diff options
Diffstat (limited to 'examples/demo/opengl')
29 files changed, 4905 insertions, 0 deletions
diff --git a/examples/demo/opengl/fbm.c b/examples/demo/opengl/fbm.c new file mode 100644 index 0000000..47d5a61 --- /dev/null +++ b/examples/demo/opengl/fbm.c @@ -0,0 +1,207 @@ +/***************************************************************** + + Implementation of the fractional Brownian motion algorithm. These + functions were originally the work of F. Kenton Musgrave. + For documentation of the different functions please refer to the + book: + "Texturing and modeling: a procedural approach" + by David S. Ebert et. al. + +******************************************************************/ + +#if defined (_MSC_VER) +#include <qglobal.h> +#endif + +#include <time.h> +#include <stdlib.h> +#include "fbm.h" + +#if defined(Q_CC_MSVC) +#pragma warning(disable:4244) +#endif + +/* Definitions used by the noise2() functions */ + +#define B 0x100 +#define BM 0xff + +#define N 0x1000 +#define NP 12 /* 2^N */ +#define NM 0xfff + +static int p[B + B + 2]; +static float g3[B + B + 2][3]; +static float g2[B + B + 2][2]; +static float g1[B + B + 2]; +static int start = 1; + +static void init(void); + +#define s_curve(t) ( t * t * (3. - 2. * t) ) + +#define lerp(t, a, b) ( a + t * (b - a) ) + +#define setup(i,b0,b1,r0,r1)\ + t = vec[i] + N;\ + b0 = ((int)t) & BM;\ + b1 = (b0+1) & BM;\ + r0 = t - (int)t;\ + r1 = r0 - 1.; +#define at3(rx,ry,rz) ( rx * q[0] + ry * q[1] + rz * q[2] ) + +static float noise3(float vec[3]); + +/* Fractional Brownian Motion function */ + +double fBm( Vector point, double H, double lacunarity, double octaves, + int init ) +{ + + double value, frequency, remainder; + int i; + static double exponent_array[10]; + float vec[3]; + + /* precompute and store spectral weights */ + if ( init ) { + start = 1; + srand( time(0) ); + /* seize required memory for exponent_array */ + frequency = 1.0; + for (i=0; i<=octaves; i++) { + /* compute weight for each frequency */ + exponent_array[i] = pow( frequency, -H ); + frequency *= lacunarity; + } + } + + value = 0.0; /* initialize vars to proper values */ + frequency = 1.0; + vec[0]=point.x; + vec[1]=point.y; + vec[2]=point.z; + + + /* inner loop of spectral construction */ + for (i=0; i<octaves; i++) { + /* value += noise3( vec ) * exponent_array[i];*/ + value += noise3( vec ) * exponent_array[i]; + vec[0] *= lacunarity; + vec[1] *= lacunarity; + vec[2] *= lacunarity; + } /* for */ + + remainder = octaves - (int)octaves; + if ( remainder ) /* add in ``octaves'' remainder */ + /* ``i'' and spatial freq. are preset in loop above */ + value += remainder * noise3( vec ) * exponent_array[i]; + + return( value ); + +} /* fBm() */ + + +float noise3(float vec[3]) +{ + int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11; + float rx0, rx1, ry0, ry1, rz0, rz1, *q, sy, sz, a, b, c, d, t, u, v; + register int i, j; + + if (start) { + start = 0; + init(); + } + + setup(0, bx0,bx1, rx0,rx1); + setup(1, by0,by1, ry0,ry1); + setup(2, bz0,bz1, rz0,rz1); + + i = p[ bx0 ]; + j = p[ bx1 ]; + + b00 = p[ i + by0 ]; + b10 = p[ j + by0 ]; + b01 = p[ i + by1 ]; + b11 = p[ j + by1 ]; + + t = s_curve(rx0); + sy = s_curve(ry0); + sz = s_curve(rz0); + + + q = g3[ b00 + bz0 ] ; u = at3(rx0,ry0,rz0); + q = g3[ b10 + bz0 ] ; v = at3(rx1,ry0,rz0); + a = lerp(t, u, v); + + q = g3[ b01 + bz0 ] ; u = at3(rx0,ry1,rz0); + q = g3[ b11 + bz0 ] ; v = at3(rx1,ry1,rz0); + b = lerp(t, u, v); + + c = lerp(sy, a, b); + + q = g3[ b00 + bz1 ] ; u = at3(rx0,ry0,rz1); + q = g3[ b10 + bz1 ] ; v = at3(rx1,ry0,rz1); + a = lerp(t, u, v); + + q = g3[ b01 + bz1 ] ; u = at3(rx0,ry1,rz1); + q = g3[ b11 + bz1 ] ; v = at3(rx1,ry1,rz1); + b = lerp(t, u, v); + + d = lerp(sy, a, b); + + return lerp(sz, c, d); +} + +static void normalize2(float v[2]) +{ + float s; + + s = sqrt(v[0] * v[0] + v[1] * v[1]); + v[0] = v[0] / s; + v[1] = v[1] / s; +} + +static void normalize3(float v[3]) +{ + float s; + + s = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); + v[0] = v[0] / s; + v[1] = v[1] / s; + v[2] = v[2] / s; +} + +static void init(void) +{ + int i, j, k; + + for (i = 0 ; i < B ; i++) { + p[i] = i; + + g1[i] = (float)((rand() % (B + B)) - B) / B; + + for (j = 0 ; j < 2 ; j++) + g2[i][j] = (float)((rand() % (B + B)) - B) / B; + normalize2(g2[i]); + + for (j = 0 ; j < 3 ; j++) + g3[i][j] = (float)((rand() % (B + B)) - B) / B; + normalize3(g3[i]); + } + + while (--i) { + k = p[i]; + p[i] = p[j = rand() % B]; + p[j] = k; + } + + for (i = 0 ; i < B + 2 ; i++) { + p[B + i] = p[i]; + g1[B + i] = g1[i]; + for (j = 0 ; j < 2 ; j++) + g2[B + i][j] = g2[i][j]; + for (j = 0 ; j < 3 ; j++) + g3[B + i][j] = g3[i][j]; + } +} diff --git a/examples/demo/opengl/fbm.h b/examples/demo/opengl/fbm.h new file mode 100644 index 0000000..474cd3c --- /dev/null +++ b/examples/demo/opengl/fbm.h @@ -0,0 +1,39 @@ +/***************************************************************** + + Prototypes for the fractional Brownian motion algorithm. These + functions were originally the work of F. Kenton Musgrave. For + documentation of the different functions please refer to the book: + "Texturing and modeling: a procedural approach" + by David S. Ebert et. al. + +******************************************************************/ + +#ifndef _fbm_h +#define _fbm_h + +#include <math.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define TRUE 1 +#define FALSE 0 + +typedef struct { + double x; + double y; + double z; +} Vector; + +double fBm( Vector point, double H, double lacunarity, double octaves, + int init ); +#endif + +#ifdef __cplusplus +} +#endif + + + + diff --git a/examples/demo/opengl/gear.xpm b/examples/demo/opengl/gear.xpm new file mode 100644 index 0000000..ccba9ec --- /dev/null +++ b/examples/demo/opengl/gear.xpm @@ -0,0 +1,304 @@ +/* XPM */ +static char *gear[] = { +/* width height num_colors chars_per_pixel */ +" 48 48 249 2", +/* colors */ +".. c #7a7a7b", +".# c #afafaf", +".a c #adadad", +".b c #727273", +".c c #a7a7a7", +".d c #a5a5a5", +".e c #9d9f9d", +".f c #9d9d9d", +".g c #9b9b9b", +".h c #656666", +".i c #9a999a", +".j c #626463", +".k c #979797", +".l c #969796", +".m c #5e5e5f", +".n c #5e5c5f", +".o 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+"#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#lbpaxbabaaxba#ibzbzbM#daS#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U", +"#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#db0b0b0#Z#wbjbg#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U", +"#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U#U" +}; diff --git a/examples/demo/opengl/glbox.cpp b/examples/demo/opengl/glbox.cpp new file mode 100644 index 0000000..6e9e686 --- /dev/null +++ b/examples/demo/opengl/glbox.cpp @@ -0,0 +1,142 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +/**************************************************************************** +** +** This is a simple QGLWidget displaying an openGL wireframe box +** +** The OpenGL code is mostly borrowed from Brian Pauls "spin" example +** in the Mesa distribution +** +****************************************************************************/ + +#include "glbox.h" + +#if defined(Q_CC_MSVC) +#pragma warning(disable:4305) // init: truncation from const double to float +#endif + +/*! + Create a GLBox widget +*/ + +GLBox::GLBox( QWidget* parent, const char* name, WFlags f ) + : GLControlWidget( parent, name, 0, f ) +{ + setAnimationDelay( -1 ); + xRot = yRot = zRot = 0.0; // default object rotation + scale = 1.25; // default object scale + object = 0; +} + + +/*! + Release allocated resources +*/ + +GLBox::~GLBox() +{ + makeCurrent(); + glDeleteLists( object, 1 ); +} + + +/*! + Paint the box. The actual openGL commands for drawing the box are + performed here. +*/ + +void GLBox::paintGL() +{ + glClear( GL_COLOR_BUFFER_BIT ); + + glLoadIdentity(); + transform(); + glCallList( object ); + drawText(); + qglColor( green ); + glLineWidth( 1.0 ); + glBegin( GL_LINES ); + { + glVertex3f( 0.0, 0.0, 0.0 ); + glVertex3f( 0.98, 0.98, 0.98 ); + } + glEnd(); + renderText( 1.0, 1.0, 1.0, "Wirebox", QFont( "helvetica", 12, QFont::Bold, TRUE ) ); +} + + +/*! + Set up the OpenGL rendering state, and define display list +*/ + +void GLBox::initializeGL() +{ + qglClearColor( black ); // Let OpenGL clear to black + object = makeObject(); // Generate an OpenGL display list + glShadeModel( GL_FLAT ); +} + + + +/*! + Set up the OpenGL view port, matrix mode, etc. +*/ + +void GLBox::resizeGL( int w, int h ) +{ + glViewport( 0, 0, (GLint)w, (GLint)h ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); + glMatrixMode( GL_MODELVIEW ); +} + + +/*! + Generate an OpenGL display list for the object to be shown, i.e. the box +*/ + +GLuint GLBox::makeObject() +{ + GLuint list; + + list = glGenLists( 1 ); + + glNewList( list, GL_COMPILE ); + + qglColor( white ); // Shorthand for glColor3f or glIndex + + glLineWidth( 2.0 ); + + glBegin( GL_LINE_LOOP ); + glVertex3f( 1.0, 0.5, -0.4 ); + glVertex3f( 1.0, -0.5, -0.4 ); + glVertex3f( -1.0, -0.5, -0.4 ); + glVertex3f( -1.0, 0.5, -0.4 ); + glEnd(); + + glBegin( GL_LINE_LOOP ); + glVertex3f( 1.0, 0.5, 0.4 ); + glVertex3f( 1.0, -0.5, 0.4 ); + glVertex3f( -1.0, -0.5, 0.4 ); + glVertex3f( -1.0, 0.5, 0.4 ); + glEnd(); + + glBegin( GL_LINES ); + glVertex3f( 1.0, 0.5, -0.4 ); glVertex3f( 1.0, 0.5, 0.4 ); + glVertex3f( 1.0, -0.5, -0.4 ); glVertex3f( 1.0, -0.5, 0.4 ); + glVertex3f( -1.0, -0.5, -0.4 ); glVertex3f( -1.0, -0.5, 0.4 ); + glVertex3f( -1.0, 0.5, -0.4 ); glVertex3f( -1.0, 0.5, 0.4 ); + glEnd(); + + glEndList(); + + return list; +} diff --git a/examples/demo/opengl/glbox.h b/examples/demo/opengl/glbox.h new file mode 100644 index 0000000..6f5089b --- /dev/null +++ b/examples/demo/opengl/glbox.h @@ -0,0 +1,43 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +/**************************************************************************** +** +** This is a simple QGLWidget displaying an openGL wireframe box +** +****************************************************************************/ + +#ifndef GLBOX_H +#define GLBOX_H + +#include "glcontrolwidget.h" + +class GLBox : public GLControlWidget +{ + Q_OBJECT + +public: + + GLBox( QWidget* parent = 0, const char* name = 0, WFlags f = 0 ); + ~GLBox(); + +protected: + + void initializeGL(); + void paintGL(); + void resizeGL( int w, int h ); + + virtual GLuint makeObject(); + +private: + GLuint object; +}; + + +#endif // GLBOX_H diff --git a/examples/demo/opengl/glcontrolwidget.cpp b/examples/demo/opengl/glcontrolwidget.cpp new file mode 100644 index 0000000..d81d328 --- /dev/null +++ b/examples/demo/opengl/glcontrolwidget.cpp @@ -0,0 +1,195 @@ +#include "glcontrolwidget.h" + +#include <qcursor.h> +#include <qtimer.h> + +#include <math.h> + +GLControlWidget::GLControlWidget( QWidget *parent, const char *name, QGLWidget *share, WFlags f ) +: QGLWidget( parent, name, share, f ), + xRot(0),yRot(0),zRot(0),xTrans(0),yTrans(0),zTrans(-10.0),scale(5.0), animation(TRUE), wasAnimated(FALSE), delay( 50 ) +{ + setCursor( pointingHandCursor ); + timer = new QTimer( this ); + connect( timer, SIGNAL(timeout()), SLOT(animate()) ); + timer->start( delay ); +} + +void GLControlWidget::transform() +{ + glTranslatef( xTrans, yTrans, zTrans ); + glScalef( scale, scale, scale ); + + glRotatef( xRot, 1.0, 0.0, 0.0 ); + glRotatef( yRot, 0.0, 1.0, 0.0 ); + glRotatef( zRot, 0.0, 0.0, 1.0 ); +} + +void GLControlWidget::drawText() +{ + glPushAttrib( GL_LIGHTING_BIT | GL_TEXTURE_BIT ); + glDisable( GL_LIGHTING ); + glDisable( GL_TEXTURE_2D ); + qglColor( white ); + QString str( "Rendering text in OpenGL is easy with Qt" ); + QFontMetrics fm( font() ); + renderText( (width() - fm.width( str )) / 2, 15, str ); + QFont f( "courier", 8 ); + QFontMetrics fmc( f ); + qglColor( QColor("skyblue") ); + int x, y, z; + x = (xRot >= 0) ? (int) xRot % 360 : 359 - (QABS((int) xRot) % 360); + y = (yRot >= 0) ? (int) yRot % 360 : 359 - (QABS((int) yRot) % 360); + z = (zRot >= 0) ? (int) zRot % 360 : 359 - (QABS((int) zRot) % 360); + str.sprintf( "Rot X: %03d - Rot Y: %03d - Rot Z: %03d", x, y, z ); + renderText( (width() - fmc.width( str )) / 2, height() - 15, str, f ); + glPopAttrib(); +} + +/*! + Set the rotation angle of the object to \e degrees around the X axis. +*/ +void GLControlWidget::setXRotation( double degrees ) +{ + xRot = (GLfloat)fmod(degrees, 360.0); + updateGL(); +} + +/*! + Set the rotation angle of the object to \e degrees around the Y axis. +*/ +void GLControlWidget::setYRotation( double degrees ) +{ + yRot = (GLfloat)fmod(degrees, 360.0); + updateGL(); +} + + +/*! + Set the rotation angle of the object to \e degrees around the Z axis. +*/ +void GLControlWidget::setZRotation( double degrees ) +{ + zRot = (GLfloat)fmod(degrees, 360.0); + updateGL(); +} + +void GLControlWidget::setScale( double s ) +{ + scale = s; + updateGL(); +} + +void GLControlWidget::setXTrans( double x ) +{ + xTrans = x; + updateGL(); +} + +void GLControlWidget::setYTrans( double y ) +{ + yTrans = y; + updateGL(); +} + +void GLControlWidget::setZTrans( double z ) +{ + zTrans = z; + updateGL(); +} + +void GLControlWidget::setRotationImpulse( double x, double y, double z ) +{ + setXRotation( xRot + 180*x ); + setYRotation( yRot + 180*y ); + setZRotation( zRot - 180*z ); +} + +void GLControlWidget::setTranslationImpulse( double x, double y, double z ) +{ + setXTrans( xTrans + 2*x ); + setYTrans( yTrans - 2*y ); + setZTrans( zTrans + 2*z ); +} + +void GLControlWidget::mousePressEvent( QMouseEvent *e ) +{ + e->accept(); + oldPos = e->pos(); +} + +void GLControlWidget::mouseReleaseEvent( QMouseEvent *e ) +{ + e->accept(); + oldPos = e->pos(); +} + +void GLControlWidget::mouseMoveEvent( QMouseEvent *e ) +{ + e->accept(); + double dx = e->x() - oldPos.x(); + double dy = e->y() - oldPos.y(); + + oldPos = e->pos(); + + double rx = dx / width(); + double ry = dy / height(); + + if ( e->state() == LeftButton ) + setRotationImpulse( ry, rx, 0 ); + else if ( e->state() == RightButton ) + setRotationImpulse( ry, 0, rx ); + else if ( e->state() == MidButton ) + setTranslationImpulse( rx, ry, 0 ); + else if ( e->state() == ( LeftButton | RightButton ) ) + setTranslationImpulse( rx, 0, ry ); +} + +void GLControlWidget::wheelEvent( QWheelEvent *e ) +{ + e->accept(); + if ( scale <= ( (double)e->delta() / 1000 ) ) + return; + setScale( scale - ( (double)e->delta() / 1000 )); +} + +void GLControlWidget::mouseDoubleClickEvent( QMouseEvent * ) +{ + if ( delay <= 0 ) + return; + + animation = !animation; + if ( animation ) + timer->start( delay ); + else + timer->stop(); +} + +void GLControlWidget::showEvent( QShowEvent *e ) +{ + if ( wasAnimated && !timer->isActive() ) + timer->start( delay ); + + QGLWidget::showEvent( e ); +} + +void GLControlWidget::hideEvent( QHideEvent *e ) +{ + wasAnimated = timer->isActive(); + timer->stop(); + QGLWidget::hideEvent( e ); +} + +void GLControlWidget::animate() +{ +} + +void GLControlWidget::setAnimationDelay( int ms ) +{ + timer->stop(); + delay = ms; + if ( animation ) { + wasAnimated = TRUE; + timer->start( delay ); + } +} diff --git a/examples/demo/opengl/glcontrolwidget.h b/examples/demo/opengl/glcontrolwidget.h new file mode 100644 index 0000000..05d026f --- /dev/null +++ b/examples/demo/opengl/glcontrolwidget.h @@ -0,0 +1,56 @@ +#ifndef GLCONTROLWIDGET_H +#define GLCONTROLWIDGET_H + +#include <qgl.h> + +class GLControlWidget : public QGLWidget +{ + Q_OBJECT + +public: + GLControlWidget( QWidget *parent, const char *name = 0, QGLWidget *share = 0, WFlags f = 0 ); + + virtual void transform(); + +public slots: + void setXRotation( double degrees ); + void setYRotation( double degrees ); + void setZRotation( double degrees ); + + void setScale( double s ); + + void setXTrans( double x ); + void setYTrans( double y ); + void setZTrans( double z ); + + virtual void setRotationImpulse( double x, double y, double z ); + virtual void setTranslationImpulse( double x, double y, double z ); + void drawText(); + +protected: + void setAnimationDelay( int ms ); + void mousePressEvent( QMouseEvent *e ); + void mouseReleaseEvent( QMouseEvent *e ); + void mouseMoveEvent( QMouseEvent * ); + void mouseDoubleClickEvent( QMouseEvent * ); + void wheelEvent( QWheelEvent * ); + + void showEvent( QShowEvent * ); + void hideEvent( QHideEvent * ); + + GLfloat xRot, yRot, zRot; + GLfloat xTrans, yTrans, zTrans; + GLfloat scale; + bool animation; + +protected slots: + virtual void animate(); + +private: + bool wasAnimated; + QPoint oldPos; + QTimer* timer; + int delay; +}; + +#endif diff --git a/examples/demo/opengl/glgear.cpp b/examples/demo/opengl/glgear.cpp new file mode 100644 index 0000000..e9b837b --- /dev/null +++ b/examples/demo/opengl/glgear.cpp @@ -0,0 +1,271 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ +// +// Draws a gear. +// +// Portions of this code have been borrowed from Brian Paul's Mesa +// distribution. +// + +#include "glgear.h" + +#include <math.h> + +#if defined(Q_CC_MSVC) +#pragma warning(disable:4305) // init: truncation from const double to float +#endif + +/* + * Draw a gear wheel. You'll probably want to call this function when + * building a display list since we do a lot of trig here. + * + * Input: inner_radius - radius of hole at center + * outer_radius - radius at center of teeth + * width - width of gear + * teeth - number of teeth + * tooth_depth - depth of tooth + */ +static void gear( GLfloat inner_radius, GLfloat outer_radius, GLfloat width, + GLint teeth, GLfloat tooth_depth ) +{ + GLint i; + GLfloat r0, r1, r2; + GLfloat angle, da; + GLfloat u, v, len; + + r0 = inner_radius; + r1 = outer_radius - tooth_depth/2.0; + r2 = outer_radius + tooth_depth/2.0; + + const double pi = 3.14159264; + da = 2.0*pi / teeth / 4.0; + + glShadeModel( GL_FLAT ); + + glNormal3f( 0.0, 0.0, 1.0 ); + + /* draw front face */ + glBegin( GL_QUAD_STRIP ); + for (i=0;i<=teeth;i++) { + angle = i * 2.0*pi / teeth; + glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 ); + glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 ); + glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 ); + glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 ); + } + glEnd(); + + /* draw front sides of teeth */ + glBegin( GL_QUADS ); + da = 2.0*pi / teeth / 4.0; + for (i=0;i<teeth;i++) { + angle = i * 2.0*pi / teeth; + + glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 ); + glVertex3f( r2*cos(angle+da), r2*sin(angle+da), width*0.5 ); + glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 ); + glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 ); + } + glEnd(); + + + glNormal3f( 0.0, 0.0, -1.0 ); + + /* draw back face */ + glBegin( GL_QUAD_STRIP ); + for (i=0;i<=teeth;i++) { + angle = i * 2.0*pi / teeth; + glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 ); + glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 ); + glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 ); + glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 ); + } + glEnd(); + + /* draw back sides of teeth */ + glBegin( GL_QUADS ); + da = 2.0*pi / teeth / 4.0; + for (i=0;i<teeth;i++) { + angle = i * 2.0*pi / teeth; + + glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 ); + glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 ); + glVertex3f( r2*cos(angle+da), r2*sin(angle+da), -width*0.5 ); + glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 ); + } + glEnd(); + + + /* draw outward faces of teeth */ + glBegin( GL_QUAD_STRIP ); + for (i=0;i<teeth;i++) { + angle = i * 2.0*pi / teeth; + + glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 ); + glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 ); + u = r2*cos(angle+da) - r1*cos(angle); + v = r2*sin(angle+da) - r1*sin(angle); + len = sqrt( u*u + v*v ); + u /= len; + v /= len; + glNormal3f( v, -u, 0.0 ); + glVertex3f( r2*cos(angle+da), r2*sin(angle+da), width*0.5 ); + glVertex3f( r2*cos(angle+da), r2*sin(angle+da), -width*0.5 ); + glNormal3f( cos(angle), sin(angle), 0.0 ); + glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 ); + glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 ); + u = r1*cos(angle+3*da) - r2*cos(angle+2*da); + v = r1*sin(angle+3*da) - r2*sin(angle+2*da); + glNormal3f( v, -u, 0.0 ); + glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 ); + glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 ); + glNormal3f( cos(angle), sin(angle), 0.0 ); + } + + glVertex3f( r1*cos(0.0), r1*sin(0.0), width*0.5 ); + glVertex3f( r1*cos(0.0), r1*sin(0.0), -width*0.5 ); + + glEnd(); + + + glShadeModel( GL_SMOOTH ); + + /* draw inside radius cylinder */ + glBegin( GL_QUAD_STRIP ); + for (i=0;i<=teeth;i++) { + angle = i * 2.0*pi / teeth; + glNormal3f( -cos(angle), -sin(angle), 0.0 ); + glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 ); + glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 ); + } + glEnd(); + +} + +void GLGear::draw() +{ + glPushMatrix(); + glRotatef( view_rotx, 1.0, 0.0, 0.0 ); + glRotatef( view_roty, 0.0, 1.0, 0.0 ); + glRotatef( view_rotz, 0.0, 0.0, 1.0 ); + + glPushMatrix(); + glTranslatef( -3.0, -2.0, 0.0 ); + glRotatef( angle, 0.0, 0.0, 1.0 ); + glCallList(gear1); + glPopMatrix(); + + glPushMatrix(); + glTranslatef( 3.1, -2.0, 0.0 ); + glRotatef( -2.0*angle-9.0, 0.0, 0.0, 1.0 ); + glCallList(gear2); + glPopMatrix(); + + glPushMatrix(); + glTranslatef( -3.1, 2.2, -1.8 ); + glRotatef( 90.0, 1.0, 0.0, 0.0 ); + glRotatef( 2.0*angle-2.0, 0.0, 0.0, 1.0 ); + glCallList(gear3); + glPopMatrix(); + + glPopMatrix(); +} + +GLGear::GLGear( QWidget *parent, const char *name, WFlags f ) + : GLControlWidget( parent, name, 0, f ) +{ + scale = 1.0; + setAnimationDelay( 15 ); + view_rotx = 20.0; + view_roty = 30.0; + view_rotz = 0.0; + angle = 0.0; +} + +void GLGear::initializeGL() +{ + static GLfloat pos[4] = {5.0, 5.0, 10.0, 1.0 }; + static GLfloat ared[4] = {0.8, 0.1, 0.0, 1.0 }; + static GLfloat agreen[4] = {0.0, 0.8, 0.2, 1.0 }; + static GLfloat ablue[4] = {0.2, 0.2, 1.0, 1.0 }; + + glLightfv( GL_LIGHT0, GL_POSITION, pos ); + glEnable( GL_CULL_FACE ); + glEnable( GL_LIGHTING ); + glEnable( GL_LIGHT0 ); + glEnable( GL_DEPTH_TEST ); + + /* make the gears */ + gear1 = glGenLists(1); + glNewList(gear1, GL_COMPILE); + glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, ared ); + gear( 1.0, 4.0, 1.0, 20, 0.7 ); + glEndList(); + + gear2 = glGenLists(1); + glNewList(gear2, GL_COMPILE); + glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, agreen ); + gear( 0.5, 2.0, 2.0, 10, 0.7 ); + glEndList(); + + gear3 = glGenLists(1); + glNewList(gear3, GL_COMPILE); + glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, ablue ); + gear( 1.3, 2.0, 0.5, 10, 0.7 ); + glEndList(); + + glEnable( GL_NORMALIZE ); +} + + +void GLGear::resizeGL( int width, int height ) +{ + GLfloat w = (float) width / (float) height; + GLfloat h = 1.0; + + glViewport( 0, 0, width, height ); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum( -w, w, -h, h, 5.0, 60.0 ); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glTranslatef( 0.0, 0.0, -40.0 ); +} + + +void GLGear::paintGL() +{ + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + glPushMatrix(); + transform(); + draw(); + drawText(); + + glPushAttrib( GL_LIGHTING_BIT | GL_TEXTURE_BIT ); + glDisable( GL_LIGHTING ); + glDisable( GL_TEXTURE_2D ); + qglColor( green ); + glLineWidth( 1.0 ); + glBegin( GL_LINES ); + { + glVertex3f( 0.0, 0.0, 0.0 ); + glVertex3f( 2.98, 2.98, 2.98 ); + } + glEnd(); + renderText( 3.0, 3.0, 3.0, "Gears", QFont( "helvetica", 12, QFont::Bold, TRUE ) ); + glPopMatrix(); + glPopAttrib(); +} + +void GLGear::animate() +{ + angle += 2.0; + view_roty += 1.0; + updateGL(); +} diff --git a/examples/demo/opengl/glgear.h b/examples/demo/opengl/glgear.h new file mode 100644 index 0000000..e728765 --- /dev/null +++ b/examples/demo/opengl/glgear.h @@ -0,0 +1,26 @@ +#ifndef GLGEAR_H +#define GLGEAR_H + +#include "glcontrolwidget.h" + +class GLGear : public GLControlWidget +{ + Q_OBJECT + +public: + GLGear( QWidget *parent = 0, const char *name = 0, WFlags f = 0 ); + +protected: + void draw(); + void animate(); + void initializeGL(); + void resizeGL( int, int ); + void paintGL(); + +private: + GLfloat view_rotx, view_roty, view_rotz; + GLint gear1, gear2, gear3; + GLfloat angle; +}; + +#endif // GLGEAR_H diff --git a/examples/demo/opengl/glinfo.h b/examples/demo/opengl/glinfo.h new file mode 100644 index 0000000..1e1d1dd --- /dev/null +++ b/examples/demo/opengl/glinfo.h @@ -0,0 +1,26 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef GLINFO_H +#define GLINFO_H + +#include <qstring.h> + +class GLInfo +{ +public: + GLInfo(); + QString info();//extensions(); +/* QString configs(); */ + +protected: + QString infotext; +/* QString config; */ +}; +#endif diff --git a/examples/demo/opengl/glinfo_x11.cpp b/examples/demo/opengl/glinfo_x11.cpp new file mode 100644 index 0000000..1137ef9 --- /dev/null +++ b/examples/demo/opengl/glinfo_x11.cpp @@ -0,0 +1,257 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#define QT_CLEAN_NAMESPACE // avoid clashes with Xmd.h + +#include <qstringlist.h> +#include <qgl.h> +#include "glinfo.h" + +#include <GL/glx.h> +#include <GL/gl.h> +#include <GL/glu.h> + +#ifndef GLX_NONE_EXT +#define GLX_NONE_EXT 0x8000 +#endif + +typedef struct visualAttribs { + /* X visual attribs */ + int id; + int c_class; + int depth; + int redMask, greenMask, blueMask; + int colormapSize; + int bitsPerRGB; + /* GL visual attribs */ + int supportsGL; + int transparent; + int bufferSize; + int level; + int rgba; + int doubleBuffer; + int stereo; + int auxBuffers; + int redSize, greenSize, blueSize, alphaSize; + int depthSize; + int stencilSize; + int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize; + int numSamples, numMultisample; + int visualCaveat; +} VisualAttribs; + +static void screenInfo( Display *dpy, int scrnum, QString &infotext ) +{ + const char *serverVendor = glXQueryServerString( dpy, scrnum, GLX_VENDOR ); + const char *serverVersion = glXQueryServerString( dpy, scrnum, GLX_VERSION ); + const char *serverExtensions = glXQueryServerString( dpy, scrnum, GLX_EXTENSIONS ); + const char *clientVendor = glXGetClientString( dpy, GLX_VENDOR ); + const char *clientVersion = glXGetClientString( dpy, GLX_VERSION ); + const char *clientExtensions = glXGetClientString( dpy, GLX_EXTENSIONS ); + const char *glxExtensions = glXQueryExtensionsString( dpy, scrnum ); + const char *glVendor = (const char *) glGetString( GL_VENDOR ); + const char *glRenderer = (const char *) glGetString( GL_RENDERER ); + const char *glVersion = (const char *) glGetString( GL_VERSION ); + const char *glExtensions = (const char *) glGetString( GL_EXTENSIONS ); + const char *gluVersion = (const char *) gluGetString( (GLenum) GLU_VERSION ); + const char *gluExtensions = (const char *) gluGetString( (GLenum) GLU_EXTENSIONS ); + + infotext.sprintf( "%sServer GLX vendor string: %s\n", infotext.ascii(), serverVendor ); + infotext.sprintf( "%sServer GLX version string: %s\n", infotext.ascii(), serverVersion ); + infotext.sprintf( "%sServer GLX extensions:\n", infotext.ascii() ); + + infotext += QString( serverExtensions ).replace( ' ', '\n' ) + "\n\n"; + + infotext.sprintf( "%sClient GLX vendor string: %s\n", infotext.ascii(), clientVendor ); + infotext.sprintf( "%sClient GLX version string: %s\n", infotext.ascii(), clientVersion ); + infotext.sprintf( "%sClient GLX extensions:\n", infotext.ascii() ); + + infotext += QString( clientExtensions ).replace( ' ', '\n' ) + "\n\n"; + + infotext.sprintf( "%sGLX extensions:\n", infotext.ascii() ); + + infotext += QString( glxExtensions ).replace( ' ', '\n' ) + "\n\n"; + + infotext.sprintf( "%sOpenGL vendor string: %s\n", infotext.ascii(), glVendor ); + infotext.sprintf( "%sOpenGL renderer string: %s\n", infotext.ascii(), glRenderer ); + infotext.sprintf( "%sOpenGL version string: %s\n", infotext.ascii(), glVersion ); + infotext.sprintf( "%sOpenGL extensions:\n", infotext.ascii() ); + + infotext += QString( glExtensions ).replace( ' ', '\n' ) + "\n\n"; + + infotext.sprintf( "%sGLU version: %s\n", infotext.ascii(), gluVersion ); + infotext.sprintf( "%sGLU extensions:\n", infotext.ascii() ); + + infotext += QString( gluExtensions ).replace( ' ', '\n' ) + "\n\n"; +} + +static const char * visualClassName( int cls ) +{ + switch ( cls ) { + case StaticColor: + return "StaticColor"; + case PseudoColor: + return "PseudoColor"; + case StaticGray: + return "StaticGray"; + case GrayScale: + return "GrayScale"; + case TrueColor: + return "TrueColor"; + case DirectColor: + return "DirectColor"; + default: + return ""; + } +} + +static const char * caveatString( int caveat ) +{ + switch ( caveat ) { +#if defined(GLX_EXT_visual_rating) + case GLX_NONE_EXT: + return "None"; + case GLX_SLOW_VISUAL_EXT: + return "Slow"; + case GLX_NON_CONFORMANT_VISUAL_EXT: + return "Nonconformant"; +#endif + default: + return "<none>"; + } +} + +static void visualAttribs( Display * dpy, XVisualInfo * vi, VisualAttribs * attribs ) +{ + memset( attribs, 0, sizeof( VisualAttribs ) ); + + attribs->id = vi->visualid; + attribs->c_class = vi->c_class; + attribs->depth = vi->depth; + attribs->redMask = vi->red_mask; + attribs->greenMask = vi->green_mask; + attribs->blueMask = vi->blue_mask; + attribs->colormapSize = vi->colormap_size; + attribs->bitsPerRGB = vi->bits_per_rgb; + + if ( glXGetConfig( dpy, vi, GLX_USE_GL, &attribs->supportsGL ) != 0 ) + return; + attribs->accumAlphaSize = 0; + glXGetConfig( dpy, vi, GLX_BUFFER_SIZE, &attribs->bufferSize ); + glXGetConfig( dpy, vi, GLX_LEVEL, &attribs->level ); + glXGetConfig( dpy, vi, GLX_RGBA, &attribs->rgba ); + glXGetConfig( dpy, vi, GLX_DOUBLEBUFFER, &attribs->doubleBuffer ); + glXGetConfig( dpy, vi, GLX_STEREO, &attribs->stereo ); + glXGetConfig( dpy, vi, GLX_AUX_BUFFERS, &attribs->auxBuffers ); + glXGetConfig( dpy, vi, GLX_RED_SIZE, &attribs->redSize ); + glXGetConfig( dpy, vi, GLX_GREEN_SIZE, &attribs->greenSize ); + glXGetConfig( dpy, vi, GLX_BLUE_SIZE, &attribs->blueSize ); + glXGetConfig( dpy, vi, GLX_ALPHA_SIZE, &attribs->alphaSize ); + glXGetConfig( dpy, vi, GLX_DEPTH_SIZE, &attribs->depthSize ); + glXGetConfig( dpy, vi, GLX_STENCIL_SIZE, &attribs->stencilSize ); + glXGetConfig( dpy, vi, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize ); + glXGetConfig( dpy, vi, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize ); + glXGetConfig( dpy, vi, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize ); + glXGetConfig( dpy, vi, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize ); + + attribs->transparent = 0; // transparent pixel missing + attribs->numSamples = 0; // multisample tests missing + attribs->numMultisample = 0; + +#if defined(GLX_EXT_visual_rating) + const char *ext = glXQueryExtensionsString( dpy, vi->screen ); + if ( ext && strstr( ext, "GLX_EXT_visual_rating" ) ) + glXGetConfig(dpy, vi, GLX_VISUAL_CAVEAT_EXT, &attribs->visualCaveat); + else + attribs->visualCaveat = GLX_NONE_EXT; +#else + attribs->visualCaveat = 0; +#endif +} + +static void visualInfo( Display *dpy, int scrnum, QString &configs ) +{ + QString str; + XVisualInfo *visuals, temp; + int numVisuals; + long mask; + int i; + + /* get list of all visuals on this screen */ + temp.screen = scrnum; + mask = VisualScreenMask; + visuals = XGetVisualInfo( dpy, mask, &temp, &numVisuals ); + + VisualAttribs attribs; + configs.append( "Vis Vis Visual Trans buff lev render DB ste r g b a aux dep ste accum buffers MS MS\n" + " ID Depth Type parent size el type reo sz sz sz sz buf th ncl r g b a num bufs Caveat\n" + "-----------------------------------------------------------------------------------------------------------\n" ); + for ( i = 0; i < numVisuals; i++ ) { + visualAttribs( dpy, &visuals[i], &attribs ); + str.sprintf( "0x%2x %2d %-12s %d %2d %d %-4s %d %d %d %d %d %d" + " %d %2d %d %2d %2d %2d %2d %d %d %s\n", + attribs.id, + attribs.depth, + visualClassName( attribs.c_class ), + attribs.transparent, + attribs.bufferSize, + attribs.level, + attribs.rgba ? "rgba" : "ci", + attribs.doubleBuffer, + attribs.stereo, + attribs.redSize, + attribs.greenSize, + attribs.blueSize, + attribs.alphaSize, + attribs.auxBuffers, + attribs.depthSize, + attribs.stencilSize, + attribs.accumRedSize, + attribs.accumGreenSize, + attribs.accumBlueSize, + attribs.accumAlphaSize, + attribs.numSamples, + attribs.numMultisample, + caveatString( attribs.visualCaveat ) ); + configs.append( str ); + } + + + XFree( visuals ); +} + +GLInfo::GLInfo() +{ + QGLWidget gl((QWidget *) 0); + gl.makeCurrent(); + Display *dpy; + char *displayName = 0; + int numScreens, scrNum; + + dpy = gl.x11Display(); + if ( !dpy ) { + qWarning( "Error: unable to open display %s\n", displayName ); + } + + numScreens = ScreenCount( dpy ); + infotext.sprintf( "Display name: %s\nDirect rendering: %s\n", DisplayString( dpy ), + gl.format().directRendering() ? "Yes" : "No" ); + + for ( scrNum = 0; scrNum < numScreens; scrNum++ ) { + screenInfo( dpy, scrNum, infotext ); + visualInfo( dpy, scrNum, infotext ); + if ( scrNum + 1 < numScreens ) + infotext.append( "\n\n" ); + } +} + +QString GLInfo::info() +{ + return infotext; +} diff --git a/examples/demo/opengl/glinfotext.h b/examples/demo/opengl/glinfotext.h new file mode 100644 index 0000000..7d7b656 --- /dev/null +++ b/examples/demo/opengl/glinfotext.h @@ -0,0 +1,23 @@ +#include <qlayout.h> +#include <qtextview.h> +#include <qfont.h> +#include "glinfo.h" + +class GLInfoText : public QWidget +{ +public: + GLInfoText(QWidget *parent) + : QWidget(parent) + { + view = new QTextView(this); + view->setFont(QFont("courier", 10)); + view->setWordWrap(QTextEdit::NoWrap); + QHBoxLayout *l = new QHBoxLayout(this); + l->addWidget(view); + GLInfo info; + view->setText(info.info()); + } + +private: + QTextView *view; +}; diff --git a/examples/demo/opengl/gllandscape.cpp b/examples/demo/opengl/gllandscape.cpp new file mode 100644 index 0000000..e11c8c9 --- /dev/null +++ b/examples/demo/opengl/gllandscape.cpp @@ -0,0 +1,880 @@ +#include <qimage.h> +#include "gllandscape.h" + + +#include <math.h> + +#include "fbm.h" + +#ifndef PI +#define PI 3.14159 +#endif + +#if defined(Q_CC_MSVC) +#pragma warning(disable:4305) // init: truncation from const double to float +#pragma warning(disable:4244) // init: truncation from const double to float +#endif + +GLLandscape::GLLandscape( QWidget * parent, const char * name ) + : QGLWidget( parent, name ) +{ + mouseButtonDown = FALSE; + animationRunning = FALSE; + oldX = oldY = oldZ = 0.0; + landscape = 0; + vertexNormals = 0; + normals = 0; + wave = 0; + wt = 0; + cubeRot = 0; + createGrid( 50 ); + setWireframe( 0 ); +} + +GLLandscape::~GLLandscape() +{ + destroyGrid(); +} + +void GLLandscape::initializeGL() +{ + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + glGetFloatv( GL_MODELVIEW_MATRIX,(GLfloat *) views[AxisView].model ); + + glTranslatef( 0.0, 0.0, -50.0 ); + glRotatef( -45, 1, 0, 0 ); + glRotatef( -45, 0, 0, 1 ); + glGetFloatv( GL_MODELVIEW_MATRIX,(GLfloat *) views[CurrentView].model ); + glGetFloatv( GL_MODELVIEW_MATRIX,(GLfloat *) views[DefaultView].model ); + + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + /* Use GL utility library function to obtain desired view */ + gluPerspective( 60, 1, 1, 250 ); + glGetFloatv( GL_PROJECTION_MATRIX, (GLfloat *)views[CurrentView].projection ); + glGetFloatv( GL_PROJECTION_MATRIX, (GLfloat *)views[DefaultView].projection ); + + qglClearColor( black ); + glDepthFunc( GL_LESS ); + calculateVertexNormals(); + + QImage tex; + tex.load("opengl/qtlogo.png"); + tex = QGLWidget::convertToGLFormat(tex); // flipped 32bit RGBA + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); + glTexImage2D(GL_TEXTURE_2D, 0, 3, tex.width(), tex.height(), 0, + GL_RGBA, GL_UNSIGNED_BYTE, tex.bits()); + initDisplayLists(); +} + +void GLLandscape::resizeGL( int width, int height ) +{ + glViewport( 0, 0, width, height ); +} + +void GLLandscape::paintGL() +{ + QString str; + GLboolean lighting; + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + switch ( mode ) { + case Wireframe: + drawWireframe(); + str = tr( "Wireframe" ); + break; + case Filled: + drawFilled(); + str = tr( "Flat shaded" ); + break; + case SmoothShaded: + str = tr( "Smooth shaded" ); + drawSmoothShaded(); + break; + case Landscape: + drawSmoothShaded(); + str = tr( "Landscape" ); + break; + } + glGetBooleanv( GL_LIGHTING, &lighting ); + if ( lighting ) + glDisable( GL_LIGHTING ); + qglColor( white ); + renderText(15, height() - 15, str); + drawAxis(); + drawCube(); + if ( lighting ) + glEnable( GL_LIGHTING ); +} + +void GLLandscape::drawAxis() +{ + glPushAttrib(GL_ALL_ATTRIB_BITS); + glViewport(15, 20, 50, 50); + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glLoadIdentity(); + glOrtho(-1.1, 1.1, -1.1, 1.1, 0.1, 10); + glTranslatef(0, 0, -1.2); + glRotatef(-45, 1, 0, 0); + glRotatef(-45, 0, 0, 1); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadMatrixf((GLfloat *) views[AxisView].model); + + glCallList(axisList); + qglColor(white); + renderText(1.1f, 0, 0, "x"); + renderText(0, 1.1f, 0, "y"); + renderText(0, 0, 1.1f, "z"); + + glPopMatrix(); + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + glPopAttrib(); +} + +void GLLandscape::drawCube() +{ + glPushAttrib(GL_ALL_ATTRIB_BITS); + glViewport(width()-75, 0, 75, 75); + glMatrixMode( GL_PROJECTION ); + glPushMatrix(); + glLoadIdentity(); + glOrtho(-1.1, 1.1, -1.1, 1.1, 0.1, 10); + glTranslatef(0, 0, -1.2); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); + glRotatef(cubeRot, 1, 0, 0); + glRotatef(cubeRot, 0, 1, 0); + glRotatef(cubeRot, 0, 0, 1); + glTranslatef(-0.5, -0.5, -0.5); + + glCallList(cubeList); + + glPopMatrix(); + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + glPopAttrib(); +} + +void GLLandscape::drawWireframe() +{ + qglColor( white ); + glBegin( GL_LINES ); + { + for ( int y = 0; y < (gridSize-1); y++ ) + for ( int x = 0; x < (gridSize-1); x++) { + glVertex3f( x-gridHalf, y-gridHalf, landscape[x][y] ); + glVertex3f( x+1-gridHalf, y-gridHalf, landscape[x+1][y] ); + glVertex3f( x-gridHalf, y-gridHalf, landscape[x][y] ); + glVertex3f( x+1-gridHalf, y+1-gridHalf, landscape[x+1][y+1] ); + + glVertex3f( x-gridHalf, y-gridHalf, landscape[x][y] ); + glVertex3f( x-gridHalf, y+1-gridHalf, landscape[x][y+1] ); + } + } + glEnd(); + glBegin( GL_LINE_STRIP ); + { + for ( int x = 0; x < gridSize; x++ ) { + glVertex3f( x-gridHalf, gridHalf-1, landscape[x][gridSize-1] ); + } + } + glEnd(); + glBegin( GL_LINE_STRIP ); + { + for ( int y = 0; y < gridSize; y++ ) { + glVertex3f( gridHalf-1, y-gridHalf, landscape[gridSize-1][y] ); + } + } + glEnd(); +} + +void GLLandscape::drawFilled() +{ + for ( int y = 0; y < gridSize-1; y++ ) + for ( int x = 0; x < gridSize-1; x++ ) { + qglColor( red ); + glBegin( GL_TRIANGLE_STRIP ); + { + glVertex3f(x-gridHalf,y-gridHalf, landscape[x][y]); + glVertex3f(x+1-gridHalf,y-gridHalf, landscape[x+1][y]); + glVertex3f(x-gridHalf,y+1-gridHalf, landscape[x][y+1]); + } + glEnd(); + qglColor( white ); + glBegin( GL_TRIANGLE_STRIP ); + { + glVertex3f(x+1-gridHalf,y-gridHalf, landscape[x+1][y]); + glVertex3f(x+1-gridHalf,y+1-gridHalf, landscape[x+1][y+1]); + glVertex3f(x-gridHalf,y+1-gridHalf, landscape[x][y+1]); + } + glEnd(); + } +} + +void GLLandscape::drawSmoothShaded() +{ + if ( mode == SmoothShaded ) { + GLfloat materialAmbient[] = { 0.00, 0.00, 1.0, 0.0 }; + GLfloat materialShininess[] = { 128.0 }; + GLfloat materialSpecular[] = { 1.0, 1.0, 1.0, 0.0 }; + + glMaterialfv( GL_FRONT, GL_SPECULAR, materialSpecular ); + glMaterialfv( GL_FRONT, GL_AMBIENT, materialAmbient ); + glMaterialfv( GL_FRONT, GL_SHININESS, materialShininess ); + } else { + GLfloat materialAmbient[] = { 0.20, 0.33, 0.20, 0.0 }; + GLfloat materialShininess[] = { 1.0 }; + GLfloat materialSpecular[] = { 0.1, 0.1, 0.1, 0.1 }; + + glMaterialfv( GL_FRONT, GL_SPECULAR, materialSpecular ); + glMaterialfv( GL_FRONT, GL_AMBIENT, materialAmbient ); + glMaterialfv( GL_FRONT, GL_SHININESS, materialShininess ); + } + + for ( int y = 0; y < gridSize-1; y++ ) + for ( int x = 0; x < gridSize-1; x++ ) { + glBegin( GL_POLYGON ); + { + glNormal3dv(vertexNormals[x][y].n); + glVertex3f(x-gridHalf,y-gridHalf,landscape[x][y]); + + glNormal3dv(vertexNormals[x+1][y].n); + glVertex3f(x+1-gridHalf, y-gridHalf, landscape[x+1][y]); + + glNormal3dv(vertexNormals[x+1][y+1].n); + glVertex3f(x+1-gridHalf, y+1-gridHalf, landscape[x+1][y+1]); + } + glEnd(); + + glBegin( GL_POLYGON ); + { + glNormal3dv(vertexNormals[x][y].n); + glVertex3f(x-gridHalf,y-gridHalf, landscape[x][y]); + + glNormal3dv(vertexNormals[x+1][y+1].n); + glVertex3f(x+1-gridHalf,y+1-gridHalf, landscape[x+1][y+1]); + + glNormal3dv(vertexNormals[x][y+1].n); + glVertex3f(x-gridHalf,y+1-gridHalf, landscape[x][y+1]); + } + glEnd(); + } + + // Draw water + if ( mode == Landscape ) { + GLfloat materialAmbient[] = { 0.00, 0.00, 1.0, 0.0 }; + GLfloat materialShininess[] = { 128.0 }; + GLfloat materialSpecular[] = { 1.0, 1.0, 1.0, 0.0 }; + + glMaterialfv( GL_FRONT, GL_SPECULAR, materialSpecular ); + glMaterialfv( GL_FRONT, GL_AMBIENT, materialAmbient ); + glMaterialfv( GL_FRONT, GL_SHININESS, materialShininess ); + + glEnable( GL_BLEND ); + glBegin( GL_POLYGON ); + { + glNormal3f( 0, 0, 1 ); + glVertex3f( -gridHalf, -gridHalf, .2 ); + glNormal3f( 0, 0, 1 ); + glVertex3f( -gridHalf, gridHalf, .2 ); + glNormal3f( 0, 0, 1 ); + glVertex3f( gridHalf, gridHalf, .2 ); + glNormal3f( 0, 0, 1 ); + glVertex3f( gridHalf, -gridHalf, .2 ); + + } + glEnd(); + glDisable( GL_BLEND ); + } +} + +void GLLandscape::setGridSize( int size ) +{ + destroyGrid(); // destroy old grid + createGrid( size ); // create new grid + initializeGL(); + updateGL(); +} + +void GLLandscape::createGrid( int size ) +{ + if ( (size % 2) != 0 ) + size++; + gridSize = size; + gridHalf = gridSize / 2; + initFractals = TRUE; + landscape = new double*[gridSize]; + normals = new gridNormals*[gridSize]; + vertexNormals = new avgNormals*[gridSize]; + wt = new double*[gridSize]; + wave = new double*[gridSize]; + for ( int i = 0; i < gridSize; i++ ) { + landscape[i] = new double[gridSize]; + normals[i] = new gridNormals[gridSize]; + vertexNormals[i] = new avgNormals[gridSize]; + wt[i] = new double[gridSize]; + wave[i] = new double[gridSize]; + + memset( landscape[i], 0, gridSize*sizeof(double) ); + memset( normals[i], 0, gridSize*sizeof(gridNormals) ); + memset( vertexNormals[i], 0, gridSize*sizeof(avgNormals) ); + memset( wt[i], 0, gridSize*sizeof(double) ); + memset( wave[i], 0, gridSize*sizeof(double) ); + } +} + +void GLLandscape::destroyGrid() +{ + if ( landscape != NULL ) { + for( int i = 0; i < gridSize; i++ ) { + delete[] landscape[i]; + delete[] normals[i]; + delete[] vertexNormals[i]; + delete[] wt[i]; + delete[] wave[i]; + } + delete[] landscape; + delete[] normals; + delete[] vertexNormals; + delete[] wt; + delete[] wave; + } + landscape = 0; +} + +void GLLandscape::rotate( GLfloat deg, Axis axis ) +{ + makeCurrent(); + glMatrixMode( GL_MODELVIEW ); + for ( int i = DefaultView; i <= AxisView; i++ ) { + glLoadMatrixf((GLfloat *) views[i].model); + if ( axis == XAxis ) + glRotatef( deg, 1, 0, 0 ); + else if ( axis == YAxis ) + glRotatef( deg, 0, 1, 0 ); + else + glRotatef( deg, 0, 0, 1 ); + glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *) views[i].model); + } + glLoadMatrixf((GLfloat *) views[CurrentView].model); +} + +void GLLandscape::rotateX( int deg ) +{ + static int oldDeg = 0; + + rotate( deg-oldDeg, XAxis ); + oldDeg = deg; + updateGL(); +} + +void GLLandscape::rotateY( int deg ) +{ + static int oldDeg = 0; + + rotate( deg-oldDeg, YAxis ); + oldDeg = deg; + updateGL(); +} + +void GLLandscape::rotateZ( int deg ) +{ + static int oldDeg = 0; + + rotate( deg-oldDeg, ZAxis ); + oldDeg = deg; + updateGL(); +} + +void GLLandscape::zoom( int z ) +{ + float zoom; + if ( z < 100 ) { + zoom = 1 + 4.99 - (z*5.0 / 100.0); + } else { + z = 200 - z; + zoom = z / 100.0; + } + makeCurrent(); + glMatrixMode( GL_MODELVIEW ); + // Always scale the original model matrix + glLoadMatrixf((GLfloat *) views[DefaultView].model); + glScalef( zoom, zoom, zoom ); + glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *) views[CurrentView].model); + updateGL(); +} + +void GLLandscape::resetGrid() +{ + setGridSize( gridSize ); +} + +void GLLandscape::fractalize() +{ + Vector p; + double value; + double roughness = 0.5; + int frequency = 50; + + p.x = p.y = p.z = 0; + // Initialise fbm routine + if ( initFractals ) { + initFractals = FALSE; + value = fBm( p, roughness, 2.0, 8.0, 1 ); + } + + // Fractalize grid + for ( int x = 0; x < gridSize; x++ ) { + for ( int y = 0; y < gridSize; y++ ) { + p.x = (double) x / (101 - frequency); + p.y = (double) y / (101 - frequency); + p.z = (double) landscape[x][y] / (101 - frequency); + value = fBm(p, roughness, 2.0, 8.0, 0); + landscape[x][y] += value; + } + } + calculateVertexNormals(); + updateGL(); +} + + +// +// Calculate the vector cross product of v and w, store result in n. +// +static void crossProduct( double v[3], double w[3], double n[3] ) +{ + n[0] = v[1]*w[2]-w[1]*v[2]; + n[1] = w[0]*v[2]-v[0]*w[2]; + n[2] = v[0]*w[1]-w[0]*v[1]; +} + +void GLLandscape::calculateVertexNormals() +{ + double len, v[3], v2[3], w[3], w2[3], n[3], n2[3]; + + // Calculate the surface normals for all polygons in the + // height field + for ( int i = 0; i < (gridSize-1); i++ ) + for ( int k = 0; k < (gridSize-1); k++ ) { + /* Lower poly normal */ + v[0] = 1; // (i+1)-i + v[1] = 0; // k-k + v[2] = landscape[i+1][k]-landscape[i][k]; + w[0] = 1; // (i+1)-i + w[1] = 1; // (k+1)-k + w[2] = landscape[i+1][k+1]-landscape[i][k]; + crossProduct( v, w, n ); + len = sqrt(n[0]*n[0]+n[1]*n[1]+n[2]*n[2]); + normals[i][k].l[0] = n[0]/len; + normals[i][k].l[1] = n[1]/len; + normals[i][k].l[2] = n[2]/len; + + /* Upper poly normal */ + v2[0] = -1.0; // i-(i+1); + v2[1] = 0.0; // (k+1)-(k+1); + v2[2] = landscape[i][k+1]-landscape[i+1][k+1]; + w2[0] = -1.0; // i-(i+1); + w2[1] = -1.0; // k-(k+1); + w2[2] = landscape[i][k]-landscape[i+1][k+1]; + crossProduct( v2, w2, n2 ); + len = sqrt(n2[0]*n2[0]+n2[1]*n2[1]+n2[2]*n2[2]); + normals[i][k].u[0] = n2[0]/len; + normals[i][k].u[1] = n2[1]/len; + normals[i][k].u[2] = n2[2]/len; + } + + // Calculate proper vertex normals + averageNormals(); +} + +void GLLandscape::averageNormals() +{ + // Calculate the average surface normal for a vertex based on + // the normals of the surrounding polygons + for ( int i = 0; i < gridSize; i++ ) + for ( int k = 0; k < gridSize; k++ ) { + if ( i > 0 && k > 0 && i < (gridSize-1) && k < (gridSize-1) ) { + // For vertices that are *not* on the edge of the height field + for ( int t = 0; t < 3; t++ ) // X, Y and Z components + vertexNormals[i][k].n[t] = ( normals[i][k].u[t] + + normals[i][k].l[t] + + normals[i][k-1].u[t] + + normals[i-1][k-1].u[t] + + normals[i-1][k-1].l[t] + + normals[i-1][k].l[t] )/6.0; + } else { + // Vertices that are on the edge of the height field require + // special attention.. + if ( i == 0 && k == 0 ) { + for ( int t = 0; t < 3; t++ ) + vertexNormals[i][k].n[t] = ( normals[i][k].u[t] + + normals[i][k].l[t] )/2.0; + } else if ( i == gridSize-1 && k == gridSize-1 ) { + for ( int t = 0; t < 3; t++ ) + vertexNormals[i][k].n[t] = ( normals[i][k].u[t] + + normals[i][k].l[t] )/2.0; + } else if ( i == gridSize-1) { + for ( int t = 0; t < 3; t++ ) + vertexNormals[i][k].n[t] = vertexNormals[i-1][k].n[t]; + } else if ( k == gridSize-1 ) { + for ( int t = 0; t < 3; t++ ) + vertexNormals[i][k].n[t] = vertexNormals[i][k-1].n[t]; + } else if ( k > 0 ) { + for ( int t = 0; t < 3; t++ ) + vertexNormals[i][k].n[t] = (normals[i][k].u[t] + + normals[i][k].l[t] + + normals[i][k-1].u[t])/3.0; + } else if ( i > 0 ) { + for ( int t = 0; t < 3; t++ ) + vertexNormals[i][k].n[t] = (normals[i][k].u[t] + + normals[i][k].l[t] + + normals[i-1][k].l[t])/3.0; + } + } + } +} + +void GLLandscape::setWireframe( int state ) +{ + if ( state != 1 ) { + // Enable line antialiasing + makeCurrent(); + glEnable( GL_LINE_SMOOTH ); + glEnable( GL_BLEND ); + glDisable( GL_DEPTH_TEST ); + glDisable( GL_LIGHTING ); + glDisable( GL_NORMALIZE ); + + glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); + glHint( GL_LINE_SMOOTH_HINT, GL_DONT_CARE ); + + mode = Wireframe; + updateGL(); + } +} + +void GLLandscape::setFilled( int state ) +{ + if ( state != 1 ) { + makeCurrent(); + glEnable( GL_DEPTH_TEST ); + glDisable( GL_LINE_SMOOTH ); + glDisable( GL_BLEND ); + glDisable( GL_LIGHTING ); + glDisable( GL_NORMALIZE ); + + mode = Filled; + updateGL(); + } +} + +void GLLandscape::setSmoothShaded( int state ) +{ + if ( state != 1 ) { + makeCurrent(); + glEnable( GL_DEPTH_TEST ); + glEnable( GL_LIGHTING ); + glEnable( GL_LIGHT0 ); + glEnable( GL_NORMALIZE ); + glDisable( GL_LINE_SMOOTH ); + glDisable( GL_BLEND ); + + glShadeModel( GL_SMOOTH ); + glLightModeli( GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE ); + + // Setup lighting and material properties + GLfloat position[] = { 15.0, -15.0, 15.0, 0.0 }; + GLfloat ambient[] = { 0.50, 0.50, 0.50, 0.0 }; + GLfloat diffuse[] = { 1.00, 1.00, 1.00, 0.0 }; + GLfloat specular[] = { 1.0, 1.0, 1.0, 0.0 }; + GLfloat materialAmbient[] = { 0.00, 0.00, 1.0, 0.0 }; + // GLfloat materialDiffuse[] = { 1.00, 1.00, 1.0, 0.0 }; + GLfloat materialShininess[] = { 128.0 }; + GLfloat materialSpecular[] = { 1.0, 1.0, 1.0, 0.0 }; + + glMaterialfv( GL_FRONT, GL_SPECULAR, materialSpecular ); + // glMaterialfv( GL_FRONT, GL_DIFFUSE, materialDiffuse ); + glMaterialfv( GL_FRONT, GL_AMBIENT, materialAmbient ); + glMaterialfv( GL_FRONT, GL_SHININESS, materialShininess ); + + glLightfv( GL_LIGHT0, GL_POSITION, position ); + glLightfv( GL_LIGHT0, GL_AMBIENT, ambient ); + glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse ); + glLightfv( GL_LIGHT0, GL_SPECULAR, specular ); + + mode = SmoothShaded; + calculateVertexNormals(); + updateGL(); + } +} + +void GLLandscape::setLandscape( int state ) +{ + if ( state != 1 ) { + makeCurrent(); + glEnable( GL_DEPTH_TEST ); + glEnable( GL_LIGHTING ); + glEnable( GL_LIGHT0 ); + glEnable( GL_NORMALIZE ); + glDisable( GL_LINE_SMOOTH ); + glDisable( GL_BLEND ); + + glShadeModel( GL_SMOOTH ); + glLightModeli( GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE ); + + // Setup lighting and material properties + GLfloat position[] = { 15.0, -15.0, 15.0, 0.0 }; + GLfloat ambient[] = { 0.50, 0.50, 0.50, 0.0 }; + GLfloat diffuse[] = { 1.00, 1.00, 1.00, 0.0 }; + GLfloat specular[] = { 1.0, 1.0, 1.0, 0.0 }; + + glLightfv( GL_LIGHT0, GL_POSITION, position ); + glLightfv( GL_LIGHT0, GL_AMBIENT, ambient ); + glLightfv( GL_LIGHT0, GL_DIFFUSE, diffuse ); + glLightfv( GL_LIGHT0, GL_SPECULAR, specular ); + + glBlendFunc(GL_SRC_ALPHA, GL_SRC_COLOR ); + + mode = Landscape; + calculateVertexNormals(); + updateGL(); + } +} + +void GLLandscape::mousePressEvent( QMouseEvent *e ) +{ + oldPos = e->pos(); + mouseButtonDown = TRUE; +} + +void GLLandscape::mouseReleaseEvent( QMouseEvent *e ) +{ + oldPos = e->pos(); + mouseButtonDown = FALSE; +} + +void GLLandscape::mouseMoveEvent( QMouseEvent *e ) +{ + GLfloat rx = (GLfloat) (e->x() - oldPos.x()) / width(); + GLfloat ry = (GLfloat) (e->y() - oldPos.y()) / height(); + + if ( e->state() == LeftButton ) { + // Left button down - rotate around X and Y axes + oldX = 180*ry; + oldY = 180*rx; + rotate( oldX, XAxis ); + rotate( oldY, YAxis ); + updateGL(); + } else if ( e->state() == RightButton ) { + // Right button down - rotate around X and Z axes + oldX = 180*ry; + oldZ = 180*rx; + rotate( oldX, XAxis ); + rotate( oldZ, ZAxis ); + updateGL(); + } + oldPos = e->pos(); +} + +void GLLandscape::timerEvent( QTimerEvent *e ) +{ + if (e->timerId() == cubeTimer) { + cubeRot += 1; + if (!animationRunning) + updateGL(); + return; + } + + int dx, dy; // disturbance point + float s, v, W, t; + int i, j; + + if ( mode == Landscape ) { + dx = dy = 0; + } else { + dx = dy = gridSize >> 1; + } + W = 0.3; + v = -4; // wave speed + + for ( i = 0; i < gridSize; i++ ) + for ( j = 0; j < gridSize; j++ ) + { + s = sqrt( (double) ( (j - dx) * (j - dx) + (i - dy) * (i - dy) ) ); + wt[i][j] += 0.1; + t = s / v; + + if ( mode == Landscape ) { + if ( (landscape[i][j] + wave[i][j]) < 0 ) + landscape[i][j] -= wave[i][j]; + if ( (dy - j != 0) || (dx - i != 0) ) + wave[i][j] = (3 * sin( 2 * PI * W * (wt[i][j] + t ))) / + (0.2*(sqrt( pow((double)(dx-i), 2) + pow((double)(dy-j), 2))+2)); + else + wave[i][j] = ( 3 * sin( 2 * PI * W * ( wt[i][j] + t ) ) ); + if ( landscape[i][j] + wave[i][j] < 0 ) + landscape[i][j] += wave[i][j]; + + } else { + landscape[i][j] -= wave[i][j]; + + if ( s != 0 ) + wave[i][j] = 2 * sin(2 * PI * W * ( wt[i][j] + t )) / + (0.2*(s + 2)); + else + wave[i][j] = 2 * sin( 2 * PI * W * ( wt[i][j] + t ) ); + landscape[i][j] += wave[i][j]; + } + + } + if ( mode == SmoothShaded || mode == Landscape ) + calculateVertexNormals(); + updateGL(); +} + +void GLLandscape::toggleWaveAnimation( bool state ) +{ + if (state) { + animTimer = startTimer(20); + animationRunning = TRUE; + } else { + killTimer(animTimer); + animationRunning = FALSE; + } +} + +void GLLandscape::showEvent( QShowEvent * ) +{ + if (animationRunning) + animTimer = startTimer(20); + cubeTimer = startTimer(50); +} + +void GLLandscape::hideEvent( QHideEvent * ) +{ + if (animationRunning) + killTimer(animTimer); + killTimer(cubeTimer); +} + +void GLLandscape::initDisplayLists() +{ + // axisList + axisList = glGenLists(1); + glNewList(axisList, GL_COMPILE); + + glEnable(GL_LINE_SMOOTH); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_DEPTH_TEST); + glColor3f(1.0, 0.0, 0.0); + glBegin(GL_LINES); + { + glColor3f(1.0, 0.0, 0.0); + glVertex3f(-1.0f, 0, 0); // x axis + glVertex3f(1.0f, 0, 0); + + glVertex3f(1.0f, 0, 0); + glVertex3f(0.8f, 0.2f, 0); + glVertex3f(1.0f, 0, 0); + glVertex3f(0.8f, -.2f, 0); + + glColor3f(0.0, 1.0, 0.0); + glVertex3f(0, -1.0f, 0); // y axis + glVertex3f(0, 1.0f, 0); + + glVertex3f(0, 1.0f, 0); + glVertex3f(0.2f, 0.8f, 0); + glVertex3f(0, 1.0f, 0); + glVertex3f(-0.2f, 0.8f, 0); + + glColor3f(0.5, 0.5, 1.0); + glVertex3f(0, 0, -1.0f); // z axis + glVertex3f(0, 0, 1.0f); + + glVertex3f(0, 0, 1.0f); + glVertex3f(0, 0.2f, 0.8f); + glVertex3f(0, 0, 1.0f); + glVertex3f(0,-0.2f, 0.8f); + } + glEnd(); + + glEndList(); + + // cubeList + cubeList = glGenLists(1); + glNewList(cubeList, GL_COMPILE); + + glEnable(GL_TEXTURE_2D); + glEnable(GL_DEPTH_TEST); + glEnable(GL_CULL_FACE); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_SRC_COLOR); + + glBegin( GL_QUADS ); + { + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 0.0, 0.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 0.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 0.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 1.0, 0.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 0.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 0.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 0.0, 0.0 ); + + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 0.0, 1.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 0.0, 1.0, 1.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 0.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 1.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 0.0, 1.0 ); + + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 0.0, 0.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 0.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 0.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 0.0, 1.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 1.0, 0.0, 0.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 1.0, 0.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 0.0, 0.0 ); + + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 0.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 1.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 1.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 1.0, 1.0, 1.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 1.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 0.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 0.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 0.0, 1.0, 0.0 ); + + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 1.0, 0.0, 0.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 1.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 1.0, 1.0, 1.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 1.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 1.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 1.0, 0.0, 0.0 ); + + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 0.0, 0.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 0.0 ); glVertex3f( 0.0, 1.0, 0.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 0.0, 1.0, 1.0 ); + glTexCoord2f( 0.0, 1.0 ); glVertex3f( 0.0, 1.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 0.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 1.0 ); glVertex3f( 0.0, 0.0, 1.0 ); + glTexCoord2f( 1.0, 0.0 ); glVertex3f( 0.0, 0.0, 0.0 ); + } + glEnd(); + glDisable(GL_TEXTURE_2D); + + glEndList(); +} diff --git a/examples/demo/opengl/gllandscape.h b/examples/demo/opengl/gllandscape.h new file mode 100644 index 0000000..ca87676 --- /dev/null +++ b/examples/demo/opengl/gllandscape.h @@ -0,0 +1,98 @@ +#ifndef GLLANDSCAPE_H +#define GLLANDSCAPE_H + +#include <qgl.h> + +class GLLandscape : public QGLWidget +{ + Q_OBJECT + +public: + GLLandscape( QWidget * parent = 0, const char * name = 0 ); + ~GLLandscape(); + +public slots: + void rotateX( int ); + void rotateY( int ); + void rotateZ( int ); + void zoom( int ); + void fractalize(); + void resetGrid(); + + void setWireframe( int ); + void setFilled( int ); + void setSmoothShaded( int ); + void setLandscape( int ); + void setGridSize( int ); + + void toggleWaveAnimation( bool ); + +signals: + void rotatedX( int ); + void rotatedY( int ); + void rotatedZ( int ); + +protected: + void paintGL(); + void initializeGL(); + void resizeGL( int w, int h ); + void mousePressEvent( QMouseEvent * ); + void mouseReleaseEvent( QMouseEvent * ); + void mouseMoveEvent( QMouseEvent * ); + void timerEvent( QTimerEvent * ); + void showEvent( QShowEvent * ); + void hideEvent( QHideEvent * ); + + void drawWireframe(); + void drawFilled(); + void drawSmoothShaded(); + void drawAxis(); + void drawCube(); + +private: + enum Axis { XAxis, YAxis, ZAxis }; + enum RenderModes { Wireframe, Filled, SmoothShaded, Landscape }; + enum Views { DefaultView, CurrentView, AxisView }; + + void rotate( GLfloat deg, Axis axis ); + void calculateVertexNormals(); + void averageNormals(); + void createGrid( int size ); + void destroyGrid(); + void initDisplayLists(); + + RenderModes mode; + + typedef struct grid_normals { + double u[3], l[3]; + } gridNormals; + + // Structure used to store the vertex normals for the landscape + typedef struct avg_normals { + double n[3]; + } avgNormals; + + typedef struct viewMatrix { + GLfloat model[4][4]; // OpenGL model view matrix for the view + GLfloat projection[4][4]; // OpenGL projection matrix for the view + } viewMatrix; + + double ** landscape; // Height field data + double ** wave; // Wave data + double ** wt; // Parameterized wave data + gridNormals ** normals; + avgNormals ** vertexNormals; + viewMatrix views[3]; + + QPoint oldPos; + GLfloat oldX, oldY, oldZ; + bool initFractals; + int gridSize, gridHalf; + bool animationRunning; + bool mouseButtonDown; + int cubeTimer, animTimer; + GLfloat cubeRot; + GLint axisList, cubeList; +}; + +#endif diff --git a/examples/demo/opengl/gllandscapeviewer.ui b/examples/demo/opengl/gllandscapeviewer.ui new file mode 100644 index 0000000..558cc35 --- /dev/null +++ b/examples/demo/opengl/gllandscapeviewer.ui @@ -0,0 +1,623 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>GLLandscapeViewer</class> +<widget class="QWidget"> + <property name="name"> + <cstring>GLLandscapeViewer</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>731</width> + <height>519</height> + </rect> + </property> + <property name="caption"> + <string>Qt/OpenGL example</string> + </property> + <property name="layoutMargin" stdset="0"> + </property> + <grid> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget" row="1" column="0"> + <property name="name"> + <cstring>Layout9</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>18</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout5</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel1</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>X-rotation</string> + </property> + </widget> + <widget class="QThumbWheel"> + <property name="name"> + <cstring>wheelX</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>5</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="minimumSize"> + <size> + <width>100</width> + <height>30</height> + </size> + </property> + </widget> + </vbox> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout6</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel1_2</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>Y-rotation</string> + </property> + </widget> + <widget class="QThumbWheel"> + <property name="name"> + <cstring>wheelY</cstring> + </property> + <property name="minimumSize"> + <size> + <width>100</width> + <height>30</height> + </size> + </property> + </widget> + </vbox> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout7</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel1_3</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>Z-rotation</string> + </property> + </widget> + <widget class="QThumbWheel"> + <property name="name"> + <cstring>wheelZ</cstring> + </property> + <property name="minimumSize"> + <size> + <width>100</width> + <height>30</height> + </size> + </property> + </widget> + </vbox> + </widget> + </hbox> + </widget> + <widget class="QLayoutWidget" row="2" column="0"> + <property name="name"> + <cstring>Layout15</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QButtonGroup"> + <property name="name"> + <cstring>ButtonGroup2</cstring> + </property> + <property name="enabled"> + <bool>true</bool> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>1</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="title"> + <string>Rendering mode</string> + </property> + <grid> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QRadioButton" row="0" column="0"> + <property name="name"> + <cstring>RadioButton1</cstring> + </property> + <property name="text"> + <string>&Wireframe</string> + </property> + <property name="checked"> + <bool>true</bool> + </property> + </widget> + <widget class="QRadioButton" row="0" column="1"> + <property name="name"> + <cstring>RadioButton1_2</cstring> + </property> + <property name="text"> + <string>Fl&at shaded</string> + </property> + </widget> + <widget class="QRadioButton" row="0" column="2"> + <property name="name"> + <cstring>RadioButton1_3</cstring> + </property> + <property name="text"> + <string>&Smooth shaded</string> + </property> + </widget> + <widget class="QRadioButton" row="0" column="3"> + <property name="name"> + <cstring>RadioButton1_3_2</cstring> + </property> + <property name="text"> + <string>&Landscape</string> + </property> + </widget> + </grid> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout14</cstring> + </property> + <grid> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton" row="0" column="1"> + <property name="name"> + <cstring>fractalize_btn_2</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>0</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Fractalize</string> + </property> + <property name="autoRepeat"> + <bool>true</bool> + </property> + </widget> + <widget class="QPushButton" row="0" column="2"> + <property name="name"> + <cstring>reset_btn</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>0</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Reset grid</string> + </property> + <property name="autoRepeat"> + <bool>true</bool> + </property> + </widget> + <widget class="QPushButton" row="0" column="0"> + <property name="name"> + <cstring>animate_btn</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>0</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Animate</string> + </property> + <property name="toggleButton"> + <bool>true</bool> + </property> + <property name="autoRepeat"> + <bool>true</bool> + </property> + </widget> + </grid> + </widget> + </hbox> + </widget> + <widget class="QLayoutWidget" row="0" column="0"> + <property name="name"> + <cstring>Layout19</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout18</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>Zoom</string> + </property> + </widget> + <widget class="QThumbWheel"> + <property name="name"> + <cstring>wheelZoom</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>0</hsizetype> + <vsizetype>7</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="minimumSize"> + <size> + <width>30</width> + <height>0</height> + </size> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2_2</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>Size</string> + </property> + </widget> + <widget class="QThumbWheel"> + <property name="name"> + <cstring>wheelSize</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>0</hsizetype> + <vsizetype>7</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="minimumSize"> + <size> + <width>30</width> + <height>0</height> + </size> + </property> + </widget> + </vbox> + </widget> + <widget class="QFrame"> + <property name="name"> + <cstring>Frame5</cstring> + </property> + <property name="frameShape"> + <enum>StyledPanel</enum> + </property> + <property name="frameShadow"> + <enum>Raised</enum> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>1</number> + </property> + <property name="spacing"> + <number>0</number> + </property> + <widget class="GLLandscape"> + <property name="name"> + <cstring>landscape</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>7</hsizetype> + <vsizetype>7</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + </widget> + </hbox> + </widget> + </hbox> + </widget> + </grid> +</widget> +<customwidgets> + <customwidget> + <class>GLLandscape</class> + <header location="local">gllandscape.h</header> + <sizehint> + <width>100</width> + <height>100</height> + </sizehint> + <container>0</container> + <sizepolicy> + <hordata>3</hordata> + <verdata>3</verdata> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + <pixmap>image0</pixmap> + <signal>rotatedX(int)</signal> + <slot access="public" specifier="">rotateZ(int)</slot> + <slot access="public" specifier="">rotateY(int)</slot> + <slot access="public" specifier="">rotateX(int)</slot> + <slot access="public" specifier="">zoom(int)</slot> + <slot access="public" specifier="">fractalize()</slot> + <slot access="public" specifier="">setWireframe(int)</slot> + <slot access="public" specifier="">setFilled(int)</slot> + <slot access="public" specifier="">setGridSize(int)</slot> + <slot access="public" specifier="">toggleWaveAnimation(bool)</slot> + <slot access="public" specifier="">setSmoothShaded(int)</slot> + <slot access="public" specifier="">setLandscape(int)</slot> + <slot access="public" specifier="">resetGrid()</slot> + </customwidget> + <customwidget> + <class>QThumbWheel</class> + <header location="local">qthumbwheel.h</header> + <sizehint> + <width>100</width> + <height>16</height> + </sizehint> + <container>0</container> + <sizepolicy> + <hordata>7</hordata> + <verdata>0</verdata> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + <pixmap>image0</pixmap> + <signal>valueChanged(int)</signal> + </customwidget> +</customwidgets> +<images> + <image name="image0"> + <data format="XPM.GZ" length="646">789c6dd2c10ac2300c00d07bbf2234b722ddac1741fc04c5a3201e6615f43085390f22febbb65dd6666dd821dda36996b552b0df6d4055e2d937fdcd82bd361da8f3ab6ddf87e3fa23a431e01e98cb99901a2c6c1ff78bcbf19fe372713275ed6908f441ab51300617649108624641d22a9427c21a192405241a256e08e4850311172a3b95d87159742e98ef09bda403e03271f6a5bc663e9d8214279afd05eaa048f11e242f753c27bb21ee9cef4afc00c1c26728</data> + </image> +</images> +<connections> + <connection> + <sender>RadioButton1</sender> + <signal>stateChanged(int)</signal> + <receiver>landscape</receiver> + <slot>setWireframe(int)</slot> + </connection> + <connection> + <sender>RadioButton1_2</sender> + <signal>stateChanged(int)</signal> + <receiver>landscape</receiver> + <slot>setFilled(int)</slot> + </connection> + <connection> + <sender>animate_btn</sender> + <signal>toggled(bool)</signal> + <receiver>landscape</receiver> + <slot>toggleWaveAnimation(bool)</slot> + </connection> + <connection> + <sender>RadioButton1_3</sender> + <signal>stateChanged(int)</signal> + <receiver>landscape</receiver> + <slot>setSmoothShaded(int)</slot> + </connection> + <connection> + <sender>wheelY</sender> + <signal>valueChanged(int)</signal> + <receiver>landscape</receiver> + <slot>rotateY(int)</slot> + </connection> + <connection> + <sender>wheelZ</sender> + <signal>valueChanged(int)</signal> + <receiver>landscape</receiver> + <slot>rotateZ(int)</slot> + </connection> + <connection> + <sender>wheelSize</sender> + <signal>valueChanged(int)</signal> + <receiver>landscape</receiver> + <slot>setGridSize(int)</slot> + </connection> + <connection> + <sender>wheelZoom</sender> + <signal>valueChanged(int)</signal> + <receiver>landscape</receiver> + <slot>zoom(int)</slot> + </connection> + <connection> + <sender>wheelX</sender> + <signal>valueChanged(int)</signal> + <receiver>landscape</receiver> + <slot>rotateX(int)</slot> + </connection> + <connection> + <sender>RadioButton1_3_2</sender> + <signal>stateChanged(int)</signal> + <receiver>landscape</receiver> + <slot>setLandscape(int)</slot> + </connection> + <connection> + <sender>reset_btn</sender> + <signal>clicked()</signal> + <receiver>landscape</receiver> + <slot>resetGrid()</slot> + </connection> + <connection> + <sender>fractalize_btn_2</sender> + <signal>clicked()</signal> + <receiver>landscape</receiver> + <slot>fractalize()</slot> + </connection> +</connections> +<tabstops> + <tabstop>RadioButton1</tabstop> + <tabstop>RadioButton1_2</tabstop> + <tabstop>RadioButton1_3</tabstop> + <tabstop>RadioButton1_3_2</tabstop> + <tabstop>fractalize_btn_2</tabstop> + <tabstop>reset_btn</tabstop> + <tabstop>animate_btn</tabstop> +</tabstops> +<includes> + <include location="local" impldecl="in implementation">gllandscapeviewer.ui.h</include> +</includes> +<slots> + <slot access="protected">init()</slot> + <slot access="protected">destroy()</slot> +</slots> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/demo/opengl/gllandscapeviewer.ui.h b/examples/demo/opengl/gllandscapeviewer.ui.h new file mode 100644 index 0000000..395519d --- /dev/null +++ b/examples/demo/opengl/gllandscapeviewer.ui.h @@ -0,0 +1,37 @@ +/**************************************************************************** +** ui.h extension file, included from the uic-generated form implementation. +** +** If you wish to add, delete or rename slots use Qt Designer which will +** update this file, preserving your code. Create an init() slot in place of +** a constructor, and a destroy() slot in place of a destructor. +*****************************************************************************/ + + +void GLLandscapeViewer::init() +{ + wheelX->setOrientation( Horizontal ); + wheelY->setOrientation( Horizontal ); + wheelZ->setOrientation( Horizontal ); + + wheelZoom->setOrientation( Vertical ); + wheelZoom->setRange( 0, 200 ); + wheelZoom->setValue( 100 ); + + wheelSize->setOrientation( Vertical ); + wheelSize->setRange( 25, 200 ); + wheelSize->setValue( 50 ); + wheelSize->setSteps( 10, 10 ); + + wheelX->setRange( 0, 360 ); + wheelY->setRange( 0, 360 ); + wheelZ->setRange( 0, 360 ); + + wheelX->setTransmissionRatio( 0.5 ); + wheelY->setTransmissionRatio( 0.5 ); + wheelZ->setTransmissionRatio( 0.5 ); +} + +void GLLandscapeViewer::destroy() +{ + +} diff --git a/examples/demo/opengl/gllogo.bmp b/examples/demo/opengl/gllogo.bmp Binary files differnew file mode 100644 index 0000000..ee64a10 --- /dev/null +++ b/examples/demo/opengl/gllogo.bmp diff --git a/examples/demo/opengl/gltexobj.cpp b/examples/demo/opengl/gltexobj.cpp new file mode 100644 index 0000000..60627da --- /dev/null +++ b/examples/demo/opengl/gltexobj.cpp @@ -0,0 +1,210 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +/**************************************************************************** +** +** This is a simple QGLWidget demonstrating the use of QImages for textures. +** +** Much of the GL code is inspired by the 'spectex' and 'texcyl' +** public domain demo programs by Brian Paul. +** +****************************************************************************/ + +#include "gltexobj.h" +#include <qimage.h> + +/*! + Create a GLTexobj widget +*/ + +GLTexobj::GLTexobj( QWidget* parent, const char* name, WFlags f ) + : GLControlWidget( parent, name, 0, f ), impX( -2 ), impY( 0.5 ), impZ( 1 ) +{ + object = 0; +} + +/*! + Release allocated resources +*/ + +GLTexobj::~GLTexobj() +{ + makeCurrent(); + glDeleteLists( object, 1 ); +} + + +/*! + Paint the texobj. The actual openGL commands for drawing the texobj are + performed here. +*/ + +void GLTexobj::paintGL() +{ + glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); + glPushMatrix(); + transform(); + glCallList( object ); + drawText(); + glPushAttrib( GL_LIGHTING_BIT | GL_TEXTURE_BIT ); + glDisable( GL_LIGHTING ); + glDisable( GL_TEXTURE_2D ); + qglColor( green ); + glLineWidth( 1.0 ); + glBegin( GL_LINES ); + { + glVertex3f( 0.0f, 0.0f, 1.0f ); + glVertex3f( 0.98f, 0.98f, 0.98f ); + } + glEnd(); + renderText( 1.0, 1.0, 1.0, "Can", QFont( "helvetica", 12, QFont::Bold, TRUE ) ); + glPopAttrib(); + glPopMatrix(); +} + + +/*! + Set up the OpenGL rendering state, and define display list +*/ + +void GLTexobj::initializeGL() +{ + // Set up the lights + + GLfloat whiteDir[4] = {2.0, 2.0, 2.0, 1.0}; + GLfloat whiteAmb[4] = {1.0, 1.0, 1.0, 1.0}; + GLfloat lightPos[4] = {30.0, 30.0, 30.0, 1.0}; + + glEnable(GL_LIGHTING); + glEnable(GL_LIGHT0); + glEnable(GL_DEPTH_TEST); + glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE); + glLightModelfv(GL_LIGHT_MODEL_AMBIENT, whiteAmb); + + glMaterialfv(GL_FRONT, GL_DIFFUSE, whiteDir); + glMaterialfv(GL_FRONT, GL_SPECULAR, whiteDir); + glMaterialf(GL_FRONT, GL_SHININESS, 20.0); + + glLightfv(GL_LIGHT0, GL_DIFFUSE, whiteDir); // enable diffuse + glLightfv(GL_LIGHT0, GL_SPECULAR, whiteDir); // enable specular + glLightfv(GL_LIGHT0, GL_POSITION, lightPos); + + // Set up the textures + + QImage tex1, tex2, buf; + + if ( !buf.load( "opengl/gllogo.bmp" ) ) { // Load first image from file + qWarning( "Could not read image file, using single-color instead." ); + QImage dummy( 128, 128, 32 ); + dummy.fill( Qt::green.rgb() ); + buf = dummy; + } + tex1 = QGLWidget::convertToGLFormat( buf ); // flipped 32bit RGBA + + if ( !buf.load( "opengl/qtlogo.bmp" ) ) { // Load first image from file + qWarning( "Could not read image file, using single-color instead." ); + QImage dummy( 128, 128, 32 ); + dummy.fill( Qt::red.rgb() ); + buf = dummy; + } + tex2 = QGLWidget::convertToGLFormat( buf ); // flipped 32bit RGBA + + glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); + glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); + glEnable( GL_TEXTURE_2D ); + + // Set up various other stuff + + glClearColor( 0.0, 0.0, 0.0, 0.0 ); // Let OpenGL clear to black + glEnable( GL_CULL_FACE ); // don't need Z testing for convex objects + glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST ); + + // Make the object display list + + object = makeObject( tex1, tex2 ); // Generate an OpenGL display list +} + + + +/*! + Set up the OpenGL view port, matrix mode, etc. +*/ + +void GLTexobj::resizeGL( int w, int h ) +{ + glViewport( 0, 0, w, h ); + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + glFrustum( -1.0, 1.0, -1.0, 1.0, 10.0, 100.0 ); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + glTranslatef( 0.0, 0.0, -70.0 ); +} + + +/*! + Generate an OpenGL display list for the object to be shown, i.e. the texobj +*/ + +GLuint GLTexobj::makeObject( const QImage& tex1, const QImage& tex2 ) +{ + GLUquadricObj* q = gluNewQuadric(); + GLuint cylinderObj = glGenLists(1); + glNewList( cylinderObj, GL_COMPILE ); + + glTranslatef( 0.0, 0.0, -1.0 ); + + // cylinder + glTexImage2D( GL_TEXTURE_2D, 0, 3, tex1.width(), tex1.height(), 0, + GL_RGBA, GL_UNSIGNED_BYTE, tex1.bits() ); + gluQuadricTexture( q, GL_TRUE ); + gluCylinder(q, 0.6, 0.6, 2.0, 24, 1); + + // end cap + glTexImage2D( GL_TEXTURE_2D, 0, 3, tex2.width(), tex2.height(), 0, + GL_RGBA, GL_UNSIGNED_BYTE, tex2.bits() ); + glTranslatef( 0.0, 0.0, 2.0 ); + gluDisk( q, 0.0, 0.6, 24, 1 ); + + // other end cap + glTranslatef( 0.0, 0.0, -2.0 ); + gluQuadricOrientation( q, (GLenum)GLU_INSIDE ); + gluDisk( q, 0.0, 0.6, 24, 1 ); + + glEndList(); + gluDeleteQuadric( q ); + + return cylinderObj; +} + +void GLTexobj::animate() +{ + xRot += impX; + yRot += impY; + zRot -= impZ; + + impX -= impX * 0.05; + impY -= impY * 0.05; + impZ -= impZ * 0.05; + + if ( impX > 0.1 || impY > 0.1 || impZ > 0.1 || + impX < -0.1 || impY < -0.1 || impZ < -0.1 ) + updateGL(); +} + +void GLTexobj::setRotationImpulse( double x, double y, double z ) +{ + if ( animation ) { + impX += 180*x; + impY += 180*y; + impZ += 180*z; + } else { + GLControlWidget::setRotationImpulse( x, y, z ); + } +} diff --git a/examples/demo/opengl/gltexobj.h b/examples/demo/opengl/gltexobj.h new file mode 100644 index 0000000..e621627 --- /dev/null +++ b/examples/demo/opengl/gltexobj.h @@ -0,0 +1,44 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +/**************************************************************************** +** +** This is a simple QGLWidget displaying an openGL wireframe box +** +****************************************************************************/ + +#ifndef GLTEXOBJ_H +#define GLTEXOBJ_H + +#include "glcontrolwidget.h" + +class GLTexobj : public GLControlWidget +{ + Q_OBJECT + +public: + GLTexobj( QWidget* parent, const char* name = 0, WFlags f = 0 ); + ~GLTexobj(); + +protected: + void animate(); + void initializeGL(); + void paintGL(); + void resizeGL( int w, int h ); + + virtual GLuint makeObject( const QImage& tex1, const QImage& tex2 ); + + void setRotationImpulse( double x, double y, double z ); + +private: + GLuint object; + double impX, impY, impZ; +}; + +#endif // GLTEXOBJ_H diff --git a/examples/demo/opengl/glworkspace.cpp b/examples/demo/opengl/glworkspace.cpp new file mode 100644 index 0000000..4670582 --- /dev/null +++ b/examples/demo/opengl/glworkspace.cpp @@ -0,0 +1,212 @@ +#include "glworkspace.h" +#include "glbox.h" +#include "glgear.h" +#include "gltexobj.h" + +#include <qworkspace.h> +#include <qdialog.h> +#include <qtoolbar.h> +#include <qpopupmenu.h> +#include <qmenubar.h> +#include <qaction.h> +#include <qprinter.h> +#include <qpainter.h> +#include <qcheckbox.h> +#include <qvbox.h> +#include <qimage.h> +#include "printpreview.h" + + +GLWorkspace::GLWorkspace( QWidget *parent, const char *name, WFlags f ) +: QMainWindow( parent, name, f ), printer( 0 ) +{ + setupSceneActions(); + + QVBox *vbox = new QVBox( this ); + vbox->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken ); + vbox->setMargin( 1 ); + vbox->setLineWidth( 1 ); + + workspace = new QWorkspace( vbox ); + workspace->setBackgroundMode( PaletteMid ); + setCentralWidget( vbox ); +} + +GLWorkspace::~GLWorkspace() +{ +} + +void GLWorkspace::setupSceneActions() +{ + QToolBar *tb = new QToolBar( "Scene", this ); + QPopupMenu *menu = new QPopupMenu( this ); + menuBar()->insertItem( tr( "&Scene" ), menu ); + + QAction *a; + QActionGroup *newGroup = new QActionGroup( this ); + newGroup->setMenuText( tr( "&New" ) ); + newGroup->setText( tr( "New" ) ); + newGroup->setUsesDropDown( TRUE ); + newGroup->setExclusive( FALSE ); + newGroup->setIconSet( QPixmap( "textdrawing/filenew.png" ) ); + a = new QAction( tr( "Wirebox" ), QPixmap( "opengl/wirebox.xpm" ), tr( "&Wirebox" ), 0, newGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( newWirebox() ) ); + a = new QAction( tr( "Gear" ), QPixmap( "opengl/gear.xpm" ), tr( "&Gears" ), 0, newGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( newGear() ) ); + a = new QAction( tr( "Texture" ), QPixmap( "opengl/texture.xpm" ), tr( "&Texture" ), 0, newGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( newTexture() ) ); +/* a = new QAction( tr( "Nurbs" ), QPixmap( "opengl/nurbs.xpm" ), tr( "&Nurbs" ), 0, newGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( newNurbs() ) );*/ + newGroup->addTo( tb ); + newGroup->addTo( menu ); + + menu->insertSeparator(); + QActionGroup *printGroup = new QActionGroup( this ); + printGroup->setMenuText( tr( "&Print" ) ); + printGroup->setText( tr( "Print" ) ); + printGroup->setUsesDropDown( TRUE ); + printGroup->setExclusive( FALSE ); + printGroup->setIconSet( QPixmap( "textdrawing/print.png" ) ); + QAction *da = new QAction( tr( "Window Size" ), QPixmap( "textdrawing/print.png" ), tr( "&Window Size" ), CTRL + Key_P, printGroup ); + connect( da, SIGNAL( activated() ), this, SLOT( filePrintWindowRes() ) ); + a = new QAction( tr( "Low Resolution" ), tr( "&Low Resolution" ), 0, printGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( filePrintLowRes() ) ); + a = new QAction( tr( "Medium Resolution" ), tr( "&Medium Resolution" ), 0, printGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( filePrintMedRes() ) ); + a = new QAction( tr( "High Resolution" ), tr( "&High Resolution" ), 0, printGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( filePrintHighRes() ) ); + printGroup->addSeparator(); + a = new QAction( tr( "Setup" ), tr( "&Setup..." ), 0, printGroup ); + connect( a, SIGNAL( activated() ), this, SLOT( filePrintSetup() ) ); + da->addTo( tb ); + printGroup->addTo( menu ); + + a = new QAction( tr( "Close" ), QPixmap(), tr( "&Close" ), 0, this ); + connect( a, SIGNAL( activated() ), this, SLOT( fileClose() ) ); + a->addTo( menu ); +} + +void GLWorkspace::newWirebox() +{ + GLBox *gl = new GLBox( workspace, 0, WDestructiveClose ); + gl->setIcon( QPixmap( "opengl/wirebox.xpm" ) ); + gl->setCaption( tr( "Wirebox" ) ); + gl->resize( 320, 240 ); + gl->show(); +} + +void GLWorkspace::newGear() +{ + GLGear *gl = new GLGear( workspace, 0, WDestructiveClose ); + gl->setIcon( QPixmap( "opengl/gear.xpm" ) ); + gl->setCaption( tr( "Gear" ) ); + gl->resize( 320, 240 ); + gl->show(); +} + +void GLWorkspace::newTexture() +{ + GLTexobj *gl = new GLTexobj( workspace, 0, WDestructiveClose ); + gl->setIcon( QPixmap( "opengl/texture.xpm" ) ); + gl->setCaption( tr( "Texture" ) ); + gl->resize( 320, 240 ); + gl->show(); +} + +void GLWorkspace::newNurbs() +{ + GLGear *gl = new GLGear ( workspace, 0, WDestructiveClose ); + gl->setIcon( QPixmap( "opengl/nurbs.xpm" ) ); + gl->setCaption( tr( "Nurbs" ) ); + gl->resize( 320, 240 ); + gl->show(); +} + +void GLWorkspace::filePrint( int x, int y ) +{ + bool print = printer || filePrintSetup(); + if ( !print || !printer ) + return; + + QWidget *widget = workspace->activeWindow(); + if ( !widget || !widget->inherits( "QGLWidget" ) ) + return; + QGLWidget *gl = (QGLWidget *)widget; + QPixmap pm = gl->renderPixmap( x, y ); + + PrintPreview view( this ); + QImage temp = pm.convertToImage(); + temp = temp.smoothScale( 400, 300 ); + QPixmap temppix; + temppix.convertFromImage( temp ); + view.setPixmap( temppix ); + view.setIcon( QPixmap( "opengl/snapshot.xpm" ) ); + view.setCaption( gl->caption() + " - Print preview" ); + if ( view.exec() ) { + QImage img = pm.convertToImage(); + if ( view.checkInvert->isChecked() ) { + img.invertPixels(); + } + if ( view.checkMirror->isChecked() ) { + img = img.mirror( TRUE, FALSE ); + } + if ( view.checkFlip->isChecked() ) { + img = img.mirror( FALSE, TRUE ); + } + if ( view.checkLeft->isEnabled() && view.checkLeft->isChecked() ) { + } + if ( view.checkRight->isEnabled() && view.checkRight->isChecked() ) { + } + pm.convertFromImage( img ); + + QPainter painter; + if ( !painter.begin( printer ) ) + return; + + painter.drawPixmap( QPoint( 0, 0 ), pm ); + + painter.end(); + } +} + +void GLWorkspace::filePrintWindowRes() +{ + filePrint( 0, 0 ); +} + +void GLWorkspace::filePrintLowRes() +{ + filePrint( 640, 480 ); +} + +void GLWorkspace::filePrintMedRes() +{ + filePrint( 1024, 768 ); +} + +void GLWorkspace::filePrintHighRes() +{ + filePrint( 2048, 1536 ); +} + +bool GLWorkspace::filePrintSetup() +{ + bool newPrinter = !printer; + + if ( !printer ) + printer = new QPrinter; + if ( printer->setup() ) { + return TRUE; + } else { + if ( newPrinter ) { + delete printer; + printer = 0; + } + return FALSE; + } +} + +void GLWorkspace::fileClose() +{ + workspace->closeActiveWindow(); +} diff --git a/examples/demo/opengl/glworkspace.h b/examples/demo/opengl/glworkspace.h new file mode 100644 index 0000000..36e1a23 --- /dev/null +++ b/examples/demo/opengl/glworkspace.h @@ -0,0 +1,37 @@ +#ifndef GLWORKSPACE_H +#define GLWORKSPACE_H + +#include <qmainwindow.h> + +class QWorkspace; +class QPrinter; + +class GLWorkspace : public QMainWindow +{ + Q_OBJECT +public: + GLWorkspace( QWidget *parent = 0, const char *name = 0, WFlags f = 0 ); + ~GLWorkspace(); + +protected: + void setupSceneActions(); + +protected slots: + void newWirebox(); + void newGear(); + void newTexture(); + void newNurbs(); + void filePrint( int x, int y ); + void filePrintWindowRes(); + void filePrintLowRes(); + void filePrintMedRes(); + void filePrintHighRes(); + bool filePrintSetup(); + void fileClose(); + +private: + QWorkspace *workspace; + QPrinter *printer; +}; + +#endif //GLWORKSPACE_H diff --git a/examples/demo/opengl/nurbs.xpm b/examples/demo/opengl/nurbs.xpm new file mode 100644 index 0000000..946d081 --- /dev/null +++ b/examples/demo/opengl/nurbs.xpm @@ -0,0 +1,305 @@ +/* XPM */ +static char *nest[] = { +/* width height num_colors chars_per_pixel */ +" 48 48 202 2", +/* colors */ +".. c None", +".# c #1f1000", +".a c #200800", +".b c #201000", +".c c #201700", +".d c #20170f", +".e c #201800", +".f c #201f0f", +".g c #2f1f00", +".h c #2f2710", +".i c #301700", +".j c #301f00", +".k c #30200f", +".l c #302810", +".m c #3f2000", +".n c #3f270f", +".o c #3f2f10", +".p c #402700", +".q c #40270f", +".r c #402f0f", +".s c #402f10", +".t c #40371f", +".u c #403720", +".v c #40382f", +".w c #4f3000", +".x c #4f3010", +".y c #4f371f", +".z c #4f3f1f", +".A c #4f3f3f", +".B c #4f402f", +".C c #4f403f", +".D c #503700", +".E c #50370f", +".F c #503f10", +".G c #50401f", +".H c #504020", +".I c #504030", +".J c #50403f", +".K c #504730", +".L c #50473f", +".M c #5f3f10", +".N c #5f4000", +".O c #5f401f", +".P c #5f471f", +".Q c #5f481f", +".R c #5f482f", +".S c #5f5030", +".T c #5f5040", +".U c #5f5750", +".V c #604010", +".W c #60481f", +".X c #604830", +".Y c #604f20", +".Z c #604f3f", +".0 c #605730", +".1 c #60584f", +".2 c #6f4000", +".3 c #6f4810", +".4 c #6f5730", +".5 c #6f5740", +".6 c #6f5f30", +".7 c #6f5f3f", +".8 c #6f6040", +".9 c #6f6850", +"#. c #704f10", +"## c #70501f", +"#a c #705020", +"#b c #705710", +"#c c #70581f", +"#d c #705830", +"#e c #705f2f", +"#f c #705f3f", +"#g c #705f4f", +"#h c #705f50", +"#i c #70683f", +"#j c #706840", +"#k c #70706f", +"#l c #7f5000", +"#m c #7f5f2f", +"#n c #7f6030", +"#o c #7f673f", +"#p c #7f6840", +"#q c #7f685f", +"#r c #805820", +"#s c #805f10", +"#t c #80602f", +"#u c #80673f", +"#v c #80684f", +"#w c #806f40", +"#x c #806f50", +"#y c #806f5f", +"#z c #80704f", +"#A c #80786f", +"#B c #807f5f", +"#C c #8f6020", +"#D c #8f6f3f", +"#E c #8f6f50", +"#F c #8f7040", +"#G c #8f784f", +"#H c #906010", +"#I c #906720", +"#J c #90682f", +"#K c #906f3f", +"#L c #90702f", +"#M c #907060", +"#N c #90773f", +"#O c #907840", +"#P c #90786f", +"#Q c #907f6f", +"#R c #908050", +"#S c #90875f", +"#T c #90886f", +"#U c #908f70", +"#V c #909080", +"#W c #9f701f", +"#X c #9f702f", +"#Y c #9f7840", +"#Z c #9f804f", +"#0 c #9f8050", +"#1 c #a0680f", +"#2 c #a0783f", +"#3 c #a0804f", +"#4 c #a0806f", +"#5 c #a0874f", +"#6 c #a0875f", +"#7 c #a08f50", +"#8 c #a08f5f", +"#9 c #a0906f", +"a. c #a09770", +"a# c #a0977f", +"aa c #af701f", +"ab c #af782f", +"ac c #af7f3f", +"ad c #af803f", +"ae c #af876f", +"af c #af884f", +"ag c #af8f5f", +"ah c #af8f6f", +"ai c #af8f7f", +"aj c #af9070", +"ak c #af907f", +"al c #af9880", +"am c #af9f70", +"an c #afa080", +"ao c #b06f0f", +"ap c #b0802f", +"aq c #b0904f", +"ar c #b0975f", +"as c #b09780", +"at c #b0a06f", +"au c #b0a890", +"av c #bf8f3f", +"aw c #bf907f", +"ax c #bf974f", +"ay c #bf977f", +"az c #bf985f", +"aA c #bf9860", +"aB c #bf9f6f", +"aC c #bfa080", +"aD c #bfa870", +"aE c #bfa880", +"aF c #bfa890", +"aG c #c09750", +"aH c #c09f80", +"aI c #c0a760", +"aJ c #c0a76f", +"aK c #c0b080", +"aL c #c0b790", +"aM c #cf9740", +"aN c #cfa78f", +"aO c #cfa87f", +"aP c #cfaf6f", +"aQ c #cfaf90", +"aR c #d09f80", +"aS c #d0a860", +"aT c #d0b770", +"aU c #d0b88f", +"aV c #d0b890", +"aW c #dfa750", +"aX c #dfaf90", +"aY c #dfb79f", +"aZ c #dfb8a0", +"a0 c #dfc08f", +"a1 c #e0a780", +"a2 c #e0b790", +"a3 c #e0b79f", +"a4 c #e0b870", +"a5 c #e0bfa0", +"a6 c #e0c8a0", +"a7 c #e0cf9f", +"a8 c #efb090", +"a9 c #efbf90", +"b. c #efd7af", +"b# c #f0bf9f", +"ba c #f0c0a0", +"bb c #f0cfb0", +"bc c #ffc8af", +"bd c #ffd7b0", +"be c #ffd7bf", +"bf c #ffd8bf", +"bg c #ffdfc0", +"bh c #ffe7c0", +/* pixels */ 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E| ´SSSSSSSSSSSSSSSSSSSS)SSŠ~) FISrMsY5şSS|´SSSSSSSSSSSSSSSSSSSSSypSSSSŠp]ciw@ş|iSSSSSSSSSSSSSSSSSSSSSSSS|Ż°~´§SS§S|SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS§§¤SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSMSSSSS||SSSSSSSSSSSSSSSSSSSSS diff --git a/examples/demo/opengl/printpreview.ui b/examples/demo/opengl/printpreview.ui new file mode 100644 index 0000000..559f0cf --- /dev/null +++ b/examples/demo/opengl/printpreview.ui @@ -0,0 +1,277 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>PrintPreview</class> +<widget class="QDialog"> + <property name="name"> + <cstring>PrintPreview</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>634</width> + <height>195</height> + </rect> + </property> + <property name="caption"> + <string>Print Preview</string> + </property> + <property name="sizeGripEnabled"> + <bool>true</bool> + </property> + <grid> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QGroupBox" row="0" column="0"> + <property name="name"> + <cstring>GroupBox1</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>7</hsizetype> + <vsizetype>7</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="title"> + <string>Preview</string> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>pixmapLabel</cstring> + </property> + <property name="text"> + <string>TextLabel1</string> + </property> + </widget> + </hbox> + </widget> + <widget class="QGroupBox" row="0" column="1"> + <property name="name"> + <cstring>GroupBox2</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>4</hsizetype> + <vsizetype>7</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="title"> + <string>Modify</string> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QCheckBox"> + <property name="name"> + <cstring>checkInvert</cstring> + </property> + <property name="text"> + <string>&Invert Colors</string> + </property> + </widget> + <widget class="QCheckBox"> + <property name="name"> + <cstring>checkMirror</cstring> + </property> + <property name="text"> + <string>&Mirror</string> + </property> + </widget> + <widget class="QCheckBox"> + <property name="name"> + <cstring>checkFlip</cstring> + </property> + <property name="text"> + <string>&Flip</string> + </property> + </widget> + <widget class="QCheckBox"> + <property name="name"> + <cstring>checkLeft</cstring> + </property> + <property name="text"> + <string>Rotate 90° &left</string> + </property> + </widget> + <widget class="QCheckBox"> + <property name="name"> + <cstring>checkRight</cstring> + </property> + <property name="text"> + <string>Rotate 90° &right</string> + </property> + </widget> + </vbox> + </widget> + <widget class="QLayoutWidget" row="1" column="0" rowspan="1" colspan="2"> + <property name="name"> + <cstring>Layout1</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton"> + <property name="name"> + <cstring>buttonHelp</cstring> + </property> + <property name="text"> + <string>&Help</string> + </property> + <property name="autoDefault"> + <bool>true</bool> + </property> + </widget> + <spacer> + <property name="name"> + <cstring>Horizontal Spacing2</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>buttonOk</cstring> + </property> + <property name="caption"> + <string></string> + </property> + <property name="text"> + <string>&Print</string> + </property> + <property name="autoDefault"> + <bool>true</bool> + </property> + <property name="default"> + <bool>true</bool> + </property> + </widget> + <widget class="QPushButton"> + <property name="name"> + <cstring>buttonCancel</cstring> + </property> + <property name="text"> + <string>&Discard</string> + </property> + <property name="autoDefault"> + <bool>true</bool> + </property> + </widget> + </hbox> + </widget> + </grid> +</widget> +<connections> + <connection> + <sender>buttonOk</sender> + <signal>clicked()</signal> + <receiver>PrintPreview</receiver> + <slot>accept()</slot> + </connection> + <connection> + <sender>buttonCancel</sender> + <signal>clicked()</signal> + <receiver>PrintPreview</receiver> + <slot>reject()</slot> + </connection> + <connection> + <sender>checkLeft</sender> + <signal>toggled(bool)</signal> + <receiver>checkRight</receiver> + <slot>setDisabled(bool)</slot> + </connection> + <connection> + <sender>checkRight</sender> + <signal>toggled(bool)</signal> + <receiver>checkLeft</receiver> + <slot>setDisabled(bool)</slot> + </connection> + <connection> + <sender>checkInvert</sender> + <signal>toggled(bool)</signal> + <receiver>PrintPreview</receiver> + <slot>invertColors(bool)</slot> + </connection> + <connection> + <sender>checkMirror</sender> + <signal>toggled(bool)</signal> + <receiver>PrintPreview</receiver> + <slot>mirror(bool)</slot> + </connection> + <connection> + <sender>checkFlip</sender> + <signal>toggled(bool)</signal> + <receiver>PrintPreview</receiver> + <slot>flip(bool)</slot> + </connection> + <connection> + <sender>checkLeft</sender> + <signal>toggled(bool)</signal> + <receiver>PrintPreview</receiver> + <slot>rotateLeft(bool)</slot> + </connection> + <connection> + <sender>checkRight</sender> + <signal>toggled(bool)</signal> + <receiver>PrintPreview</receiver> + <slot>rotateRight(bool)</slot> + </connection> +</connections> +<includes> + <include location="global" impldecl="in declaration">qimage.h</include> + <include location="global" impldecl="in declaration">qpixmap.h</include> + <include location="local" impldecl="in implementation">printpreview.ui.h</include> +</includes> +<variables> + <variable>QPixmap pix</variable> +</variables> +<slots> + <slot access="protected">init()</slot> + <slot access="protected">destroy()</slot> + <slot>updatePreview()</slot> + <slot>flip( bool )</slot> + <slot>invertColors( bool )</slot> + <slot>mirror( bool )</slot> + <slot>rotateLeft( bool )</slot> + <slot>rotateRight( bool )</slot> + <slot>setPixmap( const QPixmap & pm )</slot> +</slots> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/demo/opengl/printpreview.ui.h b/examples/demo/opengl/printpreview.ui.h new file mode 100644 index 0000000..db5dbfb --- /dev/null +++ b/examples/demo/opengl/printpreview.ui.h @@ -0,0 +1,70 @@ +/**************************************************************************** +** ui.h extension file, included from the uic-generated form implementation. +** +** If you wish to add, delete or rename functions respectively slots use +** Qt Designer which will update this file, preserving your code. Create an +** init() function in place of a constructor, and a destroy() function in +** place of a destructor. +*****************************************************************************/ + +void PrintPreview::init() +{ + +} + +void PrintPreview::destroy() +{ + +} + +void PrintPreview::updatePreview() +{ + QImage img = pix.convertToImage(); + if ( checkInvert->isChecked() ) { + img.invertPixels(); + } + if ( checkMirror->isChecked() ) { + img = img.mirror( TRUE, FALSE ); + } + if ( checkFlip->isChecked() ) { + img = img.mirror( FALSE, TRUE ); + } + if ( checkLeft->isEnabled() && checkLeft->isChecked() ) { + } + if ( checkRight->isEnabled() && checkRight->isChecked() ) { + } + QPixmap pm; + pm.convertFromImage( img ); + pixmapLabel->setPixmap( pm ); +} + +void PrintPreview::flip( bool ) +{ + updatePreview(); +} + +void PrintPreview::invertColors( bool ) +{ + updatePreview(); +} + +void PrintPreview::mirror( bool ) +{ + updatePreview(); +} + +void PrintPreview::rotateLeft( bool ) +{ + updatePreview(); +} + +void PrintPreview::rotateRight( bool ) +{ + updatePreview(); +} + +void PrintPreview::setPixmap( const QPixmap & pm ) +{ + pix = pm; + updatePreview(); +} diff --git a/examples/demo/opengl/qtlogo.bmp b/examples/demo/opengl/qtlogo.bmp Binary files differnew file mode 100644 index 0000000..b7f9215 --- /dev/null +++ b/examples/demo/opengl/qtlogo.bmp diff --git a/examples/demo/opengl/qtlogo.png b/examples/demo/opengl/qtlogo.png Binary files differnew file mode 100644 index 0000000..e6e3bee --- /dev/null +++ b/examples/demo/opengl/qtlogo.png diff --git a/examples/demo/opengl/snapshot.xpm b/examples/demo/opengl/snapshot.xpm new file mode 100644 index 0000000..1c7180c --- /dev/null +++ b/examples/demo/opengl/snapshot.xpm @@ -0,0 +1,238 @@ +/* XPM */ +static char *camera[] = { +/* width height num_colors chars_per_pixel */ +" 32 32 151 2", +/* colors */ +".. c None", +".# c #1f1f1f", +".a c #202020", +".b c #2f2720", +".c c #302020", +".d c #302820", +".e c #3f2720", +".f c #3f2820", +".g c #3f2f2f", +".h c #3f3730", +".i c #402820", +".j c #402f20", +".k c #403730", +".l c #4f2820", +".m c #4f302f", +".n c #4f403f", +".o c #4f484f", +".p c #50302f", +".q c #50403f", +".r c #5f2f20", +".s c #5f3020", +".t c #5f3830", +".u c #5f4f30", +".v c #5f4f50", +".w c #5f5760", +".x c #60372f", +".y c #60382f", +".z c #60482f", +".A c #604f40", +".B c #60504f", +".C c #60606f", +".D c #6f4030", +".E c #6f4730", +".F c #6f676f", +".G c #6f7790", +".H c #70402f", +".I c #704030", +".J c #704830", +".K c #704f3f", +".L c #705f50", +".M c #706860", +".N c #707780", +".O c #7f6850", +".P c #7f706f", +".Q c #804f2f", +".R c #80573f", +".S c #805f40", +".T c #806740", +".U c #807060", +".V c #807f80", +".W c #80808f", +".X c #8090b0", +".Y c #80a0d0", +".Z c #8f5730", +".0 c #8f5840", +".1 c #8f7f7f", +".2 c #8f8f90", +".3 c #905f40", +".4 c #906740", +".5 c #90684f", +".6 c #907f6f", +".7 c #908780", +".8 c #908f8f", +".9 c #9097a0", +"#. c #909fb0", +"## c #90a7cf", +"#a c #9f5f30", +"#b c #9f684f", +"#c c #9f7750", +"#d c #9f887f", +"#e c #9f8f80", +"#f c #9f9790", +"#g c #9f98a0", +"#h c #9fa0af", +"#i c #9fafd0", +"#j c #9fafdf", +"#k c #a06f4f", +"#l c #a0703f", +"#m c #a07f5f", +"#n c #a0906f", +"#o c #a09780", +"#p c #a09890", +"#q c #a09f9f", +"#r c #a0b0c0", +"#s c #a0b7e0", +"#t c #af7850", +"#u c #af875f", +"#v c #af978f", +"#w c #af9fa0", +"#x c #afa09f", +"#y c #afa0a0", +"#z c #afa7af", +"#A c #afa8a0", +"#B c #afa8b0", +"#C c #afafcf", +"#D c #afb7d0", +"#E c #b07f50", +"#F c #b07f5f", +"#G c #b0a08f", +"#H c #b0a79f", +"#I c #b0a8af", +"#J c #b0afa0", +"#K c #b0b0b0", +"#L c #b0c7ef", +"#M c #bf875f", +"#N c #bfa89f", +"#O c #bfaf9f", +"#P c #bfb0a0", +"#Q c #bfb0af", +"#R c #bfb7b0", +"#S c #bfb8bf", +"#T c #c0b09f", +"#U c #c0b7af", +"#V c #c0b8af", +"#W c #c0b8bf", +"#X c #c0bfb0", +"#Y c #c0c0bf", +"#Z c #c0d0df", +"#0 c #cf9f6f", +"#1 c #cfc0b0", +"#2 c #cfc0c0", +"#3 c #cfd7f0", +"#4 c #d0bfa0", +"#5 c #d0c8c0", +"#6 c #d0cfc0", +"#7 c #d0cfd0", +"#8 c #d0d7a0", +"#9 c #dfcfbf", +"a. c #dfd7cf", +"a# c #dfd7df", +"aa c #dfd8df", +"ab c #dfe0bf", +"ac c #dfe7ff", +"ad c #e0d7af", +"ae c #e0d7d0", +"af c #e0d8df", +"ag c #e0e0e0", +"ah c #efe0e0", +"ai c #efe7e0", +"aj c #efe7ef", +"ak c #efe88f", +"al c #efe8f0", +"am c #eff0a0", +"an c #f0e0c0", +"ao c #f0e7e0", +"ap c #f0e8e0", +"aq c #f0f0ef", +"ar c #f0f0ff", +"as c #f0f8ff", +"at c #fff7ff", +"au c #fff8f0", +/* pixels */ +"............................................#o#N#N#v#P..........", +"........................................#H#U#H#N#U#5ae#Y#H......", +"......................................#H#v#e#N#U#1aeaeahah#H....", +"....................................#H#v.1#d#O#Y#5aeahapaqaa#H..", +"..................................#H#N.1.M.7#Ya#aeagapatapap#5..", +"..................................#1#y.V.7#q#I#S#Ya#agajalalah#O", +"...................8#y.V.P.h.h...1a.#1#P#W#q.V.9#.#.#Kaaatauau#1", +".............8#y#q#y#I#R#Y#q.e.c#Papapaual#B.G###r#i.X#Calauau#1", +".........p.f.8#K#S#R#K#S#S#S#q.b#1auauauau.X#rakab#L.Y#iasauau#7", +".......p.l.j.n#d#K#R#R#S#K#K#S#p#Pauauauau#D#8amac#L.Y##auauaual", +".....p.j.e.p.i.q#d#A#I#W#W#Q#S#S#Pauauauau#D#Zacac#L#j#sauauauag", +"...m.p.m.f.e.i.l.S#Raaaaagalatal#Xauauatah#K#L#3ac#3#j#3auauau#6", +"...l.m.m.e.i.y#b.Laiauauauauauau#Pauauahafaf#7#r#r#i#Dauauauauae", +"...e.f.j.b.e#b.R.haaauauauauauau#Hahaoaf#5#6#7#K#h#Ba#ajauauag#H", +".D.D.l.b.a.f#M.h.#aaauauauauauau.P#5aeae#1#Y#6#w.2.9#g#z#7#7ae..", +".p.s.s.b.a.f#F.t.baiaualagahalag.E#dae#1#P#J#Y#y.F.C.N.W.2#f#H..", +".e.p.p.a.a.f#E.D.calau.F.#.u#n#2.K.f#4#X#x.8#y#A.F.o.w.C.7#H....", +".t.x.f.a.a.e#E.D.caqau.g.z.A.A#J.R.f.O#Y#U#f#y#P#N.M.v#d#x......", +"...i.c.b.a.f#E.D.calaq.Bad#G.d#I.E.#.q#o#N#X#P#P#P#v#A#x........", +"...e.a.a.b.f#t.x.capap.M.L.k.oae.D.#.K.R.f.B#Y#1#1#V............", +"...e.b.b.b.f#t.t.calau#P.n.n#Qau.y.#.R.R.#.c....................", +"...i.e.c.b.f#t.x.haqauau#Y#Yaqau.p.#.R.R.c.h....................", +"...l.c.e.e.j#t.s.tauau#6.q.q#Nau.h.c.T.0.c.j....................", +"...c.e.i.i.j#F.x.Dauau.U.S.1.q#5.D.c.5.R.c.j....................", +"...e.i.l.l.y#b.x.taq#5.A#4an.1#9.H.c#c.Z.c.p....................", +"...e.l.l.l.3.0.r.5auae.U#N#O#e#9.D.c#m.4.r.I....................", +"...c.r.x.r.0.J#t#0arau#9.6#d#9au.J.c.R.3.s.I....................", +"...e.x.y.y.3.3.Z#uauauauauauauah.Q.l.D.0.x......................", +".....l.H.I.Z#k.y#mauauauau#9#v.4.J.r............................", +".......y.I.J#k.x.3#T#q#m.3.Q.Q.y.s..............................", +".........y.Z#t#l#a.Z.J.y.H.x....................................", +"...........y#l.I.x.x.x.........................................." +}; +SIMPLE = T +BITPIX = 8 +NAXIS = 2 +NAXIS1 = 32 +NAXIS2 = 32 +HISTORY Written by XV 3.10 +END + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +SSSSSDxNCCCSSSSSSSSSSSSSSSSSSSSSSSSSDdxmdRDMCSSSSSSSSSSSSSSSSSSSSSDNRzCk˛
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(.C%ééib9KŮ +M Wa.UżÂšSSSSSSS/%( .M%ëďUÓ˘)ŤQ EŽ˝˛˛˛ŠĽSSSSDC. .M%ďů4LRRa.lż¸Ľ˛ŽiTĽSSS +.:: .M%ëůk OĹW.Ŕ˝ĽĽŠkK[b¨SS:==( .D(čůëŕĺëŕQŮ²żĽkbv¨SMM4( .8 Űůůůůůů +uÉŮŮ¿ͤŤĎĎŮSS..2(.wa8Űůůůůůů¨ĺéŰÉÍĎ°˘ŤŰëůůŕ¨S4::./Dwbčůůůůůů˛ůůĺŰŰĎŽ¸ůůůůŮ +S:::../4e¸ŰŰŕëűë˝ůůűĺ°ĹŘčŘąŘůůůÍSS:2.:/EŠŤťťľťť˛ůůůů¸ĚččĹąľůůůŕSSS:42E°¸¸ť°°ť +˛ůůůů¸ĚăčĹĽůůůëSSSS:.°ť¸°ťťť(ÂůůůůÜÚĹŽöůůĎSSSSSSĽĽŤ¸ż.%˛ééůëŤxĽŽ´ëůů +SSSSSSSSSĽu88SŘ²ť°ŰűůůÂSSSSSSSSSSSSSSSSSÂĽŤťżŰŕëëëĺ˛SSSSSSSSSSSSSSSS +S¨ŽiżŰŮŕéűééÉSSSSSSSSSSSSSSSSSSS¨˛żÉŮĺéďۨSSSSSSSSSSSSSSSSSSSS¨Ž¸ÂŮŮĺĺ¨SSSSSSSSSSSSSSSSSSSSSS¨¸¨Ž¸ÉŮż¨SSSSSSSSSSSSSSSSSSSSSSSSSŽŽ˛SSSSS diff --git a/examples/demo/opengl/texture.xpm b/examples/demo/opengl/texture.xpm new file mode 100644 index 0000000..3c423e9 --- /dev/null +++ b/examples/demo/opengl/texture.xpm @@ -0,0 +1,130 @@ +/* XPM */ +static char *Monalisa[] = { +/* width height num_colors chars_per_pixel */ +" 48 48 27 1", +/* colors */ +". c #000000", +"# c #281808", +"a c #38240c", +"b c #492c10", +"c c #553414", +"d c #593818", +"e c #5a5a5a", +"f c #65411c", +"g c #794d24", +"h c #7d5124", +"i c #86592c", +"j c #966534", +"k c #9a6938", +"l c #aa7545", +"m c #ae7949", +"n c #b68251", +"o c #be8a59", +"p c #c79665", +"q c #cf9e6d", +"r c #d3a275", +"s c #d7aa7d", +"t c #dfb28a", +"u c #e3ba92", +"v c #ebc7a6", +"w c #ebcbae", +"x c #ffffff", +"y c None", +/* pixels */ +"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee", +"e..............................................x", +"e.oppqnnoononoonnoonpppooqpooonopppqppoonnpoopox", +"e.oloonpnoonpooooopnpolljjllnpnqoopooopnnnnpoopx", +"e.looooopnoonpoppoplifbbbbccdgloppppoqpoooopoqqx", +"e.ooopqppqpoopopppibbdcababbddcdloppqoolpnppppqx", +"e.pporpppppqppqoogbcdgabbbbbaccdckppqqpoopoqrrrx", +"e.rpqqqooppoprrrgbccgdbcbbaababccbjppqqppopoqrrx", +"e.pqppqsqpppqrrkbbdilkigcbabbabbdcclpqpqopppqqqx", +"e.oqqqppqpqqrtpcgnrstrrnmifbbbbccccdnpqrqqqoqqqx", +"e.qpqpqpqpqstrjdnruwwwusrnigcbabccdchrrsrqrqqprx", +"e.oqqpqqpqrttoajrvwwwwwwrrlhdbbaacdcborqrrrrqrrx", +"e.qqqrrtrstwtfdntwvvwvwwuqmjgcbbbacbbirqpqrrrrsx", +"e.qrrrrrrrtvofdntwvwwvwutpmkidcbaaababpnopppprrx", +"e.srprrrprspidhouwwvvwvtsrpnkjfbbaaaabjknnmnpprx", +"e.rrsrrssssoddiruvvvvwvwttrrokgccbbabagjkkkmpnpx", +"e.stwrwrwrvkddipuuvvvvtssrrpnkfdcbbaaafiijkllmnx", +"e.lnrsrwrvpjddfppoqutslllmmkjifcddbbbbffhiklknmx", +"e.kjjrsrwrmfddffkkjpslfilifdbhgcccbbbbcfgghjkkkx", +"e.ijjrwrrrofdddblafmtiimmahfklhbccbabacfffgjjjhx", +"e.hjjppklonddakoonlrtilrrnkornicccbbaacgfggfihfx", +"e.fhfkiidjkdbakttrsrtmosstttrmhddddcbcbdffhkfghx", +"e.dffafhfffhaairuutusqmwuwurplhdfddcdccggggghffx", +"e.dddddfdddaddhruututnrswutrlkfcdfdfdcchjjkkmmkx", +"e.daffdadaddaadrstrutomustsokffddddcdccddfhihjkx", +"e.fgddddabadddalrsotpiktutpmkidcddfddcdddddghfgx", +"e.fcddddbabbdbainrsnfairspnkigdcdfccdcccdddddfdx", +"e.ddddbbddbbbadfmlsrkmmmmomkjgddfdfgdccdfffffffx", +"e.ddcdadbbabddahlnlnmiiioonlffdbfdccddddfffffffx", +"e.cdbbdbdcbcdbdakorrmmkmopniifdcddddcddddffgfgfx", +"e.cddcbdddcabddadkrqmlmmnlkfhdbccccddcccdfdfgfgx", +"e.dgffffhhcfadbddalsvtonkjffddcdccddcdccdggfgggx", +"e.dcdddffgdadddbadaoqomkffffdbbbcbdddcbccfffgfgx", +"e.cdddgilkfbcdbdaaaaiffffdfdbddbccddccbbcffdfgfx", +"e.fhggghkkhddbdbaaaaadfafddbfbddccccbcbbcfddfgdx", +"e.hkhmllkkidabdbbaaaafdfadbddffdcbabbbbabdffdfgx", +"e.imlllhliifddbbb#baakjffddfhhhfcbdbbbbbbfdfiffx", +"e.hljhllhjhfbdbbaaadafmlkihhhiihdbbbbabbbdfgghgx", +"e.dhlggiiigdccdbaa#abgmlmkkjkklkhdbdbbdaabbccccx", +"e.hbadfdcbcbaabaaabdfimnnmllmnmkiddbdddbbbabddcx", +"e.gbbabbbabbbcbbbbbinrppoonppppojfdffddcbbabcbcx", +"e.dba#abcbabcbcbdhknrtrtrrrrrrroliffidccccbdcghx", +"e.fbab#acbbcbbccinsrtttssttwssrpkfigifcbbcbbbcfx", +"e.daacbbdcbbbbdborpwttwwttwswsrpmigfgdbbdbbbbcdx", +"e.dcccbcddcbddfirtuwwwswswswrwprlfigfdcddccbacdx", +"e.fdcdcddbbcddgmrswwwuwtswwtwsrpjiiffccbcfddcbcx", +"e.fdfhccbbbbfhiowwswwwtwutwttwrpjfiggbcdhgdfcbbx", +"exxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +}; +SIMPLE = T +BITPIX = 8 +NAXIS = 2 +NAXIS1 = 48 +NAXIS2 = 48 +HISTORY Written by XV 3.10 +COMMENT the GIMP was here +END + + + + + + + + + + + + + + + + + + + + + + + + + + + + +Z˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙ZG>GY::1111GYaŃѲŃŃŃťŃÁťŃťťŃŤ +nGaUU1:>YU>G:11˙ZG>:>:>>11:>>UŤ˛ŃŃŃÁŃť˛ŃѝѲŤnaaGG::1:G>>:1:˙Z>:::1:>>:1>>Ga +ŤťÁŃŃѲѲѲээGaUG>:>>::1':>˙Z>'':11>:1111>1ŤŃťťŃŃťťŃ˛Ń˛ŤaUGU>11>1111:>˙ +ZG1'1':11:11::a˛Ťťťť˛˛ťťŃ˛˛ŤrGaUaG:11:111:G˙Z>1''1:1'1:1:1>YrŤťŤťŤŤŤŤŤŤŤ +aGGa>::::1>:UY˙ZU11'111'111:11111aŤnG>GG>>:11'1:1:˙ZY1'>G>:1:1''1' +''1>Gara>>1>>>111'1>>:˙Z>YUUaaaU>::>1'''1UrrnrrrY>1>11>''11::::˙ +ZYnYYnYG1>11'''>'GraYYYaaY>1111'111>GUUYU˙ZaYaaG>>1111''rnGG>>GYYYG +:1>111111G>GaGG˙ZYrYrra>'1>11''''G>G'>1>>GG>:1'1111'1>GG>GU˙ZGYUUUYrrY>>1>1 +'''''>G'G>>1G1>>::::1:11:G>>GU>˙Z:>>>UarG1:>1>''''aGGGG>G>1>>1::>>::11:GG>GUG˙ +Z>:>>>GGU>'>>>1'>'§rGGGG>111:1>>>:1::GGGUGU˙Z>UGGGGYY:G'>1>>'˛ÎťrnGG>>:> +::>>:>::>UUGUUU˙Z:>>:1>>>:'1>>'>rŤ§rGY>1::::>>:::>G>GUGU˙Z:>11>1>:1:>1>' +rŤŤraaG>:>>>>:>>>>GGUGUG˙Z>>:>'>11'1>>'YaaaGG>1G>::>>>>GGGGGGG˙Z>>>>11>>111'>G˛ŤrrnU>>G>GU>::>GGGGGGG˙ZG:>>>>1'11>1'aŤ˛G'aŤ˛raU>:>G::>:::>>>>>G>˙ZGU>>>>'1'>>>'Ť˛ťarťÁťra>:>>G>>:>>>>>UYGU˙Z>'GG>'>'>>''>Ť˛ťŤÁťÁ˛ť˛rGG>>>>:>::>>GYaYnr˙Z>>>>>G>>>'>>YŤÁÁťÁťŤ˛ŃÁťŤrG:>G>G>::Ynnrrr˙Z>GG'GYGGGY''aŤÁÁťÁ˛§ŃÁŃÁŤY>G>>:>::UUUUUYGG˙ZGYGraa>nr>1'rťťŤ˛Ťť˛˛ťťťŤY>>>>:1:1>GGYrGUY˙ZYnnr>>'rŤťaŤŤrŤa:::11'':UGUUGaYG˙ZannŤŃŤŤŤG>>>1'Gťaa'YGrY1::1'1':GGGUnnnY˙ZrnnŤ˛ŤŃŤG>>GGrrn˛GaaG>1YU:::1111:GUUYnrrr˙ZŤ˛ŤŃŤÎn>>G§Áť˛rnaG:>>1111GGYarr˙Z˛ťŃŤŃŤŃŤÎr>>aÁÁÎÎÎÎť˛˛ŤŤrG>:11'''Gaanr˙ZŤŤ˛ŤŤ˛˛˛˛>>aŤÁÎÎÎÎŃÎŃťťŤŤrU::11'1'Unrrr˙Z˛ŤŤŤŤŤ˛a>YÁŃŃÎÎŃÎť˛ŤrnG11''''1nrŤ˙Z§ŤŤŤŤŤŤŤťÎG>ťŃÎŃŃÎŃÁťra>:1'''1'1ŤŤ˙Z§§§ŤŤťŤ˛ťŃťG>ťŃÎÎŃÎŃŃÁ§nU:111':11aŤ§§ŤŤŤŤ˛˙Z§§§§§Ťťť'nŤÎŃŃŃŃŃŃŤŤY>11'':>:1Ť§ŤŤŤŤ§ŤŤ˙Z§§§§§˛ťŤn>ŤÁŃŃŃÁ˛ŤaU:1'1::>:YŤŤ˛Ť§Ť§§Ť˙Z§§§§§§Ťť:UŤ˛ťŤŤaG1111::::>§Ť§§§§§§˙Z§§˛§§ŤŤr11>araU:1'11'11>::§§§§§˙ZŤ§§§ŤŤŤU1::U>1:11''1'1::1n§§§ŤŤ˙ZŤ§§U1:>U'11111'::>:r§§§ŤŤŤ˙Z§§a11>:'1'11>>:>§§˙ZaG1111::>U§§§˙Znn§˙Z§§§˙Z˙ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ diff --git a/examples/demo/opengl/wirebox.xpm b/examples/demo/opengl/wirebox.xpm new file mode 100644 index 0000000..77ca534 --- /dev/null +++ b/examples/demo/opengl/wirebox.xpm @@ -0,0 +1,155 @@ +/* XPM */ +static char * EscherCube_xpm[] = { +"48 48 104 2", +" c None", +". c #30C230C22081", +"X c #30C230C230C2", +"o c #30C2410330C2", +"O c #410330C24103", +"+ c #410341034103", +"@ c #514451445144", +"# c #514461855144", +"$ c #618551446185", +"% c #618561856185", +"& c #71C671C671C6", +"* c #71C6820771C6", +"= c #965882078617", +"- c #861792488617", +"; c #965892489658", +": c #9658A2899658", +"> c #9E79A2899E79", +", c #AEBAAEBA9E79", +"< c #AEBAAEBAAEBA", +"1 c #AEBABEFBAEBA", +"2 c #BEFBBEFBBEFB", +"3 c #CF3CBEFBCF3C", +"4 c #CF3CCF3CCF3C", +"5 c #DF7DCF3CCF3C", +"6 c #DF7DDF7DCF3C", +"7 c #DF7DDF7DDF7D", +"8 c #EFBEDF7DDF7D", +"9 c #DF7DEFBEDF7D", +"0 c #EFBEDF7DEFBE", +"q c #EFBEEFBEDF7D", +"w c #208130C22081", +"e c #410351445144", +"r c #514451446185", +"t c #71C6618571C6", +"y c #861771C68617", +"u c #9E7992489E79", +"i c #9E79AEBA9E79", +"p c #BEFBAEBABEFB", +"a c #BEFBCF3CBEFB", +"s c #BEFBCF3CCF3C", +"d c #CF3CCF3CDF7D", +"f c #CF3CDF7DCF3C", +"g c #DF7DDF7DEFBE", +"h c #208120812081", +"j c #30C2208130C2", +"k c #410330C230C2", +"l c #4103410330C2", +"z c #410351444103", +"x c #618551445144", +"c c #618561855144", +"v c #618571C66185", +"b c #861771C671C6", +"n c #8617820771C6", +"m c #965882079658", +"M c #9E7992489658", +"N c #AEBAA289AEBA", +"B c #BEFBAEBAAEBA", +"V c #DF7DCF3CDF7D", +"C c #CF3CDF7DDF7D", +"Z c #208120811040", +"A c #965892488617", +"S c #104020812081", +"D c #861782078617", +"F c #861792489658", +"G c #965892489E79", +"H c #104020811040", +"J c #208110402081", +"K c #30C220812081", +"L c #BEFBBEFBCF3C", +"P c #104010401040", +"I c #208110401040", +"U c #618571C671C6", +"Y c #71C671C68617", +"T c #71C682078617", +"R c #CF3CBEFBBEFB", +"E c #CF3CCF3CBEFB", +"W c #000010401040", +"Q c #104010402081", +"! c #9E79AEBAAEBA", +"~ c #104010400000", +"^ c #AEBAA2899E79", +"/ c #71C671C66185", +"( c #000010400000", +") c #000000000000", +"_ c #104000001040", +"` c #2081208130C2", +"' c #9658A2899E79", +"] c #104000000000", +"[ c #000000001040", +"{ c #30C241034103", +"} c #9E79A289AEBA", +"| c #AEBABEFBBEFB", +" . c #514461856185", +".. c #9E79A2899658", +"X. c #71C661856185", +"o. c #30C230C24103", +"O. c #514441035144", +"+. c #514451444103", +"@. c #410341035144", +"#. c #AEBAAEBABEFB", +"$. c #208130C230C2", +"%. c #6185618571C6", +"&. c #514441034103", +"*. c #861782079658", +" . X o O + @ # $ % & * = - ; : > , < 1 2 2 3 4 5 6 7 7 8 9 0 q ", +" w X X O + @ e r % t & y - ; : u i < < p a 3 s d f 7 7 g 9 0 9 ; ", +" h j X k l + z x c t v b n m ; M > N < B 2 2 a 3 4 V 6 7 7 0 9 m ; ", +" h h w X f d f d f V f V f 7 f 7 C 7 f V f V f d f V f 7 9 g 9 m ; ; ", +" Z h w j - 4 4 5 4 5 4 5 4 V f V 6 V f V f V 4 5 4 5 4 V 7 7 7 m A ; ; ", +" S h h j - D s 4 4 4 4 4 4 4 4 d f V f d f d 4 d 4 4 4 V C 7 7 m - ; F G ", +" H J Z K * D D m ; M 5 4 V 7 = D m - ; ; ", +" H h S h * y D L F ; : 4 f V C D D m a ; ; G ", +" P I H J & b n 2 2 m A M 3 4 5 f y D = 2 2 A ; ; ", +" P P H J U Y & p 1 2 - ; : 4 4 d f y T D 1 p 1 ; F G ", +" P P H J % t & < < < m ; u R E 4 f b * y B < < A ; ; ", +" W P P Q % t v < ! < - ; : L a 4 4 & * y < < ! ; ; G ", +" ~ P ~ I c $ % > ^ > m ; M 2 2 3 4 t / b ^ i ^ ; M ; ", +" ( P W P # $ % > > > F ; : p a 3 s t U & > > > ; ; G ", +" ) _ ( _ @ $ # M ; u m ; u p 2 2 a % v t M ; u ; M ; ", +" ( _ ( P P P H h h ` w X o : ; F F ; : & * D - G ' > i < 1 2 a % v t : ; F ; : u ", +" ) ] ( _ ~ P P I Z h w j X O m - m ; ; M & y - m ; > i N < 2 2 $ c % m - m ; M : ", +") [ ( _ W P P Q H h h j X O { D D - F G : y T m ; u > } < p | r .% D D - G : u ", +"V f 5 4 5 f V f V f V f V f V y * y m ; u f 5 f V f 5 4 V f x @ $ y * y : u ..", +"4 d f 4 f d f d 4 d f V f V f U & U F G : d f d f d f 4 4 d @ r # U & U G : > ", +"3 4 3 E 4 E 4 4 3 4 4 4 5 4 5 t v X.; ; u 4 4 4 4 E 4 E 3 4 @ @ x t v X.; u ..", +"a 4 a o.{ + .% v ; G > 3 a 4 e @ # .% v u ' > ", +"3 2 3 X O o $ # $ ; ; u 2 3 2 O.+.@ $ # $ : u > ", +"a 2 a X o + @ @ @ ; u ' 2 2 2 z @ @ @ @ @ u > } ", +"p < p X k l O.z O.; : u 1 p < O.+.@ O.z O...> i ", +"1 < 1 o.o + @.z @.; G > #.1 < z O.@ + @.z > > } ", +"N , N X O o l + o ; ; u 1 1 1 O.+.@ O l + : u > ", +"i } i o.o + O o o.; u o + z @ # % v } i } e @ @ } < #.| L a 4 f V o o.o G ' > ", +"> ..u o O + . X . ; o O + O.@ $ % & u u ..@ @ x , < 1 2 2 3 4 5 6 X . X ; u ..", +"' u : O + + j $.j $.o.{ O.e r % %.U G : u @ r # < < p 2 3 s d f 7 $.j $.u : u ", +"; A M l + + h j . K h j h K h h h h ; ; A x @ $ h h h h h K h j 6 7 7 0 : u ..", +"- m - + { @. h h w %.w h h h h h S h S m - m # r # h S h S h h h f 7 9 g F G : ", +"y D D l + + Z h h t % h Z J Z J Z J Z J D y D x # $ H J Z J Z J f V 7 7 - M ; ", +"* y * + z O. S h h & U t y * y @ $ . 4 d C 7 - m ; ", +"& / b l + + P J Z y & t & & / x c $ E 5 4 V n = D ", +"v %.v + z O. H J H D * & & v %.# % . a 4 f V * D - ", +"X.% % + &.z P P H D n y c $ % $ c $ a 3 4 V * y D ", +"# $ # + z @ P P H J m - D $ # $ # $ % 2 3 4 d * y T ", +"@ @ x + + z W P P Q m D m @ @ @ $ c % 2 R E 4 & b * ", +"z O.e + z @ P ~ I ; ; *. @ z O. .% % L s 4 U & * ", +"&.+ &.l &.+.W P M ; m + &.+ $ c X.2 3 v t & ", +"{ + { @.z O._ u ' ; + { + .$ % 3 v t & ", +"O o k + O.P P P H h h ` w X o l + z @ c X./ b n m ; u o O o $ % % % t v ", +"$.X $.@._ ~ P P I Z h w j X O + + @ # % v & * D - ; : X $.X .% v %.v ", +"j . j _ W P P Q H h h j X O { + &.@ $ c t & y D m ; > . j . % c X.% ", +"w j w ` w j w ` w ` h ` h h S h h h h ` h ` w ` w j w ` w j .% % ", +"h h K h h h h h h h J h J H J Z J H J h h h h h h h J h h h $ % ", +"S h h h H h S h S h S h H Q H J H Q H h H h S h S h S h S h . "}; |
