#include #include #include #include "tqtcairopainter.h" // TQt3 test image only #include void drawColorWheel(TQPainter *p, double scale) { TQFont f( "times", 18, TQFont::Bold ); p->setFont( f ); p->setPen(TQt::black); p->setWindow( 0, 0, 500*scale, 500*scale ); // defines coordinate system for ( int i=0; i<36; i++ ) { // draws 36 rotated rectangles TQWMatrix matrix; matrix.translate( 250.0F*scale, 250.0F*scale ); // move to center matrix.shear( 0.0F*scale, 0.3F*scale ); // twist it matrix.rotate( (float)i*10 ); // rotate 0,10,20,.. degrees p->setWorldMatrix( matrix ); // use this world matrix TQColor c; c.setHsv( i*10, 255, 255 ); // rainbow effect p->setBrush( c ); // solid fill with color c p->drawRect( 70*scale, -10*scale, 80*scale, 10*scale ); // draw the rectangle TQString n; n.sprintf( "H=%d", i*10 ); p->drawText( (80+70+5)*scale, 0, n ); // draw the hue number } } void runTests(TQPaintDevice* pd) { TQPainter p(pd); // Rectangle tests { p.setPen(TQPen(TQt::red, 1)); p.drawRect(5, 5, 50, 50); TQBrush brush( TQt::yellow, TQBrush::DiagCrossPattern ); // yellow pattern p.setBrush( brush ); // set the yellow brush p.setPen( TQt::NoPen ); // do not draw outline p.drawRect( 0,0, 25,25 ); // draw filled rectangle TQBrush brush2( TQt::green, TQBrush::SolidPattern ); // green pattern p.setBrush( brush2 ); // set the yellow brush p.setPen( TQt::NoPen ); // do not draw outline p.drawRect( 40,30, 200,100 ); // draw filled rectangle p.setBrush( TQt::NoBrush ); // do not fill p.setPen( TQt::blue ); // set blue pen, 0 pixel width p.drawRect( 10,10, 30,20 ); // draw rectangle outline TQBrush brush3( TQColor(255,128,0), TQBrush::SolidPattern ); // green pattern p.setBrush( brush3 ); // set the yellow brush p.setPen( TQColor(255,0,255) ); // draw outline p.drawRect( 50,40, 180,80 ); // draw filled rectangle } // Line tests { p.setPen( TQt::blue ); // set blue pen, 0 pixel width p.drawLine(140,140, 160,160); } // Point tests { p.setPen( TQt::green ); // set green pen, 0 pixel width p.drawPoint(135,135); } // Polyline tests { TQPointArray a; int x1 = 250; int y1 = 10; a.setPoints( 11, x1+0, y1+85, x1+75, y1+75, x1+100, y1+10, x1+125, y1+75, x1+200, y1+85, x1+150, y1+125, x1+160, y1+190, x1+100, y1+150, x1+40, y1+190, x1+50, y1+125, x1+0, y1+85 ); p.setPen(TQt::red); p.drawPolyline(a); } // Polyfill tests { TQPointArray a; int x1 = 250; int y1 = 200; a.setPoints( 11, x1+0, y1+85, x1+75, y1+75, x1+100, y1+10, x1+125, y1+75, x1+200, y1+85, x1+150, y1+125, x1+160, y1+190, x1+100, y1+150, x1+40, y1+190, x1+50, y1+125, x1+0, y1+85 ); p.setPen(TQt::blue); p.setBrush(TQt::green); p.drawPolygon(a); } // Rounded rectangle tests { p.setBrush(TQt::green); p.setPen(TQPen(TQt::red, 1)); p.drawRoundRect(10, 150, 50, 50); p.setBrush(TQBrush()); p.setPen(TQPen(TQt::blue, 1)); p.drawRoundRect(80, 150, 50, 50); } // Ellipse tests { p.setBrush(TQt::green); p.setPen(TQPen(TQt::red, 1)); p.drawEllipse(10, 220, 50, 50); p.setBrush(TQBrush()); p.setPen(TQPen(TQt::blue, 1)); p.drawEllipse(80, 220, 50, 50); } // Arc tests { p.setBrush(TQBrush()); p.setPen(TQPen(TQt::yellow, 1)); p.drawArc(10,10, 70,100, 100*16, 160*16); // draws a "(" arc } // Pie tests { p.setBrush(TQBrush()); p.setPen(TQPen(TQt::red, 1)); p.drawPie(250, 400, 200, 100, 45*16, 90*16); p.setBrush(TQt::green); p.setPen(TQPen(TQt::blue, 1)); p.drawPie(250, 450, 200, 100, 45*16, 90*16); } // Chord tests { p.setBrush(TQBrush()); p.setPen(TQPen(TQt::red, 1)); p.drawChord(100, 400, 200, 100, 45*16, 90*16); p.setBrush(TQt::green); p.setPen(TQPen(TQt::blue, 1)); p.drawChord(100, 450, 200, 100, 45*16, 90*16); } // Line segment tests { TQPointArray a; int x1 = 10; int y1 = 400; a.setPoints( 4, x1+0, y1+85, x1+75, y1+75, x1+0, y1+95, x1+75, y1+85 ); p.setPen(TQColor(255,128,0)); p.drawLineSegments(a); } // Bezier curve tests { TQPointArray a; int x1 = 100; int y1 = 400; a.setPoints( 4, x1+0, y1+85, x1+75, y1+75, x1+0, y1+95, x1+75, y1+85 ); p.setPen(TQColor(0,128,255)); p.drawCubicBezier(a); } // Pixmap tests { TQPixmap pixmap("open.png"); p.drawPixmap(200, 10, pixmap, 0, 0, -1, -1); } // Font tests { p.setPen(TQColor(0,128,255)); static const char *fonts[] = { "Helvetica", "Courier", "Times", 0 }; static int sizes[] = { 10, 12, 18, 24, 36, 0 }; int f = 0; int y = 0; while ( fonts[f] ) { int s = 0; while ( sizes[s] ) { TQFont font( fonts[f], sizes[s] ); p.setFont( font ); TQFontMetrics fm = p.fontMetrics(); y += fm.ascent(); p.drawText( 10, y, "TQt3 renders via Cairo!" ); y += fm.descent(); s++; if (y > 500) { break; } } f++; if (y > 500) { break; } } p.setPen(TQColor(255,128,0)); p.drawText( TQRect(250, 250, 250, 250), 0, TQString("TQt3 renders via Cairo!") ); } // Clipping tests { p.setBrush(TQBrush(TQt::green)); p.setPen(TQPen(TQt::blue, 1)); TQRect boundary(400, 10, 100, 100); TQRegion rectRegion(425,35,50,50); p.setClipRegion(rectRegion); p.fillRect(boundary, TQBrush(TQt::green)); } //drawColorWheel(&p, 0.5); //drawColorWheel(&p, 1.0); p.end(); } int main (int argc, char *argv[]) { cairo_surface_t *surface; cairo_t *cr; surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 500, 500); // cr = cairo_create (surface); // /* Examples are in 1.0 x 1.0 coordinate space */ // cairo_scale (cr, 120, 120); // // /* Drawing code goes here */ // cairo_set_line_width (cr, 0.1); // cairo_set_source_rgb (cr, 0, 0, 0); // cairo_rectangle (cr, 0.25, 0.25, 0.5, 0.5); // cairo_stroke (cr); // Initialize TQApplication required data structures new TQApplication(argc, argv, TRUE); TQt3CairoPaintDevice pd(surface); runTests(&pd); /* Write output and clean up */ cairo_surface_write_to_png (surface, "stroke.png"); // cairo_destroy (cr); cairo_surface_destroy (surface); // Render a TQt3 native test image TQPixmap pm(500, 500); pm.fill(TQt::black); runTests(&pm); pm.save("tqt3.png", "PNG"); return 0; }