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Diffstat (limited to 'kolourpaint/tools/kptoolpolygon.cpp')
| -rw-r--r-- | kolourpaint/tools/kptoolpolygon.cpp | 895 |
1 files changed, 895 insertions, 0 deletions
diff --git a/kolourpaint/tools/kptoolpolygon.cpp b/kolourpaint/tools/kptoolpolygon.cpp new file mode 100644 index 00000000..fb68745c --- /dev/null +++ b/kolourpaint/tools/kptoolpolygon.cpp @@ -0,0 +1,895 @@ + +/* + Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define DEBUG_KP_TOOL_POLYGON 0 + +#include <kptoolpolygon.h> + +#include <float.h> +#include <math.h> + +#include <qbitmap.h> +#include <qcursor.h> +#include <qlayout.h> +#include <qpainter.h> +#include <qpoint.h> +#include <qpushbutton.h> +#include <qrect.h> +#include <qtooltip.h> +#include <qvbuttongroup.h> + +#include <kdebug.h> +#include <klocale.h> + +#include <kpcommandhistory.h> +#include <kpdocument.h> +#include <kpdefs.h> +#include <kpmainwindow.h> +#include <kppixmapfx.h> +#include <kptemppixmap.h> +#include <kptooltoolbar.h> +#include <kptoolwidgetlinewidth.h> +#include <kpviewmanager.h> + + +#if DEBUG_KP_TOOL_POLYGON +static const char *pointArrayToString (const QPointArray &pointArray) +{ + static char string [1000]; + string [0] = '\0'; + + for (QPointArray::ConstIterator it = pointArray.begin (); + it != pointArray.end (); + it++) + { + QString ps = QString (" (%1, %2)").arg ((*it).x ()).arg ((*it).y ()); + const char *pss = ps.latin1 (); + if (strlen (string) + strlen (pss) + 1 > sizeof (string) / sizeof (string [0])) + break; + strcat (string, pss); + } + + return string; +} +#endif + + +static QPen makeMaskPen (const kpColor &color, int lineWidth, Qt::PenStyle lineStyle) +{ + return QPen (color.maskColor (), + lineWidth == 1 ? 0/*closer to looking width 1*/ : lineWidth, lineStyle, + Qt::RoundCap, Qt::RoundJoin); +} + +static QPen makePen (const kpColor &color, int lineWidth, Qt::PenStyle lineStyle) +{ + if (color.isOpaque ()) + { + return QPen (color.toQColor (), + lineWidth == 1 ? 0/*closer to looking width 1*/ : lineWidth, lineStyle, + Qt::RoundCap, Qt::RoundJoin); + } + else + return Qt::NoPen; +} + +static QBrush makeMaskBrush (const kpColor &foregroundColor, + const kpColor &backgroundColor, + kpToolWidgetFillStyle *toolWidgetFillStyle) +{ + if (toolWidgetFillStyle) + return toolWidgetFillStyle->maskBrush (foregroundColor, backgroundColor); + else + return Qt::NoBrush; +} + +static QBrush makeBrush (const kpColor &foregroundColor, + const kpColor &backgroundColor, + kpToolWidgetFillStyle *toolWidgetFillStyle) +{ + if (toolWidgetFillStyle) + return toolWidgetFillStyle->brush (foregroundColor, backgroundColor); + else + return Qt::NoBrush; +} + +static bool only1PixelInPointArray (const QPointArray &points) +{ + if (points.count () == 0) + return false; + + for (int i = 1; i < (int) points.count (); i++) + { + if (points [i] != points [0]) + return false; + } + + return true; +} + +static QPixmap pixmap (const QPixmap &oldPixmap, + const QPointArray &points, const QRect &rect, + const kpColor &foregroundColor, kpColor backgroundColor, + int lineWidth, Qt::PenStyle lineStyle, + kpToolWidgetFillStyle *toolWidgetFillStyle, + enum kpToolPolygon::Mode mode, bool final = true) +{ + // + // figure out points to draw relative to topLeft of oldPixmap + + QPointArray pointsInRect = points; + pointsInRect.detach (); + pointsInRect.translate (-rect.x (), -rect.y ()); + +#if DEBUG_KP_TOOL_POLYGON && 0 + kdDebug () << "kptoolpolygon.cpp: pixmap(): points=" << pointArrayToString (points) << endl; +#endif + + + // + // draw + + QPen pen = makePen (foregroundColor, lineWidth, lineStyle), + maskPen = makeMaskPen (foregroundColor, lineWidth, lineStyle); + QBrush brush = makeBrush (foregroundColor, backgroundColor, toolWidgetFillStyle), + maskBrush = makeMaskBrush (foregroundColor, backgroundColor, toolWidgetFillStyle); + + QPixmap pixmap = oldPixmap; + QBitmap maskBitmap; + + QPainter painter, maskPainter; + + if (pixmap.mask () || + (maskPen.style () != Qt::NoPen && + maskPen.color () == Qt::color0/*transparent*/) || + (maskBrush.style () != Qt::NoBrush && + maskBrush.color () == Qt::color0/*transparent*/)) + { + maskBitmap = kpPixmapFX::getNonNullMask (pixmap); + maskPainter.begin (&maskBitmap); + maskPainter.setPen (maskPen); + maskPainter.setBrush (maskBrush); + + #if DEBUG_KP_TOOL_POLYGON && 0 + kdDebug () << "\tmaskPainter begin because:" << endl + << "\t\tpixmap.mask=" << pixmap.mask () << endl + << "\t\t(maskPenStyle!=NoPen)=" << (maskPen.style () != Qt::NoPen) << endl + << "\t\t(maskPenColor==trans)=" << (maskPen.color () == Qt::color0) << endl + << "\t\t(maskBrushStyle!=NoBrush)=" << (maskBrush.style () != Qt::NoBrush) << endl + << "\t\t(maskBrushColor==trans)=" << (maskBrush.color () == Qt::color0) << endl; + #endif + } + + if (pen.style () != Qt::NoPen || + brush.style () != Qt::NoBrush) + { + painter.begin (&pixmap); + painter.setPen (pen); + painter.setBrush (brush); + + #if DEBUG_KP_TOOL_POLYGON && 0 + kdDebug () << "\tpainter begin pen.rgb=" + << (int *) painter.pen ().color ().rgb () + << endl; + #endif + } + +#define PAINTER_CALL(cmd) \ +{ \ + if (painter.isActive ()) \ + painter . cmd ; \ + \ + if (maskPainter.isActive ()) \ + maskPainter . cmd ; \ +} + + // SYNC: Qt bug + if (only1PixelInPointArray (pointsInRect)) + { + PAINTER_CALL (drawPoint (pointsInRect [0])); + } + else + { + switch (mode) + { + case kpToolPolygon::Line: + case kpToolPolygon::Polyline: + PAINTER_CALL (drawPolyline (pointsInRect)); + break; + case kpToolPolygon::Polygon: + // TODO: why aren't the ends rounded? + PAINTER_CALL (drawPolygon (pointsInRect)); + + if (!final && 0/*HACK for TODO*/) + { + int count = pointsInRect.count (); + + if (count > 2) + { + if (painter.isActive ()) + { + QPen XORpen = painter.pen (); + XORpen.setColor (Qt::white); + + painter.setPen (XORpen); + painter.setRasterOp (Qt::XorROP); + } + + if (maskPainter.isActive ()) + { + QPen XORpen = maskPainter.pen (); + + // TODO??? + #if 0 + if (kpTool::isColorTransparent (foregroundColor)) + XORpen.setColor (Qt::color1/*opaque*/); + else + XORpen.setColor (Qt::color0/*transparent*/); + #endif + + maskPainter.setPen (XORpen); + } + + PAINTER_CALL (drawLine (pointsInRect [0], pointsInRect [count - 1])); + } + } + break; + case kpToolPolygon::Curve: + int numPoints = pointsInRect.count (); + QPointArray pa (4); + + pa [0] = pointsInRect [0]; + pa [3] = pointsInRect [1]; + + switch (numPoints) + { + case 2: + pa [1] = pointsInRect [0]; + pa [2] = pointsInRect [1]; + break; + case 3: + pa [1] = pa [2] = pointsInRect [2]; + break; + case 4: + pa [1] = pointsInRect [2]; + pa [2] = pointsInRect [3]; + } + + PAINTER_CALL (drawCubicBezier (pa)); + } + } +#undef PAINTER_CALL + + if (painter.isActive ()) + painter.end (); + + if (maskPainter.isActive ()) + maskPainter.end (); + + if (!maskBitmap.isNull ()) + pixmap.setMask (maskBitmap); + + return pixmap; +} + + +/* + * kpToolPolygon + */ + +kpToolPolygon::kpToolPolygon (Mode mode, + const QString &text, const QString &description, + int key, + kpMainWindow *mainWindow, const char *name) + : kpTool (text, description, key, mainWindow, name), + m_mode (mode), + m_toolWidgetFillStyle (0), + m_toolWidgetLineWidth (0) +{ +} + +kpToolPolygon::kpToolPolygon (kpMainWindow *mainWindow) + : kpTool (i18n ("Polygon"), i18n ("Draws polygons"), + Qt::Key_G, + mainWindow, "tool_polygon"), + m_mode (Polygon), + m_toolWidgetFillStyle (0), + m_toolWidgetLineWidth (0) +{ +} + +kpToolPolygon::~kpToolPolygon () +{ +} + +void kpToolPolygon::setMode (Mode m) +{ + m_mode = m; +} + + +// private +QString kpToolPolygon::haventBegunShapeUserMessage () const +{ + switch (m_mode) + { + case Line: + return i18n ("Drag to draw."); + case Polygon: + case Polyline: + return i18n ("Drag to draw the first line."); + case Curve: + return i18n ("Drag out the start and end points."); + default: + return QString::null; + } +} + +// virtual +void kpToolPolygon::begin () +{ + kpToolToolBar *tb = toolToolBar (); + +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "kpToolPolygon::begin() tb=" << tb << endl; +#endif + + if (tb) + { + if (m_mode == Polygon) + m_toolWidgetFillStyle = tb->toolWidgetFillStyle (); + else + m_toolWidgetFillStyle = 0; + + m_toolWidgetLineWidth = tb->toolWidgetLineWidth (); + + if (m_toolWidgetFillStyle) + { + connect (m_toolWidgetFillStyle, SIGNAL (fillStyleChanged (kpToolWidgetFillStyle::FillStyle)), + this, SLOT (slotFillStyleChanged (kpToolWidgetFillStyle::FillStyle))); + } + connect (m_toolWidgetLineWidth, SIGNAL (lineWidthChanged (int)), + this, SLOT (slotLineWidthChanged (int))); + + if (m_toolWidgetFillStyle) + m_toolWidgetFillStyle->show (); + m_toolWidgetLineWidth->show (); + + m_lineWidth = m_toolWidgetLineWidth->lineWidth (); + } + else + { + m_toolWidgetFillStyle = 0; + m_toolWidgetLineWidth = 0; + + m_lineWidth = 1; + } + + viewManager ()->setCursor (QCursor (CrossCursor)); + + m_originatingMouseButton = -1; + + setUserMessage (haventBegunShapeUserMessage ()); +} + +// virtual +void kpToolPolygon::end () +{ + endShape (); + + if (m_toolWidgetFillStyle) + { + disconnect (m_toolWidgetFillStyle, SIGNAL (fillStyleChanged (kpToolWidgetFillStyle::FillStyle)), + this, SLOT (slotFillStyleChanged (kpToolWidgetFillStyle::FillStyle))); + m_toolWidgetFillStyle = 0; + } + + if (m_toolWidgetLineWidth) + { + disconnect (m_toolWidgetLineWidth, SIGNAL (lineWidthChanged (int)), + this, SLOT (slotLineWidthChanged (int))); + m_toolWidgetLineWidth = 0; + } + + viewManager ()->unsetCursor (); +} + + +void kpToolPolygon::beginDraw () +{ +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "kpToolPolygon::beginDraw() m_points=" << pointArrayToString (m_points) + << ", startPoint=" << m_startPoint << endl; +#endif + + bool endedShape = false; + + // starting with a line... + if (m_points.count () == 0) + { + m_originatingMouseButton = m_mouseButton; + m_points.putPoints (m_points.count (), 2, + m_startPoint.x (), m_startPoint.y (), + m_startPoint.x (), m_startPoint.y ()); + } + // continuing poly* + else + { + if (m_mouseButton != m_originatingMouseButton) + { + m_mouseButton = m_originatingMouseButton; + endShape (); + endedShape = true; + } + else + { + int count = m_points.count (); + m_points.putPoints (count, 1, + m_startPoint.x (), m_startPoint.y ()); + + // start point = last end point; + // _not_ the new/current start point + // (which is disregarded in a poly* as only the end points count + // after the initial line) + // + // Curve Tool ignores m_startPoint (doesn't call applyModifiers()) + // after the initial has been defined. + m_startPoint = m_points [count - 1]; + } + } + +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "\tafterwards, m_points=" << pointArrayToString (m_points) << endl; +#endif + + if (!endedShape) + { + switch (m_mode) + { + case Line: + case Curve: + case Polygon: + case Polyline: + setUserMessage (cancelUserMessage ()); + break; + + default: + kdError () << "kpToolPolygon::beginDraw() shape" << endl; + break; + } + } +} + +// private +void kpToolPolygon::applyModifiers () +{ + int count = m_points.count (); + + m_toolLineStartPoint = m_startPoint; /* also correct for poly* tool (see beginDraw()) */ + m_toolLineEndPoint = m_currentPoint; + +#if DEBUG_KP_TOOL_POLYGON && 1 + kdDebug () << "kpToolPolygon::applyModifiers() #pts=" << count + << " line: startPt=" << m_toolLineStartPoint + << " endPt=" << m_toolLineEndPoint + << " modifiers: shift=" << m_shiftPressed + << " alt=" << m_altPressed + << " ctrl=" << m_controlPressed + << endl; +#endif + + // angles + if (m_shiftPressed || m_controlPressed) + { + int diffx = m_toolLineEndPoint.x () - m_toolLineStartPoint.x (); + int diffy = m_toolLineEndPoint.y () - m_toolLineStartPoint.y (); + + double ratio; + if (diffx == 0) + ratio = DBL_MAX; + else + ratio = fabs (double (diffy) / double (diffx)); + #if DEBUG_KP_TOOL_POLYGON && 1 + kdDebug () << "\tdiffx=" << diffx << " diffy=" << diffy + << " ratio=" << ratio + << endl; + #endif + + // Shift = 0, 45, 90 + // Alt = 0, 30, 60, 90 + // Shift + Alt = 0, 30, 45, 60, 90 + double angles [10]; // "ought to be enough for anybody" + int numAngles = 0; + angles [numAngles++] = 0; + if (m_controlPressed) + angles [numAngles++] = KP_PI / 6; + if (m_shiftPressed) + angles [numAngles++] = KP_PI / 4; + if (m_controlPressed) + angles [numAngles++] = KP_PI / 3; + angles [numAngles++] = KP_PI / 2; + + double angle = angles [numAngles - 1]; + for (int i = 0; i < numAngles - 1; i++) + { + double acceptingRatio = tan ((angles [i] + angles [i + 1]) / 2.0); + if (ratio < acceptingRatio) + { + angle = angles [i]; + break; + } + } + + // horizontal (dist from start !maintained) + if (fabs (KP_RADIANS_TO_DEGREES (angle) - 0) + < kpPixmapFX::AngleInDegreesEpsilon) + { + m_toolLineEndPoint = QPoint (m_toolLineEndPoint.x (), m_toolLineStartPoint.y ()); + } + // vertical (dist from start !maintained) + else if (fabs (KP_RADIANS_TO_DEGREES (angle) - 90) + < kpPixmapFX::AngleInDegreesEpsilon) + { + m_toolLineEndPoint = QPoint (m_toolLineStartPoint.x (), m_toolLineEndPoint.y ()); + } + // diagonal (dist from start maintained) + else + { + const double dist = sqrt (diffx * diffx + diffy * diffy); + + #define sgn(a) ((a)<0?-1:1) + // Round distances _before_ adding to any coordinate + // (ensures consistent rounding behaviour in x & y directions) + const int newdx = qRound (dist * cos (angle) * sgn (diffx)); + const int newdy = qRound (dist * sin (angle) * sgn (diffy)); + #undef sgn + + m_toolLineEndPoint = QPoint (m_toolLineStartPoint.x () + newdx, + m_toolLineStartPoint.y () + newdy); + + #if DEBUG_KP_TOOL_POLYGON && 1 + kdDebug () << "\t\tdiagonal line: dist=" << dist + << " angle=" << (angle * 180 / KP_PI) + << " endPoint=" << m_toolLineEndPoint + << endl; + #endif + } + } // if (m_shiftPressed || m_controlPressed) { + + // centring + if (m_altPressed && 0/*ALT is unreliable*/) + { + // start = start - diff + // = start - (end - start) + // = start - end + start + // = 2 * start - end + if (count == 2) + m_toolLineStartPoint += (m_toolLineStartPoint - m_toolLineEndPoint); + else + m_toolLineEndPoint += (m_toolLineEndPoint - m_toolLineStartPoint); + } // if (m_altPressed) { + + m_points [count - 2] = m_toolLineStartPoint; + m_points [count - 1] = m_toolLineEndPoint; + + m_toolLineRect = kpTool::neededRect (QRect (m_toolLineStartPoint, m_toolLineEndPoint).normalize (), + m_lineWidth); +} + +// virtual +void kpToolPolygon::draw (const QPoint &, const QPoint &, const QRect &) +{ + if (m_points.count () == 0) + return; + +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "kpToolPolygon::draw() m_points=" << pointArrayToString (m_points) + << ", endPoint=" << m_currentPoint << endl; +#endif + + bool drawingALine = (m_mode != Curve) || + (m_mode == Curve && m_points.count () == 2); + + if (drawingALine) + applyModifiers (); + else + m_points [m_points.count () - 1] = m_currentPoint; + +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "\tafterwards, m_points=" << pointArrayToString (m_points) << endl; +#endif + + updateShape (); + + if (drawingALine) + setUserShapePoints (m_toolLineStartPoint, m_toolLineEndPoint); + else + setUserShapePoints (m_currentPoint); +} + +// private slot +void kpToolPolygon::updateShape () +{ + if (m_points.count () == 0) + return; + + QRect boundingRect = kpTool::neededRect (m_points.boundingRect (), m_lineWidth); + +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "kpToolPolygon::updateShape() boundingRect=" + << boundingRect + << " lineWidth=" + << m_lineWidth + << endl; +#endif + + QPixmap oldPixmap = document ()->getPixmapAt (boundingRect); + QPixmap newPixmap = pixmap (oldPixmap, + m_points, boundingRect, + color (m_mouseButton), color (1 - m_mouseButton), + m_lineWidth, Qt::SolidLine, + m_toolWidgetFillStyle, + m_mode, false/*not final*/); + + viewManager ()->setFastUpdates (); + viewManager ()->setTempPixmap (kpTempPixmap (false/*always display*/, + kpTempPixmap::SetPixmap/*render mode*/, + boundingRect.topLeft (), + newPixmap)); + viewManager ()->restoreFastUpdates (); +} + +// virtual +void kpToolPolygon::cancelShape () +{ +#if 0 + endDraw (QPoint (), QRect ()); + commandHistory ()->undo (); +#else + viewManager ()->invalidateTempPixmap (); +#endif + m_points.resize (0); + + setUserMessage (i18n ("Let go of all the mouse buttons.")); +} + +void kpToolPolygon::releasedAllButtons () +{ + if (!hasBegunShape ()) + setUserMessage (haventBegunShapeUserMessage ()); + + // --- else case already handled by endDraw() --- +} + +// virtual +void kpToolPolygon::endDraw (const QPoint &, const QRect &) +{ +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "kpToolPolygon::endDraw() m_points=" << pointArrayToString (m_points) << endl; +#endif + + if (m_points.count () == 0) + return; + + if (m_mode == Line || + (m_mode == Curve && m_points.count () >= 4) || + m_points.count () >= 50) + { + endShape (); + } + else + { + switch (m_mode) + { + case Line: + kdError () << "kpToolPolygon::endDraw() - line not ended" << endl; + setUserMessage (); + break; + + case Polygon: + case Polyline: + if (m_points.isEmpty ()) + { + kdError () << "kpToolPolygon::endDraw() exception - poly without points" << endl; + setUserMessage (); + } + else + { + if (m_mouseButton == 0) + { + setUserMessage (i18n ("Left drag another line or right click to finish.")); + } + else + { + setUserMessage (i18n ("Right drag another line or left click to finish.")); + } + } + + break; + + case Curve: + if (m_points.size () == 2) + { + if (m_mouseButton == 0) + { + setUserMessage (i18n ("Left drag to set the first control point or right click to finish.")); + } + else + { + setUserMessage (i18n ("Right drag to set the first control point or left click to finish.")); + } + } + else if (m_points.size () == 3) + { + if (m_mouseButton == 0) + { + setUserMessage (i18n ("Left drag to set the last control point or right click to finish.")); + } + else + { + setUserMessage (i18n ("Right drag to set the last control point or left click to finish.")); + } + } + else + { + kdError () << "kpToolPolygon::endDraw() exception - points" << endl; + setUserMessage (); + } + + break; + + default: + kdError () << "kpToolPolygon::endDraw() - clueless" << endl; + setUserMessage (); + break; + } + } +} + +// public virtual +void kpToolPolygon::endShape (const QPoint &, const QRect &) +{ +#if DEBUG_KP_TOOL_POLYGON + kdDebug () << "kpToolPolygon::endShape() m_points=" << pointArrayToString (m_points) << endl; +#endif + + if (!hasBegunShape ()) + return; + + viewManager ()->invalidateTempPixmap (); + + QRect boundingRect = kpTool::neededRect (m_points.boundingRect (), m_lineWidth); + + kpToolPolygonCommand *lineCommand = + new kpToolPolygonCommand + (text (), + m_points, boundingRect, + color (m_mouseButton), color (1 - m_mouseButton), + m_lineWidth, Qt::SolidLine, + m_toolWidgetFillStyle, + document ()->getPixmapAt (boundingRect), + m_mode, + mainWindow ()); + + commandHistory ()->addCommand (lineCommand); + + m_points.resize (0); + setUserMessage (haventBegunShapeUserMessage ()); + +} + +// public virtual +bool kpToolPolygon::hasBegunShape () const +{ + return (m_points.count () > 0); +} + + +// public slot +void kpToolPolygon::slotLineWidthChanged (int width) +{ + m_lineWidth = width; + updateShape (); +} + +// public slot +void kpToolPolygon::slotFillStyleChanged (kpToolWidgetFillStyle::FillStyle /*fillStyle*/) +{ + updateShape (); +} + +// virtual protected slot +void kpToolPolygon::slotForegroundColorChanged (const kpColor &) +{ + updateShape (); +} + +// virtual protected slot +void kpToolPolygon::slotBackgroundColorChanged (const kpColor &) +{ + updateShape (); +} + + +/* + * kpToolPolygonCommand + */ + +kpToolPolygonCommand::kpToolPolygonCommand (const QString &name, + const QPointArray &points, + const QRect &normalizedRect, + const kpColor &foregroundColor, const kpColor &backgroundColor, + int lineWidth, Qt::PenStyle lineStyle, + kpToolWidgetFillStyle *toolWidgetFillStyle, + const QPixmap &originalArea, + enum kpToolPolygon::Mode mode, + kpMainWindow *mainWindow) + : kpNamedCommand (name, mainWindow), + m_points (points), + m_normalizedRect (normalizedRect), + m_foregroundColor (foregroundColor), m_backgroundColor (backgroundColor), + m_lineWidth (lineWidth), m_lineStyle (lineStyle), + m_toolWidgetFillStyle (toolWidgetFillStyle), + m_originalArea (originalArea), + m_mode (mode) +{ + m_points.detach (); +} + +kpToolPolygonCommand::~kpToolPolygonCommand () +{ +} + + +// public virtual [base kpCommand] +int kpToolPolygonCommand::size () const +{ + return kpPixmapFX::pointArraySize (m_points) + + kpPixmapFX::pixmapSize (m_originalArea); +} + + +// public virtual [base kpCommand] +void kpToolPolygonCommand::execute () +{ + QPixmap p = pixmap (m_originalArea, + m_points, m_normalizedRect, + m_foregroundColor, m_backgroundColor, + m_lineWidth, m_lineStyle, + m_toolWidgetFillStyle, + m_mode); + document ()->setPixmapAt (p, m_normalizedRect.topLeft ()); +} + +// public virtual [base kpCommand] +void kpToolPolygonCommand::unexecute () +{ + document ()->setPixmapAt (m_originalArea, m_normalizedRect.topLeft ()); +} + +#include <kptoolpolygon.moc> |