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+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <[email protected]>
+ 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.
+*/
+
+
+#ifndef __kptoolpen_h__
+#define __kptoolpen_h__
+
+#include <qpixmap.h>
+#include <qrect.h>
+
+#include <kpcommandhistory.h>
+#include <kptool.h>
+
+class QPoint;
+class QString;
+
+class kpColor;
+class kpMainWindow;
+class kpToolPenCommand;
+class kpToolWidgetBrush;
+class kpToolWidgetEraserSize;
+class kpViewManager;
+
+class kpToolPen : public kpTool
+{
+Q_OBJECT
+
+public:
+ enum Mode
+ {
+ // tool properties
+ DrawsPixels = (1 << 0), DrawsPixmaps = (1 << 1), WashesPixmaps = (1 << 2),
+ NoBrushes = 0, SquareBrushes = (1 << 3), DiverseBrushes = (1 << 4),
+ NormalColors = 0, SwappedColors = (1 << 5),
+
+ // tools:
+ //
+ // Pen = draws pixels, "interpolates" by "sweeping" pixels along a line (no brushes)
+ // Brush = draws pixmaps, "interpolates" by "sweeping" pixmaps along a line (interesting brushes)
+ // Eraser = Brush but with foreground & background colors swapped (a few square brushes)
+ // Color Washer = Brush that replaces/washes the foreground color with the background color
+ //
+ // (note the capitalization of "brush" here :))
+ Pen = DrawsPixels | NoBrushes | NormalColors,
+ Brush = DrawsPixmaps | DiverseBrushes | NormalColors,
+ Eraser = DrawsPixmaps | SquareBrushes | SwappedColors,
+ ColorWasher = WashesPixmaps | SquareBrushes | SwappedColors
+ };
+
+ kpToolPen (Mode mode, const QString &text, const QString &description,
+ int key,
+ kpMainWindow *mainWindow, const char *name);
+ kpToolPen (kpMainWindow *mainWindow);
+ virtual ~kpToolPen ();
+
+ void setMode (Mode mode);
+
+private:
+ QString haventBegunDrawUserMessage () const;
+
+public:
+ virtual void begin ();
+ virtual void end ();
+
+ virtual void beginDraw ();
+ virtual void hover (const QPoint &point);
+ virtual void globalDraw ();
+ virtual void draw (const QPoint &thisPoint, const QPoint &lastPoint, const QRect &);
+ virtual void cancelShape ();
+ virtual void releasedAllButtons ();
+ virtual void endDraw (const QPoint &, const QRect &);
+
+private slots:
+ virtual void slotForegroundColorChanged (const kpColor &col);
+ virtual void slotBackgroundColorChanged (const kpColor &col);
+
+ void slotBrushChanged (const QPixmap &pixmap, bool isDiagonalLine);
+ void slotEraserSizeChanged (int size);
+
+private:
+ bool wash (QPainter *painter, QPainter *maskPainter,
+ const QImage &image,
+ const kpColor &colorToReplace,
+ const QRect &imageRect, int plotx, int ploty);
+ bool wash (QPainter *painter, QPainter *maskPainter,
+ const QImage &image,
+ const kpColor &colorToReplace,
+ const QRect &imageRect, const QRect &drawRect);
+
+ kpColor color (int which);
+
+ QPoint hotPoint () const;
+ QPoint hotPoint (int x, int y) const;
+ QPoint hotPoint (const QPoint &point) const;
+ QRect hotRect () const;
+ QRect hotRect (int x, int y) const;
+ QRect hotRect (const QPoint &point) const;
+
+ Mode m_mode;
+
+ void updateBrushCursor (bool recalc = true);
+
+ kpToolWidgetBrush *m_toolWidgetBrush;
+ kpToolWidgetEraserSize *m_toolWidgetEraserSize;
+ QPixmap m_brushPixmap [2];
+ QPixmap m_cursorPixmap;
+ bool m_brushIsDiagonalLine;
+
+ kpToolPenCommand *m_currentCommand;
+};
+
+class kpToolPenCommand : public kpNamedCommand
+{
+public:
+ kpToolPenCommand (const QString &name, kpMainWindow *mainWindow);
+ virtual ~kpToolPenCommand ();
+
+ virtual int size () const;
+
+ virtual void execute ();
+ virtual void unexecute ();
+
+ // interface for KToolPen
+ void updateBoundingRect (const QPoint &point);
+ void updateBoundingRect (const QRect &rect);
+ void finalize ();
+ void cancel ();
+
+private:
+ void swapOldAndNew ();
+
+ QPixmap m_pixmap;
+ QRect m_boundingRect;
+};
+
+#endif // __kptoolpen_h__