forked from openkylin/kolourpaint
121 lines
3.9 KiB
C++
121 lines
3.9 KiB
C++
|
|
/*
|
|
Copyright(c) 2003-2007 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.
|
|
*/
|
|
|
|
|
|
#ifndef KP_TOOL_FLOW_BASE_H
|
|
#define KP_TOOL_FLOW_BASE_H
|
|
|
|
|
|
#include <QRect>
|
|
|
|
#include "layers/tempImage/kpTempImage.h"
|
|
#include "tools/kpTool.h"
|
|
|
|
|
|
class QPoint;
|
|
class QString;
|
|
|
|
class kpColor;
|
|
class kpToolFlowCommand;
|
|
|
|
|
|
class kpToolFlowBase : public kpTool
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
kpToolFlowBase(const QString &text, const QString &description,
|
|
int key,
|
|
kpToolEnvironment *environ, QObject *parent, const QString &name);
|
|
|
|
~kpToolFlowBase() override;
|
|
|
|
// Returns the dirty rectangle for drawing a brush(of size
|
|
// <brushWidth>x<brushHeight>) at <mousePoint>. <mousePoint> will end
|
|
// up being the midpoint of the returned rectangle(subject to integer
|
|
// precision).
|
|
static QRect hotRectForMousePointAndBrushWidthHeight(
|
|
const QPoint &mousePoint,
|
|
int brushWidth, int brushHeight);
|
|
|
|
void begin() override;
|
|
void end() override;
|
|
|
|
void beginDraw() override;
|
|
void hover(const QPoint &point) override;
|
|
|
|
// drawPoint() normally calls drawLine(point,point). Override drawPoint()
|
|
// if you think you can be more efficient.
|
|
virtual QRect drawPoint(const QPoint &point);
|
|
virtual QRect drawLine(const QPoint &thisPoint, const QPoint &lastPoint) = 0;
|
|
|
|
virtual bool drawShouldProceed(const QPoint & /*thisPoint*/, const QPoint & /*lastPoint*/, const QRect & /*normalizedRect*/) { return true; }
|
|
void draw(const QPoint &thisPoint, const QPoint &lastPoint, const QRect &normalizedRect) override;
|
|
void cancelShape() override;
|
|
void releasedAllButtons() override;
|
|
void endDraw(const QPoint &, const QRect &) override;
|
|
|
|
protected:
|
|
virtual QString haventBegunDrawUserMessage() const = 0;
|
|
|
|
virtual bool haveSquareBrushes() const { return false; }
|
|
virtual bool haveDiverseBrushes() const { return false; }
|
|
bool haveAnyBrushes() const
|
|
{
|
|
return(haveSquareBrushes() || haveDiverseBrushes());
|
|
}
|
|
|
|
virtual bool colorsAreSwapped() const { return false; }
|
|
|
|
kpTempImage::UserFunctionType brushDrawFunction() const;
|
|
void *brushDrawFunctionData() const;
|
|
|
|
int brushWidth() const;
|
|
int brushHeight() const;
|
|
|
|
bool brushIsDiagonalLine() const;
|
|
|
|
kpToolFlowCommand *currentCommand() const;
|
|
virtual kpColor color(int which);
|
|
QRect hotRect() const;
|
|
|
|
protected slots:
|
|
void updateBrushAndCursor();
|
|
|
|
void slotForegroundColorChanged(const kpColor &col) override;
|
|
void slotBackgroundColorChanged(const kpColor &col) override;
|
|
|
|
private:
|
|
void clearBrushCursorData();
|
|
|
|
private:
|
|
struct kpToolFlowBasePrivate *d;
|
|
};
|
|
|
|
|
|
#endif // KP_TOOL_FLOW_BASE_H
|