diff options
Diffstat (limited to 'krita/plugins/tools/tool_curves/kis_tool_curve.h')
-rw-r--r-- | krita/plugins/tools/tool_curves/kis_tool_curve.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/krita/plugins/tools/tool_curves/kis_tool_curve.h b/krita/plugins/tools/tool_curves/kis_tool_curve.h new file mode 100644 index 00000000..17a0c418 --- /dev/null +++ b/krita/plugins/tools/tool_curves/kis_tool_curve.h @@ -0,0 +1,204 @@ +/* + * kis_tool_curve.h -- part of Krita + * + * Copyright (c) 2006 Emanuele Tamponi <emanuele@valinor.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef KIS_TOOL_CURVE_H_ +#define KIS_TOOL_CURVE_H_ + +#include <qpen.h> +#include <qcursor.h> + +#include "kis_selection.h" +#include "kis_tool_paint.h" +#include "kis_canvas_subject.h" +#include "kis_point.h" + +#include "kis_curve_framework.h" + +class QRect; +class KisPainter; +class KisSelectionOptions; + +typedef QPair<KisCurve::iterator,bool> PointPair; + +const double MAXDISTANCE = 2.5; +double pointToSegmentDistance(const KisPoint& p, const KisPoint& l0, const KisPoint& l1); + +class KisToolCurve : public KisToolPaint { + + typedef KisToolPaint super; + Q_OBJECT + +public: + KisToolCurve(const QString& UIName); + virtual ~KisToolCurve(); + + virtual void update (KisCanvasSubject *subject); + virtual QWidget* createOptionWidget(QWidget* parent); + + virtual void buttonPress(KisButtonPressEvent *event); + virtual void move(KisMoveEvent *event); + virtual void buttonRelease(KisButtonReleaseEvent *event); + virtual void doubleClick(KisDoubleClickEvent *event); + virtual void keyPress(QKeyEvent *event); + virtual void keyRelease(QKeyEvent *event); + +public slots: + + virtual void deactivate(); + +protected: + + virtual void paint(KisCanvasPainter&); + virtual void paint(KisCanvasPainter&, const QRect&); + + /* ********************** * + * KisToolCurve interface * + * ********************** */ + + /* + * This keep in sync the options of the tool with the options of the curve + */ + virtual int updateOptions(int); + + virtual PointPair pointUnderMouse(const QPoint& pos); + virtual KisCurve::iterator handleUnderMouse(const QPoint& pos); + + /* + * Select the needed points; called after pointUnderMouse + */ + virtual KisCurve::iterator selectByMouse(KisCurve::iterator it); + + /* + * draw() initializes the KisCanvasPainter and then loop on the points of the curve for drawing them. + */ + virtual void draw(bool = true, bool = false); + virtual void draw(KisCurve::iterator inf, bool = false, bool = true); + + /* + * Used by draw() to draw the current point of the curve. Can draw more than one point and then returns the last one + */ + virtual KisCurve::iterator drawPoint(KisCanvasPainter& gc, KisCurve::iterator point); + + /* + * Used by draw(), if a point is a pivot, this draw the handle around it (if m_drawPivots is set to true) + */ + virtual void drawPivotHandle(KisCanvasPainter& gc, KisCurve::iterator point); + + /* + * Methods for commiting the curve + */ + + /* + * Called by selectCurve(), this convert m_curve to a vector of KisPoint in order to be used by paintPolygon() + */ + virtual QValueVector<KisPoint> convertCurve(); + + /* + * Called by paintCurve(), it behaves essentially like drawPoint(), but this uses a KisPainter + */ + virtual KisCurve::iterator paintPoint(KisPainter&, KisCurve::iterator); + + /* + * Finish the curve: if the tool is a TOOL_SHAPE or TOOL_FREEHAND, calls paintCurve(), if it's a TOOL_SELECT, then selectCurve() + */ + virtual void commitCurve(); + + /* + * Used by commitCurve() if the tool is a painting tool + */ + virtual void paintCurve(); + + /* + * Used by commitCurve() if the tool is a selection tool + */ + virtual void selectCurve(); + + /* + * Return the rect around a given point, assuming that that point is an unselected pivot + */ + QRect pivotRect (const QPoint&); + + /* + * Same as above for selected pivots + */ + QRect selectedPivotRect (const QPoint&); + +protected: + + KisImageSP m_currentImage; + + KisCurve *m_curve; + KisCurve::iterator m_current; + KisCurve::iterator m_previous; + KisPoint m_currentPoint; + + bool m_dragging; + bool m_drawPivots; + QPen m_drawingPen; + QPen m_pivotPen; + QPen m_selectedPivotPen; + int m_pivotRounding; + int m_selectedPivotRounding; + + int m_actionOptions; + bool m_supportMinimalDraw; + bool m_draggingCursor; + + QString m_transactionMessage; + QString m_cursor; + +private: + + QString m_UIName; + + +/* ********************************** * + * Selection Tools specific functions * + * ********************************** */ + +public: + + /* + * This initializes our Option Widget (called by createOptionWidget()) + */ + virtual QWidget* createSelectionOptionWidget(QWidget* parent); + + /* + * This return our internal KisSelectionOptions if toolType() returns TOOL_SELECT + */ + virtual QWidget* optionWidget(); + +public slots: + + /* + * Slot for createSelectionOptionWidget() + */ + virtual void slotSetAction(int); + +private: + + /* + * Members used by slotSetAction() and selectCurve() + */ + KisSelectionOptions* m_optWidget; + enumSelectionMode m_selectAction; +}; + +#endif //__KIS_TOOL_CURVE_H_ |