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/*
* Copyright (C) 2003 Cies Breijs <cies # kde ! nl>
This program is free software; you can redistribute it and/or
modify it under the terms of version 2 of the GNU General Public
License as published by the Free Software Foundation.
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 _CANVAS_H_
#define _CANVAS_H_
#include <qcanvas.h>
class Canvas : public QCanvasView
{
Q_OBJECT
public:
Canvas(QWidget *parent = 0, const char *name = 0);
~Canvas();
QPixmap* canvas2Pixmap();
public slots:
void slotClear();
void slotClearSpriteToo();
void slotGo(double x, double y);
void slotGoX(double x);
void slotGoY(double y);
void slotForward(double x);
void slotBackward(double x);
void slotDirection(double deg);
void slotTurnLeft(double deg);
void slotTurnRight(double deg);
void slotCenter();
void slotSetPenWidth(int w);
void slotPenUp();
void slotPenDown();
void slotSetFgColor(int r, int g, int b);
void slotSetBgColor(int r, int g, int b);
void slotResizeCanvas(int x, int y);
void slotSpriteShow();
void slotSpriteHide();
void slotSpritePress();
void slotSpriteChange(int x);
void slotPrint(QString text);
void slotFontType(QString family, QString extra);
void slotFontSize(int px);
void slotWrapOn();
void slotWrapOff();
void slotReset();
signals:
void CanvasResized();
private:
void initValues();
void line(double xa, double ya, double xb, double yb);
void lineShell(double xa, double ya, double xb, double yb);
bool endlessLoop(QPoint begin, QPoint end);
bool pointInRange(double px, double py, double xa, double ya, double xb, double yb);
QPoint offset(int x, int y);
QPoint translationFactor(double xa, double ya, double xb, double yb);
void loadSpriteFrames(QString name);
void updateSpritePos();
void updateSpriteAngle();
QCanvas *canvas;
QPixmap pixmap;
QCanvasSprite *sprite;
QCanvasPixmapArray *spriteFrames;
QFont font;
double posX, posY;
int canvasWidth, canvasHeight;
int penWidth;
double direction;
int fgR, fgG, fgB;
bool pen;
bool wrap;
bool cutLoop;
QPoint prevStartPos3, prevStartPos2, prevStartPos1, prevEndPos3, prevEndPos2, prevEndPos1;
};
#endif // _CANVAS_H_
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