00001 /*
00002  * Copyright (C) 2002 SHARP CORPORATION All rights reserved.
00003  */
00004 #ifndef _SLPAINT_H_INCLUDED
00005 #define _SLPAINT_H_INCLUDED
00006 
00007 #include <qwidget.h>
00008 #include <qscrollview.h>
00009 
00010 #if defined QT_NO_PICTURE
00011 #define ENABLE_UNDO
00012 #endif
00013 #define ENABLE_PARTIAL_DECODE
00014 
00015 #define PIXMAP_MAX_WIDTH (1024)
00016 #define PIXMAP_MAX_HEIGHT (768)
00017 
00018 struct SlImageEditPrivate;
00019 
00020 class SlImageEdit : public QWidget
00021 {
00022     Q_OBJECT
00023 public:
00024     SlImageEdit(QWidget *parent=0,const char *name=NULL,WFlags f=0);
00025     ~SlImageEdit();
00026 
00027     
00028 
00029     enum SlImageEditTool {
00030         
00031         Pen,
00032         
00033         Eraser,
00034         
00035         Select,
00036         
00037         Scroll,
00038         
00039         Line,
00040         
00041         Box,
00042         
00043         Ellipse
00044     };
00045     void setPixmap(QPixmap*);
00046     void clearPartialInfo();
00047     void setPartialPixmap(QPixmap*,const QSize&,const QRect&);
00048     QPixmap *pixmap() const;
00049     void setMinimumSize(int,int);
00050     void setTool(SlImageEditTool);
00051     SlImageEditTool tool() const;
00052     void setPenAttr(const QPen&);
00053     void setEraserAttr(const QPen&);
00054     QPen penAttr() const;
00055     QPen eraserAttr() const;
00056     void setPenBrush(const QBrush&);
00057     void setEraserBrush(const QBrush&);
00058     QBrush penBrush() const;
00059     QBrush eraserBrush() const;
00060     void setPenColor(const QColor&);
00061     void setPenWidth(uint);
00062     const QColor& penColor() const;
00063     uint penWidth() const;
00064     bool isSelected() const;
00065     bool cutSelectedImage();
00066     bool copySelectedImage();
00067     bool pasteImage();
00068     bool clearSelectedImage();
00069 #if !defined QT_NO_PICTURE || defined ENABLE_UNDO
00070     void flushEdit();
00071     void undo();
00072     bool isUndoAvailable();
00073 #endif
00074     bool isModified();
00075     void editClear();
00076     bool isTracing();
00077 #if defined(ENABLE_PARTIAL_DECODE)
00078     bool isPartialPixmap() const;
00079     QSize partialRealImageSize() const;
00080     QRect partialImageRect() const;
00081     void setPartialPixmapEnabled(bool);
00082 #endif
00083     void setVisible(bool);
00084 
00085 signals:
00086     
00087 
00088     void selected(QRect&);
00089     
00090 
00091     void dragStart(const QPoint&);
00092     
00093 
00094     void dragExec(const QPoint&);
00095     
00096 
00097     void undoStatusChanged(bool);
00098     
00099 
00100     void modifyStatusChanged(bool);
00101     
00102 
00103     void scrollFinished();
00104     
00105 
00106     void pressed(const QPoint &);
00107 
00108     
00109 
00110     void clicked(const QPoint &);
00111 
00112 protected:
00113     void paintEvent(QPaintEvent*);
00114     void mousePressEvent(QMouseEvent*);
00115     void mouseMoveEvent(QMouseEvent*);
00116     void mouseReleaseEvent(QMouseEvent*);
00117 
00118 private:
00119     void drawSelectFrame(const QPaintDevice *,const QRect &);
00120     bool selectToClipBoard();
00121     SlImageEditPrivate *p; 
00122 };
00123 
00124 struct SlScrollImageEditPrivate;
00125 class SlScrollImageEdit : public QScrollView
00126 {
00127     Q_OBJECT
00128 public:
00129     SlScrollImageEdit(QWidget *parent=0,const char *name=NULL,WFlags f=0);
00130     ~SlScrollImageEdit();
00131     SlImageEdit *image() const;
00132     bool loadImage(const QString &);
00133     void clearImage();
00134     void newImage(int x,int y,const QColor& fillColor=Qt::white);
00135     bool saveImage(const QString &,const char *format=NULL);
00136     bool scroll(int,int);
00137     void scale(double,double,bool isToOrigin=FALSE);
00138     void scale(int,int);
00139     bool isScaleAvailable(double,double,bool isToOrigin=FALSE);
00140     void xFormPixmap(QWMatrix&);
00141     void fullScreen();
00142     void normalScreen();
00143     void normalScreen(bool isNoLoad);
00144 #if 0 
00145     void resetMinimumSize();
00146 #endif
00147 #if !defined QT_NO_PICTURE || defined ENABLE_UNDO
00148     bool isUndoAvailable();
00149 #endif
00150     bool isModified() const;
00151     ulong orgImageWidth() const;
00152     ulong orgImageHeight() const;
00153     ulong scaledWidth() const;
00154     ulong scaledHeight() const;
00155     bool isPartialRequired() const;
00156     void setDialogMode(bool isOn);
00157     void setEnabledImage(bool isEnabled);
00158 
00159 signals:
00160     
00161 
00162     void keyPressed(QKeyEvent*);
00163     
00164 
00165     void undoStatusChanged(bool);
00166     
00167 
00168     void modifyStatusChanged(bool);
00169     
00170 
00171     void resized(int,int);
00172     
00173 
00174     void clicked(const QPoint &);
00175 
00176 protected:
00177     void keyPressEvent(QKeyEvent*);
00178     void resizeEvent(QResizeEvent*);
00179 
00180 private slots:
00181     void slotDragStart(const QPoint&);
00182     void slotDragExec(const QPoint&);
00183     void slotScrollFinished();
00184     
00185 private:
00186     SlScrollImageEditPrivate *p;
00187     void updateForImage();
00188     bool loadPartialImage(const QString&,const QSize&,const QRect&);
00189     void reloadImage(bool isPaint=TRUE);
00190     void reloadPartialImage(bool isPaint=TRUE);
00191     void killFlicker(bool isEnabled);
00192 
00193 };
00194 
00195 #endif 
00196 
00197