merged in the commit from the 2.2 branch

[wxWidgets.git] / contrib / include / wx / canvas / canvas.h

diff --git a/contrib/include/wx/canvas/canvas.h b/contrib/include/wx/canvas/canvas.h
index cdcb441b0d9069c00ac87767389773a5aba32d41..f1255760b3d0c36027a102c77eb0a292dda0e322 100644 (file)
--- a/contrib/include/wx/canvas/canvas.h
+++ b/contrib/include/wx/canvas/canvas.h
@@ -19,10 +19,16 @@
 
 #include "wx/image.h"
 #include "wx/txtstrm.h"
 
 #include "wx/image.h"
 #include "wx/txtstrm.h"

-                        
-class wxCanvas;
+#include "wx/geometry.h"

 
 

-// WDR: class declarations
+
+//----------------------------------------------------------------------------
+// decls
+//----------------------------------------------------------------------------
+
+#define IMAGE_CANVAS 0
+
+class wxCanvas;

 
 //----------------------------------------------------------------------------
 // wxCanvasObject
 
 //----------------------------------------------------------------------------
 // wxCanvasObject


@@ -31,15 +37,32 @@ class wxCanvas;
 class wxCanvasObject: public wxEvtHandler
 {
 public:
 class wxCanvasObject: public wxEvtHandler
 {
 public:

-    wxCanvasObject( int x, int y, int width, int height );
-    
+    wxCanvasObject();
+
+    // Area occupied by object. Used for clipping, intersection,
+    // mouse enter etc. Screen coordinates
+    void SetArea( int x, int y, int width, int height );
+    void SetArea( wxRect rect );
+
+    // These are for screen output only therefore use
+    // int as coordinates.
+    virtual bool IsHit( int x, int y, int margin = 0 );
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );
+
+    // use doubles later

     virtual void Move( int x, int y );
     virtual void Move( int x, int y );

-    virtual void Render( int clip_x, int clip_y, int clip_width, int clip_height );
+
+    // Once we have world coordinates in doubles, this will get
+    // called for every object if the world coordinate system
+    // changes (zooming).
+    virtual void Recreate();
+
+    // Later...

     virtual void WriteSVG( wxTextOutputStream &stream );
     virtual void WriteSVG( wxTextOutputStream &stream );

-    
-    wxCanvas   *GetOwner()              { return m_owner; }
-    void SetOwner( wxCanvas *owner )    { m_owner = owner; }
-    
+
+    wxCanvas *GetOwner()              { return m_owner; }
+    virtual void SetOwner( wxCanvas *owner )  { m_owner = owner; }
+

     bool        IsControl()     { return m_isControl; }
     bool        IsVector()      { return m_isVector; }
     bool        IsImage()       { return m_isImage; }
     bool        IsControl()     { return m_isControl; }
     bool        IsVector()      { return m_isVector; }
     bool        IsImage()       { return m_isImage; }


@@ -48,16 +71,179 @@ public:
     inline int  GetWidth()      { return m_area.width; }
     inline int  GetHeight()     { return m_area.height; }
 
     inline int  GetWidth()      { return m_area.width; }
     inline int  GetHeight()     { return m_area.height; }
 

+    void CaptureMouse();
+    void ReleaseMouse();
+    bool IsCapturedMouse();
+

 protected:
     wxCanvas   *m_owner;
     bool        m_isControl;
     bool        m_isVector;
     bool        m_isImage;
 protected:
     wxCanvas   *m_owner;
     bool        m_isControl;
     bool        m_isVector;
     bool        m_isImage;

+
+    //relative boundingbox in parent in pixels

     wxRect      m_area;
     wxRect      m_area;

-    
+

     friend class wxCanvas;
 };
 
     friend class wxCanvas;
 };
 

+//----------------------------------------------------------------------------
+// wxCanvasObjectGroup
+//----------------------------------------------------------------------------
+
+class wxCanvasObjectGroup
+{
+public:
+    wxCanvasObjectGroup();
+    virtual ~wxCanvasObjectGroup();
+
+    void SetOwner(wxCanvas* canvas);
+    wxCanvas *GetOwner()              { return m_owner; }
+
+    virtual void Prepend( wxCanvasObject* obj );
+    virtual void Append( wxCanvasObject* obj );
+    virtual void Insert( size_t before, wxCanvasObject* obj );
+    virtual void Remove( wxCanvasObject* obj );
+
+    virtual void Recreate();
+            void DeleteContents( bool );
+    virtual void Render(int xabs, int yabs,int x, int y, int width, int height );
+    virtual void WriteSVG( wxTextOutputStream &stream );
+    virtual bool IsHit( int x, int y, int margin );
+    virtual wxCanvasObject* IsHitObject( int x, int y, int margin );
+
+    void ExtendArea(double x, double y);
+
+    inline double  GetXMin()     { return m_minx; }
+    inline double  GetYMin()     { return m_miny; }
+    inline double  GetXMax()     { return m_maxx; }
+    inline double  GetYMax()     { return m_maxy; }
+
+protected:
+    wxCanvas   *m_owner;
+
+    //bounding box
+    double        m_minx;
+    double        m_miny;
+    double        m_maxx;
+    double        m_maxy;
+    bool          m_validbounds;
+
+    wxList        m_objects;
+
+    friend class wxCanvas;
+};
+
+//----------------------------------------------------------------------------
+// wxCanvasObjectGroupRef
+//----------------------------------------------------------------------------
+
+class wxCanvasObjectGroupRef: public wxCanvasObject
+{
+public:
+    wxCanvasObjectGroupRef(double x, double y,wxCanvasObjectGroup* group);
+
+    void SetOwner(wxCanvas* canvas);
+
+    virtual void Recreate();
+    virtual void Render(int xabs, int yabs,int x, int y, int width, int height );
+    virtual void WriteSVG( wxTextOutputStream &stream );
+    virtual bool IsHit( int x, int y, int margin );
+    void Move( int x, int y );
+
+    inline double  GetPosX()          { return m_x; }
+    inline double  GetPosY()          { return m_y; }
+
+    void ExtendArea(double x, double y);
+    virtual wxCanvasObject* IsHitObject( int x, int y, int margin );
+
+protected:
+    //position of the group
+    double        m_x;
+    double        m_y;
+
+    //reference to the group
+    wxCanvasObjectGroup*        m_group;
+
+    //bounding box
+    double        m_minx;
+    double        m_miny;
+    double        m_maxx;
+    double        m_maxy;
+    bool          m_validbounds;
+
+};
+
+//----------------------------------------------------------------------------
+// wxCanvasPolygon
+//----------------------------------------------------------------------------
+
+class wxCanvasPolygon: public wxCanvasObject
+{
+public:
+    wxCanvasPolygon( int n, wxPoint2DDouble points[] );
+    ~wxCanvasPolygon();
+    void SetBrush(wxBrush& brush)  { m_brush = brush; };
+    void SetPen(wxPen& pen)        { m_pen = pen; };
+
+    virtual void Recreate();
+
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );
+    virtual void WriteSVG( wxTextOutputStream &stream );
+
+private:
+    void ExtendArea(double x, double y);
+
+    wxBrush       m_brush;
+    wxPen         m_pen;
+
+    int           m_n;
+    wxPoint2DDouble* m_points;
+
+    //bounding box
+    double        m_minx;
+    double        m_miny;
+    double        m_maxx;
+    double        m_maxy;
+    bool          m_validbounds;
+
+};
+
+//----------------------------------------------------------------------------
+// wxCanvasPolyline
+//----------------------------------------------------------------------------
+
+class wxCanvasPolyline: public wxCanvasObject
+{
+public:
+    wxCanvasPolyline(int n, wxPoint2DDouble points[]);
+    ~wxCanvasPolyline();
+    void SetPen(wxPen& pen)    { m_pen = pen; };
+
+    virtual void Recreate();
+
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );
+    virtual void WriteSVG( wxTextOutputStream &stream );
+
+private:
+    void ExtendArea(double x, double y);
+
+    wxPen         m_pen;
+
+    int           m_n;
+    wxPoint2DDouble* m_points;
+
+    //bounding box
+    double        m_minx;
+    double        m_miny;
+    double        m_maxx;
+    double        m_maxy;
+    bool          m_validbounds;
+
+};
+
+
+

 //----------------------------------------------------------------------------
 // wxCanvasRect
 //----------------------------------------------------------------------------
 //----------------------------------------------------------------------------
 // wxCanvasRect
 //----------------------------------------------------------------------------


@@ -65,15 +251,47 @@ protected:
 class wxCanvasRect: public wxCanvasObject
 {
 public:
 class wxCanvasRect: public wxCanvasObject
 {
 public:

-    wxCanvasRect( int x, int y, int w, int h, unsigned char red, unsigned char green, unsigned char blue );
-    
-    virtual void Render( int clip_x, int clip_y, int clip_width, int clip_height );
+    wxCanvasRect( double x, double y, double w, double h );
+    void SetBrush(wxBrush& brush)  { m_brush = brush; };
+    void SetPen(wxPen& pen)        { m_pen = pen; };
+
+    virtual void Recreate();
+
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );
+    virtual void WriteSVG( wxTextOutputStream &stream );
+
+private:
+    wxPen         m_pen;
+    wxBrush       m_brush;
+
+    double        m_x;
+    double        m_y;
+    double        m_width;
+    double        m_height;
+};
+
+//----------------------------------------------------------------------------
+// wxCanvasLine
+//----------------------------------------------------------------------------
+
+class wxCanvasLine: public wxCanvasObject
+{
+public:
+    wxCanvasLine( double x1, double y1, double x2, double y2 );
+    void SetPen(wxPen& pen)    { m_pen = pen; };
+
+    virtual void Recreate();
+
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );

     virtual void WriteSVG( wxTextOutputStream &stream );
     
 private:
     virtual void WriteSVG( wxTextOutputStream &stream );
     
 private:

-    unsigned char m_red;
-    unsigned char m_green;
-    unsigned char m_blue;
+    wxPen         m_pen;
+
+    double        m_x1;
+    double        m_y1;
+    double        m_x2;
+    double        m_y2;

 };
 
 //----------------------------------------------------------------------------
 };
 
 //----------------------------------------------------------------------------


@@ -83,13 +301,25 @@ private:
 class wxCanvasImage: public wxCanvasObject
 {
 public:
 class wxCanvasImage: public wxCanvasObject
 {
 public:

-    wxCanvasImage( const wxImage &image, int x, int y );
+    wxCanvasImage( const wxImage &image, double x, double y, double w, double h );
+    
+    virtual void Recreate();

     
     

-    virtual void Render( int clip_x, int clip_y, int clip_width, int clip_height );
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );

     virtual void WriteSVG( wxTextOutputStream &stream );
     
 private:
     virtual void WriteSVG( wxTextOutputStream &stream );
     
 private:

+    double      m_x;
+    double      m_y;
+    double      m_width;
+    double      m_height;
+    

     wxImage     m_image;
     wxImage     m_image;

+#if IMAGE_CANVAS
+    wxImage     m_tmp;
+#else
+    wxBitmap    m_tmp;
+#endif

 };
 
 //----------------------------------------------------------------------------
 };
 
 //----------------------------------------------------------------------------


@@ -102,8 +332,9 @@ public:
     wxCanvasControl( wxWindow *control );
     ~wxCanvasControl();
     
     wxCanvasControl( wxWindow *control );
     ~wxCanvasControl();
     

+    virtual void Recreate();
+    

     virtual void Move( int x, int y );
     virtual void Move( int x, int y );

-    void UpdateSize();

     
 private:
     wxWindow     *m_control;
     
 private:
     wxWindow     *m_control;


@@ -116,18 +347,22 @@ private:
 class wxCanvasText: public wxCanvasObject
 {
 public:
 class wxCanvasText: public wxCanvasObject
 {
 public:

-    wxCanvasText( const wxString &text, int x, int y, const wxString &foneFile, int size );
+    wxCanvasText( const wxString &text, double x, double y, const wxString &foneFile, int size );

     ~wxCanvasText();
     ~wxCanvasText();

-    
-    virtual void Render( int clip_x, int clip_y, int clip_width, int clip_height );
+
+    void Recreate();
+
+    virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );

     virtual void WriteSVG( wxTextOutputStream &stream );
     
     virtual void WriteSVG( wxTextOutputStream &stream );
     

-    void CreateBuffer();

     void SetRGB( unsigned char red, unsigned char green, unsigned char blue );
     void SetFlag( int flag );
     void SetRGB( unsigned char red, unsigned char green, unsigned char blue );
     void SetFlag( int flag );

-    
+    int GetFlag()              { return m_flag; }
+

 private:
     wxString        m_text;
 private:
     wxString        m_text;

+    double          m_x;
+    double          m_y;

     unsigned char  *m_alpha;
     void           *m_faceData;
     int             m_flag;
     unsigned char  *m_alpha;
     void           *m_faceData;
     int             m_flag;


@@ -151,31 +386,72 @@ public:
         const wxSize& size = wxDefaultSize,
         long style = wxScrolledWindowStyle );
     virtual ~wxCanvas();
         const wxSize& size = wxDefaultSize,
         long style = wxScrolledWindowStyle );
     virtual ~wxCanvas();

-    
+

     virtual void SetArea( int width, int height );
     virtual void SetColour( unsigned char red, unsigned char green, unsigned char blue );
     virtual void SetArea( int width, int height );
     virtual void SetColour( unsigned char red, unsigned char green, unsigned char blue );

-    virtual void Update( int x, int y, int width, int height );
+    virtual void Update( int x, int y, int width, int height, bool blit = TRUE );

     virtual void UpdateNow();
     virtual void UpdateNow();

-    
+
+    virtual void Freeze();
+    virtual void Thaw();
+

     virtual void Prepend( wxCanvasObject* obj );
     virtual void Append( wxCanvasObject* obj );
     virtual void Insert( size_t before, wxCanvasObject* obj );
     virtual void Remove( wxCanvasObject* obj );
     virtual void Prepend( wxCanvasObject* obj );
     virtual void Append( wxCanvasObject* obj );
     virtual void Insert( size_t before, wxCanvasObject* obj );
     virtual void Remove( wxCanvasObject* obj );

+
+    // override these to change your coordiate system ...
+    virtual int GetDeviceX( double x );
+    virtual int GetDeviceY( double y );
+    virtual int GetDeviceWidth( double width );
+    virtual int GetDeviceHeight( double height );
+
+    // ... and call this to tell all objets to recreate then
+    virtual void Recreate();
+
+#if IMAGE_CANVAS
+    inline wxImage *GetBuffer()  { return &m_buffer; }
+#else
+    inline wxBitmap *GetBuffer() { return &m_buffer; }
+    inline wxMemoryDC *GetDC()   { return m_renderDC; }
+#endif
+    inline int GetBufferX()      { return m_bufferX; }
+    inline int GetBufferY()      { return m_bufferY; }
+    inline int GetBufferWidth()  { return m_buffer.GetWidth(); }
+    inline int GetBufferHeight() { return m_buffer.GetHeight(); }

     
     

-    wxImage *GetBuffer()         { return &m_buffer; }

     bool NeedUpdate()            { return m_needUpdate; }
     bool NeedUpdate()            { return m_needUpdate; }

-    
+    bool IsFrozen()              { return m_frozen; }
+

     void BlitBuffer( wxDC &dc );
     void BlitBuffer( wxDC &dc );

-    
+
+    void SetCaptureMouse( wxCanvasObject *obj );
+
+    virtual void ScrollWindow( int dx, int dy,
+                               const wxRect* rect = (wxRect *) NULL );
+

 private:
 private:

-    wxImage        m_buffer;
-    bool           m_needUpdate;
-    wxList         m_updateRects;
-    wxList         m_objects;
-    unsigned char  m_green,m_red,m_blue;
+#if IMAGE_CANVAS
+    wxImage          m_buffer;
+#else
+    wxBitmap         m_buffer;
+    wxMemoryDC      *m_renderDC;
+#endif
+    int              m_bufferX;
+    int              m_bufferY;
+    bool             m_needUpdate;
+    wxList           m_updateRects;
+    wxCanvasObjectGroup* m_root;
+
+    unsigned char    m_green,m_red,m_blue;
+    bool             m_frozen;
+    wxCanvasObject  *m_lastMouse;
+    wxCanvasObject  *m_captureMouse;

     
     

+    int              m_oldDeviceX,m_oldDeviceY;
+

     friend class wxCanvasObject;
     friend class wxCanvasObject;

-    
+

 private:
     void OnChar( wxKeyEvent &event );
     void OnPaint( wxPaintEvent &event );
 private:
     void OnChar( wxKeyEvent &event );
     void OnPaint( wxPaintEvent &event );


@@ -184,6 +460,7 @@ private:
     void OnIdle( wxIdleEvent &event );
     void OnSetFocus( wxFocusEvent &event );
     void OnKillFocus( wxFocusEvent &event );
     void OnIdle( wxIdleEvent &event );
     void OnSetFocus( wxFocusEvent &event );
     void OnKillFocus( wxFocusEvent &event );

+    void OnEraseBackground( wxEraseEvent &event );

 
 private:
     DECLARE_CLASS(wxCanvas)
 
 private:
     DECLARE_CLASS(wxCanvas)