added the keyboard sample

[wxWidgets.git] / contrib / src / canvas / canvas.cpp

diff --git a/contrib/src/canvas/canvas.cpp b/contrib/src/canvas/canvas.cpp
index bb33ecd1ba3c7d24deccd438afca73f3c76d3546..0cedafc9468083b60472beab11888461ed896c12 100644 (file)
--- a/contrib/src/canvas/canvas.cpp
+++ b/contrib/src/canvas/canvas.cpp
@@ -51,6 +51,8 @@ FT_Library g_freetypeLibrary;
 // wxCanvasObject
 //----------------------------------------------------------------------------
 
+IMPLEMENT_CLASS(wxCanvasObject, wxEvtHandler)
+
 wxCanvasObject::wxCanvasObject()
 {
     // the default event handler is just this object
@@ -60,9 +62,9 @@ wxCanvasObject::wxCanvasObject()
     m_isVector = FALSE;
     m_isImage = FALSE;
     m_visible  = TRUE;
-    m_dragmode = DRAG_ONTOP;
+    m_dragmode = wxDRAG_ONTOP;
 //  handy when debugging
-//  m_dragmode = DRAG_RECTANGLE;
+//  m_dragmode = wxDRAG_RECTANGLE;
     m_dragable = TRUE;
 }
 
@@ -216,7 +218,7 @@ void wxCanvasObject::MoveRelative( double x, double y )
 
 void wxCanvasObject::DragStart()
 {
-    if (m_dragmode == DRAG_RECTANGLE)
+    if (m_dragmode == wxDRAG_RECTANGLE)
     {
         this->SetVisible(FALSE);
         wxTransformMatrix help;
@@ -236,7 +238,7 @@ void wxCanvasObject::DragStart()
         dc.SetBrush(wxNullBrush);
         dc.SetPen(wxNullPen);
     }
-    else
+    else if (m_dragmode != wxDRAG_REDRAW)
     {
         this->SetVisible(FALSE);
         wxTransformMatrix help;
@@ -266,7 +268,7 @@ void wxCanvasObject::DragStart()
 
 void wxCanvasObject::DragRelative( double x, double y)
 {
-    if (m_dragmode == DRAG_RECTANGLE)
+    if (m_dragmode == wxDRAG_RECTANGLE)
     {
         wxTransformMatrix help;
 
@@ -285,7 +287,7 @@ void wxCanvasObject::DragRelative( double x, double y)
         dc.SetBrush(wxNullBrush);
         dc.SetPen(wxNullPen);
     }
-    else
+    else if (m_dragmode != wxDRAG_REDRAW)
     {
         wxClientDC dc(m_admin->GetActive());
         wxMemoryDC tmp;
@@ -336,6 +338,8 @@ void wxCanvasObject::DragRelative( double x, double y)
         dcm.SelectObject(wxNullBitmap);
         this->SetVisible(FALSE);
     }
+    else
+        MoveRelative(x,y);
 }
 
 
@@ -405,6 +409,8 @@ void wxCanvasObject::WriteSVG( wxTextOutputStream &stream )
 // wxCanvasObjectGroup
 //----------------------------------------------------------------------------
 
+IMPLEMENT_CLASS(wxCanvasObjectGroup, wxCanvasObject)
+
 wxCanvasObjectGroup::wxCanvasObjectGroup(double x, double y)
 {
     lworld.Translate(x,y);
@@ -676,7 +682,7 @@ wxCanvasObject* wxCanvasObjectGroup::IsHitWorld( double x, double y, double marg
 
         if (!obj->IsControl() )
         {
-            if (obj->IsHitWorld(x,y,margin))
+            if (obj->IsHitWorld(xh,yh,margin))
             {
                 return obj;
             }
@@ -714,6 +720,8 @@ int wxCanvasObjectGroup::IndexOf( wxCanvasObject* obj )
 // wxCanvasObjectRef
 //----------------------------------------------------------------------------
 
+IMPLEMENT_CLASS(wxCanvasObjectRef, wxCanvasObject)
+
 wxCanvasObjectRef::wxCanvasObjectRef(double x, double y, wxCanvasObject* obj)
    : wxCanvasObject()
 {
@@ -878,6 +886,8 @@ wxCanvasObject* wxCanvasObjectRef::IsHitWorld( double x, double y, double margin
 // wxCanvasRect
 //----------------------------------------------------------------------------
 
+IMPLEMENT_CLASS(wxCanvasRect, wxCanvasObject)
+
 wxCanvasRect::wxCanvasRect( double x, double y, double w, double h , double radius )
    : wxCanvasObject()
 {
@@ -1321,6 +1331,13 @@ wxCanvasImage::wxCanvasImage( const wxImage &image, double x, double y, double w
     CalcBoundingBox();
 }
 
+void wxCanvasImage::SetPosXY( double x, double y)
+{
+    m_x = x;
+    m_y = y;
+    CalcBoundingBox();
+}
+
 void wxCanvasImage::TransLate( double x, double y )
 {
     m_x += x;
@@ -1337,7 +1354,7 @@ void wxCanvasImage::CalcBoundingBox()
 void wxCanvasImage::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
 {
     if (!m_visible) return;
-
+    
     wxRect tmparea;
 
     tmparea.x = m_admin->LogicalToDeviceXRel( m_bbox.GetMinX());
@@ -1352,6 +1369,7 @@ void wxCanvasImage::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, in
     y = m_admin->LogicalToDeviceY(y);
 
 
+    // What is this???
     if (  m_orgw*5 < m_admin->LogicalToDeviceXRel( m_bbox.GetWidth()  ) ||
           m_orgw/5 > m_admin->LogicalToDeviceXRel( m_bbox.GetWidth()  ) ||
           m_orgh*5 < m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() ) ||
@@ -1375,29 +1393,54 @@ void wxCanvasImage::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, in
         dc->DestroyClippingRegion();
         return;
     }
+    
+    wxImage tmp;
+    bool is_cashed = FALSE;
 
-    if ((m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() ) == m_image.GetWidth()) &&
-        (m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() ) == m_image.GetHeight()))
+    if (m_cImage.Ok() && (m_cW == m_bbox.GetWidth()) && (m_cH == m_bbox.GetHeight()))
     {
-        m_tmp = m_image;
+        // use cached image
+        tmp = m_cImage;
+        is_cashed = TRUE;
     }
     else
     {
-        m_tmp = m_image.Scale( m_admin->LogicalToDeviceXRel( m_bbox.GetWidth()),
-                               m_admin->LogicalToDeviceYRel( m_bbox.GetHeight()) );
+        if ((m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() ) == m_image.GetWidth()) &&
+            (m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() ) == m_image.GetHeight()))
+        {
+            tmp = m_image;
+        }
+        else
+        {
+            tmp = m_image.Scale( m_admin->LogicalToDeviceXRel( m_bbox.GetWidth()),
+                                 m_admin->LogicalToDeviceYRel( m_bbox.GetHeight()) );
+        }
+        
+        // create cached image
+        m_cImage = tmp;
+        m_cW = tmp.GetWidth();
+        m_cH = tmp.GetHeight();
     }
 
-    wxBitmap bmp;
 //    wxPoint centr(m_admin->LogicalToDeviceX(m_x),m_admin->LogicalToDeviceY(m_y));
     wxPoint centr(0,0);
 
-    if (cworld->GetRotation())
+    wxBitmap bmp;
+    
+    if (m_cBitmap.Ok() && is_cashed && (m_cR == cworld->GetRotation()))
     {
-        bmp=m_tmp.Rotate(-cworld->GetRotation()/180.0 * pi,centr, TRUE,  NULL).ConvertToBitmap();
+        bmp = m_cBitmap;
     }
     else
     {
-        bmp = m_tmp.ConvertToBitmap();
+        if (cworld->GetRotation())
+            tmp = tmp.Rotate(-cworld->GetRotation()/180.0 * pi, centr, TRUE, NULL );
+            
+        bmp = wxBitmap(tmp);
+        
+        // create cached bitmap
+        m_cBitmap = bmp;
+        m_cR = cworld->GetRotation();
     }
 
     wxDC *dc = m_admin->GetActive()->GetDC();
@@ -1423,28 +1466,9 @@ void wxCanvasImage::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, in
     }
     else
     {
-        //TODO clipping not right
-//        dc->DrawPoint(centr2);
-//        dc->DrawPoint(x,y);
-
-        if ((clip_x == x) &&
-            (clip_y == y) &&
-            (clip_width == tmparea.width) &&
-            (clip_height == tmparea.height))
-        {
-            dc->DrawBitmap( m_tmp, clip_x, clip_y, TRUE );
-        }
-        else
-        {
-            int start_x = clip_x - (int)x;
-            int start_y = clip_y - (int)y;
-
-            //dc->DrawBitmap( bmp, x, y, TRUE );
-            wxMemoryDC dcm;
-            dcm.SelectObject(bmp);
-            dc->Blit(clip_x, clip_y,clip_width, clip_height,&dcm,start_x,start_y,wxCOPY,TRUE);
-            dcm.SelectObject(wxNullBitmap);
-        }
+        dc->SetClippingRegion( clip_x, clip_y, clip_width, clip_height );
+        dc->DrawBitmap( bmp, x, y, TRUE );
+        dc->DestroyClippingRegion();
     }
 }
 
@@ -1642,7 +1666,7 @@ void wxCanvasText::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int
     wxRect sub_rect( clip_x, clip_y, clip_width, clip_height );
     wxBitmap sub_bitmap( bitmap->GetSubBitmap( sub_rect ) );
 
-    wxImage image( sub_bitmap );
+    wxImage image( sub_bitmap.ConvertToImage() );
 
     // local coordinates
     int start_x = clip_x - tmparea.x;
@@ -1679,7 +1703,7 @@ void wxCanvasText::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int
             }
         }
 
-   sub_bitmap = image.ConvertToBitmap();
+   sub_bitmap = wxBitmap(image);
 
    wxDC *dc = m_admin->GetActive()->GetDC();
    dc->DrawBitmap( sub_bitmap, clip_x, clip_y );