+//----------------------------------------------------------------------------
+// wxCanvasObjectGroup
+//----------------------------------------------------------------------------
+
+wxCanvasObjectGroup::wxCanvasObjectGroup()
+{
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::SetOwner(wxCanvas* canvas)
+{
+ m_owner=canvas;
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->SetOwner(canvas);
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasObjectGroup::ExtendArea(int x, int y)
+{
+ if (m_validbounds)
+ {
+ if ( x < m_minx ) m_minx = x;
+ if ( y < m_miny ) m_miny = y;
+ if ( x > m_maxx ) m_maxx = x;
+ if ( y > m_maxy ) m_maxy = y;
+ }
+ else
+ {
+ m_validbounds = true;
+
+ m_minx = x;
+ m_miny = y;
+ m_maxx = x;
+ m_maxy = y;
+ }
+
+}
+
+
+void wxCanvasObjectGroup::DeleteContents( bool flag)
+{
+ m_objects.DeleteContents( flag );
+ m_validbounds=false;
+}
+
+
+void wxCanvasObjectGroup::Prepend( wxCanvasObject* obj )
+{
+ m_objects.Insert( obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Append( wxCanvasObject* obj )
+{
+ m_objects.Append( obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Insert( size_t before, wxCanvasObject* obj )
+{
+ m_objects.Insert( before, obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Remove( wxCanvasObject* obj )
+{
+ m_objects.DeleteObject( obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Recreate()
+{
+ m_validbounds=false;
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->Recreate();
+ ExtendArea(obj->GetX(),obj->GetY());
+ ExtendArea(obj->GetX()+obj->GetWidth(),obj->GetY()+obj->GetHeight());
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasObjectGroup::Render(int xabs, int yabs, int x, int y, int width, int height )
+{
+ wxImage *image = m_owner->GetBuffer();
+ // cycle through all objects
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ if (!obj->IsControl())
+ {
+ // If we have 10.000 objects, we will go through
+ // this 10.000 times for each update, so we have
+ // to optimise carefully.
+ int clip_x = xabs + obj->GetX();
+ int clip_width = obj->GetWidth();
+ if (clip_x < x)
+ {
+ clip_width -= x-clip_x;
+ clip_x = x;
+ }
+ if (clip_width > 0)
+ {
+ if (clip_x + clip_width > x + width)
+ clip_width = x+width-clip_x;
+
+ if (clip_width > 0)
+ {
+ int clip_y = yabs + obj->GetY();
+ int clip_height = obj->GetHeight();
+ if (clip_y < y)
+ {
+ clip_height -= y-clip_y;
+ clip_y = y;
+ }
+ if (clip_height > 0)
+ {
+ if (clip_y + clip_height > y + height)
+ clip_height = y+height-clip_y;
+
+ if (clip_height > 0)
+ obj->Render(xabs,yabs, clip_x, clip_y, clip_width, clip_height );
+ }
+ }
+ }
+ }
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasObjectGroup::WriteSVG( wxTextOutputStream &stream )
+{
+}
+
+bool wxCanvasObjectGroup::IsHit( int x, int y, int margin )
+{
+ wxNode *node = m_objects.Last();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ if (!obj->IsControl())
+ {
+ if (obj->IsHit(x,y,margin))
+ {
+ return true;
+ }
+ }
+ node = node->Previous();
+ }
+ return false;
+}
+
+wxCanvasObject* wxCanvasObjectGroup::IsHitObject( int x, int y, int margin )
+{
+ wxCanvasObject *obj=0;
+ wxNode *node = m_objects.Last();
+ while (node)
+ {
+ obj=(wxCanvasObject*) node->Data();
+
+ if (!obj->IsControl())
+ {
+ if (obj->IsHit(x,y,margin))
+ {
+ return obj;
+ }
+ }
+ node = node->Previous();
+ }
+ return 0;
+}
+
+//----------------------------------------------------------------------------
+// wxCanvasObjectGroupRef
+//----------------------------------------------------------------------------
+
+wxCanvasObjectGroupRef::wxCanvasObjectGroupRef(double x, double y, wxCanvasObjectGroup* group)
+ : wxCanvasObject()
+{
+ m_x = x;
+ m_y = y;
+ m_validbounds=false;
+ m_group=group;
+}
+
+void wxCanvasObjectGroupRef::SetOwner(wxCanvas* canvas)
+{
+ m_owner=canvas;
+ m_group->SetOwner(canvas);
+}
+
+void wxCanvasObjectGroupRef::ExtendArea(int x, int y)
+{
+ if (m_validbounds)
+ {
+ if ( x < m_minx ) m_minx = x;
+ if ( y < m_miny ) m_miny = y;
+ if ( x > m_maxx ) m_maxx = x;
+ if ( y > m_maxy ) m_maxy = y;
+ }
+ else
+ {
+ m_validbounds = true;
+
+ m_minx = x;
+ m_miny = y;
+ m_maxx = x;
+ m_maxy = y;
+ }
+
+}
+
+void wxCanvasObjectGroupRef::Recreate()
+{
+ m_validbounds=false;
+ m_group->Recreate();
+ ExtendArea(m_group->GetXMin(),m_group->GetYMin());
+ ExtendArea(m_group->GetXMax(),m_group->GetYMax());
+
+ //set the area in pixels relative to the parent
+ SetArea( m_owner->GetDeviceX( m_x + m_minx ),
+ m_owner->GetDeviceY( m_y + m_miny ),
+ m_owner->GetDeviceWidth( m_maxx-m_minx ),
+ m_owner->GetDeviceHeight( m_maxy-m_miny ) );
+}
+
+void wxCanvasObjectGroupRef::Render(int xabs, int yabs, int x, int y, int width, int height )
+{
+ wxImage *image = m_owner->GetBuffer();
+ xabs+=m_owner->GetDeviceX(GetPosX());
+ yabs+=m_owner->GetDeviceY(GetPosY());
+
+ int clip_x = xabs + m_group->GetXMin();
+ int clip_width = m_group->GetXMax()-m_group->GetXMin();
+ if (clip_x < x)
+ {
+ clip_width -= x-clip_x;
+ clip_x = x;
+ }
+ if (clip_width > 0)
+ {
+ if (clip_x + clip_width > x + width)
+ clip_width = x+width-clip_x;
+
+ if (clip_width > 0)
+ {
+ int clip_y = yabs + m_group->GetYMin();
+ int clip_height = m_group->GetYMax()-m_group->GetYMin();
+ if (clip_y < y)
+ {
+ clip_height -= y-clip_y;
+ clip_y = y;
+ }
+ if (clip_height > 0)
+ {
+ if (clip_y + clip_height > y + height)
+ clip_height = y+height-clip_y;
+
+ if (clip_height > 0)
+ m_group->Render(xabs,yabs, clip_x, clip_y, clip_width, clip_height );
+ }
+ }
+ }
+}
+
+void wxCanvasObjectGroupRef::WriteSVG( wxTextOutputStream &stream )
+{
+}
+
+bool wxCanvasObjectGroupRef::IsHit( int x, int y, int margin )
+{
+ return m_group->IsHit(x-GetPosX(),y-GetPosY(),margin);
+}
+
+wxCanvasObject* wxCanvasObjectGroupRef::IsHitObject( int x, int y, int margin )
projects / wxWidgets.git / blobdiff