// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// wxRegion
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// wxRegion
//-----------------------------------------------------------------------------
wxRegion::wxRegion( long x, long y, long w, long h )
{
wxRegion::wxRegion( long x, long y, long w, long h )
{
- m_refData = new wxRegionRefData();
- GdkRegion *reg = gdk_region_new();
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
- M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
- gdk_region_destroy( reg );
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
+ m_refData = new wxRegionRefData();
+ GdkRegion *reg = gdk_region_new();
+ GdkRectangle rect;
+ rect.x = x;
+ rect.y = y;
+ rect.width = w;
+ rect.height = h;
+ M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
+ gdk_region_destroy( reg );
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
- m_refData = new wxRegionRefData();
- GdkRegion *reg = gdk_region_new();
- GdkRectangle rect;
- rect.x = topLeft.x;
- rect.y = topLeft.y;
- rect.width = bottomRight.x - rect.x;
- rect.height = bottomRight.y - rect.y;
- M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
- gdk_region_destroy( reg );
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
+ m_refData = new wxRegionRefData();
+ GdkRegion *reg = gdk_region_new();
+ GdkRectangle rect;
+ rect.x = topLeft.x;
+ rect.y = topLeft.y;
+ rect.width = bottomRight.x - rect.x;
+ rect.height = bottomRight.y - rect.y;
+ M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
+ gdk_region_destroy( reg );
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
- m_refData = new wxRegionRefData();
- GdkRegion *reg = gdk_region_new();
- GdkRectangle g_rect;
- g_rect.x = rect.x;
- g_rect.y = rect.y;
- g_rect.width = rect.width;
- g_rect.height = rect.height;
- M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
- gdk_region_destroy( reg );
+ m_refData = new wxRegionRefData();
+ GdkRegion *reg = gdk_region_new();
+ GdkRectangle g_rect;
+ g_rect.x = rect.x;
+ g_rect.y = rect.y;
+ g_rect.width = rect.width;
+ g_rect.height = rect.height;
+ M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
+ gdk_region_destroy( reg );
- wxNode *node = M_REGIONDATA->m_rects.First();
- while (node)
- {
- wxRect *r = (wxRect*)node->Data();
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
- node = node->Next();
- }
+ wxNode *node = M_REGIONDATA->m_rects.First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+ node = node->Next();
+ }
}
bool wxRegion::Union( long x, long y, long width, long height )
{
}
bool wxRegion::Union( long x, long y, long width, long height )
{
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = width;
- rect.height = height;
- GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
- return TRUE;
+ GdkRectangle rect;
+ rect.x = x;
+ rect.y = y;
+ rect.width = width;
+ rect.height = height;
+ GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
+ gdk_region_destroy( M_REGIONDATA->m_region );
+ M_REGIONDATA->m_region = reg;
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
+ return TRUE;
- GdkRectangle g_rect;
- g_rect.x = rect.x;
- g_rect.y = rect.y;
- g_rect.width = rect.width;
- g_rect.height = rect.height;
- GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
- return TRUE;
+ GdkRectangle g_rect;
+ g_rect.x = rect.x;
+ g_rect.y = rect.y;
+ g_rect.width = rect.width;
+ g_rect.height = rect.height;
+ GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
+ gdk_region_destroy( M_REGIONDATA->m_region );
+ M_REGIONDATA->m_region = reg;
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
+ return TRUE;
- GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
+ GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
+ gdk_region_destroy( M_REGIONDATA->m_region );
+ M_REGIONDATA->m_region = reg;
- wxNode *node = region.GetRectList()->First();
- while (node)
- {
- wxRect *r = (wxRect*)node->Data();
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
- node = node->Next();
- }
+ wxNode *node = region.GetRectList()->First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+ node = node->Next();
+ }
}
bool wxRegion::Intersect( long x, long y, long width, long height )
{
}
bool wxRegion::Intersect( long x, long y, long width, long height )
{
- wxRegion reg( x, y, width, height );
- Intersect( reg );
- return TRUE;
+ wxRegion reg( x, y, width, height );
+ Intersect( reg );
+ return TRUE;
- GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
- return TRUE;
+ GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
+ gdk_region_destroy( M_REGIONDATA->m_region );
+ M_REGIONDATA->m_region = reg;
+ return TRUE;
}
bool wxRegion::Subtract( long x, long y, long width, long height )
{
}
bool wxRegion::Subtract( long x, long y, long width, long height )
{
- wxRegion reg( x, y, width, height );
- Subtract( reg );
- return TRUE;
+ wxRegion reg( x, y, width, height );
+ Subtract( reg );
+ return TRUE;
- GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
- return TRUE;
+ GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
+ gdk_region_destroy( M_REGIONDATA->m_region );
+ M_REGIONDATA->m_region = reg;
+ return TRUE;
}
bool wxRegion::Xor( long x, long y, long width, long height )
{
}
bool wxRegion::Xor( long x, long y, long width, long height )
{
- wxRegion reg( x, y, width, height );
- Xor( reg );
- return TRUE;
+ wxRegion reg( x, y, width, height );
+ Xor( reg );
+ return TRUE;
- GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
+ GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
+ gdk_region_destroy( M_REGIONDATA->m_region );
+ M_REGIONDATA->m_region = reg;
- wxNode *node = region.GetRectList()->First();
- while (node)
- {
- wxRect *r = (wxRect*)node->Data();
- M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
- node = node->Next();
- }
+ wxNode *node = region.GetRectList()->First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+ node = node->Next();
+ }
}
void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
{
}
void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
{
- x = r->x;
- y = r->y;
- w = r->width;
- h = r->height;
+ wxRect *r = (wxRect*)node->Data();
+ if (node == GetRectList()->First())
+ {
+ x = r->x;
+ y = r->y;
+ w = r->width;
+ h = r->height;
+ }
+ else
+ {
+ if (r->x < x)
+ {
+ x = r->x;
+ w += x - r->x;
+ }
+ if (r->y < y)
+ {
+ y = r->y;
+ h += y - r->y;
+ }
+ if (r->width+r->x > x+w)
+ {
+ w = r->x + r->width - x;
+ }
+ if (r->height+r->y > y+h)
+ {
+ h = r->y + r->height - y;
+ }
+ }
+ node = node->Next();
- long x = 0;
- long y = 0;
- long w = -1;
- long h = -1;
- GetBox( x, y, w, h );
- return wxRect( x, y, w, h );
+ long x = 0;
+ long y = 0;
+ long w = -1;
+ long h = -1;
+ GetBox( x, y, w, h );
+ return wxRect( x, y, w, h );
}
wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
{
}
wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
{
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
- GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
- switch (res)
- {
- case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
- case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
- case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
- }
- return wxOutRegion;
+ GdkRectangle rect;
+ rect.x = x;
+ rect.y = y;
+ rect.width = w;
+ rect.height = h;
+ GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
+ switch (res)
+ {
+ case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
+ case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
+ case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
+ }
+ return wxOutRegion;
- return Contains( rect.x, rect.y, rect.width, rect.height );
+ return Contains( rect.x, rect.y, rect.width, rect.height );