wxWindowDC::~wxWindowDC(void)
{
- if ((m_oldFont != (WXFont) 0) && ((long) m_oldFont != -1))
+ if (m_gc && (m_oldFont != (WXFont) 0) && ((long) m_oldFont != -1))
{
XSetFont ((Display*) m_display, (GC) m_gc, (Font) m_oldFont);
int pixel = m_backgroundBrush.GetColour().AllocColour(m_display);
- XSetWindowBackground ((Display*) m_display, (Pixmap) m_pixmap, pixel);
+ // XSetWindowBackground doesn't work for non-Window pixmaps
+ if (!this->IsKindOf(CLASSINFO(wxMemoryDC)))
+ XSetWindowBackground ((Display*) m_display, (Pixmap) m_pixmap, pixel);
// Necessary for ::DrawIcon, which use fg/bg pixel or the GC.
// And Blit,... (Any fct that use XCopyPlane, in fact.)
// clipping imposed on a window by a repaint.
// We'll combine it with the user region. But for now,
// just use the currently-defined user clipping region.
- if (m_userRegion || (m_window && m_window->GetPaintRegion()) )
+ if (m_userRegion || (m_window && m_window->GetUpdateRegion().Ok()) )
m_currentRegion = (WXRegion) XCreateRegion ();
else
m_currentRegion = (WXRegion) NULL;
- if ((m_window && m_window->GetPaintRegion()) && m_userRegion)
- XIntersectRegion ((Region) m_window->GetPaintRegion(), (Region) m_userRegion, (Region) m_currentRegion);
+ if ((m_window && m_window->GetUpdateRegion().Ok()) && m_userRegion)
+ XIntersectRegion ((Region) m_window->GetUpdateRegion().GetXRegion(), (Region) m_userRegion, (Region) m_currentRegion);
else if (m_userRegion)
XIntersectRegion ((Region) m_userRegion, (Region) m_userRegion, (Region) m_currentRegion);
- else if (m_window && m_window->GetPaintRegion())
- XIntersectRegion ((Region) m_window->GetPaintRegion(), (Region) m_window->GetPaintRegion(),
+ else if (m_window && m_window->GetUpdateRegion().Ok())
+ XIntersectRegion ((Region) m_window->GetUpdateRegion().GetXRegion(), (Region) m_window->GetUpdateRegion().GetXRegion(),
(Region) m_currentRegion);
if (m_currentRegion)
}
}
-void wxWindowDC::DrawOpenSpline( wxList *points )
+void wxWindowDC::DrawSpline( wxList *points )
{
wxPoint *p;
double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4;
wx_spline_draw_point_array( this );
};
+
+/*
+ * wxPaintDC
+ */
+
+wxPaintDC::wxPaintDC(wxWindow* win): wxWindowDC(win)
+{
+ wxRegion* region = NULL;
+
+ // Combine all the update rects into a region
+ if (win->m_updateRects.Number() > 0)
+ {
+ int i = 0;
+ for (i = 0; i < win->m_updateRects.Number(); i++)
+ {
+ wxRect* rect = (wxRect*) win->m_updateRects.Nth(i)->Data();
+ /*
+ cout << "wxPaintDC. wxRect: " << rect->x << ", " << rect->y << ", ";
+ cout << rect->width << ", " << rect->height << "\n\n";
+ */
+
+ if (!region)
+ region = new wxRegion(*rect);
+ else
+ // TODO: is this correct? In SetDCClipping above,
+ // XIntersectRegion is used to combine paint and user
+ // regions. XIntersectRegion appears to work in that case...
+ region->Union(*rect);
+ }
+ }
+ else
+ {
+ int cw, ch;
+ win->GetClientSize(&cw, &ch);
+ region = new wxRegion(wxRect(0, 0, cw, ch));
+ }
+
+ win->m_updateRegion = *region;
+
+ // Set the clipping region. Any user-defined region will be combined with this
+ // one in SetDCClipping.
+ XSetRegion ((Display*) m_display, (GC) m_gc, (Region) region->GetXRegion());
+
+ delete region;
+}
+
+wxPaintDC::~wxPaintDC()
+{
+ XSetClipMask ((Display*) m_display, (GC) m_gc, None);
+ if (m_window)
+ m_window->m_updateRegion.Clear();
+}
+