add RenderControl::drawMask

[chaz/openbox] / otk / rendercontrol.cc

diff --git a/otk/rendercontrol.cc b/otk/rendercontrol.cc
index aae6c76bfa3a01f02b3c82f06c3f15f74de8c6e3..edf4a470d5bff80f17d04f1b17ec7a2ffe4ce1a1 100644 (file)
--- a/otk/rendercontrol.cc
+++ b/otk/rendercontrol.cc
@@ -1,14 +1,13 @@
 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
 
-#ifdef    HAVE_CONFIG_H
-#  include "../config.h"
-#endif // HAVE_CONFIG_H
+#include "config.h"
 
 #include "rendercontrol.hh"
 #include "truerendercontrol.hh"
 #include "pseudorendercontrol.hh"
 #include "rendertexture.hh"
 #include "rendercolor.hh"
+#include "renderstyle.hh"
 #include "display.hh"
 #include "screeninfo.hh"
 #include "surface.hh"
@@ -50,15 +49,11 @@ RenderControl::RenderControl(int screen)
   : _screen(screen)
 {
   printf("Initializing RenderControl\n");
-
-  
 }
 
 RenderControl::~RenderControl()
 {
   printf("Destroying RenderControl\n");
-
-
 }
 
 void RenderControl::drawRoot(const RenderColor &color) const
@@ -120,7 +115,7 @@ void RenderControl::drawSolidBackground(Surface& sf,
   
   sf.setPixmap(texture.color());
 
-  int width = sf.width(), height = sf.height();
+  int width = sf.size().width(), height = sf.size().height();
   int left = 0, top = 0, right = width - 1, bottom = height - 1;
 
   if (texture.interlaced())
@@ -195,4 +190,28 @@ void RenderControl::drawSolidBackground(Surface& sf,
   }
 }
 
+void RenderControl::drawMask(Surface &sf, const RenderColor &color,
+                             const PixmapMask &mask) const
+{
+  assert(_screen == sf._screen);
+  assert(_screen == color.screen());
+
+  if (mask.mask == None) return; // no mask given
+
+  int width = sf.size().width(), height = sf.size().height();
+  
+  // set the clip region
+  int x = (width - mask.w) / 2, y = (height - mask.h) / 2;
+  XSetClipMask(**display, color.gc(), mask.mask);
+  XSetClipOrigin(**display, color.gc(), x, y);
+
+  // fill in the clipped region
+  XFillRectangle(**display, sf.pixmap(), color.gc(), x, y,
+                 x + mask.w, y + mask.h);
+
+  // unset the clip region
+  XSetClipMask(**display, color.gc(), None);
+  XSetClipOrigin(**display, color.gc(), 0, 0);
+}
+
 }