Create class Fl_Widget_Surface that supports draw(Fl_Widget *, int, int).

This simplifies the implementation of Fl_Copy_Surface and Fl_Image_Surface
which now are made to derive from Fl_Widget_Surface.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11220 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 13 insertions, 0 deletions

diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
index 175a48e7e..1230290c6 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver.cxx
@@ -20,6 +20,7 @@
 #include <config.h>
 #include "../../config_lib.h"
 #include "Fl_GDI_Graphics_Driver.h"
+#include <FL/Fl.H>
 
 
 /* Reference to the current device context
@@ -129,6 +130,18 @@ void Fl_GDI_Graphics_Driver::copy_offscreen_with_alpha(int x,int y,int w,int h,H
   DeleteDC(new_gc);
 }
 
+void Fl_Translated_GDI_Graphics_Driver::translate_all(int x, int y) {
+  GetWindowOrgEx((HDC)gc(), origins+depth);
+  SetWindowOrgEx((HDC)gc(), origins[depth].x - x, origins[depth].y - y, NULL);
+  if (depth < sizeof(origins)/sizeof(POINT)) depth++;
+  else Fl::warning("Fl_Copy_Surface: translate stack overflow!");
+}
+
+void Fl_Translated_GDI_Graphics_Driver::untranslate_all() {
+  if (depth > 0) depth--;
+  SetWindowOrgEx((HDC)gc(), origins[depth].x, origins[depth].y, NULL);
+}
+
 //
 // End of "$Id$".
 //