X11 and WIN32: slightly change Fl_XXX_Graphics_Driver::cache(Fl_Pixmap*) to use the Fl_Image_Surface object.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12399 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

2 files changed, 11 insertions, 5 deletions

diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver.H b/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
index 82ff10739..897f66ffa 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
@@ -72,6 +72,7 @@ public:
   virtual void draw_image_mono_unscaled(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0);
   virtual void draw_image_mono_unscaled(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
   fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array);
+  virtual void uncache_pixmap(fl_uintptr_t p);
   fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array);
   void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_);
   virtual double width_unscaled(const char *str, int n);
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
index 4749ad14a..350381d9e 100644
--- a/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver_image.cxx
@@ -644,9 +644,8 @@ void Fl_GDI_Printer_Graphics_Driver::draw_unscaled(Fl_Pixmap *pxm, float s, int
 
 
 fl_uintptr_t Fl_GDI_Graphics_Driver::cache(Fl_Pixmap *img, int w, int h, const char *const*data) {
-  Fl_Offscreen id;
-  id = fl_create_offscreen(w, h);
-  fl_begin_offscreen(id);
+  Fl_Image_Surface *surf = new Fl_Image_Surface(w, h);
+  Fl_Surface_Device::push_current(surf);
   uchar *bitmap = 0;
   Fl_Surface_Device::surface()->driver()->mask_bitmap(&bitmap);
   fl_draw_pixmap(data, 0, 0, FL_BLACK);
@@ -656,11 +655,17 @@ fl_uintptr_t Fl_GDI_Graphics_Driver::cache(Fl_Pixmap *img, int w, int h, const c
     *Fl_Graphics_Driver::mask(img) = (fl_uintptr_t)fl_create_bitmask(w, h, bitmap);
     delete[] bitmap;
   }
-  fl_end_offscreen();
-  *cache_scale(img) =  Fl_Scalable_Graphics_Driver::scale();
+  Fl_Surface_Device::pop_current();
+  Fl_Offscreen id = surf->get_offscreen_before_delete();
+  delete surf;
+  *cache_scale(img) =  1;
   return (fl_uintptr_t)id;
 }
 
+void Fl_GDI_Graphics_Driver::uncache_pixmap(fl_uintptr_t offscreen) {
+  DeleteObject((Fl_Offscreen)offscreen);
+}
+
 //
 // End of "$Id$".
 //