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, 12 insertions, 6 deletions

diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
index ccfa7dc48..473da8333 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver.H
@@ -122,6 +122,7 @@ public:
   virtual void rtl_draw_unscaled(const char* str, int n, int x, int y);
   virtual void font_unscaled(Fl_Font face, Fl_Fontsize size);
   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/Xlib/Fl_Xlib_Graphics_Driver_image.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
index c7b298493..c888f4608 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
@@ -813,22 +813,27 @@ void Fl_Xlib_Graphics_Driver::draw_unscaled(Fl_Pixmap *pxm, float s, int X, int
 
 
 fl_uintptr_t Fl_Xlib_Graphics_Driver::cache(Fl_Pixmap *pxm, 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);
   Fl_Surface_Device::surface()->driver()->mask_bitmap(0);
   if (bitmap) {
-    *Fl_Graphics_Driver::mask(pxm) = (fl_uintptr_t)create_bitmask(w * scale_, h * scale_, bitmap);
+    *Fl_Graphics_Driver::mask(pxm) = (fl_uintptr_t)create_bitmask(w, h, bitmap);
     delete[] bitmap;
   }
-  fl_end_offscreen();
-  *cache_scale(pxm) =  Fl_Scalable_Graphics_Driver::scale();
+  Fl_Surface_Device::pop_current();
+  Fl_Offscreen id = surf->get_offscreen_before_delete();
+  delete surf;
+  *cache_scale(pxm) =  1;
   return (fl_uintptr_t)id;
 }
 
+void Fl_Xlib_Graphics_Driver::uncache_pixmap(fl_uintptr_t offscreen) {
+  XFreePixmap(fl_display, (Fl_Offscreen)offscreen);
+}
+
 
 #if HAVE_XRENDER
 /* Draws with Xrender an Fl_Offscreen with optional scaling and accounting for transparency if necessary.