Implement non-rectangular windows using the Window Driver mechanism.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11336 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 12 insertions, 0 deletions

diff --git a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
index 8a4998753..252550a56 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
+++ b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
@@ -42,10 +42,22 @@
  ? where do we handle the interface between OpenGL/DirectX and Cocoa/WIN32/Glx?
  */
 
+struct Fl_Window_Driver::shape_data_type {
+  int lw_; ///<  width of shape image
+  int lh_; ///<  height of shape image
+  Fl_Image* shape_; ///<  shape image
+  Fl_Bitmap *todelete_; ///<  auxiliary bitmap image
+};
+
 class FL_EXPORT Fl_WinAPI_Window_Driver : public Fl_Window_Driver
 {
+private:
+  void shape_bitmap_(Fl_Image* b);
+  void shape_alpha_(Fl_Image* img, int offset);
 public:
   Fl_WinAPI_Window_Driver(Fl_Window*);
+  virtual void shape(const Fl_Image* img);
+  virtual void draw();
 };