From f6cb583e27ffd6046da7a28edc35fc8001ea9415 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Mon, 12 Mar 2012 11:55:50 +0000
Subject: Replaced fl_copy_offscreen_with_alpha() by
 Fl_GDI_Graphics_Driver::copy_offscreen_with_alpha() and
 fl_create_offscreen_with_alpha() by
 Fl_Quartz_Graphics_Driver::create_offscreen_with_alpha()

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9278 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Double_Window.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/Fl_Double_Window.cxx')

diff --git a/src/Fl_Double_Window.cxx b/src/Fl_Double_Window.cxx
index 0e2919d7a..bec91f1c1 100644
--- a/src/Fl_Double_Window.cxx
+++ b/src/Fl_Double_Window.cxx
@@ -167,7 +167,7 @@ static void fl_copy_offscreen_to_display(int x,int y,int w,int h,HBITMAP bitmap,
   DeleteDC(new_gc);
 }
 
-void fl_copy_offscreen_with_alpha(int x,int y,int w,int h,HBITMAP bitmap,int srcx,int srcy) {
+void Fl_GDI_Graphics_Driver::copy_offscreen_with_alpha(int x,int y,int w,int h,HBITMAP bitmap,int srcx,int srcy) {
   HDC new_gc = CreateCompatibleDC(fl_gc);
   int save = SaveDC(new_gc);
   SelectObject(new_gc, bitmap);
@@ -176,7 +176,7 @@ void fl_copy_offscreen_with_alpha(int x,int y,int w,int h,HBITMAP bitmap,int src
   // if to printer, always try alpha_blend
   int to_display = Fl_Surface_Device::surface()->class_name() == Fl_Display_Device::class_id; // true iff display output
   if ( (to_display && fl_can_do_alpha_blending()) || Fl_Surface_Device::surface()->class_name() == Fl_Printer::class_id) {
-    alpha_ok = fl_alpha_blend(fl_gc, x, y, w, h, new_gc, srcx, srcy, w, h, blendfunc);
+    if (fl_alpha_blend) alpha_ok = fl_alpha_blend(fl_gc, x, y, w, h, new_gc, srcx, srcy, w, h, blendfunc);
   }
   // if that failed (it shouldn't), still copy the bitmap over, but now alpha is 1
   if (!alpha_ok) {
@@ -194,7 +194,7 @@ char fl_can_do_alpha_blending() {
   return 1;
 }
 
-Fl_Offscreen fl_create_offscreen_with_alpha(int w, int h) {
+Fl_Offscreen Fl_Quartz_Graphics_Driver::create_offscreen_with_alpha(int w, int h) {
   void *data = calloc(w*h,4);
   CGColorSpaceRef lut = CGColorSpaceCreateDeviceRGB();
   CGContextRef ctx = CGBitmapContextCreate(
-- 
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