Quartz:

- support for Fl_RGB_Image, including alpha rendering


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@3794 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

src/Fl_Image.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Image.cxx,v 1.5.2.3.2.33 2004/08/25 00:20:25 matthiaswm Exp $"
+// "$Id: Fl_Image.cxx,v 1.5.2.3.2.34 2004/08/27 21:57:18 matthiaswm Exp $"
 //
 // Image drawing code for the Fast Light Tool Kit (FLTK).
 //
@@ -124,6 +124,10 @@ Fl_RGB_Image::~Fl_RGB_Image() {
 }
 
 void Fl_RGB_Image::uncache() {
+#ifdef __APPLE_QUARTZ__
+  if (id)
+    CGImageRelease((CGImageRef)id);
+#elif
   if (id) {
     fl_delete_offscreen((Fl_Offscreen)id);
     id = 0;
@@ -133,6 +137,7 @@ void Fl_RGB_Image::uncache() {
     fl_delete_bitmask((Fl_Bitmask)mask);
     mask = 0;
   }
+#endif
 }
 
 Fl_Image *Fl_RGB_Image::copy(int W, int H) {
@@ -309,6 +314,15 @@ void Fl_RGB_Image::draw(int XP, int YP, int WP, int HP, int cx, int cy) {
   if (cy+H > h()) H = h()-cy;
   if (H <= 0) return;
   if (!id) {
+#ifdef __APPLE_QUARTZ__
+    CGColorSpaceRef lut = CGColorSpaceCreateDeviceRGB();
+    CGDataProviderRef src = CGDataProviderCreateWithData( 0L, array, w()*h()*d(), 0L);
+    id = CGImageCreate( w(), h(), 8, d()*8, ld()?ld():w()*d(),
+        lut, (d()&1)?kCGImageAlphaNone:kCGImageAlphaLast,
+        src, 0L, false, kCGRenderingIntentDefault);
+    CGColorSpaceRelease(lut);
+    CGDataProviderRelease(src);
+#else
     id = fl_create_offscreen(w(), h());
     fl_begin_offscreen((Fl_Offscreen)id);
     fl_draw_image(array, 0, 0, w(), h(), d(), ld());
@@ -317,6 +331,7 @@ void Fl_RGB_Image::draw(int XP, int YP, int WP, int HP, int cx, int cy) {
     if (d() == 2 || d() == 4) {
       mask = fl_create_alphamask(w(), h(), d(), ld(), array);
     }
+#endif
   }
 #ifdef WIN32
   if (mask) {
@@ -365,40 +380,10 @@ void Fl_RGB_Image::draw(int XP, int YP, int WP, int HP, int cx, int cy) {
     fl_copy_offscreen(X, Y, W, H, (Fl_Offscreen)id, cx, cy);
   }
 #elif defined(__APPLE_QUARTZ__)
-#warning quartz
+# warning : Quartz implementation not finished yet
-  if (mask) {
+  if (id && fl_gc) {
-    Rect src, dst;
+    CGRect rect = { X, Y, w(), h() };
-    // MRS: STR #114 says we should be using cx, cy, W, and H...
+    CGContextDrawImage(fl_gc, rect, (CGImageRef)id);
-//    src.left = 0; src.right = w();
-//    src.top = 0; src.bottom = h();
-//    dst.left = X; dst.right = X+w();
-//    dst.top = Y; dst.bottom = Y+h();
-    src.left = cx; src.right = cx+W;
-    src.top = cy; src.bottom = cy+H;
-    dst.left = X; dst.right = X+W;
-    dst.top = Y; dst.bottom = Y+H;
-    RGBColor rgb;
-    rgb.red = 0xffff; rgb.green = 0xffff; rgb.blue = 0xffff;
-    RGBBackColor(&rgb); 
-    rgb.red = 0x0000; rgb.green = 0x0000; rgb.blue = 0x0000;
-    RGBForeColor(&rgb);
-
-#  if 0
-    // MRS: This *should* work, but doesn't on my system (iBook); change to
-    //      "#if 1" and restore the corresponding code in Fl_Bitmap.cxx
-    //      to test the real alpha channel support.
-    CopyDeepMask(GetPortBitMapForCopyBits((GrafPtr)id),
-                 GetPortBitMapForCopyBits((GrafPtr)mask),
-                 GetPortBitMapForCopyBits(GetWindowPort(fl_window)),
-                 &src, &src, &dst, blend, NULL);
-#  else // Fallback to screen-door transparency...
-    CopyMask(GetPortBitMapForCopyBits((GrafPtr)id),
-             GetPortBitMapForCopyBits((GrafPtr)mask),
-             GetPortBitMapForCopyBits(GetWindowPort(fl_window)),
-             &src, &src, &dst);
-#  endif // 0
-  } else {
-    fl_copy_offscreen(X, Y, W, H, (Fl_Offscreen)id, cx, cy);
   }
 #else
   if (mask) {
@@ -433,5 +418,5 @@ void Fl_RGB_Image::label(Fl_Menu_Item* m) {
 
 
 //
-// End of "$Id: Fl_Image.cxx,v 1.5.2.3.2.33 2004/08/25 00:20:25 matthiaswm Exp $".
+// End of "$Id: Fl_Image.cxx,v 1.5.2.3.2.34 2004/08/27 21:57:18 matthiaswm Exp $".
 //