diff --git a/src/fl_draw_image_mac.cxx b/src/fl_draw_image_mac.cxx
index 12491654c..8034c8d7e 100644
--- a/src/fl_draw_image_mac.cxx
+++ b/src/fl_draw_image_mac.cxx
@@ -1,5 +1,5 @@
 //
-// "$Id: fl_draw_image_mac.cxx,v 1.1.2.10 2004/09/09 23:43:40 matthiaswm Exp $"
+// "$Id: fl_draw_image_mac.cxx,v 1.1.2.11 2004/09/10 00:07:52 matthiaswm Exp $"
 //
 // MacOS image drawing code for the Fast Light Tool Kit (FLTK).
 //
@@ -165,37 +165,37 @@ static void innards(const uchar *buf, int X, int Y, int W, int H,
     }
   }
 #elif defined(__APPLE_QUARTZ__)
-  if (delta>=1||delta<=4) {
-    void *array = buf;
-    uchar *tmpBuf;
-    if (cb) {
-      tmpBuf = new uchar[ H*W*delta ];
-      for (int i=0; i<H; i++) {
-        cb(userdata, 0, i, W, tmpBuf+i*W*delta);
-      }
-      array = (void*)tmpBuf;
-      linedelta = W;
+  void *array = buf;
+  uchar *tmpBuf;
+  if (cb) {
+    tmpBuf = new uchar[ H*W*delta ];
+    for (int i=0; i<H; i++) {
+      cb(userdata, 0, i, W, tmpBuf+i*W*delta);
     }
-    // create an image context
-    CGColorSpaceRef   lut = CGColorSpaceCreateDeviceRGB();
-    CGDataProviderRef src = CGDataProviderCreateWithData( 0L, array, linedelta*H*delta, 0L);
-    CGImageRef        img = CGImageCreate( W, H, 8, 8*delta, linedelta*delta,
-                              lut, kCGImageAlphaNone,
-                              src, 0L, false, kCGRenderingIntentDefault);
-    // draw the image into the destination context
+    array = (void*)tmpBuf;
+    linedelta = W;
+  }
+  // create an image context
+  CGColorSpaceRef   lut = CGColorSpaceCreateDeviceRGB();
+  CGDataProviderRef src = CGDataProviderCreateWithData( 0L, array, linedelta*H*delta, 0L);
+  CGImageRef        img = CGImageCreate( W, H, 8, 8*delta, linedelta*delta,
+                            lut, delta&1?kCGImageAlphaNone:kCGImageAlphaNoneSkipLast,
+                            src, 0L, false, kCGRenderingIntentDefault);
+  // draw the image into the destination context
+  if (img) {
     CGRect rect = { X, Y, W, H };
     Fl_X::q_begin_image(rect, 0, 0, W, H);
     CGContextDrawImage(fl_gc, rect, img);
     Fl_X::q_end_image();
     // release all allocated resources
     CGImageRelease(img);
-    CGColorSpaceRelease(lut);
-    CGDataProviderRelease(src);
-    if (cb) {
-      delete[] tmpBuf;
-    }
-    return;
   }
+  CGColorSpaceRelease(lut);
+  CGDataProviderRelease(src);
+  if (cb) {
+    delete[] tmpBuf;
+  }
+  if (img) return; // else fall through to slow mode
   // following the very save (and very slow) way to write the image into the give port
   CGContextSetShouldAntialias(fl_gc, false);
   if ( cb )
@@ -264,5 +264,5 @@ void fl_rectf(int x, int y, int w, int h, uchar r, uchar g, uchar b) {
 }
 
 //
-// End of "$Id: fl_draw_image_mac.cxx,v 1.1.2.10 2004/09/09 23:43:40 matthiaswm Exp $".
+// End of "$Id: fl_draw_image_mac.cxx,v 1.1.2.11 2004/09/10 00:07:52 matthiaswm Exp $".
 //