53358

1 files changed, 54 insertions, 1 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/graphics/GC.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/graphics/GC.java
index ea85766395..4fe0d07b48 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/graphics/GC.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/graphics/GC.java
@@ -170,7 +170,60 @@ public void copyArea(Image image, int x, int y) {
 	if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);
 	if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
 	if (image.type != SWT.BITMAP || image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
-	//NOT IMPLEMENTED
+	if (data.control != 0) {
+		int[] offscreen = new int[1];
+		OS.HIViewCreateOffscreenImage(data.control, 0, null, offscreen);
+		copyArea(image, x, y, offscreen[0]);
+		if (offscreen[0] != 0) OS.CGImageRelease(offscreen[0]);
+	} else if (data.image != null) {
+		copyArea(image, x, y, data.image.handle);
+	} else if (data.window != 0) {
+//		int imageHandle = image.handle;
+//		CGRect rect = new CGRect();
+//		rect.x = x;
+//		rect.y = y;
+//		rect.width = OS.CGImageGetWidth(imageHandle);
+//		rect.height = OS.CGImageGetHeight(imageHandle);
+//		int[] displays = new int[16];
+//		int[] count = new int[1];
+//		if (OS.CGGetDisplaysWithRect(rect, displays.length, displays, count) != 0) return;
+//		for (int i = 0; i < count[0]; i++) {
+//			int display = displays[i];
+//			if (OS.CGDisplayCapture(display) == 0) {
+//				int address = OS.CGDisplayAddressForPosition (display, x, y);
+//				System.out.println(address);
+//				int colorspace = data.device.colorspace;
+//				int provider = OS.CGDataProviderCreateWithData(0, data, dataSize, 0);
+//				int srcImage = OS.CGImageCreate(width, height, 8, 32, bpr, colorspace, OS.kCGImageAlphaNoneSkipFirst, provider, null, false, 0);
+//				OS.CGDataProviderRelease(provider);
+//				copyArea(image, x, y, srcImage);
+//				if (srcImage != 0) OS.CGImageRelease(srcImage);
+//				OS.CGDisplayRelease(display);
+//			}
+//		}
+	}	
+}
+
+void copyArea (Image image, int x, int y, int srcImage) {
+	if (srcImage == 0) return;
+	int imageHandle = image.handle;
+	int bpc = OS.CGImageGetBitsPerComponent(imageHandle);
+	int width = OS.CGImageGetWidth(imageHandle);
+	int height = OS.CGImageGetHeight(imageHandle);
+	int bpr = OS.CGImageGetBytesPerRow(imageHandle);
+	int alphaInfo = OS.CGImageGetAlphaInfo(imageHandle);
+	int context = OS.CGBitmapContextCreate(image.data, width, height, bpc, bpr, data.device.colorspace, alphaInfo);
+	if (context != 0) { 
+	 	CGRect rect = new CGRect();
+	 	rect.x = -x;
+	 	rect.y = -y;
+	 	rect.width = OS.CGImageGetWidth(srcImage);
+		rect.height = OS.CGImageGetHeight(srcImage);
+		OS.CGContextScaleCTM(context, 1, -1);
+		OS.CGContextTranslateCTM(context, 0, -height);
+		OS.CGContextDrawImage(context, rect, srcImage);
+		OS.CGContextRelease(context);
+	}
 }
 
 /**