Index: base/gfx/blit.cc |
=================================================================== |
--- base/gfx/blit.cc (revision 28001) |
+++ base/gfx/blit.cc (working copy) |
@@ -1,101 +0,0 @@ |
-// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "base/gfx/blit.h" |
- |
-#if defined(OS_LINUX) |
-#include <cairo/cairo.h> |
-#endif |
- |
-#include "base/gfx/point.h" |
-#include "base/gfx/rect.h" |
-#if defined(OS_MACOSX) |
-#include "base/scoped_cftyperef.h" |
-#endif |
-#include "skia/ext/platform_canvas.h" |
-#include "skia/ext/platform_device.h" |
- |
-namespace gfx { |
- |
-void BlitContextToContext(NativeDrawingContext dst_context, |
- const Rect& dst_rect, |
- NativeDrawingContext src_context, |
- const Point& src_origin) { |
-#if defined(OS_WIN) |
- BitBlt(dst_context, dst_rect.x(), dst_rect.y(), |
- dst_rect.width(), dst_rect.height(), |
- src_context, src_origin.x(), src_origin.y(), SRCCOPY); |
-#elif defined(OS_MACOSX) |
- // Only translations and/or vertical flips in the source context are |
- // supported; more complex source context transforms will be ignored. |
- |
- // If there is a translation on the source context, we need to account for |
- // it ourselves since CGBitmapContextCreateImage will bypass it. |
- Rect src_rect(src_origin, dst_rect.size()); |
- CGAffineTransform transform = CGContextGetCTM(src_context); |
- bool flipped = fabs(transform.d + 1) < 0.0001; |
- CGFloat delta_y = flipped ? CGBitmapContextGetHeight(src_context) - |
- transform.ty |
- : transform.ty; |
- src_rect.Offset(transform.tx, delta_y); |
- |
- scoped_cftyperef<CGImageRef> |
- src_image(CGBitmapContextCreateImage(src_context)); |
- scoped_cftyperef<CGImageRef> src_sub_image( |
- CGImageCreateWithImageInRect(src_image, src_rect.ToCGRect())); |
- CGContextDrawImage(dst_context, dst_rect.ToCGRect(), src_sub_image); |
-#elif defined(OS_LINUX) |
- // Only translations in the source context are supported; more complex |
- // source context transforms will be ignored. |
- cairo_save(dst_context); |
- double surface_x = src_origin.x(); |
- double surface_y = src_origin.y(); |
- cairo_user_to_device(src_context, &surface_x, &surface_y); |
- cairo_set_source_surface(dst_context, cairo_get_target(src_context), |
- dst_rect.x()-surface_x, dst_rect.y()-surface_y); |
- cairo_rectangle(dst_context, dst_rect.x(), dst_rect.y(), |
- dst_rect.width(), dst_rect.height()); |
- cairo_clip(dst_context); |
- cairo_paint(dst_context); |
- cairo_restore(dst_context); |
-#endif |
-} |
- |
-static NativeDrawingContext GetContextFromCanvas( |
- skia::PlatformCanvas *canvas) { |
- skia::PlatformDevice& device = canvas->getTopPlatformDevice(); |
-#if defined(OS_WIN) |
- return device.getBitmapDC(); |
-#elif defined(OS_MACOSX) |
- return device.GetBitmapContext(); |
-#elif defined(OS_LINUX) |
- return device.beginPlatformPaint(); |
-#endif |
-} |
- |
-void BlitContextToCanvas(skia::PlatformCanvas *dst_canvas, |
- const Rect& dst_rect, |
- NativeDrawingContext src_context, |
- const Point& src_origin) { |
- BlitContextToContext(GetContextFromCanvas(dst_canvas), dst_rect, |
- src_context, src_origin); |
-} |
- |
-void BlitCanvasToContext(NativeDrawingContext dst_context, |
- const Rect& dst_rect, |
- skia::PlatformCanvas *src_canvas, |
- const Point& src_origin) { |
- BlitContextToContext(dst_context, dst_rect, |
- GetContextFromCanvas(src_canvas), src_origin); |
-} |
- |
-void BlitCanvasToCanvas(skia::PlatformCanvas *dst_canvas, |
- const Rect& dst_rect, |
- skia::PlatformCanvas *src_canvas, |
- const Point& src_origin) { |
- BlitContextToContext(GetContextFromCanvas(dst_canvas), dst_rect, |
- GetContextFromCanvas(src_canvas), src_origin); |
-} |
- |
-} // namespace gfx |