More old files deletion.

ui/gfx/canvas_paint_mac.mm

-// Copyright (c) 2012 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 "ui/gfx/canvas_paint_mac.h"
-#include "ui/gfx/size.h"
-
-namespace gfx {
-
-CanvasSkiaPaint::CanvasSkiaPaint(NSRect dirtyRect)
-    : context_(NULL),
-      rectangle_(dirtyRect),
-      composite_alpha_(false) {
-  Init(true);
-}
-
-CanvasSkiaPaint::CanvasSkiaPaint(NSRect dirtyRect, bool opaque)
-    : context_(NULL),
-      rectangle_(dirtyRect),
-      composite_alpha_(false) {
-  Init(opaque);
-}
-
-CanvasSkiaPaint::~CanvasSkiaPaint() {
-  if (!is_empty()) {
-    platform_canvas()->restoreToCount(1);
-
-    // Blit the dirty rect to the current context.
-    CGImageRef image = CGBitmapContextCreateImage(context_);
-    CGRect dest_rect = NSRectToCGRect(rectangle_);
-
-    CGContextRef destination_context =
-        (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
-    CGContextSaveGState(destination_context);
-    CGContextSetBlendMode(
-        destination_context,
-        composite_alpha_ ? kCGBlendModeNormal : kCGBlendModeCopy);
-
-    if ([[NSGraphicsContext currentContext] isFlipped]) {
-      // Mirror context on the target's rect middle scanline.
-      CGContextTranslateCTM(destination_context, 0.0, NSMidY(rectangle_));
-      CGContextScaleCTM(destination_context, 1.0, -1.0);
-      CGContextTranslateCTM(destination_context, 0.0, -NSMidY(rectangle_));
-    }
-
-    CGContextDrawImage(destination_context, dest_rect, image);
-    CGContextRestoreGState(destination_context);
-
-    CFRelease(image);
-  }
-}
-
-void CanvasSkiaPaint::Init(bool opaque) {
-  CGContextRef destination_context =
-        (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
-  CGRect scaled_unit_rect = CGContextConvertRectToDeviceSpace(
-        destination_context, CGRectMake(0, 0, 1, 1));
-    // Assume that the x scale and the y scale are the same.
-  CGFloat scale = scaled_unit_rect.size.width;
-
-  gfx::Size size(NSWidth(rectangle_), NSHeight(rectangle_));
-  RecreateBackingCanvas(size, scale, opaque);
-  skia::PlatformCanvas* canvas = platform_canvas();
-  canvas->clear(SkColorSetARGB(0, 0, 0, 0));
-
-    // Need to translate so that the dirty region appears at the origin of the
-    // surface.
-  canvas->translate(-SkDoubleToScalar(NSMinX(rectangle_)),
-                    -SkDoubleToScalar(NSMinY(rectangle_)));
-
-  context_ = skia::GetBitmapContext(skia::GetTopDevice(*canvas));
-}
-
-}  // namespace skia
-
-