More old files deletion.

ui/gfx/image/image_skia_util_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/image/image_skia_util_mac.h"
-
-#include <cmath>
-#include <limits>
-
-#import <AppKit/AppKit.h>
-
-#include "base/mac/mac_util.h"
-#include "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
-#include "skia/ext/skia_utils_mac.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/gfx/image/image_skia.h"
-
-namespace {
-
-// Returns NSImageRep whose pixel size most closely matches |desired_size|.
-NSImageRep* GetNSImageRepWithPixelSize(NSImage* image,
-                                       NSSize desired_size) {
-  float smallest_diff = std::numeric_limits<float>::max();
-  NSImageRep* closest_match = nil;
-  for (NSImageRep* image_rep in [image representations]) {
-    float diff = std::abs(desired_size.width - [image_rep pixelsWide]) +
-        std::abs(desired_size.height - [image_rep pixelsHigh]);
-    if (diff < smallest_diff) {
-      smallest_diff = diff;
-      closest_match = image_rep;
-    }
-  }
-  return closest_match;
-}
-
-// Returns true if NSImage has no representations
-bool IsNSImageEmpty(NSImage* image) {
-  return ([image representations].count == 0);
-}
-
-}  // namespace
-
-namespace gfx {
-
-gfx::ImageSkia ImageSkiaFromNSImage(NSImage* image) {
-  return ImageSkiaFromResizedNSImage(image, [image size]);
-}
-
-gfx::ImageSkia ImageSkiaFromResizedNSImage(NSImage* image,
-                                           NSSize desired_size) {
-  // Resize and convert to ImageSkia simultaneously to save on computation.
-  // TODO(pkotwicz): Separate resizing NSImage and converting to ImageSkia.
-  // Convert to ImageSkia by finding the most appropriate NSImageRep for
-  // each supported scale factor and resizing if necessary.
-
-  if (IsNSImageEmpty(image))
-    return gfx::ImageSkia();
-
-  std::vector<float> supported_scales = ImageSkia::GetSupportedScales();
-
-  gfx::ImageSkia image_skia;
-  for (size_t i = 0; i < supported_scales.size(); ++i) {
-    float scale = supported_scales[i];
-    NSSize desired_size_for_scale = NSMakeSize(desired_size.width * scale,
-                                               desired_size.height * scale);
-    NSImageRep* ns_image_rep = GetNSImageRepWithPixelSize(image,
-        desired_size_for_scale);
-
-    // TODO(dcheng): Should this function take a color space argument?
-    SkBitmap bitmap(gfx::NSImageRepToSkBitmapWithColorSpace(ns_image_rep,
-        desired_size_for_scale, false, base::mac::GetGenericRGBColorSpace()));
-    if (bitmap.isNull())
-      continue;
-
-    image_skia.AddRepresentation(gfx::ImageSkiaRep(bitmap, scale));
-  }
-  return image_skia;
-}
-
-NSImage* NSImageFromImageSkia(const gfx::ImageSkia& image_skia) {
-  if (image_skia.isNull())
-    return nil;
-
-  base::scoped_nsobject<NSImage> image([[NSImage alloc] init]);
-  image_skia.EnsureRepsForSupportedScales();
-  std::vector<gfx::ImageSkiaRep> image_reps = image_skia.image_reps();
-  for (std::vector<gfx::ImageSkiaRep>::const_iterator it = image_reps.begin();
-       it != image_reps.end(); ++it) {
-    [image addRepresentation:
-        gfx::SkBitmapToNSBitmapImageRep(it->sk_bitmap())];
-  }
-
-  [image setSize:NSMakeSize(image_skia.width(), image_skia.height())];
-  return [image.release() autorelease];
-}
-
-NSImage* NSImageFromImageSkiaWithColorSpace(const gfx::ImageSkia& image_skia,
-                                            CGColorSpaceRef color_space) {
-  if (image_skia.isNull())
-    return nil;
-
-  base::scoped_nsobject<NSImage> image([[NSImage alloc] init]);
-  image_skia.EnsureRepsForSupportedScales();
-  std::vector<gfx::ImageSkiaRep> image_reps = image_skia.image_reps();
-  for (std::vector<gfx::ImageSkiaRep>::const_iterator it = image_reps.begin();
-       it != image_reps.end(); ++it) {
-    [image addRepresentation:
-        gfx::SkBitmapToNSBitmapImageRepWithColorSpace(it->sk_bitmap(),
-                                                      color_space)];
-  }
-
-  [image setSize:NSMakeSize(image_skia.width(), image_skia.height())];
-  return [image.release() autorelease];
-}
-
-}  // namespace gfx