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// Copyright 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_ios.h"
#include <UIKit/UIKit.h>
#include "base/logging.h"
#include "base/mac/scoped_cftyperef.h"
#include "skia/ext/skia_utils_ios.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/image/image_skia.h"
namespace gfx {
gfx::ImageSkia ImageSkiaFromUIImage(UIImage* image) {
gfx::ImageSkia image_skia;
float max_scale = ImageSkia::GetSupportedScales().back();
gfx::ImageSkiaRep image_skia_rep = ImageSkiaRepOfScaleFromUIImage(
image, max_scale);
if (!image_skia_rep.is_null())
image_skia.AddRepresentation(image_skia_rep);
return image_skia;
}
gfx::ImageSkiaRep ImageSkiaRepOfScaleFromUIImage(UIImage* image, float scale) {
if (!image)
return gfx::ImageSkiaRep();
CGSize size = image.size;
CGSize desired_size_for_scale =
CGSizeMake(size.width * scale, size.height * scale);
SkBitmap bitmap(gfx::CGImageToSkBitmap(image.CGImage,
desired_size_for_scale,
false));
return gfx::ImageSkiaRep(bitmap, scale);
}
UIImage* UIImageFromImageSkia(const gfx::ImageSkia& image_skia) {
return UIImageFromImageSkiaRep(
image_skia.GetRepresentation(ImageSkia::GetSupportedScales().back()));
}
UIImage* UIImageFromImageSkiaRep(const gfx::ImageSkiaRep& image_skia_rep) {
if (image_skia_rep.is_null())
return nil;
float scale = image_skia_rep.scale();
base::ScopedCFTypeRef<CGColorSpaceRef> color_space(
CGColorSpaceCreateDeviceRGB());
return gfx::SkBitmapToUIImageWithColorSpace(image_skia_rep.sk_bitmap(), scale,
color_space);
}
} // namespace gfx
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