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// Copyright 2014 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.
#ifndef COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_
#define COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_
#include <vector>
#include "components/favicon_base/favicon_types.h"
namespace gfx {
class Image;
}
namespace favicon_base {
// Returns the scales at which favicons should be fetched. This is
// different from ui::GetSupportedScaleFactors() because clients which do
// not support 1x should still fetch a favicon for 1x to push to sync. This
// guarantees that the clients receiving sync updates pushed by this client
// receive a favicon (potentially of the wrong scale factor) and do not show
// the default favicon.
std::vector<float> GetFaviconScales();
// Sets the color space used for converting |image| to an NSImage to the
// system colorspace. This makes the favicon look the same in the browser UI
// as it does in the renderer.
void SetFaviconColorSpace(gfx::Image* image);
// Takes a vector of PNG-encoded frames, and converts it to a gfx::Image of
// size |favicon_size| in DIPS. The result gfx::Image has a gfx::ImageSkia with
// gfx::ImageSkiaReps for each |favicon_scales|.
gfx::Image SelectFaviconFramesFromPNGs(
const std::vector<favicon_base::FaviconRawBitmapResult>& png_data,
const std::vector<float>& favicon_scales,
int favicon_size);
} // namspace favicon_base
#endif // COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_
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