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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::GetSupportedResourceScaleFactors() 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);
- // Generates a favicon_bitmap_result sized exactly to [desired_size,
- // desired_size] from the provided result set. If the exact size is found in
- // the set, it just returns that; otherwise, it will decode the PNG, scale,
- // and encode a new PNG.
- favicon_base::FaviconRawBitmapResult ResizeFaviconBitmapResult(
- const std::vector<favicon_base::FaviconRawBitmapResult>&
- favicon_bitmap_results,
- int desired_size_in_pixel);
- } // namespace favicon_base
- #endif // COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_
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