// 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 #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 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& png_data, const std::vector& 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_bitmap_results, int desired_size_in_pixel); } // namespace favicon_base #endif // COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_