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// Copyright 2015 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_FALLBACK_ICON_SERVICE_H_
#define COMPONENTS_FAVICON_BASE_FALLBACK_ICON_SERVICE_H_
#include <string>
#include <vector>
#include "base/macros.h"
class GURL;
namespace gfx {
class Canvas;
}
namespace favicon_base {
struct FallbackIconStyle;
// A service to provide methods to render fallback favicons.
class FallbackIconService {
public:
explicit FallbackIconService(const std::vector<std::string>& font_list);
~FallbackIconService();
// Renders a fallback icon synchronously and returns the bitmap. Returns an
// empty std::vector on failure. |size| is icon width and height in pixels.
std::vector<unsigned char> RenderFallbackIconBitmap(
const GURL& icon_url,
int size,
const FallbackIconStyle& style);
private:
// Renders a fallback icon on |canvas| at position (|x|, |y|). |size| is icon
// width and height in pixels.
void DrawFallbackIcon(const GURL& icon_url,
int size,
const FallbackIconStyle& style,
gfx::Canvas* canvas);
std::vector<std::string> font_list_;
DISALLOW_COPY_AND_ASSIGN(FallbackIconService);
};
} // namespace favicon_base
#endif // COMPONENTS_FAVICON_BASE_FALLBACK_ICON_SERVICE_H_
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