chrome/common/badge_util.h

// Copyright (c) 2010 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 CHROME_COMMON_BADGE_UTIL_H_
#define CHROME_COMMON_BADGE_UTIL_H_
#pragma once

#include "base/string16.h"
#include "third_party/skia/include/core/SkBitmap.h"

class SkPaint;

// badge_util provides a set of helper routines for rendering dynamically
// generated text overlays ("badges") on toolbar icons.
namespace badge_util {

// Helper routine that returns a singleton SkPaint object configured for
// rendering badge overlay text (correct font, typeface, etc).
SkPaint* GetBadgeTextPaintSingleton();

// Given an |icon|, renders the |text| centered on the |icon|. If |text| is
// too large to fit within the bounds of the image, the |fallback| string is
// rendered instead (or nothing, if |fallback| is empty).
SkBitmap DrawBadgeIconOverlay(const SkBitmap& icon,
                              float font_size_in_pixels,
                              const string16& text,
                              const string16& fallback);

}  // namespace badge_util;

#endif  // CHROME_COMMON_BADGE_UTIL_H_