badge_util.h revision 201ade2fbba22bfb27ae029f4d23fca6ded109a0 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_COMMON_BADGE_UTIL_H_
6#define CHROME_COMMON_BADGE_UTIL_H_
7#pragma once
8
9#include "base/string16.h"
10#include "third_party/skia/include/core/SkBitmap.h"
11
12class SkPaint;
13
14// badge_util provides a set of helper routines for rendering dynamically
15// generated text overlays ("badges") on toolbar icons.
16namespace badge_util {
17
18// Helper routine that returns a singleton SkPaint object configured for
19// rendering badge overlay text (correct font, typeface, etc).
20SkPaint* GetBadgeTextPaintSingleton();
21
22// Given an |icon|, renders the |text| centered on the |icon|. If |text| is
23// too large to fit within the bounds of the image, the |fallback| string is
24// rendered instead (or nothing, if |fallback| is empty).
25SkBitmap DrawBadgeIconOverlay(const SkBitmap& icon,
26                              float font_size_in_pixels,
27                              const string16& text,
28                              const string16& fallback);
29
30}  // namespace badge_util;
31
32#endif  // CHROME_COMMON_BADGE_UTIL_H_
33