1 // Copyright (c) 2012 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.
5 #ifndef UI_GFX_IMAGE_IMAGE_SKIA_REP_H_
6 #define UI_GFX_IMAGE_IMAGE_SKIA_REP_H_
8 #include "third_party/skia/include/core/SkBitmap.h"
9 #include "ui/gfx/gfx_export.h"
10 #include "ui/gfx/size.h"
14 // An ImageSkiaRep represents a bitmap and the scale factor it is intended for.
15 class GFX_EXPORT ImageSkiaRep {
17 // Create null bitmap.
21 // Creates a bitmap with kARGB_8888_Config config with given |size| in DIP.
22 // This allocates pixels in the bitmap.
23 ImageSkiaRep(const gfx::Size& size, float scale);
25 // Creates a bitmap with given scale.
27 ImageSkiaRep(const SkBitmap& src, float scale);
29 // Returns true if the backing bitmap is null.
30 bool is_null() const { return bitmap_.isNull(); }
32 // Get width and height of bitmap in DIP.
34 int GetHeight() const;
36 // Get width and height of bitmap in pixels.
37 int pixel_width() const { return bitmap_.width(); }
38 int pixel_height() const { return bitmap_.height(); }
39 Size pixel_size() const {
40 return Size(pixel_width(), pixel_height());
43 // Retrieves the scale that the bitmap will be painted at.
44 float scale() const { return scale_; }
46 // Returns backing bitmap.
47 const SkBitmap& sk_bitmap() const { return bitmap_; }
50 friend class ImageSkia;
51 SkBitmap& mutable_sk_bitmap() { return bitmap_; }
59 #endif // UI_GFX_IMAGE_IMAGE_SKIA_REP_H_