| // Copyright (c) 2012 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 UI_GFX_IMAGE_IMAGE_SKIA_REP_H_ |
| #define UI_GFX_IMAGE_IMAGE_SKIA_REP_H_ |
| |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/gfx/gfx_export.h" |
| #include "ui/gfx/size.h" |
| |
| namespace gfx { |
| |
| // An ImageSkiaRep represents a bitmap and the scale factor it is intended for. |
| class UI_EXPORT ImageSkiaRep { |
| public: |
| // Create null bitmap. |
| ImageSkiaRep(); |
| ~ImageSkiaRep(); |
| |
| // Creates a bitmap with kARGB_8888_Config config with given |size| in DIP. |
| // This allocates pixels in the bitmap. |
| ImageSkiaRep(const gfx::Size& size, float scale); |
| |
| // Creates a bitmap with given scale. |
| // Adds ref to |src|. |
| ImageSkiaRep(const SkBitmap& src, float scale); |
| |
| // Returns true if the backing bitmap is null. |
| bool is_null() const { return bitmap_.isNull(); } |
| |
| // Get width and height of bitmap in DIP. |
| int GetWidth() const; |
| int GetHeight() const; |
| |
| // Get width and height of bitmap in pixels. |
| int pixel_width() const { return bitmap_.width(); } |
| int pixel_height() const { return bitmap_.height(); } |
| Size pixel_size() const { |
| return Size(pixel_width(), pixel_height()); |
| } |
| |
| // Retrieves the scale that the bitmap will be painted at. |
| float scale() const { return scale_; } |
| |
| // Returns backing bitmap. |
| const SkBitmap& sk_bitmap() const { return bitmap_; } |
| |
| private: |
| friend class ImageSkia; |
| SkBitmap& mutable_sk_bitmap() { return bitmap_; } |
| |
| SkBitmap bitmap_; |
| float scale_; |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_IMAGE_IMAGE_SKIA_REP_H_ |