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. 4 5 #ifndef UI_GFX_IMAGE_IMAGE_SKIA_SOURCE_H_ 6 #define UI_GFX_IMAGE_IMAGE_SKIA_SOURCE_H_ 7 8 #include "ui/base/layout.h" 9 #include "ui/base/ui_export.h" 10 11 namespace gfx { 12 13 class ImageSkiaRep; 14 15 class UI_EXPORT ImageSkiaSource { 16 public: 17 virtual ~ImageSkiaSource() {} 18 19 // Returns the ImageSkiaRep for the given |scale_factor|. ImageSkia 20 // caches the returned ImageSkiaRep and calls this method only if it 21 // doesn't have ImageSkaiRep for given |scale_factor|. There is 22 // no need for the implementation to cache the image. 23 virtual gfx::ImageSkiaRep GetImageForScale(ui::ScaleFactor scale_factor) = 0; 24 }; 25 26 } // namespace gfx 27 28 #endif // UI_GFX_IMAGE_IMAGE_SKIA_SOURCE_H_ 29
