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_PNG_REP_H_ 6#define UI_GFX_IMAGE_IMAGE_PNG_REP_H_ 7 8#include "base/memory/ref_counted_memory.h" 9#include "ui/gfx/gfx_export.h" 10 11namespace gfx { 12class Size; 13 14// An ImagePNGRep represents a bitmap's png encoded data and the scale factor it 15// was intended for. 16struct GFX_EXPORT ImagePNGRep { 17 public: 18 ImagePNGRep(); 19 ImagePNGRep(const scoped_refptr<base::RefCountedMemory>& data, 20 float data_scale); 21 ~ImagePNGRep(); 22 23 // Width and height of the image, in pixels. 24 // If the image is invalid, returns gfx::Size(0, 0). 25 // Warning: This operation processes the entire image stream, so its result 26 // should be cached if it is needed multiple times. 27 gfx::Size Size() const; 28 29 scoped_refptr<base::RefCountedMemory> raw_data; 30 float scale; 31}; 32 33} // namespace gfx 34 35#endif // UI_GFX_IMAGE_IMAGE_PNG_REP_H_ 36