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 11 namespace gfx { 12 class Size; 13 14 // An ImagePNGRep represents a bitmap's png encoded data and the scale factor it 15 // was intended for. 16 struct 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