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_UTIL_H_ 6 #define UI_GFX_IMAGE_IMAGE_UTIL_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "ui/gfx/gfx_export.h" 12 13 namespace gfx { 14 class Image; 15 } 16 17 namespace gfx { 18 19 // Creates an image from the given JPEG-encoded input. If there was an error 20 // creating the image, returns an IsEmpty() Image. 21 GFX_EXPORT Image ImageFrom1xJPEGEncodedData(const unsigned char* input, 22 size_t input_size); 23 24 // Fills the |dst| vector with JPEG-encoded bytes of the 1x representation of 25 // the given image. 26 // Returns true if the image has a 1x representation and the 1x representation 27 // was encoded successfully. 28 // |quality| determines the compression level, 0 == lowest, 100 == highest. 29 // Returns true if the Image was encoded successfully. 30 GFX_EXPORT bool JPEG1xEncodedDataFromImage(const Image& image, 31 int quality, 32 std::vector<unsigned char>* dst); 33 34 } // namespace gfx 35 36 #endif // UI_GFX_IMAGE_IMAGE_UTIL_H_ 37