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      1 /*
      2  * Copyright 2011 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef SkImageEncoder_DEFINED
      9 #define SkImageEncoder_DEFINED
     10 
     11 #include "SkBitmap.h"
     12 #include "SkEncodedImageFormat.h"
     13 #include "SkStream.h"
     14 
     15 /**
     16  * Encode SkPixmap in the given binary image format.
     17  *
     18  * @param  dst     results are written to this stream.
     19  * @param  src     source pixels.
     20  * @param  format  image format, not all formats are supported.
     21  * @param  quality range from 0-100, not all formats respect quality.
     22  *
     23  * @return false iff input is bad or format is unsupported.
     24  *
     25  * Will always return false if Skia is compiled without image
     26  * encoders.
     27  *
     28  * For examples of encoding an image to a file or to a block of memory,
     29  * see tools/sk_tool_utils.h.
     30  */
     31 SK_API bool SkEncodeImage(SkWStream* dst, const SkPixmap& src,
     32                           SkEncodedImageFormat format, int quality);
     33 /**
     34  * The following helper function wraps SkEncodeImage().
     35  */
     36 inline bool SkEncodeImage(SkWStream* dst, const SkBitmap& src, SkEncodedImageFormat f, int q) {
     37     SkAutoLockPixels autoLockPixels(src);
     38     SkPixmap pixmap;
     39     return src.peekPixels(&pixmap) && SkEncodeImage(dst, pixmap, f, q);
     40 }
     41 
     42 #endif  // SkImageEncoder_DEFINED
     43