Line data    Source code

       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           0 : inline bool SkEncodeImage(SkWStream* dst, const SkBitmap& src, SkEncodedImageFormat f, int q) {
      37           0 :     SkAutoLockPixels autoLockPixels(src);
      38           0 :     SkPixmap pixmap;
      39           0 :     return src.peekPixels(&pixmap) && SkEncodeImage(dst, pixmap, f, q);
      40             : }
      41             : 
      42             : #endif  // SkImageEncoder_DEFINED