| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkImageEncoder_DEFINED |
| #define SkImageEncoder_DEFINED |
| |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkTypes.h" |
| |
| class SkBitmap; |
| class SkData; |
| class SkPixmap; |
| class SkWStream; |
| enum class SkEncodedImageFormat; |
| |
| /** |
| * Encode SkPixmap in the given binary image format. |
| * |
| * @param dst results are written to this stream. |
| * @param src source pixels. |
| * @param format image format, not all formats are supported. |
| * @param quality range from 0-100, this is supported by jpeg and webp. |
| * higher values correspond to improved visual quality, but less compression. |
| * |
| * @return false iff input is bad or format is unsupported. |
| * |
| * Will always return false if Skia is compiled without image |
| * encoders. |
| * |
| * For SkEncodedImageFormat::kWEBP, if quality is 100, it will use lossless compression. Otherwise |
| * it will use lossy. |
| * |
| * For examples of encoding an image to a file or to a block of memory, |
| * see tools/ToolUtils.h. |
| */ |
| SK_API bool SkEncodeImage(SkWStream* dst, const SkPixmap& src, |
| SkEncodedImageFormat format, int quality); |
| |
| /** |
| * The following helper function wraps SkEncodeImage(). |
| */ |
| SK_API bool SkEncodeImage(SkWStream* dst, const SkBitmap& src, SkEncodedImageFormat f, int q); |
| |
| /** |
| * Encode SkPixmap in the given binary image format. |
| * |
| * @param src source pixels. |
| * @param format image format, not all formats are supported. |
| * @param quality range from 0-100, this is supported by jpeg and webp. |
| * higher values correspond to improved visual quality, but less compression. |
| * |
| * @return encoded data or nullptr if input is bad or format is unsupported. |
| * |
| * Will always return nullptr if Skia is compiled without image |
| * encoders. |
| * |
| * For SkEncodedImageFormat::kWEBP, if quality is 100, it will use lossless compression. Otherwise |
| * it will use lossy. |
| */ |
| SK_API sk_sp<SkData> SkEncodePixmap(const SkPixmap& src, SkEncodedImageFormat format, int quality); |
| |
| /** |
| * Helper that extracts the pixmap from the bitmap, and then calls SkEncodePixmap() |
| */ |
| SK_API sk_sp<SkData> SkEncodeBitmap(const SkBitmap& src, SkEncodedImageFormat format, int quality); |
| |
| #endif // SkImageEncoder_DEFINED |