/* * 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/SkData.h" #include "include/core/SkEncodedImageFormat.h" #include "include/core/SkPixmap.h" #include "include/core/SkStream.h" class SkBitmap; /** * 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 SkEncodePixmap(const SkPixmap& src, SkEncodedImageFormat format, int quality); /** * Helper that extracts the pixmap from the bitmap, and then calls SkEncodePixmap() */ SK_API sk_sp SkEncodeBitmap(const SkBitmap& src, SkEncodedImageFormat format, int quality); #endif // SkImageEncoder_DEFINED