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- /*
- * 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/SkBitmap.h"
- #include "include/core/SkData.h"
- #include "include/core/SkEncodedImageFormat.h"
- #include "include/core/SkStream.h"
- /**
- * 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().
- */
- inline bool SkEncodeImage(SkWStream* dst, const SkBitmap& src, SkEncodedImageFormat f, int q) {
- SkPixmap pixmap;
- return src.peekPixels(&pixmap) && SkEncodeImage(dst, pixmap, f, 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
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