| /* |
| * Copyright 2009 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkImageEncoderPriv.h" |
| #include "SkJpegEncoder.h" |
| #include "SkPngEncoder.h" |
| #include "SkWebpEncoder.h" |
| |
| #ifndef SK_HAS_JPEG_LIBRARY |
| bool SkJpegEncoder::Encode(SkWStream*, const SkPixmap&, const Options&) { return false; } |
| std::unique_ptr<SkEncoder> SkJpegEncoder::Make(SkWStream*, const SkPixmap&, const Options&) { |
| return nullptr; |
| } |
| #endif |
| |
| #ifndef SK_HAS_PNG_LIBRARY |
| bool SkPngEncoder::Encode(SkWStream*, const SkPixmap&, const Options&) { return false; } |
| std::unique_ptr<SkEncoder> SkPngEncoder::Make(SkWStream*, const SkPixmap&, const Options&) { |
| return nullptr; |
| } |
| #endif |
| |
| #ifndef SK_HAS_WEBP_LIBRARY |
| bool SkWebpEncoder::Encode(SkWStream*, const SkPixmap&, const Options&) { return false; } |
| #endif |
| |
| bool SkEncodeImage(SkWStream* dst, const SkPixmap& src, |
| SkEncodedImageFormat format, int quality) { |
| #ifdef SK_USE_CG_ENCODER |
| (void)quality; |
| return SkEncodeImageWithCG(dst, src, format); |
| #elif SK_USE_WIC_ENCODER |
| return SkEncodeImageWithWIC(dst, src, format, quality); |
| #else |
| switch(format) { |
| case SkEncodedImageFormat::kJPEG: { |
| SkJpegEncoder::Options opts; |
| opts.fQuality = quality; |
| return SkJpegEncoder::Encode(dst, src, opts); |
| } |
| case SkEncodedImageFormat::kPNG: { |
| SkPngEncoder::Options opts; |
| opts.fUnpremulBehavior = SkTransferFunctionBehavior::kIgnore; |
| return SkPngEncoder::Encode(dst, src, opts); |
| } |
| case SkEncodedImageFormat::kWEBP: { |
| SkWebpEncoder::Options opts; |
| opts.fCompression = SkWebpEncoder::Compression::kLossy; |
| opts.fQuality = quality; |
| opts.fUnpremulBehavior = SkTransferFunctionBehavior::kIgnore; |
| return SkWebpEncoder::Encode(dst, src, opts); |
| } |
| default: |
| return false; |
| } |
| #endif |
| } |
| |
| bool SkEncoder::encodeRows(int numRows) { |
| SkASSERT(numRows > 0 && fCurrRow < fSrc.height()); |
| if (numRows <= 0 || fCurrRow >= fSrc.height()) { |
| return false; |
| } |
| |
| if (fCurrRow + numRows > fSrc.height()) { |
| numRows = fSrc.height() - fCurrRow; |
| } |
| |
| if (!this->onEncodeRows(numRows)) { |
| // If we fail, short circuit any future calls. |
| fCurrRow = fSrc.height(); |
| return false; |
| } |
| |
| return true; |
| } |