diff options
author | Matt Sarett <msarett@google.com> | 2017-03-22 12:53:27 -0400 |
---|---|---|
committer | Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-03-22 17:34:32 +0000 |
commit | 4ef01482025e2e629e35458aa214436d3b4138e8 (patch) | |
tree | 114f744241a26f3e2875562bc2ee4871f0c97e1c /src/images | |
parent | 801f8b824fee6397422e47537f0f13034ac54ce6 (diff) |
Add support for writing icc profiles to the jpeg encoder
Also, share the impl for skjpeg_error_mgr between the
jpeg decoder and encoder. They are already identical
anyway.
BUG=skia:
Change-Id: I4d67f28126388fef3057d62b6e0b203e21ed4afb
Reviewed-on: https://skia-review.googlesource.com/10011
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
Diffstat (limited to 'src/images')
-rw-r--r-- | src/images/SkImageEncoderFns.h (renamed from src/images/transform_scanline.h) | 20 | ||||
-rw-r--r-- | src/images/SkJPEGImageEncoder.cpp | 19 | ||||
-rw-r--r-- | src/images/SkJPEGWriteUtility.h | 9 | ||||
-rw-r--r-- | src/images/SkPNGImageEncoder.cpp | 20 | ||||
-rw-r--r-- | src/images/SkWEBPImageEncoder.cpp | 2 |
5 files changed, 44 insertions, 26 deletions
diff --git a/src/images/transform_scanline.h b/src/images/SkImageEncoderFns.h index 3c754275e0..5120570c48 100644 --- a/src/images/transform_scanline.h +++ b/src/images/SkImageEncoderFns.h @@ -4,8 +4,9 @@ * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ -#ifndef transform_scanline_DEFINED -#define transform_scanline_DEFINED + +#ifndef SkImageEncoderFns_DEFINED +#define SkImageEncoderFns_DEFINED /** * Functions to transform scanlines between packed-pixel formats. @@ -14,6 +15,7 @@ #include "SkBitmap.h" #include "SkColor.h" #include "SkColorPriv.h" +#include "SkICC.h" #include "SkPreConfig.h" #include "SkRasterPipeline.h" #include "SkUnPreMultiply.h" @@ -273,4 +275,16 @@ static inline void transform_scanline_F16_premul_to_8888(char* SK_RESTRICT dst, p.append(SkRasterPipeline::store_8888, (void**) &dst); p.run(0, width); } -#endif // transform_scanline_DEFINED + +static inline sk_sp<SkData> icc_from_color_space(const SkColorSpace& cs) { + SkColorSpaceTransferFn fn; + SkMatrix44 toXYZD50(SkMatrix44::kUninitialized_Constructor); + if (cs.isNumericalTransferFn(&fn) && cs.toXYZD50(&toXYZD50)) { + return SkICC::WriteToICC(fn, toXYZD50); + } + + // TODO: Should we support writing ICC profiles for additional color spaces? + return nullptr; +} + +#endif // SkImageEncoderFns_DEFINED diff --git a/src/images/SkJPEGImageEncoder.cpp b/src/images/SkJPEGImageEncoder.cpp index 1f8f0d6394..014a0ae160 100644 --- a/src/images/SkJPEGImageEncoder.cpp +++ b/src/images/SkJPEGImageEncoder.cpp @@ -10,10 +10,10 @@ #ifdef SK_HAS_JPEG_LIBRARY #include "SkColorPriv.h" +#include "SkImageEncoderFns.h" #include "SkJPEGWriteUtility.h" #include "SkStream.h" #include "SkTemplates.h" -#include "transform_scanline.h" #include <stdio.h> @@ -141,6 +141,23 @@ bool SkEncodeImageAsJPEG(SkWStream* stream, const SkPixmap& pixmap, int quality) jpeg_start_compress(&cinfo, TRUE); + if (pixmap.colorSpace()) { + sk_sp<SkData> icc = icc_from_color_space(*pixmap.colorSpace()); + if (icc) { + // Create a contiguous block of memory with the icc signature followed by the profile. + sk_sp<SkData> markerData = + SkData::MakeUninitialized(kICCMarkerHeaderSize + icc->size()); + uint8_t* ptr = (uint8_t*) markerData->writable_data(); + memcpy(ptr, kICCSig, sizeof(kICCSig)); + ptr += sizeof(kICCSig); + *ptr++ = 1; // This is the first marker. + *ptr++ = 1; // Out of one total markers. + memcpy(ptr, icc->data(), icc->size()); + + jpeg_write_marker(&cinfo, kICCMarker, markerData->bytes(), markerData->size()); + } + } + if (proc) { storage.reset(numComponents * pixmap.width()); } diff --git a/src/images/SkJPEGWriteUtility.h b/src/images/SkJPEGWriteUtility.h index 91d07a3616..3765e7e674 100644 --- a/src/images/SkJPEGWriteUtility.h +++ b/src/images/SkJPEGWriteUtility.h @@ -9,6 +9,7 @@ #ifndef SkJpegUtility_DEFINED #define SkJpegUtility_DEFINED +#include "SkJpegPriv.h" #include "SkStream.h" extern "C" { @@ -18,14 +19,6 @@ extern "C" { #include <setjmp.h> -/* Our error-handling struct. - * -*/ -struct skjpeg_error_mgr : jpeg_error_mgr { - jmp_buf fJmpBuf; -}; - - void skjpeg_error_exit(j_common_ptr cinfo); ///////////////////////////////////////////////////////////////////////////// diff --git a/src/images/SkPNGImageEncoder.cpp b/src/images/SkPNGImageEncoder.cpp index 2eac91d0ca..e28ae12dc0 100644 --- a/src/images/SkPNGImageEncoder.cpp +++ b/src/images/SkPNGImageEncoder.cpp @@ -12,14 +12,13 @@ #include "SkColor.h" #include "SkColorPriv.h" #include "SkDither.h" -#include "SkICC.h" +#include "SkImageEncoderFns.h" #include "SkMath.h" #include "SkStream.h" #include "SkString.h" #include "SkTemplates.h" #include "SkUnPreMultiply.h" #include "SkUtils.h" -#include "transform_scanline.h" #include "png.h" @@ -40,9 +39,7 @@ static void sk_write_fn(png_structp png_ptr, png_bytep data, png_size_t len) { } } -static void set_icc(png_structp png_ptr, png_infop info_ptr, const SkColorSpaceTransferFn& fn, - const SkMatrix44& toXYZD50) { - sk_sp<SkData> icc = SkICC::WriteToICC(fn, toXYZD50); +static void set_icc(png_structp png_ptr, png_infop info_ptr, sk_sp<SkData> icc) { #if PNG_LIBPNG_VER_MAJOR > 1 || (PNG_LIBPNG_VER_MAJOR == 1 && PNG_LIBPNG_VER_MINOR >= 5) const char* name = "Skia"; png_const_bytep iccPtr = icc->bytes(); @@ -351,17 +348,14 @@ static bool do_encode(SkWStream* stream, const SkPixmap& pixmap, } if (pixmap.colorSpace()) { - SkColorSpaceTransferFn fn; - SkMatrix44 toXYZD50(SkMatrix44::kUninitialized_Constructor); if (pixmap.colorSpace()->isSRGB()) { png_set_sRGB(png_ptr, info_ptr, PNG_sRGB_INTENT_PERCEPTUAL); - } else if (pixmap.colorSpace()->isNumericalTransferFn(&fn) && - pixmap.colorSpace()->toXYZD50(&toXYZD50)) - { - set_icc(png_ptr, info_ptr, fn, toXYZD50); + } else { + sk_sp<SkData> icc = icc_from_color_space(*pixmap.colorSpace()); + if (icc) { + set_icc(png_ptr, info_ptr, std::move(icc)); + } } - - // TODO: Should we support writing ICC profiles for additional color spaces? } png_set_sBIT(png_ptr, info_ptr, &sig_bit); diff --git a/src/images/SkWEBPImageEncoder.cpp b/src/images/SkWEBPImageEncoder.cpp index 8797ff5925..a9fcc31265 100644 --- a/src/images/SkWEBPImageEncoder.cpp +++ b/src/images/SkWEBPImageEncoder.cpp @@ -20,11 +20,11 @@ #include "SkBitmap.h" #include "SkColorPriv.h" +#include "SkImageEncoderFns.h" #include "SkStream.h" #include "SkTemplates.h" #include "SkUnPreMultiply.h" #include "SkUtils.h" -#include "transform_scanline.h" // A WebP decoder only, on top of (subset of) libwebp // For more information on WebP image format, and libwebp library, see: |