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* Move setAlphaAndRequiredFrame to src/codecGravatar Nigel Tao2018-07-30
| | | | | | | | | | | | | The corresponding declaration is already in src/codec/SkFrameHolder.h That code is not solely used by third_party/gif, and in the future, we may have another GIF implementation. Bug: skia: Change-Id: If04cfd4a5b1106f380c89e11c34a8d854ce2b05a Reviewed-on: https://skia-review.googlesource.com/144240 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Replace nearly all kRespect with kIgnoreGravatar Brian Osman2018-07-12
| | | | | | | | | | | | | | | | | | | | | | | | | | - Encoders and decoders always assume kIgnore. - They are less opinionated about F16 and color space, we just trust the color space that's passed in, and put that directly in the image (no sRGB encoding). - SkBitmap and SkPixmap read/write pixels functions were defaulting to kResepct, those are now always kIgnore. - Many other bits of plumbing are simplified, and I added a default of kIgnore to SkImage::makeColorSpace, so we can phase out that argument entirely. - Still need to add defaults to other public APIs that take SkTransferFunctionBehavior. - This makes gold think that we've dramatically changed the contents of all F16 images, but that's because it doesn't understand the (now linear) color space that's embedded. Once we triage them all once, they will work fine (and they'll look perfect in the browser). Bug: skia: Change-Id: I62fa090f96cae1b67d181ce14bd91f34ff2ed747 Reviewed-on: https://skia-review.googlesource.com/140570 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
* Properly zero in webp if no prior frameGravatar Leon Scroggins III2018-05-24
| | | | | | | | | | | | | | | When erasing the prior frame rect, we need to update the frame rect to take scaling into account. We already do if the prior frame was provided; also do so if it was not provided. Note that this only affects an image with a restore previous frame that is being scaled. webp does not support restore previous, so this will not affect AnimatedImageDrawable in Android. Change-Id: I2d9a4ad45262a0e7afd1134958aff5c6e2ca6687 Reviewed-on: https://skia-review.googlesource.com/115646 Reviewed-by: Derek Sollenberger <djsollen@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Reland "start cleaning up non-skcms SkColorSpaceXforms"Gravatar Mike Klein2018-05-23
| | | | | | | | | | | | | | | | | | | | | | | | This is a reland of 339133f82c30cd3080672db28e6f72c894cba05a Original change's description: > start cleaning up non-skcms SkColorSpaceXforms > > I think this gets rid of > - SkColorSpaceXform_Base > - SkColorSpaceXform_XYZ > - SkColorSpaceXform_A2B > and lots of support code. Might be more left to clean up? > > Change-Id: I560d974d1e879dfd6a63ee2244a3dd88bd495c8a > Reviewed-on: https://skia-review.googlesource.com/129512 > Commit-Queue: Brian Osman <brianosman@google.com> > Auto-Submit: Mike Klein <mtklein@chromium.org> > Reviewed-by: Brian Osman <brianosman@google.com> Change-Id: I33ee0d8bcfd72c401823a2e7d5168c9ecc9a5181 Reviewed-on: https://skia-review.googlesource.com/129624 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Mike Klein <mtklein@google.com>
* Revert "start cleaning up non-skcms SkColorSpaceXforms"Gravatar Mike Klein2018-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 339133f82c30cd3080672db28e6f72c894cba05a. Reason for revert: broke NinePatchDrawableTest.testGetPadding? stranger things have happened. Original change's description: > start cleaning up non-skcms SkColorSpaceXforms > > I think this gets rid of > - SkColorSpaceXform_Base > - SkColorSpaceXform_XYZ > - SkColorSpaceXform_A2B > and lots of support code. Might be more left to clean up? > > Change-Id: I560d974d1e879dfd6a63ee2244a3dd88bd495c8a > Reviewed-on: https://skia-review.googlesource.com/129512 > Commit-Queue: Brian Osman <brianosman@google.com> > Auto-Submit: Mike Klein <mtklein@chromium.org> > Reviewed-by: Brian Osman <brianosman@google.com> TBR=mtklein@chromium.org,brianosman@google.com Change-Id: I9e76195481b8658b34936aeece278d81c286c0fa No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://skia-review.googlesource.com/129680 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Mike Klein <mtklein@google.com>
* start cleaning up non-skcms SkColorSpaceXformsGravatar Mike Klein2018-05-22
| | | | | | | | | | | | | | I think this gets rid of - SkColorSpaceXform_Base - SkColorSpaceXform_XYZ - SkColorSpaceXform_A2B and lots of support code. Might be more left to clean up? Change-Id: I560d974d1e879dfd6a63ee2244a3dd88bd495c8a Reviewed-on: https://skia-review.googlesource.com/129512 Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: Mike Klein <mtklein@chromium.org> Reviewed-by: Brian Osman <brianosman@google.com>
* non-linear blending first stepsGravatar Mike Klein2018-05-10
| | | | | | | | | | | | | | | | | | | | | | | Code: - Add a non-linear blending bit and makeNonlinearBlending() to SkColorSpace - remove enough F16=linear checks to make it possible to create surfaces and encode pngs with nonlinear F16 Testing: - add "esrgb" software config to DM, run it - add "srgbnl" software config, run it - deemphasize importance of "srgb" config on bots - update unit tests to reflect relaxed F16 constraints - add a new unit test file with _really_ basic tests, and a new unit test that's not working yet Bug: skia:7942 Change-Id: I8ac042bdf9f3d791765393b68fd9256375184d83 Reviewed-on: https://skia-review.googlesource.com/127325 Reviewed-by: Brian Osman <brianosman@google.com> Commit-Queue: Mike Klein <mtklein@chromium.org>
* move a bunch of helpers from SkImageInfo.h into privGravatar Mike Reed2018-02-09
| | | | | | | | | Bug: skia: Change-Id: I8c91cfdb89e4f22448d1201d391556fe43d86dca Reviewed-on: https://skia-review.googlesource.com/105289 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org> Reviewed-by: Cary Clark <caryclark@google.com>
* Use SkAndroidCodec in SkAnimatedImageGravatar Leon Scroggins III2018-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | Bug: b/63909536 Bug: b/63908092 SkAnimatedImage is designed around a specific Android use case, so move it into the android folders. Make SkAnimatedImage hold an SkAndroidCodec (instead of an SkCodec). Expose fCodec so that SkAnimatedImage can animate by using the internal SkCodec. Update the sample to use SkAndroidCodec. Allow webp to decode a scaled down animation. For RestoreBG frames, adjust the frameRect (which is erased) to account for the scaling. Add a test to verify that we decode a webp with a RestoreBG frame successfully. Disable scaling for later frames in other formats (GIF, for now), since the code for erasing a RestoreBG frame is currently unaware of the sampling. Change-Id: I5dd2b86138f2c7f6adcd08dce1bd49040f7dc224 Reviewed-on: https://skia-review.googlesource.com/94621 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Derek Sollenberger <djsollen@google.com>
* Add a method to convert SkCodec::Result to a stringGravatar Leon Scroggins III2018-01-16
| | | | | | | | Bug: b/63909536 Change-Id: Ic91e3401359f80eadd9d1cd79aa8ef642c60b0fc Reviewed-on: https://skia-review.googlesource.com/94781 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Derek Sollenberger <djsollen@google.com>
* Reland "Hide SkEncodedInfo"Gravatar Leon Scroggins III2017-12-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This partially reverts commit 1793e7bb46c1f9d430c1a699a1c3d3168159b659. Hide SkEncodedInfo Bug: skia:7353 Bug: skia:6839 This contains information that is not necessary for clients to know. The Color enum tells the number of components in the input, but this is only interesting internally (to the SkSwizzler). Similarly, the Alpha enum differs from SkAlphaType in that it has kBinary instead of kPremul. This is useful information only internally for determining whether the SkColorSpaceXform needs to premultiply. The bitsPerComponent is potentially useful for a client; Android (in SkAndroidCodec) uses it to determine the SkColorType. Rather than exposing bitsPerComponent, make SkAndroidCodec a friend so it can access the SkEncodedInfo. A future change will change SkCodec to recommend F16 for bitsPerComponent > 8, but that will be more involved; it was the reason for the revert of this CL. Switch conversionSupported to use an SkColorType, which is enough info. Replace the SkEncodedInfo::Alpha field on SkCodec::FrameInfo with an SkAlphaType. SkCodec still needs an SkEncodedInfo, so move its header (which is already not SK_API) to include/private. TBR=mtklein@chromium.org,reed@google.com Change-Id: I928b1f55317602cb37d29da63b53026c8d139cee Reviewed-on: https://skia-review.googlesource.com/80860 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Revert "Hide SkEncodedInfo"Gravatar Leon Scroggins2017-12-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit c6f7a4ffa9522159efc42f7c948bba5e66bb8844. Reason for revert: Causing differences in Gold, stemming from the fact that this changes the recommended SkImageInfo for 16 bits-per-component PNG from N32 to F16. - an F16 bitmap already png-encodes to a 16 bits-per-component PNG, but it does not encode a linear colorspace (possibly a bug?). when we decode this PNG using getInfo(), it fails because it has an F16 color type and non-linear colorspace. (In the encode-srgb-png gm, this results in blank results for F16.) We could correct this on the encoder side, but it seems possible that a 16 bits-per-component PNG could be encoded with a different color space. In that case, we'd want SkCodec to recommend F16/SRGBLinear, but I think we'd want the SkCodec to store the encoded SkColorSpace so that we can Xform between the two. Currently SkCodec only stores one color space, so that will require a refactor. - When decoding 16-bits-per-component PNGs, we are now decoding them to F16. This shows differences in Gold. The srgb/gpu results now look more like F16. I think this is fine. Original change's description: > Hide SkEncodedInfo > > Bug: skia:7353 > Bug: skia:6839 > > This contains information that is not necessary for clients to know. The > Color enum tells the number of components in the input, but this is only > interesting internally (to the SkSwizzler). > > Similarly, the Alpha enum differs from SkAlphaType in that it has > kBinary instead of kPremul. This is useful information only internally > for determining whether the SkColorSpaceXform needs to premultiply. > > The bitsPerComponent is potentially useful for a client; Android (in > SkAndroidCodec) uses it to determine the SkColorType. Rather than > exposing bitsPerComponent, use it to make the same decision that Android > would have made - 16 bits per component means to set the info to F16. Add > a test that computeOutputColorType behaves as expected. > > Switch conversionSupported to use an SkColorType, which is enough info. > > Replace the SkEncodedInfo::Alpha field on SkCodec::FrameInfo with an > SkAlphaType. > > SkCodec still needs an SkEncodedInfo, so move its header (which is > already not SK_API) to include/private. > > Change-Id: Ie2cf11339bf999ebfd4390c0f448f7edd6feabda > Reviewed-on: https://skia-review.googlesource.com/79260 > Reviewed-by: Mike Reed <reed@google.com> > Reviewed-by: Mike Klein <mtklein@chromium.org> > Commit-Queue: Leon Scroggins <scroggo@google.com> TBR=mtklein@chromium.org,scroggo@google.com,reed@google.com Change-Id: I0c5dd1461e1b70d1e55349a8e7ee6b029c3f556e No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: skia:7353, skia:6839 Reviewed-on: https://skia-review.googlesource.com/80660 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Hide SkEncodedInfoGravatar Leon Scroggins III2017-12-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bug: skia:7353 Bug: skia:6839 This contains information that is not necessary for clients to know. The Color enum tells the number of components in the input, but this is only interesting internally (to the SkSwizzler). Similarly, the Alpha enum differs from SkAlphaType in that it has kBinary instead of kPremul. This is useful information only internally for determining whether the SkColorSpaceXform needs to premultiply. The bitsPerComponent is potentially useful for a client; Android (in SkAndroidCodec) uses it to determine the SkColorType. Rather than exposing bitsPerComponent, use it to make the same decision that Android would have made - 16 bits per component means to set the info to F16. Add a test that computeOutputColorType behaves as expected. Switch conversionSupported to use an SkColorType, which is enough info. Replace the SkEncodedInfo::Alpha field on SkCodec::FrameInfo with an SkAlphaType. SkCodec still needs an SkEncodedInfo, so move its header (which is already not SK_API) to include/private. Change-Id: Ie2cf11339bf999ebfd4390c0f448f7edd6feabda Reviewed-on: https://skia-review.googlesource.com/79260 Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Leon Scroggins <scroggo@google.com>
* encode kAlpha_8 as grayalpha with sigbits for gray==1Gravatar Mike Reed2017-11-30
| | | | | | | | Bug: skia: Change-Id: Ib61e8e0f62af92d8746f5e73469002e7804a8447 Reviewed-on: https://skia-review.googlesource.com/78481 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Mike Reed <reed@google.com>
* Move SkCodec::Origin into its own fileGravatar Leon Scroggins III2017-10-18
| | | | | | | | | | | | | | It is now used by SkPixmap and will soon be in SkJpegEncoder. No need for those to depend on SkCodec. Bug: 768878 TBR=reed@google.com (reed@ already approved the API change in https://skia-review.googlesource.com/60721) Change-Id: If1a6e1d5b60a7a3d8c97818e15a48d28ba804668 Reviewed-on: https://skia-review.googlesource.com/61680 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Revert "Add an Option for orientation on JPEG encodes"Gravatar Ben Wagner2017-10-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 5411a60e0d7370a5d47b5049de845a06fe52e98b. Reason for revert: ASAN and Coverage failing: https://chromium-swarm.appspot.com/task?id=394978f3b7d44610 Flutter_Android failing. Original change's description: > Add an Option for orientation on JPEG encodes > > Move Origin to its own header so that SkPixmap and SkJpegEncoder need > not depend on SkCodec. > > Add libexif, which is already used by Android, and use it to write the > orientation. Write a makefile based on the Android.bp in Android, minus > warnings. (libexif has an LGPL license.) > > Add a test that verifies all the orientations work. > > Optionally enable writing the orientation (and therefore including > libexif). Chromium does not currently need it, and Android does not > expose an API that would allow using it. Disable on Windows, where we > still have build errors to fix. > > Bug: skia:7138 > Change-Id: Iaeff44c36aebe0e639666979dc00e1b7594bbeb1 > Reviewed-on: https://skia-review.googlesource.com/60721 > Commit-Queue: Leon Scroggins <scroggo@google.com> > Reviewed-by: Mike Klein <mtklein@chromium.org> > Reviewed-by: Mike Reed <reed@google.com> TBR=mtklein@chromium.org,mtklein@google.com,scroggo@google.com,reed@google.com Change-Id: I05b7ae8d1c5bbd1de1642d9ef024943500256273 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: skia:7138 Reviewed-on: https://skia-review.googlesource.com/61620 Reviewed-by: Ben Wagner <benjaminwagner@google.com> Commit-Queue: Ben Wagner <benjaminwagner@google.com>
* Add an Option for orientation on JPEG encodesGravatar Leon Scroggins III2017-10-18
| | | | | | | | | | | | | | | | | | | | | | | Move Origin to its own header so that SkPixmap and SkJpegEncoder need not depend on SkCodec. Add libexif, which is already used by Android, and use it to write the orientation. Write a makefile based on the Android.bp in Android, minus warnings. (libexif has an LGPL license.) Add a test that verifies all the orientations work. Optionally enable writing the orientation (and therefore including libexif). Chromium does not currently need it, and Android does not expose an API that would allow using it. Disable on Windows, where we still have build errors to fix. Bug: skia:7138 Change-Id: Iaeff44c36aebe0e639666979dc00e1b7594bbeb1 Reviewed-on: https://skia-review.googlesource.com/60721 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org> Reviewed-by: Mike Reed <reed@google.com>
* fix use of uninitialized flag in SkCodecGravatar Ivan Afanasyev2017-10-09
| | | | | | | | | | | | | SkCodec class has the fStartedIncrementalDecode field, which is not initialized on construction, but may be used in incrementalDecode method being uninitialized. Bug: skia: Change-Id: I378412a375100ad2df4aa38f2dd5682867e0e34b Reviewed-on: https://skia-review.googlesource.com/53160 Commit-Queue: Heather Miller <hcm@google.com> Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org>
* Remove static initializers in SkCodecGravatar Leon Scroggins III2017-10-03
| | | | | | | | | | | | Bug: 768878 Switch const declarations to constexpr where appropriate. Speculative fix for crbug.com/768878. Change-Id: I7fc356e623ce7a0f2b87e92e9a8ed95d5c423d79 Reviewed-on: https://skia-review.googlesource.com/54101 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Chris Blume <cblume@chromium.org>
* Call initializeColorXform inside SkCodecGravatar Leon Scroggins III2017-08-18
| | | | | | | | | | | | | | | | | | | | | | | | Make initializeColorXform private, and only call in the base class. Add virtual method to skip initializeColorXform, for classes that do not need one. Change SkCodec::FrameInfo's SkAlphaType to an SkEncodedInfo::Alpha. This allows proper checking internally whether SkCodec needs to do a color correct premultiply. Depends on https://chromium-review.googlesource.com/c/620947, for this API change. (Separated from review.skia.org/25746) Bug: skia:5609 Bug: skia:6839 Change-Id: Icb0d46659c546060c34d32eaf792c86708726c7a Reviewed-on: https://skia-review.googlesource.com/35880 Reviewed-by: Chris Blume <cblume@chromium.org> Reviewed-by: Derek Sollenberger <djsollen@google.com> Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Reland "skia: add heif decoding support"Gravatar Leon Scroggins III2017-08-18
| | | | | | | | | | | | | | This reverts commit db68a426b6ba3a0fa1cace25ac306037eb7413a6. Fixes errors in Android and Google3 Bug: b/64077740 Change-Id: I3d2bb1223e4d8ba912ea2b88144aeecc487fce1a Reviewed-on: https://skia-review.googlesource.com/35701 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Chong Zhang <chz@google.com> Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Derek Sollenberger <djsollen@google.com>
* Move calls to conversion_possible to SkCodecGravatar Leon Scroggins III2017-08-17
| | | | | | | | | | | | | | | | | | | | | | | | Move common code into the base class, so subclasses need not call conversion_possible. Use SkEncodedInfo rather than SkImageInfo, and use the proper frame. API Changes: - SkAndroidCodec: - Add getEncodedInfo(), for SkBitmapRegionCodec - SkEncodedInfo: - Add opaque() helper - SkBitmapRegionDecoder: - Remove unused conversionSupported (Split off from skia-review.googlesource.com/c/25746) Bug: skia:5601 Change-Id: If4a40d4b98a3dd0afde2b6058f92315a393a5baf Reviewed-on: https://skia-review.googlesource.com/34361 Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Derek Sollenberger <djsollen@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Revert "skia: add heif decoding support"Gravatar Mike Klein2017-08-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit c2a954290dc3888f877a047098b84c24363895fb. Reason for revert: both Android and Google3 rolls cannot compile. Android cannot cast std::unique_ptr<T> to T*, Google3 cannot find HeifDecoderAPI.h. Original change's description: > skia: add heif decoding support > > Bug: b/64077740 > Change-Id: I11e0243bcc4c21c0aa5aa29a719dd0fcba7ae6f7 > Reviewed-on: https://skia-review.googlesource.com/35123 > Reviewed-by: Chong Zhang <chz@google.com> > Reviewed-by: Leon Scroggins <scroggo@google.com> > Commit-Queue: Chong Zhang <chz@google.com> > Commit-Queue: Leon Scroggins <scroggo@google.com> TBR=scroggo@google.com,chz@google.com Change-Id: Id98f025e63daec50408186000453d1695170f7a8 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: b/64077740 Reviewed-on: https://skia-review.googlesource.com/35741 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Mike Klein <mtklein@google.com>
* skia: add heif decoding supportGravatar Chong Zhang2017-08-16
| | | | | | | | | | Bug: b/64077740 Change-Id: I11e0243bcc4c21c0aa5aa29a719dd0fcba7ae6f7 Reviewed-on: https://skia-review.googlesource.com/35123 Reviewed-by: Chong Zhang <chz@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Chong Zhang <chz@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* remove SK_SUPPORT_LEGACY_CODEC_NEW dead codeGravatar Mike Reed2017-07-26
| | | | | | | | Bug: skia: Change-Id: I59185b8acc00b6df854c613ba29d1002111fcb42 Reviewed-on: https://skia-review.googlesource.com/27240 Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
* add Make factory to SkMemoryStream (simplify call-sites)Gravatar Mike Reed2017-07-26
| | | | | | | | Bug: skia:6888 Change-Id: Ia4e432673ed089a91229697c8dde0489f220000d Reviewed-on: https://skia-review.googlesource.com/26884 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
* fix legacy compileGravatar Mike Reed2017-07-25
| | | | | | | Bug: skia: Change-Id: I81953c3c980ef88b168b3a9f9ce94445d0a61218 Reviewed-on: https://skia-review.googlesource.com/26623 Reviewed-by: Mike Reed <reed@google.com>
* use unique_ptr for codec factoriesGravatar Mike Reed2017-07-25
| | | | | | | | | | Will need guards for android (at least) Bug: skia: Change-Id: I2bb8e656997984489ef1f2e41cd3d301c4e7b947 Reviewed-on: https://skia-review.googlesource.com/26040 Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Mike Reed <reed@google.com>
* Report error on failure to create SkCodecGravatar Leon Scroggins III2017-07-14
| | | | | | | | | | | | | | | | | | Update NewFromStream to report an error on failure to create an SkCodec, so that a client can distinguish between - not enough data - invalid data In Chromium, this will allow blink::ImageDecoder to call SetFailed if the stream is invalid early and we never create an SkCodec. Without this, ImageDecoder will keep trying to create an SkCodec when it receives more data. Change-Id: I4f505c56d91c982be36a828fd0f7db17b1596588 Reviewed-on: https://skia-review.googlesource.com/22642 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Derek Sollenberger <djsollen@google.com> Reviewed-by: Chris Blume <cblume@chromium.org>
* Reland "Remove support for decoding to kIndex_8"Gravatar Leon Scroggins2017-07-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Original change's description: > > Remove support for decoding to kIndex_8 > > > > Fix up callsites, and remove tests that no longer make sense. > > > > Bug: skia:6828 > > Change-Id: I2548c4b7528b7b1be7412563156f27b52c9d4295 > > Reviewed-on: https://skia-review.googlesource.com/21664 > > Reviewed-by: Derek Sollenberger <djsollen@google.com> > > Commit-Queue: Leon Scroggins <scroggo@google.com> > > TBR=djsollen@google.com,scroggo@google.com > > Change-Id: I1bc669441f250690884e75a9a61427fdf75c6907 > No-Presubmit: true > No-Tree-Checks: true > No-Try: true > Bug: skia:6828 > Reviewed-on: https://skia-review.googlesource.com/22120 > Reviewed-by: Leon Scroggins <scroggo@google.com> > Commit-Queue: Leon Scroggins <scroggo@google.com> TBR=djsollen@google.com,scroggo@google.com Bug: skia:6828 Change-Id: I36ff5a11c529d29e8adc95f43b8edc6fd1dbf5b8 Reviewed-on: https://skia-review.googlesource.com/22320 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Revert "Remove support for decoding to kIndex_8"Gravatar Leon Scroggins2017-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 742a3e298fda669006147e4a305bab8452369b1f. Reason for revert: Breaking Android roll: frameworks/base/core/jni/android/graphics/BitmapFactory.cpp:453:18: error: no member named 'fColorPtr' in 'SkAndroidCodec::AndroidOptions' codecOptions.fColorPtr = colorPtr; ~~~~~~~~~~~~ ^ frameworks/base/core/jni/android/graphics/BitmapFactory.cpp:454:18: error: no member named 'fColorCount' in 'SkAndroidCodec::AndroidOptions' codecOptions.fColorCount = colorCount; ~~~~~~~~~~~~ ^ Original change's description: > Remove support for decoding to kIndex_8 > > Fix up callsites, and remove tests that no longer make sense. > > Bug: skia:6828 > Change-Id: I2548c4b7528b7b1be7412563156f27b52c9d4295 > Reviewed-on: https://skia-review.googlesource.com/21664 > Reviewed-by: Derek Sollenberger <djsollen@google.com> > Commit-Queue: Leon Scroggins <scroggo@google.com> TBR=djsollen@google.com,scroggo@google.com Change-Id: I1bc669441f250690884e75a9a61427fdf75c6907 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: skia:6828 Reviewed-on: https://skia-review.googlesource.com/22120 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Remove support for decoding to kIndex_8Gravatar Leon Scroggins III2017-07-10
| | | | | | | | | | Fix up callsites, and remove tests that no longer make sense. Bug: skia:6828 Change-Id: I2548c4b7528b7b1be7412563156f27b52c9d4295 Reviewed-on: https://skia-review.googlesource.com/21664 Reviewed-by: Derek Sollenberger <djsollen@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Add SkCodec::Result indicating error in the dataGravatar Leon Scroggins III2017-07-06
| | | | | | | | | | | | | | | | | | Previously, SkGifCodec treated an error in the LZW data as incomplete, since we can still draw the partially decoded image. But a client doing incremental decodes needs to distinguish this from truly incomplete data. In the case of an error, the client should not attempt to provide more data and decode again. Add kErrorInInput, and return it when SkGifCodec sees a fatal error. Treat it the same as kIncompleteInput when it comes to filling and DM. Bug: skia:6825 Change-Id: Ic6ce3a62c0b065ed34dcd8006309e43272a3db9f Reviewed-on: https://skia-review.googlesource.com/21530 Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Chris Blume <cblume@chromium.org>
* Consolidate decoding frames into SkCodecGravatar Leon Scroggins III2017-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new private method to SkCodec that handles Options.fFrameIndex: - Check to ensure the index is valid - Call onGetFrameCount to force parsing the stream - Recursively call getPixels (it should be complete, so no need for incremental decoding) to decode the prior frame if necessary - Zero fill a RestoreBGColor frame Call the method in getPixels and startIncrementalDecode, and remove duplicate code from GIF and WEBP. Remove support for scaling frames beyond the first, which is currently unused. Preserve the feature of SkGifCodec that it will only parse to the end of the first frame if the first frame is asked for. (Also note that when we continue a partial frame, we won't force parsing the full stream.) If the client only wants the first frame, parsing the rest would be unnecessary. But if the client wants the second, we assume they will want any remaining frames, so we parse the remainder of the stream. This simplifies the code (so SkCodec does not have to ask its subclass to parse up to a particular frame). Update tests that relied on the old behavior: - Codec_partialAnim now hardcodes the bytes needed. Previously it relied on the old behavior that GIF only parsed up to the frame being decoded. - Codec_skipFullParse now only tests the first frame, since that is the case where it is important to skip a full parse. TBR=reed@google.com No changes to the public API. Change-Id: Ic2f075452dfeedb4e3e60e6cf4df33ee7bd38495 Reviewed-on: https://skia-review.googlesource.com/19276 Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Matt Sarett <msarett@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Simplify SkCodecs' call to SkColorSpaceXform::applyGravatar Leon Scroggins III2017-06-05
| | | | | | | | | | | | | | | | | | | | | | | | | | Most SkCodec subclasses did the following to apply their SkColorSpaceXform: dstFormat = select_xform_format(dstInfo.colorType()); srcFormat = select_xform_format(<something that doesn't change>); xformAlphaType = select_xform_alpha(dstInfo.alphaType(), this->getInfo().alphaType()); this->colorXform()->apply(dstFormat, dst, srcFormat, src, width, xformAlphaType); Consolidate the computation of these parameters into SkCodec and add a new method to SkCodec that calls apply() with those parameters. Add a SkColorSpaceXform::ColorFormat to SkCodec. This allows the new method SkCodec::applyColorXform to supply the ColorFormat. TBR=reed@google.com (No change to public API.) Change-Id: I8ea7ba4c0024be827a9f9359796c778744330f6e Reviewed-on: https://skia-review.googlesource.com/18523 Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Matt Sarett <msarett@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Add animation support to SkWebpCodecGravatar Leon Scroggins III2017-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TBR=reed@google.com (No change to the public API, but changed a header file) SkWebpCodec: - Implement onGetFrameCount, onGetFrameInfo, and onGetRepetitionCount - Respect the alpha reported by libwebp. Although the spec states that it is only a hint, the libwebp encoder uses it properly. Respecting allows us to draw opaque images faster and decode them to 565. This also matches other SkCodecs (and Chromium). - onGetPixels: - Decode the frame requested, recursively decoding required frame if necessary - When blending with a prior frame, use SkRasterPipeline SkCodec: - Move check for negative index to getFrameInfo - Reset the colorXform if one is not needed SkCodecAnimation: - Add new blend enum, for WebP's (and APNG's) non-blending option SkFrameHolder: - New base classes for frames and the owner of the frames, allowing code sharing between SkWebpCodec and SkGifCodec (particularly for determining whether a frame has alpha and what frame it depends on) - When moving items from SkGIFFrameContext, use Skia conventions (i.e. int instead of unsigned) - Rename "delay time" to "duration", to match e.g. SkFrameInfo:: fDuration SkGifImageReader: - Move pieces to SkFrameHolder, and adapt to changes made in the process - Make setAlphaAndRequiredFrame (now on the base class SkFrameHolder) more general to support webp, and add support for frames that do not blend - Change SkGIFFrameContext from a struct to a class, to match how we use the distinction elsewhere (i.e. struct is a small object with public fields) - Rework hasTransparentPixel (now hasTransparency, since it returns true in some cases where there is not a transparent pixel) to better fit with the modified setAlphaAndRequiredFrame. Also be more consistent when there is no transparent pixel but no color map. - Simplify an if condition that was previously simplified in 2d61e717 but accidentally got reverted in a4db9be6 CodecAnimTest: - Test new animated webp files - Rearrange the test to more cleanly print alpha type mismatches for the first frame resources: - webp-animated.webp - animated webp from Chromium - blendBG.webp - new webp file using bits of webp-animated-semitransparent4.webp from Chromium - tests required frame and alpha when using the non-blending mode - frames have the following properties: - Frame 0: no alpha, fills screen - Frame 1: alpha, fills screen - Frame 2: no alpha, fills screen - Frame 3: alpha, fills screen, blendBG - Frame 4: no alpha, fills screen, blendBG - Frame 5: alpha, blendBG - Frame 6: covers 4, has alpha, blendBG - also used to test decoding to 565 if the new frame data has alpha but blends onto an opaque frame DM.cpp: - Test animated images to non-native 8888 and unpremul DMSrcSink.cpp: - Do not test non-native 8888 decodes to f16 dst - Test unpremul decodes to f16 - Copy a frame of an animated image prior to drawing, since in unpremul mode, the DM code will premultiply first. Bug: skia: 3315 Change-Id: I4e55ae2ee5bc095b37a743bdcfac644be603b980 Reviewed-on: https://skia-review.googlesource.com/16707 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Matt Sarett <msarett@google.com>
* Switch SkCodec to int for counts and indicesGravatar Leon Scroggins III2017-04-17
| | | | | | | | | | | | This matches other Skia APIs. size_t was adopted from blink/ GIFImageReader. Change-Id: Ic83e59f0942f597c4fb834e623acd9886ad483fe Reviewed-on: https://skia-review.googlesource.com/13274 Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Matt Sarett <msarett@google.com> Reviewed-by: Chris Blume <cblume@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Add SkCodec methods for individual framesGravatar Leon Scroggins III2017-04-12
| | | | | | | | | | | | | | | | | | | | | Add a version of getFrameInfo that returns information about a single frame, allowing a client to skip creating the entire vector. Add getFrameCount, for determining the number of frames in the image. Reimplement std::vector<FrameInfo> getFrameInfo with the new methods. Updates to the test: - getFrameInfo(size_t, FrameInfo*) fails before parsing - Test both versions of getFrameInfo - Recreate the codec between tests, to test parsing Change-Id: I77c19087f2f8dcf2c536d80167b18ad1ca96ae94 Reviewed-on: https://skia-review.googlesource.com/13190 Reviewed-by: Matt Sarett <msarett@google.com> Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Chris Blume <cblume@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com>
* Add SkTransferFunctionBehavior flag: Use in codec and encoderGravatar Matt Sarett2017-03-24
| | | | | | | | | | | | | | This is a step towards removing the non-linear blending flag from SkColorSpace. The flag on SkColorSpace used to control the premul behavior - now it is controlled by this option. BUG=skia: Change-Id: Ia29bd8c2b0596a93c6aa14332dcd9bd39e388a90 Reviewed-on: https://skia-review.googlesource.com/10008 Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Matt Sarett <msarett@google.com>
* Enable legacy premuls in SkColorSpaceXformGravatar Matt Sarett2017-02-22
| | | | | | | | | | | | | | | | | | | | | ***Will allow for simplified Android framework code, they typically want a color correct transform followed by a gamma encoded premul. ***Chrome does the same, so this will make it easier to replace their codecs. ***Will decrease code size. Both types of premuls are moved off the fast path here - one is essentially unused in production and the other is not "encouraged". ***Will actually make the common case faster: sRGB->sRGB means no color xform, just premul in SkSwizzler. BUG=skia: CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD Change-Id: Ia4ec1d273b6f137151f951d37c0ebf975f6b9a3e Reviewed-on: https://skia-review.googlesource.com/8848 Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Matt Sarett <msarett@google.com>
* Use non-linear color spaces for Android decode outputsGravatar Matt Sarett2017-02-16
| | | | | | | | | | BUG=skia: Change-Id: Ic4bce28f4bc45f73cbfcacc3630140d11fa9c41f Reviewed-on: https://skia-review.googlesource.com/8530 Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Matt Sarett <msarett@google.com>
* Set fOptions in SkCodec::getPixelsGravatar Leon Scroggins III2017-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Subclasses sometimes try to read fOptions, but it used to not get set for full decodes. As a result, they might be reading the Options from a previous scanline/incremental decode. In addition to being wrong, this is bad in the case of an fSubset pointing to a rectangle that no longer exists. So set fOptions in getPixels, prior to any attempts to read it by sub- classes. Use a different workaround for the webp/incomplete bug. Set fSubset to null prior to calling fillIncompleteImage. It can only be non-null for webp, and in that case we do not want the fill call to be using the subset width. Modify the Codec_jpeg_rewind test to use an incomplete image, so that it will also test fillIncompleteImage. DM tests of inc0.webp and inc1.webp will verify that the incomplete bug has not resurfaced. BUG=skia:5772 Change-Id: If5e1e3c9a7f337183783299c0a9e58dcbbc84119 Reviewed-on: https://skia-review.googlesource.com/7682 Commit-Queue: Matt Sarett <msarett@google.com> Commit-Queue: Leon Scroggins <scroggo@google.com> Reviewed-by: Matt Sarett <msarett@google.com>
* Add F16, SkColorSpaceXform support to SkGifCodecGravatar Matt Sarett2016-11-04
| | | | | | | | | | | BUG=skia:4895 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4396 Change-Id: I7c521760891852daf4f3933ecf02dc08acec64c0 Reviewed-on: https://skia-review.googlesource.com/4396 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Matt Sarett <msarett@google.com>
* Remove SkAutoTDelete.Gravatar Ben Wagner2016-11-03
| | | | | | | | | Replace with std::unique_ptr. Change-Id: I5806cfbb30515fcb20e5e66ce13fb5f3b8728176 Reviewed-on: https://skia-review.googlesource.com/4381 Commit-Queue: Ben Wagner <bungeman@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org>
* Add support for multiple frames in SkCodecGravatar scroggo2016-10-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an interface to decode frames beyond the first in SkCodec, and add an implementation for SkGifCodec. Add getFrameData to SkCodec. This method reads ahead in the stream to return a vector containing meta data about each frame in the image. This is not required in order to decode frames beyond the first, but it allows a client to learn extra information: - how long the frame should be displayed - whether a frame should be blended with a prior frame, allowing the client to provide the prior frame to speed up decoding Add a new fields to SkCodec::Options: - fFrameIndex - fHasPriorFrame The API is designed so that SkCodec never caches frames. If a client wants a frame beyond the first, they specify the frame in Options.fFrameIndex. If the client does not have the frame's required frame (the frame that this frame must be blended on top of) cached, they pass false for Options.fHasPriorFrame. Unless the frame is independent, the codec will then recursively decode all frames necessary to decode fFrameIndex. If the client has the required frame cached, they can put it in the dst they pass to the codec, and the codec will only draw fFrameIndex onto it. Replace SkGifCodec's scanline decoding support with progressive decoding, and update the tests accordingly. Implement new APIs in SkGifCodec. Instead of using gif_lib, use GIFImageReader, imported from Chromium (along with its copyright headers) with the following changes: - SkGifCodec is now the client - Replace blink types - Combine GIFColorMap::buildTable and ::getTable into a method that creates and returns an SkColorTable - Input comes from an SkStream, instead of a SegmentReader. Add SkStreamBuffer, which buffers the (potentially partial) stream in order to decode progressively. (FIXME: This requires copying data that previously was read directly from the SegmentReader. Does this hurt performance? If so, can we fix it?) - Remove UMA code - Instead of reporting screen width and height to the client, allow the client to query for it - Fail earlier if the first frame AND screen have size of zero - Compute required previous frame when adding a new one - Move GIFParseQuery from GIFImageDecoder to GIFImageReader - Allow parsing up to a specific frame (to skip parsing the rest of the stream if a client only wants the first frame) - Compute whether the first frame has alpha and supports index 8, to create the SkImageInfo. This happens before reporting that the size has been decoded. Add GIFImageDecoder::haveDecodedRow to SkGifCodec, imported from Chromium (along with its copyright header), with the following changes: - Add support for sampling - Use the swizzler - Keep track of the rows decoded - Do *not* keep track of whether we've seen alpha Remove SkCodec::kOutOfOrder_SkScanlineOrder, which was only used by GIF scanline decoding. Call onRewind even if there is no stream (SkGifCodec needs to clear its decoded state so it will decode from the beginning). Add a method to SkSwizzler to access the offset into the dst, taking subsetting into account. Add a GM that animates a GIF. Add tests for the new APIs. *** Behavior changes: * Previously, we reported that an image with a subset frame and no transparent index was opaque and used the background index (if present) to fill the background. This is necessary in order to support index 8, but it does not match viewers/browsers I have seen. Examples: - Chromium and Gimp render the background transparent - Firefox, Safari, Linux Image Viewer, Safari Preview clip to the frame (for a single frame image) This CL matches Chromium's behavior and renders the background transparent. This allows us to have consistent behavior across products and simplifies the code (relative to what we would have to do to continue the old behavior on Android). It also means that we will no longer support index 8 for some GIFs. * Stop checking for GIFSTAMP - all GIFs should be either 89a or 87a. This matches Chromium. I suspect that bugs would have been reported if valid GIFs started with "GIFVER" instead of "GIF89a" or "GIF87a" (but did not decode in Chromium). *** Future work not included in this CL: * Move some checks out of haveDecodedRow, since they are the same for the entire frame e.g. - intersecting the frameRect with the full image size - whether there is a color table * Change when we write transparent pixels - In some cases, Chromium deemed this unnecessary, but I suspect it is slower than the fallback case. There will continue to be cases where we should *not* write them, but for e.g. the first pass where we have already cleared to transparent (which we may also be able to skip) writing the transparent pixels will not make anything incorrect. * Report color type and alpha type per frame - Depending on alpha values, disposal methods, frame rects, etc, subsequent frames may have different properties than the first. * Skip copies of the encoded data - We copy the encoded data in case the stream is one that cannot be rewound, so we can parse and then decode (possibly not immediately). For some input streams, this is unnecessary. - I was concerned this cause a performance regression, but on average the new code is faster than the old for the images I tested [1]. - It may cause a performance regression for Chromium, though, where we can always move back in the stream, so this should be addressed. Design doc: https://docs.google.com/a/google.com/document/d/12Qhf9T92MWfdWujQwCIjhCO3sw6pTJB5pJBwDM1T7Kc/ [1] https://docs.google.com/a/google.com/spreadsheets/d/19V-t9BfbFw5eiwBTKA1qOBkZbchjlTC5EIz6HFy-6RI/ GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=2045293002 Review-Url: https://codereview.chromium.org/2045293002
* Safely handle unsupported color xforms in SkCodecGravatar Matt Sarett2016-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | (1) The transformation code *should* support any src SkColorSpace that we successfully parse. This is agreed upon internally and by clients. The fact that we currently don't is just a bug... (2) We cannot and will not support all SkColorSpaces as dsts. So if we fail to make a SkColorSpaceXform, we should assume that it was caused by a bad dst color space. The correct response in this case is to return kInvalidConversion. I've rewritten the CL to do this. The fact that weird src spaces will sometimes trigger a kInvalidConversion is just a bug that is being actively worked on. TBR=reed@google.com BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3661 Change-Id: Iac2b45120507ec71b1b3d555c61931f7348dad9e Reviewed-on: https://skia-review.googlesource.com/3661 Commit-Queue: Matt Sarett <msarett@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Robert Aftias <raftias@google.com>
* Make SkPngCodec decode progressively.Gravatar scroggo2016-09-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a step towards using SkCodec in Chromium, where progressive decoding is necessary. Switch from using png_read_row (which expects all the data to be available) to png_process_data, which uses callbacks when rows are available. Create a new API for SkCodec, which supports progressive decoding and scanline decoding. Future changes will switch the other clients off of startScanlineDecode and get/skip-Scanlines to the new API. Remove SkCodec::kNone_ScanlineOrder, which was only used for interlaced PNG images. In the new API, interlaced PNG fits kTopDown. Also remove updateCurrScanline(), which was only used by the old implementation for interlaced PNG. DMSrcSink: - In CodecSrc::kScanline_Mode, use the new method for scanline decoding for the supported formats (just PNG and PNG-in-ICO for now). fuzz.cpp: - Remove reference to kNone_ScanlineOrder SkCodec: - Add new APIs: - startIncrementalDecode - incrementalDecode - Remove kNone_SkScanlineOrder and updateCurrScanline() - Set fDstInfo and fOptions in getPixels(). This may not be necessary for all implementations, but it simplifies things for SkPngCodec. SkPngCodec: - Implement new APIs - Switch from sk_read_fn/png_read_row etc to png_process_data - Expand AutoCleanPng's role to decode the header and create the SkPngCodec - Make the interlaced PNG decoder report how many lines were initialized during an incomplete decode SkIcoCodec: - Implement the new APIs; supported for PNG in ICO SkSampledCodec: - Call the new method for decoding scanlines, and fall back to the old method if the new version is unimplemented - Remove references to kNone_SkScanlineOrder tests/CodecPartial: - Add a test which decodes part of an image, then finishes the decode, and compares it to the straightforward method tests/CodecTest: - Add a test which decodes all scanlines using the new method - Repurpose the Codec_stripes test to decode using the new method in sections rather than all at once - In the method check(), add a parameter for whether the image supports the new method of scanline decoding, and be explicit about whether an image supports incomplete - Test incomplete PNG decodes. We should have been doing it anyway for non-interlaced (except for an image that is too small - one row), but the new method supports interlaced incomplete as well - Make test_invalid_parameters test the new method - Add a test to ensure that it's safe to fall back to scanline decoding without rewinding BUG=skia:4211 The new version was generally faster than the old version (but not significantly so). Some raw performance differences can be found at https://docs.google.com/a/google.com/spreadsheets/d/1Gis3aRCEa72qBNDRMgGDg3jD-pMgO-FXldlNF9ejo4o/ Design doc can be found at https://docs.google.com/a/google.com/document/d/11Mn8-ePDKwVEMCjs3nWwSjxcSpJ_Cu8DF57KNtUmgLM/ GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1997703003 Review-Url: https://codereview.chromium.org/1997703003
* Implement Fill() for incomplete decodes to RGBA_F16Gravatar msarett2016-09-13
| | | | | | | | | Before this patch, we would hit an SkASSERT(false). BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2335203002 Review-Url: https://codereview.chromium.org/2335203002
* change SkStreams to work with sk_sp<SkData> instead of SkData*Gravatar reed2016-09-12
| | | | | | | BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2333713002 Review-Url: https://codereview.chromium.org/2333713002
* Use demux API in SkWebpCodecGravatar msarett2016-09-07
| | | | | | | | | | | | | | | * Necessary to read ICC profiles * Will be necessary to implement animation * Requires consolidated data with length Doesn't affect decode performance (thought I believe our performance tests only cover SkStreams with memory bases). BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2311793004 Review-Url: https://codereview.chromium.org/2311793004
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 04:57:01 +0000