ImageSharp

Commit Graph

Author	SHA1	Message	Date
James Jackson-South	4b07920c7c	Fix alpha association and SIMD rounding parity Refactors `Color` to track both exposed and stored alpha representations, adds `ToScaledVector4(PixelAlphaRepresentation)`, and adjusts pixel conversion paths so associated formats preserve canonical values without unnecessary unpremultiply/reassociate loss. This also updates equality/hash behavior to compare canonical scaled values. SIMD helpers are split into `MultiplyAddEstimate` vs `FusedMultiplyAdd`, with byte-to-float normalization updated to match scalar rounding exactly across vector widths. JPEG converters, resize kernels, and Porter-Duff/associated-alpha blending paths were updated to use the appropriate helper for either fast estimate or strict fused rounding semantics. Tests were expanded substantially (including exhaustive component/alpha cases and fused-order checks), incidental test cleanup was applied, benchmark comment snapshots were refreshed, and one black/white reference output image was updated.	2 months ago
James Jackson-South	c4683902a4	Add associated-alpha pixel formats Introduce Rgba32P, Bgra32P, Argb32P, Abgr32P, NormalizedByte4P, and HalfVector4P. Add representation-aware scalar and bulk conversions, optimized pixel operations, and associated-alpha blending across all Porter-Duff modes. Include comprehensive conversion, layout, blending, and performance coverage.	2 months ago
James Jackson-South	5a0a74fecc	Merge pull request #3152 from SixLabors/js/fix-convolution-small-bounds Fix convolution sampling for bounds smaller than the kernel radius	2 months ago
James Jackson-South	0b685ab034	Fix convolution sampling for bounds smaller than the kernel radius KernelSamplingMap.CorrectBorder sliced the offset span by radius * kernelSize, so bounds narrower than the kernel radius threw ArgumentOutOfRangeException (GaussianBlur of a 130x8 region with sigma 10, for example), and bounds exactly equal to the radius let Bounce offsets escape the sampling range by folding an overshoot of a full extent to min - 1. Route bounds no larger than the radius through an exact per-mode correction that folds each offset into range: clamp for Repeat, periodic reflection for Mirror and Bounce, and true modulo for Wrap. The single-pass corrections are unchanged for larger bounds.	2 months ago
James Jackson-South	cef0402233	Merge branch 'main' into png-cgbi-improvements	2 months ago
James Jackson-South	ed6c2ddabf	Merge pull request #3149 from SixLabors/dependabot/github_actions/actions/cache-6 Bump actions/cache from 5 to 6	2 months ago
James Jackson-South	df8634eed1	Merge pull request #3146 from SixLabors/dependabot/github_actions/actions/checkout-7 Bump actions/checkout from 6 to 7	2 months ago
James Jackson-South	67aa0d341c	Merge pull request #3150 from SixLabors/js/porter-duff-coverage Add BlendWithCoverage overloads. Optimize Rgba32 compatible shuffling.	2 months ago
James Jackson-South	74ecde6667	Merge branch 'main' into js/porter-duff-coverage	2 months ago
James Jackson-South	eb4bfc95ea	Add BlendWithCoverage overloads. Optimize Rgba32 compatible shuffling.	2 months ago
dependabot[bot]	39d5eec886	Bump actions/cache from 5 to 6 Bumps [actions/cache](https://github.com/actions/cache) from 5 to 6. - [Release notes](https://github.com/actions/cache/releases) - [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md) - [Commits](https://github.com/actions/cache/compare/v5...v6) --- updated-dependencies: - dependency-name: actions/cache dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	3 months ago
dependabot[bot]	13f417e40f	Bump actions/checkout from 6 to 7 Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7. - [Release notes](https://github.com/actions/checkout/releases) - [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md) - [Commits](https://github.com/actions/checkout/compare/v6...v7) --- updated-dependencies: - dependency-name: actions/checkout dependency-version: '7' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	3 months ago
James Jackson-South	fd464a4725	Revise SECURITY.md for clarity on security policies Updated the security policy to clarify supported versions, reporting vulnerabilities, and scope of responsibility.	3 months ago
Erik White	e136830476	Merge branch 'png-cgbi-improvements' of https://github.com/Erik-White/ImageSharp into png-cgbi-improvements	3 months ago
Erik White	5472d6918a	Use FeatureTestRunner for all instruction sets	3 months ago
Erik White	fb207199f5	Clean up/clarify test helper method	3 months ago
James Jackson-South	9c41e9c12e	Merge pull request #3141 from SixLabors/dependabot/github_actions/codecov/codecov-action-7 Bump codecov/codecov-action from 6 to 7	3 months ago
James Jackson-South	4869c344b3	Merge branch 'main' into png-cgbi-improvements	3 months ago
James Jackson-South	1e85a10647	Merge branch 'main' into dependabot/github_actions/codecov/codecov-action-7	3 months ago
James Jackson-South	58873574c6	Merge pull request #3143 from SixLabors/js/fix-3142 Fix GIF transparency handling and dither	3 months ago
James Jackson-South	e5ca2782e6	Fix GIF transparency handling and dither	3 months ago
dependabot[bot]	3d50834193	Bump codecov/codecov-action from 6 to 7 Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 6 to 7. - [Release notes](https://github.com/codecov/codecov-action/releases) - [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md) - [Commits](https://github.com/codecov/codecov-action/compare/v6...v7) --- updated-dependencies: - dependency-name: codecov/codecov-action dependency-version: '7' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	3 months ago
Erik White	47678c748d	Use single buffer for shuffle bytes	4 months ago
Erik White	3b37d5552d	Remove redundant floor. Float to int conversion will already truncate toward zero	4 months ago
Erik White	49dc1951db	Fix read stream byte read semantics	4 months ago
Erik White	e6f09d6616	Use constant or static values where possible	4 months ago
Erik White	9dfc0ca044	Remove unnecessary instruction set check	4 months ago
Erik White	a68921cac3	Break out cgbi helper methods	4 months ago
Erik White	fdc15d283e	Separate Zlib header validation fom stream reading	4 months ago
Erik White	29ae5f8409	Guard CgBI bit depth and color type	4 months ago
James Jackson-South	04ff1e91de	Merge pull request #3136 from Erik-White/png-cgbi Add support for Apple CgBI PNG images	4 months ago
James Jackson-South	a3e9cc6fd4	Fix in-place shuffles and vectorize PNG CgBI transform	4 months ago
Erik White	4f27f4fc38	Merge branch 'png-cgbi' of https://github.com/Erik-White/ImageSharp into png-cgbi	4 months ago
Erik White	5d206ec10f	Add test data for RGB24	4 months ago
James Jackson-South	e4e0613bee	Merge branch 'main' into png-cgbi	4 months ago
Erik White	70a49b1d9d	Add tests for Identify	4 months ago
Erik White	4f85600cb8	Improve ApplyCgbiTransform	4 months ago
Erik White	3e843a06a2	Implement CgBI support	4 months ago
James Jackson-South	f6d369d86a	Merge pull request #3134 from SixLabors/js/fix-pbm-dcoder Validate PBM max pixel value	4 months ago
James Jackson-South	8e6cab957b	Validate PBM max pixel value	4 months ago
James Jackson-South	8f2716b567	GIF: background handling & quantizer overflow fix (#3133 ) * GIF: background handling & quantizer overflow fix * Fix tests	4 months ago
James Jackson-South	ff36e83c74	Add AllocationTrackedMemoryManager and refactor allocators (#3120 ) * Add AllocationTrackedMemoryManager and refactor allocators * Add AllocationTrackingState and refactor tracking * Cleanup * Address feedback * Introduce ApplyOptions and use in allocators * Propagate allocation tracking to lifetime guards * Address Copilot feedback * Fix multi-buffer group tracking and enforce limits * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Fix override accesibility --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>	4 months ago
Sven Claesson	c795d81404	Fix integer overflow and bounds-checking vulnerabilities in EXR decoder (#3126 ) * Fix integer overflow and bounds-checking vulnerabilities in EXR decoder Use ulong arithmetic in CalculateBytesPerRow and block size calculations to prevent integer overflow. Add validation for DataWindow dimensions, block size limits, and row offsets outside stream bounds. * Harden EXR row offset validation * EXR: validate sizes, prevent overflows, dispose image --------- Co-authored-by: James Jackson-South <james_south@hotmail.com>	4 months ago
James Jackson-South	ae72ea08b6	Merge pull request #3127 from SixLabors/js/coverage Add additional unit tests to improve code coverage. Update licensing	4 months ago
James Jackson-South	1e65e08fc1	Add additional unit tests to improve code coverage. Update licensing version	4 months ago
James Jackson-South	2b1c7e0cf1	Merge pull request #3121 from SixLabors/dependabot/github_actions/NuGet/setup-nuget-4 Bump NuGet/setup-nuget from 2 to 4	4 months ago
James Jackson-South	6ec54552f0	Merge pull request #3097 from SixLabors/dependabot/github_actions/codecov/codecov-action-6 Bump codecov/codecov-action from 5 to 6	4 months ago
James Jackson-South	a7b9258349	Merge branch 'main' into dependabot/github_actions/NuGet/setup-nuget-4	5 months ago
James Jackson-South	936a65bdbf	Merge pull request #3124 from SixLabors/bp/decodePxr24 Add support for decoding PXR24 compressed Exr images	5 months ago
Brian Popow	1d99ec24c3	Merge branch 'main' into bp/decodePxr24	5 months ago

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