Add new rust-based decoder implementation#4

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Lolle2000la wants to merge 83 commits into

mihonapp:mainfrom

Lolle2000la:rewrite-in-rust

Commits on Mar 1, 2026

Commits on Mar 2, 2026

Setup the build environment for the rust crate
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Add Rect and ImageInfo structs with associated methods for image processing
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Reimplement the border finding logic
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Implement image decoding support for multiple formats (PNG, WebP, HEIF+AVIF, JPEG, JXL)
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Add ICC color transformation function for RGBA pixels
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Implement image type detection and format identification from file headers
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Implement downsample_region function for image resizing
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Add core modules and JNI integration for image decoding
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Add integration tests for image decoding and format detection
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Import correct repo for rust-plugin, use the latest version that came out while developing and use the same AGP version as mihon
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Add native-libs directory to .gitignore for Rust integration
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Fix wrapper `distributionUrl` still being in the old version
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Update jniLibs source directories and ensure cargoBuild tasks depend on CMake build
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Service libheifcodec.so and upgrade it to v1.21.2 while at it
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Add build script for JNI integration with Android
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Add 16 KB page-size alignment for Android 15+ devices in CMake and Rust build scripts
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Create benchmarks
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Refactor pixel transformation to optimize alpha channel handling
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Add release profile to cargo configuration in build.gradle
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Add release profile configuration to Cargo.toml
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Refactor downsample_region to optimize cropping and memory handling
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Refactor grayscale conversion in parse_info to use iterator for improved performance
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Refactor decode_rgba to use chunk iterators for improved performance and reduced bounds checks
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Refactor nativeDecode to eliminate unnecessary buffer allocation and use slice directly for decoding
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Refactor color conversion to use rgb_to_luma function for improved readability and maintainability
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Refactor color conversion to use rgb_to_luma function for improved readability and maintainability
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Move more conditions out of the loops and use iterators for more optimizations
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Refactor decode_rgba to use a helper function for color conversion, improving readability and reducing code duplication
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Refactor decode_rgba to use stream for direct buffer writing, improving performance and reducing memory allocation
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Commits on Mar 3, 2026

Commits on Mar 4, 2026

Commits on Mar 6, 2026

Commits on Mar 8, 2026