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Ingvar Stepanyan 7da3f07333 Switch to Emscripten upstream

Looks like we've been stuck on Emscripten fastcomp backend, misssing out on all new optimisations between LLVM 6 and LLVM 11 and going via slow asm.js pipeline when building.

This changes Docker images for Emscripten projects to point to emscripten-upstream instead and commits the updated artifacts.

2020-05-01 15:00:10 +01:00

build.sh

Switch to Emscripten upstream

2020-05-01 15:00:10 +01:00

example.html

Make WebP decoder use memory views (#145 )

2018-08-21 13:29:53 +01:00

imagequant.cpp

Switch to Emscripten upstream

2020-05-01 15:00:10 +01:00

imagequant.d.ts

Make WebP decoder use memory views (#145 )

2018-08-21 13:29:53 +01:00

imagequant.js

Switch to Emscripten upstream

2020-05-01 15:00:10 +01:00

imagequant.wasm

Switch to Emscripten upstream

2020-05-01 15:00:10 +01:00

package-lock.json

Easter egg (#123 )

2018-08-06 12:42:23 +01:00

package.json

Switch to Emscripten upstream

2020-05-01 15:00:10 +01:00

README.md

Make WebP decoder use memory views (#145 )

2018-08-21 13:29:53 +01:00

README.md

ImageQuant

Source: https://github.com/ImageOptim/libimagequant
Version: v2.12.1

Dependencies

Docker

Example

See example.html

API

`int version()`

Returns the version of libimagequant as a number. va.b.c is encoded as 0x0a0b0c

`RawImage quantize(std::string buffer, int image_width, int image_height, int numColors, float dithering)`

Quantizes the given images, using at most numColors, a value between 2 and 256. dithering is a value between 0 and 1 controlling the amount of dithering. RawImage is a class with 3 fields: buffer, width, and height.

`RawImage zx_quantize(std::string buffer, int image_width, int image_height, float dithering)`

???

`void free_result()`

Frees the result created by quantize().