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6 Commits

Author SHA1 Message Date
41f085438b Create my own memory 2019-01-24 16:33:03 -05:00
fdbc0932e4 Code review 2019-01-24 16:16:18 -05:00
2412e925ba Load wasm module 2019-01-24 15:21:34 -05:00
a676e1a2e9 Workaround asc build 2019-01-24 15:14:18 -05:00
a8265d5350 AssemblyScript version works 2019-01-24 15:12:48 -05:00
8f5c03e05b Add AssemblyScript implementation 2019-01-24 15:12:02 -05:00
206 changed files with 21920 additions and 4361 deletions

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@ -1,39 +0,0 @@
{
"presets": [
[
"@babel/preset-typescript",
{
"jsxPragma": "h"
}
],
[
"@parcel/babel-preset-env",
{
"loose": true,
"bugfixes": true
}
]
],
"plugins": [
[
"@babel/plugin-transform-react-jsx",
{
"loose": true,
"pragma": "h",
"pragmaFrag": "Fragment"
}
],
[
"@babel/plugin-proposal-decorators",
{
"legacy": true
}
],
[
"@babel/plugin-proposal-class-properties",
{
"loose": true
}
]
]
}

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@ -1,2 +0,0 @@
BasedOnStyle: Chromium
ColumnLimit: 100

3
.gitignore vendored
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@ -4,6 +4,3 @@ node_modules
*.scss.d.ts
*.css.d.ts
*.o
.parcel-cache
.cache
/public

1
.nvmrc
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@ -1 +0,0 @@
10.16.2

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@ -1,9 +0,0 @@
{
"extends": "@parcel/config-default",
"transformers": {
"*.wasm": ["@parcel/transformer-raw"]
},
"packagers": {
"*.wasm": "@parcel/packager-raw"
}
}

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@ -1,15 +0,0 @@
module.exports = function(app) {
// `app` is an Express instance
app.use(function(req, res, next) {
const sh = res.setHeader;
res.setHeader = function(key, value) {
// remove pointless/incorrect charset from binary responses:
if (/^content-type$/i.test(key)) {
const m = value && value.match(/^(image\/|application\/wasm); charset=.+$/);
if (m) value = m[1];
}
return sh.call(this, key, value);
}
next();
});
};

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@ -1,7 +1,7 @@
language: node_js
node_js:
- node
- 10
- 8
cache: npm
script: npm run build
after_success: npm run sizereport
os:
- linux
- windows

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@ -10,7 +10,6 @@ Google Analytics is used to record the following:
* [Basic visit data](https://support.google.com/analytics/answer/6004245?ref_topic=2919631).
* Before and after image size once an image is downloaded. These values are rounded to the nearest
kilobyte.
* If install is available, when Squoosh is installed, and what method was used to install Squoosh.
Image compression is handled locally; no additional data is sent to the server.

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@ -1,3 +0,0 @@
#!/bin/sh -e
docker build -t squoosh-cpp - < ../cpp.Dockerfile
docker run --rm -v $PWD:/src squoosh-cpp

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@ -1,4 +0,0 @@
set -e
docker build -t squoosh-rust - < ../rust.Dockerfile
docker run --rm -v $PWD:/src squoosh-rust "$@"

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@ -1,9 +0,0 @@
FROM emscripten/emsdk:1.39.19
RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
ENV CFLAGS "-Os -flto"
ENV CXXFLAGS "${CFLAGS} -std=c++17"
ENV LDFLAGS "${CFLAGS}"
# Build and cache standard libraries with these flags
RUN emcc ${CXXFLAGS} --bind -xc++ /dev/null -o /dev/null
WORKDIR /src
CMD ["sh", "-c", "emmake make -j`nproc`"]

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@ -1 +0,0 @@
/target

289
codecs/hqx/Cargo.lock generated
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@ -1,289 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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@ -1,37 +0,0 @@
[package]
name = "squooshhqx"
version = "0.1.0"
authors = ["Surma <surma@surma.link>"]
[lib]
crate-type = ["cdylib"]
[features]
default = ["console_error_panic_hook", "wee_alloc"]
[dependencies]
cfg-if = "0.1.2"
wasm-bindgen = "0.2.38"
# lazy_static = "1.0.0"
hqx = {git = "https://github.com/CryZe/wasmboy-rs", tag="v0.1.2"}
# The `console_error_panic_hook` crate provides better debugging of panics by
# logging them with `console.error`. This is great for development, but requires
# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
# code size when deploying.
console_error_panic_hook = { version = "0.1.1", optional = true }
# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
# compared to the default allocator's ~10K. It is slower than the default
# allocator, however.
#
# Unfortunately, `wee_alloc` requires nightly Rust when targeting wasm for now.
wee_alloc = { version = "0.4.2", optional = true }
[dev-dependencies]
wasm-bindgen-test = "0.2"
[profile.release]
# Tell `rustc` to optimize for small code size.
opt-level = "s"
lto = true

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@ -1,11 +0,0 @@
# This is intentionally an old version of Rust. Newer versions
# generate _significantly_ bigger Wasm binaries.
FROM rust:1.37
RUN rustup target add wasm32-unknown-unknown
RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
RUN mkdir /opt/binaryen && \
curl -L https://github.com/WebAssembly/binaryen/releases/download/1.38.32/binaryen-1.38.32-x86-linux.tar.gz | tar -xzf - -C /opt/binaryen --strip 1
ENV PATH="/opt/binaryen:${PATH}"
WORKDIR /src

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@ -1,21 +0,0 @@
#!/bin/bash
set -e
echo "============================================="
echo "Compiling wasm"
echo "============================================="
(
wasm-pack build -- --verbose --locked
rm pkg/.gitignore
)
echo "============================================="
echo "Compiling wasm done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull ubuntu\`"
echo "Run \`docker pull rust\`"
echo "Run \`docker build -t squoosh-hqx .\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

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@ -1,4 +0,0 @@
{
"name": "hqx",
"lockfileVersion": 1
}

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@ -1,7 +0,0 @@
{
"name": "hqx",
"scripts": {
"build:image": "docker build -t squoosh-hqx - < Dockerfile",
"build": "docker run --rm -v $(pwd):/src squoosh-hqx ./build.sh"
}
}

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@ -1,15 +0,0 @@
{
"name": "squooshhqx",
"collaborators": [
"Surma <surma@surma.link>"
],
"version": "0.1.0",
"files": [
"squooshhqx_bg.wasm",
"squooshhqx.js",
"squooshhqx.d.ts"
],
"module": "squooshhqx.js",
"types": "squooshhqx.d.ts",
"sideEffects": false
}

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@ -1,10 +0,0 @@
/* tslint:disable */
/* eslint-disable */
/**
* @param {Uint32Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} factor
* @returns {Uint32Array}
*/
export function resize(input_image: Uint32Array, input_width: number, input_height: number, factor: number): Uint32Array;

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@ -1,2 +0,0 @@
import * as wasm from "./squooshhqx_bg.wasm";
export * from "./squooshhqx_bg.js";

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@ -1,6 +0,0 @@
/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export function resize(a: number, b: number, c: number, d: number, e: number, f: number): void;
export function __wbindgen_malloc(a: number): number;
export function __wbindgen_free(a: number, b: number): void;

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@ -1,48 +0,0 @@
import * as wasm from './squooshhqx_bg.wasm';
let cachegetUint32Memory0 = null;
function getUint32Memory0() {
if (cachegetUint32Memory0 === null || cachegetUint32Memory0.buffer !== wasm.memory.buffer) {
cachegetUint32Memory0 = new Uint32Array(wasm.memory.buffer);
}
return cachegetUint32Memory0;
}
let WASM_VECTOR_LEN = 0;
function passArray32ToWasm0(arg, malloc) {
const ptr = malloc(arg.length * 4);
getUint32Memory0().set(arg, ptr / 4);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
let cachegetInt32Memory0 = null;
function getInt32Memory0() {
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
}
return cachegetInt32Memory0;
}
function getArrayU32FromWasm0(ptr, len) {
return getUint32Memory0().subarray(ptr / 4, ptr / 4 + len);
}
/**
* @param {Uint32Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} factor
* @returns {Uint32Array}
*/
export function resize(input_image, input_width, input_height, factor) {
var ptr0 = passArray32ToWasm0(input_image, wasm.__wbindgen_malloc);
var len0 = WASM_VECTOR_LEN;
wasm.resize(8, ptr0, len0, input_width, input_height, factor);
var r0 = getInt32Memory0()[8 / 4 + 0];
var r1 = getInt32Memory0()[8 / 4 + 1];
var v1 = getArrayU32FromWasm0(r0, r1).slice();
wasm.__wbindgen_free(r0, r1 * 4);
return v1;
}

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@ -1,55 +0,0 @@
extern crate cfg_if;
extern crate hqx;
extern crate wasm_bindgen;
mod utils;
use cfg_if::cfg_if;
use wasm_bindgen::prelude::*;
cfg_if! {
// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
// allocator.
if #[cfg(feature = "wee_alloc")] {
extern crate wee_alloc;
#[global_allocator]
static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
}
}
#[wasm_bindgen]
#[no_mangle]
pub fn resize(
input_image: Vec<u32>,
input_width: usize,
input_height: usize,
factor: usize,
) -> Vec<u32> {
let num_output_pixels = input_width * input_height * factor * factor;
let mut output_image = Vec::<u32>::with_capacity(num_output_pixels * 4);
output_image.resize(num_output_pixels, 0);
match factor {
2 => hqx::hq2x(
input_image.as_slice(),
output_image.as_mut_slice(),
input_width,
input_height,
),
3 => hqx::hq3x(
input_image.as_slice(),
output_image.as_mut_slice(),
input_width,
input_height,
),
4 => hqx::hq4x(
input_image.as_slice(),
output_image.as_mut_slice(),
input_width,
input_height,
),
_ => unreachable!(),
};
return output_image;
}

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@ -1,17 +0,0 @@
use cfg_if::cfg_if;
cfg_if! {
// When the `console_error_panic_hook` feature is enabled, we can call the
// `set_panic_hook` function at least once during initialization, and then
// we will get better error messages if our code ever panics.
//
// For more details see
// https://github.com/rustwasm/console_error_panic_hook#readme
if #[cfg(feature = "console_error_panic_hook")] {
extern crate console_error_panic_hook;
pub use self::console_error_panic_hook::set_once as set_panic_hook;
} else {
#[inline]
pub fn set_panic_hook() {}
}
}

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@ -1,40 +0,0 @@
CODEC_URL := https://github.com/ImageOptim/libimagequant/archive/2.12.1.tar.gz
CODEC_DIR := node_modules/libimagequant
CODEC_OUT_RELATIVE := libimagequant.a
CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
OUT_JS := imagequant.js
OUT_WASM := $(OUT_JS:.js=.wasm)
.PHONY: all clean
all: $(OUT_JS)
%.js: %.cpp $(CODEC_OUT)
$(CXX) \
-I $(CODEC_DIR) \
${CXXFLAGS} \
${LDFLAGS} \
--bind \
--closure 1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="$(basename $(@F))"' \
-o $@ \
$+
$(CODEC_OUT): $(CODEC_DIR)/config.mk
$(MAKE) -C $(CODEC_DIR) $(CODEC_OUT_RELATIVE)
$(CODEC_DIR)/config.mk: $(CODEC_DIR)/configure
cd $(CODEC_DIR) && ./configure \
--disable-sse
$(CODEC_DIR)/configure: $(CODEC_DIR)
$(CODEC_DIR):
mkdir -p $@
curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
clean:
$(RM) $(OUT_JS) $(OUT_WASM)
$(MAKE) -C $(CODEC_DIR) clean

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@ -24,3 +24,7 @@ Quantizes the given images, using at most `numColors`, a value between 2 and 256
### `RawImage zx_quantize(std::string buffer, int image_width, int image_height, float dithering)`
???
### `void free_result()`
Frees the result created by `quantize()`.

48
codecs/imagequant/build.sh Executable file
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@ -0,0 +1,48 @@
#!/bin/bash
set -e
export OPTIMIZE="-Os"
export LDFLAGS="${OPTIMIZE}"
export CFLAGS="${OPTIMIZE}"
export CPPFLAGS="${OPTIMIZE}"
echo "============================================="
echo "Compiling libimagequant"
echo "============================================="
(
emcc \
--bind \
${OPTIMIZE} \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="imagequant"' \
-I node_modules/libimagequant \
--std=c99 \
-c \
node_modules/libimagequant/{libimagequant,pam,mediancut,blur,mempool,kmeans,nearest}.c
)
echo "============================================="
echo "Compiling wasm module"
echo "============================================="
(
emcc \
--bind \
${OPTIMIZE} \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="imagequant"' \
-I node_modules/libimagequant \
-o ./imagequant.js \
--std=c++11 *.o \
-x c++ \
imagequant.cpp
)
echo "============================================="
echo "Compiling wasm module done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull trzeci/emscripten\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

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@ -28,6 +28,7 @@
// const rawImage = Module.quantize(image.data, image.width, image.height, 256, 1.0);
const rawImage = Module.zx_quantize(image.data, image.width, image.height, 1.0);
console.log('done');
Module.free_result();
const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), rawImage.width, rawImage.height);
const canvas = document.createElement('canvas');

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@ -1,87 +1,95 @@
#include <emscripten/bind.h>
#include <emscripten/val.h>
#include "emscripten/bind.h"
#include "emscripten/val.h"
#include <stdlib.h>
#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include "libimagequant.h"
using namespace emscripten;
int version() {
return (((LIQ_VERSION / 10000) % 100) << 16) | (((LIQ_VERSION / 100) % 100) << 8) |
(((LIQ_VERSION / 1) % 100) << 0);
return (((LIQ_VERSION/10000) % 100) << 16) |
(((LIQ_VERSION/100 ) % 100) << 8) |
(((LIQ_VERSION/1 ) % 100) << 0);
}
thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
class RawImage {
public:
val buffer;
int width;
int height;
#define liq_ptr(T) std::unique_ptr<T, std::integral_constant<decltype(&T##_destroy), T##_destroy>>
RawImage(val b, int w, int h)
: buffer(b), width(w), height(h) {}
};
using liq_attr_ptr = liq_ptr(liq_attr);
using liq_image_ptr = liq_ptr(liq_image);
using liq_result_ptr = liq_ptr(liq_result);
liq_result_ptr liq_image_quantize(liq_image* image, liq_attr* attr) {
liq_result* res = nullptr;
liq_image_quantize(image, attr, &res);
return liq_result_ptr(res);
}
val quantize(std::string rawimage,
int image_width,
int image_height,
int num_colors,
float dithering) {
auto image_buffer = (const liq_color*)rawimage.c_str();
liq_attr *attr;
liq_image *image;
liq_result *res;
uint8_t* result;
RawImage quantize(std::string rawimage, int image_width, int image_height, int num_colors, float dithering) {
const uint8_t* image_buffer = (uint8_t*)rawimage.c_str();
int size = image_width * image_height;
liq_attr_ptr attr(liq_attr_create());
liq_image_ptr image(
liq_image_create_rgba(attr.get(), image_buffer, image_width, image_height, 0));
liq_set_max_colors(attr.get(), num_colors);
auto res = liq_image_quantize(image.get(), attr.get());
liq_set_dithering_level(res.get(), dithering);
std::vector<uint8_t> image8bit(size);
std::vector<liq_color> result(size);
liq_write_remapped_image(res.get(), image.get(), image8bit.data(), image8bit.size());
auto pal = liq_get_palette(res.get());
attr = liq_attr_create();
image = liq_image_create_rgba(attr, image_buffer, image_width, image_height, 0);
liq_set_max_colors(attr, num_colors);
liq_image_quantize(image, attr, &res);
liq_set_dithering_level(res, dithering);
uint8_t* image8bit = (uint8_t*) malloc(size);
result = (uint8_t*) malloc(size * 4);
liq_write_remapped_image(res, image, image8bit, size);
const liq_palette *pal = liq_get_palette(res);
// Turn palletted image back into an RGBA image
for (int i = 0; i < size; i++) {
result[i] = pal->entries[image8bit[i]];
for(int i = 0; i < size; i++) {
result[i * 4 + 0] = pal->entries[image8bit[i]].r;
result[i * 4 + 1] = pal->entries[image8bit[i]].g;
result[i * 4 + 2] = pal->entries[image8bit[i]].b;
result[i * 4 + 3] = pal->entries[image8bit[i]].a;
}
return Uint8ClampedArray.new_(
typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
free(image8bit);
liq_result_destroy(res);
liq_image_destroy(image);
liq_attr_destroy(attr);
return {
val(typed_memory_view(image_width*image_height*4, result)),
image_width,
image_height
};
}
const liq_color zx_colors[] = {
{.r = 0, .g = 0, .b = 0, .a = 255}, // regular black
{.r = 0, .g = 0, .b = 215, .a = 255}, // regular blue
{.r = 215, .g = 0, .b = 0, .a = 255}, // regular red
{.r = 215, .g = 0, .b = 215, .a = 255}, // regular magenta
{.r = 0, .g = 215, .b = 0, .a = 255}, // regular green
{.r = 0, .g = 215, .b = 215, .a = 255}, // regular cyan
{.r = 215, .g = 215, .b = 0, .a = 255}, // regular yellow
{.r = 215, .g = 215, .b = 215, .a = 255}, // regular white
{.r = 0, .g = 0, .b = 255, .a = 255}, // bright blue
{.r = 255, .g = 0, .b = 0, .a = 255}, // bright red
{.r = 255, .g = 0, .b = 255, .a = 255}, // bright magenta
{.r = 0, .g = 255, .b = 0, .a = 255}, // bright green
{.r = 0, .g = 255, .b = 255, .a = 255}, // bright cyan
{.r = 255, .g = 255, .b = 0, .a = 255}, // bright yellow
{.r = 255, .g = 255, .b = 255, .a = 255} // bright white
{.a = 255, .r = 0, .g = 0, .b = 0}, // regular black
{.a = 255, .r = 0, .g = 0, .b = 215}, // regular blue
{.a = 255, .r = 215, .g = 0, .b = 0}, // regular red
{.a = 255, .r = 215, .g = 0, .b = 215}, // regular magenta
{.a = 255, .r = 0, .g = 215, .b = 0}, // regular green
{.a = 255, .r = 0, .g = 215, .b = 215}, // regular cyan
{.a = 255, .r = 215, .g = 215, .b = 0}, // regular yellow
{.a = 255, .r = 215, .g = 215, .b = 215}, // regular white
{.a = 255, .r = 0, .g = 0, .b = 255}, // bright blue
{.a = 255, .r = 255, .g = 0, .b = 0}, // bright red
{.a = 255, .r = 255, .g = 0, .b = 255}, // bright magenta
{.a = 255, .r = 0, .g = 255, .b = 0}, // bright green
{.a = 255, .r = 0, .g = 255, .b = 255}, // bright cyan
{.a = 255, .r = 255, .g = 255, .b = 0}, // bright yellow
{.a = 255, .r = 255, .g = 255, .b = 255} // bright white
};
uint8_t block[8 * 8 * 4];
/**
* The ZX has one bit per pixel, but can assign two colours to an 8x8 block. The
* two colours must both be 'regular' or 'bright'. Black exists as both regular
* and bright.
* The ZX has one bit per pixel, but can assign two colours to an 8x8 block. The two colours must
* both be 'regular' or 'bright'. Black exists as both regular and bright.
*/
val zx_quantize(std::string rawimage, int image_width, int image_height, float dithering) {
auto image_buffer = (const liq_color*)rawimage.c_str();
RawImage zx_quantize(std::string rawimage, int image_width, int image_height, float dithering) {
const uint8_t* image_buffer = (uint8_t*) rawimage.c_str();
int size = image_width * image_height;
liq_color block[8 * 8];
uint8_t image8bit[8 * 8];
std::vector<liq_color> result(size);
int bytes_per_pixel = 4;
result = (uint8_t*) malloc(size * bytes_per_pixel);
uint8_t* image8bit = (uint8_t*) malloc(8 * 8);
// For each 8x8 grid
for (int block_start_y = 0; block_start_y < image_height; block_start_y += 8) {
@ -91,8 +99,7 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
int block_width = 8;
int block_height = 8;
// If the block hangs off the right/bottom of the image dimensions, make
// it smaller to fit.
// If the block hangs off the right/bottom of the image dimensions, make it smaller to fit.
if (block_start_y + block_height > image_height) {
block_height = image_height - block_start_y;
}
@ -104,22 +111,26 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
// For each pixel in that block:
for (int y = block_start_y; y < block_start_y + block_height; y++) {
for (int x = block_start_x; x < block_start_x + block_width; x++) {
int pixel_start = (y * image_width) + x;
int pixel_start = (y * image_width * bytes_per_pixel) + (x * bytes_per_pixel);
int smallest_distance = INT_MAX;
int winning_index = -1;
// Copy pixel data for quantizing later
block[block_index++] = image_buffer[pixel_start];
block[block_index++] = image_buffer[pixel_start + 1];
block[block_index++] = image_buffer[pixel_start + 2];
block[block_index++] = image_buffer[pixel_start + 3];
// Which zx color is this pixel closest to?
for (int color_index = 0; color_index < 15; color_index++) {
liq_color color = zx_colors[color_index];
liq_color pixel = image_buffer[pixel_start];
// Using Euclidean distance. LibQuant has better methods, but it
// requires conversion to LAB, so I don't think it's worth it.
// Using Euclidean distance. LibQuant has better methods, but it requires conversion to
// LAB, so I don't think it's worth it.
int distance =
pow(color.r - pixel.r, 2) + pow(color.g - pixel.g, 2) + pow(color.b - pixel.b, 2);
pow(color.r - image_buffer[pixel_start + 0], 2) +
pow(color.g - image_buffer[pixel_start + 1], 2) +
pow(color.b - image_buffer[pixel_start + 2], 2);
if (distance < smallest_distance) {
winning_index = color_index;
@ -140,8 +151,7 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
for (int color_index = 0; color_index < 15; color_index++) {
if (color_popularity[color_index] > highest_popularity) {
// Store this as the most popular pixel, and demote the current
// values:
// Store this as the most popular pixel, and demote the current values:
third_color_index = second_color_index;
third_highest_popularity = second_highest_popularity;
second_color_index = first_color_index;
@ -159,8 +169,8 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
}
}
// ZX images can't mix bright and regular colours, except black which
// appears in both. Resolve any conflict:
// ZX images can't mix bright and regular colours, except black which appears in both.
// Resolve any conflict:
while (1) {
// If either colour is black, there's no conflict to resolve.
if (first_color_index != 0 && second_color_index != 0) {
@ -173,44 +183,63 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
}
}
// If, during conflict resolving, we now have two of the same colour
// (because we initially selected the bright & regular version of the
// same colour), retry again with the third most popular colour.
// If, during conflict resolving, we now have two of the same colour (because we initially
// selected the bright & regular version of the same colour), retry again with the third
// most popular colour.
if (first_color_index == second_color_index) {
second_color_index = third_color_index;
} else
break;
} else break;
}
// Quantize
liq_attr_ptr attr(liq_attr_create());
liq_image_ptr image(liq_image_create_rgba(attr.get(), block, block_width, block_height, 0));
liq_set_max_colors(attr.get(), 2);
liq_image_add_fixed_color(image.get(), zx_colors[first_color_index]);
liq_image_add_fixed_color(image.get(), zx_colors[second_color_index]);
auto res = liq_image_quantize(image.get(), attr.get());
liq_set_dithering_level(res.get(), dithering);
liq_write_remapped_image(res.get(), image.get(), image8bit, size);
auto pal = liq_get_palette(res.get());
attr = liq_attr_create();
image = liq_image_create_rgba(attr, block, block_width, block_height, 0);
liq_set_max_colors(attr, 2);
liq_image_add_fixed_color(image, zx_colors[first_color_index]);
liq_image_add_fixed_color(image, zx_colors[second_color_index]);
liq_image_quantize(image, attr, &res);
liq_set_dithering_level(res, dithering);
liq_write_remapped_image(res, image, image8bit, size);
const liq_palette *pal = liq_get_palette(res);
// Turn palletted image back into an RGBA image, and write it into the
// full size result image.
for (int y = 0; y < block_height; y++) {
for (int x = 0; x < block_width; x++) {
// Turn palletted image back into an RGBA image, and write it into the full size result image.
for(int y = 0; y < block_height; y++) {
for(int x = 0; x < block_width; x++) {
int image8BitPos = y * block_width + x;
int resultStartPos = ((block_start_y + y) * image_width) + (block_start_x + x);
result[resultStartPos] = pal->entries[image8bit[image8BitPos]];
int resultStartPos = ((block_start_y + y) * bytes_per_pixel * image_width) + ((block_start_x + x) * bytes_per_pixel);
result[resultStartPos + 0] = pal->entries[image8bit[image8BitPos]].r;
result[resultStartPos + 1] = pal->entries[image8bit[image8BitPos]].g;
result[resultStartPos + 2] = pal->entries[image8bit[image8BitPos]].b;
result[resultStartPos + 3] = pal->entries[image8bit[image8BitPos]].a;
}
}
liq_result_destroy(res);
liq_image_destroy(image);
liq_attr_destroy(attr);
}
}
return Uint8ClampedArray.new_(
typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
free(image8bit);
return {
val(typed_memory_view(image_width*image_height*4, result)),
image_width,
image_height
};
}
void free_result() {
free(result);
}
EMSCRIPTEN_BINDINGS(my_module) {
class_<RawImage>("RawImage")
.property("buffer", &RawImage::buffer)
.property("width", &RawImage::width)
.property("height", &RawImage::height);
function("quantize", &quantize);
function("zx_quantize", &zx_quantize);
function("version", &version);
function("free_result", &free_result);
}

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@ -1,6 +1,15 @@
interface RawImage {
buffer: Uint8Array;
width: number;
height: number;
}
interface QuantizerModule extends EmscriptenWasm.Module {
quantize(data: BufferSource, width: number, height: number, numColors: number, dither: number): Uint8ClampedArray;
zx_quantize(data: BufferSource, width: number, height: number, dither: number): Uint8ClampedArray;
quantize(data: BufferSource, width: number, height: number, numColors: number, dither: number): RawImage;
zx_quantize(data: BufferSource, width: number, height: number, dither: number): RawImage;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): QuantizerModule;

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@ -1,6 +1,13 @@
{
"name": "imagequant",
"scripts": {
"build": "../build-cpp.sh"
"install": "napa",
"build": "docker run --rm -v $(pwd):/src trzeci/emscripten ./build.sh"
},
"napa": {
"libimagequant": "ImageOptim/libimagequant#2.12.1"
},
"devDependencies": {
"napa": "3.0.0"
}
}

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@ -1,52 +0,0 @@
CODEC_URL := https://github.com/mozilla/mozjpeg/archive/v3.3.1.tar.gz
CODEC_DIR := node_modules/mozjpeg
CODEC_OUT_RELATIVE := .libs/libjpeg.a rdswitch.o
CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
OUT_JS := mozjpeg_enc.js
OUT_WASM := $(OUT_JS:.js=.wasm)
.PHONY: all clean
all: $(OUT_JS)
%.js: %.cpp $(CODEC_OUT)
$(CXX) \
-I $(CODEC_DIR) \
${CXXFLAGS} \
${LDFLAGS} \
--bind \
--closure 1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="$(basename $(@F))"' \
-o $@ \
$+
# This one is a bit special: there is no rule for .libs/libjpeg.a
# so we use libjpeg.la which implicitly builds that one instead.
$(CODEC_DIR)/.libs/libjpeg.a: $(CODEC_DIR)/Makefile
$(MAKE) -C $(CODEC_DIR) libjpeg.la
$(CODEC_DIR)/rdswitch.o: $(CODEC_DIR)/Makefile
$(MAKE) -C $(CODEC_DIR) rdswitch.o
$(CODEC_DIR)/Makefile: $(CODEC_DIR)/configure
cd $(CODEC_DIR) && ./configure \
--disable-shared \
--without-turbojpeg \
--without-simd \
--without-arith-enc \
--without-arith-dec
$(CODEC_DIR)/configure: $(CODEC_DIR)/configure.ac
cd $(CODEC_DIR) && autoreconf -iv
$(CODEC_DIR)/configure.ac: $(CODEC_DIR)
$(CODEC_DIR):
mkdir -p $@
curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
clean:
$(RM) $(OUT_JS) $(OUT_WASM)
$(MAKE) -C $(CODEC_DIR) clean

View File

@ -17,6 +17,10 @@ See `example.html`
Returns the version of MozJPEG as a number. va.b.c is encoded as 0x0a0b0c
### `void free_result()`
Frees the result created by `encode()`.
### `Uint8Array encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts)`
Encodes the given image with given dimension to JPEG. Options looks like this:

53
codecs/mozjpeg_enc/build.sh Executable file
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@ -0,0 +1,53 @@
#!/bin/bash
set -e
export OPTIMIZE="-Os"
export LDFLAGS="${OPTIMIZE}"
export CFLAGS="${OPTIMIZE}"
export CPPFLAGS="${OPTIMIZE}"
apt-get update
apt-get install -qqy autoconf libtool libpng-dev pkg-config
echo "============================================="
echo "Compiling mozjpeg"
echo "============================================="
(
cd node_modules/mozjpeg
autoreconf -fiv
emconfigure ./configure --without-simd
emmake make libjpeg.la
)
echo "============================================="
echo "Compiling mozjpeg done"
echo "============================================="
echo "============================================="
echo "Compiling wasm bindings"
echo "============================================="
(
emcc \
--bind \
${OPTIMIZE} \
-s WASM=1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="mozjpeg_enc"' \
-I node_modules/mozjpeg \
-o ./mozjpeg_enc.js \
-Wno-deprecated-register \
-Wno-writable-strings \
node_modules/mozjpeg/rdswitch.c \
-x c++ -std=c++11 \
mozjpeg_enc.cpp \
node_modules/mozjpeg/.libs/libjpeg.a
)
echo "============================================="
echo "Compiling wasm bindings done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull trzeci/emscripten\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

View File

@ -1,22 +1,18 @@
#include <emscripten/bind.h>
#include <emscripten/val.h>
#include <inttypes.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <stdio.h>
#include <setjmp.h>
#include <string.h>
#include "config.h"
#include "jpeglib.h"
extern "C" {
#include "cdjpeg.h"
}
using namespace emscripten;
// MozJPEG doesnt expose a numeric version, so I have to do some fun C macro
// hackery to turn it into a string. More details here:
// https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html
// MozJPEG doesnt expose a numeric version, so I have to do some fun C macro hackery to turn it
// into a string. More details here: https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html
#define xstr(s) str(s)
#define str(s) #s
@ -43,8 +39,8 @@ int version() {
char buffer[] = xstr(MOZJPEG_VERSION);
int version = 0;
int last_index = 0;
for (int i = 0; i < strlen(buffer); i++) {
if (buffer[i] == '.') {
for(int i = 0; i < strlen(buffer); i++) {
if(buffer[i] == '.') {
buffer[i] = '\0';
version = version << 8 | atoi(&buffer[last_index]);
buffer[i] = '.';
@ -55,16 +51,16 @@ int version() {
return version;
}
thread_local const val Uint8Array = val::global("Uint8Array");
uint8_t* last_result;
struct jpeg_compress_struct cinfo;
val encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts) {
uint8_t* image_buffer = (uint8_t*)image_in.c_str();
uint8_t* image_buffer = (uint8_t*) image_in.c_str();
// The code below is basically the `write_JPEG_file` function from
// https://github.com/mozilla/mozjpeg/blob/master/example.c
// I just write to memory instead of a file.
/* Step 1: allocate and initialize JPEG compression object */
/* This struct contains the JPEG compression parameters and pointers to
* working space (which is allocated as needed by the JPEG library).
@ -72,7 +68,6 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
* compression/decompression processes, in existence at once. We refer
* to any one struct (and its associated working data) as a "JPEG object".
*/
jpeg_compress_struct cinfo;
/* This struct represents a JPEG error handler. It is declared separately
* because applications often want to supply a specialized error handler
* (see the second half of this file for an example). But here we just
@ -81,7 +76,15 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
* Note that this struct must live as long as the main JPEG parameter
* struct, to avoid dangling-pointer problems.
*/
jpeg_error_mgr jerr;
struct jpeg_error_mgr jerr;
/* More stuff */
JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */
int row_stride; /* physical row width in image buffer */
uint8_t* output;
unsigned long size;
/* Step 1: allocate and initialize JPEG compression object */
/* We have to set up the error handler first, in case the initialization
* step fails. (Unlikely, but it could happen if you are out of memory.)
* This routine fills in the contents of struct jerr, and returns jerr's
@ -103,8 +106,6 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
// fprintf(stderr, "can't open %s\n", filename);
// exit(1);
// }
uint8_t* output = nullptr;
unsigned long size = 0;
jpeg_mem_dest(&cinfo, &output, &size);
/* Step 3: set parameters for compression */
@ -112,17 +113,17 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
/* First we supply a description of the input image.
* Four fields of the cinfo struct must be filled in:
*/
cinfo.image_width = image_width; /* image width and height, in pixels */
cinfo.image_width = image_width; /* image width and height, in pixels */
cinfo.image_height = image_height;
cinfo.input_components = 4; /* # of color components per pixel */
cinfo.in_color_space = JCS_EXT_RGBA; /* colorspace of input image */
cinfo.input_components = 4; /* # of color components per pixel */
cinfo.in_color_space = JCS_EXT_RGBA; /* colorspace of input image */
/* Now use the library's routine to set default compression parameters.
* (You must set at least cinfo.in_color_space before calling this,
* since the defaults depend on the source color space.)
*/
jpeg_set_defaults(&cinfo);
jpeg_set_colorspace(&cinfo, (J_COLOR_SPACE)opts.color_space);
jpeg_set_colorspace(&cinfo, (J_COLOR_SPACE) opts.color_space);
if (opts.quant_table != -1) {
jpeg_c_set_int_param(&cinfo, JINT_BASE_QUANT_TBL_IDX, opts.quant_table);
@ -142,17 +143,17 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
jpeg_c_set_bool_param(&cinfo, JBOOLEAN_TRELLIS_Q_OPT, opts.trellis_opt_table);
jpeg_c_set_int_param(&cinfo, JINT_TRELLIS_NUM_LOOPS, opts.trellis_loops);
// A little hacky to build a string for this, but it means we can use
// set_quality_ratings which does some useful heuristic stuff.
// A little hacky to build a string for this, but it means we can use set_quality_ratings which
// does some useful heuristic stuff.
std::string quality_str = std::to_string(opts.quality);
if (opts.separate_chroma_quality && opts.color_space == JCS_YCbCr) {
quality_str += "," + std::to_string(opts.chroma_quality);
}
char const* pqual = quality_str.c_str();
char const *pqual = quality_str.c_str();
set_quality_ratings(&cinfo, (char*)pqual, opts.baseline);
set_quality_ratings(&cinfo, (char*) pqual, opts.baseline);
if (!opts.auto_subsample && opts.color_space == JCS_YCbCr) {
cinfo.comp_info[0].h_samp_factor = opts.chroma_subsample;
@ -180,54 +181,54 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
* To keep things simple, we pass one scanline per call; you can pass
* more if you wish, though.
*/
int row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */
row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */
while (cinfo.next_scanline < cinfo.image_height) {
/* jpeg_write_scanlines expects an array of pointers to scanlines.
* Here the array is only one element long, but you could pass
* more than one scanline at a time if that's more convenient.
*/
JSAMPROW row_pointer =
&image_buffer[cinfo.next_scanline * row_stride]; /* pointer to JSAMPLE row[s] */
(void)jpeg_write_scanlines(&cinfo, &row_pointer, 1);
row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
(void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
}
/* Step 6: Finish compression */
jpeg_finish_compress(&cinfo);
/* Step 7: release JPEG compression object */
auto js_result = Uint8Array.new_(typed_memory_view(size, output));
/* This is an important step since it will release a good deal of memory. */
jpeg_destroy_compress(&cinfo);
free(output);
last_result = output;
/* And we're done! */
return js_result;
return val(typed_memory_view(size, output));
}
void free_result() {
/* This is an important step since it will release a good deal of memory. */
jpeg_destroy_compress(&cinfo);
}
EMSCRIPTEN_BINDINGS(my_module) {
value_object<MozJpegOptions>("MozJpegOptions")
.field("quality", &MozJpegOptions::quality)
.field("baseline", &MozJpegOptions::baseline)
.field("arithmetic", &MozJpegOptions::arithmetic)
.field("progressive", &MozJpegOptions::progressive)
.field("optimize_coding", &MozJpegOptions::optimize_coding)
.field("smoothing", &MozJpegOptions::smoothing)
.field("color_space", &MozJpegOptions::color_space)
.field("quant_table", &MozJpegOptions::quant_table)
.field("trellis_multipass", &MozJpegOptions::trellis_multipass)
.field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
.field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
.field("trellis_loops", &MozJpegOptions::trellis_loops)
.field("chroma_subsample", &MozJpegOptions::chroma_subsample)
.field("auto_subsample", &MozJpegOptions::auto_subsample)
.field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
.field("chroma_quality", &MozJpegOptions::chroma_quality);
.field("quality", &MozJpegOptions::quality)
.field("baseline", &MozJpegOptions::baseline)
.field("arithmetic", &MozJpegOptions::arithmetic)
.field("progressive", &MozJpegOptions::progressive)
.field("optimize_coding", &MozJpegOptions::optimize_coding)
.field("smoothing", &MozJpegOptions::smoothing)
.field("color_space", &MozJpegOptions::color_space)
.field("quant_table", &MozJpegOptions::quant_table)
.field("trellis_multipass", &MozJpegOptions::trellis_multipass)
.field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
.field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
.field("trellis_loops", &MozJpegOptions::trellis_loops)
.field("chroma_subsample", &MozJpegOptions::chroma_subsample)
.field("auto_subsample", &MozJpegOptions::auto_subsample)
.field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
.field("chroma_quality", &MozJpegOptions::chroma_quality)
;
function("version", &version);
function("encode", &encode);
function("free_result", &free_result);
}

View File

@ -2,6 +2,7 @@ import { EncodeOptions } from '../../src/codecs/mozjpeg/encoder-meta';
interface MozJPEGModule extends EmscriptenWasm.Module {
encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): MozJPEGModule;

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@ -1,6 +1,13 @@
{
"name": "mozjpeg_enc",
"scripts": {
"build": "../build-cpp.sh"
"install": "napa",
"build": "docker run --rm -v $(pwd):/src trzeci/emscripten ./build.sh"
},
"napa": {
"mozjpeg": "mozilla/mozjpeg#v3.3.1"
},
"devDependencies": {
"napa": "3.0.0"
}
}

2
codecs/optipng/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
build/
*.o

26
codecs/optipng/README.md Normal file
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@ -0,0 +1,26 @@
# OptiPNG
- Source: <http://optipng.sourceforge.net/>
- Version: v0.7.7
## Dependencies
- Docker
## Example
See `example.html`
## API
### `int version()`
Returns the version of optipng as a number. va.b.c is encoded as 0x0a0b0c
### `ArrayBuffer compress(std::string buffer, {level})`;
`compress` will re-compress the given PNG image via `buffer`. `level` is a number between 0 and 7.
### `void free_result()`
Frees the result created by `compress()`.

87
codecs/optipng/build.sh Executable file
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@ -0,0 +1,87 @@
#!/bin/bash
set -e
export OPTIMIZE="-Os"
export PREFIX="/src/build"
export CFLAGS="${OPTIMIZE} -I${PREFIX}/include/"
export CPPFLAGS="${OPTIMIZE} -I${PREFIX}/include/"
export LDFLAGS="${OPTIMIZE} -L${PREFIX}/lib/"
apt-get update
apt-get install -qqy autoconf libtool
echo "============================================="
echo "Compiling zlib"
echo "============================================="
test -n "$SKIP_ZLIB" || (
cd node_modules/zlib
emconfigure ./configure --prefix=${PREFIX}/
emmake make
emmake make install
)
echo "============================================="
echo "Compiling zlib done"
echo "============================================="
echo "============================================="
echo "Compiling libpng"
echo "============================================="
test -n "$SKIP_LIBPNG" || (
cd node_modules/libpng
autoreconf -i
emconfigure ./configure --with-zlib-prefix=${PREFIX}/ --prefix=${PREFIX}/
emmake make
emmake make install
)
echo "============================================="
echo "Compiling libpng done"
echo "============================================="
echo "============================================="
echo "Compiling optipng"
echo "============================================="
(
emcc \
${OPTIMIZE} \
-Wno-implicit-function-declaration \
-I ${PREFIX}/include \
-I node_modules/optipng/src/opngreduc \
-I node_modules/optipng/src/pngxtern \
-I node_modules/optipng/src/cexcept \
-I node_modules/optipng/src/gifread \
-I node_modules/optipng/src/pnmio \
-I node_modules/optipng/src/minitiff \
--std=c99 -c \
node_modules/optipng/src/opngreduc/*.c \
node_modules/optipng/src/pngxtern/*.c \
node_modules/optipng/src/gifread/*.c \
node_modules/optipng/src/minitiff/*.c \
node_modules/optipng/src/pnmio/*.c \
node_modules/optipng/src/optipng/*.c
emcc \
--bind \
${OPTIMIZE} \
-s ALLOW_MEMORY_GROWTH=1 -s MODULARIZE=1 -s 'EXPORT_NAME="optipng"' \
-I ${PREFIX}/include \
-I node_modules/optipng/src/opngreduc \
-I node_modules/optipng/src/pngxtern \
-I node_modules/optipng/src/cexcept \
-I node_modules/optipng/src/gifread \
-I node_modules/optipng/src/pnmio \
-I node_modules/optipng/src/minitiff \
-o "optipng.js" \
--std=c++11 \
optipng.cpp \
*.o \
${PREFIX}/lib/libz.so ${PREFIX}/lib/libpng.a
)
echo "============================================="
echo "Compiling optipng done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull trzeci/emscripten\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

View File

@ -0,0 +1,19 @@
<!doctype html>
<script src='optipng.js'></script>
<script>
const Module = optipng();
Module.onRuntimeInitialized = async _ => {
console.log('Version:', Module.version().toString(16));
const image = await fetch('../example_palette.png').then(r => r.arrayBuffer());
const newImage = Module.compress(image, {level: 3});
console.log('done');
Module.free_result();
console.log(`Old size: ${image.byteLength}, new size: ${newImage.byteLength} (${newImage.byteLength/image.byteLength*100}%)`);
const blobURL = URL.createObjectURL(new Blob([newImage], {type: 'image/png'}));
const img = document.createElement('img');
img.src = blobURL;
document.body.appendChild(img);
};
</script>

View File

@ -0,0 +1,53 @@
#include "emscripten/bind.h"
#include "emscripten/val.h"
#include <stdio.h>
using namespace emscripten;
extern "C" int main(int argc, char *argv[]);
int version() {
// FIXME (@surma): Havent found a version in optipng :(
return 0;
}
struct OptiPngOpts {
int level;
};
uint8_t* result;
val compress(std::string png, OptiPngOpts opts) {
remove("input.png");
remove("output.png");
FILE* infile = fopen("input.png", "wb");
fwrite(png.c_str(), png.length(), 1, infile);
fflush(infile);
fclose(infile);
char optlevel[8];
sprintf(&optlevel[0], "-o%d", opts.level);
char* args[] = {"optipng", optlevel, "-out", "output.png", "input.png"};
main(5, args);
FILE *outfile = fopen("output.png", "rb");
fseek(outfile, 0, SEEK_END);
int fsize = ftell(outfile);
result = (uint8_t*) malloc(fsize);
fseek(outfile, 0, SEEK_SET);
fread(result, fsize, 1, outfile);
return val(typed_memory_view(fsize, result));
}
void free_result() {
free(result);
}
EMSCRIPTEN_BINDINGS(my_module) {
value_object<OptiPngOpts>("OptiPngOpts")
.field("level", &OptiPngOpts::level);
function("version", &version);
function("compress", &compress);
function("free_result", &free_result);
}

10
codecs/optipng/optipng.d.ts vendored Normal file
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@ -0,0 +1,10 @@
import {EncodeOptions} from "src/codecs/optipng/encoder";
export interface OptiPngModule extends EmscriptenWasm.Module {
compress(data: BufferSource, opts: EncodeOptions): Uint8Array;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): OptiPngModule;

24
codecs/optipng/optipng.js Normal file

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codecs/optipng/optipng.wasm Normal file

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codecs/optipng/package-lock.json generated Normal file

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@ -0,0 +1,22 @@
{
"name": "optipng",
"scripts": {
"install": "tar-dependency install && napa",
"build": "npm run build:wasm",
"build:wasm": "docker run --rm -v $(pwd):/src -e SKIP_ZLIB=\"${SKIP_ZLIB}\" -e SKIP_LIBPNG=\"${SKIP_LIBPNG}\" trzeci/emscripten ./build.sh"
},
"tarDependencies": {
"node_modules/optipng": {
"url": "https://netcologne.dl.sourceforge.net/project/optipng/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz",
"strip": 1
}
},
"napa": {
"libpng": "emscripten-ports/libpng",
"zlib": "emscripten-ports/zlib"
},
"dependencies": {
"napa": "3.0.0",
"tar-dependency": "0.0.3"
}
}

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@ -1 +0,0 @@
/target

496
codecs/oxipng/Cargo.lock generated
View File

@ -1,496 +0,0 @@
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# It is not intended for manual editing.
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name = "wasm-bindgen-shared"
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View File

@ -1,18 +0,0 @@
[package]
name = "squoosh-oxipng"
version = "0.1.0"
authors = ["Ingvar Stepanyan <me@rreverser.com>"]
edition = "2018"
publish = false
[lib]
crate-type = ["cdylib"]
[dependencies]
oxipng = { version = "3.0.0", default-features = false }
wasm-bindgen = "0.2.64"
log = { version = "0.4", features = ["release_max_level_off"] }
[profile.release]
lto = true
opt-level = "s"

View File

@ -1,12 +0,0 @@
FROM rust
RUN rustup target add wasm32-unknown-unknown
RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
RUN mkdir /opt/wabt && \
curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.17/wabt-1.0.17-ubuntu.tar.gz | tar -xzf - -C /opt/wabt --strip 1
RUN mkdir /opt/wasi-sdk && \
curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-11/wasi-sdk-11.0-linux.tar.gz | tar -xzf - -C /opt/wasi-sdk --strip 1
ENV PATH="/opt/wabt/bin:/opt/wasi-sdk/bin:${PATH}"
WORKDIR /src

View File

@ -1,4 +0,0 @@
{
"name": "oxipng",
"lockfileVersion": 1
}

View File

@ -1,6 +0,0 @@
{
"name": "oxipng",
"scripts": {
"build": "../build-rust.sh"
}
}

View File

@ -1,15 +0,0 @@
{
"name": "squoosh-oxipng",
"collaborators": [
"Ingvar Stepanyan <me@rreverser.com>"
],
"version": "0.1.0",
"files": [
"squoosh_oxipng_bg.wasm",
"squoosh_oxipng.js",
"squoosh_oxipng.d.ts"
],
"module": "squoosh_oxipng.js",
"types": "squoosh_oxipng.d.ts",
"sideEffects": false
}

View File

@ -1,8 +0,0 @@
/* tslint:disable */
/* eslint-disable */
/**
* @param {Uint8Array} data
* @param {number} level
* @returns {Uint8Array}
*/
export function optimise(data: Uint8Array, level: number): Uint8Array;

View File

@ -1,2 +0,0 @@
import * as wasm from "./squoosh_oxipng_bg.wasm";
export * from "./squoosh_oxipng_bg.js";

View File

@ -1,8 +0,0 @@
/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export function optimise(a: number, b: number, c: number, d: number): void;
export function malloc(a: number): number;
export function free(a: number): void;
export function __wbindgen_malloc(a: number): number;
export function __wbindgen_free(a: number, b: number): void;

View File

@ -1,60 +0,0 @@
import * as wasm from './squoosh_oxipng_bg.wasm';
const lTextDecoder = typeof TextDecoder === 'undefined' ? (0, module.require)('util').TextDecoder : TextDecoder;
let cachedTextDecoder = new lTextDecoder('utf-8', { ignoreBOM: true, fatal: true });
cachedTextDecoder.decode();
let cachegetUint8Memory0 = null;
function getUint8Memory0() {
if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
}
return cachegetUint8Memory0;
}
function getStringFromWasm0(ptr, len) {
return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
}
let WASM_VECTOR_LEN = 0;
function passArray8ToWasm0(arg, malloc) {
const ptr = malloc(arg.length * 1);
getUint8Memory0().set(arg, ptr / 1);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
let cachegetInt32Memory0 = null;
function getInt32Memory0() {
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
}
return cachegetInt32Memory0;
}
function getArrayU8FromWasm0(ptr, len) {
return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
* @param {Uint8Array} data
* @param {number} level
* @returns {Uint8Array}
*/
export function optimise(data, level) {
var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
var len0 = WASM_VECTOR_LEN;
wasm.optimise(8, ptr0, len0, level);
var r0 = getInt32Memory0()[8 / 4 + 0];
var r1 = getInt32Memory0()[8 / 4 + 1];
var v1 = getArrayU8FromWasm0(r0, r1).slice();
wasm.__wbindgen_free(r0, r1 * 1);
return v1;
}
export const __wbindgen_throw = function(arg0, arg1) {
throw new Error(getStringFromWasm0(arg0, arg1));
};

View File

@ -1,18 +0,0 @@
mod malloc_shim;
use wasm_bindgen::prelude::*;
use oxipng::AlphaOptim;
#[wasm_bindgen(catch)]
pub fn optimise(data: &[u8], level: u8) -> Vec<u8> {
let mut options = oxipng::Options::from_preset(level);
options.alphas.insert(AlphaOptim::Black);
options.alphas.insert(AlphaOptim::White);
options.alphas.insert(AlphaOptim::Up);
options.alphas.insert(AlphaOptim::Down);
options.alphas.insert(AlphaOptim::Left);
options.alphas.insert(AlphaOptim::Right);
options.deflate = oxipng::Deflaters::Libdeflater;
oxipng::optimize_from_memory(data, &options).unwrap_throw()
}

View File

@ -1,47 +0,0 @@
//! This is a module that provides `malloc` and `free` for `libdeflate`.
//! These implementations are compatible with the standard signatures
//! but use Rust allocator instead of including libc one as well.
//!
//! Rust allocator APIs requires passing size and alignment to the
//! `dealloc` function. This is different from C API, which only
//! expects a pointer in `free` and expects allocators to take care of
//! storing any necessary information elsewhere.
//!
//! In order to simulate C API, we allocate a `size_and_data_ptr`
//! of size `sizeof(usize) + size` where `size` is the requested number
//! of bytes. Then, we store `size` at the beginning of the allocated
//! chunk (within those `sizeof(usize)` bytes) and return
//! `data_ptr = size_and_data_ptr + sizeof(usize)` to the calleer:
//!
//! [`size`][...actual data]
//! -^------------------ `size_and_data_ptr`
//! ---------^---------- `data_ptr`
//!
//! Then, in `free`, the caller gives us `data_ptr`. We can subtract
//! `sizeof(usize)` back and get the original `size_and_data_ptr`.
//! At this point we can read `size` back and call the Rust `dealloc`
//! for the whole allocated chunk.
//!
//! I've raised an upstream issue to hopefully make this easier in
//! future: https://github.com/ebiggers/libdeflate/issues/62
use std::alloc::*;
use std::mem::{align_of, size_of};
unsafe fn layout_for(size: usize) -> Layout {
Layout::from_size_align_unchecked(size_of::<usize>() + size, align_of::<usize>())
}
#[no_mangle]
pub unsafe extern "C" fn malloc(size: usize) -> *mut u8 {
let size_and_data_ptr = alloc(layout_for(size));
*(size_and_data_ptr as *mut usize) = size;
size_and_data_ptr.add(size_of::<usize>())
}
#[no_mangle]
pub unsafe extern "C" fn free(data_ptr: *mut u8) {
let size_and_data_ptr = data_ptr.sub(size_of::<usize>());
let size = *(size_and_data_ptr as *const usize);
dealloc(size_and_data_ptr, layout_for(size))
}

View File

@ -1,4 +0,0 @@
{
"name": "codecs",
"version": "0.0.0"
}

View File

@ -1,5 +0,0 @@
**/*.rs.bk
target
bin/
pkg/README.md
lut.inc

284
codecs/resize/Cargo.lock generated
View File

@ -1,284 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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name = "bumpalo"
version = "3.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "cfg-if"
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[[package]]
name = "console_error_panic_hook"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b8d976903543e0c48546a91908f21588a680a8c8f984df9a5d69feccb2b2a211"
dependencies = [
"cfg-if",
"wasm-bindgen",
]
[[package]]
name = "futures"
version = "0.1.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b980f2816d6ee8673b6517b52cb0e808a180efc92e5c19d02cdda79066703ef"
[[package]]
name = "js-sys"
version = "0.3.41"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"wasm-bindgen",
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name = "lazy_static"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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dependencies = [
"cfg-if",
"console_error_panic_hook",
"resize",
"wasm-bindgen",
"wasm-bindgen-test",
"wee_alloc",
]
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name = "syn"
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"quote 1.0.7",
"unicode-xid 0.2.1",
]
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"wasm-bindgen-shared",
]
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"console_error_panic_hook",
"futures",
"js-sys",
"scoped-tls",
"wasm-bindgen",
"wasm-bindgen-futures",
"wasm-bindgen-test-macro",
]
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name = "wasm-bindgen-test-macro"
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"quote 0.6.13",
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name = "wee_alloc"
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checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
dependencies = [
"cfg-if",
"libc",
"memory_units",
"winapi",
]
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name = "winapi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
dependencies = [
"winapi-i686-pc-windows-gnu",
"winapi-x86_64-pc-windows-gnu",
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name = "winapi-i686-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

View File

@ -1,38 +0,0 @@
[package]
name = "squoosh-resize"
version = "0.1.0"
authors = ["Surma <surma@surma.link>"]
publish = false
[lib]
#crate-type = ["cdylib", "rlib"]
crate-type = ["cdylib"]
[features]
default = ["console_error_panic_hook", "wee_alloc"]
[dependencies]
cfg-if = "0.1.2"
wasm-bindgen = "0.2.38"
resize = "0.3.0"
# The `console_error_panic_hook` crate provides better debugging of panics by
# logging them with `console.error`. This is great for development, but requires
# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
# code size when deploying.
console_error_panic_hook = { version = "0.1.1", optional = true }
# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
# compared to the default allocator's ~10K. It is slower than the default
# allocator, however.
#
# Unfortunately, `wee_alloc` requires nightly Rust when targeting wasm for now.
wee_alloc = { version = "0.4.2", optional = true }
[dev-dependencies]
wasm-bindgen-test = "0.2"
[profile.release]
# Tell `rustc` to optimize for small code size.
opt-level = "s"
lto = true

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@ -1,23 +0,0 @@
include!("./src/srgb.rs");
use std::io::Write;
fn main() -> std::io::Result<()> {
let mut srgb_to_linear_lut = String::from("static SRGB_TO_LINEAR_LUT: [f32; 256] = [");
let mut linear_to_srgb_lut = String::from("static LINEAR_TO_SRGB_LUT: [f32; 256] = [");
for i in 0..256 {
srgb_to_linear_lut.push_str(&format!("{0:.7}", srgb_to_linear((i as f32) / 255.0)));
srgb_to_linear_lut.push_str(",");
linear_to_srgb_lut.push_str(&format!("{0:.7}", linear_to_srgb((i as f32) / 255.0)));
linear_to_srgb_lut.push_str(",");
}
srgb_to_linear_lut.pop().unwrap();
linear_to_srgb_lut.pop().unwrap();
srgb_to_linear_lut.push_str("];");
linear_to_srgb_lut.push_str("];");
let mut file = std::fs::File::create("src/lut.inc")?;
file.write_all(srgb_to_linear_lut.as_bytes())?;
file.write_all(linear_to_srgb_lut.as_bytes())?;
Ok(())
}

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@ -1,4 +0,0 @@
{
"name": "resize",
"lockfileVersion": 1
}

View File

@ -1,6 +0,0 @@
{
"name": "resize",
"scripts": {
"build": "../build-rust.sh"
}
}

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@ -1,15 +0,0 @@
{
"name": "squoosh-resize",
"collaborators": [
"Surma <surma@surma.link>"
],
"version": "0.1.0",
"files": [
"squoosh_resize_bg.wasm",
"squoosh_resize.js",
"squoosh_resize.d.ts"
],
"module": "squoosh_resize.js",
"types": "squoosh_resize.d.ts",
"sideEffects": false
}

View File

@ -1,14 +0,0 @@
/* tslint:disable */
/* eslint-disable */
/**
* @param {Uint8Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} output_width
* @param {number} output_height
* @param {number} typ_idx
* @param {boolean} premultiply
* @param {boolean} color_space_conversion
* @returns {Uint8Array}
*/
export function resize(input_image: Uint8Array, input_width: number, input_height: number, output_width: number, output_height: number, typ_idx: number, premultiply: boolean, color_space_conversion: boolean): Uint8Array;

View File

@ -1,2 +0,0 @@
import * as wasm from "./squoosh_resize_bg.wasm";
export * from "./squoosh_resize_bg.js";

View File

@ -1,6 +0,0 @@
/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export function resize(a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number): void;
export function __wbindgen_malloc(a: number): number;
export function __wbindgen_free(a: number, b: number): void;

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@ -1,52 +0,0 @@
import * as wasm from './squoosh_resize_bg.wasm';
let cachegetUint8Memory0 = null;
function getUint8Memory0() {
if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
}
return cachegetUint8Memory0;
}
let WASM_VECTOR_LEN = 0;
function passArray8ToWasm0(arg, malloc) {
const ptr = malloc(arg.length * 1);
getUint8Memory0().set(arg, ptr / 1);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
let cachegetInt32Memory0 = null;
function getInt32Memory0() {
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
}
return cachegetInt32Memory0;
}
function getArrayU8FromWasm0(ptr, len) {
return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
* @param {Uint8Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} output_width
* @param {number} output_height
* @param {number} typ_idx
* @param {boolean} premultiply
* @param {boolean} color_space_conversion
* @returns {Uint8Array}
*/
export function resize(input_image, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion) {
var ptr0 = passArray8ToWasm0(input_image, wasm.__wbindgen_malloc);
var len0 = WASM_VECTOR_LEN;
wasm.resize(8, ptr0, len0, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion);
var r0 = getInt32Memory0()[8 / 4 + 0];
var r1 = getInt32Memory0()[8 / 4 + 1];
var v1 = getArrayU8FromWasm0(r0, r1).slice();
wasm.__wbindgen_free(r0, r1 * 1);
return v1;
}

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@ -1,121 +0,0 @@
extern crate cfg_if;
extern crate resize;
extern crate wasm_bindgen;
mod utils;
use cfg_if::cfg_if;
use resize::Pixel::RGBA;
use resize::Type;
use wasm_bindgen::prelude::*;
mod srgb;
use srgb::Clamp;
cfg_if! {
// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
// allocator.
if #[cfg(feature = "wee_alloc")] {
extern crate wee_alloc;
#[global_allocator]
static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
}
}
include!("./lut.inc");
// If `with_space_conversion` is true, this function returns 2 functions that
// convert from sRGB to linear RGB and vice versa. If `with_space_conversion` is
// false, the 2 functions returned do nothing.
fn converter_funcs(with_space_conversion: bool) -> ((fn(u8) -> f32), (fn(f32) -> u8)) {
if with_space_conversion {
(
|v| SRGB_TO_LINEAR_LUT[v as usize] * 255.0,
|v| (LINEAR_TO_SRGB_LUT[v as usize] * 255.0) as u8,
)
} else {
(|v| v as f32, |v| v as u8)
}
}
// If `with_alpha_premultiplication` is true, this function returns a function
// that premultiply the alpha channel with the given channel value and another
// function that reverses that process. If `with_alpha_premultiplication` is
// false, the functions just return the channel value.
fn alpha_multiplier_funcs(
with_alpha_premultiplication: bool,
) -> ((fn(f32, u8) -> u8), (fn(u8, u8) -> f32)) {
if with_alpha_premultiplication {
(
|v, a| (v * (a as f32) / 255.0) as u8,
|v, a| ((v as f32) * 255.0 / (a as f32)).clamp(0.0, 255.0),
)
} else {
(|v, _a| v as u8, |v, _a| v as f32)
}
}
#[wasm_bindgen]
#[no_mangle]
pub fn resize(
mut input_image: Vec<u8>,
input_width: usize,
input_height: usize,
output_width: usize,
output_height: usize,
typ_idx: usize,
premultiply: bool,
color_space_conversion: bool,
) -> Vec<u8> {
let typ = match typ_idx {
0 => Type::Triangle,
1 => Type::Catrom,
2 => Type::Mitchell,
3 => Type::Lanczos3,
_ => panic!("Nope"),
};
let num_input_pixels = input_width * input_height;
let num_output_pixels = output_width * output_height;
let (to_linear, to_color_space) = converter_funcs(color_space_conversion);
let (premultiplier, demultiplier) = alpha_multiplier_funcs(premultiply);
// If both options are false, there is no preprocessing on the pixel valus
// and we can skip the loop.
if premultiply || color_space_conversion {
for i in 0..num_input_pixels {
for j in 0..3 {
input_image[4 * i + j] =
premultiplier(to_linear(input_image[4 * i + j]), input_image[4 * i + 3]);
}
}
}
let mut resizer = resize::new(
input_width,
input_height,
output_width,
output_height,
RGBA,
typ,
);
let mut output_image = Vec::<u8>::with_capacity(num_output_pixels * 4);
output_image.resize(num_output_pixels * 4, 0);
resizer.resize(input_image.as_slice(), output_image.as_mut_slice());
if premultiply || color_space_conversion {
for i in 0..num_output_pixels {
for j in 0..3 {
// We dont need to worry about division by zero, as division by zero
// is well-defined on floats to return ±Inf. ±Inf is converted to 0
// when casting to integers.
output_image[4 * i + j] = to_color_space(demultiplier(
output_image[4 * i + j],
output_image[4 * i + 3],
));
}
}
}
return output_image;
}

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@ -1,29 +0,0 @@
pub trait Clamp: std::cmp::PartialOrd + Sized {
fn clamp(self, min: Self, max: Self) -> Self {
if self.lt(&min) {
min
} else if self.gt(&max) {
max
} else {
self
}
}
}
impl Clamp for f32 {}
pub fn srgb_to_linear(v: f32) -> f32 {
if v < 0.04045 {
v / 12.92
} else {
((v + 0.055) / 1.055).powf(2.4).clamp(0.0, 1.0)
}
}
pub fn linear_to_srgb(v: f32) -> f32 {
if v < 0.0031308 {
v * 12.92
} else {
(1.055 * v.powf(1.0 / 2.4) - 0.055).clamp(0.0, 1.0)
}
}

View File

@ -1,17 +0,0 @@
use cfg_if::cfg_if;
cfg_if! {
// When the `console_error_panic_hook` feature is enabled, we can call the
// `set_panic_hook` function at least once during initialization, and then
// we will get better error messages if our code ever panics.
//
// For more details see
// https://github.com/rustwasm/console_error_panic_hook#readme
if #[cfg(feature = "console_error_panic_hook")] {
extern crate console_error_panic_hook;
pub use self::console_error_panic_hook::set_once as set_panic_hook;
} else {
#[inline]
pub fn set_panic_hook() {}
}
}

View File

@ -1 +0,0 @@
target

View File

@ -1,6 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "squoosh-rotate"
version = "0.1.0"

View File

@ -1,15 +0,0 @@
[package]
name = "squoosh-rotate"
version = "0.1.0"
authors = ["Surma <surma@google.com>"]
edition = "2018"
publish = false
[lib]
name = "rotate"
path = "rotate.rs"
crate-type = ["cdylib", "rlib"]
[profile.release]
lto = true
opt-level = "s"

View File

@ -1,8 +0,0 @@
FROM rust
RUN rustup target add wasm32-unknown-unknown
RUN mkdir /opt/wabt && \
curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.11/wabt-1.0.11-linux.tar.gz | tar -xzf - -C /opt/wabt --strip 1
ENV PATH="/opt/wabt:${PATH}"
WORKDIR /src

View File

@ -1,45 +0,0 @@
// THIS IS NOT A NODE SCRIPT
// This is a d8 script. Please install jsvu[1] and install v8.
// Then run `npm run --silent benchmark`.
// [1]: https://github.com/GoogleChromeLabs/jsvu
async function init() {
// Adjustable constants.
const imageDimensions = 4096;
const iterations = new Array(100);
// Constants. Dont change.
const imageByteSize = imageDimensions * imageDimensions * 4;
const wasmPageSize = 64 * 1024;
const buffer = readbuffer("rotate.wasm");
const { instance } = await WebAssembly.instantiate(buffer);
const pagesAvailable = Math.floor(
instance.exports.memory.buffer.byteLength / wasmPageSize
);
const pagesNeeded = Math.floor((imageByteSize * 2 + 4) / wasmPageSize) + 1;
const additionalPagesNeeded = pagesNeeded - pagesAvailable;
if (additionalPagesNeeded > 0) {
instance.exports.memory.grow(additionalPagesNeeded);
}
[0, 90, 180, 270].forEach(rotation => {
print(`\n${rotation} degrees`);
print(`==============================`);
for (let i = 0; i < 100; i++) {
const start = Date.now();
instance.exports.rotate(imageDimensions, imageDimensions, rotation);
iterations[i] = Date.now() - start;
}
const average = iterations.reduce((sum, c) => sum + c) / iterations.length;
const stddev = Math.sqrt(
iterations
.map(i => Math.pow(i - average, 2))
.reduce((sum, c) => sum + c) / iterations.length
);
print(`n = ${iterations.length}`);
print(`Average: ${average}`);
print(`StdDev: ${stddev}`);
});
}
init().catch(e => console.error(e.stack));

View File

@ -1,8 +0,0 @@
#!/bin/sh
set -e
cargo build \
--target wasm32-unknown-unknown \
--release
wasm-opt -Os --strip target/wasm32-unknown-unknown/release/rotate.wasm -o rotate.wasm

124
codecs/rotate/package-lock.json generated Normal file
View File

@ -0,0 +1,124 @@
{
"name": "rotate",
"requires": true,
"lockfileVersion": 1,
"dependencies": {
"@protobufjs/utf8": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
"integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=",
"dev": true
},
"assemblyscript": {
"version": "github:AssemblyScript/assemblyscript#54b02c287c4d42092e4b01cc5d11bce1a53e9fb2",
"from": "github:AssemblyScript/assemblyscript",
"dev": true,
"requires": {
"@protobufjs/utf8": "^1.1.0",
"binaryen": "63.0.0-nightly.20190107",
"glob": "^7.1.3",
"long": "^4.0.0"
}
},
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@ -1,10 +1,9 @@
{
"name": "rotate",
"scripts": {
"build": "../build-rust.sh ./build.sh",
"benchmark": "echo File size after gzip && npm run benchmark:filesize && echo Optimizing && npm run -s benchmark:optimizing",
"benchmark:baseline": "v8 --liftoff --no-wasm-tier-up --no-opt ./benchmark.js",
"benchmark:optimizing": "v8 --no-liftoff --no-wasm-tier-up ./benchmark.js",
"benchmark:filesize": "cat rotate.wasm | gzip -c9n | wc -c"
"build": "mv rotate.{as,ts} && asc rotate.ts -b rotate.wasm --validate -O3 --importMemory && mv rotate.{ts,as}"
},
"devDependencies": {
"assemblyscript": "github:AssemblyScript/assemblyscript"
}
}

64
codecs/rotate/rotate.as Normal file
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@ -0,0 +1,64 @@
export function rotate(inputWidth: i32, inputHeight: i32, rotate: i32): void {
const bpp = 4;
let offset = inputWidth * inputHeight * bpp;
let i = 0;
// In the straight-copy case, d1 is x, d2 is y.
// x starts at 0 and increases.
// y starts at 0 and increases.
let d1Start = 0;
let d1Limit = inputWidth;
let d1Advance = 1;
let d1Multiplier = 1;
let d2Start = 0;
let d2Limit = inputHeight;
let d2Advance = 1;
let d2Multiplier = inputWidth;
if (rotate === 90) {
// d1 is y, d2 is x.
// y starts at its max value and decreases.
// x starts at 0 and increases.
d1Start = inputHeight - 1;
d1Limit = inputHeight;
d1Advance = -1;
d1Multiplier = inputWidth;
d2Start = 0;
d2Limit = inputWidth;
d2Advance = 1;
d2Multiplier = 1;
} else if (rotate === 180) {
// d1 is x, d2 is y.
// x starts at its max and decreases.
// y starts at its max and decreases.
d1Start = inputWidth - 1;
d1Limit = inputWidth;
d1Advance = -1;
d1Multiplier = 1;
d2Start = inputHeight - 1;
d2Limit = inputHeight;
d2Advance = -1;
d2Multiplier = inputWidth;
} else if (rotate === 270) {
// d1 is y, d2 is x.
// y starts at 0 and increases.
// x starts at its max and decreases.
d1Start = 0;
d1Limit = inputHeight;
d1Advance = 1;
d1Multiplier = inputWidth;
d2Start = inputWidth - 1;
d2Limit = inputWidth;
d2Advance = -1;
d2Multiplier = 1;
}
for (let d2 = d2Start; d2 >= 0 && d2 < d2Limit; d2 += d2Advance) {
let d2offset = d2 * d2Multiplier;
for (let d1 = d1Start; d1 >= 0 && d1 < d1Limit; d1 += d1Advance) {
let start = ((d1 * d1Multiplier) + d2offset);
store<u32>(offset + i * 4, load<u32>(start * 4));
i += 1;
}
}
}

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@ -1,113 +0,0 @@
use std::slice::{from_raw_parts, from_raw_parts_mut};
// This function is taken from Zachary Dremann
// https://github.com/GoogleChromeLabs/squoosh/pull/462
trait HardUnwrap<T> {
fn unwrap_hard(self) -> T;
}
impl<T> HardUnwrap<T> for Option<T> {
#[cfg(not(debug_assertions))]
#[inline]
fn unwrap_hard(self) -> T {
match self {
Some(t) => t,
None => std::process::abort(),
}
}
#[cfg(debug_assertions)]
fn unwrap_hard(self) -> T {
self.unwrap()
}
}
const TILE_SIZE: usize = 16;
fn get_buffers<'a>(width: usize, height: usize) -> (&'a [u32], &'a mut [u32]) {
let num_pixels = width * height;
let in_b: &[u32];
let out_b: &mut [u32];
unsafe {
in_b = from_raw_parts::<u32>(8 as *const u32, num_pixels);
out_b = from_raw_parts_mut::<u32>((num_pixels * 4 + 8) as *mut u32, num_pixels);
}
return (in_b, out_b);
}
#[inline(never)]
fn rotate_0(width: usize, height: usize) {
let (in_b, out_b) = get_buffers(width, height);
for (in_p, out_p) in in_b.iter().zip(out_b.iter_mut()) {
*out_p = *in_p;
}
}
#[inline(never)]
fn rotate_90(width: usize, height: usize) {
let (in_b, out_b) = get_buffers(width, height);
let new_width = height;
let _new_height = width;
for y_start in (0..height).step_by(TILE_SIZE) {
for x_start in (0..width).step_by(TILE_SIZE) {
for y in y_start..(y_start + TILE_SIZE).min(height) {
let in_offset = y * width;
let in_bounds = if x_start + TILE_SIZE < width {
(in_offset + x_start)..(in_offset + x_start + TILE_SIZE)
} else {
(in_offset + x_start)..(in_offset + width)
};
let in_chunk = in_b.get(in_bounds).unwrap_hard();
for (x, in_p) in in_chunk.iter().enumerate() {
let new_x = (new_width - 1) - y;
let new_y = x + x_start;
*out_b.get_mut(new_y * new_width + new_x).unwrap_hard() = *in_p;
}
}
}
}
}
#[inline(never)]
fn rotate_180(width: usize, height: usize) {
let (in_b, out_b) = get_buffers(width, height);
for (in_p, out_p) in in_b.iter().zip(out_b.iter_mut().rev()) {
*out_p = *in_p;
}
}
#[inline(never)]
fn rotate_270(width: usize, height: usize) {
let (in_b, out_b) = get_buffers(width, height);
let new_width = height;
let new_height = width;
for y_start in (0..height).step_by(TILE_SIZE) {
for x_start in (0..width).step_by(TILE_SIZE) {
for y in y_start..(y_start + TILE_SIZE).min(height) {
let in_offset = y * width;
let in_bounds = if x_start + TILE_SIZE < width {
(in_offset + x_start)..(in_offset + x_start + TILE_SIZE)
} else {
(in_offset + x_start)..(in_offset + width)
};
let in_chunk = in_b.get(in_bounds).unwrap_hard();
for (x, in_p) in in_chunk.iter().enumerate() {
let new_x = y;
let new_y = new_height - 1 - (x_start + x);
*out_b.get_mut(new_y * new_width + new_x).unwrap_hard() = *in_p;
}
}
}
}
}
#[no_mangle]
fn rotate(width: usize, height: usize, rotate: usize) {
match rotate {
0 => rotate_0(width, height),
90 => rotate_90(width, height),
180 => rotate_180(width, height),
270 => rotate_270(width, height),
_ => std::process::abort(),
}
}

BIN
codecs/rotate/rotate.wasm Executable file → Normal file

Binary file not shown.

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@ -0,0 +1,6 @@
{
"extends": "./node_modules/assemblyscript/std/assembly.json",
"include": [
"./**/*.ts"
]
}

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@ -1,15 +0,0 @@
FROM emscripten/emsdk:1.39.19 AS wasm-tools
WORKDIR /opt/wasm-tools
RUN wget -qO- https://github.com/rustwasm/wasm-pack/releases/download/v0.9.1/wasm-pack-v0.9.1-x86_64-unknown-linux-musl.tar.gz | tar -xzf - --strip 1
FROM rust:1.44-stretch AS rust
RUN rustup target add wasm32-unknown-unknown
COPY --from=wasm-tools /emsdk/upstream/bin/wasm-opt /emsdk/upstream/bin/clang /usr/local/bin/
COPY --from=wasm-tools /emsdk/upstream/lib/ /usr/local/lib/
COPY --from=wasm-tools /emsdk/upstream/emscripten/system/include/libc/ /wasm32/include/
COPY --from=wasm-tools /emsdk/upstream/emscripten/system/lib/libc/musl/arch/emscripten/bits/ /wasm32/include/bits/
COPY --from=wasm-tools /opt/wasm-tools/wasm-pack /usr/local/cargo/bin/
ENV CPATH="/wasm32/include"
WORKDIR /src
CMD ["sh", "-c", "rm -rf pkg && wasm-pack build -- --verbose --locked && rm pkg/.gitignore"]

View File

@ -1,56 +0,0 @@
CODEC_URL := https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-1.0.2.tar.gz
CODEC_DIR = node_modules/libwebp
CODEC_OUT_RELATIVE = src/.libs/libwebp.a
CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
OUT_JS = enc/webp_enc.js dec/webp_dec.js
OUT_WASM = $(OUT_JS:.js=.wasm)
.PHONY: all clean
all: $(OUT_JS)
%.js: %.cpp $(CODEC_OUT)
$(CXX) \
-I $(CODEC_DIR) \
${CXXFLAGS} \
${LDFLAGS} \
--bind \
--closure 1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="$(basename $(@F))"' \
-o $@ \
$+
$(CODEC_OUT): $(CODEC_DIR)/src/Makefile
$(MAKE) -C $(CODEC_DIR)/src
$(CODEC_DIR)/src/Makefile: $(CODEC_DIR)/configure
cd $(CODEC_DIR) && ./configure \
--disable-shared \
--disable-libwebpdemux \
--disable-wic \
--disable-gif \
--disable-tiff \
--disable-jpeg \
--disable-png \
--disable-sdl \
--disable-gl \
--disable-threading \
--disable-neon-rtcd \
--disable-neon \
--disable-sse2 \
--disable-sse4.1
$(CODEC_DIR)/configure: $(CODEC_DIR)/configure.ac
cd $(CODEC_DIR) && autoreconf -iv
$(CODEC_DIR)/configure.ac: $(CODEC_DIR)
$(CODEC_DIR):
mkdir -p $@
curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
clean:
$(RM) $(OUT_JS) $(OUT_WASM)
$(MAKE) -C $(CODEC_DIR) clean

View File

@ -1,26 +0,0 @@
#include <string>
#include "emscripten/bind.h"
#include "emscripten/val.h"
#include "src/webp/decode.h"
#include "src/webp/demux.h"
using namespace emscripten;
int version() {
return WebPGetDecoderVersion();
}
thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
thread_local const val ImageData = val::global("ImageData");
val decode(std::string buffer) {
int width, height;
std::unique_ptr<uint8_t[]> rgba(
WebPDecodeRGBA((const uint8_t*)buffer.c_str(), buffer.size(), &width, &height));
return ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(width * height * 4, rgba.get())), width, height);
}
EMSCRIPTEN_BINDINGS(my_module) {
function("decode", &decode);
function("version", &version);
}

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