chafa-wasm/dist/chafa.js

Chafa WebAssembly module to convert images to text

/// <reference types="./chafa.d.ts" />
// @ts-nocheck
var Chafa = (() => {
  
  return (
async function(moduleArg = {}) {
  var moduleRtn;

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a.imageToCanvas=(c,b,f)=>{a.decodeImage(c,(d,g)=>{if(null!=d)f(d,{canvas:0,config:null});else if(b=b??{},"object"!==typeof b)f(Error("Configuration must be an object"),{canvas:0,config:null});else if(d={},d.format=null!=b.format?a.ChafaPixelMode[b.format]?.value??a.ChafaPixelMode.values[b.format]?.value:a.ChafaPixelMode.CHAFA_PIXEL_MODE_SYMBOLS.value,null==d.format)f(Error("Invalid format"),{canvas:0,config:null});else if(d.fontRatio=null!=b.fontRatio?"number"!==typeof b.fontRatio?Number.parseFloat(b.fontRatio):b.fontRatio:
d.format===a.ChafaPixelMode.CHAFA_PIXEL_MODE_SYMBOLS.value||d.format===a.ChafaPixelMode.CHAFA_PIXEL_MODE_KITTY.value?.5:1,Number.isNaN(d.fontRatio)||0>d.fontRatio)f(Error("Font ratio must be at least 0"),{canvas:0,config:null});else if(null==b.width&&null==b.height?g.width>g.height?(d.width=80,d.height=Math.round(g.height/g.width*d.width*d.fontRatio)):(d.height=25,d.width=Math.round(g.width/g.height*(d.height/d.fontRatio))):null!=b.width&&null==b.height?(d.width="number"!==typeof b.width?Number.parseInt(b.width,
10):b.width|0,d.height=Math.round(g.height/g.width*d.width*d.fontRatio)):null==b.width&&null!=b.height?(d.height="number"!==typeof b.height?Number.parseInt(b.height,10):b.height|0,d.width=Math.round(g.width/g.height*(d.height/d.fontRatio))):null!=b.width&&null!=b.height&&(d.width="number"!==typeof b.width?Number.parseInt(b.width,10):b.width|0,d.height="number"!==typeof b.height?Number.parseInt(b.height,10):b.height|0),Number.isNaN(d.width)||1>d.width)f(Error("Width must be at least 1"),{canvas:0,
config:null});else if(Number.isNaN(d.height)||1>d.height)f(Error("Height must be at least 1"),{canvas:0,config:null});else if(d.colors=null!=b.colors?a.ChafaCanvasMode[b.colors]?.value??a.ChafaCanvasMode.values[b.colors]?.value:a.ChafaCanvasMode.CHAFA_CANVAS_MODE_TRUECOLOR.value,null==d.colors)f(Error("Invalid color mode"),{canvas:0,config:null});else if(d.colorExtractor=null!=b.colorExtractor?a.ChafaColorExtractor[b.colorExtractor]?.value??a.ChafaColorExtractor.values[b.colorExtractor]?.value:a.ChafaColorExtractor.CHAFA_COLOR_EXTRACTOR_AVERAGE.value,
null==d.colorExtractor)f(Error("Invalid color extractor"),{canvas:0,config:null});else if(d.colorSpace=null!=b.colorSpace?a.ChafaColorSpace[b.colorSpace]?.value??a.ChafaColorSpace.values[b.colorSpace]?.value:a.ChafaColorSpace.CHAFA_COLOR_SPACE_RGB.value,null==d.colorSpace)f(Error("Invalid color space"),{canvas:0,config:null});else if(d.symbols=null!=b.symbols?String(b.symbols):d.colors===a.ChafaCanvasMode.CHAFA_CANVAS_MODE_FGBG.value?"block+border+space-wide":"block+border+space-wide-inverted",d.symbols)if(d.fill=
null!=b.fill?String(b.fill):"none",d.fg=null!=b.fg?"number"!==typeof b.fg?String(b.fg).startsWith("#")?Number.parseInt(b.fg.slice(1),16):Number.parseInt(b.fg,10):b.fg|0:16777215,Number.isNaN(d.fg)||0>d.fg||16777215<d.fg)f(Error("Foreground color must be between 0 and 0xffffff"),{canvas:0,config:null});else if(d.bg=null!=b.bg?"number"!==typeof b.bg?String(b.bg).startsWith("#")?Number.parseInt(b.bg.slice(1),16):Number.parseInt(b.bg,10):b.bg|0:0,Number.isNaN(d.bg)||0>d.bg||16777215<d.bg)f(Error("Background color must be between 0 and 0xffffff"),
{canvas:0,config:null});else if(d.fgOnly=null!=b.fgOnly?"boolean"!==typeof b.fgOnly?["true","yes","on"].includes(String(b.fgOnly).toLowerCase()):b.fgOnly:!1,d.dither=null!=b.dither?a.ChafaDitherMode[b.dither]?.value??a.ChafaDitherMode.values[b.dither]?.value:a.ChafaDitherMode.CHAFA_DITHER_MODE_NONE.value,null==d.dither)f(Error("Invalid dither mode"),{canvas:0,config:null});else if(d.ditherGrainWidth=null!=b.ditherGrainWidth?"number"!==typeof b.ditherGrainWidth?Number.parseInt(b.ditherGrainWidth,10):
b.ditherGrainWidth|0:4,[1,2,4,8].includes(d.ditherGrainWidth))if(d.ditherGrainHeight=null!=b.ditherGrainHeight?"number"!==typeof b.ditherGrainHeight?Number.parseInt(b.ditherGrainHeight,10):b.ditherGrainHeight|0:d.ditherGrainWidth,[1,2,4,8].includes(d.ditherGrainHeight))if(d.ditherIntensity=null!=b.ditherIntensity?"number"!==typeof b.ditherIntensity?Number.parseFloat(b.ditherIntensity):b.ditherIntensity:1,Number.isNaN(d.ditherIntensity)||0>d.ditherIntensity)f(Error("Dither intensity must be at least 0"),
{canvas:0,config:null});else if(d.preprocess=null!=b.preprocess?"boolean"!==typeof b.preprocess?["true","yes","on"].includes(String(b.preprocess).toLowerCase()):b.preprocess:!0,d.threshold=null!=b.threshold?"number"!==typeof b.threshold?Number.parseFloat(b.threshold):b.threshold:.5,Number.isNaN(d.threshold)||0>d.threshold||1<d.threshold)f(Error("Transparency threshold must be between 0 and 1"),{canvas:0,config:null});else if(d.optimize=null!=b.optimize?"number"!==typeof b.optimize?Number.parseInt(b.optimize,
10):b.optimize|0:d.colors===a.ChafaCanvasMode.CHAFA_CANVAS_MODE_FGBG.value?0:5,Number.isNaN(d.optimize)||0>d.optimize||9<d.optimize)f(Error("Optimization level must be between 0 and 9"),{canvas:0,config:null});else if(d.work=null!=b.work?"number"!==typeof b.work?Number.parseInt(b.work,10):b.work|0:5,Number.isNaN(d.work)||1>d.work||9<d.work)f(Error("Work factor must be between 1 and 9"),{canvas:0,config:null});else{Object.freeze(d);var h=a.ChafaOptimizations.CHAFA_OPTIMIZATION_NONE.value|(1<=d.optimize?
a.ChafaOptimizations.CHAFA_OPTIMIZATION_REUSE_ATTRIBUTES.value:0)|(6<=d.optimize?a.ChafaOptimizations.CHAFA_OPTIMIZATION_REPEAT_CELLS.value:0)|(7<=d.optimize?a.ChafaOptimizations.CHAFA_OPTIMIZATION_SKIP_CELLS.value:0),l=(d.work-1)/8;try{const u=g.data.length*g.data.BYTES_PER_ELEMENT;var k=a._malloc(u);(new Uint8ClampedArray(a.HEAPU8.buffer,k,u)).set(g.data);const L=a.lengthBytesUTF8(d.symbols);var m=a._malloc(L+1);a.stringToUTF8(d.symbols,m,L+1);var n=a._chafa_symbol_map_new();a._chafa_symbol_map_apply_selectors(n,
m);const M=a.lengthBytesUTF8(d.symbols);var p=a._malloc(M+1);a.stringToUTF8(d.fill,p,M+1);var q=a._chafa_symbol_map_new();a._chafa_symbol_map_apply_selectors(q,p);var r=a._chafa_canvas_config_new();a._chafa_canvas_config_set_pixel_mode(r,d.format);a._chafa_canvas_config_set_geometry(r,d.width,d.height);a._chafa_canvas_config_set_passthrough(r,a.ChafaPassthrough.CHAFA_PASSTHROUGH_NONE.value);a._chafa_canvas_config_set_symbol_map(r,n);a._chafa_canvas_config_set_fill_symbol_map(r,q);a._chafa_canvas_config_set_canvas_mode(r,
d.colors);a._chafa_canvas_config_set_color_extractor(r,d.colorExtractor);a._chafa_canvas_config_set_color_space(r,d.colorSpace);a._chafa_canvas_config_set_fg_color(r,d.fg);a._chafa_canvas_config_set_bg_color(r,d.bg);a._chafa_canvas_config_set_fg_only_enabled(r,d.fgOnly);a._chafa_canvas_config_set_dither_mode(r,d.dither);a._chafa_canvas_config_set_dither_grain_size(r,d.ditherGrainWidth,d.ditherGrainHeight);a._chafa_canvas_config_set_dither_intensity(r,d.ditherIntensity);a._chafa_canvas_config_set_preprocessing_enabled(r,
d.preprocess);a._chafa_canvas_config_set_transparency_threshold(r,d.threshold);a._chafa_canvas_config_set_optimizations(r,h);a._chafa_canvas_config_set_work_factor(r,l);var A=a._chafa_canvas_new(r);a._chafa_canvas_draw_all_pixels(A,a.ChafaPixelType.CHAFA_PIXEL_RGBA8_UNASSOCIATED.value,k,g.width,g.height,4*g.width);f(null,{canvas:A,config:d})}catch(u){f(u,{canvas:0,config:null})}finally{null!=A&&a._chafa_canvas_unref(A),null!=r&&a._chafa_canvas_config_unref(r),null!=n&&a._chafa_symbol_map_unref(n),
null!=m&&a._free(m),null!=q&&a._chafa_symbol_map_unref(q),null!=p&&a._free(p),null!=k&&a._free(k)}}else f(Error("Grain height must be exactly 1, 2, 4 or 8"),{canvas:0,config:null});else f(Error("Grain width must be exactly 1, 2, 4 or 8"),{canvas:0,config:null});else f(Error("Symbol map cannot be empty"),{canvas:0,config:null})})};
a.imageToMatrix=(c,b,f)=>{a.imageToCanvas(c,b,(d,{canvas:g,config:h})=>{if(null!=d||null==h)f(d,{matrix:[],config:h});else{d=Array(h.height);for(let l=0;l<h.height;l++){d[l]=Array(h.width);for(let k=0;k<h.width;k++){let m,n;try{const p=a._chafa_canvas_get_char_at(g,k,l);let q,r;h.colors===a.ChafaCanvasMode.CHAFA_CANVAS_MODE_FGBG.value?(q=h.fg,r=-1):(m=a._malloc(4),n=a._malloc(4),a._chafa_canvas_get_colors_at(g,k,l,m,n),q=a.getValue(m,"i32"),r=a.getValue(n,"i32"));d[l][k]=[p,q,r]}catch(p){f(p,{matrix:[],
config:h});return}finally{null!=m&&a._free(m),null!=n&&a._free(n)}}}f(null,{matrix:d,config:h})}})};a.imageToAnsi=(c,b,f)=>{a.imageToCanvas(c,b,(d,{canvas:g,config:h})=>{if(null!=d||null==h)f(d,{ansi:"",config:h});else try{var l=a._chafa_canvas_print(g,null);var k=a._g_string_free_and_steal(l);const m=a.UTF8ToString(k);f(null,{ansi:m,config:h})}catch(m){f(m,{ansi:"",config:h})}finally{null!=l&&a._free(l),null!=k&&a._free(k)}})};
a.imageToHtml=(c,b,f)=>{a.imageToMatrix(c,b,(d,{matrix:g,config:h})=>{if(null!=d||null==h)f(d,{html:"",config:h});else{d="";for(let l=0;l<h.height;l++){for(let k=0;k<h.width;k++){const [m,n,p]=g[l][k];if(1>m)continue;const q=-1<n?`#${n.toString(16).padStart(6,"0")}`:"transparent",r=-1<p?`#${p.toString(16).padStart(6,"0")}`:"transparent";d+=`<span style="color:${q};background:${r}">&#${m};</span>`}l<h.height-1&&(d+="\n")}f(null,{html:d,config:h})}})};
a.imageToConsoleLogArgs=(c,b,f)=>{a.imageToMatrix(c,b,(d,{matrix:g,config:h})=>{if(null!=d||null==h)f(d,{args:[],config:h});else{d=Array(h.width*h.height+1);d[0]="";for(let l=0;l<h.height;l++){for(let k=0;k<h.width;k++){const [m,n,p]=g[l][k];if(1>m)continue;const q=-1<n?`#${n.toString(16).padStart(6,"0")}`:"transparent",r=-1<p?`#${p.toString(16).padStart(6,"0")}`:"transparent";d[0]+=`%c${37===m?"%%":String.fromCodePoint(m)}`;d[h.width*l+k+1]=`color:${q};background:${r}`}l<h.height-1&&(d[0]+="\n")}f(null,
{args:d,config:h})}})};moduleRtn=ca;


  return moduleRtn;
}
);
})();
export default Chafa;