wasm4

<!doctype html> <html lang="en"> <head> <title>Code coverage report for png2src.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <link rel="shortcut icon" type="image/x-icon" href="favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="index.html">All files</a> png2src.js</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 98.91% Statements 363/367 </div> <div class='fl pad1y space-right2'> 92.85% Branches 39/42 </div> <div class='fl pad1y space-right2'> 100% Functions 4/4 </div> <div class='fl pad1y space-right2'> 98.91% Lines 363/367 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a name='L20'></a><a href='#L20'>20</a> <a name='L21'></a><a href='#L21'>21</a> <a name='L22'></a><a 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1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 13x 13x 13x 13x 13x 13x 13x 13x 13x 99x 888x 888x 888x 888x 888x 888x 888x 37x 1x 1x 1x 1x 1x 1x 1x 36x 36x 36x 36x 36x 36x 888x 887x 98x 13x 1x 1x 1x 1x 1x 1x 4x 4x 4x 4x 4x 4x 4x 4x     4x 13x 10x 10x 10x 10x 10x 10x 11x 11x 11x 13x 6x 6x 6x 6x 13x 5x 5x 5x 5x 5x 11x 11x 11x 11x 11x 836x 836x 836x 836x 836x 836x 836x 836x 11x 11x 11x 836x     836x 836x 836x 836x 836x 836x 836x 11x 13x 92x 836x 836x 836x 92x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 1x 1x 1x 5x 5x 1x 1x 5x 4x 4x 4x 4x 4x 5x 7x 7x 7x 7x 3x 3x 7x 7x 7x 1x 1x 7x 3x 3x 5x 1x 5x 2x 2x 5x 1x 1x  </td><td class="text"><pre class="prettyprint lang-js">const fs = require("fs"); const path = require("path"); const pngjs = require("pngjs"); const mustache = require("mustache");   const TEMPLATES = { assemblyscript: `{{#sprites}} // {{name}} const {{name}}Width = {{width}}; const {{name}}Height = {{height}}; const {{name}}Flags = {{flags}}; // {{flagsHumanReadable}} const {{name}} = memory.data<u8>([ {{bytes}} ]);   {{/sprites}}`,   c: `{{#sprites}} // {{name}} #define {{name}}Width {{width}} #define {{name}}Height {{height}} #define {{name}}Flags {{flagsHumanReadable}} const uint8_t {{name}}[{{length}}] = { {{bytes}} };   {{/sprites}}`,   c3: `{{#sprites}} // {{name}} const uint {{rustName}}_WIDTH = {{width}}; const uint {{rustName}}_HEIGHT = {{height}}; const uint {{rustName}}}_FLAGS = {{flag}}; // {{flagsHumanReadable}} const char[{{length}}] {{rustName}} = { {{bytes}} };   {{/sprites}}`,   d: `{{#sprites}} // {{name}} enum {{name}}Width = {{width}}; enum {{name}}Height = {{height}}; enum {{name}}Flags = {{flag}}; // {{flagsHumanReadable}} immutable ubyte[] {{name}} = [ {{bytes}} ];   {{/sprites}}`,   go: `{{#sprites}} // {{name}} const {{name}}Width = {{width}} const {{name}}Height = {{height}} const {{name}}Flags = {{flags}} // {{flagsHumanReadable}} var {{name}} = [{{length}}]byte { {{bytes}} }   {{/sprites}}`,   grain: `{{#sprites}} // {{name}} let {{name}}Width = {{width}}us let {{name}}Height = {{height}}us let {{name}}Flags = {{flags}}us // {{flagsHumanReadable}} let {{name}} = b"{{charBytes}}"   {{/sprites}}`,   nelua: `{{#sprites}} -- {{name}} local {{name}}_width <comptime> = {{width}} local {{name}}_height <comptime> = {{height}} local {{name}}_flags <comptime> = {{flags}} -- {{flagsHumanReadable}} local {{name}}: [{{length}}]uint8 <const> = { {{bytes}} }   {{/sprites}}`,   nim: `{{#sprites}} # {{name}} const {{name}}Width = {{width}} const {{name}}Height = {{height}} const {{name}}Flags = {{flagsHumanReadable}} var {{name}}: array[{{length}}, uint8] = [{{firstByte}}'u8,{{restBytes}}]   {{/sprites}}`,   odin: `{{#sprites}} // {{name}} {{odinName}}_width : u32 : {{width}} {{odinName}}_height : u32 : {{height}} {{odinName}}_flags : w4.Blit_Flags : {{odinFlags}} // {{flagsHumanReadable}} {{odinName}} := [{{length}}]u8{ {{bytes}} }   {{/sprites}}`,   penne: `{{#sprites}} // {{name}} const {{rustName}}_WIDTH: u32 = {{width}}; const {{rustName}}_HEIGHT: u32 = {{height}}; const {{rustName}}_FLAGS: u32 = {{flags}}; // {{flagsHumanReadable}} const {{rustName}}: [{{length}}]u8 = [ {{bytes}} ];   {{/sprites}}`,   porth: `{{#sprites}} // {{name}} sprite const {{name}}-sprite \"{{porthBytes}}\"c end const {{name}}-flags {{flags}} end // {{flagsHumanReadable}} const {{name}}-height {{height}} end const {{name}}-width {{width}} end   {{/sprites}}`,   roc: `{{#sprites}} # {{name}} sprite {{name}}Sprite = Sprite.new { data: [ {{bytes}} ], bpp: BPP{{bpp}}, width: {{width}}, height: {{height}}, }   {{/sprites}}`,   roland: `{{#sprites}} // {{name}} const {{rustName}}_WIDTH: u32 = {{width}}; const {{rustName}}_HEIGHT: u32 = {{height}}; const {{rustName}}_FLAGS: u32 = {{flags}}; // {{flagsHumanReadable}} static {{rustName}}: [u8; {{length}}] = [ {{bytes}} ];   {{/sprites}}`,   rust: `{{#sprites}} // {{name}} const {{rustName}}_WIDTH: u32 = {{width}}; const {{rustName}}_HEIGHT: u32 = {{height}}; const {{rustName}}_FLAGS: u32 = {{flags}}; // {{flagsHumanReadable}} const {{rustName}}: [u8; {{length}}] = [ {{bytes}} ];   {{/sprites}}`,   wat: `{{#sprites}} ;; {{name}} ;; {{name}}_width: u32 = {{width}}; ;; {{name}}_height: u32 = {{height}}; ;; {{name}}_flags: u32 = {{flags}}; // {{flagsHumanReadable}} (data (i32.const ???) "{{wasmBytes}}" )   {{/sprites}}`,   zig: `{{#sprites}} // {{name}} pub const {{name}}_width = {{width}}; pub const {{name}}_height = {{height}}; pub const {{name}}_flags = {{flags}}; // {{flagsHumanReadable}} pub const {{name}} = [{{length}}]u8{ {{bytes}} };   {{/sprites}}`, };   const ALIASES = { rs: "rust", as: "assemblyscript", cpp: "c", };   function run(sourceFile) { const png = pngjs.PNG.sync.read(fs.readFileSync(sourceFile), { colorType: 1, inputColorType: 1, });   const palette = new Map(); let colorCount = 0; for (let y = 0; y < png.height; ++y) { for (let x = 0; x < png.width; ++x) { const idx = 4 * (png.width * y + x); const r = png.data[idx]; const g = png.data[idx + 1]; const b = png.data[idx + 2]; const a = png.data[idx + 3]; const packed = (r << 24) | (g << 16) | (b << 8) | a; if (!palette.has(packed)) { if (colorCount >= 4) { const rgbHistory = [...palette.values()].map( c => `- (R: ${c.r}, G: ${c.g}, B: ${c.b}, A: ${c.a}); first seen at (${c.x}, ${c.y})`); throw new Error(` Too many colors: maximum is 4. The previous colors were: ${rgbHistory.join("\n")} The first occurrence of another color is at (${x}, ${y}) and has the value of (R: ${r}, G: ${g}, B: ${b}, A: ${a})`); } palette.set(packed, { r, g, b, a, x, y, i: colorCount++, brightness: (0.2126*r + 0.7152*g + 0.0722*b) * a, }); } } }   if (png.palette) { // If the png has a palette, use that order. // In the special case that the png palette contains 4 colors but we // only use 3 of them, don't shift colors over. const forceOrder = png.palette.length === 4 && colorCount === 3; colorCount = 0; for (let rgba of png.palette) { const r = rgba[0]; const g = rgba[1]; const b = rgba[2]; const a = rgba[3]; const packed = (r << 24) | (g << 16) | (b << 8) | a; if (palette.has(packed)) { palette.set(packed, {i: colorCount++}); } else if (forceOrder) { colorCount++; } } } else { // Sort palette by brightness value const paletteKeys = [...palette.keys()]; paletteKeys.sort((packedA, packedB) => palette.get(packedB).brightness - palette.get(packedA).brightness); paletteKeys.forEach((k, i) => palette.set(k, {i})); }   let flags, flagsHumanReadable, odinFlags; let bpp; if (colorCount <= 2) { bpp = 1; flags = 0; flagsHumanReadable = "BLIT_1BPP"; odinFlags = "nil" } else if (colorCount <= 4) { bpp = 2; flags = 1; flagsHumanReadable = "BLIT_2BPP"; odinFlags = "{ .USE_2BPP }" }   const bytes = new Uint8Array((png.width * png.height * bpp + 7 ) / 8);   // Read a color (palette index) from the source png function readColor(x, y) { const idx = 4 * (png.width * y + x); const r = png.data[idx]; const g = png.data[idx + 1]; const b = png.data[idx + 2]; const a = png.data[idx + 3]; const packed = (r << 24) | (g << 16) | (b << 8) | a; return palette.get(packed).i; }   // Write a color (palette index) to the output buffer function writeColor(color, x, y) { if(bpp != 1 && bpp != 2){ throw new Error("Unexpected bpp"); }   const color_idx = (y * png.width + x); const idx = Math.floor(color_idx / ( 8 / bpp )); const shift = ((8 / bpp - 1)-color_idx % ( 8 / bpp )) * bpp;   bytes[idx] = (color << shift) | (bytes[idx]); }   for (let y = 0; y < png.height; ++y) { for (let x = 0; x < png.width; ++x) { const color = readColor(x, y); writeColor(color, x, y); } }   const varName = path .basename(sourceFile, ".png") .replace(/[^0-9A-Za-z]+/g, "_") .replace(/^([0-9])/, "_$1");   const rustVarName = (varName.substr(0, 1) + varName.substr(1) .replace(/[A-Z]/g, l => '_' + l)) .toLocaleUpperCase()   const dataBytes = [...bytes] .map((b) => "0x" + b.toString(16).padStart(2, "0"))   const data = dataBytes.join(',')   const charBytes = [...bytes] .map((b) => "\\x" + b.toString(16).padStart(2, "0"))   const wasmBytes = [...bytes] .map((b) => "\\" + b.toString(16).padStart(2, "0"))   const porthBytes = [...bytes] .map((b) => "\\\\" + b.toString(16).padStart(2, "0"))   const odinVarName = (varName.substr(0, 1) + varName.substr(1) .replace(/[A-Z]/g, l => '_' + l)) .toLocaleLowerCase()   return { "name": varName, "height": png.height, "width": png.width, "length": bytes.length, "flags": flags, "flagsHumanReadable": flagsHumanReadable, "bytes": data, "bpp": bpp, "charBytes": charBytes.join(''), "firstByte": dataBytes[0], "restBytes": dataBytes.slice(1).join(','), "wasmBytes": wasmBytes.join(''), "porthBytes": porthBytes.join(''), "rustName": rustVarName, "odinName": odinVarName, "odinFlags": odinFlags, }; }   exports.run = run;   function runAll(files, opts) { if (opts.template) { template = fs.readFileSync(opts.template, { encoding: 'utf8' });   } else { const lang = opts.lang; template = TEMPLATES[lang == "cpp" ? "c" : lang]; }   let output = { "sprites": [] }; for (let ii = 0; ii < files.length; ++ii) { const file = files[ii];   try { if (ii > 0) { console.log(); }   output.sprites.push(run(file)); } catch (error) { throw new Error("Error processing " + file + ": " + error.message); } }   const parsed = mustache.render(template, output); if (opts.output == "-") { console.log(parsed); } else { fs.writeFileSync(opts.output, parsed); } }   exports.runAll = runAll;  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2024-12-13T03:57:35.289Z </div> <script src="prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>