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Thomas Forgione 2023-05-25 12:01:45 +02:00
parent 90dbd18b26
commit 2e4f86979b
1 changed files with 43 additions and 26 deletions
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69
index.js
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@ -82,6 +82,9 @@ function help() {
const flattenLong = "\x1b[32m--flatten\x1b[0m";
const allMasksShort = "\x1b[32m-a\x1b[0m";
const allMasksLong = "\x1b[32m--all-masks\x1b[0m";
println(`${name} ${version}
${description}
@ -95,7 +98,9 @@ ${args}
${thresholdShort}, ${thresholdLong} <VALUE> Threshold for RGB mask computation (between 0 and 1)
${shrinkShort}, ${shrinkLong} Shrink horizontally leaves' bounding boxes
${flattenLong} Flattens the tree into a list before serializing in JSON
${forceShort}, ${forceLong} Delete the output directory before generating masks it again`);
${forceShort}, ${forceLong} Delete the output directory before generating masks it again
${allMasksShort}, ${allMasksLong} Compute and save all masks`
);
}
async function main() {
@ -106,6 +111,7 @@ async function main() {
let forceMode = false;
let shrinkBoxes = true;
let flatten = false;
let allMasks = false;
let argIndex = 2;
@ -152,6 +158,12 @@ async function main() {
help();
process.exit(0);
case "-a":
case "--all-masks":
allMasks = true;
argIndex++;
break;
default:
error("unknown option " + process.argv[argIndex]);
help();
@ -167,6 +179,11 @@ async function main() {
process.exit(1);
}
if (allMasks && outputDir === null) {
error("in order to compute all masks, you need to specify an output directory");
process.exit(1);
}
if (threshold !== undefined && isNaN(threshold)) {
error(tmp + " is not a valid threshold value");
process.exit(1);
@ -257,8 +274,10 @@ async function main() {
}
});
// Take a first screenshot
await page.screenshot({path: (outputDir === null ? __dirname : outputDir) + '/' + 'screenshot1.png'});
if (outputDir !== null) {
// Take a first screenshot
await page.screenshot({path: outputDir + '/' + 'screenshot1.png'});
}
// Edit the page to shrink elements in order to get better bounding boxes
if (shrinkBoxes) {
@ -268,32 +287,30 @@ async function main() {
eprintln();
}
// Take another screenshot and check the modification we made didn't change the layout of the page
await page.screenshot({path: (outputDir === null ? __dirname : outputDir) + '/' + 'screenshot2.png'});
if (outputDir !== null) {
// Take another screenshot and check the modification we made didn't change the layout of the page
await page.screenshot({path: outputDir + '/' + 'screenshot2.png'});
// Compare both screenshots
let file1 = await fs.readFile((outputDir === null ? __dirname : outputDir) + '/' + 'screenshot1.png');
let file2 = await fs.readFile((outputDir === null ? __dirname : outputDir) + '/' + 'screenshot2.png');
let filesAreSame = file1.map((x, i) => x === file2[i]).reduce((a, b) => a && b, true);
// Compare both screenshots
let file1 = await fs.readFile(outputDir + '/' + 'screenshot1.png');
let file2 = await fs.readFile(outputDir + '/' + 'screenshot2.png');
let filesAreSame = file1.map((x, i) => x === file2[i]).reduce((a, b) => a && b, true);
if (!filesAreSame) {
// Check psnr
let psnr = await image.psnr(
(outputDir === null ? __dirname : outputDir) + '/' + 'screenshot1.png',
(outputDir === null ? __dirname : outputDir) + '/' + 'screenshot2.png'
);
if (!filesAreSame) {
// Check psnr
let psnr = await image.psnr(outputDir + '/' + 'screenshot1.png', outputDir + '/' + 'screenshot2.png');
// Crash if they're different
if (psnr > 0) {
warning(filename + " produced slight diff: psnr = " + psnr);
} else {
await error("page edit changed the layout: psnr = " + psnr);
process.exit(1);
// Crash if they're different
if (psnr > 0) {
warning(filename + " produced slight diff: psnr = " + psnr);
} else {
await error("page edit changed the layout: psnr = " + psnr);
process.exit(1);
}
}
}
if (outputDir !== null) {
// Produce a screenshot without text
@ -324,7 +341,7 @@ async function main() {
// Analyse the root and output the result
info("performing analysis");
let analyse = await analyseElement(root, page, outputDir, threshold);
let analyse = await analyseElement(root, page, outputDir, allMasks, threshold);
info("analysis done");
// Append the current slide to the output
@ -393,7 +410,7 @@ async function addSpan(element) {
// Recursive function to analyse an HTML element.
// The output is written in hierarchy.
async function analyseElement(element, page, outputDir = null, threshold = undefined) {
async function analyseElement(element, page, outputDir = null, allMasks = false, threshold = undefined) {
// Get some information on the element
let tagAttr = await element.getProperty('tagName');
let tagName = await tagAttr.jsonValue();
@ -424,7 +441,7 @@ async function analyseElement(element, page, outputDir = null, threshold = undef
analyse.children = [];
if (outputDir !== null) {
if (outputDir !== null && allMasks) {
info("computing screenshots \x1b[34m" + analyse.uuid + "\x1b[0m");
@ -462,7 +479,7 @@ async function analyseElement(element, page, outputDir = null, threshold = undef
for (let child of children) {
// Recursively analyse the children
analyse.children.push(await analyseElement(child, page, outputDir, threshold));
analyse.children.push(await analyseElement(child, page, outputDir, allMasks, threshold));
}
}