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Updated the CLUT lookup: rgba #615

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Updated the CLUT lookup: rgba #615

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53d5f0c
feat: Updated the CLUT lookup: rgba
David2k13 Mar 3, 2023
fcd4211
perf: drawImageSyncHandler
David2k13 Jan 16, 2024
4c4ee60
fix: renderColorImage with @Cornerstonejs/dicom-image-loader
David2k13 Mar 7, 2024
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4 changes: 2 additions & 2 deletions config/webpack/webpack-base.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,15 +26,15 @@ module.exports = {
devtool: 'source-map',
externals: {},
module: {
rules: [{
rules: [/* {
enforce: 'pre',
test: /\.js$/,
exclude: /(node_modules)/,
loader: 'eslint-loader',
options: {
failOnError: false
}
}, {
},*/{
test: /\.js|ts$/,
exclude: /(node_modules)/,
use: [{
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6 changes: 3 additions & 3 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"name": "cornerstone-core",
"version": "0.0.0-semantically-released",
"description": "HTML5 Medical Image Viewer Component",
"main": "./dist/cornerstone.js",
"main": "./src/index.js",
"keywords": [
"DICOM",
"medical",
Expand All @@ -11,7 +11,7 @@
"author": "Chris Hafey",
"homepage": "https://github.com/cornerstonejs/cornerstone",
"license": "MIT",
"module": "./dist/cornerstone.js",
"module": "./src/index.js",
"repository": {
"type": "git",
"url": "https://github.com/cornerstonejs/cornerstone.git"
Expand Down Expand Up @@ -56,7 +56,7 @@
"cz-conventional-changelog": "^3.3.0",
"docdash": "^1.0.0",
"documentation": "^13.2.5",
"eslint": "^5.5.0",
"eslint": "^6.8.0",
"eslint-loader": "^2.1.0",
"eslint-plugin-import": "^2.14.0",
"gitbook-plugin-edit-link": "^2.0.2",
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5 changes: 4 additions & 1 deletion src/internal/drawImageSync.js
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Expand Up @@ -15,7 +15,7 @@ import EVENTS from '../events.js';
* @returns {void}
* @memberof Internal
*/
export default function (enabledElement, invalidated) {
export default async function (enabledElement, invalidated) {
const image = enabledElement.image;
const element = enabledElement.element;
const layers = enabledElement.layers || [];
Expand Down Expand Up @@ -53,6 +53,7 @@ export default function (enabledElement, invalidated) {
} else {
render = renderGrayscaleImage;
}
image._render = render
}

render(enabledElement, invalidated);
Expand All @@ -77,5 +78,7 @@ export default function (enabledElement, invalidated) {
enabledElement.invalid = false;
enabledElement.needsRedraw = false;

await globalThis.drawImageSyncHandler?.(eventData)

triggerEvent(element, EVENTS.IMAGE_RENDERED, eventData);
}
26 changes: 24 additions & 2 deletions src/internal/storedPixelDataToCanvasImageDataPseudocolorLUT.js
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Expand Up @@ -33,9 +33,31 @@ function storedPixelDataToCanvasImageDataPseudocolorLUT (image, grayscaleLut, co
clut = colorLut;
}

if (minPixelValue < 0) {
if (image.color === true || image.rgba === true) { /* Updated the CLUT lookup: rgba */
if (minPixelValue < 0) {
while (storedPixelDataIndex < numPixels) {
grayscale = grayscaleLut[pixelData[storedPixelDataIndex] + -minPixelValue];
storedPixelDataIndex += 4;
rgba = clut[grayscale];
canvasImageDataData[canvasImageDataIndex++] = rgba[0];
canvasImageDataData[canvasImageDataIndex++] = rgba[1];
canvasImageDataData[canvasImageDataIndex++] = rgba[2];
canvasImageDataData[canvasImageDataIndex++] = rgba[3];
}
} else {
while (storedPixelDataIndex < numPixels) {
grayscale = grayscaleLut[pixelData[storedPixelDataIndex]];
storedPixelDataIndex += 4;
rgba = clut[grayscale];
canvasImageDataData[canvasImageDataIndex++] = rgba[0];
canvasImageDataData[canvasImageDataIndex++] = rgba[1];
canvasImageDataData[canvasImageDataIndex++] = rgba[2];
canvasImageDataData[canvasImageDataIndex++] = rgba[3];
}
}
} else if (minPixelValue < 0) {
while (storedPixelDataIndex < numPixels) {
grayscale = grayscaleLut[pixelData[storedPixelDataIndex++] + (-minPixelValue)];
grayscale = grayscaleLut[pixelData[storedPixelDataIndex++] + -minPixelValue];
rgba = clut[grayscale];
canvasImageDataData[canvasImageDataIndex++] = rgba[0];
canvasImageDataData[canvasImageDataIndex++] = rgba[1];
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4 changes: 2 additions & 2 deletions src/rendering/renderColorImage.js
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Original file line number Diff line number Diff line change
Expand Up @@ -59,8 +59,8 @@ function getRenderCanvas (enabledElement, image, invalidated) {

// The ww/wc is identity and not inverted - get a canvas with the image rendered into it for
// Fast drawing
if (enabledElement.viewport.voi.windowWidth === 255 &&
enabledElement.viewport.voi.windowCenter === 128 &&
if ((enabledElement.viewport.voi.windowWidth === 255 || enabledElement.viewport.voi.windowWidth === 256) &&
(enabledElement.viewport.voi.windowCenter === 127 || enabledElement.viewport.voi.windowCenter === 128) &&
enabledElement.viewport.invert === false &&
image.getCanvas &&
image.getCanvas()
Expand Down