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Use copyImageAt instead of convertImageToBase64 #106

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Use copyImageAt instead of convertImageToBase64 #106

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30 changes: 2 additions & 28 deletions src/context-menu-builder.js
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Original file line number Diff line number Diff line change
Expand Up @@ -320,10 +320,10 @@ export default class ContextMenuBuilder {
* Adds "Copy Image" and "Copy Image URL" items when `src` is valid.
*/
addImageItems(menu, menuInfo) {
let target = this.getWebContents();
let copyImage = new MenuItem({
label: this.stringTable.copyImage(),
click: () => this.convertImageToBase64(menuInfo.srcURL,
(dataURL) => clipboard.writeImage(nativeImage.createFromDataURL(dataURL)))
click: () => target.copyImageAt(menuInfo.x, menuInfo.y)
});

menu.append(copyImage);
Expand Down Expand Up @@ -406,30 +406,4 @@ export default class ContextMenuBuilder {
menu.append(inspect);
return menu;
}

/**
* Converts an image to a base-64 encoded string.
*
* @param {String} url The image URL
* @param {Function} callback A callback that will be invoked with the result
* @param {String} outputFormat The image format to use, defaults to 'image/png'
*/
convertImageToBase64(url, callback, outputFormat='image/png') {
let canvas = document.createElement('CANVAS');
let ctx = canvas.getContext('2d');
let img = new Image();
img.crossOrigin = 'Anonymous';

img.onload = () => {
canvas.height = img.height;
canvas.width = img.width;
ctx.drawImage(img, 0, 0);

let dataURL = canvas.toDataURL(outputFormat);
canvas = null;
callback(dataURL);
};

img.src = url;
}
}