discourse/app/assets/javascripts/wizard/addon/components/image-preview-favicon.js

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import { createPreviewComponent } from "wizard/lib/preview";
import { observes } from "discourse-common/utils/decorators";
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export default createPreviewComponent(371, 124, {
tab: null,
image: null,
@observes("field.value")
imageChanged() {
this.reload();
},
images() {
return { tab: "/images/wizard/tab.png", image: this.get("field.value") };
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},
paint(options) {
const { ctx, width, height } = options;
this.scaleImage(this.tab, 0, 0, width, height);
this.scaleImage(this.image, 40, 25, 30, 30);
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ctx.font = `20px 'Arial'`;
ctx.fillStyle = "#000";
let title = this.wizard.getTitle();
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if (title.length > 20) {
title = title.substring(0, 20) + "...";
}
ctx.fillText(title, 80, 48);
},
});