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38 lines
838 B
JavaScript
38 lines
838 B
JavaScript
import { createPreviewComponent, drawHeader } from "wizard/lib/preview";
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import { observes } from "discourse-common/utils/decorators";
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export default createPreviewComponent(400, 100, {
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image: null,
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@observes("field.value")
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imageChanged() {
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this.reload();
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},
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images() {
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return { image: this.get("field.value") };
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},
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paint({ ctx, colors, font, width, height }) {
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const headerHeight = height / 2;
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drawHeader(ctx, colors, width, headerHeight);
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const image = this.image;
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const headerMargin = headerHeight * 0.2;
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const imageHeight = headerHeight - headerMargin * 2;
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const ratio = imageHeight / image.height;
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this.scaleImage(
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image,
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headerMargin,
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headerMargin,
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image.width * ratio,
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imageHeight
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);
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this.drawPills(colors, font, height / 2);
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},
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});
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