mirror of
https://github.com/discourse/discourse.git
synced 2024-12-11 17:15:47 +08:00
33 lines
793 B
JavaScript
33 lines
793 B
JavaScript
import { observes } from 'ember-addons/ember-computed-decorators';
|
|
|
|
import { createPreviewComponent, drawHeader } from 'wizard/lib/preview';
|
|
|
|
export default createPreviewComponent(400, 100, {
|
|
image: null,
|
|
|
|
@observes('field.value')
|
|
imageChanged() {
|
|
this.reload();
|
|
},
|
|
|
|
images() {
|
|
return { image: this.get('field.value') };
|
|
},
|
|
|
|
paint(ctx, colors, width, height) {
|
|
const headerHeight = height / 2;
|
|
|
|
drawHeader(ctx, colors, width, headerHeight);
|
|
|
|
const image = this.image;
|
|
const headerMargin = headerHeight * 0.2;
|
|
|
|
const imageHeight = headerHeight - (headerMargin * 2);
|
|
const ratio = imageHeight / image.height;
|
|
this.scaleImage(image, headerMargin, headerMargin, image.width * ratio, imageHeight);
|
|
|
|
this.drawPills(colors, height / 2);
|
|
}
|
|
|
|
});
|