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viewer: initial center

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This commit is contained in:
Robin Appelman 2023-09-30 17:29:27 +02:00
commit be6ff11093
3 changed files with 10 additions and 11 deletions
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7
script/viewer/Panner/CenteredPanZoom.ts
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@ -20,6 +20,7 @@ export class CenteredPanZoom {
};
constructor(options: CenteredPanZoomOptions) {
const scale = options.scale || (options.screenWidth / options.contentSize.width);
this.screen = new Viewport({
x: 0,
y: 0,
@ -27,12 +28,12 @@ export class CenteredPanZoom {
height: options.screenHeight
});
this.viewport = new Viewport({
x: 0,
y: 0,
x: (options.screenWidth - (options.contentSize.width * scale)) / 2,
y: ( options.screenHeight - (options.contentSize.height * scale)) / 2,
width: options.screenWidth,
height: options.screenHeight
});
this.scale = options.scale || 1;
this.scale = scale;
this.contentSize = options.contentSize;
}