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add comment; clean up console.log messages from testing

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Tom 2024-04-27 16:41:18 -04:00
parent f2c8db5db0
commit 9d6a785aac
1 changed files with 4 additions and 2 deletions
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6
src/canvasdrawer.js
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@ -117,7 +117,6 @@ class CanvasDrawer extends OpenSeadragon.DrawerBase{
if(this.viewer.viewport.getFlip() !== this._viewportFlipped){ if(this.viewer.viewport.getFlip() !== this._viewportFlipped){
this._flip(); this._flip();
} }
console.log('draw', this._viewportFlipped);
for(const tiledImage of tiledImages){ for(const tiledImage of tiledImages){
if (tiledImage.opacity !== 0) { if (tiledImage.opacity !== 0) {
this._drawTiles(tiledImage); this._drawTiles(tiledImage);
@ -187,6 +186,10 @@ class CanvasDrawer extends OpenSeadragon.DrawerBase{
context.restore(); context.restore();
} }
/**
* Test whether the current context is flipped or not
* @private
*/
get _viewportFlipped(){ get _viewportFlipped(){
return this.context.getTransform().a < 0; return this.context.getTransform().a < 0;
} }
@ -963,7 +966,6 @@ class CanvasDrawer extends OpenSeadragon.DrawerBase{
context.translate(point.x, 0); context.translate(point.x, 0);
context.scale(-1, 1); context.scale(-1, 1);
context.translate(-point.x, 0); context.translate(-point.x, 0);
console.log('flipped');
} }
// private // private