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Merge pull request #1429 from openseadragon/ig-square

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Fixed issue with square tile code on IE
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Ian Gilman 2018-04-25 09:35:11 -07:00 committed by GitHub
commit ceb828dd06
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 9 deletions
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17
src/tile.js
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@ -367,16 +367,21 @@ $.Tile.prototype = {
// changes as we are rendering the image
drawingHandler({context: context, tile: this, rendered: rendered});
if (!this.sourceBounds) { // Just in case
this.sourceBounds = new $.Rect(0, 0, rendered.canvas.width, rendered.canvas.height);
var sourceWidth, sourceHeight;
if (this.sourceBounds) {
sourceWidth = Math.min(this.sourceBounds.width, rendered.canvas.width);
sourceHeight = Math.min(this.sourceBounds.height, rendered.canvas.height);
} else {
sourceWidth = rendered.canvas.width;
sourceHeight = rendered.canvas.height;
}
context.drawImage(
rendered.canvas,
this.sourceBounds.x,
this.sourceBounds.y,
this.sourceBounds.width,
this.sourceBounds.height,
0,
0,
sourceWidth,
sourceHeight,
position.x,
position.y,
size.x,

4
src/tilesource.js
View File

@ -392,9 +392,7 @@ $.TileSource.prototype = {
sy = Math.min( sy, dimensionsScaled.y - py );
if (isSource) {
scale = 1;
px = 0;
py = 0;
return new $.Rect(0, 0, sx, sy);
}
return new $.Rect( px * scale, py * scale, sx * scale, sy * scale );