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Fix placeholderFillStyle on tiledImage has no effect

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This commit is contained in:
Mutlu Koesem 2017-08-09 11:39:17 +02:00
parent 7f5a18e46a
commit 8a4ef0cc2e
1 changed files with 10 additions and 6 deletions
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16
src/tiledimage.js
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@ -1805,15 +1805,19 @@ function compareTiles( previousBest, tile ) {
* @param {OpenSeadragon.Tile[]} lastDrawn - An unordered list of Tiles drawn last frame. * @param {OpenSeadragon.Tile[]} lastDrawn - An unordered list of Tiles drawn last frame.
*/ */
function drawTiles( tiledImage, lastDrawn ) { function drawTiles( tiledImage, lastDrawn ) {
if (tiledImage.opacity === 0 || lastDrawn.length === 0) { if (tiledImage.opacity === 0 || (lastDrawn.length === 0 && !tiledImage.placeholderFillStyle)) {
return; return;
} }
var tile = lastDrawn[0];
var useSketch = tiledImage.opacity < 1 || var tile = lastDrawn[0];
(tiledImage.compositeOperation && var useSketch;
tiledImage.compositeOperation !== 'source-over') ||
(!tiledImage._isBottomItem() && tile._hasTransparencyChannel()); if (tile) {
useSketch = tiledImage.opacity < 1 ||
(tiledImage.compositeOperation &&
tiledImage.compositeOperation !== 'source-over') ||
(!tiledImage._isBottomItem() && tile._hasTransparencyChannel());
}
var sketchScale; var sketchScale;
var sketchTranslate; var sketchTranslate;