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Cache image width and height.

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This commit is contained in:
Gunther Brunner
2014-04-14 17:50:32 +09:00
parent f20c798ec4
commit 5124b77741
1 changed files with 10 additions and 3 deletions
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13
res/app/components/stf/screen/screen-directive.js
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@@ -13,6 +13,8 @@ module.exports = function DeviceScreenDirective($document, ScalingService) {
, displayHeight = 0
, cachedDisplayWidth = 0
, cachedDisplayHeight = 0
, cachedImageWidth = 0
, cachedImageHeight = 0
, loading = false
, scaler
, seq = 0
@@ -116,13 +118,18 @@ module.exports = function DeviceScreenDirective($document, ScalingService) {
// Check to set the size only if updated
if (cachedDisplayWidth !== displayWidth ||
cachedDisplayHeight !== displayHeight) {
cachedDisplayHeight !== displayHeight ||
cachedImageWidth !== image.width ||
cachedImageHeight !== image.height) {
cachedDisplayWidth = displayWidth
cachedDisplayHeight = displayHeight
imageRender.canvasWidth = image.width
imageRender.canvasHeight = image.height
cachedImageWidth = image.width
cachedImageHeight = image.height
imageRender.canvasWidth = cachedImageWidth
imageRender.canvasHeight = cachedImageHeight
var size = scaler.projectedSize(displayWidth, displayHeight)
imageRender.canvasStyleWidth = size.width