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Bug 708683 - Fix NaN viewport values. r=pcwalton

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The zero page width and height values were
causing the zoom scale to go to Infinity, introducing
all sorts of badness in the viewport values.
This commit is contained in:
Kartikaya Gupta 2011-12-09 22:57:57 -05:00
parent ea12c1c403
commit 77c643ef3e
1 changed files with 2 additions and 2 deletions
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4
mobile/android/base/ui/PanZoomController.java
View File

@ -811,11 +811,11 @@ public class PanZoomController
RectF viewport = viewportMetrics.getViewport();
float minZoomFactor = 0.0f;
if (viewport.width() > pageSize.width) {
if (viewport.width() > pageSize.width && pageSize.width > 0) {
float scaleFactor = viewport.width() / pageSize.width;
minZoomFactor = (float)Math.max(minZoomFactor, zoomFactor * scaleFactor);
}
if (viewport.height() > pageSize.height) {
if (viewport.height() > pageSize.height && pageSize.height > 0) {
float scaleFactor = viewport.height() / pageSize.height;
minZoomFactor = (float)Math.max(minZoomFactor, zoomFactor * scaleFactor);
}