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Lines Matching defs:visibleRegion

1514          * visibleRegion: area of a surface that is visible on screen
1519         Region visibleRegion;
1531          * does not affect the visibleRegion of this layer or any layers
1542             visibleRegion.set(bounds);
1543             if (!visibleRegion.isEmpty()) {
1566                     opaqueRegion = visibleRegion;
1572         coveredRegion = aboveCoveredLayers.intersect(visibleRegion);
1575         aboveCoveredLayers.orSelf(visibleRegion);
1578         visibleRegion.subtractSelf(aboveOpaqueLayers);
1583             dirty = visibleRegion;
1585             dirty.orSelf(layer->visibleRegion);
1600             const Region newExposed = visibleRegion - coveredRegion;
1601             const Region oldVisibleRegion = layer->visibleRegion;
1604             dirty = (visibleRegion&oldCoveredRegion) | (newExposed-oldExposed);
1615         layer->setVisibleRegion(visibleRegion);
1618                 visibleRegion.subtract(transparentRegion));
1778             const Region clip(dirty.intersect(tr.transform(layer->visibleRegion)));
1812                     tr.transform(layer->visibleRegion)));