Correctly compute tex coords for rect layers.
Bug #4192695
This change also fixes Javadoc links in the framework.
Change-Id: Ia548bcb18baba5d6fe6a4a04a2278e3a3bd465b2
diff --git a/libs/hwui/Layer.h b/libs/hwui/Layer.h
index 26e240f..6c4a2a9 100644
--- a/libs/hwui/Layer.h
+++ b/libs/hwui/Layer.h
@@ -53,6 +53,23 @@
}
/**
+ * Sets this layer's region to a rectangle. Computes the appropriate
+ * texture coordinates.
+ */
+ void setRegionAsRect() {
+ const android::Rect& bounds = region.getBounds();
+ regionRect.set(bounds.leftTop().x, bounds.leftTop().y,
+ bounds.rightBottom().x, bounds.rightBottom().y);
+
+ const float texX = 1.0f / float(width);
+ const float texY = 1.0f / float(height);
+ const float height = layer.getHeight();
+ texCoords.set(
+ regionRect.left * texX, (height - regionRect.top) * texY,
+ regionRect.right * texX, (height - regionRect.bottom) * texY);
+ }
+
+ /**
* Bounds of the layer.
*/
Rect layer;