Add hook to manipulate SurfaceTexture transform
Bug: 7302956
Change-Id: I32bdeb22630dbeba9f028e1c68167d10a5288a28
diff --git a/gallerycommon/src/com/android/gallery3d/common/Utils.java b/gallerycommon/src/com/android/gallery3d/common/Utils.java
index f5a2667..3a68745 100644
--- a/gallerycommon/src/com/android/gallery3d/common/Utils.java
+++ b/gallerycommon/src/com/android/gallery3d/common/Utils.java
@@ -76,7 +76,7 @@
// Throws IllegalArgumentException if the input is <= 0 or
// the answer overflows.
public static int nextPowerOf2(int n) {
- if (n <= 0 || n > (1 << 30)) throw new IllegalArgumentException();
+ if (n <= 0 || n > (1 << 30)) throw new IllegalArgumentException("n is invalid: " + n);
n -= 1;
n |= n >> 16;
n |= n >> 8;
diff --git a/src/com/android/gallery3d/ui/SurfaceTextureScreenNail.java b/src/com/android/gallery3d/ui/SurfaceTextureScreenNail.java
index 1930e38..7cb8948 100644
--- a/src/com/android/gallery3d/ui/SurfaceTextureScreenNail.java
+++ b/src/com/android/gallery3d/ui/SurfaceTextureScreenNail.java
@@ -109,6 +109,7 @@
canvas.translate(cx, cy);
canvas.scale(1, -1, 1);
canvas.translate(-cx, -cy);
+ updateTransformMatrix(mTransform);
canvas.drawTexture(mExtTexture, mTransform, x, y, width, height);
canvas.restore();
}
@@ -119,6 +120,8 @@
throw new UnsupportedOperationException();
}
+ protected void updateTransformMatrix(float[] matrix) {}
+
@Override
abstract public void noDraw();