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Commit c01391fb authored by Alexandre Elias's avatar Alexandre Elias
Browse files

Minor fixes to SurfaceTexture transform matrix. 

- Sometimes, the applyUpdate was applied through draw() and the
  underlying matrix was not updated in time, causing "jitter".  Add a
  matrix update call in draw().

- Switch to invalidateParentIfNeeded() in setTransform().

Change-Id: I1cf9cdfe78f9d989821cdc9600984fc826430211
parent 30867d8b

core/java/android/view/TextureView.java

+10 −6
Original line number Diff line number Diff line
@@ -261,6 +261,7 @@ public class TextureView extends View { 
    @Override

    public final void draw(Canvas canvas) {

        applyUpdate();

        applyTransformMatrix();

    }



    /**
@@ -315,11 +316,7 @@ public class TextureView extends View { 
        }



        applyUpdate();



        if (mMatrixChanged) {

            mLayer.setTransform(mMatrix);

            mMatrixChanged = false;

        }

        applyTransformMatrix();



        return mLayer;

    }
@@ -386,7 +383,7 @@ public class TextureView extends View { 
    public void setTransform(Matrix transform) {

        mMatrix.set(transform);

        mMatrixChanged = true;

        invalidate();

        invalidateParentIfNeeded();

    }



    /**
@@ -410,6 +407,13 @@ public class TextureView extends View { 
        return transform;

    }



    private void applyTransformMatrix() {

        if (mMatrixChanged) {

            mLayer.setTransform(mMatrix);

            mMatrixChanged = false;

        }

    }



    /**

     * <p>Returns a {@link android.graphics.Bitmap} representation of the content

     * of the associated surface texture. If the surface texture is not available,