Refactoring Geometry handling.

Bug: 9170644
Bug: 9366654
Bug: 9366263

- Consolidates all the geometry transforms in GeometryMathUtils and
  significantly reduces complexity.
- Removes GeometryMetadata object and dependent code.
- Removes ImageGeometry and geometry update callbacks.

Change-Id: I59add51907459593244c9ebaadef585efc7486d5

1 files changed, 78 insertions, 0 deletions

diff --git a/src/com/android/gallery3d/filtershow/imageshow/ImageMirror.java b/src/com/android/gallery3d/filtershow/imageshow/ImageMirror.java
new file mode 100644
index 000000000..26c49b1a8
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/imageshow/ImageMirror.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.filtershow.imageshow;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+import com.android.gallery3d.filtershow.editors.EditorMirror;
+import com.android.gallery3d.filtershow.filters.FilterMirrorRepresentation;
+import com.android.gallery3d.filtershow.imageshow.GeometryMathUtils.GeometryHolder;
+
+public class ImageMirror extends ImageShow {
+    private static final String TAG = ImageMirror.class.getSimpleName();
+    private EditorMirror mEditorMirror;
+    private FilterMirrorRepresentation mLocalRep = new FilterMirrorRepresentation();
+    private GeometryHolder mDrawHolder = new GeometryHolder();
+
+    public ImageMirror(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ImageMirror(Context context) {
+        super(context);
+    }
+
+    public void setFilterMirrorRepresentation(FilterMirrorRepresentation rep) {
+        mLocalRep = (rep == null) ? new FilterMirrorRepresentation() : rep;
+    }
+
+    public void flip() {
+        mLocalRep.cycle();
+        invalidate();
+    }
+
+    public FilterMirrorRepresentation getFinalRepresentation() {
+        return mLocalRep;
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        // Treat event as handled.
+        return true;
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        MasterImage master = MasterImage.getImage();
+        Bitmap image = master.getFiltersOnlyImage();
+        if (image == null) {
+            return;
+        }
+        GeometryMathUtils.initializeHolder(mDrawHolder, mLocalRep);
+        GeometryMathUtils.drawTransformedCropped(mDrawHolder, canvas, image, getWidth(),
+                getHeight());
+    }
+
+    public void setEditor(EditorMirror editorFlip) {
+        mEditorMirror = editorFlip;
+    }
+
+}