From d922690a19edb8afbb103381f3a9c329ee2f9681 Mon Sep 17 00:00:00 2001
From: Ruben Brunk <rubenbrunk@google.com>
Date: Mon, 8 Oct 2012 13:48:46 -0700
Subject: Added stub for applying geometry flip.

Bug: 7224232
Bug: 7218935
Change-Id: Iaeea6a94f4fea44a8046f09a0fce72fe32ed7cc0
---
 .../filtershow/filters/ImageFilterGeometry.java    | 44 ++++++++++++++++++++++
 .../filtershow/imageshow/GeometryMetadata.java     |  9 +++++
 .../gallery3d/filtershow/presets/ImagePreset.java  |  9 +----
 3 files changed, 54 insertions(+), 8 deletions(-)
 create mode 100644 src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java

diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
new file mode 100644
index 000000000..69a8f20d8
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
@@ -0,0 +1,44 @@
+
+package com.android.gallery3d.filtershow.filters;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+
+import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
+import com.android.gallery3d.filtershow.imageshow.GeometryMetadata.FLIP;
+
+public class ImageFilterGeometry extends ImageFilter {
+    private final Bitmap.Config mConfig = Bitmap.Config.ARGB_8888;
+    private GeometryMetadata mGeometry = null;
+
+    public ImageFilterGeometry() {
+        mName = "Geometry";
+    }
+
+    @Override
+    public ImageFilter clone() throws CloneNotSupportedException {
+        ImageFilterGeometry filter = (ImageFilterGeometry) super.clone();
+        return filter;
+    }
+
+    public void setGeometryMetadata(GeometryMetadata m){
+        mGeometry = m;
+    }
+
+    native protected void nativeApplyFilterFlip(Bitmap src, int srcWidth, int srcHeight,
+            Bitmap dst, int dstWidth, int dstHeight, int flip);
+
+    @Override
+    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
+        if(mGeometry.getFlipType() == FLIP.NONE){
+            return bitmap;
+        }
+        Bitmap flipBitmap = bitmap.copy(mConfig, true);
+        nativeApplyFilterFlip(bitmap, bitmap.getWidth(), bitmap.getHeight(), flipBitmap,
+                flipBitmap.getWidth(), flipBitmap.getHeight(), 1);
+        return flipBitmap;
+    }
+
+}
diff --git a/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java b/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java
index 1f166255a..f3d64a518 100644
--- a/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java
+++ b/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java
@@ -16,8 +16,11 @@
 
 package com.android.gallery3d.filtershow.imageshow;
 
+import android.graphics.Bitmap;
 import android.graphics.RectF;
 
+import com.android.gallery3d.filtershow.filters.ImageFilterGeometry;
+
 /**
  * This class holds metadata about an image's geometry. Specifically: rotation,
  * scaling, cropping, and image boundaries. It maintains the invariant that the
@@ -28,6 +31,7 @@ import android.graphics.RectF;
 public class GeometryMetadata {
     // Applied in order: rotate, crop, scale.
     // Do not scale saved image (presumably?).
+    private static final ImageFilterGeometry mImageFilter = new ImageFilterGeometry();
     private float mScaleFactor = 0;
     private float mRotation = 0;
     private float mStraightenRotation = 0;
@@ -47,6 +51,11 @@ public class GeometryMetadata {
         set(g);
     }
 
+    public Bitmap apply(Bitmap original, float scaleFactor, boolean highQuality){
+        mImageFilter.setGeometryMetadata(this);
+        return mImageFilter.apply(original, scaleFactor, highQuality);
+    }
+
     public GeometryMetadata(float scale, float rotation, float straighten, RectF cropBounds,
             RectF photoBounds, FLIP flipType) {
         mScaleFactor = scale;
diff --git a/src/com/android/gallery3d/filtershow/presets/ImagePreset.java b/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
index be08e7090..830f3cb70 100644
--- a/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
+++ b/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
@@ -55,13 +55,6 @@ public class ImagePreset {
         mGeoData.set(source.mGeoData);
     }
 
-    private Bitmap applyGeometry(Bitmap original, float scaleFactor, boolean highQuality) {
-        Bitmap bitmap = original;
-
-        // TODO: put geometry filters
-        return bitmap;
-    }
-
     public boolean isFx() {
         return mIsFxPreset;
     }
@@ -143,7 +136,7 @@ public class ImagePreset {
 
     public Bitmap apply(Bitmap original) {
         // First we apply any transform -- 90 rotate, flip, straighten, crop
-        Bitmap bitmap = applyGeometry(original, mScaleFactor, mIsHighQuality);
+        Bitmap bitmap = mGeoData.apply(original, mScaleFactor, mIsHighQuality);
 
         // TODO -- apply borders separately
         ImageFilter borderFilter = null;
-- 
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