Fix geometry xforms & minor bug.

Bug: 7376048

Fixed geometry transform.  Fixed minor bug where the foldername
for saved edited images was incorrect.

Change-Id: I901df11cf71cd987b354dd7821fef7a484b0cbd3

2 files changed, 8 insertions, 25 deletions

diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
index 2c7ed2dd8..04057681f 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterGeometry.java
@@ -63,21 +63,6 @@ public class ImageFilterGeometry extends ImageFilter {
     native protected void nativeApplyFilterStraighten(Bitmap src, int srcWidth, int srcHeight,
             Bitmap dst, int dstWidth, int dstHeight, float straightenAngle);
 
-    public Matrix buildMatrix(RectF r) {
-        float dx = r.width() / 2;
-        float dy = r.height() / 2;
-        if (mGeometry.hasSwitchedWidthHeight()) {
-            float temp = dx;
-            dx = dy;
-            dy = temp;
-        }
-        float w = r.left * 2 + r.width();
-        float h = r.top * 2 + r.height();
-        Matrix m = mGeometry.buildGeometryMatrix(w, h, 1f, dx, dy, false);
-
-        return m;
-    }
-
     @Override
     public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
         // TODO: implement bilinear or bicubic here... for now, just use
@@ -94,16 +79,12 @@ public class ImageFilterGeometry extends ImageFilter {
             temp = Bitmap.createBitmap(cropBounds.width(), cropBounds.height(), mConfig);
         }
 
-        Matrix drawMatrix = buildMatrix(crop);
-        /*
         RectF rp = mGeometry.getPhotoBounds();
         RectF rc = mGeometry.getPreviewCropBounds();
-        // TODO: fix this method instead of calling the above buildMatrix()
         Matrix drawMatrix = mGeometry.buildTotalXform(rp.width(), rp.height(), rc.width(),
                 rc.height(), rc.left, rc.top,
                 mGeometry.getRotation(), mGeometry.getStraightenRotation(),
                 bitmap.getWidth() / rp.width(), null);
-        */
         Canvas canvas = new Canvas(temp);
         Paint paint = new Paint();
         paint.setAntiAlias(true);
diff --git a/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java b/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java
index 666eff99e..58c6f6fde 100644
--- a/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java
+++ b/src/com/android/gallery3d/filtershow/imageshow/GeometryMetadata.java
@@ -242,18 +242,20 @@ public class GeometryMetadata {
 
     public Matrix buildTotalXform(float pwidth, float pheight, float cwidth, float cheight,
             float cleft, float ctop, float rotation, float straighten, float scale, RectF dst) {
-        Matrix m = getFlipMatrix(pwidth, pheight);
-        m.postRotate(rotation + straighten, pwidth / 2, pheight / 2);
-        Matrix m1 = new Matrix();
-        m1.setRotate(rotation, pwidth / 2, pheight / 2);
+        float s_pwidth = pwidth * scale;
+        float s_pheight = pheight * scale;
+        Matrix m = getFlipMatrix(s_pwidth, s_pheight);
+        m.postRotate(rotation + straighten, s_pwidth / 2, s_pheight / 2);
+        Matrix m1 = getFlipMatrix(s_pwidth, s_pheight);
+        m1.postRotate(rotation, s_pwidth / 2, s_pheight / 2);
         // find new top left for crop.
-        RectF crop = new RectF(cleft, ctop, cleft + cwidth, ctop + cheight);
+        RectF crop = new RectF(cleft * scale, ctop * scale, (cleft + cwidth) * scale,
+                (ctop + cheight) * scale);
         if (!m1.mapRect(crop))
             return null;
         if (dst != null)
             dst.set(crop);
         m.postTranslate(-crop.left, -crop.top);
-        m.postScale(scale, scale);
         return m;
     }
 }