1 files changed, 92 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterBorder.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterBorder.java
new file mode 100644
index 000000000..a7286f0fa
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterBorder.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2012 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.filters;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+
+import java.util.HashMap;
+
+public class ImageFilterBorder extends ImageFilter {
+    private static final float NINEPATCH_ICON_SCALING = 10;
+    private static final float BITMAP_ICON_SCALING = 1 / 3.0f;
+    private FilterImageBorderRepresentation mParameters = null;
+    private Resources mResources = null;
+
+    private HashMap<Integer, Drawable> mDrawables = new HashMap<Integer, Drawable>();
+
+    public ImageFilterBorder() {
+        mName = "Border";
+    }
+
+    public void useRepresentation(FilterRepresentation representation) {
+        FilterImageBorderRepresentation parameters = (FilterImageBorderRepresentation) representation;
+        mParameters = parameters;
+    }
+
+    public FilterImageBorderRepresentation getParameters() {
+        return mParameters;
+    }
+
+    public void freeResources() {
+       mDrawables.clear();
+    }
+
+    public Bitmap applyHelper(Bitmap bitmap, float scale1, float scale2 ) {
+        int w = bitmap.getWidth();
+        int h = bitmap.getHeight();
+        Rect bounds = new Rect(0, 0, (int) (w * scale1), (int) (h * scale1));
+        Canvas canvas = new Canvas(bitmap);
+        canvas.scale(scale2, scale2);
+        Drawable drawable = getDrawable(getParameters().getDrawableResource());
+        drawable.setBounds(bounds);
+        drawable.draw(canvas);
+        return bitmap;
+    }
+
+    @Override
+    public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
+        if (getParameters() == null || getParameters().getDrawableResource() == 0) {
+            return bitmap;
+        }
+        float scale2 = scaleFactor * 2.0f;
+        float scale1 = 1 / scale2;
+        return applyHelper(bitmap, scale1, scale2);
+    }
+
+    public void setResources(Resources resources) {
+        if (mResources != resources) {
+            mResources = resources;
+            mDrawables.clear();
+        }
+    }
+
+    public Drawable getDrawable(int rsc) {
+        Drawable drawable = mDrawables.get(rsc);
+        if (drawable == null && mResources != null && rsc != 0) {
+            drawable = new BitmapDrawable(mResources, BitmapFactory.decodeResource(mResources, rsc));
+            mDrawables.put(rsc, drawable);
+        }
+        return drawable;
+    }
+
+}