1 files changed, 79 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterParametricBorder.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterParametricBorder.java
new file mode 100644
index 000000000..2ead04764
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterParametricBorder.java
@@ -0,0 +1,79 @@
+
+package com.android.gallery3d.filtershow.filters;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.RectF;
+
+public class ImageFilterParametricBorder extends ImageFilter {
+    private int mBorderColor = Color.WHITE;
+    private int mBorderSize = 10;
+    private int mBorderCornerRadius = 10;
+
+    public ImageFilterParametricBorder() {
+        mName = "Border";
+    }
+
+    public ImageFilterParametricBorder(int color, int size, int radius) {
+        setBorder(color, size, radius);
+    }
+
+    @Override
+    public ImageFilter clone() throws CloneNotSupportedException {
+        ImageFilterParametricBorder filter = (ImageFilterParametricBorder) super.clone();
+        filter.setBorder(mBorderColor, mBorderSize, mBorderCornerRadius);
+        return filter;
+    }
+
+    @Override
+    public boolean same(ImageFilter filter) {
+        boolean isBorderFilter = super.same(filter);
+        if (!isBorderFilter) {
+            return false;
+        }
+        ImageFilterParametricBorder borderFilter = (ImageFilterParametricBorder) filter;
+        if (borderFilter.mBorderColor != mBorderColor) {
+            return false;
+        }
+        if (borderFilter.mBorderSize != mBorderSize) {
+            return false;
+        }
+        if (borderFilter.mBorderCornerRadius != mBorderCornerRadius) {
+            return false;
+        }
+        return true;
+    }
+
+    public void setBorder(int color, int size, int radius) {
+        mBorderColor = color;
+        mBorderSize = size;
+        mBorderCornerRadius = radius;
+    }
+
+    @Override
+    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
+        Canvas canvas = new Canvas(bitmap);
+        Path border = new Path();
+        border.moveTo(0, 0);
+        int w = bitmap.getWidth();
+        int h = bitmap.getHeight();
+        float bs = mBorderSize * scaleFactor;
+        float r = mBorderCornerRadius * scaleFactor;
+        border.lineTo(0, h);
+        border.lineTo(w, h);
+        border.lineTo(w, 0);
+        border.lineTo(0, 0);
+        border.addRoundRect(new RectF(bs, bs, w - bs, h - bs),
+                r, r, Path.Direction.CW);
+
+        Paint paint = new Paint();
+        paint.setAntiAlias(true);
+        paint.setColor(mBorderColor);
+        canvas.drawPath(border, paint);
+        return bitmap;
+    }
+
+}