SnapdragonCamera: Bestpicture scene filter

Adding best picture selection scene filter

Change-Id: Ifa0f544e80d161eaef743d611c712d8db48e5631
CRs-Fixed: 1050663

1 files changed, 98 insertions, 0 deletions

diff --git a/src/com/android/camera/ui/DotsView.java b/src/com/android/camera/ui/DotsView.java
new file mode 100644
index 000000000..f08b96713
--- /dev/null
+++ b/src/com/android/camera/ui/DotsView.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.android.camera.ui;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class DotsView extends View {
+    private Paint mTargetPaint;
+    private int mPosition;
+    private float mPositionOffset;
+    private DotsViewItem mItems;
+
+    public DotsView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mTargetPaint = new Paint();
+        mTargetPaint.setColor(Color.WHITE);
+        mTargetPaint.setStyle(Paint.Style.FILL_AND_STROKE);
+    }
+
+    public void update(int position, float positionOffest) {
+        mPosition = position;
+        mPositionOffset = positionOffest;
+        invalidate();
+    }
+
+    public void setItems(DotsViewItem item) {
+        mItems = item;
+    }
+
+    public void update() {
+        invalidate();
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        if(mItems == null) {
+            return;
+        }
+
+        int dx = canvas.getWidth()/(mItems.getTotalItemNums()+1);
+        int dy = canvas.getHeight()/(mItems.getTotalItemNums()+1);
+        int y = canvas.getHeight()/2;
+        float radius = Math.min(dx, dy)/2f;
+        for(int i=0; i < mItems.getTotalItemNums(); i++) {
+            if(i-1 == mPosition && mPositionOffset > 0f) {
+                drawDot(canvas, (i + 1) * dx, y, radius + radius * mPositionOffset, mItems.isChosen(i));
+            } else if(i+1 == mPosition && mPositionOffset < 0f) {
+                drawDot(canvas, (i + 1) * dx, y, radius - radius*mPositionOffset, mItems.isChosen(i));
+            } else if(i == mPosition) {
+                drawDot(canvas, (i + 1) * dx, y, radius + radius * (1 - Math.abs(mPositionOffset)), mItems.isChosen(i));
+            } else {
+                drawDot(canvas, (i + 1) * dx, y, radius, mItems.isChosen(i));
+            }
+        }
+    }
+
+    private void drawDot(Canvas canvas, float cx, float cy, float radius, boolean isChosen) {
+        if(isChosen) {
+            mTargetPaint.setStyle(Paint.Style.FILL_AND_STROKE);
+            canvas.drawCircle(cx, cy, radius, mTargetPaint);
+        } else {
+            mTargetPaint.setStyle(Paint.Style.STROKE);
+            canvas.drawCircle(cx, cy, radius, mTargetPaint);
+        }
+    }
+}