content: /*
   * Copyright (C) 2006 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 android.graphics.drawable;
  
  import android.graphics.drawable.shapes.RoundRectShape;
  import android.content.res.Resources;
  import android.content.res.TypedArray;
  import android.util.AttributeSet;
  
  import org.xmlpull.v1.XmlPullParser;
  
  /**
   * Drawable that draws its bounds in the given paint, with optional
   * rounded corners.
  */
  public class PaintDrawable extends ShapeDrawable {
  
      public PaintDrawable() {
      }
  
      public PaintDrawable(int color) {
          getPaint().setColor(color);
      }
  
      /**
       * Specify radius for the corners of the rectangle. If this is > 0, then the
       * drawable is drawn in a round-rectangle, rather than a rectangle.
       * @param radius the radius for the corners of the rectangle
       */
      public void setCornerRadius(float radius) {
          float[] radii = null;
          if (radius > 0) {
              radii = new float[8];
              for (int i = 0; i < 8; i++) {
                  radii[i] = radius;
              }
          }
          setCornerRadii(radii);
      }
  
      /**
       * Specify radii for each of the 4 corners. For each corner, the array
       * contains 2 values, [X_radius, Y_radius]. The corners are ordered
       * top-left, top-right, bottom-right, bottom-left
       * @param radii the x and y radii of the corners
       */
      public void setCornerRadii(float[] radii) {
          if (radii == null) {
              if (getShape() != null) {
                  setShape(null);
              }
          } else {
              setShape(new RoundRectShape(radii, null, null));
          }
          invalidateSelf();
      }
  
      @Override
      protected boolean inflateTag(String name, Resources r, XmlPullParser parser,
                                   AttributeSet attrs) {
          if (name.equals("corners")) {
              TypedArray a = r.obtainAttributes(attrs,
                                          com.android.internal.R.styleable.DrawableCorners);
              int radius = a.getDimensionPixelSize(
                                  com.android.internal.R.styleable.DrawableCorners_radius, 0);
              setCornerRadius(radius);
  
              // now check of they have any per-corner radii
  
              int topLeftRadius = a.getDimensionPixelSize(
                      com.android.internal.R.styleable.DrawableCorners_topLeftRadius, radius);
              int topRightRadius = a.getDimensionPixelSize(
                      com.android.internal.R.styleable.DrawableCorners_topRightRadius, radius);
              int bottomLeftRadius = a.getDimensionPixelSize(
                  com.android.internal.R.styleable.DrawableCorners_bottomLeftRadius, radius);
              int bottomRightRadius = a.getDimensionPixelSize(
                  com.android.internal.R.styleable.DrawableCorners_bottomRightRadius, radius);
  
              if (topLeftRadius != radius || topRightRadius != radius ||
                      bottomLeftRadius != radius || bottomRightRadius != radius) {
                  setCornerRadii(new float[] {
                                 topLeftRadius, topLeftRadius,
                                 topRightRadius, topRightRadius,
                                 bottomLeftRadius, bottomLeftRadius,
                                 bottomRightRadius, bottomRightRadius
                                 });
              }
              a.recycle();
              return true;
          }
          return super.inflateTag(name, r, parser, attrs);
      }
  }
  
  