content: /*
   * Copyright (C) 2018 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.view.shadow;
  
  /**
   * Constant values for shadow related configuration
   */
  class ShadowConstants {
  
      /**
       * This is used as a factor by which to scale down the shadow bitmap. If we have world
       * Width x Height, shadow bitmap will be Width/SCALE_DOWN x Height/SCALE_DOWN and during
       * canvas draw the shadow will be scaled up, resulting faster perf (due to smaller bitmap) but
       * blurrier (lower quality) shadow.
       */
      public static final int SCALE_DOWN = 5;
  
      public static final float MIN_ALPHA = 0.2f;
  
      public static final int SPOT_SHADOW_RAYS = 40;
      public static final int SPOT_SHADOW_LAYERS = 1;
      public static final int SPOT_SHADOW_LIGHT_SOURCE_POINTS = 4;
      public static final int SPOT_SHADOW_LIGHT_Z_HEIGHT_DP = 50 / SCALE_DOWN;
      public static final int SPOT_SHADOW_LIGHT_Z_EPSILON = 10 / SCALE_DOWN;
      public static final float SPOT_SHADOW_STRENGTH = 0.3f;
  
      public static final float AMBIENT_SHADOW_EDGE_SCALE = 60f;
      public static final float AMBIENT_SHADOW_SHADOW_BOUND = 0.02f * SCALE_DOWN;
      public static final int AMBIENT_SHADOW_RAYS = 120;
      public static final int AMBIENT_SHADOW_LAYERS = 1;
      public static final float AMBIENT_SHADOW_STRENGTH = 1.0f;
  
      public static final int COORDINATE_SIZE = 3;
      public static final int RECT_VERTICES_SIZE = 4;
  
      public static final int SPLICE_ROUNDED_EDGE = 5;
  }
  