| /* |
| * 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; |
| } |