TestUtils.cpp revision 16c9d6a92e1b86d448c00c52a1630f3e71e6df76
116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck/* 216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Copyright (C) 2015 The Android Open Source Project 316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Licensed under the Apache License, Version 2.0 (the "License"); 516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * you may not use this file except in compliance with the License. 616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * You may obtain a copy of the License at 716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * http://www.apache.org/licenses/LICENSE-2.0 916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * 1016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * Unless required by applicable law or agreed to in writing, software 1116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * distributed under the License is distributed on an "AS IS" BASIS, 1216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * See the License for the specific language governing permissions and 1416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck * limitations under the License. 1516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck */ 1616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 1716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck#include "TestUtils.h" 1816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 1916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Recknamespace android { 2016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Recknamespace uirenderer { 2116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 2216c9d6a92e1b86d448c00c52a1630f3e71e6df76John ReckSkColor TestUtils::interpolateColor(float fraction, SkColor start, SkColor end) { 2316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startA = (start >> 24) & 0xff; 2416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startR = (start >> 16) & 0xff; 2516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startG = (start >> 8) & 0xff; 2616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int startB = start & 0xff; 2716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 2816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endA = (end >> 24) & 0xff; 2916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endR = (end >> 16) & 0xff; 3016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endG = (end >> 8) & 0xff; 3116c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck int endB = end & 0xff; 3216c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 3316c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck return (int)((startA + (int)(fraction * (endA - startA))) << 24) 3416c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startR + (int)(fraction * (endR - startR))) << 16) 3516c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startG + (int)(fraction * (endG - startG))) << 8) 3616c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck | (int)((startB + (int)(fraction * (endB - startB)))); 3716c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} 3816c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck 3916c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} /* namespace uirenderer */ 4016c9d6a92e1b86d448c00c52a1630f3e71e6df76John Reck} /* namespace android */ 41