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69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifdef ENABLE_VISION_VISUALIZE
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#include "fastdeploy/vision/visualize/visualize.h"
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namespace fastdeploy {
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namespace vision {
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int Visualize::num_classes_ = 0;
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std::vector<int> Visualize::color_map_ = std::vector<int>();
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static std::vector<int> global_fd_vis_color_map = std::vector<int>();
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std::vector<int> GenerateColorMap(int num_classes) {
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if (num_classes < 10) {
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num_classes = 10;
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}
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std::vector<int> color_map(num_classes * 3, 0);
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for (int i = 0; i < num_classes; ++i) {
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int j = 0;
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int lab = i;
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while (lab) {
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color_map[i * 3] |= (((lab >> 0) & 1) << (7 - j));
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color_map[i * 3 + 1] |= (((lab >> 1) & 1) << (7 - j));
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color_map[i * 3 + 2] |= (((lab >> 2) & 1) << (7 - j));
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++j;
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lab >>= 3;
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}
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}
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return color_map;
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}
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const std::vector<int>& Visualize::GetColorMap(int num_classes) {
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if (num_classes < num_classes_) {
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return color_map_;
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}
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num_classes_ = num_classes;
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std::vector<int>().swap(color_map_);
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color_map_.resize(3 * num_classes_, 0);
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for (int i = 0; i < num_classes_; ++i) {
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int j = 0;
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int lab = i;
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while (lab) {
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color_map_[i * 3] |= (((lab >> 0) & 1) << (7 - j));
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color_map_[i * 3 + 1] |= (((lab >> 1) & 1) << (7 - j));
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color_map_[i * 3 + 2] |= (((lab >> 2) & 1) << (7 - j));
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++j;
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lab >>= 3;
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}
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}
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return color_map_;
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}
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} // namespace vision
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} // namespace fastdeploy
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#endif
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