Program Listing for File holoviz.hpp
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/*
* SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
#ifndef HOLOSCAN_OPERATORS_HOLOVIZ_HOLOVIZ_HPP
#define HOLOSCAN_OPERATORS_HOLOVIZ_HOLOVIZ_HPP
#include <memory>
#include <string>
#include <vector>
#include "holoscan/core/gxf/gxf_operator.hpp"
#include "holoscan/utils/cuda_stream_handler.hpp"
namespace holoscan::ops {
class HolovizOp : public Operator {
public:
HOLOSCAN_OPERATOR_FORWARD_ARGS(HolovizOp)
HolovizOp() = default;
void setup(OperatorSpec& spec) override;
void initialize() override;
void start() override;
void compute(InputContext& op_input, OutputContext& op_output,
ExecutionContext& context) override;
void stop() override;
enum class InputType {
UNKNOWN,
COLOR,
COLOR_LUT,
POINTS,
LINES,
LINE_STRIP,
TRIANGLES,
CROSSES,
RECTANGLES,
OVALS,
TEXT,
DEPTH_MAP,
DEPTH_MAP_COLOR
};
enum class DepthMapRenderMode {
POINTS,
LINES,
TRIANGLES
};
struct InputSpec {
InputSpec() = default;
InputSpec(const std::string tensor_name, InputType type)
: tensor_name_(tensor_name), type_(type) {}
explicit operator bool() const noexcept { return !tensor_name_.empty(); }
std::string tensor_name_;
InputType type_ = InputType::UNKNOWN;
float opacity_ = 1.f;
int32_t priority_ =
0;
std::vector<float> color_{1.f, 1.f, 1.f, 1.f};
float line_width_ = 1.f;
float point_size_ = 1.f;
std::vector<std::string> text_;
DepthMapRenderMode depth_map_render_mode_ =
DepthMapRenderMode::POINTS;
};
private:
void enable_conditional_port(const std::string& name);
bool check_port_enabled(const std::string& name);
Parameter<std::vector<holoscan::IOSpec*>> receivers_;
Parameter<holoscan::IOSpec*> render_buffer_input_;
Parameter<holoscan::IOSpec*> render_buffer_output_;
Parameter<std::vector<InputSpec>> tensors_;
Parameter<std::vector<std::vector<float>>> color_lut_;
Parameter<std::string> window_title_;
Parameter<std::string> display_name_;
Parameter<uint32_t> width_;
Parameter<uint32_t> height_;
Parameter<float> framerate_;
Parameter<bool> use_exclusive_display_;
Parameter<bool> fullscreen_;
Parameter<bool> headless_;
Parameter<std::shared_ptr<BooleanCondition>> window_close_scheduling_term_;
Parameter<std::shared_ptr<Allocator>> allocator_;
Parameter<std::string> font_path_;
// internal state
std::vector<float> lut_;
std::vector<InputSpec> input_spec_;
CudaStreamHandler cuda_stream_handler_;
bool render_buffer_input_enabled_;
bool render_buffer_output_enabled_;
bool is_first_tick_ = true;
};
} // namespace holoscan::ops
#endif/* HOLOSCAN_OPERATORS_HOLOVIZ_HOLOVIZ_HPP */