55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include <cmath>
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#include "ROICircle.h"
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#include "JFJochException.h"
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ROICircle::ROICircle(const std::string &name, float in_x, float in_y, float in_r_pxl)
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: ROIElement(name), center_x(in_x), center_y(in_y), r_pxl(in_r_pxl) {
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if (r_pxl <= 0.0)
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"ROIRectangle::MarkROI mismatch in input array size");
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}
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float ROICircle::GetX() const {
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return center_x;
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}
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float ROICircle::GetY() const {
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return center_y;
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}
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float ROICircle::GetRadius_pxl() const {
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return r_pxl;
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}
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void ROICircle::MarkROI(std::vector<uint16_t> &v, uint16_t value_to_mark, int64_t xpixel, int64_t ypixel) const {
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if (v.size() != xpixel * ypixel)
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"ROICircle::MarkROI mismatch in input array size");
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float r_pxl_sq = r_pxl * r_pxl;
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if (value_to_mark >= 16)
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"ROICircle: Only 16-bit available for ROI");
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for (int64_t y = 0; y < ypixel; y++) {
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for (int64_t x = 0; x < xpixel; x++) {
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float x_fl = static_cast<float>(x) - center_x;
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float y_fl = static_cast<float>(y) - center_y;
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float dist_from_center_sq = x_fl * x_fl + y_fl * y_fl;
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if (dist_from_center_sq <= r_pxl_sq)
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v[y * xpixel + x] |= (1<<value_to_mark);
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}
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}
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}
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ROIConfig ROICircle::ExportMetadata() const {
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return ROIConfig{
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.type = ROIConfig::ROIType::Circle,
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.name = name,
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.circle = ROIConfigCircle{.r = r_pxl, .x = center_x, .y = center_y}
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};
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} |