Filip Leonarski
e2b240356c
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This is an UNSTABLE release. * jfjoch_broker: Report changes in the image buffer, so viewer doesn't reload constantly * jfjoch_viewer: Improve performance of loading images * jfjoch_viewer: Auto-throttle image loading in HTTP-sync / movie modes * jfjoch_viewer: Auto-foreground calculated with histogram * jfjoch_viewer: Fix rare segmentation fault Reviewed-on: #28 Co-authored-by: Filip Leonarski <filip.leonarski@psi.ch> Co-committed-by: Filip Leonarski <filip.leonarski@psi.ch>
78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#ifndef JFJOCH_JFJOCHREADERIMAGE_H
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#define JFJOCH_JFJOCHREADERIMAGE_H
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#include <vector>
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#include <unordered_set>
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#include <map>
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#include <mutex>
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#include <optional>
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#include "../common/TopPixels.h"
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#include "JFJochReaderDataset.h"
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#include "../common/CrystalLattice.h"
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#include "../common/Histogram.h"
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constexpr static int32_t GAP_PXL_VALUE = INT32_MIN + 1;
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constexpr static int32_t ERROR_PXL_VALUE = INT32_MIN;
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constexpr static int32_t SATURATED_PXL_VALUE = INT32_MAX;
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class JFJochReaderImage {
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std::shared_ptr<const JFJochReaderDataset> dataset;
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std::vector<int32_t> image; // Image in the reader must be 32-bit signed, uncompressed
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DataMessage message;
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std::unordered_set<int64_t> saturated_pixel;
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std::unordered_set<int64_t> error_pixel;
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std::vector<std::pair<int32_t, int32_t>> valid_pixel;
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// Fast stats without storing/sorting all valid pixels
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int32_t valid_min = 0;
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int32_t valid_max = 0;
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size_t valid_count = 0;
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bool has_valid = false;
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// For overlay: track top pixels with a tiny O(K) structure; export to vector for UI
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TopPixels top_pixels_acc{20};
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std::vector<std::pair<int32_t, int32_t>> top_pixels;
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// This histogram operates in square root of count from 0 to 10^20
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Histogram count_histogram{100000};
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constexpr static float auto_foreground_range = 99.0f;
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int32_t auto_foreground;
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void CalcAutoContrast();
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template <class T>
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void ProcessInputImage(const void* image, size_t npixel, int64_t sat_value, int64_t special_value);
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void ProcessInputImage(const CompressedImage& image);
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public:
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JFJochReaderImage(const DataMessage &msg, const std::shared_ptr<const JFJochReaderDataset> &dataset);
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JFJochReaderImage(const JFJochReaderImage &other);
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const DataMessage &ImageData() const;
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DataMessage &ImageData();
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const std::vector<int32_t> &Image() const;
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const std::unordered_set<int64_t> &SaturatedPixels() const;
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const std::unordered_set<int64_t> &ErrorPixels() const;
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const JFJochReaderDataset &Dataset() const;
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std::optional<std::pair<int32_t, int32_t>> ValidMinMax() const;
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const std::vector<std::pair<int32_t, int32_t>> &GetTopPixels() const;
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void AddImage(const JFJochReaderImage& other);
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std::vector<float> GetAzInt1D() const;
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std::vector<float> GetAzInt1D_BinToQ() const;
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std::shared_ptr<JFJochReaderDataset> CreateMutableDataset();
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int32_t GetAutoContrastValue() const;
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std::vector<float> GetHistogram() const;
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};
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#endif //JFJOCH_JFJOCHREADERIMAGE_H
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