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metagraphreadwrite.hpp
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// SPDX-FileCopyrightText: 2000-2010 University College London, Alasdair Turner
// SPDX-FileCopyrightText: 2011-2012 Tasos Varoudis
// SPDX-FileCopyrightText: 2024 Petros Koutsolampros
//
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include "alllinemap.hpp"
#include "fileproperties.hpp"
#include "metagraph.hpp"
#include "pointmap.hpp"
#include "shapegraph.hpp"
#include "genlib/exceptions.hpp"
#include "shapemapgroupdata.hpp"
#include <istream>
namespace MetaGraphReadWrite {
enum class ReadWriteStatus {
OK,
WARN_BUGGY_VERSION,
WARN_CONVERTED,
NOT_A_GRAPH,
DAMAGED_FILE,
DISK_ERROR,
NEWER_VERSION,
DEPRECATED_VERSION,
NOT_READ_YET
};
std::string getReadMessage(ReadWriteStatus readStatus);
class MetaGraphReadError : public depthmapX::BaseException {
public:
MetaGraphReadError(std::string message) : BaseException(std::move(message)) {}
};
// editable, show, displayed attribute
typedef std::tuple<bool, bool, int> ShapeMapDisplayData;
struct MetaGraphData {
ReadWriteStatus readWriteStatus = ReadWriteStatus::NOT_READ_YET;
int version = 0;
MetaGraph metaGraph;
std::vector<std::pair<ShapeMapGroupData, std::vector<ShapeMap>>> drawingFiles;
std::vector<PointMap> pointMaps;
std::vector<ShapeMap> dataMaps;
std::vector<ShapeGraph> shapeGraphs;
// The all-line map data are always placed at the end
// but only valid if the index is found
std::optional<AllLine::MapData> allLineMapData;
// sala does not handle display data anymore, however they are still found in
// the metagraphs, thus they are provided here for depthmapX (or other guis)
struct DisplayData {
int state = 0, viewClass = 0;
bool showGrid = false, showText = false;
bool displayedPointMapProcessed = false; // P.K: never written but read. Old files?
private:
[[maybe_unused]] unsigned _padding0 : 1 * 8;
[[maybe_unused]] unsigned _padding1 : 4 * 8;
public:
std::vector<std::vector<ShapeMapDisplayData>> perDrawingMap;
std::optional<unsigned int> displayedPointMap = std::nullopt;
std::vector<int> perPointMap;
std::optional<unsigned int> displayedDataMap = std::nullopt;
std::vector<ShapeMapDisplayData> perDataMap;
std::optional<unsigned int> displayedShapeGraph = std::nullopt;
std::vector<ShapeMapDisplayData> perShapeGraph;
DisplayData()
: _padding0(0), _padding1(0), perDrawingMap(), displayedPointMap(std::nullopt),
perPointMap(), displayedDataMap(std::nullopt), perDataMap(),
displayedShapeGraph(std::nullopt), perShapeGraph() {}
} displayData;
MetaGraphData()
: readWriteStatus(ReadWriteStatus::NOT_READ_YET), version(0), metaGraph(),
drawingFiles(), pointMaps(), dataMaps(), shapeGraphs(), allLineMapData(),
displayData() {}
};
Region4f readRegion(std::istream &stream);
std::tuple<std::vector<std::pair<ShapeMapGroupData, std::vector<ShapeMap>>>,
std::vector<std::vector<std::tuple<bool, bool, int>>>>
readDrawingFiles(std::istream &stream);
std::tuple<std::vector<ShapeGraph>, std::optional<AllLine::MapData>,
std::vector<ShapeMapDisplayData>, std::optional<unsigned int>>
readShapeGraphs(std::istream &stream);
template <typename ShapeGraphOrRef>
bool writeShapeGraphs(std::ostream &stream, const std::vector<ShapeGraphOrRef> &shapeGraphs,
const std::optional<AllLine::MapData> &allLineMapData,
const std::vector<std::tuple<bool, bool, int>> &perShapeGraph,
const std::optional<unsigned int> &displayedMap);
std::tuple<std::vector<ShapeMap>, std::vector<std::tuple<bool, bool, int>>,
std::optional<unsigned int>>
readDataMaps(std::istream &stream);
template <typename ShapeMapOrRef>
bool writeDataMaps(
std::ostream &stream, const std::vector<ShapeMapOrRef> &dataMaps,
const std::vector<ShapeMapDisplayData> &displayData = std::vector<ShapeMapDisplayData>(),
const std::optional<unsigned int> &displayedMap = 0);
std::tuple<std::vector<PointMap>, std::vector<int>, std::optional<unsigned int>>
readPointMaps(std::istream &stream, Region4f defaultRegion);
template <typename PointMapOrRef>
bool writePointMaps(std::ostream &stream, const std::vector<PointMapOrRef> &pointMaps,
const std::vector<int> &displayData = std::vector<int>(),
const std::optional<unsigned int> &displayedMap = 0);
template <typename ShapeMapOrRef>
bool writeSpacePixels(std::ostream &stream, const std::vector<ShapeMapOrRef> &spacePixels,
const std::vector<std::tuple<bool, bool, int>> &displayData);
std::streampos skipVirtualMem(std::istream &stream);
MetaGraphData readFromFile(const std::string &filename);
MetaGraphData readFromStream(std::istream &stream);
ReadWriteStatus writeToFile(const std::string &filename, const MetaGraphData &mgd);
template <typename PointMapOrRef, typename ShapeMapOrRef, typename ShapeGraphOrRef>
ReadWriteStatus writeToFile(
const std::string &filename,
// MetaGraph Data
const int version, const std::string &name, const Region4f ®ion,
const FileProperties &fileProperties,
const std::vector<std::pair<ShapeMapGroupData, std::vector<ShapeMapOrRef>>> &drawingFiles,
const std::vector<PointMapOrRef> &pointMaps, const std::vector<ShapeMapOrRef> &dataMaps,
const std::vector<ShapeGraphOrRef> &shapeGraphs,
const std::optional<AllLine::MapData> &allLineMapData,
// display data
const int state = 0, const int viewClass = 0, const bool showGrid = true,
const bool showText = true,
const std::vector<std::vector<ShapeMapDisplayData>> &perDrawingMap =
std::vector<std::vector<ShapeMapDisplayData>>(),
const std::optional<unsigned int> &displayedPointMap = std::nullopt,
const std::vector<int> &perPointMap = std::vector<int>(),
const std::optional<unsigned int> &displayedDataMap = std::nullopt,
const std::vector<ShapeMapDisplayData> &perDataMap = std::vector<ShapeMapDisplayData>(),
const std::optional<unsigned int> &displayedShapeGraph = std::nullopt,
const std::vector<ShapeMapDisplayData> &perShapeGraph = std::vector<ShapeMapDisplayData>());
ReadWriteStatus writeToStream(std::ostream &stream, const MetaGraphData &mgd);
template <typename PointMapOrRef, typename ShapeMapOrRef, typename ShapeGraphOrRef>
ReadWriteStatus writeToStream(
std::ostream &stream,
// MetaGraph Data
const int version, const std::string &name, const Region4f ®ion,
const FileProperties &fileProperties,
const std::vector<std::pair<ShapeMapGroupData, std::vector<ShapeMapOrRef>>> &drawingFiles,
const std::vector<PointMapOrRef> &pointMaps, const std::vector<ShapeMapOrRef> &dataMaps,
const std::vector<ShapeGraphOrRef> &shapeGraphs,
const std::optional<AllLine::MapData> &allLineMapData,
// display data
const int state = 0, const int viewClass = 0, const bool showGrid = true,
const bool showText = true,
const std::vector<std::vector<ShapeMapDisplayData>> &perDrawingMap =
std::vector<std::vector<ShapeMapDisplayData>>(),
const std::optional<unsigned int> &displayedPointMap = std::nullopt,
const std::vector<int> &perPointMap = std::vector<int>(),
const std::optional<unsigned int> &displayedDataMap = std::nullopt,
const std::vector<ShapeMapDisplayData> &perDataMap = std::vector<ShapeMapDisplayData>(),
const std::optional<unsigned int> &displayedShapeGraph = std::nullopt,
const std::vector<ShapeMapDisplayData> &perShapeGraph = std::vector<ShapeMapDisplayData>());
} // namespace MetaGraphReadWrite
// #include "metagraphreadwrite_impl.hpp"