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shapemap.cpp
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// SPDX-FileCopyrightText: 2011-2012 Tasos Varoudis
//
// SPDX-License-Identifier: GPL-3.0-or-later
// This is my code to make a set of axial lines from a set of boundary lines
#include "shapemap.hpp"
#include "attributetable.hpp"
#include "attributetablehelpers.hpp"
#include "parsers/mapinfodata.hpp" // for mapinfo interface
#include "pointmap.hpp"
#include "tolerances.hpp"
#include "genlib/containerutils.hpp"
#include "genlib/exceptions.hpp"
#include "genlib/readwritehelpers.hpp"
#include "genlib/stringutils.hpp"
#include <cmath>
#include <float.h>
#include <numeric>
#include <stdexcept>
#include <time.h>
#include <unordered_map>
#include <unordered_set>
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// the replacement for datalayers
ShapeMap::ShapeMap(const std::string &name, int type)
: AttributeMap(std::unique_ptr<AttributeTable>(new AttributeTable())), m_name(name),
m_mapType(type), m_objRef(-1), m_pixelShapes(0, 0), m_shapes(), m_undobuffer(),
m_connectors(), m_tolerance(0.0), m_links(), m_unlinks(), m_mapinfodata(),
m_hasMapInfoData(false), m_hasgraph(false), _padding0(0), _padding1(0) {
// shape and object counters
// data (MUST be set before use)
//
}
//////////////////////////////////////////////////////////////////////////////////////////
// this can be reinit as well
void ShapeMap::init(size_t size, const Region4f &r) {
m_rows = static_cast<size_t>(
std::min(std::max(20, static_cast<int>(sqrt(static_cast<double>(size)))), 32768));
m_cols = static_cast<size_t>(
std::min(std::max(20, static_cast<int>(sqrt(static_cast<double>(size)))), 32768));
if (m_region.atZero()) {
m_region = r;
} else {
m_region = m_region.runion(r);
}
// calculate geom data:
m_tolerance = std::max(m_region.width(), m_region.height()) * TOLERANCE_A;
//
m_pixelShapes = depthmapX::ColumnMatrix<std::vector<ShapeRef>>(m_rows, m_cols);
}
// this makes an exact copy, keep the reference numbers and so on:
void ShapeMap::copy(const ShapeMap &sourcemap, int copyflags, bool copyMapType) {
if (copyMapType) {
m_mapType = sourcemap.m_mapType;
}
if ((copyflags & ShapeMap::COPY_GEOMETRY) == ShapeMap::COPY_GEOMETRY) {
m_shapes.clear();
init(sourcemap.m_shapes.size(), sourcemap.m_region);
for (const auto &shape : sourcemap.m_shapes) {
// using makeShape is actually easier than thinking about a total copy:
makeShape(shape.second, shape.first);
// note that addShape automatically adds the attribute row
}
}
if ((copyflags & ShapeMap::COPY_ATTRIBUTES) == ShapeMap::COPY_ATTRIBUTES) {
// assumes attribute rows are filled in already
// TODO: Compatibility. The columns are sorted in the old implementation so
// they are also passed sorted in the conversion:
std::vector<size_t> indices(sourcemap.m_attributes->getNumColumns());
std::iota(indices.begin(), indices.end(), static_cast<size_t>(0));
std::sort(indices.begin(), indices.end(), [&](size_t a, size_t b) {
return sourcemap.m_attributes->getColumnName(a) <
sourcemap.m_attributes->getColumnName(b);
});
for (auto idx : indices) {
auto outcol =
m_attributes->insertOrResetColumn(sourcemap.m_attributes->getColumnName(idx));
// n.b. outcol not necessarily the same as incol, although row position in
// table (j) should match
auto targetIter = m_attributes->begin();
for (auto sourceIter = sourcemap.m_attributes->begin();
sourceIter != sourcemap.m_attributes->end(); sourceIter++) {
targetIter->getRow().setValue(outcol, sourceIter->getRow().getValue(idx));
targetIter++;
}
}
}
if ((copyflags & ShapeMap::COPY_GRAPH) == ShapeMap::COPY_GRAPH) {
if (sourcemap.m_hasgraph) {
m_hasgraph = true;
// straight copy:
m_connectors = sourcemap.m_connectors;
m_links = sourcemap.m_links;
m_unlinks = sourcemap.m_unlinks;
}
}
// copies mapinfodata (projection data) regardless of copy flags
if (sourcemap.hasMapInfoData()) {
m_mapinfodata = MapInfoData();
m_mapinfodata.m_coordsys = sourcemap.getMapInfoData().m_coordsys;
m_mapinfodata.m_bounds = sourcemap.getMapInfoData().m_bounds;
m_hasMapInfoData = true;
}
}
// Zaps all memory structures, apart from mapinfodata
void ShapeMap::clearAll() {
m_shapes.clear();
m_undobuffer.clear();
m_connectors.clear();
m_attributes->clear();
m_links.clear();
m_unlinks.clear();
m_region = Region4f();
m_objRef = -1;
}
///////////////////////////////////////////////////////////////////////////////////////////
int ShapeMap::makePointShapeWithRef(const Point2f &point, int shapeRef, bool tempshape,
const std::map<size_t, float> &extraAttributes) {
bool boundsGood = true;
if (!m_region.contains_touch(point)) {
boundsGood = false;
init(m_shapes.size(), Region4f(point, point));
}
m_shapes.insert(std::make_pair(shapeRef, SalaShape(point)));
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(shapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
if (!tempshape) {
auto &row = m_attributes->addRow(AttributeKey(shapeRef));
for (auto &attr : extraAttributes) {
row.setValue(static_cast<size_t>(attr.first), attr.second);
}
}
return shapeRef;
}
int ShapeMap::makePointShape(const Point2f &point, bool tempshape,
const std::map<size_t, float> &extraAttributes) {
return makePointShapeWithRef(point, getNextShapeKey(), tempshape, extraAttributes);
}
int ShapeMap::makeLineShapeWithRef(const Line4f &line, int shapeRef, bool throughUi, bool tempshape,
const std::map<size_t, float> &extraAttributes) {
bool boundsGood = true;
if (!(m_region.contains_touch(line.start()) && m_region.contains_touch(line.end()))) {
boundsGood = false;
init(m_shapes.size(), line);
}
// note, shape constructor sets centroid, length etc
m_shapes.insert(std::make_pair(shapeRef, SalaShape(line)));
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(shapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
if (!tempshape) {
auto &row = m_attributes->addRow(AttributeKey(shapeRef));
for (auto &attr : extraAttributes) {
row.setValue(attr.first, attr.second);
}
}
if (throughUi) {
// manually add connections:
if (m_hasgraph) {
auto rowid = depthmapX::findIndexFromKey(m_shapes, shapeRef);
if (rowid < 0) {
throw new depthmapX::RuntimeException(
"Shape reference " + std::to_string(shapeRef) + " not found to make line");
}
if (isAxialMap()) {
connectIntersected(
static_cast<size_t>(rowid),
true); // "true" means line-line intersections only will be applied
} else {
connectIntersected(static_cast<size_t>(rowid), false);
}
}
// if through ui, set undo counter:
m_undobuffer.push_back(SalaEvent(SalaEvent::SALA_CREATED, shapeRef));
}
return shapeRef;
}
int ShapeMap::getNextShapeKey() {
if (m_shapes.size() == 0)
return 0;
return m_shapes.rbegin()->first + 1;
}
int ShapeMap::makeLineShape(const Line4f &line, bool throughUi, bool tempshape,
const std::map<size_t, float> &extraAttributes) {
return makeLineShapeWithRef(line, getNextShapeKey(), throughUi, tempshape, extraAttributes);
}
int ShapeMap::makePolyShapeWithRef(const std::vector<Point2f> &points, bool open, int shapeRef,
bool tempshape, const std::map<size_t, float> &extraAttributes) {
bool boundsGood = true;
switch (points.size()) {
case 0:
return -1;
case 1:
return makePointShapeWithRef(points[0], shapeRef, tempshape);
case 2:
return makeLineShapeWithRef(Line4f(points[0], points[1]), shapeRef, false,
tempshape); // false is not through ui: there really should be a
// through ui here?
}
Region4f region(points[0], points[0]);
size_t i;
for (i = 1; i < points.size(); i++) {
region.encompass(points[i]);
}
if (!m_region.contains_touch(region.bottomLeft) || !m_region.contains_touch(region.topRight)) {
boundsGood = false;
init(m_shapes.size(), region);
}
size_t len = points.size();
// NOTE: This is commented out deliberately
// Sometimes you really do want a polyline that forms a loop
/*
if (points.head() == points.tail()) {
len--;
open = false;
}
*/
// not sure if it matters if the polygon is clockwise or anticlockwise...
// we'll soon tell!
if (open) {
m_shapes.insert(std::make_pair(shapeRef, SalaShape(SalaShape::SHAPE_POLY)));
} else {
m_shapes.insert(
std::make_pair(shapeRef, SalaShape(SalaShape::SHAPE_POLY | SalaShape::SHAPE_CLOSED)));
}
for (i = 0; i < len; i++) {
m_shapes.rbegin()->second.points.push_back(points[i]);
}
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(shapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
if (!tempshape) {
// set centroid now also adds a few other things: as well as area, perimeter
m_shapes.rbegin()->second.setCentroidAreaPerim();
auto &row = m_attributes->addRow(AttributeKey(shapeRef));
for (const auto &attr : extraAttributes) {
row.setValue(attr.first, attr.second);
}
}
return shapeRef;
}
int ShapeMap::makePolyShape(const std::vector<Point2f> &points, bool open, bool tempshape,
const std::map<size_t, float> &extraAttributes) {
return makePolyShapeWithRef(points, open, getNextShapeKey(), tempshape, extraAttributes);
}
int ShapeMap::makeShape(const SalaShape &poly, int overrideShapeRef,
const std::map<size_t, float> &extraAttributes) {
// overridden shape cannot exist:
if (overrideShapeRef != -1 && m_shapes.find(overrideShapeRef) != m_shapes.end()) {
return -1; // failure!
}
bool boundsGood = true;
if (!m_region.contains_touch(poly.m_region.bottomLeft) ||
!m_region.contains_touch(poly.m_region.topRight)) {
boundsGood = false;
init(m_shapes.size(), poly.m_region);
}
int shapeRef;
if (overrideShapeRef == -1) {
shapeRef = getNextShapeKey();
} else {
shapeRef = overrideShapeRef;
}
m_shapes.insert(std::make_pair(shapeRef, poly));
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(shapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
auto &row = m_attributes->addRow(AttributeKey(shapeRef));
for (auto &attr : extraAttributes) {
row.setValue(attr.first, attr.second);
}
return shapeRef;
}
int ShapeMap::makeShapeFromPointSet(const PointMap &pointmap, const std::set<int> &selSet) {
bool boundsGood = true;
PixelRefVector selset;
Point2f offset = Point2f(pointmap.getSpacing() / 2, pointmap.getSpacing() / 2);
for (auto &sel : selSet) {
selset.push_back(sel);
if (!m_region.contains_touch(pointmap.depixelate(sel) - offset) ||
!m_region.contains_touch(pointmap.depixelate(sel) + offset)) {
boundsGood = false;
}
}
if (!boundsGood) {
Region4f r(pointmap.getRegion().bottomLeft - offset,
pointmap.getRegion().topRight + offset);
init(m_shapes.size(), r);
}
std::map<int, int> relations;
for (size_t j = 0; j < selset.size(); j++) {
PixelRef pix = selset[j];
auto relation = relations.insert(std::make_pair(pix, ShapeRef::SHAPE_EDGE));
if (pointmap.includes(pix.right()) && selSet.find(pix.right()) != selSet.end()) {
relation.first->second &= ~ShapeRef::SHAPE_R;
}
if (pointmap.includes(pix.up()) && selSet.find(pix.up()) != selSet.end()) {
relation.first->second &= ~ShapeRef::SHAPE_T;
}
if (pointmap.includes(pix.down()) && selSet.find(pix.down()) != selSet.end()) {
relation.first->second &= ~ShapeRef::SHAPE_B;
}
if (pointmap.includes(pix.left()) && selSet.find(pix.left()) != selSet.end()) {
relation.first->second &= ~ShapeRef::SHAPE_L;
}
}
// now find pixel with SHAPE_B | SHAPE_L
PixelRef minpix = NoPixel;
for (auto &relation : relations) {
if ((relation.second & (ShapeRef::SHAPE_B | ShapeRef::SHAPE_L)) ==
(ShapeRef::SHAPE_B | ShapeRef::SHAPE_L)) {
if ((minpix == NoPixel) || (relation.first < static_cast<int>(minpix))) {
minpix = relation.first;
}
}
}
// now follow round anticlockwise...
SalaShape poly(SalaShape::SHAPE_POLY | SalaShape::SHAPE_CLOSED);
pointPixelBorder(pointmap, relations, poly, ShapeRef::SHAPE_L, minpix, minpix, true);
for (auto relation : relations) {
if (relation.second != 0) {
// more than one shape!
return -1;
}
}
poly.setCentroidAreaPerim();
int newShapeRef = getNextShapeKey();
m_shapes.insert(std::make_pair(newShapeRef, poly));
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(newShapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
m_attributes->addRow(AttributeKey(newShapeRef));
return newShapeRef;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
bool ShapeMap::convertPointsToPolys(
double polyRadius, std::optional<std::reference_wrapper<const std::set<int>>> selSet) {
// I'm not sure quite how easy this will be...
Region4f region;
bool doneSomething = false;
// replace the points with polys
for (auto shape : m_shapes) {
if (selSet.has_value() && selSet->get().find(shape.first) == selSet->get().end()) {
continue;
}
if (shape.second.isPoint()) {
doneSomething = true;
// remove old spatial index
removePolyPixels(shape.first);
// construct a poly from the point:
Point2f p = shape.second.getCentroid();
//
if (region.atZero()) {
region = Region4f(p, p);
}
// replace with a polygon:
shape.second = SalaShape(SalaShape::SHAPE_POLY | SalaShape::SHAPE_CLOSED);
for (int k = 0; k < 8; k++) {
Point2f polyP;
if (k == 0) {
polyP.x = p.x + polyRadius;
polyP.y = p.y;
} else if (k == 1) {
polyP.x = p.x + polyRadius * pafmath_M_ROOT_1_2;
polyP.y = p.y + polyRadius * pafmath_M_ROOT_1_2;
} else if (k == 2) {
polyP.x = p.x;
polyP.y = p.y + polyRadius;
} else if (k == 3) {
polyP.x = p.x - polyRadius * pafmath_M_ROOT_1_2;
polyP.y = p.y + polyRadius * pafmath_M_ROOT_1_2;
} else if (k == 4) {
polyP.x = p.x - polyRadius;
polyP.y = p.y;
} else if (k == 5) {
polyP.x = p.x - polyRadius * pafmath_M_ROOT_1_2;
polyP.y = p.y - polyRadius * pafmath_M_ROOT_1_2;
} else if (k == 6) {
polyP.x = p.x;
polyP.y = p.y - polyRadius;
} else if (k == 7) {
polyP.x = p.x + polyRadius * pafmath_M_ROOT_1_2;
polyP.y = p.y - polyRadius * pafmath_M_ROOT_1_2;
}
region.encompass(polyP);
shape.second.points.push_back(polyP);
}
shape.second.setCentroidAreaPerim();
}
}
if (doneSomething) {
// spatially reindex (simplest just to redo everything)
init(m_shapes.size(), region);
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
bool ShapeMap::moveShape(int shaperef, const Line4f &line, bool undoing) {
bool boundsGood = true;
auto shapeIter = m_shapes.find(shaperef);
if (shapeIter == m_shapes.end()) {
return false;
}
// remove shape from the pixel grid
removePolyPixels(shaperef); // done first, as all interface references use this list
if (!undoing) {
// set undo counter, but only if this is not an undo itself:
m_undobuffer.push_back(SalaEvent(SalaEvent::SALA_MOVED, shaperef));
m_undobuffer.back().geometry = shapeIter->second;
}
if (!(m_region.contains_touch(line.start()) && m_region.contains_touch(line.end()))) {
boundsGood = false;
init(m_shapes.size(), line);
}
shapeIter->second = SalaShape(line);
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(shaperef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
auto rowid = static_cast<size_t>(std::distance(m_shapes.begin(), shapeIter));
AttributeRow &row = m_attributes->getRow(AttributeKey(shapeIter->first));
// change connections:
if (m_hasgraph) {
const std::vector<size_t> oldconnections = m_connectors[rowid].connections;
auto connCol = m_attributes->getOrInsertLockedColumn("Connectivity");
if (isAxialMap()) {
// line connections optimised for line-line intersection
m_connectors[rowid].connections = getLineConnections(
shaperef, TOLERANCE_B * std::max(m_region.height(), m_region.width()));
} else {
m_connectors[rowid].connections = getShapeConnections(
shaperef, TOLERANCE_B * std::max(m_region.height(), m_region.width()));
}
std::vector<size_t> &newconnections = m_connectors[rowid].connections;
row.setValue(connCol, static_cast<float>(newconnections.size()));
if (isAxialMap()) {
auto lengCol = m_attributes->getOrInsertLockedColumn("Line Length");
row.setValue(
lengCol,
static_cast<float>(depthmapX::getMapAtIndex(m_shapes, rowid)->second.getLength()));
}
// now go through our old connections, and remove ourself:
for (auto oldconnection : oldconnections) {
if (oldconnection != rowid) { // <- exclude self!
auto &connections = m_connectors[static_cast<size_t>(oldconnection)].connections;
depthmapX::findAndErase(connections, rowid);
auto &oldConnectionRow = getAttributeRowFromShapeIndex(oldconnection);
oldConnectionRow.incrValue(connCol, -1.0f);
}
}
// now go through our new connections, and add ourself:
for (auto newconnection : m_connectors[rowid].connections) {
if (newconnection != rowid) { // <- exclude self!
depthmapX::insert_sorted(m_connectors[newconnection].connections, rowid);
auto &newConnectionRow = getAttributeRowFromShapeIndex(newconnection);
newConnectionRow.incrValue(connCol);
}
}
// now check any unlinks still exist in our newconnections are unlinked
// again (argh...)
for (auto revIter = m_unlinks.rbegin(); revIter != m_unlinks.rend(); ++revIter) {
std::optional<size_t> connb = std::nullopt;
if (revIter->a == rowid)
connb = revIter->b;
else if (revIter->b == rowid)
connb = revIter->a;
if (connb.has_value()) {
if (std::find(newconnections.begin(), newconnections.end(), connb) ==
newconnections.end()) {
// no longer required:
m_unlinks.erase(std::next(revIter).base());
} else {
// enforce:
depthmapX::findAndErase(newconnections, connb.value());
depthmapX::findAndErase(m_connectors[connb.value()].connections, rowid);
auto &connbRow = getAttributeRowFromShapeIndex(connb.value());
connbRow.incrValue(connCol, -1.0f);
row.incrValue(connCol, -1.0f);
}
}
}
// now check any links are actually required (argh...)
for (auto revIter = m_links.rbegin(); revIter != m_links.rend(); ++revIter) {
std::optional<size_t> connb = std::nullopt;
if (revIter->a == rowid)
connb = revIter->b;
else if (revIter->b == rowid)
connb = revIter->a;
if (connb.has_value()) {
if (std::find(newconnections.begin(), newconnections.end(), connb) !=
newconnections.end()) {
// no longer required:
m_links.erase(std::next(revIter).base());
} else {
// enforce:
depthmapX::insert_sorted(newconnections, connb.value());
depthmapX::insert_sorted(m_connectors[connb.value()].connections, rowid);
auto &connbRow = getAttributeRowFromShapeIndex(connb.value());
connbRow.incrValue(connCol);
row.incrValue(connCol);
}
}
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
// some functions to make a polygon from the UI
int ShapeMap::polyBegin(const Line4f &line) {
// add geometry
bool boundsGood = true;
if (!(m_region.contains_touch(line.start()) && m_region.contains_touch(line.end()))) {
boundsGood = false;
init(m_shapes.size(), line);
}
int newShapeRef = getNextShapeKey();
m_shapes.insert(std::make_pair(newShapeRef, SalaShape(line)));
m_shapes.rbegin()->second.m_centroid = line.getCentre();
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(newShapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
// insert into attributes
m_attributes->addRow(AttributeKey(newShapeRef));
// would usually set attributes here, but actually, really want
// to set the attributes only when the user completes the drawing
// change connections:
if (m_hasgraph) {
// dummy for now to ensure there is a row in the connector table
// so all indices match...
m_connectors.push_back(Connector());
}
// set undo counter:
m_undobuffer.push_back(SalaEvent(SalaEvent::SALA_CREATED, newShapeRef));
return newShapeRef;
}
bool ShapeMap::polyAppend(int shapeRef, const Point2f &point) {
// don't do anything too complex:
SalaShape &firstShape = m_shapes.rbegin()->second;
// check you can actually do this first
if (!(firstShape.isLine() || firstShape.isPolyLine())) {
return false;
}
// junk the old shape pixels:
removePolyPixels(shapeRef);
bool boundsGood = true;
if (!m_region.contains_touch(point)) {
boundsGood = false;
init(m_shapes.size(), Region4f(point, point));
}
if (firstShape.m_type == SalaShape::SHAPE_LINE) {
// convert it to a poly line:
firstShape.m_type = SalaShape::SHAPE_POLY;
firstShape.points.push_back(firstShape.m_region.t_start());
firstShape.points.push_back(firstShape.m_region.t_end());
}
// add new point:
firstShape.points.push_back(point);
if (boundsGood) {
// note: also sets polygon bounding box:
makePolyPixels(shapeRef);
} else {
// pixelate all polys in the pixel new structure:
for (const auto &shape : m_shapes) {
makePolyPixels(shape.first);
}
}
firstShape.setCentroidAreaPerim();
return true;
}
bool ShapeMap::polyClose(int shapeRef) {
// don't do anything too complex:
SalaShape &shape = m_shapes.rbegin()->second;
// check you can actually do this first
if (!shape.isPolyLine()) {
return false;
}
// junk the old shape pixels:
removePolyPixels(shapeRef);
shape.m_type |= SalaShape::SHAPE_CLOSED;
makePolyPixels(shapeRef);
return true;
}
bool ShapeMap::polyCancel(int shapeRef) {
// don't do anything too complex:
SalaShape &shape = m_shapes.rbegin()->second;
// check you can actually do this first
if (!(shape.isLine() || shape.isPolyLine())) {
return false;
}
m_undobuffer.pop_back();
removeShape(shapeRef, true);
return true;
}
void ShapeMap::removeShape(int shaperef, bool undoing) {
// remove shape from four keys: the pixel grid, the poly list, the attributes
// and the connections
removePolyPixels(shaperef); // done first, as all interface references use this list
auto shapeIter = m_shapes.find(shaperef);
if (shapeIter == m_shapes.end()) {
throw depthmapX::RuntimeException("Shape with ref " + std::to_string(shaperef) +
" not found when trying to remove it");
}
size_t rowid = static_cast<size_t>(std::distance(m_shapes.begin(), shapeIter));
if (!undoing) { // <- if not currently undoing another event, then add to the
// undo buffer:
m_undobuffer.push_back(SalaEvent(SalaEvent::SALA_DELETED, shaperef));
m_undobuffer.back().geometry = shapeIter->second;
}
if (m_hasgraph) {
// note that the connections have no key for speed when processing,
// we rely on the index order matching the index order of the shapes
// and the attributes, and simply change all references (ick!)
auto connCol = m_attributes->getColumnIndex("Connectivity");
// TODO: Replace with iterators
for (size_t i = m_connectors.size() - 1; static_cast<int>(i) != -1; i--) {
if (i == rowid) {
continue; // it's going to be removed anyway
}
for (size_t j = m_connectors[i].connections.size() - 1; static_cast<int>(j) != -1;
j--) {
if (m_connectors[i].connections[j] == rowid) {
m_connectors[i].connections.erase(m_connectors[i].connections.begin() +
static_cast<int>(j));
// getColumnIndex will throw if the column is not found
// if (conn_col != -1) {
auto &row = getAttributeRowFromShapeIndex(i);
row.incrValue(connCol, -1.0f);
// }
} else if (m_connectors[i].connections[j] > rowid) {
m_connectors[i].connections[j] -= 1;
}
}
// note, you cannot delete from a segment map, it's just too messy!
}
m_connectors.erase(m_connectors.begin() + static_cast<int>(rowid));
// take out explicit links and unlinks (note, undo won't restore these):
for (auto revIter = m_links.rbegin(); revIter != m_links.rend(); ++revIter) {
if (revIter->a == rowid || revIter->b == rowid) {
m_links.erase(std::next(revIter).base());
} else {
if (revIter->a > rowid)
revIter->a -= 1;
if (revIter->b > rowid)
revIter->b -= 1;
}
}
for (auto revIter = m_unlinks.rbegin(); revIter != m_unlinks.rend(); ++revIter) {
if (revIter->a == rowid || revIter->b == rowid) {
m_unlinks.erase(std::next(revIter).base());
} else {
if (revIter->a > rowid)
revIter->a -= 1;
if (revIter->b > rowid)
revIter->b -= 1;
}
}
}
if (shapeIter != m_shapes.end()) {
shapeIter = m_shapes.erase(shapeIter);
}
// n.b., shaperef should have been used to create the row in the first place:
const AttributeKey shapeRefKey(shaperef);
m_attributes->removeRow(shapeRefKey);
}
void ShapeMap::undo() {
if (m_undobuffer.size() == 0) {
return;
}
SalaEvent &event = m_undobuffer.back();
if (event.action == SalaEvent::SALA_CREATED) {
removeShape(event.shapeRef,
true); // <- note, must tell remove shape it's an undo, or it
// will add this remove to the undo stack!
} else if (event.action == SalaEvent::SALA_DELETED) {
makeShape(event.geometry, event.shapeRef);
auto rowIt = m_shapes.find(event.shapeRef);
if (rowIt != m_shapes.end() && m_hasgraph) {
auto rowid = static_cast<size_t>(std::distance(m_shapes.begin(), rowIt));
auto &row = m_attributes->getRow(AttributeKey(event.shapeRef));
// redo connections... n.b. TO DO this is intended to use the slower "any
// connection" method, so it can handle any sort of graph
// ...but that doesn't exist yet, so for the moment do lines:
//
// insert new connector at the row:
m_connectors[rowid] = Connector();
//
// now go through all connectors, ensuring they're reindexed above this
// one: Argh! ...but, remember the reason we're doing this is for fast
// processing elsewhere
// -- this is a user triggered *undo*, they'll just have to wait:
for (size_t i = 0; i < m_connectors.size(); i++) {
for (size_t j = 0; j < m_connectors[i].connections.size(); j++) {
if (m_connectors[i].connections[j] >= rowid) {
m_connectors[i].connections[j] += 1;
}
}
}
// it gets worse, the links and unlinks will also be all over the shop due
// to the inserted row:
size_t j;
for (j = 0; j < m_links.size(); j++) {
if (m_links[j].a >= rowid)
m_links[j].a += 1;
if (m_links[j].b >= rowid)
m_links[j].b += 1;
}
for (j = 0; j < m_unlinks.size(); j++) {
if (m_unlinks[j].a >= rowid)
m_unlinks[j].a += 1;
if (m_unlinks[j].b >= rowid)
m_unlinks[j].b += 1;
}
//
// calculate this line's connections
m_connectors[rowid].connections = getLineConnections(
event.shapeRef, TOLERANCE_B * std::max(m_region.height(), m_region.width()));
// update:
auto connCol = m_attributes->getOrInsertLockedColumn("Connectivity");
row.setValue(connCol, static_cast<float>(m_connectors[rowid].connections.size()));
//
if (event.geometry.isLine()) {
auto lengCol = m_attributes->getOrInsertLockedColumn("Line Length");
row.setValue(lengCol,
static_cast<float>(
depthmapX::getMapAtIndex(m_shapes, rowid)->second.getLength()));
}
//
// now go through our connections, and add ourself:
const auto &connections = m_connectors[rowid].connections;
for (auto connection : connections) {
if (connection != rowid) { // <- exclude self!
depthmapX::insert_sorted(m_connectors[connection].connections, rowid);
getAttributeRowFromShapeIndex(connection).incrValue(connCol);
}
}
}
} else if (event.action == SalaEvent::SALA_MOVED) {
moveShape(event.shapeRef, event.geometry.getLine(),
true); // <- note, must tell remove shape it's an undo, or it will
// add this remove to the undo stack!
}
m_undobuffer.pop_back();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
void ShapeMap::makePolyPixels(int polyref) {
// first add into pixels, and ensure you have a bl, tr for the set (useful for
// testing later)
auto shapeIter = m_shapes.find(polyref);
if (shapeIter == m_shapes.end()) {
throw depthmapX::RuntimeException("Shape " + std::to_string(polyref) +
" not found when making poly pixels");
}
SalaShape &poly = shapeIter->second;
if (poly.isClosed()) {
ShapeRef shapeRef = ShapeRef(static_cast<unsigned int>(polyref));
std::map<int, int> relations;
for (size_t k = 0; k < poly.points.size(); k++) {
int nextk = static_cast<int>((k + 1) % poly.points.size());
Line4f li(poly.points[k], poly.points[static_cast<size_t>(nextk)]);
if (k == 0) {
poly.m_region = li;
} else {
poly.m_region = poly.m_region.runion(li);
}
PixelRefVector pixels = pixelateLine(li);
// debug
// int duplicate_shaperefs = 0;
// end debug
for (size_t i = 0; i < pixels.size(); i++) {
PixelRef pix = pixels[i];
std::vector<ShapeRef> &pixShapes =
m_pixelShapes(static_cast<size_t>(pix.y), static_cast<size_t>(pix.x));
auto it = depthmapX::findBinary(pixShapes, shapeRef);
if (it == pixShapes.end()) {
pixShapes.push_back(shapeRef);
it = pixShapes.end() - 1;
}
it->polyrefs.push_back(static_cast<short>(k));
relations.insert(std::make_pair(pixels[i], ShapeRef::SHAPE_EDGE));
}
}
// erase joined sides, and look for min:
PixelRef minpix = NoPixel;
for (auto &relation : relations) {
PixelRef pix = relation.first;
PixelRef nextpix;
nextpix = pix.right();
if (includes(nextpix)) {
auto &pixShapes =
m_pixelShapes(static_cast<size_t>(nextpix.y), static_cast<size_t>(nextpix.x));
if (depthmapX::findBinary(pixShapes, shapeRef) != pixShapes.end()) {
relation.second &= ~ShapeRef::SHAPE_R;
}
}
nextpix = pix.up();
if (includes(nextpix)) {
auto &pixShapes =
m_pixelShapes(static_cast<size_t>(nextpix.y), static_cast<size_t>(nextpix.x));
if (depthmapX::findBinary(pixShapes, shapeRef) != pixShapes.end()) {
relation.second &= ~ShapeRef::SHAPE_T;
}
}
nextpix = pix.down();
if (includes(nextpix)) {
auto &pixShapes =
m_pixelShapes(static_cast<size_t>(nextpix.y), static_cast<size_t>(nextpix.x));
if (depthmapX::findBinary(pixShapes, shapeRef) != pixShapes.end()) {
relation.second &= ~ShapeRef::SHAPE_B;
}
}
nextpix = pix.left();
if (includes(nextpix)) {
auto &pixShapes =
m_pixelShapes(static_cast<size_t>(nextpix.y), static_cast<size_t>(nextpix.x));
if (depthmapX::findBinary(pixShapes, shapeRef) != pixShapes.end()) {
relation.second &= ~ShapeRef::SHAPE_L;
}
}