mirror of https://github.com/vitalif/openscad
minor code readability fixes
git-svn-id: http://svn.clifford.at/openscad/trunk@264 b57f626f-c46c-0410-a088-ec61d464b74cstl_dim
parent
a44e586611
commit
f0833fd560
88
dxfdata.cc
88
dxfdata.cc
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@ -36,20 +36,23 @@ DxfData::DxfData()
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{
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}
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/*!
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Reads a layer from the given file, or all layers if layename.isNull()
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*/
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DxfData::DxfData(double fn, double fs, double fa, QString filename, QString layername, double xorigin, double yorigin, double scale)
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{
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handle_dep(filename);
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QFile f(filename);
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handle_dep(filename); // Register ourselves as a dependency
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QFile f(filename);
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if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
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PRINTF("WARNING: Can't open DXF file `%s'.", filename.toAscii().data());
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PRINTF("WARNING: Can't open DXF file `%s'.", filename.toUtf8().data());
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return;
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}
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QTextStream stream(&f);
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QList<Line> lines;
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Grid2d< QVector<int> > grid;
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QHash< QString, QList<Line> > blockdata;
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QList<Line> lines; // Global lines
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QHash< QString, QList<Line> > blockdata; // Lines in blocks
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bool in_entities_section = false;
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bool in_blocks_section = false;
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@ -67,10 +70,11 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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grid.data(_p1x, _p1y).append(lines.count()); \
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grid.data(_p2x, _p2y).append(lines.count()); \
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if (in_entities_section) \
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lines.append(Line(p(_p1x, _p1y), p(_p2x, _p2y))); \
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lines.append( \
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Line(addPoint(_p1x, _p1y), addPoint(_p2x, _p2y))); \
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if (in_blocks_section && !current_block.isNull()) \
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blockdata[current_block].append( \
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Line(p(_p1x, _p1y), p(_p2x, _p2y))); \
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Line(addPoint(_p1x, _p1y), addPoint(_p2x, _p2y))); \
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} while (0)
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QString mode, layer, name, iddata;
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@ -86,6 +90,10 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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QHash<QString, int> unsupported_entities_list;
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//
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// Parse DXF file. Will populate this->points, this->dims, lines and blockdata
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//
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while (!stream.atEnd())
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{
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QString id_str = stream.readLine();
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@ -223,13 +231,13 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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}
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else if (mode == "DIMENSION" &&
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(layername.isNull() || layername == layer)) {
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dims.append(Dim());
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dims.last().type = dimtype;
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this->dims.append(Dim());
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this->dims.last().type = dimtype;
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for (int i = 0; i < 7; i++)
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for (int j = 0; j < 2; j++)
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dims.last().coords[i][j] = coords[i][j];
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dims.last().angle = start_angle;
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dims.last().name = name;
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this->dims.last().coords[i][j] = coords[i][j];
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this->dims.last().angle = start_angle;
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this->dims.last().name = name;
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}
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else if (mode == "BLOCK") {
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current_block = iddata;
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@ -309,6 +317,8 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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}
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}
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// Extract paths from parsed data
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QHash<int, int> enabled_lines;
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for (int i = 0; i < lines.count(); i++) {
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enabled_lines[i] = i;
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@ -338,8 +348,8 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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break;
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create_open_path:
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paths.append(Path());
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Path *this_path = &paths.last();
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this->paths.append(Path());
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Path *this_path = &this->paths.last();
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this_path->points.append(lines[current_line].p[current_point]);
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while (1) {
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@ -373,8 +383,8 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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{
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int current_line = enabled_lines.begin().value(), current_point = 0;
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paths.append(Path());
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Path *this_path = &paths.last();
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this->paths.append(Path());
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Path *this_path = &this->paths.last();
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this_path->is_closed = true;
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this_path->points.append(lines[current_line].p[current_point]);
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@ -408,10 +418,10 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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#if 0
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printf("----- DXF Data -----\n");
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for (int i = 0; i < paths.count(); i++) {
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printf("Path %d (%s):\n", i, paths[i].is_closed ? "closed" : "open");
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for (int j = 0; j < paths[i].points.count(); j++)
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printf(" %f %f\n", paths[i].points[j]->x, paths[i].points[j]->y);
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for (int i = 0; i < this->paths.count(); i++) {
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printf("Path %d (%s):\n", i, this->paths[i].is_closed ? "closed" : "open");
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for (int j = 0; j < this->paths[i].points.count(); j++)
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printf(" %f %f\n", this->paths[i].points[j]->x, this->paths[i].points[j]->y);
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}
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printf("--------------------\n");
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fflush(stdout);
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@ -420,27 +430,27 @@ DxfData::DxfData(double fn, double fs, double fa, QString filename, QString laye
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void DxfData::fixup_path_direction()
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{
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if (paths.count() > 0) {
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for (int i = 0; i < paths.count(); i++) {
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if (!paths[i].is_closed)
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if (this->paths.count() > 0) {
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for (int i = 0; i < this->paths.count(); i++) {
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if (!this->paths[i].is_closed)
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break;
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paths[i].is_inner = true;
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double min_x = paths[i].points[0]->x;
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this->paths[i].is_inner = true;
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double min_x = this->paths[i].points[0]->x;
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int min_x_point = 0;
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for (int j = 0; j < paths[i].points.count(); j++) {
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if (paths[i].points[j]->x < min_x) {
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min_x = paths[i].points[j]->x;
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for (int j = 0; j < this->paths[i].points.count(); j++) {
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if (this->paths[i].points[j]->x < min_x) {
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min_x = this->paths[i].points[j]->x;
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min_x_point = j;
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}
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}
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// rotate points if the path is in non-standard rotation
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int b = min_x_point;
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int a = b == 0 ? paths[i].points.count() - 2 : b - 1;
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int c = b == paths[i].points.count() - 1 ? 1 : b + 1;
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double ax = paths[i].points[a]->x - paths[i].points[b]->x;
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double ay = paths[i].points[a]->y - paths[i].points[b]->y;
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double cx = paths[i].points[c]->x - paths[i].points[b]->x;
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double cy = paths[i].points[c]->y - paths[i].points[b]->y;
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int a = b == 0 ? this->paths[i].points.count() - 2 : b - 1;
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int c = b == this->paths[i].points.count() - 1 ? 1 : b + 1;
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double ax = this->paths[i].points[a]->x - this->paths[i].points[b]->x;
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double ay = this->paths[i].points[a]->y - this->paths[i].points[b]->y;
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double cx = this->paths[i].points[c]->x - this->paths[i].points[b]->x;
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double cy = this->paths[i].points[c]->y - this->paths[i].points[b]->y;
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#if 0
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printf("Rotate check:\n");
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printf(" a/b/c indices = %d %d %d\n", a, b, c);
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@ -448,16 +458,16 @@ void DxfData::fixup_path_direction()
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printf(" b->c vector = %f %f (%f)\n", cx, cy, atan2(cx, cy));
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#endif
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if (atan2(ax, ay) < atan2(cx, cy)) {
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for (int j = 0; j < paths[i].points.count()/2; j++)
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paths[i].points.swap(j, paths[i].points.count()-1-j);
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for (int j = 0; j < this->paths[i].points.count()/2; j++)
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this->paths[i].points.swap(j, this->paths[i].points.count()-1-j);
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}
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}
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}
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}
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DxfData::Point *DxfData::p(double x, double y)
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DxfData::Point *DxfData::addPoint(double x, double y)
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{
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points.append(Point(x, y));
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return &points.last();
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this->points.append(Point(x, y));
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return &this->points.last();
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}
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@ -445,7 +445,7 @@ public:
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DxfData(double fn, double fs, double fa, QString filename, QString layername = QString(), double xorigin = 0.0, double yorigin = 0.0, double scale = 1.0);
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DxfData(const struct CGAL_Nef_polyhedron &N);
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Point *p(double x, double y);
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Point *addPoint(double x, double y);
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private:
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void fixup_path_direction();
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