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Support writing SVG to scale

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This commit is contained in:
Thomas Krijnen
2020-08-25 15:01:07 +02:00
parent 34c51fa9be
commit c872ee8844
3 changed files with 50 additions and 10 deletions
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src/ifcconvert/IfcConvert.cpp
+14
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@@ -340,6 +340,7 @@ int main(int argc, char** argv) {
#endif
short precision;
double section_height;
std::string svg_scale;
po::options_description serializer_options("Serialization options");
serializer_options.add_options()
@@ -351,6 +352,9 @@ int main(int argc, char** argv) {
("bounds", po::value<std::string>(&bounds),
"Specifies the bounding rectangle, for example 512x512, to which the "
"output will be scaled. Only used when converting to SVG.")
("scale", po::value<std::string>(&svg_scale),
"Interprets SVG bounds in mm, centers layout and draw elements to scale. "
"Only used when converting to SVG. Example 1:100.")
("door-arcs", "Draw door openings arcs for IfcDoor elements")
("section-height", po::value<double>(&section_height),
"Specifies the cut section height for SVG 2D geometry.")
@@ -891,6 +895,16 @@ int main(int argc, char** argv) {
if (vmap.count("door-arcs")) {
static_cast<SvgSerializer*>(serializer.get())->setDrawDoorArcs(true);
}
if (vmap.count("scale")) {
int s0, s1;
if (sscanf(svg_scale.c_str(), "%u:%u", &s0, &s1) == 2 && s0 > 0 && s1 > 0) {
static_cast<SvgSerializer*>(serializer.get())->setScale((double)s0 / s1);
} else {
cerr_ << "[Error] Invalid use of --scale" << std::endl;
print_options(serializer_options);
return EXIT_FAILURE;
}
}
}
if (convert_back_units) {