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DXF: export freehand and zigzag lines as continuous, with a message. 

Previously, this resulted in a crash even with no such lines present.
pull/19/head
whitequark 2016-06-29 16:47:23 +00:00
parent 131acc5e56
commit da1fc3fd70
1 changed files with 29 additions and 11 deletions
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36
src/exportvector.cpp
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@ -138,9 +138,12 @@ public:
// Routines for DXF export
//-----------------------------------------------------------------------------
class DxfWriteInterface : public DRW_Interface {
public:
DxfFileWriter *writer;
dxfRW *dxf;
std::set<std::string> messages;
static DRW_Coord toCoord(const Vector &v) {
return DRW_Coord(v.x, v.y, v.z);
}
@ -149,10 +152,6 @@ class DxfWriteInterface : public DRW_Interface {
return writer->Transform(v);
}
public:
DxfWriteInterface(DxfFileWriter *w, dxfRW *dxfrw) :
writer(w), dxf(dxfrw) {}
void writeTextstyles() override {
DRW_Textstyle ts;
ts.name = "unicode";
@ -238,7 +237,8 @@ public:
case StipplePattern::FREEHAND:
case StipplePattern::ZIGZAG:
ssassert(false, "Freehand and zigzag export not implemented");
// Not implemented; exported as continuous.
break;
}
dxf->writeLineType(&type);
}
@ -462,6 +462,12 @@ public:
entity->lineType = DxfFileWriter::lineTypeName(s->stippleType);
entity->ltypeScale = Style::StippleScaleMm(s->h);
entity->setWidthMm(Style::WidthMm(hs.v));
if(s->stippleType == StipplePattern::FREEHAND) {
messages.insert("freehand lines were replaced with continuous lines");
} else if(s->stippleType == StipplePattern::ZIGZAG) {
messages.insert("zigzag lines were replaced with continuous lines");
}
}
void assignDimensionDefaults(DRW_Dimension *dimension, hStyle hs) {
@ -696,10 +702,21 @@ void DxfFileWriter::Bezier(SBezier *sb) {
void DxfFileWriter::FinishAndCloseFile() {
dxfRW dxf(filename.c_str());
DxfWriteInterface interface(this, &dxf);
DxfWriteInterface interface = {};
interface.writer = this;
interface.dxf = &dxf;
dxf.write(&interface, DRW::AC1021, /*bin=*/false);
paths.clear();
constraint = NULL;
if(!interface.messages.empty()) {
std::string text = "Some aspects of the drawing have no DXF equivalent and "
"were not exported:\n";
for(const std::string &message : interface.messages) {
text += " * " + message + "\n";
}
Message(text.c_str());
}
}
bool DxfFileWriter::NeedToOutput(Constraint *c) {
@ -726,11 +743,12 @@ const char *DxfFileWriter::lineTypeName(StipplePattern stippleType) {
case StipplePattern::DASH_DOT: return "DASHDOT";
case StipplePattern::DASH_DOT_DOT: return "DIVIDE";
case StipplePattern::DOT: return "DOT";
case StipplePattern::FREEHAND: return "CONTINUOUS";
case StipplePattern::ZIGZAG: return "CONTINUOUS";
}
case StipplePattern::FREEHAND:
case StipplePattern::ZIGZAG:
/* no corresponding DXF line type */
return "CONTINUOUS";
}
}
//-----------------------------------------------------------------------------