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Add an option to export a symbol's texts as DXF block attributes (#1339)

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With symbols as blocks and the new "DXF : textes des symboles en
attributs" option (--dxf-attributes on the command line), a symbol's own
texts (its label, function, comment...) are attributes of its INSERT
instead of loose texts, so a CAD program moves them with the symbol and
can list or edit them. Each is written exactly where, and as, the text
was. A text showing an information field is tagged with its name
(LABEL, FUNCTION...), a typed text TEXT1, TEXT2...; a text's second line
gets _2. The block defines each tag once, placed where the first symbol
has it.

Its own option, off by default, because LibreCAD (2.2.1.5) does not
show attributes: the labels would vanish there. AutoCAD shows them.

The text geometry moves into textLines(), shared with the text loop,
so the attributes and the plain texts cannot drift apart.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
ispyisail
2026-10-07 09:56:26 +13:00
parent c3ed2daca8
commit 9699b314b0
11 changed files with 266 additions and 43 deletions
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sources/createdxf.cpp
+42 -1
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@@ -393,7 +393,7 @@ void Createdxf::drawInsert(const QString &fileName,
To_Dxf << 0 << "\r\n";
To_Dxf << "ATTRIB" << "\r\n";
To_Dxf << 8 << "\r\n";
To_Dxf << layer << "\r\n";
To_Dxf << (attribute.layer.isEmpty() ? layer : attribute.layer) << "\r\n";
To_Dxf << 62 << "\r\n";
To_Dxf << entityColour(attribute.colour) << "\r\n";
To_Dxf << 10 << "\r\n";
@@ -424,6 +424,47 @@ void Createdxf::drawInsert(const QString &fileName,
file.close();
}
/**
@brief Createdxf::drawAttdef
Define an attribute of the block being written (between
dxfBlockBegin() and dxfBlockEnd()): its tag, where it sits and how it
looks; @a attribute's text is the default value.
*/
void Createdxf::drawAttdef(const QString &fileName, const Attribute &attribute)
{
QFile file(fileName);
if (!file.open(QFile::Append))
return;
QTextStream To_Dxf(&file);
To_Dxf << 0 << "\r\n";
To_Dxf << "ATTDEF" << "\r\n";
To_Dxf << 8 << "\r\n";
To_Dxf << (attribute.layer.isEmpty() ? layer : attribute.layer) << "\r\n";
To_Dxf << 62 << "\r\n";
To_Dxf << entityColour(attribute.colour) << "\r\n";
To_Dxf << 10 << "\r\n";
To_Dxf << attribute.x << "\r\n";
To_Dxf << 20 << "\r\n";
To_Dxf << attribute.y << "\r\n";
To_Dxf << 30 << "\r\n";
To_Dxf << 0.0 << "\r\n";
To_Dxf << 40 << "\r\n";
To_Dxf << attribute.height << "\r\n";
To_Dxf << 1 << "\r\n";
To_Dxf << singleLine(attribute.text) << "\r\n";
To_Dxf << 3 << "\r\n";
To_Dxf << attribute.tag << "\r\n";
To_Dxf << 2 << "\r\n";
To_Dxf << attribute.tag << "\r\n";
To_Dxf << 70 << "\r\n";
To_Dxf << (attribute.invisible ? 1 : 0) << "\r\n";
To_Dxf << 50 << "\r\n";
To_Dxf << attribute.rotation << "\r\n";
To_Dxf << 41 << "\r\n";
To_Dxf << attribute.xScaleW << "\r\n";
file.close();
}
/**
@brief Createdxf::blockName
@return @a name as a block or attribute name an R10 reader accepts: