![]() This routine changes text insertations in such a way that the text position remains as drawn, which delivers also the functionality you are looking for. Note that there is a scale factor (code 41) on the width and MTEXT entities can contains formatting codes. There is also True Type versions of the main SHX files (they are installed with Inventor I think). You will then have to lookup into this table to compute the width of a particular string. You can also make an AutoCAD plugin (using ObjectARX or another API) to compute the width of each character and store these widths in a big table. ![]() Reverse engineering of these files can be tedious and be considered illegal if you're living in the US for example. Here is the description of SHP files, which are compiled into SHX : shx files, in order to compute the width of each character. AUTOCAD VBA TEXT WIDTH FACTOR WINDOWSIf the fonts used are TTF, you can use Windows API to find the width of a particular line of text. If this was windows programming I would use windows API functions to get metrics about the font being used, but autocad does not seem to have any analogy to this. AUTOCAD VBA TEXT WIDTH FACTOR HOW TOBut I am particularly stuck on how to get the width since each character is a different width and there could be any number of different fonts. ![]() I can also get the rotation and height scale factors from the same place. I get the origin point and alignment point (if any) from the TEXT entity entry in the DXF file. This is very complicated considering that each element may have a different font, different text style, different scale, different orientation, rotation, etc. (In case anyone is using different terminology, to me a bounding box is a hypothetical rectangle that could be drawn such that the text exactly fits inside the rectangle) I need to calculate the coordinates of the vertices of the bounding box for each text element. I have AutoCAD drawings in ASCII DXF format. I fear this is one of those questions with no simple answer. ![]()
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7/1/2023 02:47:01 pm
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