![]() ![]() To solve the problem of vector fonts taking a long time to display on the slow computers of the 1980s, Autodesk ® invented the SHX format: the simpler the font, the fewer the lines, the faster the display. Computers didn't have much horsepower, and text was one of the slowest parts of the drawing display. In the early days of CAD, fonts were coded to be highly efficient. 00DīricsCAD uses shapes for fonts, text in complex line types, and shapes. Multiple x,y displacements terminated with (0,0) code.Īrc defined by x,y displacement and bulge. Push the current location onto the stack.ĭraw the subshape number given by the next byte. Multiply vector lengths by the next byte. 4 - the third character specifies the direction of the vectorġ3Multiple bulge-specified arcs.
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