feat: add write() module for advanced 3D text with auto-sizing and wrapping (#1642)#1963
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junhinhow wants to merge 1 commit intoBelfrySCAD:masterfrom
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feat: add write() module for advanced 3D text with auto-sizing and wrapping (#1642)#1963junhinhow wants to merge 1 commit intoBelfrySCAD:masterfrom
junhinhow wants to merge 1 commit intoBelfrySCAD:masterfrom
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…apping (BelfrySCAD#1642) New write.scad module with advanced 3D text API for BOSL2: write(text, h, font_size, font, width, height, box, align, valign, line_spacing, letter_space, margin, anchor, spin, orient): - Auto-sizing: without font_size, scales text to fit box - Word wrapping: with font_size + width, breaks at word boundaries - Multi-line: accepts array of strings or string with newlines - Alignment: horizontal (left/center/right) and vertical (top/center/bottom/baseline) - Configurable margin inside box - Full integration with BOSL2 attachable() system get_font_size(font_size, em_size, cap_height, cap_ratio): - Converts between typographic units (font_size, em, cap_height) - Automatically corrects OpenSCAD 0.72 factor Helper functions _wrap_line() and _wrap_words() for recursive word wrapping respecting width limits. Tests covering: get_font_size with 3 units, basic text, multi-line, auto-sizing, wrapping, alignments and attachment. Module not included in std.scad (use: include <BOSL2/write.scad>).
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Summary
New
write.scadmodule (not included in std.scad, requires separate include):write()module: advanced 3D text with:font_size+ providebox/width/height→ text scales to fitfont_size+width→ automatic line breaks at word boundaries\nnewlinesleft/center/right) and vertical (top/center/bottom/baseline)attachable()integration with anchor/spin/orientget_font_size()function: converts between typographic unitsfont_size(traditional point-like size)em_size(em square / font design box)cap_height(capital letter height, with configurable ratio)Usage:
include <BOSL2/std.scad>theninclude <BOSL2/write.scad>Test plan
get_font_size()returns correct values for all 3 unit typesAddresses #1642
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