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STEP Export: include colors and alpha

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Make the color export work in KiCAD and Horison EDA which do not support
transparency.

Fixes: https://github.com/solvespace/solvespace/issues/452
https://github.com/solvespace/solvespace/pull/763
This commit is contained in:
ruevs 2020-10-22 09:59:35 +03:00
parent 400056cded
commit 0761339ec9
1 changed files with 10 additions and 11 deletions
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9
src/exportstep.cpp
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@ -281,22 +281,21 @@ void StepFileWriter::ExportSurface(SSurface *ss, SBezierList *sbl) {
fprintf(f, "#%d=COLOUR_RGB('',%.2f,%.2f,%.2f);\n", ++id, ss->color.redF(), fprintf(f, "#%d=COLOUR_RGB('',%.2f,%.2f,%.2f);\n", ++id, ss->color.redF(),
ss->color.greenF(), ss->color.blueF()); ss->color.greenF(), ss->color.blueF());
/* // This works in Kisters 3DViewStation but not in KiCAD and Horison EDA,
// it seems they do not support transparency so use the more verbose one below
fprintf(f, "#%d=SURFACE_STYLE_TRANSPARENT(%.2f);\n", ++id, 1.0 - ss->color.alphaF()); fprintf(f, "#%d=SURFACE_STYLE_TRANSPARENT(%.2f);\n", ++id, 1.0 - ss->color.alphaF());
fprintf(f, "#%d=SURFACE_STYLE_RENDERING_WITH_PROPERTIES(.NORMAL_SHADING.,#%d,(#%d));\n", fprintf(f, "#%d=SURFACE_STYLE_RENDERING_WITH_PROPERTIES(.NORMAL_SHADING.,#%d,(#%d));\n",
++id, id - 2, id - 1); ++id, id - 2, id - 1);
fprintf(f, "#%d=SURFACE_SIDE_STYLE('',(#%d));\n", ++id, id - 1); fprintf(f, "#%d=SURFACE_SIDE_STYLE('',(#%d));\n", ++id, id - 1);
*/
/* // This also works but is more verbose. // This works in Horison EDA but is more verbose.
fprintf(f, "#%d=FILL_AREA_STYLE_COLOUR('',#%d);\n", ++id, id - 1); fprintf(f, "#%d=FILL_AREA_STYLE_COLOUR('',#%d);\n", ++id, id - 1);
fprintf(f, "#%d=FILL_AREA_STYLE('',(#%d));\n", ++id, id - 1); fprintf(f, "#%d=FILL_AREA_STYLE('',(#%d));\n", ++id, id - 1);
fprintf(f, "#%d=SURFACE_STYLE_FILL_AREA(#%d);\n", ++id, id - 1); fprintf(f, "#%d=SURFACE_STYLE_FILL_AREA(#%d);\n", ++id, id - 1);
fprintf(f, "#%d=SURFACE_STYLE_TRANSPARENT(%.2f);\n", ++id, 1.0 - ss->color.alphaF()); fprintf(f, "#%d=SURFACE_STYLE_TRANSPARENT(%.2f);\n", ++id, 1.0 - ss->color.alphaF());
fprintf(f, "#%d=SURFACE_STYLE_RENDERING_WITH_PROPERTIES(.NORMAL_SHADING.,#%d,(#%d));\n", ++id, id - 5, id - 1); fprintf(f, "#%d=SURFACE_STYLE_RENDERING_WITH_PROPERTIES(.NORMAL_SHADING.,#%d,(#%d));\n", ++id, id - 5, id - 1);
fprintf(f, "#%d=SURFACE_SIDE_STYLE('',(#%d, #%d));\n", ++id, id - 3, id - 1); fprintf(f, "#%d=SURFACE_SIDE_STYLE('',(#%d, #%d));\n", ++id, id - 3, id - 1);
*/
fprintf(f, "#%d=SURFACE_STYLE_USAGE(.BOTH.,#%d);\n", ++id, id - 1); fprintf(f, "#%d=SURFACE_STYLE_USAGE(.BOTH.,#%d);\n", ++id, id - 1);
fprintf(f, "#%d=PRESENTATION_STYLE_ASSIGNMENT((#%d));\n", ++id, id - 1); fprintf(f, "#%d=PRESENTATION_STYLE_ASSIGNMENT((#%d));\n", ++id, id - 1);