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-rw-r--r--svg-flatten/src/main.cpp5
-rw-r--r--svg-flatten/src/svg_pattern.cpp23
2 files changed, 28 insertions, 0 deletions
diff --git a/svg-flatten/src/main.cpp b/svg-flatten/src/main.cpp
index 188aa57..35fcbfb 100644
--- a/svg-flatten/src/main.cpp
+++ b/svg-flatten/src/main.cpp
@@ -73,6 +73,9 @@ int main(int argc, char **argv) {
{"flip_svg_color_interpretation", {"-i", "--svg-white-is-gerber-dark"},
"Flip polarity of SVG color interpretation. This affects only SVG primitives like paths and NOT embedded bitmaps. With -i: white -> silk there/\"dark\" gerber primitive.",
0},
+ {"pattern_complete_tiles_only", {"--pattern-complete-tiles-only"},
+ "Break SVG spec by only rendering complete pattern tiles, i.e. pattern tiles that entirely fit the target area, instead of performing clipping.",
+ 0},
{"min_feature_size", {"-d", "--trace-space"},
"Minimum feature size of elements in vectorized graphics (trace/space) in mm. Default: 0.1mm.",
1},
@@ -423,6 +426,7 @@ int main(int argc, char **argv) {
VectorizerSelectorizer vec_sel(vectorizer, args["vectorizer_map"] ? args["vectorizer_map"].as<string>() : "");
bool flip_svg_colors = args["flip_svg_color_interpretation"];
+ bool pattern_complete_tiles_only = args["pattern_complete_tiles_only"];
RenderSettings rset {
min_feature_size,
@@ -431,6 +435,7 @@ int main(int argc, char **argv) {
vec_sel,
outline_mode,
flip_svg_colors,
+ pattern_complete_tiles_only,
};
SVGDocument doc;
diff --git a/svg-flatten/src/svg_pattern.cpp b/svg-flatten/src/svg_pattern.cpp
index cdff7a7..fc74d73 100644
--- a/svg-flatten/src/svg_pattern.cpp
+++ b/svg-flatten/src/svg_pattern.cpp
@@ -108,6 +108,29 @@ void gerbolyze::Pattern::tile (gerbolyze::RenderContext &ctx) {
/* Export the pattern tile's content like a group */
RenderContext elem_ctx(pat_ctx, elem_xf);
+
+ if (ctx.settings().pattern_complete_tiles_only) {
+ ClipperLib::Clipper c;
+
+ double eps = 1e-6;
+ Polygon poly = {{eps, eps}, {inst_w-eps, eps}, {inst_w-eps, inst_h-eps}, {eps, inst_h-eps}};
+ elem_ctx.mat().transform_polygon(poly);
+ ClipperLib::Path path(poly.size());
+ for (size_t i=0; i<poly.size(); i++) {
+ long long int x = poly[i][0] * clipper_scale, y = poly[i][1] * clipper_scale;
+ path[i] = {x, y};
+ }
+
+ ClipperLib::Paths out;
+ c.StrictlySimple(true);
+ c.AddPath(path, ClipperLib::ptSubject, /* closed */ true);
+ c.AddPaths(elem_ctx.clip(), ClipperLib::ptClip, /* closed */ true);
+ c.Execute(ClipperLib::ctDifference, out, ClipperLib::pftNonZero);
+ if (out.size() > 0) {
+ continue;
+ }
+ }
+
doc->export_svg_group(elem_ctx, _node);
}
}