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Diffstat (limited to 'svg-flatten/src/svg_doc.cpp')
-rw-r--r--svg-flatten/src/svg_doc.cpp115
1 files changed, 70 insertions, 45 deletions
diff --git a/svg-flatten/src/svg_doc.cpp b/svg-flatten/src/svg_doc.cpp
index b7ae61b..48ee56d 100644
--- a/svg-flatten/src/svg_doc.cpp
+++ b/svg-flatten/src/svg_doc.cpp
@@ -237,8 +237,12 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
ClosedPathsFromPolyTree(ptree_stroke, closed_paths);
PolyTreeToPaths(ptree_fill, fill_paths);
- /* Skip filling for transparent fills */
- if (fill_color) {
+ bool has_fill = fill_color;
+ bool has_stroke = stroke_color && stroke_width > 0.0;
+
+ /* Skip filling for transparent fills. In outline mode, skip filling if a stroke is also set to avoid double lines.
+ */
+ if (fill_color && !(rset.outline_mode && has_stroke)) {
/* Clip paths. Consider all paths closed for filling. */
if (!clip_path.empty()) {
Clipper c;
@@ -262,6 +266,10 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
}
} else { /* solid fill */
+ if (rset.outline_mode) {
+ fill_color = GRB_DARK;
+ }
+
Paths f_polys;
/* Important for gerber spec compliance and also for reliable rendering results irrespective of board house
* and gerber viewer. */
@@ -274,81 +282,98 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
out.push_back(std::array<double, 2>{
((double)p.X) / clipper_scale, ((double)p.Y) / clipper_scale
});
+
+ /* In outline mode, manually close polys */
+ if (rset.outline_mode && !out.empty())
+ out.push_back(out[0]);
+
*polygon_sink << (fill_color == GRB_DARK ? GRB_POL_DARK : GRB_POL_CLEAR) << out;
}
}
}
- if (stroke_color && stroke_width > 0.0) {
+ if (has_stroke) {
ClipperOffset offx;
offx.ArcTolerance = 0.01 * clipper_scale; /* 10µm; TODO: Make this configurable */
/* For stroking we have to separately handle open and closed paths */
- for (const auto &poly : closed_paths) {
- if (poly.empty()) /* do we need this? */
+ for (auto &poly : closed_paths) {
+ if (poly.empty())
continue;
/* Special case: A closed path becomes a number of open paths when it is dashed. */
if (dasharray.empty()) {
- offx.AddPath(poly, join_type, etClosedLine);
+
+ if (rset.outline_mode) {
+ /* In outline mode, manually close polys */
+ poly.push_back(poly[0]);
+ *polygon_sink << poly;
+
+ } else {
+ offx.AddPath(poly, join_type, etClosedLine);
+ }
} else {
Path poly_copy(poly);
poly_copy.push_back(poly[0]);
Paths out;
dash_path(poly_copy, out, dasharray);
- offx.AddPaths(out, join_type, end_type);
+
+ if (rset.outline_mode) {
+ *polygon_sink << out;
+ } else {
+ offx.AddPaths(out, join_type, end_type);
+ }
}
}
for (const auto &poly : open_paths) {
Paths out;
dash_path(poly, out, dasharray);
- offx.AddPaths(out, join_type, end_type);
- }
- /* Execute clipper offset operation to generate stroke outlines */
- offx.Execute(ptree, 0.5 * stroke_width * clipper_scale);
+ if (rset.outline_mode) {
+ *polygon_sink << out;
+ } else {
+ offx.AddPaths(out, join_type, end_type);
+ }
+ }
- /* Clip. Note that after the outline, all we have is closed paths as any open path's stroke outline is itself
- * a closed path. */
- if (!clip_path.empty()) {
- Clipper c;
+ if (!rset.outline_mode) {
+ /* Execute clipper offset operation to generate stroke outlines */
+ offx.Execute(ptree, 0.5 * stroke_width * clipper_scale);
+
+ /* Clip. Note that after the outline, all we have is closed paths as any open path's stroke outline is itself
+ * a closed path. */
+ if (!clip_path.empty()) {
+ Clipper c;
+
+ Paths outline_paths;
+ PolyTreeToPaths(ptree, outline_paths);
+ c.AddPaths(outline_paths, ptSubject, /* closed */ true);
+ c.AddPaths(clip_path, ptClip, /* closed */ true);
+ c.StrictlySimple(true);
+ /* fill rules are nonzero since both subject and clip have already been normalized by clipper. */
+ c.Execute(ctIntersection, ptree, pftNonZero, pftNonZero);
+ }
- Paths outline_paths;
- PolyTreeToPaths(ptree, outline_paths);
- c.AddPaths(outline_paths, ptSubject, /* closed */ true);
- c.AddPaths(clip_path, ptClip, /* closed */ true);
- c.StrictlySimple(true);
- /* fill rules are nonzero since both subject and clip have already been normalized by clipper. */
- c.Execute(ctIntersection, ptree, pftNonZero, pftNonZero);
- }
+ /* Call out to pattern tiler for pattern strokes. The stroke's outline becomes the clip here. */
+ if (stroke_color == GRB_PATTERN_FILL) {
+ string stroke_pattern_id = usvg_id_url(node.attribute("stroke").value());
+ Pattern *pattern = lookup_pattern(stroke_pattern_id);
+ if (!pattern) {
+ cerr << "Warning: Fill pattern with id \"" << stroke_pattern_id << "\" not found." << endl;
- /* Call out to pattern tiler for pattern strokes. The stroke's outline becomes the clip here. */
- if (stroke_color == GRB_PATTERN_FILL) {
- string stroke_pattern_id = usvg_id_url(node.attribute("stroke").value());
- Pattern *pattern = lookup_pattern(stroke_pattern_id);
- if (!pattern) {
- cerr << "Warning: Fill pattern with id \"" << stroke_pattern_id << "\" not found." << endl;
+ } else {
+ Paths clip;
+ PolyTreeToPaths(ptree, clip);
+ pattern->tile(local_xf, rset, clip);
+ }
} else {
- Paths clip;
- PolyTreeToPaths(ptree, clip);
- pattern->tile(local_xf, rset, clip);
- }
+ Paths s_polys;
+ dehole_polytree(ptree, s_polys);
- } else {
- Paths s_polys;
- dehole_polytree(ptree, s_polys);
-
- /* export gerber */
- for (const auto &poly : s_polys) {
- vector<array<double, 2>> out;
- for (const auto &p : poly)
- out.push_back(std::array<double, 2>{
- ((double)p.X) / clipper_scale, ((double)p.Y) / clipper_scale
- });
- *polygon_sink << (stroke_color == GRB_DARK ? GRB_POL_DARK : GRB_POL_CLEAR) << out;
+ *polygon_sink << (stroke_color == GRB_DARK ? GRB_POL_DARK : GRB_POL_CLEAR) << s_polys;
}
}
}
generated by cgit (git 2.34.1) at 2024-11-04 22:01:30 +0000