From fae8532b05b8c3cd79cd09a6b1986bc8ff9ad306 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 18 Aug 2021 21:28:58 +0200 Subject: svg-flatten: Fix include/exclude logic --- svg-flatten/src/main.cpp | 9 +++++ svg-flatten/src/svg_doc.cpp | 44 +++++++++++++++++------- svg-flatten/src/test/svg_tests.py | 71 +++++++++++++++++++++++++++++++++------ 3 files changed, 100 insertions(+), 24 deletions(-) (limited to 'svg-flatten/src') diff --git a/svg-flatten/src/main.cpp b/svg-flatten/src/main.cpp index 54ce896..8512547 100644 --- a/svg-flatten/src/main.cpp +++ b/svg-flatten/src/main.cpp @@ -377,6 +377,15 @@ int main(int argc, char **argv) { return EXIT_FAILURE; } + /* + cerr << "Selectors:" << endl; + for (auto &elem : sel.include) { + cerr << " + " << elem << endl; + } + for (auto &elem : sel.exclude) { + cerr << " - " << elem << endl; + } + */ doc.render(rset, *top_sink, sel); remove(frob.c_str()); diff --git a/svg-flatten/src/svg_doc.cpp b/svg-flatten/src/svg_doc.cpp index d90e00d..5a27163 100644 --- a/svg-flatten/src/svg_doc.cpp +++ b/svg-flatten/src/svg_doc.cpp @@ -108,9 +108,10 @@ double gerbolyze::SVGDocument::doc_units_to_mm(double px) const { return px / (vb_w / page_w_mm); } -bool IDElementSelector::match(const pugi::xml_node &node, bool included, bool is_root) const { +bool IDElementSelector::match(const pugi::xml_node &node, bool is_toplevel, bool parent_include) const { string id = node.attribute("id").value(); - if (is_root && layers) { + cerr << "match id=" << id << " toplevel=" << is_toplevel << " parent=" << parent_include << endl; + if (is_toplevel && layers) { bool layer_match = std::find(layers->begin(), layers->end(), id) != layers->end(); if (!layer_match) { cerr << "Rejecting layer \"" << id << "\"" << endl; @@ -123,12 +124,24 @@ bool IDElementSelector::match(const pugi::xml_node &node, bool included, bool is bool include_match = std::find(include.begin(), include.end(), id) != include.end(); bool exclude_match = std::find(exclude.begin(), exclude.end(), id) != exclude.end(); + cerr << " excl=" << exclude_match << " incl=" << include_match << endl; - if (exclude_match || (!included && !include_match)) { + if (is_toplevel) { + if (!include.empty()) + parent_include = false; + else + parent_include = true; + } + + if (exclude_match) { return false; } - return true; + if (include_match) { + return true; + } + + return parent_include; } /* Recursively export all SVG elements in the given group. */ @@ -164,11 +177,10 @@ void gerbolyze::SVGDocument::export_svg_group(RenderContext &ctx, const pugi::xm /* Iterate over the group's children, exporting them one by one. */ for (const auto &node : group.children()) { - if (!ctx.match(node)) - continue; - string name(node.name()); - RenderContext elem_ctx(ctx, xform2d(node.attribute("transform").value()), clip_path); + bool match = ctx.match(node); + RenderContext elem_ctx(ctx, xform2d(node.attribute("transform").value()), clip_path, match); + if (name == "g") { if (ctx.root()) { /* Treat top-level groups as "layers" like inkscape does. */ cerr << "Forwarding layer name to sink: \"" << node.attribute("id").value() << "\"" << endl; @@ -184,9 +196,15 @@ void gerbolyze::SVGDocument::export_svg_group(RenderContext &ctx, const pugi::xm } } else if (name == "path") { + if (!match) + continue; + export_svg_path(elem_ctx, node); } else if (name == "image") { + if (!match) + continue; + ImageVectorizer *vec = ctx.settings().m_vec_sel.select(node); if (!vec) { cerr << "Cannot resolve vectorizer for node \"" << node.attribute("id").value() << "\"" << endl; @@ -261,7 +279,7 @@ void gerbolyze::SVGDocument::export_svg_path(RenderContext &ctx, const pugi::xml } else { PolyTreeToPaths(ptree_fill, fill_paths); - RenderContext local_ctx(ctx, xform2d(), fill_paths); + RenderContext local_ctx(ctx, xform2d(), fill_paths, true); pattern->tile(local_ctx); } @@ -366,7 +384,7 @@ void gerbolyze::SVGDocument::export_svg_path(RenderContext &ctx, const pugi::xml } else { Paths clip; PolyTreeToPaths(ptree, clip); - RenderContext local_ctx(ctx, xform2d(), clip); + RenderContext local_ctx(ctx, xform2d(), clip, true); pattern->tile(local_ctx); } @@ -490,16 +508,16 @@ gerbolyze::RenderContext::RenderContext(const RenderSettings &settings, } gerbolyze::RenderContext::RenderContext(RenderContext &parent, xform2d transform) : - RenderContext(parent, transform, parent.clip()) + RenderContext(parent, transform, parent.clip(), parent.included()) { } -gerbolyze::RenderContext::RenderContext(RenderContext &parent, xform2d transform, ClipperLib::Paths &clip) : +gerbolyze::RenderContext::RenderContext(RenderContext &parent, xform2d transform, ClipperLib::Paths &clip, bool included) : m_sink(parent.sink()), m_settings(parent.settings()), m_mat(parent.mat()), m_root(false), - m_included(parent.included()), + m_included(included), m_sel(parent.sel()), m_clip(clip) { diff --git a/svg-flatten/src/test/svg_tests.py b/svg-flatten/src/test/svg_tests.py index c2e5d50..4db827e 100644 --- a/svg-flatten/src/test/svg_tests.py +++ b/svg-flatten/src/test/svg_tests.py @@ -82,7 +82,7 @@ class SVGRoundTripTests(unittest.TestCase): 'pattern_stroke_dashed' } - def compare_images(self, reference, output, test_name, mean, vectorizer_test=False, rsvg_workaround=False): + def compare_images(self, reference, output, test_name, mean=test_mean_default, vectorizer_test=False, rsvg_workaround=False): ref, out = Image.open(reference), Image.open(output) if vectorizer_test: @@ -116,6 +116,49 @@ class SVGRoundTripTests(unittest.TestCase): self.assertTrue(delta.mean() < mean, f'Expected mean pixel difference between images to be <{mean}, was {delta.mean():.5g}') + + def run_svg_group_selector_test(self, mode, groups): + test_in_svg = 'testdata/group_test_input.svg' + + with tempfile.NamedTemporaryFile(suffix='.svg') as tmp_out_svg,\ + tempfile.NamedTemporaryFile(suffix='.svg') as tmp_ref_svg,\ + tempfile.NamedTemporaryFile(suffix='.png') as tmp_out_png,\ + tempfile.NamedTemporaryFile(suffix='.png') as tmp_in_png: + + if mode == 'inc': + group_arg = { 'only_groups': ','.join(groups) } + elif mode == 'exc': + group_arg = { 'exclude_groups': ','.join(groups) } + run_svg_flatten(test_in_svg, tmp_out_svg.name, format='svg', **group_arg) + + with open(test_in_svg, 'r') as in_f: + with open(tmp_ref_svg.name, 'w') as out_f: + if mode == 'inc': + css = '#layer1 { fill: none; }\n' + css += '\n'.join(f'#{group} {{ fill: black; }}' for group in groups) + elif mode == 'exc': + css = '\n'.join(f'#{group} {{ fill: none; }}' for group in groups) + else: + raise ValueError(f'invalid mode "{mode}"') + out_f.write(in_f.read().replace('/* {CSS GOES HERE} */', css)) + + run_cargo_cmd('resvg', [tmp_out_svg.name, tmp_out_png.name], check=True, stdout=subprocess.DEVNULL) + run_cargo_cmd('resvg', [tmp_ref_svg.name, tmp_in_png.name], check=True, stdout=subprocess.DEVNULL) + + tc_id = f'group_sel_test_{mode}_{"_".join(groups)}' + try: + self.compare_images(tmp_in_png, tmp_out_png, tc_id, mean=0.001) + + except AssertionError as e: + shutil.copyfile(tmp_in_png.name, f'/tmp/gerbolyze-fail-{tc_id}-in.png') + shutil.copyfile(tmp_out_png.name, f'/tmp/gerbolyze-fail-{tc_id}-out.png') + msg, *rest = e.args + msg += '\nFailing test renderings copied to:\n' + msg += f' /tmp/gerbolyze-fail-{tc_id}-{{in|out}}.png\n' + e.args = (msg, *rest) + raise e + + def run_svg_round_trip_test(self, test_in_svg): with tempfile.NamedTemporaryFile(suffix='.svg') as tmp_out_svg,\ tempfile.NamedTemporaryFile(suffix='.png') as tmp_out_png,\ @@ -128,18 +171,18 @@ class SVGRoundTripTests(unittest.TestCase): if not vectorizer_test: run_svg_flatten(test_in_svg, tmp_out_svg.name, format='svg') - else: - run_svg_flatten(test_in_svg, tmp_out_svg.name, format='svg', - svg_white_is_gerber_dark=True, - clear_color='black', dark_color='white') - - if contours_test: + elif contours_test: run_svg_flatten(test_in_svg, tmp_out_svg.name, clear_color='black', dark_color='white', svg_white_is_gerber_dark=True, format='svg', vectorizer='binary-contours') + else: + run_svg_flatten(test_in_svg, tmp_out_svg.name, format='svg', + svg_white_is_gerber_dark=True, + clear_color='black', dark_color='white') + if not use_rsvg: # default! run_cargo_cmd('resvg', [tmp_out_svg.name, tmp_out_png.name], check=True, stdout=subprocess.DEVNULL) run_cargo_cmd('resvg', [test_in_svg, tmp_in_png.name], check=True, stdout=subprocess.DEVNULL) @@ -156,10 +199,10 @@ class SVGRoundTripTests(unittest.TestCase): except AssertionError as e: shutil.copyfile(tmp_in_png.name, f'/tmp/gerbolyze-fail-{test_in_svg.stem}-in.png') shutil.copyfile(tmp_out_png.name, f'/tmp/gerbolyze-fail-{test_in_svg.stem}-out.png') - foo = list(e.args) - foo[0] += '\nFailing test renderings copied to:\n' - foo[0] += f' /tmp/gerbolyze-fail-{test_in_svg.stem}-{{in|out}}.png\n' - e.args = tuple(foo) + msg, *rest = e.args + msg += '\nFailing test renderings copied to:\n' + msg += f' /tmp/gerbolyze-fail-{test_in_svg.stem}-{{in|out}}.png\n' + e.args = (msg, *rest) raise e for test_in_svg in Path('testdata/svg').glob('*.svg'): @@ -167,5 +210,11 @@ for test_in_svg in Path('testdata/svg').glob('*.svg'): gen = lambda testcase: lambda self: self.run_svg_round_trip_test(testcase) setattr(SVGRoundTripTests, f'test_{test_in_svg.stem}', gen(test_in_svg)) +for group in ["g0", "g00", "g000", "g0000", "g00000", "g0001", "g001", "g0010", "g002", "g01", "g010", "g0100", "g011", + "g02", "g020", "g03", "path846-59", "path846-3-2", "path846-5-2", "path846-3-3-8"]: + gen = lambda mode, group: lambda self: self.run_svg_group_selector_test(mode, group) + setattr(SVGRoundTripTests, f'test_group_sel_inc_{group}', gen('inc', [group])) + setattr(SVGRoundTripTests, f'test_group_sel_exc_{group}', gen('exc', [group])) + if __name__ == '__main__': unittest.main() -- cgit