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-rw-r--r--svg-flatten/src/svg_doc.cpp19
-rw-r--r--svg-flatten/src/svg_path.cpp23
-rw-r--r--svg-flatten/src/svg_path.h2
-rw-r--r--svg-flatten/src/test/svg_tests.py55
-rw-r--r--svg-flatten/testdata/svg/circles.svg1
-rw-r--r--svg-flatten/testdata/svg/compound_xform.svg1
-rw-r--r--svg-flatten/testdata/svg/empty.svg1
-rw-r--r--svg-flatten/testdata/svg/empty_inkscape.svg1
-rw-r--r--svg-flatten/testdata/svg/groups.svg1
-rw-r--r--svg-flatten/testdata/svg/pattern_fill.svg1
-rw-r--r--svg-flatten/testdata/svg/pattern_stroke.svg1
-rw-r--r--svg-flatten/testdata/svg/pattern_stroke_dashed.svg1
-rw-r--r--svg-flatten/testdata/svg/rect.svg1
-rw-r--r--svg-flatten/testdata/svg/rect_occlusion.svg1
-rw-r--r--svg-flatten/testdata/svg/rotation.svg1
-rw-r--r--svg-flatten/testdata/svg/rotation_90.svg1
-rw-r--r--svg-flatten/testdata/svg/scale.svg1
-rw-r--r--svg-flatten/testdata/svg/shear.svg1
-rw-r--r--svg-flatten/testdata/svg/stroke.svg1
-rw-r--r--svg-flatten/testdata/svg/stroke_caps.svg1
-rw-r--r--svg-flatten/testdata/svg/stroke_dashes.svg1
-rw-r--r--svg-flatten/testdata/svg/stroke_joins.svg1
-rw-r--r--svg-flatten/testdata/svg/text.svg1
23 files changed, 91 insertions, 27 deletions
diff --git a/svg-flatten/src/svg_doc.cpp b/svg-flatten/src/svg_doc.cpp
index 1d85fd8..aae5abf 100644
--- a/svg-flatten/src/svg_doc.cpp
+++ b/svg-flatten/src/svg_doc.cpp
@@ -218,7 +218,7 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
vector<double> dasharray;
parse_dasharray(node, dasharray);
double stroke_dashoffset = usvg_double_attr(node, "stroke-dashoffset", /* default */ 0.0);
- /* TODO add stroke-miterlimit */
+ double stroke_miterlimit = usvg_double_attr(node, "stroke-miterlimit", /* default */ 4.0);
if (!fill_color && !stroke_color) { /* Ignore "transparent" paths */
return;
@@ -230,14 +230,12 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
/* FIXME transform stroke width here? */
stroke_width = local_xf.doc2phys_dist(stroke_width);
- PolyTree ptree_stroke;
+ Paths stroke_open, stroke_closed;
PolyTree ptree_fill;
PolyTree ptree;
- load_svg_path(local_xf, node, ptree_stroke, ptree_fill, rset.curve_tolerance_mm);
+ load_svg_path(local_xf, node, stroke_open, stroke_closed, ptree_fill, rset.curve_tolerance_mm);
- Paths open_paths, closed_paths, fill_paths;
- OpenPathsFromPolyTree(ptree_stroke, open_paths);
- ClosedPathsFromPolyTree(ptree_stroke, closed_paths);
+ Paths fill_paths;
PolyTreeToPaths(ptree_fill, fill_paths);
bool has_fill = fill_color;
@@ -299,9 +297,10 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
if (has_stroke) {
ClipperOffset offx;
offx.ArcTolerance = 0.01 * clipper_scale; /* 10µm; TODO: Make this configurable */
+ offx.MiterLimit = stroke_miterlimit;
/* For stroking we have to separately handle open and closed paths */
- for (auto &poly : closed_paths) {
+ for (auto &poly : stroke_closed) {
if (poly.empty())
continue;
@@ -331,7 +330,7 @@ void gerbolyze::SVGDocument::export_svg_path(xform2d &mat, const RenderSettings
}
}
- for (const auto &poly : open_paths) {
+ for (const auto &poly : stroke_open) {
Paths out;
dash_path(poly, out, dasharray, stroke_dashoffset);
@@ -440,13 +439,13 @@ void gerbolyze::SVGDocument::load_clips(const RenderSettings &rset) {
* rendering, and the only way a group might stay is if it affects rasterization (e.g. through mask, clipPath).
*/
for (const auto &child : node.children("path")) {
- PolyTree ptree_stroke; /* discarded */
+ Paths _stroke_open, _stroke_closed; /* discarded */
PolyTree ptree_fill;
/* TODO: we currently only support clipPathUnits="userSpaceOnUse", not "objectBoundingBox". */
xform2d child_xf(local_xf);
child_xf.transform(xform2d(child.attribute("transform").value()));
- load_svg_path(child_xf, child, ptree_stroke, ptree_fill, rset.curve_tolerance_mm);
+ load_svg_path(child_xf, child, _stroke_open, _stroke_closed, ptree_fill, rset.curve_tolerance_mm);
Paths paths;
PolyTreeToPaths(ptree_fill, paths);
diff --git a/svg-flatten/src/svg_path.cpp b/svg-flatten/src/svg_path.cpp
index 8b5be9e..f122626 100644
--- a/svg-flatten/src/svg_path.cpp
+++ b/svg-flatten/src/svg_path.cpp
@@ -28,7 +28,7 @@
using namespace std;
-static pair<bool, bool> flatten_path(gerbolyze::xform2d &mat, ClipperLib::Clipper &c_stroke, ClipperLib::Clipper &c_fill, const pugi::char_t *path_data, double distance_tolerance_mm) {
+static pair<bool, bool> flatten_path(gerbolyze::xform2d &mat, ClipperLib::Paths &stroke_open, ClipperLib::Paths &stroke_closed, ClipperLib::Clipper &c_fill, const pugi::char_t *path_data, double distance_tolerance_mm) {
istringstream in(path_data);
string cmd;
@@ -45,7 +45,7 @@ static pair<bool, bool> flatten_path(gerbolyze::xform2d &mat, ClipperLib::Clippe
assert(!first || cmd == "M");
if (cmd == "Z") { /* Close path */
- c_stroke.AddPath(in_poly, ClipperLib::ptSubject, true);
+ stroke_closed.push_back(in_poly);
c_fill.AddPath(in_poly, ClipperLib::ptSubject, true);
has_closed = true;
@@ -54,7 +54,7 @@ static pair<bool, bool> flatten_path(gerbolyze::xform2d &mat, ClipperLib::Clippe
} else if (cmd == "M") { /* Move to */
if (!first && !in_poly.empty()) {
- c_stroke.AddPath(in_poly, ClipperLib::ptSubject, false);
+ stroke_open.push_back(in_poly);
c_fill.AddPath(in_poly, ClipperLib::ptSubject, true);
num_subpaths += 1;
in_poly.clear();
@@ -114,7 +114,7 @@ static pair<bool, bool> flatten_path(gerbolyze::xform2d &mat, ClipperLib::Clippe
}
if (!in_poly.empty()) {
- c_stroke.AddPath(in_poly, ClipperLib::ptSubject, false);
+ stroke_open.push_back(in_poly);
c_fill.AddPath(in_poly, ClipperLib::ptSubject, true);
num_subpaths += 1;
}
@@ -122,18 +122,16 @@ static pair<bool, bool> flatten_path(gerbolyze::xform2d &mat, ClipperLib::Clippe
return {has_closed, num_subpaths > 1};
}
-void gerbolyze::load_svg_path(xform2d &mat, const pugi::xml_node &node, ClipperLib::PolyTree &ptree_stroke, ClipperLib::PolyTree &ptree_fill, double curve_tolerance) {
+void gerbolyze::load_svg_path(xform2d &mat, const pugi::xml_node &node, ClipperLib::Paths &stroke_open, ClipperLib::Paths &stroke_closed, ClipperLib::PolyTree &ptree_fill, double curve_tolerance) {
auto *path_data = node.attribute("d").value();
auto fill_rule = clipper_fill_rule(node);
/* For open paths, clipper does not correctly remove self-intersections. Thus, we pass everything into
* clipper twice: Once with all paths set to "closed" to compute fill areas, and once with correct
* open/closed properties for stroke offsetting. */
- ClipperLib::Clipper c_stroke;
ClipperLib::Clipper c_fill;
- c_stroke.StrictlySimple(true);
c_fill.StrictlySimple(true);
- auto res = flatten_path(mat, c_stroke, c_fill, path_data, curve_tolerance);
+ auto res = flatten_path(mat, stroke_open, stroke_closed, c_fill, path_data, curve_tolerance);
bool has_closed = res.first, has_multiple = res.second;
if (!has_closed && !has_multiple) {
@@ -155,15 +153,11 @@ void gerbolyze::load_svg_path(xform2d &mat, const pugi::xml_node &node, ClipperL
auto le_max = ClipperLib::hiRange;
ClipperLib::Path p = {{le_min, le_min}, {le_max, le_min}, {le_max, le_max}, {le_min, le_max}};
- c_stroke.AddPath(p, ClipperLib::ptClip, /* closed= */ true);
- c_stroke.Execute(ClipperLib::ctIntersection, ptree_stroke, fill_rule, ClipperLib::pftNonZero);
-
c_fill.AddPath(p, ClipperLib::ptClip, /* closed= */ true);
c_fill.Execute(ClipperLib::ctIntersection, ptree_fill, fill_rule, ClipperLib::pftNonZero);
} else {
/* We cannot clip the polygon here since that would produce incorrect results for our stroke. */
- c_stroke.Execute(ClipperLib::ctUnion, ptree_stroke, fill_rule, ClipperLib::pftNonZero);
c_fill.Execute(ClipperLib::ctUnion, ptree_fill, fill_rule, ClipperLib::pftNonZero);
}
}
@@ -265,5 +259,10 @@ void gerbolyze::dash_path(const ClipperLib::Path &in, ClipperLib::Paths &out, co
current_dash.push_back(p2);
}
}
+
+ /* Finish last dash */
+ if (current_dash.size() > 0 && (dash_idx%2 == 0)) {
+ out.push_back(current_dash);
+ }
}
diff --git a/svg-flatten/src/svg_path.h b/svg-flatten/src/svg_path.h
index 611f517..c0b2d88 100644
--- a/svg-flatten/src/svg_path.h
+++ b/svg-flatten/src/svg_path.h
@@ -23,7 +23,7 @@
#include "geom2d.hpp"
namespace gerbolyze {
-void load_svg_path(xform2d &mat, const pugi::xml_node &node, ClipperLib::PolyTree &ptree_stroke, ClipperLib::PolyTree &ptree_fill, double curve_tolerance);
+void load_svg_path(xform2d &mat, const pugi::xml_node &node, ClipperLib::Paths &stroke_open, ClipperLib::Paths &stroke_closed, ClipperLib::PolyTree &ptree_fill, double curve_tolerance);
void parse_dasharray(const pugi::xml_node &node, std::vector<double> &out);
void dash_path(const ClipperLib::Path &in, ClipperLib::Paths &out, const std::vector<double> dasharray, double dash_offset=0.0);
}
diff --git a/svg-flatten/src/test/svg_tests.py b/svg-flatten/src/test/svg_tests.py
index a5139ec..c457ed4 100644
--- a/svg-flatten/src/test/svg_tests.py
+++ b/svg-flatten/src/test/svg_tests.py
@@ -34,11 +34,48 @@ def run_svg_flatten(input_file, output_file, **kwargs):
class SVGRoundTripTests(unittest.TestCase):
- def compare_images(self, reference, output, test_name, mean=0.01):
+ # Notes on test cases:
+ # Our stroke join test shows a discrepancy in miter handling between resvg and gerbolyze. Gerbolyze's miter join is
+ # the one from Clipper, which unfortunately cannot be configured. resvg uses one looking like that from the SVG 2
+ # spec. Gerbolyze's join is legal by the 1.1 spec since this spec does not explicitly define the miter offset. It
+ # only contains a blurry picture, and that picture looks like what gerbolyze produces.
+
+ test_mean_default = 0.02
+ test_mean_overrides = {
+ # Both of these produce high errors for two reasons:
+ # * By necessity, we get some error accumulation because we are dashing the path *after* flattening, and
+ # flattened path length is always a tiny bit smaller than actual path length for curved paths.
+ # * Since the image contains a lot of edges there are lots of small differences in anti-aliasing.
+ # Both are expected and OK.
+ 'stroke_dashes_comparison': 0.03,
+ 'stroke_dashes': 0.05,
+ }
+
+ # Force use of rsvg-convert instead of resvg for these test cases
+ rsvg_override = {
+ # resvg is bad at rendering patterns. Both scale and offset are wrong, and the result is a blurry mess.
+ # See https://github.com/RazrFalcon/resvg/issues/221
+ 'pattern_fill',
+ 'pattern_stroke',
+ 'pattern_stroke_dashed'
+ }
+
+ def compare_images(self, reference, output, test_name, mean, rsvg_workaround=False):
ref = np.array(Image.open(reference))
out = np.array(Image.open(output))
+ if rsvg_workaround:
+ # For some stupid reason, rsvg-convert does not actually output black as in "black" pixels when asked to.
+ # Instead, it outputs #010101. We fix this in post here.
+ ref = (ref - 1.0) * (255/254)
delta = np.abs(out - ref).astype(float) / 255
+
+ #def print_stats(ref):
+ # print('img:', ref.min(), ref.mean(), ref.max(), 'std:', ref.std(), 'channels:', *(ref[:,:,i].mean() for i in
+ # range(ref.shape[2])))
+ #print_stats(ref)
+ #print_stats(out)
+
#print(f'{test_name}: mean={delta.mean():.5g}')
self.assertTrue(delta.mean() < mean,
@@ -51,11 +88,21 @@ class SVGRoundTripTests(unittest.TestCase):
run_svg_flatten(test_in_svg, tmp_out_svg.name, format='svg')
- subprocess.run(['resvg', tmp_out_svg.name, tmp_out_png.name], check=True, stdout=subprocess.DEVNULL)
- subprocess.run(['resvg', test_in_svg, tmp_in_png.name], check=True, stdout=subprocess.DEVNULL)
+ use_rsvg = test_in_svg.stem in SVGRoundTripTests.rsvg_override
+
+ if not use_rsvg: # default!
+ subprocess.run(['resvg', tmp_out_svg.name, tmp_out_png.name], check=True, stdout=subprocess.DEVNULL)
+ subprocess.run(['resvg', test_in_svg, tmp_in_png.name], check=True, stdout=subprocess.DEVNULL)
+
+ else:
+ subprocess.run(['rsvg-convert', tmp_out_svg.name, '-f', 'png', '-o', tmp_out_png.name], check=True, stdout=subprocess.DEVNULL)
+ subprocess.run(['rsvg-convert', test_in_svg, '-f', 'png', '-o', tmp_in_png.name], check=True, stdout=subprocess.DEVNULL)
try:
- self.compare_images(tmp_in_png, tmp_out_png, test_in_svg.stem)
+ self.compare_images(tmp_in_png, tmp_out_png, test_in_svg.stem,
+ SVGRoundTripTests.test_mean_overrides.get(test_in_svg.stem, SVGRoundTripTests.test_mean_default),
+ rsvg_workaround=use_rsvg)
+
except AssertionError as e:
import shutil
shutil.copyfile(tmp_in_png.name, f'/tmp/gerbolyze-fail-{test_in_svg.stem}-in.png')
diff --git a/svg-flatten/testdata/svg/circles.svg b/svg-flatten/testdata/svg/circles.svg
index 9be474e..8dc8a22 100644
--- a/svg-flatten/testdata/svg/circles.svg
+++ b/svg-flatten/testdata/svg/circles.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<circle
style="fill:#000000;stroke:none;stroke-width:0.0264583;stroke-linejoin:round;stop-color:#000000"
id="path950"
diff --git a/svg-flatten/testdata/svg/compound_xform.svg b/svg-flatten/testdata/svg/compound_xform.svg
index 229e05d..e4b3688 100644
--- a/svg-flatten/testdata/svg/compound_xform.svg
+++ b/svg-flatten/testdata/svg/compound_xform.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<g
id="g1200">
<g
diff --git a/svg-flatten/testdata/svg/empty.svg b/svg-flatten/testdata/svg/empty.svg
index d2cdc52..7e959f7 100644
--- a/svg-flatten/testdata/svg/empty.svg
+++ b/svg-flatten/testdata/svg/empty.svg
@@ -8,4 +8,5 @@
viewBox="0 0 50 50"
version="1.1"
id="svg8">
+ <rect width="100%" height="100%" fill="white"/>
</svg>
diff --git a/svg-flatten/testdata/svg/empty_inkscape.svg b/svg-flatten/testdata/svg/empty_inkscape.svg
index 716379f..ce43b2b 100644
--- a/svg-flatten/testdata/svg/empty_inkscape.svg
+++ b/svg-flatten/testdata/svg/empty_inkscape.svg
@@ -47,6 +47,7 @@
</cc:Work>
</rdf:RDF>
</metadata>
+ <rect width="100%" height="100%" fill="white"/>
<g
inkscape:label="Layer 1"
inkscape:groupmode="layer"
diff --git a/svg-flatten/testdata/svg/groups.svg b/svg-flatten/testdata/svg/groups.svg
index d94dad0..87c7444 100644
--- a/svg-flatten/testdata/svg/groups.svg
+++ b/svg-flatten/testdata/svg/groups.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<rect
style="fill:#000000;stroke:none;stroke-width:0.0264583;stroke-linejoin:round;stop-color:#000000"
id="rect1002"
diff --git a/svg-flatten/testdata/svg/pattern_fill.svg b/svg-flatten/testdata/svg/pattern_fill.svg
index 21789e6..6b43c65 100644
--- a/svg-flatten/testdata/svg/pattern_fill.svg
+++ b/svg-flatten/testdata/svg/pattern_fill.svg
@@ -111,6 +111,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<circle
style="opacity:0.99435;fill:url(#pattern3461);fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:4.00001, 4.00001;stroke-dashoffset:2.19001;stop-color:#000000"
id="path1374"
diff --git a/svg-flatten/testdata/svg/pattern_stroke.svg b/svg-flatten/testdata/svg/pattern_stroke.svg
index 5564df0..086ef69 100644
--- a/svg-flatten/testdata/svg/pattern_stroke.svg
+++ b/svg-flatten/testdata/svg/pattern_stroke.svg
@@ -80,6 +80,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<circle
style="opacity:0.99435;fill:none;stroke:url(#pattern3520);stroke-width:8;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:10.95;stroke-opacity:1;stop-color:#000000"
id="path3513"
diff --git a/svg-flatten/testdata/svg/pattern_stroke_dashed.svg b/svg-flatten/testdata/svg/pattern_stroke_dashed.svg
index 3d8145e..6c0fb93 100644
--- a/svg-flatten/testdata/svg/pattern_stroke_dashed.svg
+++ b/svg-flatten/testdata/svg/pattern_stroke_dashed.svg
@@ -80,6 +80,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<circle
style="opacity:0.99435;fill:#000000;stroke:url(#pattern3520);stroke-width:12;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:6,6;stroke-dashoffset:0;stroke-opacity:1;stop-color:#000000"
id="path3513"
diff --git a/svg-flatten/testdata/svg/rect.svg b/svg-flatten/testdata/svg/rect.svg
index 297ff7e..adb2dff 100644
--- a/svg-flatten/testdata/svg/rect.svg
+++ b/svg-flatten/testdata/svg/rect.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<rect
style="fill:#000000;stroke:none;stroke-width:0.0264583;stroke-linejoin:round;stop-color:#000000"
id="rect832"
diff --git a/svg-flatten/testdata/svg/rect_occlusion.svg b/svg-flatten/testdata/svg/rect_occlusion.svg
index ce0e531..5cbe90e 100644
--- a/svg-flatten/testdata/svg/rect_occlusion.svg
+++ b/svg-flatten/testdata/svg/rect_occlusion.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<rect
style="fill:#000000;stroke:none;stroke-width:0.0264583;stroke-linejoin:round;stop-color:#000000"
id="rect832"
diff --git a/svg-flatten/testdata/svg/rotation.svg b/svg-flatten/testdata/svg/rotation.svg
index 961ef0f..af68d91 100644
--- a/svg-flatten/testdata/svg/rotation.svg
+++ b/svg-flatten/testdata/svg/rotation.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<rect
style="fill:#000000;stroke:none;stroke-width:0.0264583;stroke-linejoin:round;stop-color:#000000"
id="rect1022"
diff --git a/svg-flatten/testdata/svg/rotation_90.svg b/svg-flatten/testdata/svg/rotation_90.svg
index dcca867..bcec2c4 100644
--- a/svg-flatten/testdata/svg/rotation_90.svg
+++ b/svg-flatten/testdata/svg/rotation_90.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<rect
style="fill:#000000;stroke:none;stroke-width:0.0264583;stroke-linejoin:round;stop-color:#000000"
id="rect1022"
diff --git a/svg-flatten/testdata/svg/scale.svg b/svg-flatten/testdata/svg/scale.svg
index 91b28d6..de98236 100644
--- a/svg-flatten/testdata/svg/scale.svg
+++ b/svg-flatten/testdata/svg/scale.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<g
id="g1082"
transform="matrix(0.81799278,0,0,0.81799278,12.474166,-0.98587389)"
diff --git a/svg-flatten/testdata/svg/shear.svg b/svg-flatten/testdata/svg/shear.svg
index ec7875f..9739f4a 100644
--- a/svg-flatten/testdata/svg/shear.svg
+++ b/svg-flatten/testdata/svg/shear.svg
@@ -48,6 +48,7 @@
inkscape:window-y="0"
inkscape:window-maximized="1"
inkscape:current-layer="svg8" />
+ <rect width="100%" height="100%" fill="white"/>
<ellipse
style="fill:#000000;stroke:none;stroke-width:0.0307622;stroke-linejoin:round;stop-color:#000000"
id="path1130"
diff --git a/svg-flatten/testdata/svg/stroke.svg b/svg-flatten/testdata/svg/stroke.svg
index 6a4b334..aa26012 100644
--- a/svg-flatten/testdata/svg/stroke.svg
+++ b/svg-flatten/testdata/svg/stroke.svg
@@ -50,6 +50,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<rect
style="fill:#ffffff;stroke:#000000;stroke-width:9.99998;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stop-color:#000000"
id="rect1220"
diff --git a/svg-flatten/testdata/svg/stroke_caps.svg b/svg-flatten/testdata/svg/stroke_caps.svg
index 6b89a34..e261dca 100644
--- a/svg-flatten/testdata/svg/stroke_caps.svg
+++ b/svg-flatten/testdata/svg/stroke_caps.svg
@@ -50,6 +50,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<path
style="fill:none;stroke:#000000;stroke-width:5;stroke-linecap:butt;stroke-linejoin:round;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none"
d="M 8.1209509,7.3978548 20.159949,7.3803896 9.2562029,14.249268 c 19.4757851,0.912458 -2.156778,6.498823 6.5634261,12.04404"
diff --git a/svg-flatten/testdata/svg/stroke_dashes.svg b/svg-flatten/testdata/svg/stroke_dashes.svg
index c1d6f5c..04240af 100644
--- a/svg-flatten/testdata/svg/stroke_dashes.svg
+++ b/svg-flatten/testdata/svg/stroke_dashes.svg
@@ -50,6 +50,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<path
style="fill:none;stroke:#000000;stroke-width:3.00000008;stroke-linecap:butt;stroke-linejoin:round;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:3.00000008,3.00000008;stroke-dashoffset:0"
d="M 8.1209509,7.3978548 20.159949,7.3803896 9.2562029,14.249268 c 19.4757851,0.912458 -2.156778,6.498823 6.5634261,12.04404"
diff --git a/svg-flatten/testdata/svg/stroke_joins.svg b/svg-flatten/testdata/svg/stroke_joins.svg
index ee3e1ac..3694319 100644
--- a/svg-flatten/testdata/svg/stroke_joins.svg
+++ b/svg-flatten/testdata/svg/stroke_joins.svg
@@ -50,6 +50,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<path
style="fill:none;stroke:#000000;stroke-width:5;stroke-linecap:butt;stroke-linejoin:round;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none"
d="M 8.1209509,7.3978548 20.159949,7.3803896 9.2562029,14.249268 c 19.4757851,0.912458 -2.156778,6.498823 6.5634261,12.04404"
diff --git a/svg-flatten/testdata/svg/text.svg b/svg-flatten/testdata/svg/text.svg
index bd8c390..e08de4a 100644
--- a/svg-flatten/testdata/svg/text.svg
+++ b/svg-flatten/testdata/svg/text.svg
@@ -81,6 +81,7 @@
inkscape:current-layer="svg8"
inkscape:document-units="mm"
showguides="false" />
+ <rect width="100%" height="100%" fill="white"/>
<text
xml:space="preserve"
id="text3558"