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Use stressGraphics for SVG content tests #20118

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Merged
merged 6 commits into from
Oct 23, 2025
Merged

Use stressGraphics for SVG content tests #20118

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cc346cb
Implement SVG testing in stressGraphics
linev Oct 15, 2025
8844fd6
Use "GMT" as time zone for SVG stressGraphics
linev Oct 16, 2025
d4b7faf
Set fit function parameters in stressGraphics
linev Oct 16, 2025
8f054d5
[svg] opt out very small pen moving in compact form
linev Oct 17, 2025
6eb9468
Introduce test-stressgraphics-svg test with reference files
linev Oct 15, 2025
bd5f5c2
Add readme for SVG generation
linev Oct 23, 2025
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14 changes: 14 additions & 0 deletions graf2d/postscript/src/TSVG.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@
Int_t TSVG::fgLineJoin = 0;
Int_t TSVG::fgLineCap = 0;

const Double_t kEpsilon = 1e-9;

/** \class TSVG
\ingroup PS

Expand Down Expand Up @@ -468,6 +470,10 @@ void TSVG::DrawPolyLine(Int_t nn, TPoints *xy)
iydi = YtoSVG(xy[i].GetY());
ix = ixdi - ixd0;
iy = iydi - iyd0;
if (fCompact && (TMath::Abs(ix) < kEpsilon))
ix = 0;
if (fCompact && (TMath::Abs(iy) < kEpsilon))
iy = 0;
ixd0 = ixdi;
iyd0 = iydi;
if( ix && iy) {
Expand Down Expand Up @@ -538,6 +544,10 @@ void TSVG::DrawPolyLineNDC(Int_t nn, TPoints *xy)
iydi = VtoSVG(xy[i].GetY());
ix = ixdi - ixd0;
iy = iydi - iyd0;
if (fCompact && (TMath::Abs(ix) < kEpsilon))
ix = 0;
if (fCompact && (TMath::Abs(iy) < kEpsilon))
iy = 0;
ixd0 = ixdi;
iyd0 = iydi;
if( ix && iy) {
Expand Down Expand Up @@ -1442,6 +1452,10 @@ void TSVG::DrawPS(Int_t nn, Double_t *xw, Double_t *yw)
iydi = YtoSVG(yw[i]);
ix = ixdi - ixd0;
iy = iydi - iyd0;
if (fCompact && (TMath::Abs(ix) < kEpsilon))
ix = 0;
if (fCompact && (TMath::Abs(iy) < kEpsilon))
iy = 0;
ixd0 = ixdi;
iyd0 = iydi;
if( ix && iy) {
Expand Down
7 changes: 6 additions & 1 deletion test/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ ROOT_EXECUTABLE(eventexe MainEvent.cxx LIBRARIES Event RIO Tree TreePlayer Hist
ROOT_ADD_TEST(test-event COMMAND eventexe)

#---guitest------------------------------------------------------------------------------------
if(TARGET Gui)
if(TARGET Gui)
ROOT_EXECUTABLE(guitest guitest.cxx LIBRARIES RIO Gui Gpad Hist)
endif()

Expand Down Expand Up @@ -183,6 +183,11 @@ if(ROOT_opengl_FOUND AND TARGET TreeViewer)
COMMAND ${ROOT_root_CMD} -b --web=off -q -l ${CMAKE_CURRENT_SOURCE_DIR}/stressGraphics.cxx
FAILREGEX "FAILED|Error in"
DEPENDS test-stressgraphics)
ROOT_ADD_TEST(test-stressgraphics-svg
ENVIRONMENT LD_LIBRARY_PATH=${CMAKE_BINARY_DIR}/lib:$ENV{LD_LIBRARY_PATH}
COMMAND stressGraphics -b --web=off -p=svg --svg=${CMAKE_CURRENT_SOURCE_DIR}/svg_ref/
FAILREGEX "FAILED|Error in"
LABELS longtest)
if(CHROME_EXECUTABLE)
ROOT_ADD_TEST(test-stressgraphics-chrome
RUN_SERIAL
Expand Down
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