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perf: improve polygon render performance

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This commit is contained in:
kradchen
2025-06-30 13:20:50 +08:00
parent f475914786
commit b7fae104c9
2 changed files with 5 additions and 0 deletions
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4
src/src/Rendering/Measure/OpenPolyAnnotationActor.cpp
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@@ -10,6 +10,7 @@
#include <vtkTextProperty.h> #include <vtkTextProperty.h>
#include <vtkPolygon.h> #include <vtkPolygon.h>
#include <vtkLine.h> #include <vtkLine.h>
#include <vtkCamera.h>
#include <QFile> #include <QFile>
#include <QCoreApplication> #include <QCoreApplication>
@@ -30,6 +31,9 @@ void OpenPolyAnnotationActor::SetRenderer(vtkRenderer *ren) {
void OpenPolyAnnotationActor::BuildShape() { void OpenPolyAnnotationActor::BuildShape() {
if (!BaseDataPoints->GetNumberOfPoints()) return; if (!BaseDataPoints->GetNumberOfPoints()) return;
QString stamp = QString("%1-%2").arg(BaseDataPoints->GetMTime())
.arg(Renderer->GetActiveCamera()->GetMTime());
if (mRenderTime == stamp) return;
RebuildRenderPoint(); RebuildRenderPoint();
vtkNew<vtkPolyLineSource> source; vtkNew<vtkPolyLineSource> source;
source->SetClosed(this->Closed); source->SetClosed(this->Closed);

1
src/src/Rendering/Measure/OpenPolyAnnotationActor.h
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@@ -83,6 +83,7 @@ protected:
vtkTextProperty *textProperty; vtkTextProperty *textProperty;
bool measured; bool measured;
QString mRenderTime;
QString mUnitmm ; QString mUnitmm ;
QString mUnitcm ; QString mUnitcm ;
QString mUnitmm2; QString mUnitmm2;