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Auto adjust corner annotation font size.

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This commit is contained in:
Krad
2023-01-16 13:40:19 +08:00
parent ebfe3a3d64
commit 78b89c976f
1 changed files with 14 additions and 1 deletions
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15
src/src/Rendering/Legend/FastCornerAnnotationActor.cpp
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@@ -21,7 +21,7 @@ FastCornerAnnotationActor::FastCornerAnnotationActor()
Actors[i]->SetTextScaleModeToNone(); Actors[i]->SetTextScaleModeToNone();
Actors[i]->SetUseBorderAlign(true); Actors[i]->SetUseBorderAlign(true);
Actors[i]->GetTextProperty()->SetFontFamilyToCourier(); Actors[i]->GetTextProperty()->SetFontFamilyToCourier();
Actors[i]->GetTextProperty()->SetFontSize(13); Actors[i]->GetTextProperty()->SetFontSize(6);
Actors[i]->GetTextProperty()->BoldOn(); Actors[i]->GetTextProperty()->BoldOn();
Actors[i]->GetTextProperty()->ShadowOn(); Actors[i]->GetTextProperty()->ShadowOn();
Actors[i]->GetActualPositionCoordinate()->SetCoordinateSystemToDisplay(); Actors[i]->GetActualPositionCoordinate()->SetCoordinateSystemToDisplay();
@@ -107,9 +107,22 @@ vtkTypeBool FastCornerAnnotationActor::HasTranslucentPolygonalGeometry() {
void FastCornerAnnotationActor::ResetTextPosition(vtkRenderer* renderer) { void FastCornerAnnotationActor::ResetTextPosition(vtkRenderer* renderer) {
double x = 1.0, y = 1.0; double x = 1.0, y = 1.0;
renderer->NormalizedDisplayToDisplay(x, y); renderer->NormalizedDisplayToDisplay(x, y);
double width = renderer->GetSize()[0] + 0.5;
double height = renderer->GetSize()[1] + 0.5;
double newFontSize = 6.0;
//文字的宽一般是高的一半
if (renderer->GetTiledAspectRatio()>0.5){
newFontSize = (width / 300) + 10.0;
}
else{
newFontSize = (height / 200) + 10.0;
}
newFontSize = newFontSize > 16 ? 16 : (newFontSize < 10 ? 10 : newFontSize);
for (int i = 0; i < 8; ++i) { for (int i = 0; i < 8; ++i) {
Actors[i]->GetActualPosition2Coordinate()->SetCoordinateSystemToDisplay(); Actors[i]->GetActualPosition2Coordinate()->SetCoordinateSystemToDisplay();
Actors[i]->SetPosition2(x - 5,y - 5); Actors[i]->SetPosition2(x - 5,y - 5);
Actors[i]->GetTextProperty()->SetFontSize(newFontSize);
} }
} }