Import: fix STEP color and add transparency in legacy importer/exporter

This commit is contained in:
Zheng, Lei
2021-10-07 18:08:00 +08:00
parent b9a76cc8e4
commit 329a682a8e
3 changed files with 38 additions and 40 deletions

View File

@@ -60,7 +60,7 @@
# include <TDF_LabelSequence.hxx>
# include <TDF_ChildIterator.hxx>
# include <TDataStd_Name.hxx>
# include <Quantity_Color.hxx>
# include <Quantity_ColorRGBA.hxx>
# include <STEPCAFControl_Reader.hxx>
# include <STEPControl_Writer.hxx>
# include <IGESCAFControl_Reader.hxx>
@@ -108,6 +108,23 @@
using namespace Import;
#if OCC_VERSION_HEX >= 0x070500
// See https://dev.opencascade.org/content/occt-3d-viewer-becomes-srgb-aware
# define OCC_COLOR_SPACE Quantity_TOC_sRGB
#else
# define OCC_COLOR_SPACE Quantity_TOC_RGB
#endif
static inline App::Color convertColor(const Quantity_ColorRGBA &c)
{
Standard_Real r, g, b;
c.GetRGB().Values(r, g, b, OCC_COLOR_SPACE);
return App::Color(static_cast<float>(r),
static_cast<float>(g),
static_cast<float>(b),
static_cast<float>(c.Alpha()));
}
#define OCAF_KEEP_PLACEMENT
ImportOCAF::ImportOCAF(Handle(TDocStd_Document) h, App::Document* d, const std::string& name)
@@ -439,14 +456,12 @@ void ImportOCAF::createShape(const TopoDS_Shape& aShape, const TopLoc_Location&
void ImportOCAF::loadColors(Part::Feature* part, const TopoDS_Shape& aShape)
{
Quantity_Color aColor;
Quantity_ColorRGBA aColor;
App::Color color(0.8f,0.8f,0.8f);
if (aColorTool->GetColor(aShape, XCAFDoc_ColorGen, aColor) ||
aColorTool->GetColor(aShape, XCAFDoc_ColorSurf, aColor) ||
aColorTool->GetColor(aShape, XCAFDoc_ColorCurv, aColor)) {
color.r = (float)aColor.Red();
color.g = (float)aColor.Green();
color.b = (float)aColor.Blue();
color = convertColor(aColor);
std::vector<App::Color> colors;
colors.push_back(color);
applyColors(part, colors);
@@ -468,9 +483,7 @@ void ImportOCAF::loadColors(Part::Feature* part, const TopoDS_Shape& aShape)
aColorTool->GetColor(xp.Current(), XCAFDoc_ColorSurf, aColor) ||
aColorTool->GetColor(xp.Current(), XCAFDoc_ColorCurv, aColor)) {
int index = faces.FindIndex(xp.Current());
color.r = (float)aColor.Red();
color.g = (float)aColor.Green();
color.b = (float)aColor.Blue();
color = convertColor(aColor);
faceColors[index-1] = color;
found_face_color = true;
}
@@ -551,7 +564,7 @@ void ImportXCAF::createShape(const TopoDS_Shape& shape, bool perface, bool setna
part = static_cast<Part::Feature*>(doc->addObject("Part::Feature", default_name.c_str()));
part->Label.setValue(default_name);
part->Shape.setValue(shape);
std::map<Standard_Integer, Quantity_Color>::const_iterator jt;
std::map<Standard_Integer, Quantity_ColorRGBA>::const_iterator jt;
jt = myColorMap.find(shape.HashCode(INT_MAX));
App::Color partColor(0.8f,0.8f,0.8f);
@@ -596,11 +609,7 @@ void ImportXCAF::createShape(const TopoDS_Shape& shape, bool perface, bool setna
jt = myColorMap.find(xp.Current().HashCode(INT_MAX));
if (jt != myColorMap.end()) {
int index = faces.FindIndex(xp.Current());
App::Color color;
color.r = (float)jt->second.Red();
color.g = (float)jt->second.Green();
color.b = (float)jt->second.Blue();
faceColors[index-1] = color;
faceColors[index-1] = convertColor(jt->second);
found_face_color = true;
}
xp.Next();
@@ -653,7 +662,7 @@ void ImportXCAF::loadShapes(const TDF_Label& label)
}
// getting color
Quantity_Color col;
Quantity_ColorRGBA col;
if (hColors->GetColor(label, XCAFDoc_ColorGen, col) ||
hColors->GetColor(label, XCAFDoc_ColorSurf, col) ||
hColors->GetColor(label, XCAFDoc_ColorCurv, col)) {