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0028738: Data Exchange, XCAFPrs_Style - add transparency property

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Use Quantity_ColorRGBA as surface color to store a transparency in XCAFPrs_Style.
This commit is contained in:
akz
2017-05-11 13:52:18 +03:00
committed by bugmaster
parent 46710942db
commit a71a71de09
15 changed files with 145 additions and 60 deletions
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12
src/OpenGl/OpenGl_Context.hxx
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@@ -655,8 +655,16 @@ public: //! @name methods to alter or retrieve current state
//! Checks if transparency is required for the given aspect and highlight style.
Standard_EXPORT static Standard_Boolean CheckIsTransparent (const OpenGl_AspectFace* theAspect,
const Handle(Graphic3d_PresentationAttributes)& theHighlight,
Standard_ShortReal& theTranspFront,
Standard_ShortReal& theTranspBack);
Standard_ShortReal& theAlphaFront,
Standard_ShortReal& theAlphaBack);
//! Checks if transparency is required for the given aspect and highlight style.
static Standard_Boolean CheckIsTransparent (const OpenGl_AspectFace* theAspect,
const Handle(Graphic3d_PresentationAttributes)& theHighlight)
{
Standard_ShortReal anAlphaFront = 1.0f, anAlphaBack = 1.0f;
return CheckIsTransparent (theAspect, theHighlight, anAlphaFront, anAlphaBack);
}
//! Setup current color.
Standard_EXPORT void SetColor4fv (const OpenGl_Vec4& theColor);