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0026791: Visualization, TKOpenGl - apply view resolution to built-in markers

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Add ResolutionRatio() method in the Graphic3d_RenderingParams.
Add SetResolutionRatio() method in the OpenGl_Context.
This commit is contained in:
isk
2015-11-11 10:46:48 +03:00
parent 8265e5deb8
commit b9b37c1d45
5 changed files with 57 additions and 13 deletions
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29
src/OpenGl/OpenGl_Context.hxx
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@@ -583,6 +583,13 @@ public: //! @name methods to alter or retrieve current state
Standard_EXPORT void DisableFeatures() const;
//! Set resolution ratio.
//! Note that this method rounds @theRatio to nearest integer.
void SetResolutionRatio (const Standard_ShortReal theRatio)
{
myResolutionRatio = Max (1.0f, std::floor (theRatio + 0.5f));
}
private:
//! Wrapper to system function to retrieve GL function pointer by name.
@@ -695,16 +702,18 @@ private: // context info
private: //! @name fields tracking current state
Handle(OpenGl_ShaderProgram) myActiveProgram; //!< currently active GLSL program
Handle(OpenGl_Sampler) myTexSampler; //!< currently active sampler object
Handle(OpenGl_FrameBuffer) myDefaultFbo; //!< default Frame Buffer Object
Standard_Integer myRenderMode; //!< value for active rendering mode
Standard_Integer myReadBuffer; //!< current read buffer
Standard_Integer myDrawBuffer; //!< current draw buffer
unsigned int myDefaultVao; //!< default Vertex Array Object
Standard_Boolean myIsGlDebugCtx; //!< debug context initialization state
TCollection_AsciiString myVendor; //!< Graphics Driver's vendor
TColStd_PackedMapOfInteger myFilters[6]; //!< messages suppressing filter (for sources from GL_DEBUG_SOURCE_API_ARB to GL_DEBUG_SOURCE_OTHER_ARB)
Handle(OpenGl_ShaderProgram) myActiveProgram; //!< currently active GLSL program
Handle(OpenGl_Sampler) myTexSampler; //!< currently active sampler object
Handle(OpenGl_FrameBuffer) myDefaultFbo; //!< default Frame Buffer Object
Standard_Integer myRenderMode; //!< value for active rendering mode
Standard_Integer myReadBuffer; //!< current read buffer
Standard_Integer myDrawBuffer; //!< current draw buffer
unsigned int myDefaultVao; //!< default Vertex Array Object
Standard_Boolean myIsGlDebugCtx; //!< debug context initialization state
TCollection_AsciiString myVendor; //!< Graphics Driver's vendor
TColStd_PackedMapOfInteger myFilters[6]; //!< messages suppressing filter (for sources from GL_DEBUG_SOURCE_API_ARB to GL_DEBUG_SOURCE_OTHER_ARB)
Standard_ShortReal myResolutionRatio; //!< scaling factor for parameters like text size
//!< to be properly displayed on device (screen / printer)
public: