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0031039: Visualization - add elliptical gradient background style

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Added new elliptical gradient fill method and updated vbackground command.
Renamed enum values of Aspect_GradientFillMethod and defined aliases for old ones.
Changed draw mode in OpenGl_BackgroundArray from triangle-strip to GL_TRIANGLES.
This commit is contained in:
achesnok
2021-09-21 18:42:21 +03:00
committed by kgv
parent 3be25c1170
commit 9af0d66b84
11 changed files with 182 additions and 101 deletions
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33
src/Aspect/Aspect_GradientFillMethod.hxx
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@@ -16,19 +16,30 @@
#ifndef _Aspect_GradientFillMethod_HeaderFile
#define _Aspect_GradientFillMethod_HeaderFile
//! Defines the fill methods to
//! write gradient background in a window.
//! Defines the fill methods to write gradient background in a window.
enum Aspect_GradientFillMethod
{
Aspect_GFM_NONE,
Aspect_GFM_HOR,
Aspect_GFM_VER,
Aspect_GFM_DIAG1,
Aspect_GFM_DIAG2,
Aspect_GFM_CORNER1,
Aspect_GFM_CORNER2,
Aspect_GFM_CORNER3,
Aspect_GFM_CORNER4
Aspect_GradientFillMethod_None, //!< fill method not specified
Aspect_GradientFillMethod_Horizontal, //!< gradient directed from left (Color1) to right (Color2)
Aspect_GradientFillMethod_Vertical, //!< gradient directed from top (Color1) to bottom (Color2)
Aspect_GradientFillMethod_Diagonal1, //!< gradient directed from upper left corner (Color1) to lower right (Color2)
Aspect_GradientFillMethod_Diagonal2, //!< gradient directed from upper right corner (Color1) to lower left (Color2)
Aspect_GradientFillMethod_Corner1, //!< highlights upper left corner with Color1
Aspect_GradientFillMethod_Corner2, //!< highlights upper right corner with Color1
Aspect_GradientFillMethod_Corner3, //!< highlights lower right corner with Color1
Aspect_GradientFillMethod_Corner4, //!< highlights lower left corner with Color1
Aspect_GradientFillMethod_Elliptical, //!< gradient directed from center (Color1) in all directions forming an elliptic shape (Color2)
// obsolete aliases
Aspect_GFM_NONE = Aspect_GradientFillMethod_None,
Aspect_GFM_HOR = Aspect_GradientFillMethod_Horizontal,
Aspect_GFM_VER = Aspect_GradientFillMethod_Vertical,
Aspect_GFM_DIAG1 = Aspect_GradientFillMethod_Diagonal1,
Aspect_GFM_DIAG2 = Aspect_GradientFillMethod_Diagonal2,
Aspect_GFM_CORNER1 = Aspect_GradientFillMethod_Corner1,
Aspect_GFM_CORNER2 = Aspect_GradientFillMethod_Corner2,
Aspect_GFM_CORNER3 = Aspect_GradientFillMethod_Corner3,
Aspect_GFM_CORNER4 = Aspect_GradientFillMethod_Corner4
};
#endif // _Aspect_GradientFillMethod_HeaderFile