Changes:
There are following changes in packages:
OpenGl package:
1) The method that sets the line attributes in layer mode
call_togl_set_line_attributes has been modified. Now it doesn't depends
on static flag variables, instead of it method tries to acquire the
current OpenGl attribute flags.
2) The layer begin/end methods call_togl_begin_layer2d / call_togl_end_layer2d
has been modified to keep the OpenGl attribute flags unchanged.
3) The maximum count of predefined line styles for OpenGl driver has been
defined as TEL_LS_MAX in InterfaceGraphic.hxx, this value is used during
the line style list creation in TsmInitAttributes.
InterfaceGraphic package:
1) The maximum count of default line styles has been defined as TEL_LS_MAX
in InterfaceGraphic.hxx
ViewerTest package:
1) DRAW command "vlayerline" has been added to test linewidth, linetype and
transparency of the Visual3d_Layer class.
The command draws a line and has the following arguments:
>> vlayerline x1 y1 x2 y2 [linewidth=0.5] [linetype=0] [transparency=1.0]
Linewidth in pixels, Transparency in range [0.0-1.0].
