AIS_TextLabel - new public class to display simple text labels (based on MyTextClass private class from Draw Harness).
ViewerTest::Display() - add more reliable replacement for VDisplayAISObject() with no viewer update flag.
vdrawtext command redesign:
- Use new AIS_TextLabel class instead of private MyTextClass.
- Take object name and allow to clear labels from the Viewer.
- Use parameter name + parameter value syntax instead of strict list of mandatory arguments.
- Use [0; 1] range for colors and accept names.
- Drop redundant argument "isMultiByte".
- Support argument -noupdate to skip Viewer update.
Update test cases to new syntax of vdrawtext.
Introduce new class Font_BRepFont for conversion of font glyph in vector format into BRep representation.
New text2brep Draw Harness command.
bottle.tcl - draw text on the bottle side using new functionality.
ViewerTest - process Delete key in 3D-Viewer to delete selected presentations.
Font_FontMgr::FindFont - return correct font when font alias and not default aspect is requested.
bottle.tcl - use prism instead of pipe
TKViewerTest - add required FreeType dependency
verase - display the list of erase objects
TKViewerTest - add required FreeType dependency for projects generation
