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occt/tests/opengl/data/text/bug25732_1
kgv 0d828ac838 0032208: Tests - refactor visualization tests to cover several graphic drivers
Removed testgrids 'bugs/vis' and '3rdparty'; tests have been redistributed across other grids.
Moved testgrid 'v3d/ivtk' into dedicated 'vtk/ivtk'.

Added testgrid 'vselect' dedicated to 3D viewer picking/selection functionality
and filled with tests from 'v3d/vertex', 'v3d/face' and similar groups.

Added testgrid 'opengl' dedicated to OpenGL driver low-level functionality (GLSL programs and similar)
and filled with tests from 'v3d/glsl', 'v3d/raytrace', '3rdparty/fonts', 'bugs/vis' (portion) and similar.

Added testgrid 'opengles3' dedicated to OpenGL ES 3.0 driver low-level functionality
and reusing tests from 'opengl' testgrid.
Subgroup 'opengles3/raytrace' is disabled on Windows, as Ray-Tracing currently requires OpenGL ES 3.2.
while ANGLE library implements only OpenGL ES 3.0.

Added testgrid 'opengles2' dedicated to OpenGL ES 2.0 driver low-level functionality
and reusing a limited subset of passing tests from 'opengl' testgrid.
Currently testgrid is activated only on Windows platform when using ANGLE library
(properietary OpenGL ES drivers do not allow creation of restricted 2.0 context).

Test cases have been cleaned out to put bug description into log,
to properly load necessary plugins and to explicitly dump viewer.
2021-03-25 19:14:33 +03:00

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puts "========"
puts "OCC25732: Visualization, TKOpenGl - back face culling should not affect textured font rendering"
puts "========"
puts ""
pload MODELING VISUALIZATION
vfont add [locate_data_file DejaVuSans.ttf] SansFont
box b -100 0 -200 50 100 200
vinit View1
vclear
vaxo
vdisplay b
vfit
vsetdispmode b 1
vdrawtext text "Open\nCASCADE" -pos 0 0 0 -color RED -halign center -valign center -angle -45 -zoom 1 -height 50 -aspect regular -font SansFont
set x_coord 255
set y_coord 277
set bug_info [vreadpixel ${x_coord} ${y_coord} rgb name]
if {$bug_info != "RED"} { puts "ERROR: OCC25732 is reproduced. Text is missed." }
vdump $imagedir/${casename}.png