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0030782: Visualization, Font_FTFont - use predefined fallback fonts for extended Unicode subsets

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Font_FTFont now uses fallback fonts for characters from unsupported Unicode subsets,
managed by Font_FTFont::ToUseUnicodeSubsetFallback()
and Font_FontMgr::ToUseUnicodeSubsetFallback() option, enabled by default.
The fallback list includes common font families for Chinese, Korean and Japanese languages.

Font_FTFont::RenderGlyph() now supports FT_PIXEL_MODE_MONO input format used by some CJK fonts.
OpenGl_Font::createTexture() now limits single texture size to circa 4096 glyphs.

test/testgrid now expects test scripts being in UTF-8 encoding in sync with "DRAWEXE -f script.tcl".

AIS::InitFaceLength() - fixed usage of uninitialized result.
This commit is contained in:
kgv
2019-06-16 13:09:49 +03:00
committed by bugmaster
parent 1bb67d3844
commit 912761ea17
14 changed files with 458 additions and 101 deletions
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10
src/DrawResources/TestCommands.tcl
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@@ -1298,23 +1298,23 @@ proc _run_test {scriptsdir group gridname casefile echo} {
# execute test scripts
if { [file exists $scriptsdir/$group/begin] } {
puts "Executing $scriptsdir/$group/begin..."; flush stdout
uplevel source $scriptsdir/$group/begin
uplevel source -encoding utf-8 $scriptsdir/$group/begin
}
if { [file exists $scriptsdir/$group/$gridname/begin] } {
puts "Executing $scriptsdir/$group/$gridname/begin..."; flush stdout
uplevel source $scriptsdir/$group/$gridname/begin
uplevel source -encoding utf-8 $scriptsdir/$group/$gridname/begin
}
puts "Executing $casefile..."; flush stdout
uplevel source $casefile
uplevel source -encoding utf-8 $casefile
if { [file exists $scriptsdir/$group/$gridname/end] } {
puts "Executing $scriptsdir/$group/$gridname/end..."; flush stdout
uplevel source $scriptsdir/$group/$gridname/end
uplevel source -encoding utf-8 $scriptsdir/$group/$gridname/end
}
if { [file exists $scriptsdir/$group/end] } {
puts "Executing $scriptsdir/$group/end..."; flush stdout
uplevel source $scriptsdir/$group/end
uplevel source -encoding utf-8 $scriptsdir/$group/end
}
} res] {
puts "Tcl Exception: $res"