Am Dienstag, den 02.01.2018, 15:22 +0000 schrieb José Abílio Matos:
> Hi,
> in the last couple of months I had been busy working with
> beamer. A co-worker had a problem with the "Example Block" in beamer.
> The easiest recipe to replicate is:
>
> 1) In a beamer document select the "Example Block". Write some text
> and then select some text and change its color to "No color". When
> lyx exports to latex the exported text range is transformed into
> "\textcolor{none}{...}". LaTeX rightly (IMHO) complains that
>
> Package xcolor Error: Undefined color `none'.
>
> Without searching further I suspect that this is related with the
> fact the "Example Block" is painted as green. So I suspect that this
> is a general problem and not necessarily specific of beamer.http://www.lyx.org/trac/ticket/5870 Fix attached. Jürgen > > Regards, > -- > José Abílio
diff --git a/src/Font.cpp b/src/Font.cpp
index 450d67fa3a..5ac0328ea5 100644
--- a/src/Font.cpp
+++ b/src/Font.cpp
@@ -362,6 +362,8 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
FontInfo f = bits_;
f.reduce(base.bits_);
+ FontInfo p = bits_;
+ p.reduce(prev.bits_);
if (f.family() != INHERIT_FAMILY) {
os << '\\'
@@ -385,10 +387,16 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
env = true; //We have opened a new environment
}
if (f.color() != Color_inherit && f.color() != Color_ignore) {
- os << "\\textcolor{"
- << from_ascii(lcolor.getLaTeXName(f.color()))
- << "}{";
- count += lcolor.getLaTeXName(f.color()).length() + 13;
+ if (f.color() == Color_none && p.color() != Color_none) {
+ // Color none: Close previous color, if any
+ os << '}';
+ ++count;
+ } else if (f.color() != Color_none) {
+ os << "\\textcolor{"
+ << from_ascii(lcolor.getLaTeXName(f.color()))
+ << "}{";
+ count += lcolor.getLaTeXName(f.color()).length() + 13;
+ }
env = true; //We have opened a new environment
}
// FIXME: uncomment this when we support background.
@@ -489,7 +497,7 @@ int Font::latexWriteEndChanges(otexstream & os, BufferParams const & bparams,
++count;
env = true; // Size change need not bother about closing env.
}
- if (f.color() != Color_inherit && f.color() != Color_ignore) {
+ if (f.color() != Color_inherit && f.color() != Color_ignore && f.color() != Color_none) {
os << '}';
++count;
env = true; // Size change need not bother about closing env.
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