diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fl_color.cxx | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/fl_color.cxx b/src/fl_color.cxx index 98a715282..6e4a708f4 100644 --- a/src/fl_color.cxx +++ b/src/fl_color.cxx @@ -167,10 +167,13 @@ ulong fl_xpixel(uchar r,uchar g,uchar b) { The RGB color is used directly on TrueColor displays. For colormap visuals the nearest index in the gray ramp or color cube is used. + If no valid graphical context (fl_gc) is available, + the foreground is not set for the current window. \param[in] r,g,b color components */ void fl_color(uchar r,uchar g,uchar b) { fl_color_ = fl_rgb_color(r, g, b); + if(!fl_gc) return; // don't get a default gc if current window is not yet created/valid XSetForeground(fl_display, fl_gc, fl_xpixel(r,g,b)); } @@ -321,6 +324,8 @@ Fl_Color fl_color_; For colormapped displays, a color cell will be allocated out of \a fl_colormap the first time you use a color. If the colormap fills up then a least-squares algorithm is used to find the closest color. + If no valid graphical context (fl_gc) is available, + the foreground is not set for the current window. \param[in] i color */ void fl_color(Fl_Color i) { @@ -329,6 +334,7 @@ void fl_color(Fl_Color i) { fl_color((uchar)(rgb >> 24), (uchar)(rgb >> 16), (uchar)(rgb >> 8)); } else { fl_color_ = i; + if(!fl_gc) return; // don't get a default gc if current window is not yet created/valid XSetForeground(fl_display, fl_gc, fl_xpixel(i)); } } |