diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Image_Surface.cxx | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Fl_Image_Surface.cxx b/src/Fl_Image_Surface.cxx index bf115dcfa..9333d858a 100644 --- a/src/Fl_Image_Surface.cxx +++ b/src/Fl_Image_Surface.cxx @@ -186,9 +186,12 @@ void fl_end_offscreen() { Fl_Surface_Device::pop_current(); } -/** Adapts an offscreen buffer to a changed value of the graphical scaling factor. +/** Adapts an offscreen buffer to a changed value of the scale factor. The \p ctx argument must have been created by fl_create_offscreen() and the calling context must not be between fl_begin_offscreen() and fl_end_offscreen(). + The graphical content of the offscreen is preserved. The current scale factor + value is given by <tt>Fl_Graphics_Driver::default_driver().scale()</tt>. + \version 1.4 */ void fl_scale_offscreen(Fl_Offscreen &ctx) { int i, w, h; |