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-rw-r--r--src/Fl_Cairo.cxx15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/Fl_Cairo.cxx b/src/Fl_Cairo.cxx
index 598c8747e..4116bb1ac 100644
--- a/src/Fl_Cairo.cxx
+++ b/src/Fl_Cairo.cxx
@@ -1,7 +1,7 @@
//
// Special Cairo support for the Fast Light Tool Kit (FLTK).
//
-// Copyright 1998-2023 by Bill Spitzak and others.
+// Copyright 1998-2024 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
@@ -14,13 +14,14 @@
// https://www.fltk.org/bugs.php
//
-// This file implements the FLTK Cairo support (since 1.3.x):
+// This file implements the FLTK Cairo Window support (since 1.3.x):
//
// - ./configure --enable-cairo and/or --enable-cairoext
-// - cmake -DOPTION_CAIRO and/or -DOPTION_CAIROEXT
+// - cmake -D FLTK_OPTION_CAIRO_WINDOW and/or -D FLTK_OPTION_CAIRO_EXT
//
// Preprocessor macro FLTK_HAVE_CAIRO is defined for both options.
-// Preprocessor macro FLTK_HAVE_CAIRO_EXT is defined only for "cairoext"
+// Preprocessor macro FLTK_HAVE_CAIRO_EXT is defined only for "cairoext".
+// Both macros are defined in 'FL/fl_config.h'.
#include <FL/Fl.H> // includes <FL/fl_config.h>
@@ -69,7 +70,7 @@ void Fl_Cairo_State::autolink(bool b) {
autolink_ = b;
#else
Fl::fatal("In Fl::autolink(bool): Cairo autolink() feature is only "
- "available with CMake OPTION_CAIROEXT "
+ "available with CMake FLTK_OPTION_CAIRO_EXT "
"or the enable-cairoext configure option.\n"
"Quitting now.");
#endif
@@ -167,7 +168,7 @@ static cairo_surface_t *cairo_create_surface(void *gc, int W, int H) {
Creates a Cairo context from a \a gc only, gets its window size or
offscreen size if fl_window is null.
- \note Only available if CMake OPTION_CAIRO is enabled
+ \note Only available if CMake FLTK_OPTION_CAIRO_WINDOW is enabled
or configure has the --enable-cairo option.
*/
cairo_t *Fl::cairo_make_current(void *gc) {
@@ -210,7 +211,7 @@ cairo_t *Fl::cairo_make_current(void *gc) {
/**
Creates a Cairo context from a \p gc and the given size.
- \note Only available if CMake OPTION_CAIRO is enabled
+ \note Only available if CMake FLTK_OPTION_CAIRO_WINDOW is enabled
or configure has the --enable-cairo option.
*/
cairo_t *Fl::cairo_make_current(void *gc, int W, int H) {