diff options
| author | Manolo Gouy <Manolo> | 2018-11-08 17:09:24 +0000 |
|---|---|---|
| committer | Manolo Gouy <Manolo> | 2018-11-08 17:09:24 +0000 |
| commit | ff20361f5ab219f5ab2b5204addf548b82c58105 (patch) | |
| tree | 249fbc4bf9dccd19c2cf0ce75caa60e3b7432bf8 | |
| parent | 055de59c1d51eb55068fb3f033c4eb29952b6762 (diff) | |
Support of macOS 10.14 Mojave: take care of the FLTK-Cairo interface.
Discussion "Screen buffer flipped in OSX Mojave running 1.4.x"
in fltk.general,
http://www.fltk.org/newsgroups.php?s36913+gfltk.general+v36915
describes a Cairo-using FLTK app that runs well after this modification.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@13115 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
| -rw-r--r-- | cairo/Fl_Cairo.cxx | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/cairo/Fl_Cairo.cxx b/cairo/Fl_Cairo.cxx index f94e1edf3..b6807a2ea 100644 --- a/cairo/Fl_Cairo.cxx +++ b/cairo/Fl_Cairo.cxx @@ -103,7 +103,14 @@ static cairo_surface_t * cairo_create_surface(void * gc, int W, int H) { # elif defined(_WIN32) return cairo_win32_surface_create((HDC) gc); # elif defined(__APPLE_QUARTZ__) - return cairo_quartz_surface_create_for_cg_context((CGContext*) gc, W, H); + CGAffineTransform mat = CGContextGetCTM((CGContextRef)gc); + if (mat.d > 0) { // necessary for layer-backed Cairo windows + CGContextRestoreGState((CGContextRef)gc); + CGContextRestoreGState((CGContextRef)gc); + CGContextSaveGState((CGContextRef)gc); + CGContextSaveGState((CGContextRef)gc); + } + return cairo_quartz_surface_create_for_cg_context((CGContextRef) gc, W, H); # else # error Cairo is not supported under this platform. # endif |