diff --git a/FL/Fl.H b/FL/Fl.H index a8f1db765..03924b234 100644 --- a/FL/Fl.H +++ b/FL/Fl.H @@ -166,6 +166,9 @@ public: // should be private! static int compose_state; // used for dead keys (WIN32) or marked text (MacOS) static void call_screen_init(); // recompute screen number and dimensions #ifdef __APPLE__ +# ifdef FLTK_HAVE_CAIRO + static bool using_cairo_context; +# endif static void reset_marked_text(); // resets marked text static void insertion_point_location(int x, int y, int height); // sets window coordinates & height of insertion point #endif diff --git a/cairo/Fl_Cairo.cxx b/cairo/Fl_Cairo.cxx index 6207d3c2e..6208272b2 100644 --- a/cairo/Fl_Cairo.cxx +++ b/cairo/Fl_Cairo.cxx @@ -34,6 +34,7 @@ # elif defined(WIN32) # include # elif defined(__APPLE_QUARTZ__) +bool Fl::using_cairo_context = false; # include # else # error Cairo is not supported on this platform. @@ -78,9 +79,15 @@ cairo_t * Fl::cairo_make_current(Fl_Window* wi) { if (fl_gc==0) { // means remove current cc Fl::cairo_cc(0); // destroy any previous cc cairo_state_.window(0); +#if defined(__APPLE_QUARTZ__) + Fl::using_cairo_context = false; +#endif return 0; } +#if defined(__APPLE_QUARTZ__) + Fl::using_cairo_context = true; +#endif // don't re-create a context if it's the same gc/window couple if (fl_gc==Fl::cairo_state_.gc() && fl_xid(wi) == (Window) Fl::cairo_state_.window()) return Fl::cairo_cc(); diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm index cd4060e78..36c67a2e0 100644 --- a/src/Fl_cocoa.mm +++ b/src/Fl_cocoa.mm @@ -36,9 +36,8 @@ extern "C" { #include } - -#include #include +#include #include #include #include @@ -2421,8 +2420,20 @@ static CGContextRef prepare_bitmap_for_layer(int w, int h ) { } if (window->damage()) { through_drawRect = YES; +#ifdef FLTK_HAVE_CAIRO + CGFloat before_flush = CGContextGetCTM(layer_gc).d; + Fl::using_cairo_context = false; +#endif i->flush(); Fl_X::q_release_context(); +#ifdef FLTK_HAVE_CAIRO + if (Fl::using_cairo_context && CGContextGetCTM(layer_gc).d != before_flush ) { + // necessary for Cairo and layer-backed views + CGContextRestoreGState(layer_gc); + CGContextSaveGState(layer_gc); + } + Fl::using_cairo_context = false; +#endif through_drawRect = NO; window->clear_damage(); if (layer_gc) {