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Diffstat (limited to 'src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h')
-rw-r--r--src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h
index c9a6c916e..3e069040f 100644
--- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.h
@@ -44,7 +44,7 @@ public:
static const char *class_id;
const char *class_name() {return class_id;};
virtual int has_feature(driver_feature mask) { return mask & NATIVE; }
- virtual void set_gc(void *ctxt) {gc = (CGContextRef)ctxt;}
+ virtual void set_gc(void *ctxt) {if (ctxt != gc) global_gc(); gc = (CGContextRef)ctxt; }
virtual void *get_gc() {return gc;}
char can_do_alpha_blending();