early-access version 2853

externals/vcpkg/ports/mathgl/fix_default_graph_init.patch

@@ -0,0 +1,21 @@
+diff --git "a/src/canvas_cf.cpp" "b/src/canvas_cf.cpp"
+index 5e1443a..26a0a8e 100644
+--- "a/src/canvas_cf.cpp"
++++ "b/src/canvas_cf.cpp"
+@@ -50,7 +50,6 @@ void MGL_EXPORT MGL_FUNC_INIT mgl_init()	// TODO try to add ld option: "-init mg
+ #endif
+ 		for(long i=0;i<360;i++)	mgl_cos[i] = cos(i*M_PI/180.);
+ 		if(!mglDefFont)		mglDefFont = new mglFont(MGL_DEF_FONT_NAME);
+-		if(!mglDefaultGr)	mglDefaultGr = new mglCanvas(600,400);
+ 	}
+ }
+ void MGL_EXPORT MGL_FUNC_FINI mgl_fini()	// TODO try to add ld option: "-fini mgl_fini"
+@@ -434,7 +433,7 @@ void MGL_EXPORT mgl_set_legend_marks(HMGL gr, int num)
+ uintptr_t MGL_EXPORT mgl_create_graph_(int *width, int *height)
+ {	return uintptr_t(new mglCanvas(*width,*height));	}
+ void MGL_EXPORT mgl_delete_graph_(uintptr_t *gr)	{	delete _GR_;	}
+-uintptr_t MGL_EXPORT mgl_default_graph_()	{	return uintptr_t(&mglDefaultGr);	}
++uintptr_t MGL_EXPORT mgl_default_graph_()	{	return uintptr_t(mgl_default_graph());	}
+ void MGL_EXPORT mgl_set_size_scl_(double *scl)	{	mgl_set_size_scl(*scl);	}
+ void MGL_EXPORT mgl_set_size_(uintptr_t *gr, int *width, int *height)
+ {	mgl_set_size(_GR_,*width,*height);	}