From 0ac5b5d3c229786e9d73141d0d4a92010631802b Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Fri, 30 Apr 2004 14:39:52 +0000
Subject: Added new global variables extracted from the widget structure.

---
 generic/tkZinc.h | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

(limited to 'generic/tkZinc.h')

diff --git a/generic/tkZinc.h b/generic/tkZinc.h
index 361fdd2..5ff75b1 100644
--- a/generic/tkZinc.h
+++ b/generic/tkZinc.h
@@ -34,6 +34,7 @@
 #include "Item.h"
 #include "List.h"
 #include "MapInfo.h"
+#include "glu.h"
 
 typedef struct _ZnTagSearch {
   ZnWInfo	*wi;
@@ -60,6 +61,25 @@ typedef struct _ZnTagSearch {
   ZnList	item_stack;
 } ZnTagSearch;
 
+/*
+ * Structure used by the tesselator.
+ */
+typedef struct _ZnCombineData {
+  ZnReal		v[2];
+  struct _ZnCombineData	*next;
+} ZnCombineData;
+
+typedef struct _ZnTess {
+  GLUtesselator	*tess;
+  ZnCombineData	*combine_list;
+  int		type;
+} ZnTess;
+
+ZnList	   ZnWorkPoints;
+ZnList	   ZnWorkXPoints;
+ZnList	   ZnWorkStrings;
+ZnTess	   ZnTesselator;
+
 #ifdef GL
 typedef struct _ZnGLContextEntry {
   ZnGLContext	context;
@@ -67,7 +87,10 @@ typedef struct _ZnGLContextEntry {
   ZnReal	max_line_width;
   ZnReal	max_point_width;
   unsigned int	max_tex_size;
-#ifdef WIN
+#ifdef _WIN32
+  PIXELFORMATDESCRIPTOR pfd;
+  int		ipixel;
+  HWND		hwnd;	/* Temporary storage between MakeCurrent and Release */
   HDC		hdc;
 #else
   XVisualInfo	*visual; /* Should these two be managed by screen ? */
@@ -77,8 +100,12 @@ typedef struct _ZnGLContextEntry {
 } ZnGLContextEntry;
 
 ZnGLContextEntry *ZnGetGLContext(Display *dpy);
-void ZnGLMakeCurrent(Display *dpy, Tk_Window win);
-void ZnGLSwapBuffers(Display *dpy, Tk_Window win);
+ZnGLContextEntry *ZnGLMakeCurrent(Display *dpy, Tk_Window win);
+#ifdef _WIN32
+void ZnGLReleaseContext(ZnGLContextEntry *ce);
+#else
+#define ZnGLReleaseContext(ce)
+#endif
 #endif
 
 int ZnParseCoordList(ZnWInfo *wi, Tcl_Obj *arg, ZnPoint **pts,
-- 
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