Update at Fri Aug 4 14:25:41 EDT 2017 by chuan

graphics/grMain.c

@@ -107,6 +107,9 @@ static char *grDisplayTypes[] = {
     "OPEN_GL",
     "OGL",
     "OPENGL",
+#endif
+#ifdef CAIRO
+    "CAIRO",
 #endif
     "NULL",
     NULL};
@@ -127,6 +130,9 @@ static bool (*(grInitProcs[]))() = {
     oglSetDisplay,
     oglSetDisplay,
     oglSetDisplay,
+#endif
+#ifdef CAIRO
+    cairoSetDisplay,
 #endif
     nullSetDisplay,
     NULL};

graphics/grTCairoInt.h

@@ -0,0 +1,116 @@
+/*
+ * grTCairoInt.h --
+ *
+ * Internal definitions for grTCairo[1..5].c.
+ *
+ * NOTE:  In order for the these defs to work correctly, this file
+ * (grTCairoInt.h) must be included after all the Magic .h files and before
+ * the X11, OpenGL, and Tk/Tcl .h files.
+ *
+ * Copyright 2003 Open Circuit Design, Inc., for MultiGiG Ltd.
+ */
+
+#include "utils/magic.h"
+
+/* Constants
+ */
+#define M_WIDTH		1023
+#define M_HEIGHT	750
+
+#define TCAIRO_BATCH_SIZE	10000
+
+/* Current settings for X function parameters */
+typedef struct {
+    Tk_Font		font;
+    Tk_Cursor		cursor;
+    int			fontSize;
+    int			depth;
+    int			maskmod;
+    Tk_Window 		window;
+    Window		windowid;
+    MagWindow		*mw;
+} TCAIRO_CURRENT;
+
+#ifdef Cairo_SERVER_SIDE_ONLY
+typedef Rect TCairoRect;
+#else
+
+/* Used for vertex arrays */
+typedef struct {
+    Point r_ll, r_ul, r_ur, r_lr;
+} TCairoRect;
+
+#endif
+
+extern TCAIRO_CURRENT tcairoCurrent;
+
+extern bool grtcairoGetCursorPos();
+extern bool grtcairoGetCursorRootPos();
+extern bool grtcairoDrawGrid();
+extern void GrTCairoEnableTablet();
+extern void GrTCairoDisableTablet();
+extern void GrTCairoSetCMap();
+extern void grtcairoPutText();
+#ifdef VECTOR_FONTS
+extern void grtcairoFontText();
+#endif
+extern void GrTCairoSetCursor();
+extern void GrTCairoTextSize();
+extern void GrTCairoDrawGlyph();
+extern void GrTCairoBitBlt();
+extern void NullBitBlt();
+extern int GrTCairoReadPixel();
+extern void grtcairoSetLineStyle();
+extern void grtcairoSetCharSize();
+extern void grtcairoSetWMandC();
+extern void grtcairoRectConvert();
+extern void grtcairoFillPolygon();
+
+extern void grtcairoFreeBackingStore();
+extern void grtcairoCreateBackingStore();
+extern bool grtcairoGetBackingStore();
+extern bool grtcairoScrollBackingStore();
+extern void grtcairoPutBackingStore();
+
+extern void grtcairoDrawLine();
+extern void grtcairoDrawLines();
+extern void grtcairoFillRect();
+extern void grtcairoFillRects();
+
+extern int grtcairoNbLines;
+extern int grtcairoNbDiagonal;
+extern int grtcairoNbRects;
+
+extern Rect grtcairoLines[];
+extern Rect grtcairoDiagonal[];
+extern TCairoRect grtcairoRects[];
+
+#define GR_TCAIRO_FLUSH_LINES() { \
+    if (grtcairoNbLines>0) { \
+	grtcairoDrawLines(grtcairoLines, grtcairoNbLines); \
+	grtcairoNbLines=0; \
+    } \
+}
+
+#define GR_TCAIRO_FLUSH_DIAGONAL() { \
+    if (grtcairoNbDiagonal>0) { \
+	glEnable(GL_LINE_SMOOTH); \
+	grtcairoDrawLines(grtcairoDiagonal, grtcairoNbDiagonal); \
+	glDisable(GL_LINE_SMOOTH); \
+	grtcairoNbDiagonal=0; \
+    } \
+}
+
+#define GR_TCAIRO_FLUSH_RECTS() { \
+    if (grtcairoNbRects>0) { \
+	grtcairoFillRects(grtcairoRects, grtcairoNbRects); \
+	grtcairoNbRects=0; \
+    } \
+}
+
+#define	GR_TCAIRO_FLUSH_BATCH() {GR_TCAIRO_FLUSH_LINES(); \
+		GR_TCAIRO_FLUSH_DIAGONAL(); \
+		GR_TCAIRO_FLUSH_RECTS();}
+
+/* Used by the wind3d window */
+extern void TCairoEventProc();