magic/graphics/grTCairoInt.h

/*
 * 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();