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gridP.h

/* $Xorg: gridP.h,v 1.4 2001/02/09 02:05:41 xorgcvs Exp $ */
/*

Copyright 1993, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from The Open Group.

*/
/* $XFree86$ */

#ifndef _FontGridP_h_
#define _FontGridP_h_

#include "grid.h"

typedef struct _FontGridClassPart { int dummy; } FontGridClassPart;

typedef struct _FontGridClassRec {
    CoreClassPart core_class;
    SimpleClassPart     simple_class;
    FontGridClassPart   grid_class;
} FontGridClassRec;
extern FontGridClassRec fontgridClassRec;

typedef struct _FontGridPart {
    XFontStruct * text_font;        /* font to display */
    int                 cell_cols, cell_rows;  /* number of cells */
    int                 cell_width, cell_height;  /* size of cell */
#ifndef XRENDER
    Pixel         foreground_pixel; /* color of text */
#endif
    Pixel         box_pixel;  /* for box_chars */
    Boolean       center_chars;     /* center characters in grid */
    Boolean       box_chars;  /* put box around logical width */
    XtCallbackList      callbacks;  /* for notifying caller */
    int                 internal_pad;     /* extra padding inside grid */
    long          start_char; /* first character of grid */
    int                 grid_width; /* width of grid lines */
    /* private data */
    GC                  text_gc;    /* printing text */
    GC                  box_gc;           /* for box_chars */
    int                 xoff, yoff; /* extra offsets within grid */
#ifdef XRENDER
    XftDraw       *draw;
    XftColor            fg_color;
    XftFont       *text_face;
#endif
} FontGridPart;

typedef struct _FontGridRec {
    CorePart            core;
    SimplePart          simple;
    FontGridPart  fontgrid;
} FontGridRec;

#ifdef XRENDER

#define GridFontHeight(g)   ((g)->fontgrid.text_face ? \
                       (g)->fontgrid.text_face->height : \
                       (g)->fontgrid.text_font ? \
                       (g)->fontgrid.text_font->ascent + \
                       (g)->fontgrid.text_font->descent : 1)
#define GridFontAscent(g)   ((g)->fontgrid.text_face ? \
                       (g)->fontgrid.text_face->ascent : \
                       (g)->fontgrid.text_font ? \
                       (g)->fontgrid.text_font->ascent: 1)
#define GridFontWidth(g)    ((g)->fontgrid.text_face ? \
                       (g)->fontgrid.text_face->max_advance_width : \
                       (g)->fontgrid.text_font ? \
                       (g)->fontgrid.text_font->max_bounds.width : 1)
#define GridForeground(g)   ((g)->fontgrid.fg_color.pixel)
                       
#else /* XRENDER */
                       
#define GridFontHeight(g)   ((g)->fontgrid.text_font->ascent + \
                       (g)->fontgrid.text_font->descent)
#define GridFontAscent(g)   ((g)->fontgrid.text_font ? \
                       (g)->fontgrid.text_font->ascent: 1)
#define GridFontWidth(g)    ((g)->fontgrid.text_font->max_bounds.width)
#define GridForeground(g)   ((g)->fontgrid.foreground_pixel)
                       
#endif /* else XRENDER */

#define DefaultCellWidth(fgw) (GridFontWidth(fgw) \
                         + ((fgw)->fontgrid.internal_pad * 2))
#define DefaultCellHeight(fgw) (GridFontHeight(fgw) + \
                        ((fgw)->fontgrid.internal_pad * 2))

#define CellWidth(fgw) (((int)(fgw)->core.width - (fgw)->fontgrid.grid_width) \
                  / (fgw)->fontgrid.cell_cols \
                  - (fgw)->fontgrid.grid_width)
#define CellHeight(fgw) (((int)(fgw)->core.height - (fgw)->fontgrid.grid_width)\
                   / (fgw)->fontgrid.cell_rows \
                   - (fgw)->fontgrid.grid_width)

#endif /* !_FontGridP_h_ */

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