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/*
* $XFree86: xc/lib/Xft/load.c,v 1.3 2000/10/13 13:41:17 keithp Exp $
*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* 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, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "xftint.h"
FT_Library _XftFTlibrary;
XftFont *
XftLoadFont (Display *dpy, XftFontName *name)
{
XftFontName resolved;
XftFont *font;
XRenderPictFormat pf, *format;
int height, ascent, descent;
int extra;
int div;
pf.depth = 8;
pf.type = PictTypeDirect;
pf.direct.alpha = 0;
pf.direct.alphaMask = 0xff;
format = XRenderFindFormat(dpy,
PictFormatType|
PictFormatDepth|
PictFormatAlpha|
PictFormatAlphaMask,
&pf, 0);
if (!format)
goto bail0;
if (!XftMatch (name, &resolved))
goto bail1;
if ((resolved.mask & XftFontNameFile) == 0)
goto bail1;
if ((resolved.mask & XftFontNameSize) == 0)
resolved.size = 12 * 64;
if ((resolved.mask & XftFontNameRotation) == 0)
resolved.rotation = 0;
if ((resolved.mask & XftFontNameSpacing) == 0)
resolved.spacing = XftFontSpacingAny;
font = malloc (sizeof (XftFont));
if (!font)
goto bail1;
if (!_XftFTlibrary)
{
if (FT_Init_FreeType( &_XftFTlibrary ))
goto bail2;
}
if (FT_New_Face( _XftFTlibrary, resolved.file, 0, &font->face))
goto bail1;
font->size = resolved.size;
font->min_char = 0;
font->max_char = 255;
font->realized = 0;
font->nrealized = 0;
font->monospace = resolved.spacing != XftFontSpacingAny;
font->format = format;
height = font->face->height;
ascent = font->face->ascender;
descent = font->face->descender;
if (descent < 0) descent = - descent;
extra = (height - (ascent + descent));
if (extra > 0)
{
ascent = ascent + extra / 2;
descent = height - ascent;
}
else if (extra < 0)
height = ascent + descent;
div = font->face->units_per_EM;
if (height > div * 5)
div *= 10;
font->descent = descent * font->size / (64 * div);
font->ascent = ascent * font->size / (64 * div);
font->height = height * font->size / (64 * div);
font->max_advance_width = font->face->max_advance_width * font->size / (64 * font->face->units_per_EM);
#if 0
if ( FT_Set_Char_Size (font->face, 0, font->size, 72, 72))
goto bail3;
#endif
if ( FT_Set_Pixel_Sizes (font->face, font->size >> 6, font->size >> 6))
goto bail3;
#if 0
for (charmap = 0; charmap < font->face->num_charmaps; charmap++)
if (font->face->charmaps[charmap]->encoding == ft_encoding_unicode)
break;
if (charmap == font->face->num_charmaps)
goto bail3;
error = FT_Set_Charmap(font->face,
font->face->charmaps[charmap]);
if (error)
goto bail3;
#endif
font->glyphset = XRenderCreateGlyphSet (dpy, format);
return font;
bail3:
FT_Done_Face (font->face);
bail2:
free (font);
bail1:
if (resolved.face != name->face)
free (resolved.face);
if (resolved.file != name->file)
free (resolved.file);
if (resolved.encoding != name->encoding)
free (resolved.encoding);
bail0:
return 0;
}
void
XftFreeFont (Display *dpy, XftFont *font)
{
FT_Done_Face (font->face);
free (font);
}
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