Added libXft-2.2.0 fontconfig-2.8.0 libXrender-0.9.6

1 files changed, 177 insertions, 0 deletions

diff --git a/libXft/src/xftxlfd.c b/libXft/src/xftxlfd.c
new file mode 100644
index 000000000..7c1991163
--- /dev/null
+++ b/libXft/src/xftxlfd.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * 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"
+
+static XftSymbolic XftXlfdWeights[] = {
+    {	"light",    FC_WEIGHT_LIGHT	},
+    {	"medium",   FC_WEIGHT_MEDIUM	},
+    {	"regular",  FC_WEIGHT_MEDIUM	},
+    {	"demibold", FC_WEIGHT_DEMIBOLD },
+    {	"bold",	    FC_WEIGHT_BOLD	},
+    {	"black",    FC_WEIGHT_BLACK	},
+};
+
+#define NUM_XLFD_WEIGHTS    (sizeof XftXlfdWeights/sizeof XftXlfdWeights[0])
+
+static XftSymbolic XftXlfdSlants[] = {
+    {	"r",	    FC_SLANT_ROMAN	},
+    {	"i",	    FC_SLANT_ITALIC	},
+    {	"o",	    FC_SLANT_OBLIQUE	},
+};
+
+#define NUM_XLFD_SLANTS    (sizeof XftXlfdSlants/sizeof XftXlfdSlants[0])
+
+/*
+ * Cut out one XLFD field, placing it in 'save' and return
+ * the start of 'save'
+ */
+static char *
+XftSplitStr (const char *field, char *save)
+{
+    char    *s = save;
+    char    c;
+
+    while (*field)
+    {
+	if (*field == '-')
+	    break;
+	c = *field++;
+	*save++ = c;
+    }
+    *save = 0;
+    return s;
+}
+
+/*
+ * convert one XLFD numeric field.  Return -1 if the field is '*'
+ */
+
+static const char *
+XftGetInt(const char *ptr, int *val)
+{
+    if (*ptr == '*') {
+	*val = -1;
+	ptr++;
+    } else
+	for (*val = 0; *ptr >= '0' && *ptr <= '9';)
+	    *val = *val * 10 + *ptr++ - '0';
+    if (*ptr == '-')
+	return ptr;
+    return (char *) 0;
+}
+
+_X_EXPORT FcPattern *
+XftXlfdParse (const char *xlfd_orig, FcBool ignore_scalable, FcBool complete)
+{
+    FcPattern	*pat;
+    const char	*xlfd = xlfd_orig;
+    const char	*foundry;
+    const char	*family;
+    const char	*weight_name;
+    const char	*slant;
+    const char	*registry;
+    const char	*encoding;
+    char	*save;
+    int		pixel;
+    int		point;
+    int		resx;
+    int		resy;
+    int		slant_value, weight_value;
+    double	dpixel;
+
+    if (*xlfd != '-')
+	return NULL;
+    if (!(xlfd = strchr (foundry = ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (family = ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (weight_name = ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (slant = ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (/* setwidth_name = */ ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (/* add_style_name = */ ++xlfd, '-'))) return NULL;
+    if (!(xlfd = XftGetInt (++xlfd, &pixel))) return NULL;
+    if (!(xlfd = XftGetInt (++xlfd, &point))) return NULL;
+    if (!(xlfd = XftGetInt (++xlfd, &resx))) return NULL;
+    if (!(xlfd = XftGetInt (++xlfd, &resy))) return NULL;
+    if (!(xlfd = strchr (/* spacing = */ ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (/* average_width = */ ++xlfd, '-'))) return NULL;
+    if (!(xlfd = strchr (registry = ++xlfd, '-'))) return NULL;
+    /* make sure no fields follow this one */
+    if ((xlfd = strchr (encoding = ++xlfd, '-'))) return NULL;
+
+    if (!pixel)
+	return NULL;
+    
+    pat = FcPatternCreate ();
+    if (!pat)
+	return NULL;
+    
+    save = (char *) malloc (strlen (foundry) + 1);
+    
+    if (!save) {
+	FcPatternDestroy (pat);
+	return NULL;
+    }
+
+    if (!FcPatternAddString (pat, XFT_XLFD, (FcChar8 *) xlfd_orig)) goto bail;
+    
+    XftSplitStr (foundry, save);
+    if (save[0] && strcmp (save, "*") != 0)
+	if (!FcPatternAddString (pat, FC_FOUNDRY, (FcChar8 *) save)) goto bail;
+    
+    XftSplitStr (family, save);
+    if (save[0] && strcmp (save, "*") != 0)
+	if (!FcPatternAddString (pat, FC_FAMILY, (FcChar8 *) save)) goto bail;
+    
+    weight_value = _XftMatchSymbolic (XftXlfdWeights, NUM_XLFD_WEIGHTS,
+				      XftSplitStr (weight_name, save),
+				      FC_WEIGHT_MEDIUM);
+    if (!FcPatternAddInteger (pat, FC_WEIGHT, weight_value)) 
+	goto bail;
+    
+    slant_value = _XftMatchSymbolic (XftXlfdSlants, NUM_XLFD_SLANTS,
+				     XftSplitStr (slant, save),
+				     FC_SLANT_ROMAN);
+    if (!FcPatternAddInteger (pat, FC_SLANT, slant_value)) 
+	goto bail;
+    
+    dpixel = (double) pixel;
+    
+    if (point > 0)
+    {
+	if (!FcPatternAddDouble (pat, FC_SIZE, ((double) point) / 10.0)) goto bail;
+	if (pixel <= 0 && resy > 0)
+	{
+	    dpixel = (double) point * (double) resy / 720.0;
+	}
+    }
+    
+    if (dpixel > 0)
+	if (!FcPatternAddDouble (pat, FC_PIXEL_SIZE, dpixel)) goto bail;
+    
+    free (save);
+    return pat;
+    
+bail:
+    free (save);
+    FcPatternDestroy (pat);
+    return NULL;
+}