Initial revision

1 files changed, 333 insertions, 0 deletions

diff --git a/Modules/fmmodule.c b/Modules/fmmodule.c
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+++ b/Modules/fmmodule.c
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+/***********************************************************
+Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The
+Netherlands.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+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 names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM 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.
+
+******************************************************************/
+
+/* Font Manager module */
+
+#include "allobjects.h"
+
+#include "modsupport.h"
+
+#include <gl.h>
+#include <device.h>
+#include <fmclient.h>
+
+
+/* Font Handle object implementation */
+
+typedef struct {
+	OB_HEAD
+	fmfonthandle fh_fh;
+} fhobject;
+
+extern typeobject Fhtype;	/* Really static, forward */
+
+#define is_fhobject(v)		((v)->ob_type == &Fhtype)
+
+static object *
+newfhobject(fh)
+	fmfonthandle fh;
+{
+	fhobject *fhp;
+	if (fh == NULL) {
+		err_setstr(RuntimeError, "error creating new font handle");
+		return NULL;
+	}
+	fhp = NEWOBJ(fhobject, &Fhtype);
+	if (fhp == NULL)
+		return NULL;
+	fhp->fh_fh = fh;
+	return (object *)fhp;
+}
+
+/* Font Handle methods */
+
+static object *
+fh_scalefont(self, args)
+	fhobject *self;
+	object *args;
+{
+	double size;
+	if (!getdoublearg(args, &size))
+		return NULL;
+	return newfhobject(fmscalefont(self->fh_fh, size));
+}
+
+/* XXX fmmakefont */
+
+static object *
+fh_setfont(self, args)
+	fhobject *self;
+	object *args;
+{
+	if (!getnoarg(args))
+		return NULL;
+	fmsetfont(self->fh_fh);
+	INCREF(None);
+	return None;
+}
+
+static object *
+fh_getfontname(self, args)
+	fhobject *self;
+	object *args;
+{
+	char fontname[256];
+	int len;
+	if (!getnoarg(args))
+		return NULL;
+	len = fmgetfontname(self->fh_fh, sizeof fontname, fontname);
+	if (len < 0) {
+		err_setstr(RuntimeError, "error in fmgetfontname");
+		return NULL;
+	}
+	return newsizedstringobject(fontname, len);
+}
+
+static object *
+fh_getcomment(self, args)
+	fhobject *self;
+	object *args;
+{
+	char comment[256];
+	int len;
+	if (!getnoarg(args))
+		return NULL;
+	len = fmgetcomment(self->fh_fh, sizeof comment, comment);
+	if (len < 0) {
+		err_setstr(RuntimeError, "error in fmgetcomment");
+		return NULL;
+	}
+	return newsizedstringobject(comment, len);
+}
+
+static object *
+fh_getfontinfo(self, args)
+	fhobject *self;
+	object *args;
+{
+	fmfontinfo info;
+	object *v;
+	if (!getnoarg(args))
+		return NULL;
+	if (fmgetfontinfo(self->fh_fh, &info) < 0) {
+		err_setstr(RuntimeError, "error in fmgetfontinfo");
+		return NULL;
+	}
+	v = newtupleobject(8);
+	if (v == NULL)
+		return NULL;
+#define SET(i, member) settupleitem(v, i, newintobject(info.member))
+	SET(0, printermatched);
+	SET(1, fixed_width);
+	SET(2, xorig);
+	SET(3, yorig);
+	SET(4, xsize);
+	SET(5, ysize);
+	SET(6, height);
+	SET(7, nglyphs);
+#undef SET
+	if (err_occurred())
+		return NULL;
+	return v;
+}
+
+#if 0
+static object *
+fh_getwholemetrics(self, args)
+	fhobject *self;
+	object *args;
+{
+}
+#endif
+
+static object *
+fh_getstrwidth(self, args)
+	fhobject *self;
+	object *args;
+{
+	object *str;
+	if (!getstrarg(args, &str))
+		return NULL;
+	return newintobject(fmgetstrwidth(self->fh_fh, getstringvalue(str)));
+}
+
+static struct methodlist fh_methods[] = {
+	{"scalefont",	fh_scalefont},
+	{"setfont",	fh_setfont},
+	{"getfontname",	fh_getfontname},
+	{"getcomment",	fh_getcomment},
+	{"getfontinfo",	fh_getfontinfo},
+#if 0
+	{"getwholemetrics",	fh_getwholemetrics},
+#endif
+	{"getstrwidth",	fh_getstrwidth},
+	{NULL,		NULL}		/* sentinel */
+};
+
+static object *
+fh_getattr(fhp, name)
+	fhobject *fhp;
+	char *name;
+{
+	return findmethod(fh_methods, (object *)fhp, name);
+}
+
+static void
+fh_dealloc(fhp)
+	fhobject *fhp;
+{
+	fmfreefont(fhp->fh_fh);
+	DEL(fhp);
+}
+
+static typeobject Fhtype = {
+	OB_HEAD_INIT(&Typetype)
+	0,			/*ob_size*/
+	"font handle",		/*tp_name*/
+	sizeof(fhobject),	/*tp_size*/
+	0,			/*tp_itemsize*/
+	/* methods */
+	fh_dealloc,	/*tp_dealloc*/
+	0,		/*tp_print*/
+	fh_getattr,	/*tp_getattr*/
+	0,		/*tp_setattr*/
+	0,		/*tp_compare*/
+	0,		/*tp_repr*/
+};
+
+
+/* Font Manager functions */
+
+static object *
+fm_init(self, args)
+	object *self, *args;
+{
+	if (!getnoarg(args))
+		return NULL;
+	fminit();
+	INCREF(None);
+	return None;
+}
+
+static object *
+fm_findfont(self, args)
+	object *self, *args;
+{
+	object *str;
+	if (!getstrarg(args, &str))
+		return NULL;
+	return newfhobject(fmfindfont(getstringvalue(str)));
+}
+
+static object *
+fm_prstr(self, args)
+	object *self, *args;
+{
+	object *str;
+	if (!getstrarg(args, &str))
+		return NULL;
+	fmprstr(getstringvalue(str));
+	INCREF(None);
+	return None;
+}
+
+/* XXX This uses a global variable as temporary! Not re-entrant! */
+
+static object *fontlist;
+
+static void
+clientproc(fontname)
+	char *fontname;
+{
+	int err;
+	object *v;
+	if (fontlist == NULL)
+		return;
+	v = newstringobject(fontname);
+	if (v == NULL)
+		err = -1;
+	else {
+		err = addlistitem(fontlist, v);
+		DECREF(v);
+	}
+	if (err != 0) {
+		DECREF(fontlist);
+		fontlist = NULL;
+	}
+}
+
+static object *
+fm_enumerate(self, args)
+	object *self, *args;
+{
+	object *res;
+	if (!getnoarg(args))
+		return NULL;
+	fontlist = newlistobject(0);
+	if (fontlist == NULL)
+		return NULL;
+	fmenumerate(clientproc);
+	res = fontlist;
+	fontlist = NULL;
+	return res;
+}
+
+static object *
+fm_setpath(self, args)
+	object *self, *args;
+{
+	object *str;
+	if (!getstrarg(args, &str))
+		return NULL;
+	fmsetpath(getstringvalue(str));
+	INCREF(None);
+	return None;
+}
+
+static object *
+fm_fontpath(self, args)
+	object *self, *args;
+{
+	if (!getnoarg(args))
+		return NULL;
+	return newstringobject(fmfontpath());
+}
+
+static struct methodlist fm_methods[] = {
+	{"init",	fm_init},
+	{"findfont",	fm_findfont},
+	{"enumerate",	fm_enumerate},
+	{"prstr",	fm_prstr},
+	{"setpath",	fm_setpath},
+	{"fontpath",	fm_fontpath},
+	{NULL,		NULL}		/* sentinel */
+};
+
+
+void
+initfm()
+{
+	initmodule("fm", fm_methods);
+	fminit();
+}