ref: 1e8eb61a3715b12d8bc1cfd866f5bb180f2941f2
dir: /sys/src/cmd/python/Modules/fmmodule.c/
/* Font Manager module */ #include "Python.h" #include <gl.h> #include <device.h> #include <fmclient.h> /* Font Handle object implementation */ typedef struct { PyObject_HEAD fmfonthandle fh_fh; } fhobject; static PyTypeObject Fhtype; #define is_fhobject(v) ((v)->ob_type == &Fhtype) static PyObject * newfhobject(fmfonthandle fh) { fhobject *fhp; if (fh == NULL) { PyErr_SetString(PyExc_RuntimeError, "error creating new font handle"); return NULL; } fhp = PyObject_New(fhobject, &Fhtype); if (fhp == NULL) return NULL; fhp->fh_fh = fh; return (PyObject *)fhp; } /* Font Handle methods */ static PyObject * fh_scalefont(fhobject *self, PyObject *args) { double size; if (!PyArg_ParseTuple(args, "d", &size)) return NULL; return newfhobject(fmscalefont(self->fh_fh, size)); } /* XXX fmmakefont */ static PyObject * fh_setfont(fhobject *self) { fmsetfont(self->fh_fh); Py_INCREF(Py_None); return Py_None; } static PyObject * fh_getfontname(fhobject *self) { char fontname[256]; int len; len = fmgetfontname(self->fh_fh, sizeof fontname, fontname); if (len < 0) { PyErr_SetString(PyExc_RuntimeError, "error in fmgetfontname"); return NULL; } return PyString_FromStringAndSize(fontname, len); } static PyObject * fh_getcomment(fhobject *self) { char comment[256]; int len; len = fmgetcomment(self->fh_fh, sizeof comment, comment); if (len < 0) { PyErr_SetString(PyExc_RuntimeError, "error in fmgetcomment"); return NULL; } return PyString_FromStringAndSize(comment, len); } static PyObject * fh_getfontinfo(fhobject *self) { fmfontinfo info; if (fmgetfontinfo(self->fh_fh, &info) < 0) { PyErr_SetString(PyExc_RuntimeError, "error in fmgetfontinfo"); return NULL; } return Py_BuildValue("(llllllll)", info.printermatched, info.fixed_width, info.xorig, info.yorig, info.xsize, info.ysize, info.height, info.nglyphs); } #if 0 static PyObject * fh_getwholemetrics(fhobject *self, PyObject *args) { } #endif static PyObject * fh_getstrwidth(fhobject *self, PyObject *args) { char *str; if (!PyArg_ParseTuple(args, "s", &str)) return NULL; return PyInt_FromLong(fmgetstrwidth(self->fh_fh, str)); } static PyMethodDef fh_methods[] = { {"scalefont", (PyCFunction)fh_scalefont, METH_VARARGS}, {"setfont", (PyCFunction)fh_setfont, METH_NOARGS}, {"getfontname", (PyCFunction)fh_getfontname, METH_NOARGS}, {"getcomment", (PyCFunction)fh_getcomment, METH_NOARGS}, {"getfontinfo", (PyCFunction)fh_getfontinfo, METH_NOARGS}, #if 0 {"getwholemetrics", (PyCFunction)fh_getwholemetrics, METH_VARARGS}, #endif {"getstrwidth", (PyCFunction)fh_getstrwidth, METH_VARARGS}, {NULL, NULL} /* sentinel */ }; static PyObject * fh_getattr(fhobject *fhp, char *name) { return Py_FindMethod(fh_methods, (PyObject *)fhp, name); } static void fh_dealloc(fhobject *fhp) { fmfreefont(fhp->fh_fh); PyObject_Del(fhp); } static PyTypeObject Fhtype = { PyObject_HEAD_INIT(&PyType_Type) 0, /*ob_size*/ "fm.font handle", /*tp_name*/ sizeof(fhobject), /*tp_size*/ 0, /*tp_itemsize*/ /* methods */ (destructor)fh_dealloc, /*tp_dealloc*/ 0, /*tp_print*/ (getattrfunc)fh_getattr, /*tp_getattr*/ 0, /*tp_setattr*/ 0, /*tp_compare*/ 0, /*tp_repr*/ }; /* Font Manager functions */ static PyObject * fm_init(PyObject *self) { fminit(); Py_INCREF(Py_None); return Py_None; } static PyObject * fm_findfont(PyObject *self, PyObject *args) { char *str; if (!PyArg_ParseTuple(args, "s", &str)) return NULL; return newfhobject(fmfindfont(str)); } static PyObject * fm_prstr(PyObject *self, PyObject *args) { char *str; if (!PyArg_ParseTuple(args, "s", &str)) return NULL; fmprstr(str); Py_INCREF(Py_None); return Py_None; } /* XXX This uses a global variable as temporary! Not re-entrant! */ static PyObject *fontlist; static void clientproc(char *fontname) { int err; PyObject *v; if (fontlist == NULL) return; v = PyString_FromString(fontname); if (v == NULL) err = -1; else { err = PyList_Append(fontlist, v); Py_DECREF(v); } if (err != 0) { Py_DECREF(fontlist); fontlist = NULL; } } static PyObject * fm_enumerate(PyObject *self) { PyObject *res; fontlist = PyList_New(0); if (fontlist == NULL) return NULL; fmenumerate(clientproc); res = fontlist; fontlist = NULL; return res; } static PyObject * fm_setpath(PyObject *self, PyObject *args) { char *str; if (!PyArg_ParseTuple(args, "s", &str)) return NULL; fmsetpath(str); Py_INCREF(Py_None); return Py_None; } static PyObject * fm_fontpath(PyObject *self) { return PyString_FromString(fmfontpath()); } static PyMethodDef fm_methods[] = { {"init", fm_init, METH_NOARGS}, {"findfont", fm_findfont, METH_VARARGS}, {"enumerate", fm_enumerate, METH_NOARGS}, {"prstr", fm_prstr, METH_VARARGS}, {"setpath", fm_setpath, METH_VARARGS}, {"fontpath", fm_fontpath, METH_NOARGS}, {NULL, NULL} /* sentinel */ }; void initfm(void) { Py_InitModule("fm", fm_methods); if (m == NULL) return; fminit(); }