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/*
* This file is part of RUfl
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license
* Copyright 2006 James Bursa <james@semichrome.net>
*/
/* Python module for RUfl. */
#include "Python.h"
#include "rufl.h"
static char pyrufl_paint__doc__[] =
"paint(font_family, font_style, font_size, string, x, y, flags)\n\n"
"Render Unicode text."
;
static PyObject *
pyrufl_paint(PyObject *self /* Not used */, PyObject *args)
{
const char *font_family;
rufl_style font_style;
unsigned int font_size;
const char *string;
int length;
int x;
int y;
unsigned int flags;
if (!PyArg_ParseTuple(args, "siIs#iiI",
&font_family, &font_style, &font_size,
&string, &length, &x, &y, &flags))
return NULL;
rufl_paint(font_family, font_style, font_size, string, length,
x, y, flags);
Py_INCREF(Py_None);
return Py_None;
}
static char pyrufl_width__doc__[] =
"width(font_family, font_style, font_size, string)\n\n"
"Return the width of Unicode text."
;
static PyObject *
pyrufl_width(PyObject *self /* Not used */, PyObject *args)
{
const char *font_family;
rufl_style font_style;
unsigned int font_size;
const char *string;
int length;
int width = 0;
if (!PyArg_ParseTuple(args, "siIs#",
&font_family, &font_style, &font_size,
&string, &length))
return NULL;
rufl_width(font_family, font_style, font_size, string, length,
&width);
return PyInt_FromLong(width);
}
static char pyrufl_x_to_offset__doc__[] =
"x_to_offset(font_family, font_style, font_size, string, click_x)\n\n"
"Return a pair of the character offset in string that click_x falls,\n"
"and the actual x coordinate for that character offset."
;
static PyObject *
pyrufl_x_to_offset(PyObject *self /* Not used */, PyObject *args)
{
const char *font_family;
rufl_style font_style;
unsigned int font_size;
const char *string;
int length;
int click_x;
size_t char_offset = 0;
int actual_x = 0;
if (!PyArg_ParseTuple(args, "siIs#i",
&font_family, &font_style, &font_size,
&string, &length, &click_x))
return NULL;
rufl_x_to_offset(font_family, font_style, font_size, string, length,
click_x,
&char_offset, &actual_x);
return Py_BuildValue("ii", (int) char_offset, actual_x);
}
static char pyrufl_split__doc__[] =
"split(font_family, font_style, font_size, string, width)\n\n"
"Return a pair of the character offset in string that fits in width,\n"
"and the actual x coordinate for that character offset."
;
static PyObject *
pyrufl_split(PyObject *self /* Not used */, PyObject *args)
{
const char *font_family;
rufl_style font_style;
unsigned int font_size;
const char *string;
int length;
int width;
size_t char_offset = 0;
int actual_x = 0;
if (!PyArg_ParseTuple(args, "siIs#i",
&font_family, &font_style, &font_size,
&string, &length, &width))
return NULL;
rufl_split(font_family, font_style, font_size, string, length,
width,
&char_offset, &actual_x);
return Py_BuildValue("ii", (int) char_offset, actual_x);
}
static char pyrufl_invalidate_cache__doc__[] =
"invalidate_cache()\n\n"
"Clear the internal font handle cache.\n"
"Call this function on mode changes or output redirection changes."
;
static PyObject *
pyrufl_invalidate_cache(PyObject *self /* Not used */, PyObject *args)
{
if (!PyArg_ParseTuple(args, ""))
return NULL;
rufl_invalidate_cache();
Py_INCREF(Py_None);
return Py_None;
}
/* List of methods defined in the module */
static struct PyMethodDef pyrufl_methods[] = {
{"paint", (PyCFunction)pyrufl_paint, METH_VARARGS, pyrufl_paint__doc__},
{"width", (PyCFunction)pyrufl_width, METH_VARARGS, pyrufl_width__doc__},
{"x_to_offset", (PyCFunction)pyrufl_x_to_offset, METH_VARARGS,
pyrufl_x_to_offset__doc__},
{"split", (PyCFunction)pyrufl_split, METH_VARARGS, pyrufl_split__doc__},
{"invalidate_cache", (PyCFunction)pyrufl_invalidate_cache, METH_VARARGS,
pyrufl_invalidate_cache__doc__},
{NULL, (PyCFunction)NULL, 0, NULL} /* sentinel */
};
/* Initialization function for the module (*must* be called initrufl) */
static char pyrufl_module_documentation[] =
"This module provides access to the RISC OS Unicode font library\n"
"All string parameters must be in UTF-8."
;
void
initrufl(void)
{
PyObject *module;
rufl_code code;
code = rufl_init();
if (code != rufl_OK)
Py_FatalError("rufl_init() failed");
Py_AtExit(rufl_quit);
/* Create the module and add the functions */
module = Py_InitModule4("rufl", pyrufl_methods,
pyrufl_module_documentation,
(PyObject *) NULL, PYTHON_API_VERSION);
/* Add some symbolic constants to the module */
PyModule_AddIntConstant(module, "regular", rufl_REGULAR);
PyModule_AddIntConstant(module, "slanted", rufl_SLANTED);
PyModule_AddIntConstant(module, "bold", rufl_BOLD);
PyModule_AddIntConstant(module, "bold_slanted", rufl_BOLD_SLANTED);
PyModule_AddIntConstant(module, "blend", rufl_BLEND_FONT);
/* Check for errors */
if (PyErr_Occurred())
Py_FatalError("can't initialize module rufl");
}
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