Pillow/src/outline.c
2017-12-28 14:49:47 +00:00

193 lines
4.6 KiB
C

/*
* THIS IS WORK IN PROGRESS.
*
* The Python Imaging Library.
*
* "arrow" outline stuff. the contents of this module
* will be merged with the path module and the rest of
* the arrow graphics package, but not before PIL 1.1.
* use at your own risk.
*
* history:
* 99-01-10 fl Added to PIL (experimental)
*
* Copyright (c) Secret Labs AB 1999.
* Copyright (c) Fredrik Lundh 1999.
*
* See the README file for information on usage and redistribution.
*/
#include "Python.h"
#include "Imaging.h"
/* -------------------------------------------------------------------- */
/* Class */
typedef struct {
PyObject_HEAD
ImagingOutline outline;
} OutlineObject;
static PyTypeObject OutlineType;
#define PyOutline_Check(op) (Py_TYPE(op) == &OutlineType)
static OutlineObject*
_outline_new(void)
{
OutlineObject *self;
if (PyType_Ready(&OutlineType) < 0)
return NULL;
self = PyObject_New(OutlineObject, &OutlineType);
if (self == NULL)
return NULL;
self->outline = ImagingOutlineNew();
return self;
}
static void
_outline_dealloc(OutlineObject* self)
{
ImagingOutlineDelete(self->outline);
PyObject_Del(self);
}
ImagingOutline
PyOutline_AsOutline(PyObject* outline)
{
if (PyOutline_Check(outline))
return ((OutlineObject*) outline)->outline;
return NULL;
}
/* -------------------------------------------------------------------- */
/* Factories */
PyObject*
PyOutline_Create(PyObject* self, PyObject* args)
{
if (!PyArg_ParseTuple(args, ":outline"))
return NULL;
return (PyObject*) _outline_new();
}
/* -------------------------------------------------------------------- */
/* Methods */
static PyObject*
_outline_move(OutlineObject* self, PyObject* args)
{
float x0, y0;
if (!PyArg_ParseTuple(args, "ff", &x0, &y0))
return NULL;
ImagingOutlineMove(self->outline, x0, y0);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject*
_outline_line(OutlineObject* self, PyObject* args)
{
float x1, y1;
if (!PyArg_ParseTuple(args, "ff", &x1, &y1))
return NULL;
ImagingOutlineLine(self->outline, x1, y1);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject*
_outline_curve(OutlineObject* self, PyObject* args)
{
float x1, y1, x2, y2, x3, y3;
if (!PyArg_ParseTuple(args, "ffffff", &x1, &y1, &x2, &y2, &x3, &y3))
return NULL;
ImagingOutlineCurve(self->outline, x1, y1, x2, y2, x3, y3);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject*
_outline_close(OutlineObject* self, PyObject* args)
{
if (!PyArg_ParseTuple(args, ":close"))
return NULL;
ImagingOutlineClose(self->outline);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject*
_outline_transform(OutlineObject* self, PyObject* args)
{
double a[6];
if (!PyArg_ParseTuple(args, "(dddddd)", a+0, a+1, a+2, a+3, a+4, a+5))
return NULL;
ImagingOutlineTransform(self->outline, a);
Py_INCREF(Py_None);
return Py_None;
}
static struct PyMethodDef _outline_methods[] = {
{"line", (PyCFunction)_outline_line, 1},
{"curve", (PyCFunction)_outline_curve, 1},
{"move", (PyCFunction)_outline_move, 1},
{"close", (PyCFunction)_outline_close, 1},
{"transform", (PyCFunction)_outline_transform, 1},
{NULL, NULL} /* sentinel */
};
static PyTypeObject OutlineType = {
PyVarObject_HEAD_INIT(NULL, 0)
"Outline", /*tp_name*/
sizeof(OutlineObject), /*tp_size*/
0, /*tp_itemsize*/
/* methods */
(destructor)_outline_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number */
0, /*tp_as_sequence */
0, /*tp_as_mapping */
0, /*tp_hash*/
0, /*tp_call*/
0, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /*tp_flags*/
0, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
_outline_methods, /*tp_methods*/
0, /*tp_members*/
0, /*tp_getset*/
};