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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2010 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file source/blender/freestyle/intern/python/Interface1D/BPy_Stroke.cpp
* \ingroup freestyle
*/
#include "BPy_Stroke.h"
#include "../BPy_Convert.h"
#include "../BPy_Id.h"
#include "../Interface0D/BPy_SVertex.h"
#include "../Interface0D/CurvePoint/BPy_StrokeVertex.h"
#include "../Iterator/BPy_StrokeVertexIterator.h"
#include "../BPy_MediumType.h"
#ifdef __cplusplus
extern "C" {
#endif
///////////////////////////////////////////////////////////////////////////////////////////
/*----------------------Stroke methods ----------------------------*/
// Stroke ()
// template<class InputVertexIterator> Stroke (InputVertexIterator begin, InputVertexIterator end)
//
// pb: - need to be able to switch representation: InputVertexIterator <=> position
// - is it even used ? not even in SWIG version
PyDoc_STRVAR(Stroke_doc,
"Class hierarchy: :class:`Interface1D` > :class:`Stroke`\n"
"\n"
"Class to define a stroke. A stroke is made of a set of 2D vertices\n"
"(:class:`StrokeVertex`), regularly spaced out. This set of vertices\n"
"defines the stroke's backbone geometry. Each of these stroke vertices\n"
"defines the stroke's shape and appearance at this vertex position.\n"
"\n"
".. method:: Stroke()\n"
"\n"
" Default constructor\n"
"\n"
".. method:: Stroke(brother)\n"
"\n"
" Copy constructor");
static int Stroke_init(BPy_Stroke *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"brother", NULL};
PyObject *brother = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O!", (char **)kwlist, &Stroke_Type, &brother))
return -1;
if (!brother)
self->s = new Stroke();
else
self->s = new Stroke(*(((BPy_Stroke *)brother)->s));
self->py_if1D.if1D = self->s;
self->py_if1D.borrowed = 0;
return 0;
}
static PyObject * Stroke_iter(PyObject *self)
{
StrokeInternal::StrokeVertexIterator sv_it( ((BPy_Stroke *)self)->s->strokeVerticesBegin() );
return BPy_StrokeVertexIterator_from_StrokeVertexIterator( sv_it, 0 );
}
static Py_ssize_t Stroke_sq_length(BPy_Stroke *self)
{
return self->s->strokeVerticesSize();
}
static PyObject *Stroke_sq_item(BPy_Stroke *self, int keynum)
{
if (keynum < 0)
keynum += Stroke_sq_length(self);
if (keynum < 0 || keynum >= Stroke_sq_length(self)) {
PyErr_Format(PyExc_IndexError, "Stroke[index]: index %d out of range", keynum);
return NULL;
}
return BPy_StrokeVertex_from_StrokeVertex(self->s->strokeVerticeAt(keynum));
}
PyDoc_STRVAR(Stroke_compute_sampling_doc,
".. method:: compute_sampling(n)\n"
"\n"
" Compute the sampling needed to get N vertices. If the\n"
" specified number of vertices is less than the actual number of\n"
" vertices, the actual sampling value is returned. (To remove Vertices,\n"
" use the RemoveVertex() method of this class.)\n"
"\n"
" :arg n: The number of stroke vertices we eventually want\n"
" in our Stroke.\n"
" :type n: int\n"
" :return: The sampling that must be used in the Resample(float)\n"
" method.\n"
" :rtype: float");
static PyObject * Stroke_compute_sampling(BPy_Stroke *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"n", NULL};
int i;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", (char **)kwlist, &i))
return NULL;
return PyFloat_FromDouble(self->s->ComputeSampling(i));
}
PyDoc_STRVAR(Stroke_resample_doc,
".. method:: resample(n)\n"
"\n"
" Resamples the stroke so that it eventually has N points. That means\n"
" it is going to add N-vertices_size, where vertices_size is the\n"
" number of points we already have. If vertices_size >= N, no\n"
" resampling is done.\n"
"\n"
" :arg n: The number of vertices we eventually want in our stroke.\n"
" :type n: int\n"
"\n"
".. method:: resample(sampling)\n"
"\n"
" Resamples the stroke with a given sampling. If the sampling is\n"
" smaller than the actual sampling value, no resampling is done.\n"
"\n"
" :arg sampling: The new sampling value.\n"
" :type sampling: float");
static PyObject * Stroke_resample(BPy_Stroke *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist_1[] = {"n", NULL};
static const char *kwlist_2[] = {"sampling", NULL};
int i;
float f;
if (PyArg_ParseTupleAndKeywords(args, kwds, "i", (char **)kwlist_1, &i))
{
self->s->Resample(i);
}
else if (PyErr_Clear(),
PyArg_ParseTupleAndKeywords(args, kwds, "f", (char **)kwlist_2, &f))
{
self->s->Resample(f);
}
else {
PyErr_SetString(PyExc_TypeError, "invalid argument");
return NULL;
}
Py_RETURN_NONE;
}
PyDoc_STRVAR(Stroke_insert_vertex_doc,
".. method:: insert_vertex(vertex, next)\n"
"\n"
" Inserts the StrokeVertex given as argument into the Stroke before the\n"
" point specified by next. The length and curvilinear abscissa are\n"
" updated consequently.\n"
"\n"
" :arg vertex: The StrokeVertex to insert in the Stroke.\n"
" :type vertex: :class:`StrokeVertex`\n"
" :arg next: A StrokeVertexIterator pointing to the StrokeVertex\n"
" before which vertex must be inserted.\n"
" :type next: :class:`StrokeVertexIterator`");
static PyObject * Stroke_insert_vertex(BPy_Stroke *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"vertex", "next", NULL};
PyObject *py_sv = 0, *py_sv_it = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!O!", (char **)kwlist,
&StrokeVertex_Type, &py_sv, &StrokeVertexIterator_Type, &py_sv_it))
{
return NULL;
}
StrokeVertex *sv = ((BPy_StrokeVertex *)py_sv)->sv;
StrokeInternal::StrokeVertexIterator sv_it(*(((BPy_StrokeVertexIterator *)py_sv_it)->sv_it));
self->s->InsertVertex(sv, sv_it);
Py_RETURN_NONE;
}
PyDoc_STRVAR(Stroke_remove_vertex_doc,
".. method:: remove_vertex(vertex)\n"
"\n"
" Removes the StrokeVertex given as argument from the Stroke. The length\n"
" and curvilinear abscissa are updated consequently.\n"
"\n"
" :arg vertex: the StrokeVertex to remove from the Stroke.\n"
" :type vertex: :class:`StrokeVertex`");
static PyObject * Stroke_remove_vertex( BPy_Stroke *self, PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"vertex", NULL};
PyObject *py_sv = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!", (char **)kwlist, &StrokeVertex_Type, &py_sv))
return NULL;
if (((BPy_StrokeVertex *)py_sv)->sv) {
self->s->RemoveVertex(((BPy_StrokeVertex *)py_sv)->sv);
} else {
PyErr_SetString(PyExc_TypeError, "invalid argument");
return NULL;
}
Py_RETURN_NONE;
}
PyDoc_STRVAR(Stroke_update_length_doc,
".. method:: update_length()\n"
"\n"
" Updates the 2D length of the Stroke.");
static PyObject * Stroke_update_length(BPy_Stroke *self)
{
self->s->UpdateLength();
Py_RETURN_NONE;
}
PyDoc_STRVAR(Stroke_stroke_vertices_begin_doc,
".. method:: stroke_vertices_begin(t=0.0)\n"
"\n"
" Returns a StrokeVertexIterator pointing on the first StrokeVertex of\n"
" the Stroke. O ne can specify a sampling value to resample the Stroke\n"
" on the fly if needed.\n"
"\n"
" :arg t: The resampling value with which we want our Stroke to be\n"
" resampled. If 0 is specified, no resampling is done.\n"
" :type t: float\n"
" :return: A StrokeVertexIterator pointing on the first StrokeVertex.\n"
" :rtype: :class:`StrokeVertexIterator`");
static PyObject * Stroke_stroke_vertices_begin( BPy_Stroke *self , PyObject *args, PyObject *kwds)
{
static const char *kwlist[] = {"t", NULL};
float f = 0.0f;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|f", (char **)kwlist, &f))
return NULL;
StrokeInternal::StrokeVertexIterator sv_it(self->s->strokeVerticesBegin(f));
return BPy_StrokeVertexIterator_from_StrokeVertexIterator(sv_it, 0);
}
PyDoc_STRVAR(Stroke_stroke_vertices_end_doc,
".. method:: strokeVerticesEnd()\n"
"\n"
" Returns a StrokeVertexIterator pointing after the last StrokeVertex\n"
" of the Stroke.\n"
"\n"
" :return: A StrokeVertexIterator pointing after the last StrokeVertex.\n"
" :rtype: :class:`StrokeVertexIterator`");
static PyObject * Stroke_stroke_vertices_end(BPy_Stroke *self)
{
StrokeInternal::StrokeVertexIterator sv_it(self->s->strokeVerticesEnd());
return BPy_StrokeVertexIterator_from_StrokeVertexIterator(sv_it, 1);
}
PyDoc_STRVAR(Stroke_stroke_vertices_size_doc,
".. method:: stroke_vertices_size()\n"
"\n"
" Returns the number of StrokeVertex constituing the Stroke.\n"
"\n"
" :return: The number of stroke vertices.\n"
" :rtype: int");
static PyObject * Stroke_stroke_vertices_size(BPy_Stroke *self)
{
return PyLong_FromLong(self->s->strokeVerticesSize());
}
static PyMethodDef BPy_Stroke_methods[] = {
{"compute_sampling", (PyCFunction)Stroke_compute_sampling, METH_VARARGS | METH_KEYWORDS, Stroke_compute_sampling_doc},
{"resample", (PyCFunction)Stroke_resample, METH_VARARGS | METH_KEYWORDS, Stroke_resample_doc},
{"remove_vertex", (PyCFunction)Stroke_remove_vertex, METH_VARARGS | METH_KEYWORDS, Stroke_remove_vertex_doc},
{"insert_vertex", (PyCFunction)Stroke_insert_vertex, METH_VARARGS | METH_KEYWORDS, Stroke_insert_vertex_doc},
{"update_length", (PyCFunction)Stroke_update_length, METH_NOARGS, Stroke_update_length_doc},
{"stroke_vertices_begin", (PyCFunction)Stroke_stroke_vertices_begin, METH_VARARGS | METH_KEYWORDS, Stroke_stroke_vertices_begin_doc},
{"stroke_vertices_end", (PyCFunction)Stroke_stroke_vertices_end, METH_NOARGS, Stroke_stroke_vertices_end_doc},
{"stroke_vertices_size", (PyCFunction)Stroke_stroke_vertices_size, METH_NOARGS, Stroke_stroke_vertices_size_doc},
{NULL, NULL, 0, NULL}
};
/*----------------------Stroke get/setters ----------------------------*/
PyDoc_STRVAR(Stroke_medium_type_doc,
"The MediumType used for this Stroke.\n"
"\n"
":type: :class:`MediumType`");
static PyObject *Stroke_medium_type_get(BPy_Stroke *self, void *UNUSED(closure))
{
return BPy_MediumType_from_MediumType(self->s->getMediumType());
}
static int Stroke_medium_type_set(BPy_Stroke *self, PyObject *value, void *UNUSED(closure))
{
if (!BPy_MediumType_Check(value)) {
PyErr_SetString(PyExc_TypeError, "value must be a MediumType");
return -1;
}
self->s->setMediumType(MediumType_from_BPy_MediumType(value));
return 0;
}
PyDoc_STRVAR(Stroke_texture_id_doc,
"The ID of the texture used to simulate th marks system for this Stroke.\n"
"\n"
":type: int");
static PyObject *Stroke_texture_id_get(BPy_Stroke *self, void *UNUSED(closure))
{
return PyLong_FromLong( self->s->getTextureId() );
}
static int Stroke_texture_id_set(BPy_Stroke *self, PyObject *value, void *UNUSED(closure))
{
unsigned int i = PyLong_AsUnsignedLong(value);
if(PyErr_Occurred())
return -1;
self->s->setTextureId(i);
return 0;
}
PyDoc_STRVAR(Stroke_tips_doc,
"True if this Stroke uses a texture with tips, and false otherwise.\n"
"\n"
":type: bool");
static PyObject *Stroke_tips_get(BPy_Stroke *self, void *UNUSED(closure))
{
return PyBool_from_bool(self->s->hasTips());
}
static int Stroke_tips_set(BPy_Stroke *self, PyObject *value, void *UNUSED(closure))
{
if (!PyBool_Check(value))
return -1;
self->s->setTips(bool_from_PyBool(value));
return 0;
}
PyDoc_STRVAR(Stroke_length_2d_doc,
"The 2D length of the Stroke.\n"
"\n"
":type: float");
static PyObject *Stroke_length_2d_get(BPy_Stroke *self, void *UNUSED(closure))
{
return PyFloat_FromDouble(self->s->getLength2D());
}
static int Stroke_length_2d_set(BPy_Stroke *self, PyObject *value, void *UNUSED(closure))
{
float scalar;
if ((scalar = PyFloat_AsDouble(value)) == -1.0f && PyErr_Occurred()) { /* parsed item not a number */
PyErr_SetString(PyExc_TypeError, "value must be a number");
return -1;
}
self->s->setLength(scalar);
return 0;
}
PyDoc_STRVAR(Stroke_id_doc,
"The Id of this Stroke.\n"
"\n"
":type: :class:`Id`");
static PyObject *Stroke_id_get(BPy_Stroke *self, void *UNUSED(closure))
{
Id id(self->s->getId());
return BPy_Id_from_Id(id); // return a copy
}
static int Stroke_id_set(BPy_Stroke *self, PyObject *value, void *UNUSED(closure))
{
if (!BPy_Id_Check(value)) {
PyErr_SetString(PyExc_TypeError, "value must be an Id");
return -1;
}
self->s->setId(*(((BPy_Id *)value)->id));
return 0;
}
static PyGetSetDef BPy_Stroke_getseters[] = {
{(char *)"medium_type", (getter)Stroke_medium_type_get, (setter)Stroke_medium_type_set, (char *)Stroke_medium_type_doc, NULL},
{(char *)"texture_id", (getter)Stroke_texture_id_get, (setter)Stroke_texture_id_set, (char *)Stroke_texture_id_doc, NULL},
{(char *)"tips", (getter)Stroke_tips_get, (setter)Stroke_tips_set, (char *)Stroke_tips_doc, NULL},
{(char *)"length_2d", (getter)Stroke_length_2d_get, (setter)Stroke_length_2d_set, (char *)Stroke_length_2d_doc, NULL},
{(char *)"id", (getter)Stroke_id_get, (setter)Stroke_id_set, (char *)Stroke_id_doc, NULL},
{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
};
/*-----------------------BPy_Stroke type definition ------------------------------*/
static PySequenceMethods BPy_Stroke_as_sequence = {
(lenfunc)Stroke_sq_length, /* sq_length */
NULL, /* sq_concat */
NULL, /* sq_repeat */
(ssizeargfunc)Stroke_sq_item, /* sq_item */
NULL, /* sq_slice */
NULL, /* sq_ass_item */
NULL, /* *was* sq_ass_slice */
NULL, /* sq_contains */
NULL, /* sq_inplace_concat */
NULL, /* sq_inplace_repeat */
};
PyTypeObject Stroke_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"Stroke", /* tp_name */
sizeof(BPy_Stroke), /* tp_basicsize */
0, /* tp_itemsize */
0, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
&BPy_Stroke_as_sequence, /* 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 | Py_TPFLAGS_BASETYPE, /* tp_flags */
Stroke_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)Stroke_iter, /* tp_iter */
0, /* tp_iternext */
BPy_Stroke_methods, /* tp_methods */
0, /* tp_members */
BPy_Stroke_getseters, /* tp_getset */
&Interface1D_Type, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)Stroke_init, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
};
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
|