diff options
Diffstat (limited to 'source/gameengine/VideoTexture/ImageBuff.cpp')
| -rw-r--r-- | source/gameengine/VideoTexture/ImageBuff.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/source/gameengine/VideoTexture/ImageBuff.cpp b/source/gameengine/VideoTexture/ImageBuff.cpp new file mode 100644 index 00000000000..19ad17ac643 --- /dev/null +++ b/source/gameengine/VideoTexture/ImageBuff.cpp @@ -0,0 +1,166 @@ +/* $Id$ +----------------------------------------------------------------------------- +This source file is part of VideoTexture library + +Copyright (c) 2007 The Zdeno Ash Miklas + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU Lesser 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 Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along with +this program; if not, write to the Free Software Foundation, Inc., 59 Temple +Place - Suite 330, Boston, MA 02111-1307, USA, or go to +http://www.gnu.org/copyleft/lesser.txt. +----------------------------------------------------------------------------- +*/ + +// implementation + +#include <PyObjectPlus.h> +#include <structmember.h> + +#include "ImageBuff.h" + +#include "ImageBase.h" +#include "FilterSource.h" + + +// default filter +FilterRGB24 defFilter; + + +// load image from buffer +void ImageBuff::load (unsigned char * img, short width, short height) +{ + // initialize image buffer + init(width, height); + // original size + short orgSize[2] = {width, height}; + // is filter available + if (m_pyfilter != NULL) + // use it to process image + convImage(*(m_pyfilter->m_filter), img, orgSize); + else + // otherwise use default filter + convImage(defFilter, img, orgSize); + // image is available + m_avail = true; +} + + + +// cast Image pointer to ImageBuff +inline ImageBuff * getImageBuff (PyImage * self) +{ return static_cast<ImageBuff*>(self->m_image); } + + +// python methods + +// load image +static PyObject * load (PyImage * self, PyObject * args) +{ + // parameters: string image buffer, its size, width, height + unsigned char * buff; + unsigned int buffSize; + short width; + short height; + // parse parameters + if (!PyArg_ParseTuple(args, "s#hh", &buff, &buffSize, &width, &height)) + { + // report error + PyErr_SetString(PyExc_TypeError, "Parameters are not correct"); + return NULL; + } + // else check buffer size + else + { + // calc proper buffer size + unsigned int propSize = width * height; + // use pixel size from filter + if (self->m_image->getFilter() != NULL) + propSize *= self->m_image->getFilter()->m_filter->firstPixelSize(); + else + propSize *= defFilter.firstPixelSize(); + // check if buffer size is correct + if (propSize != buffSize) + { + // if not, report error + PyErr_SetString(PyExc_TypeError, "Buffer hasn't correct size"); + return NULL; + } + else + // if correct, load image + getImageBuff(self)->load(buff, width, height); + } + Py_RETURN_NONE; +} + + +// methods structure +static PyMethodDef imageBuffMethods[] = +{ + {"load", (PyCFunction)load, METH_VARARGS, "Load image from buffer"}, + {NULL} +}; +// attributes structure +static PyGetSetDef imageBuffGetSets[] = +{ // attributes from ImageBase class + {(char*)"image", (getter)Image_getImage, NULL, (char*)"image data", NULL}, + {(char*)"size", (getter)Image_getSize, NULL, (char*)"image size", NULL}, + {(char*)"scale", (getter)Image_getScale, (setter)Image_setScale, (char*)"fast scale of image (near neighbour)", NULL}, + {(char*)"flip", (getter)Image_getFlip, (setter)Image_setFlip, (char*)"flip image vertically", NULL}, + {(char*)"filter", (getter)Image_getFilter, (setter)Image_setFilter, (char*)"pixel filter", NULL}, + {NULL} +}; + + +// define python type +PyTypeObject ImageBuffType = +{ + PyObject_HEAD_INIT(NULL) + 0, /*ob_size*/ + "VideoTexture.ImageBuff", /*tp_name*/ + sizeof(PyImage), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + (destructor)Image_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*/ + "Image source from image buffer", /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + imageBuffMethods, /* tp_methods */ + 0, /* tp_members */ + imageBuffGetSets, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + (initproc)Image_init<ImageBuff>, /* tp_init */ + 0, /* tp_alloc */ + Image_allocNew, /* tp_new */ +}; + |