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Diffstat (limited to 'source/gameengine/VideoTexture/ImageRender.cpp')
| -rw-r--r-- | source/gameengine/VideoTexture/ImageRender.cpp | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/source/gameengine/VideoTexture/ImageRender.cpp b/source/gameengine/VideoTexture/ImageRender.cpp new file mode 100644 index 00000000000..a8f7871fa21 --- /dev/null +++ b/source/gameengine/VideoTexture/ImageRender.cpp @@ -0,0 +1,267 @@ +/* $Id$ +----------------------------------------------------------------------------- +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 <KX_BlenderCanvas.h> +#include <KX_BlenderRenderTools.h> +#include <RAS_IRasterizer.h> +#include <RAS_OpenGLRasterizer.h> +#include <KX_WorldInfo.h> +#include <KX_Light.h> + +#include "ImageRender.h" + +#include "ImageBase.h" +#include "BlendType.h" +#include "Exception.h" + +ExceptionID SceneInvalid, CameraInvalid; +ExpDesc SceneInvalidDesc (SceneInvalid, "Scene object is invalid"); +ExpDesc CameraInvalidDesc (CameraInvalid, "Camera object is invalid"); + +#if 0 // not yet supported + +// constructor +ImageRender::ImageRender (KX_Scene * scene, KX_Camera * camera) : m_scene(scene), +m_camera(camera) +{ + // create screen area + m_area.winrct.xmin = m_upLeft[0]; + m_area.winrct.ymin = m_upLeft[1]; + m_area.winx = m_size[0]; + m_area.winy = m_size[1]; + // create canvas + m_canvas = new KX_BlenderCanvas(&m_area); + // create render tools + m_rendertools = new KX_BlenderRenderTools(); + // create rasterizer + m_rasterizer = new RAS_OpenGLRasterizer(m_canvas); + m_rasterizer->Init(); + // initialize background colour + setBackground(0, 0, 255); + // refresh lights + refreshLights(); +} + +// destructor +ImageRender::~ImageRender (void) +{ + // release allocated objects + delete m_rasterizer; + delete m_rendertools; + delete m_canvas; +} + + +// set background color +void ImageRender::setBackground (unsigned char red, unsigned char green, unsigned char blue) +{ + m_background[0] = red; + m_background[1] = green; + m_background[2] = blue; + m_rasterizer->SetBackColor(m_background[0], m_background[1], m_background[2], 1.0); +} + + +// capture image from viewport +void ImageRender::calcImage (unsigned int texId) +{ + // setup camera + bool cameraPasive = !m_camera->GetViewport(); + // render scene + Render(); + // reset camera + if (cameraPasive) m_camera->EnableViewport(false); + // get image from viewport + ImageViewport::calcImage(texId); +} + +void ImageRender::Render() +{ + // +} + +// refresh lights +void ImageRender::refreshLights (void) +{ + // clear lights list + //m_rendertools->RemoveAllLights(); + // set lights + //for (int idx = 0; idx < scene->GetLightList()->GetCount(); ++idx) + // m_rendertools->AddLight(((KX_LightObject*)(scene->GetLightList()->GetValue(idx)))->GetLightData()); +} + + + +// cast Image pointer to ImageRender +inline ImageRender * getImageRender (PyImage * self) +{ return static_cast<ImageRender*>(self->m_image); } + + +// python methods + +// Blender Scene type +BlendType<KX_Scene> sceneType ("KX_Scene"); +// Blender Camera type +BlendType<KX_Camera> cameraType ("KX_Camera"); + + +// object initialization +static int ImageRender_init (PyObject * pySelf, PyObject * args, PyObject * kwds) +{ + // parameters - scene object + PyObject * scene; + // camera object + PyObject * camera; + // parameter keywords + static char *kwlist[] = {"sceneObj", "cameraObj", NULL}; + // get parameters + if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO", kwlist, &scene, &camera)) + return -1; + try + { + // get scene pointer + KX_Scene * scenePtr (NULL); + if (scene != NULL) scenePtr = sceneType.checkType(scene); + // throw exception if scene is not available + if (scenePtr == NULL) THRWEXCP(SceneInvalid, S_OK); + + // get camera pointer + KX_Camera * cameraPtr (NULL); + if (camera != NULL) cameraPtr = cameraType.checkType(camera); + // throw exception if camera is not available + if (cameraPtr == NULL) THRWEXCP(CameraInvalid, S_OK); + + // get pointer to image structure + PyImage * self = reinterpret_cast<PyImage*>(pySelf); + // create source object + if (self->m_image != NULL) delete self->m_image; + self->m_image = new ImageRender(scenePtr, cameraPtr); + } + catch (Exception & exp) + { + exp.report(); + return -1; + } + // initialization succeded + return 0; +} + + +// get background color +PyObject * getBackground (PyImage * self, void * closure) +{ + return Py_BuildValue("[BBB]", getImageRender(self)->getBackground()[0], + getImageRender(self)->getBackground()[1], getImageRender(self)->getBackground()[2]); +} + +// set color +static int setBackground (PyImage * self, PyObject * value, void * closure) +{ + // check validity of parameter + if (value == NULL || !PySequence_Check(value) || PySequence_Length(value) != 3 + || !PyInt_Check(PySequence_Fast_GET_ITEM(value, 0)) + || !PyInt_Check(PySequence_Fast_GET_ITEM(value, 1)) + || !PyInt_Check(PySequence_Fast_GET_ITEM(value, 2))) + { + PyErr_SetString(PyExc_TypeError, "The value must be a sequence of 3 ints"); + return -1; + } + // set background color + getImageRender(self)->setBackground((unsigned char)(PyInt_AsLong(PySequence_Fast_GET_ITEM(value, 0))), + (unsigned char)(PyInt_AsLong(PySequence_Fast_GET_ITEM(value, 1))), + (unsigned char)(PyInt_AsLong(PySequence_Fast_GET_ITEM(value, 2)))); + // success + return 0; +} + + +// methods structure +static PyMethodDef imageRenderMethods[] = +{ // methods from ImageBase class + {"refresh", (PyCFunction)Image_refresh, METH_NOARGS, "Refresh image - invalidate its current content"}, + {NULL} +}; +// attributes structure +static PyGetSetDef imageRenderGetSets[] = +{ + {(char*)"background", (getter)getBackground, (setter)setBackground, (char*)"background color", NULL}, + // 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 ImageRenderType = +{ + PyObject_HEAD_INIT(NULL) + 0, /*ob_size*/ + "VideoTexture.ImageRender", /*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 render", /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + imageRenderMethods, /* tp_methods */ + 0, /* tp_members */ + imageRenderGetSets, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + (initproc)ImageRender_init, /* tp_init */ + 0, /* tp_alloc */ + Image_allocNew, /* tp_new */ +}; + + +#endif // #if 0 |