/* $Id$ ----------------------------------------------------------------------------- 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 #include #include #include #include #include #include #include #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(self->m_image); } // python methods // Blender Scene type BlendType sceneType ("KX_Scene"); // Blender Camera type BlendType 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(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