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/*
* 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.
*/
/** \file
* \ingroup collada
*/
#include <string>
#include "COLLADASWCamera.h"
extern "C" {
#include "DNA_camera_types.h"
}
#include "CameraExporter.h"
#include "collada_internal.h"
CamerasExporter::CamerasExporter(COLLADASW::StreamWriter *sw, BCExportSettings &export_settings)
: COLLADASW::LibraryCameras(sw), export_settings(export_settings)
{
}
template<class Functor>
void forEachCameraObjectInExportSet(Scene *sce, Functor &f, LinkNode *export_set)
{
LinkNode *node;
for (node = export_set; node; node = node->next) {
Object *ob = (Object *)node->link;
if (ob->type == OB_CAMERA && ob->data) {
f(ob, sce);
}
}
}
void CamerasExporter::exportCameras(Scene *sce)
{
openLibrary();
forEachCameraObjectInExportSet(sce, *this, this->export_settings.get_export_set());
closeLibrary();
}
void CamerasExporter::operator()(Object *ob, Scene *sce)
{
Camera *cam = (Camera *)ob->data;
std::string cam_id(get_camera_id(ob));
std::string cam_name(id_name(cam));
switch (cam->type) {
case CAM_PANO:
case CAM_PERSP: {
COLLADASW::PerspectiveOptic persp(mSW);
persp.setXFov(RAD2DEGF(focallength_to_fov(cam->lens, cam->sensor_x)), "xfov");
persp.setAspectRatio((float)(sce->r.xsch) / (float)(sce->r.ysch), false, "aspect_ratio");
persp.setZFar(cam->clip_end, false, "zfar");
persp.setZNear(cam->clip_start, false, "znear");
COLLADASW::Camera ccam(mSW, &persp, cam_id, cam_name);
exportBlenderProfile(ccam, cam);
addCamera(ccam);
break;
}
case CAM_ORTHO:
default: {
COLLADASW::OrthographicOptic ortho(mSW);
ortho.setXMag(cam->ortho_scale / 2, "xmag");
ortho.setAspectRatio((float)(sce->r.xsch) / (float)(sce->r.ysch), false, "aspect_ratio");
ortho.setZFar(cam->clip_end, false, "zfar");
ortho.setZNear(cam->clip_start, false, "znear");
COLLADASW::Camera ccam(mSW, &ortho, cam_id, cam_name);
exportBlenderProfile(ccam, cam);
addCamera(ccam);
break;
}
}
}
bool CamerasExporter::exportBlenderProfile(COLLADASW::Camera &cm, Camera *cam)
{
cm.addExtraTechniqueParameter("blender", "shiftx", cam->shiftx);
cm.addExtraTechniqueParameter("blender", "shifty", cam->shifty);
cm.addExtraTechniqueParameter("blender", "dof_distance", cam->dof.focus_distance);
return true;
}
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