VideoCamera* VideoCamera::create()
{
VideoCamera* pRet = new VideoCamera();
pRet->init();
pRet->autorelease();
return pRet;
}
/*! Close a video camera stream
@name M:close
*/
int lua_video_camera_close(lua_State *L) {
VideoCamera *s = Glue<VideoCamera>::checkto(L, 1);
if(s) {
s->close();
}
else {
luaL_error(L, "VideoCamera.close: invalid arguments");
}
return 1;
}
void bordaiApp::keyDown( KeyEvent event ) {
char c = event.getChar();
if(c == 'f') {
setFullScreen( !isFullScreen() );
}
if(c == 'p' || c == 'P') {
mCamera.togglePause();
}
if(c == ' ') {
mCamera.stopCapturing();
mCamera.startCapturing(mCameraLensSize.x, mCameraLensSize.y);
}
}
/*! Set the pixel format
Possible values are video.RGBA and video.RGB.
@name M.format
@LuaMethod GETSET
*/
int lua_video_camera_format(lua_State *L) {
VideoCamera *s = Glue<VideoCamera>::checkto(L, 1);
if(s) {
if(lua::is<int>(L, 2)) {
s->set_pixel_format((video::PixelFormat)lua::to<int>(L, 2));
}
else {
lua::push<int>(L, (int)s->get_pixel_format());
}
}
else {
luaL_error(L, "VideoCamera.format: invalid arguments");
}
return 0;
}
/*! Get the internal array data
@ret The array
@name M:array
*/
int lua_video_camera_array(lua_State *L) {
VideoCamera *s = Glue<VideoCamera>::checkto(L, 1);
if(s) {
s->next_frame();
lua_getfenv(L, 1);
lua_pushstring(L, LUA_VIDEO_ARRAY_FIELD);
lua_rawget(L, -2);
lua_insert(L, -2);
lua_pop(L, 1);
}
else {
luaL_error(L, "VideoCamera.array: invalid arguments");
}
return 1;
}
void bordaiApp::update() {
setFrameRate(mFrameRate);
mWindowSize = getWindowSize();
mCamera.bufferCaptured(mHaarDetector, mStoryCardDetector);
mScreenView.setAspectRatio(getWindowAspectRatio());
mScreenView.setOrtho(0., mCameraLensSize.x, mCameraLensSize.y, 0., 0., 1.);
}
/*! Open a video camera stream
@param [dim] The dimensions (defaults to 720x480)
@name M:open
*/
int lua_video_camera_open(lua_State *L) {
VideoCamera *s = Glue<VideoCamera>::checkto(L, 1);
if(s) {
if(lua_type(L, 2) == LUA_TSTRING) {
const char *uid = lua_tostring(L, 2);
int dim[] = {720, 480};
lua::to_vec(L, 3, 2, dim);
s->open(uid, dim[0], dim[1]);
}
else {
int dim[] = {720, 480};
lua::to_vec(L, 2, 2, dim);
s->open(dim[0], dim[1]);
}
}
else {
luaL_error(L, "VideoCamera.open: invalid arguments");
}
return 1;
}
void bordaiApp::setup() {
mParams = params::InterfaceGl("bordai", Vec2i(300, 175));
mParams.addParam("Screen width", &mWindowSize.x, "", true);
mParams.addParam("Screen height", &mWindowSize.y, "", true);
mParams.addParam("Camera width", &mCameraLensSize.x, "min=128 max=1024 step=64 keyIncr=W keyDecr=w");
mParams.addParam("Camera height", &mCameraLensSize.y, "min=128 max=1024 step=64 keyIncr=H keyDecr=h");
mParams.addSeparator();
mParams.addText("Press space to apply new camera resolution");
mParams.addText("Press 'p' to pause/play camera");
mParams.addSeparator();
mParams.addParam("Framerate", &mFrameRate, "min=5.0 max=70.0 step=5.0 keyIncr=+ keyDecr=-");
mHaarDetector = HaarDetector( getResourcePath( "haarcascade_frontalface_alt2.xml" ) );
mCamera.startCapturing(mCameraLensSize.x, mCameraLensSize.y);
}
VideoCamera *VideoCamera::parseLine(Ogre::SceneManager *mSceneMgr, Ogre::Camera *camera, SerializedRig *truck, parsecontext_t &c)
{
try
{
int nz=-1, ny=-1, nref=-1, ncam=-1, lookto=-1, texx=256, texy=256, crole=-1, cmode=-1;
float fov=-1.0f, minclip=-1.0f, maxclip=-1.0f, offx=0.0f, offy=0.0f, offz=0.0f, rotx=0.0f, roty=0.0f, rotz=0.0f;
char materialname[256] = "";
char vidCamName[256] = "";
Ogre::StringVector args;
int n = truck->parse_args(c, args, 19);
nref = truck->parse_node_number(c, args[0]);
nz = truck->parse_node_number(c, args[1]);
ny = truck->parse_node_number(c, args[2]);
ncam = PARSEINT(args[3]);
lookto = PARSEINT(args[4]);
offx = PARSEREAL(args[5]);
offy = PARSEREAL(args[6]);
offz = PARSEREAL(args[7]);
rotx = PARSEREAL(args[8]);
roty = PARSEREAL(args[9]);
rotz = PARSEREAL(args[10]);
fov = PARSEREAL(args[11]);
texx = PARSEINT (args[12]);
texy = PARSEINT (args[13]);
minclip = PARSEREAL(args[14]);
maxclip = PARSEREAL(args[15]);
crole = PARSEINT (args[16]);
cmode = PARSEINT (args[17]);
strncpy(materialname, args[18].c_str(), 255);
if(n > 19)
strncpy(vidCamName, args[19].c_str(), 255);
else
strncpy(vidCamName, materialname, 255); // fallback, use materialname
//if (texx <= 0 || !isPowerOfTwo(texx) || texy <= 0 || !isPowerOfTwo(texy))
// disabled isPowerOfTwo, as it can be a renderwindow now with custom resolution
if (texx <= 0 || texy <= 0)
{
truck->parser_warning(c, "Wrong texture size definition. trying to continue ...");
return 0;
}
if (minclip < 0 || minclip > maxclip || maxclip < 0)
{
truck->parser_warning(c, "Wrong clipping definition. trying to continue ...");
return 0;
}
if(cmode < -2 )
{
truck->parser_warning(c, "Camera Mode setting incorrect, trying to continue ...");
return 0;
}
if(crole < -1 || crole >1)
{
truck->parser_warning(c, "Camera Role (camera, trace, mirror) setting incorrect, trying to continue ...");
return 0;
}
MaterialPtr mat = MaterialManager::getSingleton().getByName(materialname);
if(mat.isNull())
{
truck->parser_warning(c, "unknown material: '"+String(materialname)+"', trying to continue ...");
return 0;
}
// clone the material to stay unique
String newMaterialName = String(truck->truckname) + materialname + "_" + TOSTRING(counter++);
MaterialPtr matNew = mat->clone(newMaterialName);
// we need to find and replace any materials that could come afterwards
if(truck && truck->materialReplacer)
truck->materialReplacer->addMaterialReplace(mat->getName(), newMaterialName);
VideoCamera *v = new VideoCamera(mSceneMgr, camera, truck);
v->fov = fov;
v->minclip = minclip;
v->maxclip = maxclip;
v->nz = nz;
v->ny = ny;
v->nref = nref;
v->offset = Vector3(offx, offy, offz);
v->switchoff = cmode; // add performance switch off ->meeds fix, only "always on" supported yet
v->materialName = newMaterialName;
v->vidCamName = vidCamName;
v->mirrorSize = Vector2(texx, texy);
if(crole != 1) //rotate camera picture 180°, skip for mirrors
rotz += 180;
v->rotation = Quaternion(Degree(rotz), Vector3::UNIT_Z) * Quaternion(Degree(roty), Vector3::UNIT_Y) * Quaternion(Degree(rotx), Vector3::UNIT_X);
if (ncam >= 0) // set alternative camposition (optional)
v->camNode = ncam;
else
v->camNode = nref;
if (lookto >= 0) // set alternative lookat position (optional)
{
v->lookat = lookto;
crole = 0; // this is a tracecam, overwrite mode setting
}
else
v->lookat = -1;
v->camRole = crole; // -1= camera, 0 = trackcam, 1 = mirror
v->init();
return v;
} catch(ParseException &)
{
return 0;
}
return 0;
}
void bordaiApp::draw() {
gl::enable( GL_TEXTURE_2D );
gl::enableAlphaBlending();
gl::clear( Color::black() );
if( mCamera.hasSomething() ) {
gl::color( Color::white() );
gl::setMatricesWindow( getWindowWidth(), getWindowHeight() );
gl::pushMatrices();
gl::setMatrices( mScreenView );
gl::scale(Vec3f(1, 2./3., 1));
mCamera.draw();
// mHaarDetector.drawTrackings();
mStoryCardDetector.drawTrackings();
gl::popMatrices();
vector<gl::Texture> storyTextures = mStoryCardDetector.mHistogramTextures;
vector<gl::Texture> haarTextures = mHaarDetector.mHistogramTextures;
const float amountOfHistogramTextures = storyTextures.size() + haarTextures.size();
Vec3f viewTranslation(0, (float)mCameraLensSize.y * 2./3., 0);
Vec3f storyHistogramTextureScale(1./amountOfHistogramTextures, 1./3., 1);
for (vector<gl::Texture>::const_iterator aTexture = storyTextures.begin(); aTexture != storyTextures.end(); ++aTexture) {
glPushMatrix();
gl::setMatrices( mScreenView );
gl::translate( viewTranslation );
gl::scale( storyHistogramTextureScale );
gl::color( Color::white() );
gl::draw( *aTexture );
aTexture -> disable();
mStoryCardDetector.drawTrackings();
glPopMatrix();
viewTranslation.x += mCameraLensSize.x / amountOfHistogramTextures;
}
Vec3f haarHistogramTextureScale(2./amountOfHistogramTextures, 2./3., 1);
for (vector<gl::Texture>::const_iterator aTexture = haarTextures.begin(); aTexture != haarTextures.end(); ++aTexture) {
glPushMatrix();
gl::setMatrices( mScreenView );
gl::translate( viewTranslation );
gl::scale( haarHistogramTextureScale );
gl::color( Color::white() );
gl::draw( *aTexture );
aTexture -> disable();
mHaarDetector.drawTrackings();
glPopMatrix();
viewTranslation += mCameraLensSize.x / amountOfHistogramTextures;
}
}
params::InterfaceGl::draw();
}
