void camera_straighten_display(int num, char* window_name) {
int c;
IplImage* color_img;
CvCapture* cv_cap = cvCaptureFromCAM(num);
cvNamedWindow("Video", 0); // create window
for(;;) {
color_img = cvQueryFrame(cv_cap); // get frame
if(color_img != 0) {
Mat cam_mat(color_img);
Mat result;
cam_mat.copyTo(result);
Straightener straight(640, 480);
if(straight.doAll(cam_mat, result)) {
imshow("Video", result); // show frame
}
}
c = cvWaitKey(10); // wait 10 ms or for key stroke
if(c == 27)
break; // if ESC, break and quit
}
/* clean up */
cvReleaseCapture( &cv_cap );
cvDestroyWindow("Video");
}
void camera_HUE_display(int num) {
int c;
IplImage* color_img;
CvCapture* cv_cap = cvCaptureFromCAM(num);
cvNamedWindow("Video", 0); // create window
for(;;) {
color_img = cvQueryFrame(cv_cap); // get frame
if(color_img != 0) {
Mat cam_mat(color_img);
Mat frameBGR;
cam_mat.copyTo(frameBGR);
Mat frameHSV;
cvtColor(frameBGR, frameHSV, CV_BGR2HSV);
Mat Hue = Mat(frameHSV.rows, frameHSV.cols, CV_8UC1);
//Hue.create(frameHSV.size(), frameHSV.depth());
int ch[] = { 1, 0 };
mixChannels( &frameHSV, 1, &Hue, 1, ch, 1 );
imshow("Video", Hue);
c = cvWaitKey(10); // wait 10 ms or for key stroke
if(c == 27) {
break; // if ESC, break and quit
}
}
c = cvWaitKey(10); // wait 10 ms or for key stroke
if(c == 27)
break; // if ESC, break and quit
}
/* clean up */
cvReleaseCapture( &cv_cap );
cvDestroyWindow("Video");
}
t_vec4 do_cam(t_app *app, t_vec4 v)
{
t_vec4 rt;
t_matrix4x4 mat;
mat = cam_mat(app);
rt = muli_mat4x4_vec4(mat, v);
return (rt);
}
void do_transform(t_app *app, t_obj *obj, t_matrix4x4 mat)
{
unsigned int i;
float proj;
i = 0;
proj = app->scene.cam.proj;
obj->mat = scale_mat(obj->scale);
obj->mat = muli_mat4x4(rot_y_mat(obj->rot.y), obj->mat);
obj->mat = muli_mat4x4(rot_x_mat(obj->rot.x), obj->mat);
obj->mat = muli_mat4x4(rot_z_mat(obj->rot.z), obj->mat);
obj->mat = muli_mat4x4(translate_mat(obj->pos), obj->mat);
obj->mat = muli_mat4x4(mat, obj->mat);
obj->mat = muli_mat4x4(cam_mat(app), obj->mat);
while (i < obj->nbr_vecs)
{
obj->vecs[i] = muli_mat4x4_vec4(obj->mat, obj->vecs_orig[i]);
i++;
}
}
/** Create a RIB compatible representation of a Maya pfxToon node as RiCurves.
*/
liqRibPfxToonData::liqRibPfxToonData( MObject pfxToon )
: nverts(),
CVs(),
curveWidth(),
cvColor(),
cvOpacity()
{
LIQDEBUGPRINTF( "-> creating pfxToon curves\n" );
MStatus status( MS::kSuccess );
// Update the pfxToon node with the renderCamera's position
// otherwise the resulting outline might be incorrect
MDagPath cameraPath;
MSelectionList camList;
camList.add( liqglo_renderCamera );
camList.getDagPath( 0, cameraPath );
MMatrix cam_mat( cameraPath.inclusiveMatrix() );
MFnDependencyNode pfxToonNode( pfxToon );
pfxToonNode.findPlug( "cameraPointX" ).setValue( cam_mat( 3, 0 ) );
pfxToonNode.findPlug( "cameraPointY" ).setValue( cam_mat( 3, 1 ) );
pfxToonNode.findPlug( "cameraPointZ" ).setValue( cam_mat( 3, 2 ) );
MFnPfxGeometry pfxtoon( pfxToon, &status );
if ( status == MS::kSuccess )
{
MRenderLineArray profileArray;
MRenderLineArray creaseArray;
MRenderLineArray intersectionArray;
bool doLines = true;
bool doTwist = false;
bool doWidth = true;
bool doFlatness = false;
bool doParameter = false;
bool doColor = true;
bool doIncandescence = false;
bool doTransparency = true;
bool doWorldSpace = false;
status = pfxtoon.getLineData( profileArray, creaseArray, intersectionArray, doLines, doTwist, doWidth, doFlatness, doParameter, doColor, doIncandescence, doTransparency, doWorldSpace );
if ( status == MS::kSuccess )
{
// Het the lines and fill the arrays.
ncurves = profileArray.length();
{
MFnDependencyNode pfxNode( pfxToon );
MString info( "[liquid] pfxToon node " );
info += pfxNode.name() + " : " + ncurves + " curves.";
cout << info << endl << flush;
}
unsigned totalNumberOfVertices( 0 );
if ( ncurves > 0 )
{
nverts = shared_array< RtInt >( new RtInt[ ncurves ] );
// Calculate storage requirments.
// This is a lot more efficient than all those reallocs()
// (or resize()s if we used a vector) that were done before
// in the main loop below.
for ( unsigned i( 0 ); i < ncurves; i++ )
{
MRenderLine theLine( profileArray.renderLine( i, &status ) );
if ( MS::kSuccess == status )
{
MVectorArray vertices( theLine.getLine() );
totalNumberOfVertices += vertices.length();
}
}
// Allocate memory
CVs = shared_array< RtFloat >( new RtFloat[ totalNumberOfVertices * 3 ] );
if ( !CVs )
{
MString err( "liqRibPfxToonData failed to allocate CV memory!" );
cout << err << endl << flush;
throw( err );
return;
}
curveWidth = shared_array< RtFloat >( new RtFloat[ totalNumberOfVertices ] );
if ( !curveWidth )
{
MString err( "liqRibPfxToonData failed to allocate per vertex width memory!" );
cout << err << endl << flush;
throw( err );
return;
}
cvColor = shared_array< RtFloat >( new RtFloat[ totalNumberOfVertices * 3 ] );
if ( !cvColor )
{
MString err( "liqRibPfxToonData failed to allocate CV color memory!" );
cout << err << endl << flush;
throw(err);
return;
}
cvOpacity = shared_array< RtFloat >( new RtFloat[ totalNumberOfVertices * 3 ] );
if ( !cvOpacity )
{
MString err("liqRibPfxToonData failed to allocate CV opacity memory !");
cout << err << endl << flush;
throw( err );
return;
}
RtFloat* cvPtr;
RtFloat* widthPtr;
RtFloat* colorPtr;
RtFloat* opacityPtr;
totalNumberOfVertices = 0;
for ( unsigned i( 0 ); i < ncurves; i++ )
{
MRenderLine theLine( profileArray.renderLine( i, &status ) );
if ( MS::kSuccess == status ) {
const MVectorArray& vertices( theLine.getLine() );
const MDoubleArray& width( theLine.getWidth() );
const MVectorArray& vertexColor( theLine.getColor() );
const MVectorArray& vertexTransparency( theLine.getTransparency() );
//cout <<"line "<<i<<" contains "<<vertices.length()<<" vertices."<<endl;
//cout <<vertexColor<<endl;
nverts[i] = vertices.length();
totalNumberOfVertices += vertices.length();
cvPtr = CVs.get() + ( totalNumberOfVertices * 3 - nverts[ i ] * 3 ) ;
widthPtr = curveWidth.get() + ( totalNumberOfVertices - nverts[ i ] ) ;
colorPtr = cvColor.get() + ( totalNumberOfVertices * 3 - nverts[ i ] * 3 ) ;
opacityPtr = cvOpacity.get() + ( totalNumberOfVertices * 3 - nverts[ i ] * 3 ) ;
for ( unsigned vertIndex( 0 ); vertIndex < vertices.length(); vertIndex++ )
{
*cvPtr++ = ( RtFloat ) vertices[ vertIndex ].x;
*cvPtr++ = ( RtFloat ) vertices[ vertIndex ].y;
*cvPtr++ = ( RtFloat ) vertices[ vertIndex ].z;
*widthPtr++ = ( RtFloat )width[ vertIndex ];
*colorPtr++ = ( RtFloat )vertexColor[ vertIndex ].x ;
*colorPtr++ = ( RtFloat )vertexColor[ vertIndex ].y ;
*colorPtr++ = ( RtFloat )vertexColor[ vertIndex ].z ;
*opacityPtr++ = ( RtFloat )( 1.0f - vertexTransparency[ vertIndex ].x ) ;
*opacityPtr++ = ( RtFloat )( 1.0f - vertexTransparency[ vertIndex ].y ) ;
*opacityPtr++ = ( RtFloat )( 1.0f - vertexTransparency[ vertIndex ].z ) ;
}
}
}
// Store for output
liqTokenPointer points_pointerPair;
if ( !points_pointerPair.set( "P", rPoint, true, false, totalNumberOfVertices ) )
{
MString err( "liqRibPfxToonData: liqTokenPointer failed to allocate CV memory !" );
cout << err << endl;
throw(err);
return;
}
points_pointerPair.setDetailType( rVertex );
points_pointerPair.setTokenFloats( CVs );
tokenPointerArray.push_back( points_pointerPair );
// Store width params
liqTokenPointer width_pointerPair;
if ( !width_pointerPair.set( "width", rFloat, true, false, totalNumberOfVertices ) )
{
MString err("liqRibPfxToonData: liqTokenPointer failed to allocate width memory !");
cout <<err<<endl;
throw(err);
return;
}
width_pointerPair.setDetailType( rVarying );
width_pointerPair.setTokenFloats( curveWidth );
tokenPointerArray.push_back( width_pointerPair );
// Store color params
liqTokenPointer color_pointerPair;
if ( !color_pointerPair.set( "pfxToon_vtxColor", rColor, true, false, totalNumberOfVertices ) )
{
MString err("liqRibPfxToonData: liqTokenPointer failed to allocate color memory !");
cout <<err<<endl;
throw(err);
return;
}
color_pointerPair.setDetailType( rVertex );
color_pointerPair.setTokenFloats( cvColor );
tokenPointerArray.push_back( color_pointerPair );
// Store opacity params
liqTokenPointer opacity_pointerPair;
if ( !opacity_pointerPair.set( "pfxToon_vtxOpacity", rColor, true, false, totalNumberOfVertices ) )
{
MString err("liqRibPfxToonData: liqTokenPointer failed to allocate opacity memory !");
cout <<err<<endl<<flush;
throw(err);
return;
}
opacity_pointerPair.setDetailType( rVertex );
opacity_pointerPair.setTokenFloats( cvOpacity );
tokenPointerArray.push_back( opacity_pointerPair );
addAdditionalSurfaceParameters( pfxToon );
}
}
}
}
void camera_contours_display(int num, Straightener & straight) {
int c;
IplImage* color_img;
CvCapture* cv_cap = cvCaptureFromCAM(num);
cvNamedWindow("Video", 0); // create window
resizeWindow("Video", 700,700);
for(;;) {
color_img = cvQueryFrame(cv_cap); // get frame
if(color_img != 0) {
Mat cam_mat(color_img);
Mat result;
cam_mat.copyTo(result);
if(straight.doAll(cam_mat, result)) {
///Apply blur
blur(result, result, Size(3,3));
///Apply Canny to destination Matrix
Canny(result, result, 50, 50, 3);
/// Vectors for storing contours
vector<vector<Point> > contours; //contours of the paper sheet
vector<vector<Point> > approx_contours; //approx contours of the paper sheet
vector<Vec4i> hierarchy;
int erosion_type = 2;
int erosion_size = 3;
Mat element = getStructuringElement(erosion_type,
Size( 2*erosion_size + 1, 2*erosion_size+1),
Point( erosion_size, erosion_size));
dilate(result, result, element);
/// Cut 20 px from each side to avoid paper borders detection
result = result(Rect(10, 10, result.cols-20, result.rows-20));
findContours(result, contours, hierarchy, CV_RETR_CCOMP, CV_CHAIN_APPROX_NONE, Point(0, 0));
/// Draw contours
Mat drawing = Mat::zeros( result.size(), CV_8UC3 );
/// https://github.com/Itseez/opencv/blob/master/samples/cpp/contours2.cpp
// approx_contours.resize(contours.size());
for(unsigned int i = 0; i < contours.size(); i++) {
/// Area of more than 20 and no parent
if(contourArea(contours[i]) > 20 && hierarchy[i][3] == -1) {
vector<Point> tmp_contour;
approxPolyDP(Mat(contours[i]), tmp_contour, 3, true);
approx_contours.push_back(tmp_contour);
}
}
for(unsigned int i=0; i < approx_contours.size(); i++) {
Scalar color;
if(approx_contours[i].size() == 4) {
color = Scalar( 255, 255, 255);
drawContours( drawing, approx_contours, i, color, 1, 8, NULL, 0, Point() );
}
else {
color = Scalar( 0, 255, 0);
drawContours( drawing, approx_contours, i, color, 1, 8, NULL, 0, Point() );
}
}
imshow("Video", drawing);
}
}
c = cvWaitKey(10); // wait 10 ms or for key stroke
if(c == 27)
break; // if ESC, break and quit
}
/* clean up */
cvReleaseCapture( &cv_cap );
cvDestroyWindow("Video");
}
