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-rw-r--r--pix_opencv_morphology.cpp297
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+////////////////////////////////////////////////////////
+//
+// GEM - Graphics Environment for Multimedia
+//
+// zmoelnig@iem.kug.ac.at
+//
+// Implementation file
+//
+// Copyright (c) 1997-2000 Mark Danks.
+// Copyright (c) Günther Geiger.
+// Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM
+// Copyright (c) 2002 James Tittle & Chris Clepper
+// For information on usage and redistribution, and for a DISCLAIMER OF ALL
+// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+//
+/////////////////////////////////////////////////////////
+
+#include "pix_opencv_morphology.h"
+
+CPPEXTERN_NEW(pix_opencv_morphology)
+
+/////////////////////////////////////////////////////////
+//
+// pix_opencv_morphology
+//
+/////////////////////////////////////////////////////////
+// Constructor
+//
+/////////////////////////////////////////////////////////
+pix_opencv_morphology :: pix_opencv_morphology()
+{
+ int i;
+
+ inlet_new(this->x_obj, &this->x_obj->ob_pd, gensym("float"), gensym("ft1"));
+
+ pos = 0;
+ comp_xsize = 0;
+ comp_ysize = 0;
+
+ rgba = NULL;
+ alpha = NULL;
+ src = NULL;
+ dst = NULL;
+
+ element_shape = CV_SHAPE_RECT;
+
+}
+
+/////////////////////////////////////////////////////////
+// Destructor
+//
+/////////////////////////////////////////////////////////
+pix_opencv_morphology :: ~pix_opencv_morphology()
+{
+ //Destroy cv_images to clean memory
+ cvReleaseImage( &src );
+ cvReleaseImage( &dst );
+ cvReleaseImage( &rgba );
+ cvReleaseImage( &alpha );
+}
+
+/////////////////////////////////////////////////////////
+// processImage
+//
+/////////////////////////////////////////////////////////
+void pix_opencv_morphology :: processRGBAImage(imageStruct &image)
+{
+ unsigned char *pixels = image.data;
+ int i;
+
+ if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!rgba)) {
+
+ this->comp_xsize = image.xsize;
+ this->comp_ysize = image.ysize;
+
+ //Destroy cv_images to clean memory
+ cvReleaseImage( &src );
+ cvReleaseImage( &dst );
+ cvReleaseImage( &rgba );
+ cvReleaseImage( &alpha );
+
+ //Create cv_images
+ src = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 3 );
+ dst = cvCloneImage(src);
+ rgba = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 4 );
+ alpha = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 1 );
+ }
+ // FEM UNA COPIA DEL PACKET A image->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage
+ memcpy( rgba->imageData, image.data, image.xsize*image.ysize*4 );
+
+ CvArr* in[] = { rgba };
+ CvArr* out[] = { src, alpha };
+ int from_to[] = { 0, 0, 1, 1, 2, 2, 3, 3 };
+ //cvSet( rgba, cvScalar(1,2,3,4) );
+ cvMixChannels( (const CvArr**)in, 1, out, 2, from_to, 4 );
+
+ if (this->mode == 1) { //open/close
+ int n = pos;
+ int an = n > 0 ? n : -n;
+ element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+ if( n < 0 )
+ {
+ cvErode(src,dst,element,1);
+ cvDilate(dst,dst,element,1);
+ }
+ else
+ {
+ cvDilate(src,dst,element,1);
+ cvErode(dst,dst,element,1);
+ }
+ cvReleaseStructuringElement(&element);
+
+ } else {
+ int n = pos;
+ int an = n > 0 ? n : -n;
+ element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+ if( n < 0 )
+ {
+ cvErode(src,dst,element,1);
+ }
+ else
+ {
+ cvDilate(src,dst,element,1);
+ }
+ cvReleaseStructuringElement(&element);
+
+ }
+
+ CvArr* src[] = { dst, alpha };
+ CvArr* dst[] = { rgba };
+ cvMixChannels( (const CvArr**)src, 2, (CvArr**)dst, 1, from_to, 4 );
+ //cvShowImage(wndname, cedge);
+ memcpy( image.data, rgba->imageData, image.xsize*image.ysize*4 );
+}
+
+void pix_opencv_morphology :: processRGBImage(imageStruct &image)
+{
+ unsigned char *pixels = image.data;
+ int i;
+
+ if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!src)) {
+
+ this->comp_xsize = image.xsize;
+ this->comp_ysize = image.ysize;
+
+ //Destroy cv_images to clean memory
+ cvReleaseImage( &src );
+ cvReleaseImage( &dst );
+
+ //Create cv_images
+ src = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 4 );
+ dst = cvCloneImage(src);
+ }
+ // FEM UNA COPIA DEL PACKET A image->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage
+ memcpy( src->imageData, image.data, image.xsize*image.ysize*3 );
+
+ if (this->mode == 1) { //open/close
+ int n = pos;
+ int an = n > 0 ? n : -n;
+ element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+ if( n < 0 )
+ {
+ cvErode(src,dst,element,1);
+ cvDilate(dst,dst,element,1);
+ }
+ else
+ {
+ cvDilate(src,dst,element,1);
+ cvErode(dst,dst,element,1);
+ }
+ cvReleaseStructuringElement(&element);
+
+ } else {
+ int n = pos;
+ int an = n > 0 ? n : -n;
+ element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+ if( n < 0 )
+ {
+ cvErode(src,dst,element,1);
+ }
+ else
+ {
+ cvDilate(src,dst,element,1);
+ }
+ cvReleaseStructuringElement(&element);
+
+ }
+
+ //cvShowImage(wndname, cedge);
+ memcpy( image.data, dst->imageData, image.xsize*image.ysize*3 );
+}
+
+void pix_opencv_morphology :: processYUVImage(imageStruct &image)
+{
+}
+
+void pix_opencv_morphology :: processGrayImage(imageStruct &image)
+{
+ unsigned char *pixels = image.data;
+ int i;
+
+ if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!alpha)) {
+
+ this->comp_xsize = image.xsize;
+ this->comp_ysize = image.ysize;
+
+ //Destroy cv_images to clean memory
+ cvReleaseImage( &src );
+ cvReleaseImage( &dst );
+ cvReleaseImage( &alpha );
+
+ //Create cv_images
+ src = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 3 );
+ dst = cvCloneImage(src);
+ alpha = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 1 );
+ }
+ // FEM UNA COPIA DEL PACKET A image->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage
+ memcpy( alpha->imageData, image.data, image.xsize*image.ysize );
+
+ cvCvtColor(alpha, src, CV_GRAY2RGB);
+
+ if (this->mode == 1) { //open/close
+ int n = pos;
+ int an = n > 0 ? n : -n;
+ element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+ if( n < 0 )
+ {
+ cvErode(src,dst,element,1);
+ cvDilate(dst,dst,element,1);
+ }
+ else
+ {
+ cvDilate(src,dst,element,1);
+ cvErode(dst,dst,element,1);
+ }
+ cvReleaseStructuringElement(&element);
+
+ } else {
+ int n = pos;
+ int an = n > 0 ? n : -n;
+ element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+ if( n < 0 )
+ {
+ cvErode(src,dst,element,1);
+ }
+ else
+ {
+ cvDilate(src,dst,element,1);
+ }
+ cvReleaseStructuringElement(&element);
+
+ }
+
+ cvCvtColor(dst, alpha, CV_RGB2GRAY);
+ //cvShowImage(wndname, cedge);
+ memcpy( image.data, alpha->imageData, image.xsize*image.ysize );
+}
+
+/////////////////////////////////////////////////////////
+// floatPosMess
+//
+/////////////////////////////////////////////////////////
+void pix_opencv_morphology :: floatPosMess (float pos)
+{
+ this->pos = (int)pos;
+}
+
+/////////////////////////////////////////////////////////
+// static member function
+//
+/////////////////////////////////////////////////////////
+void pix_opencv_morphology :: obj_setupCallback(t_class *classPtr)
+{
+ class_addmethod(classPtr, (t_method)&pix_opencv_morphology::floatPosMessCallback,
+ gensym("ft1"), A_FLOAT, A_NULL);
+ class_addmethod(classPtr, (t_method)&pix_opencv_morphology::modeMessCallback,
+ gensym("mode"), A_DEFFLOAT, A_NULL);
+ class_addmethod(classPtr, (t_method)&pix_opencv_morphology::shapeMessCallback,
+ gensym("shape"), A_DEFFLOAT, A_NULL);
+}
+void pix_opencv_morphology :: floatPosMessCallback(void *data, t_floatarg pos)
+{
+ GetMyClass(data)->floatPosMess((float)pos);
+}
+void pix_opencv_morphology :: modeMessCallback(void *data, t_floatarg mode)
+{
+ GetMyClass(data)->mode=!(!(int)mode);
+}
+void pix_opencv_morphology :: shapeMessCallback(void *data, t_floatarg f)
+{
+ if( (int)f == 1 )
+ GetMyClass(data)->element_shape = CV_SHAPE_RECT;
+ else if( (int)f == 2 )
+ GetMyClass(data)->element_shape = CV_SHAPE_ELLIPSE;
+ else if( (int)f == 3 )
+ GetMyClass(data)->element_shape = CV_SHAPE_CROSS;
+}
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