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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_laplace.h"
+
+CPPEXTERN_NEW(pix_opencv_laplace)
+
+/////////////////////////////////////////////////////////
+//
+// pix_opencv_laplace
+//
+/////////////////////////////////////////////////////////
+// Constructor
+//
+/////////////////////////////////////////////////////////
+pix_opencv_laplace :: pix_opencv_laplace()
+{
+ int i;
+
+ inlet_new(this->x_obj, &this->x_obj->ob_pd, gensym("float"), gensym("ft1"));
+
+ aperture_size = 3;
+ comp_xsize = 0;
+ comp_ysize = 0;
+
+ rgb = NULL;
+ rgba = NULL;
+ grey = NULL;
+ laplace = NULL;
+ colorlaplace = NULL;
+ for (i=0; i<3; i++) planes[i] = NULL;
+
+}
+
+/////////////////////////////////////////////////////////
+// Destructor
+//
+/////////////////////////////////////////////////////////
+pix_opencv_laplace :: ~pix_opencv_laplace()
+{
+ int i;
+ //Destroy cv_images to clean memory
+ for( i = 0; i < 3; i++ )
+ cvReleaseImage( &planes[i] );
+ cvReleaseImage( &rgb );
+ cvReleaseImage( &rgba );
+ cvReleaseImage( &grey );
+ cvReleaseImage( &laplace );
+ cvReleaseImage( &colorlaplace );
+}
+
+/////////////////////////////////////////////////////////
+// processImage
+//
+/////////////////////////////////////////////////////////
+void pix_opencv_laplace :: 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
+ for( i = 0; i < 3; i++ )
+ cvReleaseImage( &planes[i] );
+ cvReleaseImage( &rgb );
+ cvReleaseImage( &rgba );
+ cvReleaseImage( &grey );
+ cvReleaseImage( &laplace );
+ cvReleaseImage( &colorlaplace );
+
+ //Create cv_images
+ for( i = 0; i < 3; i++ )
+ planes[i] = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 1 );
+ laplace = cvCreateImage( cvSize(image.xsize, image.ysize), IPL_DEPTH_16S, 1 );
+ colorlaplace = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 );
+ rgb = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 );
+ rgba = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 4 );
+ grey = 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 );
+
+ cvCvtColor( rgba, rgb, CV_RGBA2RGB);
+
+ cvCvtPixToPlane( rgb, planes[0], planes[1], planes[2], 0 );
+ for( i = 0; i < 3; i++ )
+ {
+ cvLaplace( planes[i], laplace, aperture_size );
+ cvConvertScaleAbs( laplace, planes[i], 1, 0 );
+ }
+ cvCvtPlaneToPix( planes[0], planes[1], planes[2], 0, colorlaplace );
+ colorlaplace->origin = rgb->origin;
+
+ cvCvtColor( colorlaplace, rgba, CV_RGB2RGBA);
+ memcpy( image.data, rgba->imageData, image.xsize*image.ysize*4 );
+}
+
+void pix_opencv_laplace :: processRGBImage(imageStruct &image)
+{
+ unsigned char *pixels = image.data;
+ int i;
+
+ if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!rgb)) {
+
+ this->comp_xsize = image.xsize;
+ this->comp_ysize = image.ysize;
+
+ //Destroy cv_images to clean memory
+ for( i = 0; i < 3; i++ )
+ cvReleaseImage( &planes[i] );
+ cvReleaseImage( &rgb );
+ cvReleaseImage( &laplace );
+ cvReleaseImage( &colorlaplace );
+
+ //Create cv_images
+ for( i = 0; i < 3; i++ )
+ planes[i] = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 1 );
+ laplace = cvCreateImage( cvSize(image.xsize, image.ysize), IPL_DEPTH_16S, 1 );
+ colorlaplace = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 );
+ rgb = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 );
+ }
+ // 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( rgb->imageData, image.data, image.xsize*image.ysize*3 );
+
+ cvCvtPixToPlane( rgb, planes[0], planes[1], planes[2], 0 );
+ for( i = 0; i < 3; i++ )
+ {
+ cvLaplace( planes[i], laplace, 3 );
+ cvConvertScaleAbs( laplace, planes[i], 1, 0 );
+ }
+ cvCvtPlaneToPix( planes[0], planes[1], planes[2], 0, colorlaplace );
+ colorlaplace->origin = rgb->origin;
+
+ //cvShowImage(wndname, cedge);
+ memcpy( image.data, colorlaplace->imageData, image.xsize*image.ysize*3 );
+}
+
+void pix_opencv_laplace :: processYUVImage(imageStruct &image)
+{
+ post( "pix_opencv_laplace : yuv format not supported" );
+}
+
+void pix_opencv_laplace :: processGrayImage(imageStruct &image)
+{
+ unsigned char *pixels = image.data;
+ int i;
+
+ if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!grey)) {
+
+ this->comp_xsize = image.xsize;
+ this->comp_ysize = image.ysize;
+
+ //Destroy cv_images to clean memory
+ for( i = 0; i < 3; i++ )
+ cvReleaseImage( &planes[i] );
+ cvReleaseImage( &rgb );
+ cvReleaseImage( &laplace );
+ cvReleaseImage( &colorlaplace );
+ cvReleaseImage( &grey );
+
+ //Create cv_images
+ for( i = 0; i < 3; i++ )
+ planes[i] = cvCreateImage( cvSize(image.xsize, image.ysize), 8, 1 );
+ laplace = cvCreateImage( cvSize(image.xsize, image.ysize), IPL_DEPTH_16S, 1 );
+ colorlaplace = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 );
+ rgb = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 );
+ grey = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 1 );
+ }
+ memcpy( grey->imageData, image.data, image.xsize*image.ysize );
+
+ cvCvtColor( grey, rgb, CV_GRAY2RGB);
+
+ cvCvtPixToPlane( rgb, planes[0], planes[1], planes[2], 0 );
+ for( i = 0; i < 3; i++ )
+ {
+ cvLaplace( planes[i], laplace, 3 );
+ cvConvertScaleAbs( laplace, planes[i], 1, 0 );
+ }
+ cvCvtPlaneToPix( planes[0], planes[1], planes[2], 0, colorlaplace );
+ colorlaplace->origin = rgb->origin;
+
+
+ cvCvtColor( colorlaplace, grey, CV_RGB2GRAY);
+ //cvShowImage(wndname, cedge);
+ memcpy( image.data, grey->imageData, image.xsize*image.ysize );
+}
+
+/////////////////////////////////////////////////////////
+// floatApertureMess
+//
+/////////////////////////////////////////////////////////
+void pix_opencv_laplace :: floatApertureMess (float aperture_size)
+{
+ if ((aperture_size==1)||(aperture_size==3)||(aperture_size==5)||(aperture_size==7)) this->aperture_size = (int)aperture_size;
+ else post("aperture size out of range ... must be 1,3,5 or 7");
+}
+
+/////////////////////////////////////////////////////////
+// static member function
+//
+/////////////////////////////////////////////////////////
+void pix_opencv_laplace :: obj_setupCallback(t_class *classPtr)
+{
+ class_addmethod(classPtr, (t_method)&pix_opencv_laplace::floatApertureMessCallback,
+ gensym("ft1"), A_FLOAT, A_NULL);
+}
+void pix_opencv_laplace :: floatApertureMessCallback(void *data, t_floatarg aperture_size)
+{
+ GetMyClass(data)->floatApertureMess((float)aperture_size);
+}
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