From 7b555924a46e83b194e5fab92fc6d6e564d6a5ab Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?llu=C3=ADs=20g=C3=B3mez=20i=20bigord=C3=A0?= Date: Sun, 25 May 2008 21:51:21 +0000 Subject: svn path=/trunk/externals/pix_opencv/; revision=9913 --- pix_opencv_laplace.cpp | 237 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 237 insertions(+) create mode 100644 pix_opencv_laplace.cpp (limited to 'pix_opencv_laplace.cpp') diff --git a/pix_opencv_laplace.cpp b/pix_opencv_laplace.cpp new file mode 100644 index 0000000..5fbecda --- /dev/null +++ b/pix_opencv_laplace.cpp @@ -0,0 +1,237 @@ +//////////////////////////////////////////////////////// +// +// 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; + + frame = NULL; + rgba = NULL; + alpha = 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( &frame ); + cvReleaseImage( &rgba ); + cvReleaseImage( &alpha ); + 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( &frame ); + cvReleaseImage( &rgba ); + cvReleaseImage( &alpha ); + 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 ); + frame = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 ); + 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[] = { frame, 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 ); + + cvCvtPixToPlane( frame, 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 = frame->origin; + + + CvArr* src[] = { colorlaplace, 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_laplace :: processRGBImage(imageStruct &image) +{ + unsigned char *pixels = image.data; + int i; + + if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!frame)) { + + 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( &frame ); + 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 ); + frame = 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( frame->imageData, image.data, image.xsize*image.ysize*3 ); + + cvCvtPixToPlane( frame, 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 = frame->origin; + + + //cvShowImage(wndname, cedge); + memcpy( image.data, colorlaplace->imageData, image.xsize*image.ysize*3 ); +} + +void pix_opencv_laplace :: processYUVImage(imageStruct &image) +{ +} + +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)||(!alpha)) { + + 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( &frame ); + cvReleaseImage( &laplace ); + cvReleaseImage( &colorlaplace ); + cvReleaseImage( &alpha ); + + //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 ); + frame = cvCreateImage( cvSize(image.xsize,image.ysize), 8, 3 ); + 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, frame, CV_GRAY2RGB); + + cvCvtPixToPlane( frame, 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 = frame->origin; + + + cvCvtColor( colorlaplace, alpha, CV_RGB2GRAY); + //cvShowImage(wndname, cedge); + memcpy( image.data, alpha->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); +} -- cgit v1.2.1