From ba994f4404b6eadcab4e0ead46ef4d3ffeceb024 Mon Sep 17 00:00:00 2001 From: Antoine Villeret Date: Thu, 10 Jul 2014 14:39:22 +0000 Subject: lots of changes ! 1. switch to a new build system based on automake (because we need to check for some lib on ./configure before make) 2. sort files in different directory 3. add some new features (some of them need OpenCV >= 2.4.5) svn path=/trunk/externals/pix_opencv/; revision=17324 --- src/pix_opencv_athreshold.cc | 261 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 src/pix_opencv_athreshold.cc (limited to 'src/pix_opencv_athreshold.cc') diff --git a/src/pix_opencv_athreshold.cc b/src/pix_opencv_athreshold.cc new file mode 100644 index 0000000..a4f6e15 --- /dev/null +++ b/src/pix_opencv_athreshold.cc @@ -0,0 +1,261 @@ +//////////////////////////////////////////////////////// +// +// 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. +// +///////////////////////////////////////////////////////// + +#if HAVE_LIBOPENCV_LEGACY + +#include "pix_opencv_athreshold.h" + +CPPEXTERN_NEW(pix_opencv_athreshold) + +///////////////////////////////////////////////////////// +// +// pix_opencv_athreshold +// +///////////////////////////////////////////////////////// +// Constructor +// +///////////////////////////////////////////////////////// +pix_opencv_athreshold :: pix_opencv_athreshold() +{ + inlet_new(this->x_obj, &this->x_obj->ob_pd, gensym("float"), gensym("max_value")); + inlet_new(this->x_obj, &this->x_obj->ob_pd, gensym("float"), gensym("blocksize")); + + max_value = 255; + x_threshold_mode = 0; + x_threshold_method = CV_ADAPTIVE_THRESH_MEAN_C; + x_blocksize = 3; + x_dim = 0; + + comp_xsize=320; + comp_ysize=240; + + rgba = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 4); + rgb = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 3); + gray = cvCreateImage(cvSize(comp_xsize,comp_ysize), IPL_DEPTH_8U, 1); +} + +///////////////////////////////////////////////////////// +// Destructor +// +///////////////////////////////////////////////////////// +pix_opencv_athreshold :: ~pix_opencv_athreshold() +{ + //Destroy cv_images to clean memory + cvReleaseImage(&rgba); + cvReleaseImage(&gray); + cvReleaseImage(&rgb); +} + +///////////////////////////////////////////////////////// +// processImage +// +///////////////////////////////////////////////////////// +void pix_opencv_athreshold :: processRGBAImage(imageStruct &image) +{ + unsigned char *pixels = image.data; + + 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 + if ( rgba ) + { + cvReleaseImage(&rgba); + cvReleaseImage(&gray); + cvReleaseImage(&rgb); + } + + //create the orig image with new size + rgba = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 4); + rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3); + gray = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 1); + } + memcpy( rgba->imageData, image.data, image.xsize*image.ysize*4 ); + cvCvtColor(rgba, gray, CV_BGRA2GRAY); + + // Applies fixed-level thresholding to single-channel array. + switch(x_threshold_mode) { + case 0: + cvAdaptiveThreshold(gray, gray, (float)max_value, x_threshold_method, CV_THRESH_BINARY, x_blocksize, x_dim); + break; + case 1: + cvAdaptiveThreshold(gray, gray, (float)max_value, x_threshold_method, CV_THRESH_BINARY_INV, x_blocksize, x_dim); + break; + } + + cvCvtColor(gray, rgba, CV_GRAY2BGRA); + //copy back the processed frame to image + memcpy( image.data, rgba->imageData, image.xsize*image.ysize*4 ); +} + +void pix_opencv_athreshold :: processRGBImage(imageStruct &image) +{ + unsigned char *pixels = image.data; + + 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 + if ( rgb ) + { + cvReleaseImage(&rgba); + cvReleaseImage(&gray); + cvReleaseImage(&rgb); + } + + //create the orig image with new size + rgba = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 4); + rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3); + gray = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 1); + + } + memcpy( rgb->imageData, image.data, image.xsize*image.ysize*3 ); + cvCvtColor(rgb, gray, CV_RGB2GRAY); + + // Applies fixed-level thresholding to single-channel array. + switch(x_threshold_mode) { + case 0: + cvAdaptiveThreshold(gray, gray, (float)max_value, x_threshold_method, CV_THRESH_BINARY, x_blocksize, x_dim); + break; + case 1: + cvAdaptiveThreshold(gray, gray, (float)max_value, x_threshold_method, CV_THRESH_BINARY_INV, x_blocksize, x_dim); + break; + } + + cvCvtColor(gray, rgb, CV_GRAY2BGR); + memcpy( image.data, rgb->imageData, image.xsize*image.ysize*3 ); +} + +void pix_opencv_athreshold :: processYUVImage(imageStruct &image) +{ + post( "pix_opencv_athreshold : yuv format not supported" ); +} + +void pix_opencv_athreshold :: processGrayImage(imageStruct &image) +{ + unsigned char *pixels = image.data; + + 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 + if ( rgb ) + { + cvReleaseImage(&rgba); + cvReleaseImage(&gray); + cvReleaseImage(&rgb); + } + + //create the orig image with new size + rgba = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 4); + rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3); + gray = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 1); + + } + memcpy( gray->imageData, image.data, image.xsize*image.ysize ); + + // Applies fixed-level thresholding to single-channel array. + switch(x_threshold_mode) { + case 0: + cvAdaptiveThreshold(gray, gray, (float)max_value, x_threshold_method, CV_THRESH_BINARY, x_blocksize, x_dim); + break; + case 1: + cvAdaptiveThreshold(gray, gray, (float)max_value, x_threshold_method, CV_THRESH_BINARY_INV, x_blocksize, x_dim); + break; + } + + memcpy( image.data, gray->imageData, image.xsize*image.ysize ); +} + +void pix_opencv_athreshold :: floatMaxValueMess (float maxvalue) +{ + if ( (int)maxvalue>0 ) max_value = (int)maxvalue; +} + +void pix_opencv_athreshold :: floatModeMess (float mode) +{ + if ( ( (int)mode==0 ) || ( (int)mode==1 ) ) x_threshold_mode = (int)mode; +} + +void pix_opencv_athreshold :: floatMethodMess (float method) +{ + if ( (int)method==CV_ADAPTIVE_THRESH_MEAN_C ) x_threshold_method = CV_ADAPTIVE_THRESH_MEAN_C; + if ( (int)method==CV_ADAPTIVE_THRESH_GAUSSIAN_C ) x_threshold_method = CV_ADAPTIVE_THRESH_GAUSSIAN_C; +} + +void pix_opencv_athreshold :: floatBlockSizeMess (float blocksize) +{ + if ( ( (int)blocksize>=3 ) && ( (int)(blocksize+1)%2 == 0 ) ) + { + x_blocksize = (int)blocksize; + } +} + +void pix_opencv_athreshold :: floatDimMess (float dim) +{ + if ( (int)dim>0 ) x_dim = (int)dim; +} + +///////////////////////////////////////////////////////// +// static member function +// +///////////////////////////////////////////////////////// +void pix_opencv_athreshold :: obj_setupCallback(t_class *classPtr) +{ + class_addmethod(classPtr, (t_method)&pix_opencv_athreshold::floatModeMessCallback, + gensym("mode"), A_FLOAT, A_NULL); + class_addmethod(classPtr, (t_method)&pix_opencv_athreshold::floatMethodMessCallback, + gensym("method"), A_FLOAT, A_NULL); + class_addmethod(classPtr, (t_method)&pix_opencv_athreshold::floatMaxValueMessCallback, + gensym("max_value"), A_FLOAT, A_NULL); + class_addmethod(classPtr, (t_method)&pix_opencv_athreshold::floatBlockSizeMessCallback, + gensym("blocksize"), A_FLOAT, A_NULL); + class_addmethod(classPtr, (t_method)&pix_opencv_athreshold::floatDimMessCallback, + gensym("dim"), A_FLOAT, A_NULL); +} + +void pix_opencv_athreshold :: floatModeMessCallback(void *data, t_floatarg mode) +{ + GetMyClass(data)->floatModeMess((float)mode); +} + +void pix_opencv_athreshold :: floatMethodMessCallback(void *data, t_floatarg method) +{ + GetMyClass(data)->floatMethodMess((float)method); +} + +void pix_opencv_athreshold :: floatMaxValueMessCallback(void *data, t_floatarg maxvalue) +{ + GetMyClass(data)->floatMaxValueMess((float)maxvalue); +} + +void pix_opencv_athreshold :: floatBlockSizeMessCallback(void *data, t_floatarg blocksize) +{ + GetMyClass(data)->floatBlockSizeMess((float)blocksize); +} + +void pix_opencv_athreshold :: floatDimMessCallback(void *data, t_floatarg dim) +{ + GetMyClass(data)->floatDimMess((float)dim); +} +#endif /*HAVE_LIBOPENCV_LEGACY*/ -- cgit v1.2.1