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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.
//
/////////////////////////////////////////////////////////
#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*/
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