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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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