Programare C/C++, MySQL C API, Paradox Engine, OpenWatcom, GTK+, LaTeX, MiKTeX [SURSE]

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programare
c/c++, MySQL C API, GTK+, windows, linux

Surce C/C++

Sursele nu imi aparţin, sunt descărcate de pe web, compilate şi testate, funcţionale 100%.

OpenCV (Open Source Computer Vision) - bibliotecă gratuită de funcţii video (linux, windows) sub licenţă BSD, şi nu numai.
Exemplu de captură webcam, testat sub linux, codeblocks&gnu cc

#include <cv.h>
#include <highgui.h>
#include <stdio.h>

// A Simple Camera Capture Framework
int main() {

  CvCapture* capture = cvCaptureFromCAM( CV_CAP_ANY );
  if( !capture )  {
	fprintf( stderr, "ERROR: capture is NULL \n" );
	getchar();
	return -1;
  }

  // Create a window in which the captured images will be presented
  cvNamedWindow( "mywindow", CV_WINDOW_AUTOSIZE );

  // Show the image captured from the camera in the window and repeat
  while( 1 ) {
	// Get one frame
	IplImage* frame = cvQueryFrame( capture );
	if( !frame ) {
	  fprintf( stderr, "ERROR: frame is null...\n" );
	  getchar();
	  break;
	}

	cvShowImage( "mywindow", frame );
	// Do not release the frame!

	//If ESC key pressed, Key=0x10001B under OpenCV 0.9.7(linux version),
	//remove higher bits using AND operator
	if( (cvWaitKey(10) & 255) == 27 ) break;
  }

  // Release the capture device housekeeping
  cvReleaseCapture( &capture );
  cvDestroyWindow( "mywindow" );
  return 0;
}

Exemplu de captură webcam folosind combinaţia Gtk+&OpenCV, testat sub linux,
codeblocks&gnu cc

#include <gtk/gtk.h>
#include <cv.h>
#include <cxcore.h>
#include <highgui.h>
#include <stdio.h>

gint t = 0;
IplImage* opencvImage;
GdkPixbuf* pix;
CvCapture* capture;

static gboolean time_handler( GtkWidget *widget ) {
  return TRUE;
}

gboolean expose_event_callback( GtkWidget      *widget,
                                GdkEventExpose *event,
                                gpointer        data) {
   gtk_widget_queue_draw( GTK_WIDGET( widget ));
   opencvImage = cvQueryFrame( capture );
   cvCvtColor( opencvImage, opencvImage, CV_BGR2RGB );
   pix = gdk_pixbuf_new_from_data(( guchar* )opencvImage->imageData,
                                             GDK_COLORSPACE_RGB,
                                             FALSE,
                                             opencvImage->depth,
                                             opencvImage->width,
                                             opencvImage->height,
                                             ( opencvImage->widthStep ),
                                             NULL, NULL);
   gdk_draw_pixbuf( widget->window,
                    widget->style->fg_gc[ GTK_WIDGET_STATE( widget )],
                    pix,
                    0, 0, 0, 0,
                    opencvImage->width,
                    opencvImage->height,
                    GDK_RGB_DITHER_MAX,
                    0, 0);
   return TRUE;
}

int main( int argc, char *argv[] ) {
   GtkWidget *window;
   GtkWidget *drawing_area;

   gtk_init (&argc, &argv);
   capture = cvCaptureFromCAM( CV_CAP_ANY );
   opencvImage = cvQueryFrame( capture );
   window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   gtk_window_set_title( GTK_WINDOW( window ), "WEBCAM");
   g_signal_connect( G_OBJECT( window ), "destroy", G_CALLBACK (gtk_main_quit), NULL);
   drawing_area = gtk_drawing_area_new();
   gtk_widget_set_size_request( drawing_area, opencvImage->width, opencvImage->height );
   gtk_container_add( GTK_CONTAINER( window ), drawing_area );
   gtk_widget_show( drawing_area );
   g_signal_connect( G_OBJECT( drawing_area), "expose_event", G_CALLBACK (expose_event_callback), NULL);
   g_timeout_add( 100, ( GSourceFunc )time_handler, ( gpointer )drawing_area );
   gtk_widget_show(window);
   gtk_main();
   cvReleaseCapture( &capture );
   return 0;
}

Programare DOS/WIN16
TurboC 4.5, Paradox Engine, generator rapoarte intern
Programare WIN32
OpenWatcom, MySQL C API, Windows SDK, GTK+
Generator rapoarte
MiKTeX, LaTeX