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/* * File name: mdispwindowgtk.cpp * Location: See Matrox Example Launcher in the MIL Control Center * */ #include "mdispwindowgtk.h" /* Window title. */ #define MIL_APPLICATION_NAME "MIL Application" #define MIL_APPLICATION_NAME_SIZE 128 /* Default image dimensions. */ #define DEFAULT_IMAGE_SIZE_X 640 #define DEFAULT_IMAGE_SIZE_Y 480 #define DEFAULT_IMAGE_SIZE_BAND 1 void GtkMessageBox(const gchar *,GtkMessageType); /***************************************************************************/ /* * Name: MilApplication() * * synopsis: This function is the core of the MIL application that * is executed when this program is started. See main() below for * the program entry point. * * It uses MIL to display a welcoming message in the * specified user window and to grab in it if it is supported * by the target system. * */ void MilApplication(MilWindow* MainWindow) { /* MIL variables */ MIL_ID MilApplication, /* MIL Application identifier. */ MilSystem, /* MIL System identifier. */ MilDisplay, /* Display identifier. */ MilDigitizer, /* MIL Digitizer identifier. */ MilImage; /* MIL Image buffer identifier. */ long BufSizeX; long BufSizeY; long BufSizeBand; /* Allocate a MIL application. */ MappAlloc(M_NULL, M_DEFAULT, &MilApplication); /* Allocate a MIL system. */ MsysAlloc(M_DEFAULT, "M_DEFAULT", M_DEFAULT, M_DEFAULT, &MilSystem); /* Allocate a MIL display. */ MdispAlloc(MilSystem, M_DEFAULT, "M_DEFAULT", M_WINDOWED, &MilDisplay); /* Allocate a MIL digitizer if supported and sets the target image size. */ if (MsysInquire(MilSystem, M_DIGITIZER_NUM, M_NULL) > 0) { MdigAlloc(MilSystem, M_DEFAULT, "M_DEFAULT", M_DEFAULT, &MilDigitizer); MdigInquire(MilDigitizer, M_SIZE_X, &BufSizeX); MdigInquire(MilDigitizer, M_SIZE_Y, &BufSizeY); MdigInquire(MilDigitizer, M_SIZE_BAND, &BufSizeBand); /* Resize the display window */ if((BufSizeX > DEFAULT_IMAGE_SIZE_X) || (BufSizeY > DEFAULT_IMAGE_SIZE_Y)) { gtk_window_resize(GTK_WINDOW(MainWindow->Window), BufSizeX, BufSizeY + MainWindow->HBox->allocation.height); } } else { MilDigitizer = M_NULL; BufSizeX = DEFAULT_IMAGE_SIZE_X; BufSizeY = DEFAULT_IMAGE_SIZE_Y; BufSizeBand = DEFAULT_IMAGE_SIZE_BAND; } /* Allocate a MIL buffer. */ MbufAllocColor(MilSystem, BufSizeBand, BufSizeX, BufSizeY, 8+M_UNSIGNED, (MilDigitizer ? M_IMAGE+M_DISP+M_GRAB : M_IMAGE+M_DISP), &MilImage); /* Clear the buffer */ MbufClear(MilImage,0); /* Select the MIL buffer to be displayed in the user-specified window */ MdispSelectWindow(MilDisplay, MilImage, GDK_WINDOW_XWINDOW(MainWindow->Area->window)); /* Print a string in the image buffer using MIL. Note: When a MIL buffer is modified using a MIL command, the display automatically updates the window passed to MdispSelectWindow(). */ MgraFont(M_DEFAULT, M_FONT_DEFAULT_LARGE); MgraText(M_DEFAULT, MilImage, (BufSizeX/8)*2, BufSizeY/2, MIL_TEXT(" Welcome to MIL !!! ")); MgraRect(M_DEFAULT, MilImage, ((BufSizeX/8)*2)-60, (BufSizeY/2)-80, ((BufSizeX/8)*2)+370, (BufSizeY/2)+100); MgraRect(M_DEFAULT, MilImage, ((BufSizeX/8)*2)-40, (BufSizeY/2)-60, ((BufSizeX/8)*2)+350, (BufSizeY/2)+80); MgraRect(M_DEFAULT, MilImage, ((BufSizeX/8)*2)-20, (BufSizeY/2)-40, ((BufSizeX/8)*2)+330, (BufSizeY/2)+60); /* Open a message box to wait for a key. */ GtkMessageBox("Welcome to MIL !!! was printed",GTK_MESSAGE_INFO); /* Grab in the user window if supported. */ if (MilDigitizer) { /* Grab continuously. */ MdigGrabContinuous(MilDigitizer, MilImage); /* Open a message box to wait for a key. */ GtkMessageBox("Continuous grab in progress",GTK_MESSAGE_INFO); /* Stop continuous grab. */ MdigHalt(MilDigitizer); } /* Remove the MIL buffer from the display. */ MdispSelect(MilDisplay, M_NULL); /* Free allocated objects. */ MbufFree(MilImage); if (MilDigitizer) MdigFree(MilDigitizer); MdispFree(MilDisplay); MsysFree(MilSystem); MappFree(MilApplication); } /***************************************************************************/ /* * * synopsis: This is Gtk2 part * Utility functions and * callback functions. */ /*************************************************************************** * Name: GtkMessageBox * * synopsis: Display a Gtk Modal MessageBox. * */ void GtkMessageBox(const gchar *msg,GtkMessageType msgtype) { GtkWidget *dialog=NULL; dialog = gtk_message_dialog_new (NULL, (GtkDialogFlags)(GTK_DIALOG_MODAL| GTK_DIALOG_DESTROY_WITH_PARENT), msgtype, (GTK_BUTTONS_CLOSE), "%s", msg); gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); } /*************************************************************************** * Name: gtk_start_callback * * synopsis: Called when user click Start button. * * */ gboolean gtk_start_callback(GtkWidget *widget, gpointer data) { MilWindow *MainWindow=(MilWindow *)data; gtk_widget_set_sensitive(widget,FALSE); MilApplication(MainWindow); /* end of MIlApplication */ gtk_widget_set_sensitive(widget,TRUE); return TRUE; } /*************************************************************************** * Name: main application (Gtk2) * * synopsis: Create widgets attach callbacks and loop. * * */ int main(int argc, char *argv[]) { XInitThreads(); /* some gtkwidgets */ GtkWidget *button=NULL; GtkWidget *vbox=NULL; MilWindow MainWindow; gtk_init(&argc, &argv); /* main window */ MainWindow.Window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(MainWindow.Window), MIL_APPLICATION_NAME); gtk_signal_connect (GTK_OBJECT (MainWindow.Window), "destroy", gtk_main_quit,NULL); gtk_window_set_default_size(GTK_WINDOW(MainWindow.Window), DEFAULT_IMAGE_SIZE_X, DEFAULT_IMAGE_SIZE_Y); vbox = gtk_vbox_new (FALSE, 0); gtk_container_add (GTK_CONTAINER (MainWindow.Window), vbox); gtk_widget_show (vbox); MainWindow.HBox=gtk_hbox_new(FALSE,0); gtk_box_pack_start (GTK_BOX (vbox), MainWindow.HBox, FALSE, FALSE, 0); gtk_widget_show (MainWindow.HBox); button=gtk_button_new_with_label ("Start"); gtk_box_pack_start (GTK_BOX (MainWindow.HBox), button, FALSE, FALSE, 0); gtk_widget_show(button); /* drawing area */ MainWindow.Area = gtk_drawing_area_new (); gtk_widget_set_size_request (MainWindow.Area, DEFAULT_IMAGE_SIZE_X, DEFAULT_IMAGE_SIZE_Y); gtk_box_pack_start (GTK_BOX (vbox), MainWindow.Area, TRUE, TRUE, 0); g_signal_connect (GTK_OBJECT (button), "clicked", G_CALLBACK (gtk_start_callback), (gpointer) &MainWindow); // !!! very important to get drawing area repaint correctly in Gtk2 */ gtk_widget_set_double_buffered(MainWindow.Area,False); gtk_widget_show(MainWindow.Area); gtk_widget_show (MainWindow.Window); /* enter the GTK main loop */ gtk_main(); return 0; }