CV_IMPL void
cvShowImage( const char* name, const CvArr* arr )
{
CV_FUNCNAME( "cvShowImage" );
__BEGIN__;
CvWindow* window;
if( !name )
CV_ERROR( CV_StsNullPtr, "NULL name" );
CV_LOCK_MUTEX();
window = icvFindWindowByName(name);
if(!window)
{
cvNamedWindow(name, 1);
window = icvFindWindowByName(name);
}
if( window && arr ){
CvImageWidget * image_widget = CV_IMAGE_WIDGET( window->widget );
cvImageWidgetSetImage( image_widget, arr );
}
CV_UNLOCK_MUTEX();
__END__;
}
CV_IMPL void cvResizeWindow(const char* name, int width, int height )
{
CV_FUNCNAME( "cvResizeWindow" );
__BEGIN__;
CvWindow* window;
CvImageWidget * image_widget;
if( !name )
CV_ERROR( CV_StsNullPtr, "NULL name" );
window = icvFindWindowByName(name);
if(!window)
EXIT;
image_widget = CV_IMAGE_WIDGET( window->widget );
if(image_widget->flags & CV_WINDOW_AUTOSIZE)
EXIT;
CV_LOCK_MUTEX();
gtk_window_set_resizable( GTK_WINDOW(window->frame), 1 );
gtk_window_resize( GTK_WINDOW(window->frame), width, height );
// disable initial resize since presumably user wants to keep
// this window size
image_widget->flags &= ~CV_WINDOW_NO_IMAGE;
CV_UNLOCK_MUTEX();
__END__;
}
CV_IMPL void cvDestroyWindow( const char* name )
{
CV_FUNCNAME( "cvDestroyWindow" );
__BEGIN__;
CvWindow* window;
if(!name)
CV_ERROR( CV_StsNullPtr, "NULL name string" );
window = icvFindWindowByName( name );
if( !window )
EXIT;
// note that it is possible for the update thread to run this function
// if there is a call to cvShowImage in a mouse callback
// (this would produce a deadlock on window_mutex)
CV_LOCK_MUTEX();
icvDeleteWindow( window );
CV_UNLOCK_MUTEX();
__END__;
}
CV_IMPL void cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos )
{
CV_FUNCNAME( "cvSetTrackbarPos" );
__BEGIN__;
CvWindow* window;
CvTrackbar* trackbar = 0;
if( trackbar_name == 0 || window_name == 0 )
CV_ERROR( CV_StsNullPtr, "NULL trackbar or window name" );
window = icvFindWindowByName( window_name );
if( window )
trackbar = icvFindTrackbarByName( window, trackbar_name );
if( trackbar )
{
if( pos < 0 )
pos = 0;
if( pos > trackbar->maxval )
pos = trackbar->maxval;
}
CV_LOCK_MUTEX();
gtk_range_set_value( GTK_RANGE(trackbar->widget), pos );
CV_UNLOCK_MUTEX();
__END__;
}
void cvChangeMode_GTK( const char* name, double prop_value)//Yannick Verdie
{
CV_FUNCNAME( "cvChangeMode_GTK" );
__BEGIN__;
CvWindow* window;
if(!name)
CV_ERROR( CV_StsNullPtr, "NULL name string" );
window = icvFindWindowByName( name );
if( !window )
CV_ERROR( CV_StsNullPtr, "NULL window" );
if(window->flags & CV_WINDOW_AUTOSIZE)//if the flag CV_WINDOW_AUTOSIZE is set
EXIT;
//so easy to do fullscreen here, Linux rocks !
if (window->status==CV_WINDOW_FULLSCREEN && prop_value==CV_WINDOW_NORMAL)
{
CV_LOCK_MUTEX();
gtk_window_unfullscreen(GTK_WINDOW(window->frame));
window->status=CV_WINDOW_NORMAL;
CV_UNLOCK_MUTEX();
EXIT;
}
if (window->status==CV_WINDOW_NORMAL && prop_value==CV_WINDOW_FULLSCREEN)
{
CV_LOCK_MUTEX();
gtk_window_fullscreen(GTK_WINDOW(window->frame));
window->status=CV_WINDOW_FULLSCREEN;
CV_UNLOCK_MUTEX();
EXIT;
}
__END__;
}
CV_IMPL void
cvDestroyAllWindows( void )
{
CV_LOCK_MUTEX();
while( hg_windows )
{
CvWindow* window = hg_windows;
icvDeleteWindow( window );
}
CV_UNLOCK_MUTEX();
}
CV_IMPL void
cvShowImage( const char* name, const CvArr* arr )
{
CV_FUNCNAME( "cvShowImage" );
__BEGIN__;
CvWindow* window;
if( !name )
CV_ERROR( CV_StsNullPtr, "NULL name" );
CV_LOCK_MUTEX();
window = icvFindWindowByName(name);
if(!window)
{
cvNamedWindow(name, 1);
window = icvFindWindowByName(name);
}
if( window && arr )
{
#ifdef HAVE_OPENGL
if (window->useGl)
{
CvMat stub;
CvMat* mat = cvGetMat(arr, &stub);
cv::Mat im(mat);
cv::imshow(name, im);
return;
}
#endif
CvImageWidget * image_widget = CV_IMAGE_WIDGET( window->widget );
cvImageWidgetSetImage( image_widget, arr );
}
CV_UNLOCK_MUTEX();
__END__;
}
CV_IMPL void cvMoveWindow( const char* name, int x, int y )
{
CV_FUNCNAME( "cvMoveWindow" );
__BEGIN__;
CvWindow* window;
if( !name )
CV_ERROR( CV_StsNullPtr, "NULL name" );
window = icvFindWindowByName(name);
if(!window)
EXIT;
CV_LOCK_MUTEX();
gtk_window_move( GTK_WINDOW(window->frame), x, y );
CV_UNLOCK_MUTEX();
__END__;
}
double cvGetMode_GTK(const char* name)//YV
{
double result = -1;
CV_FUNCNAME( "cvGetMode_GTK" );
__BEGIN__;
CvWindow* window;
if(!name)
CV_ERROR( CV_StsNullPtr, "NULL name string" );
window = icvFindWindowByName( name );
if( !window )
CV_ERROR( CV_StsNullPtr, "NULL window" );
CV_LOCK_MUTEX();
result = window->status;
CV_UNLOCK_MUTEX();
__END__;
return result;
}
static int
icvCreateTrackbar( const char* trackbar_name, const char* window_name,
int* val, int count, CvTrackbarCallback on_notify,
CvTrackbarCallback2 on_notify2, void* userdata )
{
int result = 0;
CV_FUNCNAME( "icvCreateTrackbar" );
__BEGIN__;
/*char slider_name[32];*/
CvWindow* window = 0;
CvTrackbar* trackbar = 0;
if( !window_name || !trackbar_name )
CV_ERROR( CV_StsNullPtr, "NULL window or trackbar name" );
if( count <= 0 )
CV_ERROR( CV_StsOutOfRange, "Bad trackbar maximal value" );
window = icvFindWindowByName(window_name);
if( !window )
EXIT;
trackbar = icvFindTrackbarByName(window,trackbar_name);
CV_LOCK_MUTEX();
if( !trackbar )
{
int len = strlen(trackbar_name);
trackbar = (CvTrackbar*)cvAlloc(sizeof(CvTrackbar) + len + 1);
memset( trackbar, 0, sizeof(*trackbar));
trackbar->signature = CV_TRACKBAR_MAGIC_VAL;
trackbar->name = (char*)(trackbar+1);
memcpy( trackbar->name, trackbar_name, len + 1 );
trackbar->parent = window;
trackbar->next = window->toolbar.first;
window->toolbar.first = trackbar;
GtkWidget* hscale_box = gtk_hbox_new( FALSE, 10 );
GtkWidget* hscale_label = gtk_label_new( trackbar_name );
GtkWidget* hscale = gtk_hscale_new_with_range( 0, count, 1 );
gtk_range_set_update_policy( GTK_RANGE(hscale), GTK_UPDATE_CONTINUOUS );
gtk_scale_set_digits( GTK_SCALE(hscale), 0 );
//gtk_scale_set_value_pos( hscale, GTK_POS_TOP );
gtk_scale_set_draw_value( GTK_SCALE(hscale), TRUE );
trackbar->widget = hscale;
gtk_box_pack_start( GTK_BOX(hscale_box), hscale_label, FALSE, FALSE, 5 );
gtk_widget_show( hscale_label );
gtk_box_pack_start( GTK_BOX(hscale_box), hscale, TRUE, TRUE, 5 );
gtk_widget_show( hscale );
gtk_box_pack_start( GTK_BOX(window->paned), hscale_box, FALSE, FALSE, 5 );
gtk_widget_show( hscale_box );
}
if( val )
{
int value = *val;
if( value < 0 )
value = 0;
if( value > count )
value = count;
gtk_range_set_value( GTK_RANGE(trackbar->widget), value );
trackbar->pos = value;
trackbar->data = val;
}
trackbar->maxval = count;
trackbar->notify = on_notify;
trackbar->notify2 = on_notify2;
trackbar->userdata = userdata;
gtk_signal_connect( GTK_OBJECT(trackbar->widget), "value-changed",
GTK_SIGNAL_FUNC(icvOnTrackbar), trackbar );
// queue a widget resize to trigger a window resize to
// compensate for the addition of trackbars
gtk_widget_queue_resize( GTK_WIDGET(window->widget) );
CV_UNLOCK_MUTEX();
result = 1;
__END__;
return result;
}
CV_IMPL int cvNamedWindow( const char* name, int flags )
{
int result = 0;
CV_FUNCNAME( "cvNamedWindow" );
__BEGIN__;
CvWindow* window;
int len;
cvInitSystem(1,(char**)&name);
if( !name )
CV_ERROR( CV_StsNullPtr, "NULL name string" );
// Check the name in the storage
if( icvFindWindowByName( name ) != 0 )
{
result = 1;
EXIT;
}
len = strlen(name);
CV_CALL( window = (CvWindow*)cvAlloc(sizeof(CvWindow) + len + 1));
memset( window, 0, sizeof(*window));
window->name = (char*)(window + 1);
memcpy( window->name, name, len + 1 );
window->flags = flags;
window->signature = CV_WINDOW_MAGIC_VAL;
window->last_key = 0;
window->on_mouse = 0;
window->on_mouse_param = 0;
memset( &window->toolbar, 0, sizeof(window->toolbar));
window->next = hg_windows;
window->prev = 0;
window->status = CV_WINDOW_NORMAL;//YV
CV_LOCK_MUTEX();
window->frame = gtk_window_new( GTK_WINDOW_TOPLEVEL );
window->paned = gtk_vbox_new( FALSE, 0 );
window->widget = cvImageWidgetNew( flags );
gtk_box_pack_end( GTK_BOX(window->paned), window->widget, TRUE, TRUE, 0 );
gtk_widget_show( window->widget );
gtk_container_add( GTK_CONTAINER(window->frame), window->paned );
gtk_widget_show( window->paned );
//
// configure event handlers
// TODO -- move this to CvImageWidget ?
gtk_signal_connect( GTK_OBJECT(window->frame), "key-press-event",
GTK_SIGNAL_FUNC(icvOnKeyPress), window );
gtk_signal_connect( GTK_OBJECT(window->widget), "button-press-event",
GTK_SIGNAL_FUNC(icvOnMouse), window );
gtk_signal_connect( GTK_OBJECT(window->widget), "button-release-event",
GTK_SIGNAL_FUNC(icvOnMouse), window );
gtk_signal_connect( GTK_OBJECT(window->widget), "motion-notify-event",
GTK_SIGNAL_FUNC(icvOnMouse), window );
gtk_signal_connect( GTK_OBJECT(window->frame), "delete-event",
GTK_SIGNAL_FUNC(icvOnClose), window );
gtk_widget_add_events (window->widget, GDK_EXPOSURE_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK) ;
gtk_widget_show( window->frame );
gtk_window_set_title( GTK_WINDOW(window->frame), name );
if( hg_windows )
hg_windows->prev = window;
hg_windows = window;
gtk_window_set_resizable( GTK_WINDOW(window->frame), (flags & CV_WINDOW_AUTOSIZE) == 0 );
// allow window to be resized
if( (flags & CV_WINDOW_AUTOSIZE)==0 ){
GdkGeometry geometry;
geometry.min_width = 50;
geometry.min_height = 50;
gtk_window_set_geometry_hints( GTK_WINDOW( window->frame ), GTK_WIDGET( window->widget ),
&geometry, (GdkWindowHints) (GDK_HINT_MIN_SIZE));
}
CV_UNLOCK_MUTEX();
result = 1;
__END__;
return result;
}
