use thread_execute instead

Author: jcupitt

CHANGELOG.md

@@ -9,6 +9,7 @@
 - animate keypress zoom
 - use NN sampling for zoom with gtk 4.10+
 - add colour management
+- add async infobar updates
 
 ## 2.5.1, 23/7/23
 

meson.build

@@ -37,7 +37,8 @@ configure_file(
   configuration: config_h,
 )
 
-vips_dep = dependency('vips', version: '>=8.11')
+# need vips_thread_execute()
+vips_dep = dependency('vips', version: '>=8.15')
 gtk_dep = dependency('gtk4')
 m_dep = cc.find_library('m')
 

src/imagewindow.c

@@ -60,9 +60,6 @@ struct _ImageWindow
 	gint64 last_frame_time;
 
 	GSettings *settings;
-
-	// use for any bg threads we need
-	VipsThreadset *threadset;
 };
 
 G_DEFINE_TYPE( ImageWindow, image_window, GTK_TYPE_APPLICATION_WINDOW );
@@ -86,7 +83,6 @@ image_window_dispose( GObject *object )
 	printf( "image_window_dispose:\n" ); 
 #endif /*DEBUG*/
 
-	VIPS_FREEF( vips_threadset_free, win->threadset );
 	VIPS_UNREF( win->tile_source );
 	VIPS_UNREF( win->tile_cache );
 	VIPS_FREEF( gtk_widget_unparent, win->right_click_menu );
@@ -1368,8 +1364,6 @@ image_window_init( ImageWindow *win )
 	win->last_progress_time = -1;
 	win->scale_rate = 1.0;
 	win->settings = g_settings_new( APPLICATION_ID );
-	// only need a couple of threads
-	win->threadset = vips_threadset_new( 2 );
 
 	gtk_widget_init_template( GTK_WIDGET( win ) );
 
@@ -1618,8 +1612,3 @@ image_window_get_mouse_position( ImageWindow *win,
 		win->last_x_gtk, win->last_y_gtk, x_image, y_image );
 }
 
-VipsThreadset *
-image_window_get_threadset( ImageWindow *win )
-{
-	return( win->threadset );
-}

src/imagewindow.h

@@ -13,7 +13,6 @@ TileSource *image_window_get_tile_source( ImageWindow *win );
 void image_window_set_tile_source( ImageWindow *win, TileSource *tile_source );
 void image_window_get_mouse_position( ImageWindow *win, 
 	double *image_x, double *image_y );
-VipsThreadset *image_window_get_threadset( ImageWindow *win );
 
 #endif /* __IMAGE_WINDOW_H */
 

src/infobar.c

@@ -215,8 +215,7 @@ infobar_update_pixel( Infobar *infobar )
 		g_object_ref( update->infobar );
 		g_object_ref( update->tile_source );
 
-		if( vips_threadset_run(image_window_get_threadset( win ), "pixel", 
-			infobar_get_pixel, update ) )
+		if( vips_thread_execute( "pixel", infobar_get_pixel, update ) )
 			// if we can't run a bg task, we must free the update
 			infobar_update_free( update );
 	}