Feature partnering algorithm (of sorts)

git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@177 bf6ca9ba-c028-0410-8290-897cf20841d1

1 files changed, 24 insertions, 2 deletions

diff --git a/src/imagedisplay.c b/src/imagedisplay.c
index c2f2fbe..c70d8a8 100644
--- a/src/imagedisplay.c
+++ b/src/imagedisplay.c
@@ -119,7 +119,7 @@ void imagedisplay_put_data(ImageDisplay *imagedisplay, ImageRecord imagerecord)
 
 }
 
-void imagedisplay_clear_circles(ImageDisplay *imagedisplay) {
+void imagedisplay_clear_marks(ImageDisplay *imagedisplay) {
 	
 	ImageDisplayMark *cur;
 	
@@ -135,7 +135,7 @@ void imagedisplay_clear_circles(ImageDisplay *imagedisplay) {
 
 static void imagedisplay_destroyed(GtkWidget *widget, ImageDisplay *imagedisplay) {
 
-	imagedisplay_clear_circles(imagedisplay);
+	imagedisplay_clear_marks(imagedisplay);
 	
 	if ( imagedisplay->flags & IMAGEDISPLAY_QUIT_IF_CLOSED ) {
 		gtk_exit(0);
@@ -333,6 +333,28 @@ void imagedisplay_add_mark(ImageDisplay *imagedisplay, double x, double y, Image
 
 }
 
+void imagedisplay_add_line(ImageDisplay *imagedisplay, double x1, double y1, double x2, double y2, ImageDisplayMarkType type) {
+
+	ImageDisplayMark *new;
+	
+	new = malloc(sizeof(ImageDisplayMark));
+	new->x = x1;  new->y = y1;
+	new->x2 = x2;  new->y2 = y2;
+	new->type = type;
+	new->next = NULL;
+	
+	if ( !imagedisplay->marks ) {
+		imagedisplay->marks = new;
+	} else {
+		ImageDisplayMark *cur = imagedisplay->marks;
+		while ( cur->next ) {
+			cur = cur->next;
+		}
+		cur->next = new;
+	}
+
+}
+
 void imagedisplay_force_redraw(ImageDisplay *imagedisplay) {
 	imagedisplay_rescale(imagedisplay, imagedisplay->drawingarea_width, imagedisplay->drawingarea_height);
 	gtk_widget_queue_draw_area(imagedisplay->drawingarea, 0, 0, imagedisplay->drawingarea_width, imagedisplay->drawingarea_height);