From 1a443ce35e96fb39ca0a152a38e35adb7e655ca2 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Tue, 22 Feb 2011 00:04:47 -0800
Subject: Get rid of show_marked_features() in render.c, and use Cairo in
 displaywindow instead

---
 src/displaywindow.c | 41 +++++++++++++++++++++++++++++++++++++++--
 src/render.c        | 44 --------------------------------------------
 2 files changed, 39 insertions(+), 46 deletions(-)

diff --git a/src/displaywindow.c b/src/displaywindow.c
index 03dabe94..4120e3b4 100644
--- a/src/displaywindow.c
+++ b/src/displaywindow.c
@@ -107,6 +107,7 @@ static gboolean displaywindow_expose(GtkWidget *da, GdkEventExpose *event,
 				     DisplayWindow *dw)
 {
 	cairo_t *cr;
+	int i;
 
 	cr = gdk_cairo_create(da->window);
 
@@ -116,8 +117,6 @@ static gboolean displaywindow_expose(GtkWidget *da, GdkEventExpose *event,
 	cairo_set_source_rgb(cr, 0.0, 0.0, 1.0);
 	cairo_fill(cr);
 
-	cairo_destroy(cr);
-
 	if ( dw->pixbuf != NULL ) {
 		gdk_draw_pixbuf(da->window,
 				da->style->bg_gc[GTK_WIDGET_STATE(da)],
@@ -134,6 +133,44 @@ static gboolean displaywindow_expose(GtkWidget *da, GdkEventExpose *event,
 				GDK_RGB_DITHER_NONE, 0, 0);
 	}
 
+	if ( dw->image->features == NULL ) return FALSE;
+
+	for ( i=0; i<image_feature_count(dw->image->features); i++ ) {
+
+		double x, y;
+		struct imagefeature *f;
+
+		f = image_get_feature(dw->image->features, i);
+		if ( f == NULL ) continue;
+
+		x = f->x / (double)dw->binning;
+		y = dw->height - f->y / (double)dw->binning;
+
+		cairo_new_path(cr);
+		cairo_arc(cr, x, y, 7.0/dw->binning, 0.0, 2.0*M_PI);
+		switch ( dw->scale ) {
+
+			case SCALE_COLOUR :
+			cairo_set_source_rgb(cr, 1.0, 1.0, 0.0);
+			break;
+
+			case SCALE_MONO :
+			cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
+			break;
+
+			case SCALE_INVMONO:
+			cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
+			break;
+
+		}
+
+		cairo_set_line_width(cr, 0.75);
+		cairo_stroke(cr);
+
+	}
+
+	cairo_destroy(cr);
+
 	return FALSE;
 }
 
diff --git a/src/render.c b/src/render.c
index 10dd9f10..231225f2 100644
--- a/src/render.c
+++ b/src/render.c
@@ -193,48 +193,6 @@ static void render_free_data(guchar *data, gpointer p)
 }
 
 
-/* FIXME: This doesn't belong here at all */
-static void show_marked_features(struct image *image, guchar *data,
-                                 int w, int h, int binning)
-{
-	int i;
-	float r = 10.0/binning;
-
-	if ( image->features == NULL ) return;
-
-	for ( i=0; i<image_feature_count(image->features); i++ ) {
-
-		struct imagefeature *f;
-		float x, y;
-		double th;
-
-		f = image_get_feature(image->features, i);
-		if ( f == NULL ) continue;
-
-		x = f->x / (float)binning;
-		y = f->y / (float)binning;
-
-		for ( th=0; th<2*M_PI; th+=M_PI/40.0 ) {
-
-			int nx, ny;
-
-			nx = x + r*cos(th);
-			ny = y + r*sin(th);
-
-			if ( nx < 0 ) continue;
-			if ( ny < 0 ) continue;
-			if ( nx >= w ) continue;
-			if ( ny >= h ) continue;
-
-			data[3*( nx+w*(h-1-ny) )+0] = 128;
-			data[3*( nx+w*(h-1-ny) )+1] = 128;
-			data[3*( nx+w*(h-1-ny) )+2] = 30;
-
-		}
-	}
-}
-
-
 /* Return a pixbuf containing a rendered version of the image after binning.
  * This pixbuf might be scaled later - hopefully mostly in a downward
  * direction. */
@@ -287,8 +245,6 @@ GdkPixbuf *render_get_image(struct image *image, int binning, int scale,
 	}
 	}
 
-	show_marked_features(image, data, w, h, binning);
-
 	/* Finished with this */
 	free(hdr);
 
-- 
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