winwidget.c: Add experimental --scale-down tiling support (#54)

1 files changed, 5 insertions, 0 deletions

diff --git a/src/winwidget.c b/src/winwidget.c
index bc530ee..c678d5b 100644
--- a/src/winwidget.c
+++ b/src/winwidget.c
@@ -381,6 +381,7 @@ void winwidget_render_image(winwidget winwid, int resize, int force_alias)
 	int sx, sy, sw, sh, dx, dy, dw, dh;
 	int calc_w, calc_h;
 	int antialias = 0;
+	int need_center = winwid->had_resize;
 
 	if (!winwid->full_screen && resize) {
 		winwidget_resize(winwid, winwid->im_w, winwid->im_h);
@@ -503,6 +504,10 @@ void winwidget_render_image(winwidget winwid, int resize, int force_alias)
 			winwid->im_y = (int) (max_h - (winwid->im_h * winwid->zoom)) >> 1;
 		}
 	}
+	else if (need_center && !winwid->full_screen && opt.scale_down) {
+		winwid->im_x = (int) (winwid->w - (winwid->im_w * winwid->zoom)) >> 1;
+		winwid->im_y = (int) (winwid->h - (winwid->im_h * winwid->zoom)) >> 1;
+	}
 
 	/* Now we ensure only to render the area we're looking at */
 	dx = winwid->im_x;