From f618466c25d43f3bae9e40920273bf77de1e1149 Mon Sep 17 00:00:00 2001
From: leochanj105 <leochanj@live.unc.edu>
Date: Mon, 19 Oct 2020 23:09:30 -0400
Subject: initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs
---
 .../texture_synthesis/src/matlab/pixelAxes.m       | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 SD-VBS/benchmarks/texture_synthesis/src/matlab/pixelAxes.m

(limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/pixelAxes.m')

diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/pixelAxes.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/pixelAxes.m
new file mode 100755
index 0000000..f88210d
--- /dev/null
+++ b/SD-VBS/benchmarks/texture_synthesis/src/matlab/pixelAxes.m
@@ -0,0 +1,70 @@
+% [ZOOM] = pixelAxes(DIMS, ZOOM)
+%
+% Set the axes of the current plot to cover a multiple of DIMS pixels,
+% thereby eliminating screen aliasing artifacts when displaying an
+% image of size DIMS.  
+% 
+% ZOOM (optional, default='same') expresses the desired number of
+% samples displayed per screen pixel.  It should be a scalar, which
+% will be rounded to the nearest integer, or 1 over an integer.  It
+% may also be the string 'same' or 'auto', in which case the value is chosen so
+% as to produce an image closest in size to the currently displayed
+% image.  It may also be the string 'full', in which case the image is
+% made as large as possible while still fitting in the window.
+
+% Eero Simoncelli, 2/97.
+
+function [zoom] = pixelAxes(dims, zoom)
+
+%------------------------------------------------------------
+%% OPTIONAL ARGS:
+
+if (exist('zoom') ~= 1)
+  zoom = 'same';
+end
+
+%% Reverse  dimension order, since Figure Positions reported as (x,y).
+dims = dims(2:-1:1);
+
+%% Use MatLab's axis function to force square pixels, etc:
+axis('image');
+ax = gca;
+
+oldunits = get(ax,'Units');
+
+if strcmp(zoom,'full');
+  set(ax,'Units','normalized');
+  set(ax,'Position',[0 0 1 1]);
+  zoom = 'same';
+end
+
+set(ax,'Units','pixels');
+pos = get(ax,'Position');
+ctr = pos(1:2)+pos(3:4)/2;
+
+if (strcmp(zoom,'same') | strcmp(zoom,'auto'))
+  %% HACK: enlarge slightly so that floor doesn't round down 
+  zoom = min( pos(3:4) ./ (dims - 1) );
+elseif isstr(zoom)
+  error(sprintf('Bad ZOOM argument: %s',zoom));
+end
+
+%% Force zoom value to be an integer, or inverse integer.
+if (zoom < 0.75)
+  zoom = 1/ceil(1/zoom);
+  %% Round upward, subtracting 0.5 to avoid floating point errors.
+  newsz = ceil(zoom*(dims-0.5));
+else
+  zoom = floor(zoom + 0.001);		% Avoid floating pt errors
+  if (zoom < 1.5)			% zoom=1
+    zoom = 1;
+    newsz = dims + 0.5;
+  else
+    newsz = zoom*(dims-1) + mod(zoom,2);
+  end
+end 
+
+set(ax,'Position', [floor(ctr-newsz/2)+0.5, newsz] )
+
+% Restore units
+set(ax,'Units',oldunits);
-- 
cgit v1.2.2