Improve screen spy efficiency with DXGI

BmpDifference.m

@@ -0,0 +1,28 @@
+% 计算客户端和服务端的位图差异
+% MATLAB 8.1.0.604 (R2013a)
+clear all;clc;
+folder1=[pwd, '/client/bmp/']; % 客户端位图目录
+folder2=[pwd, '/server/2015Remote/bmp/']; % 服务端位图目录
+
+num1=numel(dir(fullfile(folder1, '*.bmp')));
+disp([folder1, ' BMP file count: ', num2str(num1)]);
+num2=numel(dir(fullfile(folder2, '*.bmp')));
+disp([folder2, ' BMP file count: ', num2str(num2)]);
+num = min(num1, num2);
+missing = 0;
+for i=1:num
+    file1 = sprintf('%sGHOST_%d.bmp', folder1, i);
+    file2 = sprintf('%sYAMA_%d.bmp', folder2, i);
+    if exist(file2, 'file') == 2
+        img1 = imread(file1);
+        img2 = imread(file2);
+        diff=double(img1)-double(img2);
+        s = sum(diff(:));
+        fprintf('BMP [%d] difference: %g\n', i, s);
+    else
+        fprintf('BMP [%d] difference: MISSING\n', i);
+        missing = missing + 1;
+    end
+end
+
+disp(missing);