OffsetImage.m

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% Funktion
%
%
% Projekt: "Hologrammsoftware 2.0"
%
% Autor: Jan Marx
% Zuletzt bearbeitet: 29.09.2022
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function [image] = OffsetImage(input, x,y,pixelPitch)
 
offset_px_x = int16(abs(round(x/pixelPitch)));
offset_px_y = int16(abs(round(y/pixelPitch)));
image = input;
 
%Fallunterscheidung, auf welcher Seite Nullen ergänzt werden müssen.
if(x<0)
    image = [image(:,offset_px_x+1:end) zeros(size(image,1),offset_px_x)];
elseif(x>0)
    image = [zeros(size(image,1),offset_px_x) image(:,1:end-offset_px_x)];
end
if(y<0)
    image = [image(offset_px_y+1:end,:); zeros(offset_px_y,size(image,2))];
elseif(y>0)
    image = [zeros(offset_px_y,size(image,2)); image(1:end-offset_px_y,:)];
end
end