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on 30 Nov 2023
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drawframe(1);
Write your drawframe function below
function drawframe(f)
persistent A X cmap;
if f==1
text(0.5,0.5,sprintf('Error 404\nNot Found'),'Fontsize',30,'FontWeight','bold','HorizontalAlignment','center','VerticalAlignment','middle','color','g');
axis([0 1 0 1]);
axis equal off;
set(gcf,'color','k');
a = getframe(gcf);
%set(gcf,'color','w');
a = imresize(a.cdata,0.5,"bicubic","Antialiasing",true);
[X,cmap] = rgb2ind(a,256,"dither");
A = X;
end
Npixels = round(2.^randi([0,3],1,1).*5.^randi([0,2],1,1));
x = zeros(size(A,1),1);
x(1:Npixels) = randi([0,10],1,1);
MaxMove = randi([1,Npixels],1,1);
for i=1:size(A,1)/Npixels
x(i*Npixels + (1:Npixels)) = x((i-1)*Npixels + (1:Npixels))+randi([-1,1]*MaxMove,1,1);
end
for i=1:size(A,1)
A(i,:,1) = circshift(X(i,:),x(i),2);
end
imagesc(A); colormap(circshift(cmap,randi([0 20],1,1),1)); set(gca,'units','normalized','position',[0 0 1 1]); axis equal off;
end
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