cvLabMATLAB/cvtShow10Images.m at main · ComputerVisionLaboratory/cvLabMATLAB · GitHub

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function cvtShow10Images ( images, option, cond, button, N)
%% cvtShowImages: Show images
% Input
%   images: Image matrix [height x width x numPic]
%   cond: Condition about color map
%   button: Condition about being able to click image to go to next or previous image
%
%   If you quit to show , input "q"

	figure;
	set(gcf,'CurrentCharacter','@');
	if ~exist('frameRate', 'var')
        frameRate = 30;
    end
	if ~exist('options', 'var')
        option = 'gray';
    end
	if ~exist('cond', 'var')
		cond = 0;
	end
	if ~exist('button', 'var')
		button = 0;
	end


	if strcmp(option, 'gray')

		[height, width, numPic] = size(images);
		if ndims(images) ~= 3
			images = reshape(images, height, width, numPic);
		end
		index = numPic:-1:1;
		index = circshift(index, N);
		tmpIndex = flip(index(1:N));
		i = 1;
		finish=false;
		if cond == true
			colormap('gray')
		end

		while ~finish
			fprintf('Frame : %d\r', i);

			for j = 1:N
				subplot(1, N, j);
				imagesc(real(images(:, :, tmpIndex(j))));
			end

			drawnow;
			if button == true
				time = waitforbuttonpress;
				if i <= numPic

					if time == 1
						index = circshift(index, 1);
						tmpIndex = flip(index(1:N));
						i = i + 1;
					else
						index = circshift(index, -1);
						tmpIndex = flip(index(1:N));
						i = i - 1;
					end
					if i == 0
						i = numPic;
					end
					if i == numPic+1
						i = 1;
					end
				end
			else
				i = i + 1;
				if i == numPic+1
					i = 1;
				end
				index = circshift(index, 1);
				tmpIndex = flip(index(1:N));
			end

			k=get(gcf,'CurrentCharacter');
			if k~='@' % has it changed from the dummy character?
				set(gcf,'CurrentCharacter','@'); % reset the character
				% now process the key as required
				if k=='q'
					finish=true;
				end
			end
		end
	elseif strcmp(option, 'color')
		[height, width, ~, numPic] = size(images);
		if ndims(images) ~= 4
			images = reshape(images, height, width, 3, []);
		end
		numPic = size(images, 4);

		index = numPic:-1:1;
		index = circshift(index, N);
		tmpIndex = flip(index(1:N));

		i = 1;
		finish=false;
		if cond == true
			colormap('gray')
		end

		while ~finish

			fprintf('Frame : %d\r', i);
			for j = 1:N
				subplot(1, N, j);
				imagesc(real(images(:, :, tmpIndex(j))));
			end
			drawnow;
			if button == true
				time = waitforbuttonpress;
				if i <= numPic
					if time == 1
						index = circshift(index, 1);
						tmpIndex = flip(index(1:N));
						i = i + 1;
					else
						index = circshift(index, -1);
						tmpIndex = flip(index(1:N));
						i = i - 1;
					end
					if i == 0
						i = numPic;
					end
					if i == numPic+1
						i = 1;
					end
				end
			else
				i = i + 1;
				if i == numPic+1
					i = 1;
				end
				index = circshift(index, 1);
				tmpIndex = flip(index(1:N));
			end

			k=get(gcf,'CurrentCharacter');
			if k~='@' % has it changed from the dummy character?
				set(gcf,'CurrentCharacter','@'); % reset the character
				% now process the key as required
				if k=='q'
					finish=true;
				end
			end
		end
	end

end