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add VectorImageView interface with some implementations
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‎ImageM/+imagem/+util/+vectorImage/VectorImageMaxChannel.m‎

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classdef VectorImageMaxChannel < imagem.util.vectorImage.VectorImageView
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% One-line description here, please.
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%
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% Class VectorImageMaxChannel
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%
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% Example
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% VectorImageMaxChannel
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%
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% See also
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%
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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%% Properties
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properties
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end % end properties
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%% Constructor
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methods
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function obj = VectorImageMaxChannel(varargin)
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% Constructor for VectorImageMaxChannel class.
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end
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end % end constructors
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%% Implementation of VectorImageView
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methods
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function res = convert(obj, img) %#ok<INUSL>
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data = max(img.Data, [], 4);
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res = Image('Data', data, 'Parent', img);
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end
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end % end methods
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end % end classdef
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‎ImageM/+imagem/+util/+vectorImage/VectorImageNorm.m‎

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classdef VectorImageNorm < imagem.util.vectorImage.VectorImageView
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% One-line description here, please.
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%
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% Class VectorImageNorm
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%
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% Example
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% VectorImageNorm
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%
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% See also
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%
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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%% Properties
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properties
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end % end properties
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%% Constructor
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methods
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function obj = VectorImageNorm(varargin)
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% Constructor for VectorImageNorm class.
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end
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end % end constructors
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%% Implementation of VectorImageView
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methods
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function res = convert(obj, img) %#ok<INUSL>
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res = norm(img);
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end
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end % end methods
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end % end classdef
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‎ImageM/+imagem/+util/+vectorImage/VectorImageSingleChannel.m‎

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classdef VectorImageSingleChannel < imagem.util.vectorImage.VectorImageView
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% One-line description here, please.
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%
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% Class VectorImageSingleChannel
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%
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% Example
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% VectorImageSingleChannel
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%
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% See also
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%
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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%% Properties
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properties
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ChannelIndex = 1;
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end % end properties
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%% Constructor
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methods
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function obj = VectorImageSingleChannel(varargin)
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% Constructor for VectorImageSingleChannel class.
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if ~isempty(varargin)
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obj.ChannelIndex = varargin{1};
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end
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end
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end % end constructors
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%% Implementation of VectorImageView
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methods
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function res = convert(obj, img)
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data = img.Data(:,:,:, obj.ChannelIndex,:);
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res = Image('Data', data, 'Parent', img);
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end
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end % end methods
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end % end classdef
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‎ImageM/+imagem/+util/+vectorImage/VectorImageView.m‎

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classdef VectorImageView < handle
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% An interface for representing a multi-channel image as scalar or RGB.
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%
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% Class VectorImageView
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%
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% Example
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% VectorImageView
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%
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% See also
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%
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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%% Properties
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properties
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end % end properties
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%% Constructor
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methods
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function obj = VectorImageView(varargin)
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% Constructor for VectorImageView class.
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end
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end % end constructors
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%% Methods
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methods (Abstract)
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res = convert(obj, img);
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end % end methods
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end % end classdef
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‎tests/imagem/util/vectorImage/test_VectorImageMaxChannel.m‎

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function tests = test_VectorImageMaxChannel
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% Test suite for the file VectorImageMaxChannel.
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%
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% Test suite for the file VectorImageMaxChannel
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%
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% Example
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% test_VectorImageMaxChannel
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%
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% See also
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% VectorImageMaxChannel
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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tests = functiontests(localfunctions);
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function test_constructor(testCase) %#ok<*DEFNU>
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% Test call of function without argument.
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view = imagem.util.vectorImage.VectorImageMaxChannel();
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assertTrue(testCase, isa(view, 'imagem.util.vectorImage.VectorImageMaxChannel'));
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function test_convert(testCase) %#ok<*DEFNU>
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% Test call of function without argument.
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data = 3 * ones([30 20 4]);
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img = Image('Data', data, 'vector', true);
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view = imagem.util.vectorImage.VectorImageMaxChannel();
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res = convert(view, img);
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assertTrue(testCase, isa(res, 'Image'));
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assertEqual(testCase, size(res), size(img));
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assertEqual(testCase, res.Data(1,1), 3.0, 'AbsTol', .01);
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‎tests/imagem/util/vectorImage/test_VectorImageNorm.m‎

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function tests = test_VectorImageNorm
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% Test suite for the file VectorImageNorm.
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%
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% Test suite for the file VectorImageNorm
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%
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% Example
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% test_VectorImageNorm
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%
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% See also
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% VectorImageNorm
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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tests = functiontests(localfunctions);
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function test_constructor(testCase) %#ok<*DEFNU>
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% Test call of function without argument.
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view = imagem.util.vectorImage.VectorImageNorm();
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assertTrue(testCase, isa(view, 'imagem.util.vectorImage.VectorImageNorm'));
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function test_convert(testCase) %#ok<*DEFNU>
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% Test call of function without argument.
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data = 3 * ones([30 20 4]);
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img = Image('Data', data, 'vector', true);
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view = imagem.util.vectorImage.VectorImageNorm();
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res = convert(view, img);
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assertTrue(testCase, isa(res, 'Image'));
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assertEqual(testCase, size(res), size(img));
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assertEqual(testCase, res.Data(1,1), 6.0, 'AbsTol', .01);
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‎tests/imagem/util/vectorImage/test_VectorImageSingleChannel.m‎

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function tests = test_VectorImageSingleChannel
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% Test suite for the file VectorImageSingleChannel.
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%
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% Test suite for the file VectorImageSingleChannel
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%
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% Example
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% test_VectorImageSingleChannel
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%
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% See also
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% VectorImageSingleChannel
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% ------
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% Author: David Legland
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% e-mail: [email protected]
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% Created: 2021-01-04, using Matlab 9.8.0.1323502 (R2020a)
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% Copyright 2021 INRAE - BIA-BIBS.
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tests = functiontests(localfunctions);
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function test_constructor(testCase) %#ok<*DEFNU>
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% Test call of function without argument.
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view = imagem.util.vectorImage.VectorImageSingleChannel();
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assertTrue(testCase, isa(view, 'imagem.util.vectorImage.VectorImageSingleChannel'));
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function test_convert(testCase) %#ok<*DEFNU>
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% Test call of function without argument.
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data = 3 * ones([30 20 4]);
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img = Image('Data', data, 'vector', true);
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view = imagem.util.vectorImage.VectorImageSingleChannel();
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res = convert(view, img);
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assertTrue(testCase, isa(res, 'Image'));
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assertEqual(testCase, size(res), size(img));
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assertEqual(testCase, res.Data(1,1), 3.0, 'AbsTol', .01);
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