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%PROJECTOR Matlab wrapper class for the Projector C++ class.

% Creates a fullscreen OpenGL context for the screen specified for fast

% texture or pattern projection.

%

% Jakob Wilm, DTU 2013

classdef Projector < handle

    properties (SetAccess = private, Hidden = true)

        objectHandle; % Handle to the underlying C++ class instance

    end

    methods (Static = true)

        function varargout = GetScreenInfo

            [varargout{1:nargout}] = ProjectorMex('GetScreenInfo');

        end

    end

    methods

        % Constructor - Create a new C++ class instance 

        function this = Projector(screenNum)

            this.objectHandle = ProjectorMex('new', screenNum);

        end

        % Destructor - Destroy the C++ class instance

        function delete(this)

            ProjectorMex('delete', this.objectHandle);

        end

        % displayTexture

        function varargout = displayTexture(this, texture)

            % check input

            if(size(texture,3) ~= 3 || ~isa(texture, 'uint8'))

                error('Input must be [r x c x 3] of type uint8');

            end

            height = size(texture, 1);

            width = size(texture, 2);

            % swivel data to match RMO OpenGL format

            texture = permute(texture, [3 2 1]);

            [varargout{1:nargout}] = ProjectorMex('displayTexture', this.objectHandle, texture, width, height);

        end

        % displayWhite

        function varargout = displayWhite(this)

            [varargout{1:nargout}] = ProjectorMex('displayWhite', this.objectHandle);

        end

        % displayBlack

        function varargout = displayBlack(this)

            [varargout{1:nargout}] = ProjectorMex('displayBlack', this.objectHandle);

        end

        % setGamma

        function varargout = SetGamma(this, gamma)

            [varargout{1:nargout}] = ProjectorMex('SetGamma', this.objectHandle, gamma);

        end

    end

end