function varargout = bif(varargin)
% BIF M-file for bif.fig
%      BIF, by itself, creates a new BIF or raises the existing
%      singleton*.
%
%      H = BIF returns the handle to a new BIF or the handle to
%      the existing singleton*.
%
%      BIF('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in BIF.M with the given input arguments.
%
%      BIF('Property','Value',...) creates a new BIF or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before bif_OpeningFunction gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to bif_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES

% Copyright 2002-2003 The MathWorks, Inc.

% Edit the above text to modify the response to help bif

% Last Modified by GUIDE v2.5 29-Apr-2007 23:19:27

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @bif_OpeningFcn, ...
                   'gui_OutputFcn',  @bif_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end

if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT


% --- Executes just before bif is made visible.
function bif_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to bif (see VARARGIN)

% Choose default command line output for bif
handles.output = hObject;

% Update handles structure
guidata(hObject, handles);

% UIWAIT makes bif wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = bif_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Get default command line output from handles structure
varargout{1} = handles.output;

% Связь события CloseRequestFcn с подфункцией Close
set(handles.output, 'CloseRequestFcn',{@Close,handles})


function Close(hObject,eventdata,handles)% Подфункция обработки события CloseRequestFcn окна приложения

% Вывод модального диалогового окна с подтверждением закрытия
q=questdlg('Закрыть приложение?','!!Информация!!','Да','Нет','Да');
% Проверка выбора пользователя
if strcmp(q,'Да')
    % Пользователь подтвердил закрытие приложения, 
    % удаляем окно приложения
    delete(handles.output)
end

% --- Executes on button press in btnPlot.
function btnPlot_Callback(hObject, eventdata, handles)
% hObject    handle to btnPlot (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global RHSNAME
RHSNAME=get(handles.EdtF,'string')
% the resolution of the image
% 90 x 90 should work in the student version
pres = 900;
xres = 900;
% warmup is the number of iterations to perform 
% before plotting. running is the number of points to 
% really compute.
warmup = 500;
running = 1000;
% pict stores the picture
pict = ones(pres,xres);
% get parameter range:
p0 = str2double(get(handles.EdtP1,'String'))%input('Please enter smallest parameter value -> ');
p1 = str2double(get(handles.EdtP2,'String'))%input('Please enter largest parameter value -> ');

pvec = [p0 : (p1-p0)/(pres-1) : p1];

% get variable range:
x0 = str2double(get(handles.EdtX1,'String'))%input('Please enter smallest x value we should see -> ');
x1 = str2double(get(handles.EdtX2,'String'))%input('Please enter largest x value we should see -> ');

% we start the x's in the middle of the range
x = ones(1,pres)*(x0+x1)/2;

for k=1:warmup
	x = feval(RHSNAME,x,pvec);
end;

for k=1:running
	x = feval(RHSNAME,x,pvec);
	idx = ceil( (xres-1).*(x-x0)./(x1-x0) ) + 1;
	hits = find( (idx>=1) & (idx <= xres));
	
	for i = 1:length(hits)
		pict(hits(i), idx(hits(i)) ) = 2;
	end;
	
end;
image(pict');
colormap([0 0 0; 1 1 1]);
axis('image');
axis('xy');
axis('off');
set(handles.btnClear, 'Enable', 'on')

function EdtP1_Callback(hObject, eventdata, handles)
% hObject    handle to EdtP1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of EdtP1 as text
%        str2double(get(hObject,'String')) returns contents of EdtP1 as a double


% --- Executes during object creation, after setting all properties.
function EdtP1_CreateFcn(hObject, eventdata, handles)
% hObject    handle to EdtP1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function EdtF_Callback(hObject, eventdata, handles)
% hObject    handle to EdtF (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of EdtF as text
%        str2double(get(hObject,'String')) returns contents of EdtF as a double


% --- Executes during object creation, after setting all properties.
function EdtF_CreateFcn(hObject, eventdata, handles)
% hObject    handle to EdtF (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end


% --- Executes on button press in btnF.
function btnF_Callback(hObject, eventdata, handles)
% hObject    handle to btnF (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global RHSNAME
RHSNAME='quadrat'
[flname, pname] = uigetfile('*.*','Выбор имени функции'); % получение имени и пути к файлу
% Проверка, был ли открыт файл
if flname ~= 0
   % Образование полного имени файла
   RHSNAME = strrep(flname,'.m','');
end
set(handles.EdtF,'string',RHSNAME);


% --- Executes on button press in btnClear.
function btnClear_Callback(hObject, eventdata, handles)
% hObject    handle to btnClear (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
cla % очистка осей
% Кнопка Очистить должна стать недоступной после очистки осей
set(hObject, 'Enable', 'off')
% Кнопка Построить должна стать доступной
set(handles.btnPlot, 'Enable', 'on')


function EdtP2_Callback(hObject, eventdata, handles)
% hObject    handle to EdtP2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of EdtP2 as text
%        str2double(get(hObject,'String')) returns contents of EdtP2 as a double


% --- Executes during object creation, after setting all properties.
function EdtP2_CreateFcn(hObject, eventdata, handles)
% hObject    handle to EdtP2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function EdtX1_Callback(hObject, eventdata, handles)
% hObject    handle to EdtX1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of EdtX1 as text
%        str2double(get(hObject,'String')) returns contents of EdtX1 as a double


% --- Executes during object creation, after setting all properties.
function EdtX1_CreateFcn(hObject, eventdata, handles)
% hObject    handle to EdtX1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function EdtX2_Callback(hObject, eventdata, handles)
% hObject    handle to EdtX2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of EdtX2 as text
%        str2double(get(hObject,'String')) returns contents of EdtX2 as a double


% --- Executes during object creation, after setting all properties.
function EdtX2_CreateFcn(hObject, eventdata, handles)
% hObject    handle to EdtX2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end