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161 lines (142 loc) · 3.01 KB
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/*
* Copyright 2010 Daniel Albano
*
* This file is part of OpenXcom.
*
* OpenXcom is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenXcom is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Bar.h"
#include <cmath>
#include "SDL.h"
/**
* Sets up a blank bar with the specified size and position.
* @param width Width in pixels.
* @param height Height in pixels.
* @param x X position in pixels.
* @param y Y position in pixels.
*/
Bar::Bar(int width, int height, int x, int y) : Surface(width, height, x, y), _color(0), _scale(0), _max(0), _value(0), _invert(false)
{
}
/**
*
*/
Bar::~Bar()
{
}
/**
* Changes the color used to draw the border and contents.
* @param color Color value.
*/
void Bar::setColor(Uint8 color)
{
_color = color;
draw();
}
/**
* Returns the color used to draw the bar.
* @return Color value.
*/
Uint8 Bar::getColor()
{
return _color;
}
/**
* Changes the scale factor used to draw the bar values.
* @param scale Scale in pixels/unit.
*/
void Bar::setScale(double scale)
{
_scale = scale;
draw();
}
/**
* Returns the scale factor used to draw the bar values.
* @return Scale in pixels/unit.
*/
double Bar::getScale()
{
return _scale;
}
/**
* Changes the maximum value used to draw the outer border.
* @param max Maximum value.
*/
void Bar::setMax(double max)
{
_max = max;
draw();
}
/**
* Returns the maximum value used to draw the outer border.
* @return Maximum value.
*/
double Bar::getMax()
{
return _max;
}
/**
* Changes the value used to draw the inner contents.
* @param value Current value.
*/
void Bar::setValue(double value)
{
_value = value;
draw();
}
/**
* Returns the value used to draw the inner contents.
* @return Current value.
*/
double Bar::getValue()
{
return _value;
}
/**
* Enables/disables color inverting. Some bars have
* darker borders and others have lighter borders.
* @param invert Invert setting.
*/
void Bar::setInvert(bool invert)
{
_invert = invert;
draw();
}
/**
* Draws the bordered bar filled according
* to its values.
*/
void Bar::draw()
{
clear();
SDL_Rect square;
square.x = 0;
square.y = 0;
square.w = (Uint16)(_scale * _max) + 2;
square.h = _height;
if (_invert)
SDL_FillRect(_surface, &square, _color);
else
SDL_FillRect(_surface, &square, _color + 4);
square.x++;
square.y++;
square.w -= 2;
square.h -= 2;
SDL_FillRect(_surface, &square, 0);
square.w = (Uint16)(_scale * _value);
if (_invert)
SDL_FillRect(_surface, &square, _color + 4);
else
SDL_FillRect(_surface, &square, _color);
}