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/* Copyright (C) 2015 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "GUI.h"
#include "ps/CLogger.h"
CClientArea::CClientArea() : pixel(0.f,0.f,0.f,0.f), percent(0.f,0.f,0.f,0.f)
{
}
CClientArea::CClientArea(const CStr& Value)
{
SetClientArea(Value);
}
CClientArea::CClientArea(const CRect& pixel, const CRect& percent)
: pixel(pixel), percent(percent)
{
}
CRect CClientArea::GetClientArea(const CRect& parent) const
{
// If it's a 0 0 100% 100% we need no calculations
if (percent == CRect(0.f,0.f,100.f,100.f) && pixel == CRect(0.f,0.f,0.f,0.f))
return parent;
CRect client;
// This should probably be cached and not calculated all the time for every object.
client.left = parent.left + (parent.right-parent.left)*percent.left/100.f + pixel.left;
client.top = parent.top + (parent.bottom-parent.top)*percent.top/100.f + pixel.top;
client.right = parent.left + (parent.right-parent.left)*percent.right/100.f + pixel.right;
client.bottom = parent.top + (parent.bottom-parent.top)*percent.bottom/100.f + pixel.bottom;
return client;
}
bool CClientArea::SetClientArea(const CStr& Value)
{
/* ClientAreas contain a left, top, right, and bottom
* for example: "50%-150 10%+9 50%+150 10%+25" means
* the left edge is at 50% minus 150 pixels, the top
* edge is at 10% plus 9 pixels, the right edge is at
* 50% plus 150 pixels, and the bottom edge is at 10%
* plus 25 pixels.
* All four coordinates are required and can be
* defined only in pixels, only in percents, or some
* combination of both.
*/
// Check the input is only numeric
const char* input = Value.c_str();
CStr buffer = "";
unsigned int coord = 0;
float pixels[4] = {0, 0, 0, 0};
float percents[4] = {0, 0, 0, 0};
for (unsigned int i = 0; i < Value.length(); ++i)
{
switch (input[i])
{
case '.':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
buffer.push_back(input[i]);
break;
case '+':
pixels[coord] += buffer.ToFloat();
buffer = "+";
break;
case '-':
pixels[coord] += buffer.ToFloat();
buffer = "-";
break;
case '%':
percents[coord] += buffer.ToFloat();
buffer = "";
break;
case ' ':
pixels[coord] += buffer.ToFloat();
buffer = "";
++coord;
break;
default:
LOGWARNING("ClientArea definitions may only contain numerics. Your input: '%s'", Value.c_str());
return false;
}
if (coord > 3)
{
LOGWARNING("Too many CClientArea parameters (4 max). Your input: '%s'", Value.c_str());
return false;
}
}
if (coord < 3)
{
LOGWARNING("Too few CClientArea parameters (4 min). Your input: '%s'", Value.c_str());
return false;
}
// Now that we're at the end of the string, flush the remaining buffer.
pixels[coord] += buffer.ToFloat();
// Now store the coords in the right place
pixel.left = pixels[0];
pixel.top = pixels[1];
pixel.right = pixels[2];
pixel.bottom = pixels[3];
percent.left = percents[0];
percent.top = percents[1];
percent.right = percents[2];
percent.bottom = percents[3];
return true;
}
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