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/*
* Copyright 2009-2010 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
* Copyright 2008 Long Huynh Huu <long.upcase@googlemail.com>
* Copyright 2007 Matthew Woehlke <mw_triad@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "tileset.h"
//---------------------------------------------------------
// initPixmap
//---------------------------------------------------------
void TileSet::initPixmap( PixmapList& pixmaps, const QPixmap& pix, int w, int h, const QRect& rect) {
QSize size( w, h );
if (!size.isValid()) {
pixmaps.push_back(QPixmap());
}
else if (size != rect.size()) {
const QPixmap tile(pix.copy(rect));
QPixmap pixmap(w, h);
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
p.drawTiledPixmap(QRect(0, 0, w, h), tile);
pixmaps.push_back( pixmap );
}
else
pixmaps.push_back(pix.copy(rect));
}
//---------------------------------------------------------
// TileSet
//---------------------------------------------------------
TileSet::TileSet()
: _w1(0), _h1(0), _w3(0), _h3(0) {
_pixmaps.reserve(9);
}
TileSet::TileSet(const QPixmap& pix, int w1, int h1, int w2, int h2)
: _w1(w1), _h1(h1), _w3(0), _h3(0) {
_pixmaps.reserve(9);
if (pix.isNull())
return;
_w3 = pix.width() - (w1 + w2);
_h3 = pix.height() - (h1 + h2);
int w = w2;
while (w < 32 && w2 > 0)
w += w2;
int h = h2;
while (h < 32 && h2 > 0)
h += h2;
// initialise pixmap array
initPixmap(_pixmaps, pix, _w1, _h1, QRect(0, 0, _w1, _h1));
initPixmap(_pixmaps, pix, w, _h1, QRect(_w1, 0, w2, _h1));
initPixmap(_pixmaps, pix, _w3, _h1, QRect(_w1 + w2, 0, _w3, _h1));
initPixmap(_pixmaps, pix, _w1, h, QRect(0, _h1, _w1, h2));
initPixmap(_pixmaps, pix, w, h, QRect(_w1, _h1, w2, h2));
initPixmap(_pixmaps, pix, _w3, h, QRect(_w1 + w2, _h1, _w3, h2));
initPixmap(_pixmaps, pix, _w1, _h3, QRect(0, _h1 + h2, _w1, _h3));
initPixmap(_pixmaps, pix, w, _h3, QRect(_w1, _h1 + h2, w2, _h3));
initPixmap(_pixmaps, pix, _w3, _h3, QRect(_w1 + w2, _h1 + h2, _w3, _h3));
}
TileSet::TileSet(const QPixmap& pix, int w1, int h1, int w3, int h3, int x1, int y1, int w2, int h2)
: _w1(w1), _h1(h1), _w3(w3), _h3(h3) {
_pixmaps.reserve(9);
if (pix.isNull())
return;
int x2 = pix.width() - _w3;
int y2 = pix.height() - _h3;
int w = w2;
while (w < 32 && w2 > 0) w += w2;
int h = h2;
while (h < 32 && h2 > 0) h += h2;
// initialise pixmap array
initPixmap(_pixmaps, pix, _w1, _h1, QRect(0, 0, _w1, _h1));
initPixmap(_pixmaps, pix, w, _h1, QRect(x1, 0, w2, _h1));
initPixmap(_pixmaps, pix, _w3, _h1, QRect(x2, 0, _w3, _h1));
initPixmap(_pixmaps, pix, _w1, h, QRect(0, y1, _w1, h2));
initPixmap(_pixmaps, pix, w, h, QRect(x1, y1, w2, h2));
initPixmap(_pixmaps, pix, _w3, h, QRect(x2, y1, _w3, h2));
initPixmap(_pixmaps, pix, _w1, _h3, QRect(0, y2, _w1, _h3));
initPixmap(_pixmaps, pix, w, _h3, QRect(x1, y2, w2, _h3));
initPixmap(_pixmaps, pix, _w3, _h3, QRect(x2, y2, _w3, _h3));
}
//---------------------------------------------------------
// bits
//---------------------------------------------------------
inline bool bits(TileSet::Tiles flags, TileSet::Tiles testFlags) {
return (flags & testFlags) == testFlags;
}
//---------------------------------------------------------
// render
//---------------------------------------------------------
void TileSet::render(const QRect& r, QPainter* p, Tiles t) const
{
// check initialization
if (_pixmaps.size() < 9)
return;
int x0, y0, w, h;
r.getRect(&x0, &y0, &w, &h);
// calculate pixmaps widths
int wLeft(0);
int wRight(0);
if (_w1 + _w3 > 0) {
qreal wRatio(qreal(_w1) / qreal(_w1 + _w3));
wLeft = (t & Right) ? qMin(_w1, int(w * wRatio)) : _w1;
wRight = (t & Left) ? qMin(_w3, int(w * (1.0 - wRatio))) : _w3;
}
// calculate pixmap heights
int hTop(0);
int hBottom(0);
if (_h1 + _h3 > 0) {
qreal hRatio( qreal( _h1 ) / qreal( _h1 + _h3 ) );
hTop = (t & Bottom) ? qMin( _h1, int(h * hRatio) ) : _h1;
hBottom = (t & Top) ? qMin( _h3, int(h * (1.0 - hRatio)) ) : _h3;
}
// calculate corner locations
w -= wLeft + wRight;
h -= hTop + hBottom;
int x1 = x0 + wLeft;
int x2 = x1 + w;
int y1 = y0 + hTop;
int y2 = y1 + h;
// corner
if (bits(t, Top | Left))
p->drawPixmap(x0, y0, _pixmaps.at(0), 0, 0, wLeft, hTop);
if (bits(t, Top | Right))
p->drawPixmap(x2, y0, _pixmaps.at(2), _w3 - wRight, 0, wRight, hTop);
if (bits(t, Bottom | Left))
p->drawPixmap(x0, y2, _pixmaps.at(6), 0, _h3 - hBottom, wLeft, hBottom);
if (bits(t, Bottom | Right))
p->drawPixmap(x2, y2, _pixmaps.at(8), _w3 - wRight, _h3 - hBottom, wRight, hBottom);
// top and bottom
if (w > 0) {
if (t & Top)
p->drawTiledPixmap(x1, y0, w, hTop, _pixmaps.at(1));
if (t & Bottom)
p->drawTiledPixmap(x1, y2, w, hBottom, _pixmaps.at(7), 0, _h3 - hBottom);
}
// left and right
if (h > 0) {
if (t & Left)
p->drawTiledPixmap(x0, y1, wLeft, h, _pixmaps.at(3));
if (t & Right)
p->drawTiledPixmap(x2, y1, wRight, h, _pixmaps.at(5), _w3 - wRight, 0);
}
// center
if ((t & Center) && h > 0 && w > 0)
p->drawTiledPixmap(x1, y1, w, h, _pixmaps.at(4));
}
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