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