runtime/kstyles/oxygen/tileset.cpp

   1 /*
   2  * Copyright 2008 Long Huynh Huu <long.upcase@googlemail.com>
   3  * Copyright 2007 Matthew Woehlke <mw_triad@users.sourceforge.net>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License version 2 as published by the Free Software Foundation.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public License
  15  * along with this library; see the file COPYING.LIB.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include <QtGui/QPainter>
  21
  22 #include "tileset.h"
  23
  24 void TileSet::initPixmap(int s, const QPixmap &pix, int w, int h, const QRect &region)
  25 {
  26     if (w != region.width() || h != region.height()) {
  27         QPixmap tile = pix.copy(region);
  28         _pixmap[s] = QPixmap(w, h);
  29         _pixmap[s].fill(QColor(0,0,0,0));
  30         QPainter p(&_pixmap[s]);
  31         p.drawTiledPixmap(0, 0, w, h, tile);
  32     }
  33     else {
  34         _pixmap[s] = pix.copy(region);
  35     }
  36 }
  37
  38 TileSet::TileSet(const QPixmap &pix, int w1, int h1, int w2, int h2)
  39     : _w1(w1), _h1(h1)
  40 {
  41     if (pix.isNull())
  42         return;
  43
  44     _w3 = pix.width() - (w1 + w2);
  45     _h3 = pix.height() - (h1 + h2);
  46     int w = w2; while (w < 32 && w2 > 0) w += w2;
  47     int h = h2; while (h < 32 && h2 > 0) h += h2;
  48
  49     initPixmap(0, pix, _w1, _h1, QRect(0,      0,      _w1, _h1));
  50     initPixmap(1, pix,  w,  _h1, QRect(_w1,    0,       w2, _h1));
  51     initPixmap(2, pix, _w3, _h1, QRect(_w1+w2, 0,      _w3, _h1));
  52     initPixmap(3, pix, _w1,  h,  QRect(0,      _h1,    _w1,  h2));
  53     initPixmap(4, pix,  w,   h,  QRect(_w1,    _h1,     w2,  h2));
  54     initPixmap(5, pix, _w3,  h,  QRect(_w1+w2, _h1,    _w3,  h2));
  55     initPixmap(6, pix, _w1, _h3, QRect(0,      _h1+h2, _w1, _h3));
  56     initPixmap(7, pix,  w,  _h3, QRect(_w1,    _h1+h2,  w2, _h3));
  57     initPixmap(8, pix, _w3, _h3, QRect(_w1+w2, _h1+h2, _w3, _h3));
  58 }
  59
  60 TileSet::TileSet(const QPixmap &pix, int w1, int h1, int w3, int h3, int x1, int y1, int w2, int h2)
  61     : _w1(w1), _h1(h1), _w3(w3), _h3(h3)
  62 {
  63     if (pix.isNull())
  64         return;
  65
  66     int x2 = pix.width() - _w3;
  67     int y2 = pix.height() - _h3;
  68     int w = w2; while (w < 32 && w2 > 0) w += w2;
  69     int h = h2; while (h < 32 && h2 > 0) h += h2;
  70
  71     initPixmap(0, pix, _w1, _h1, QRect(0,  0,  _w1, _h1));
  72     initPixmap(1, pix,  w,  _h1, QRect(x1, 0,   w2, _h1));
  73     initPixmap(2, pix, _w3, _h1, QRect(x2, 0,  _w3, _h1));
  74     initPixmap(3, pix, _w1,  h,  QRect(0,  y1, _w1,  h2));
  75     initPixmap(4, pix,  w,   h,  QRect(x1, y1,  w2,  h2));
  76     initPixmap(5, pix, _w3,  h,  QRect(x2, y1, _w3,  h2));
  77     initPixmap(6, pix, _w1, _h3, QRect(0,  y2, _w1, _h3));
  78     initPixmap(7, pix,  w,  _h3, QRect(x1, y2,  w2, _h3));
  79     initPixmap(8, pix, _w3, _h3, QRect(x2, y2, _w3, _h3));
  80 }
  81
  82 TileSet::TileSet(const TileSet &other)
  83     : _w1(other._w1), _h1(other._h1), _w3(other._w3), _h3(other._h3)
  84 {
  85     for (int i=0; i<9; i++) {
  86         _pixmap[i] = other._pixmap[i];
  87     }
  88 }
  89
  90 TileSet& TileSet::operator=(const TileSet &other)
  91 {
  92     _w1 = other._w1;
  93     _w3 = other._w3;
  94     _h1 = other._h1;
  95     _h3 = other._h3;
  96     for (int i=0; i<9; i++) {
  97         _pixmap[i] = other._pixmap[i];
  98     }
  99     return *this;
 100 }
 101
 102 inline bool bits(TileSet::Tiles flags, TileSet::Tiles testFlags)
 103 {
 104     return (flags & testFlags) == testFlags;
 105 }
 106
 107 void TileSet::render(const QRect &r, QPainter *p, Tiles t) const
 108 {
 109     if (_pixmap[0].isNull())
 110         return;
 111
 112     int x0, y0, w, h;
 113     r.getRect(&x0, &y0, &w, &h);
 114     w -= _w1 + _w3;
 115     h -= _h1 + _h3;
 116     int x1 = x0 + _w1;
 117     int x2 = x1 + w;
 118     int y1 = y0 + _h1;
 119     int y2 = y1 + h;
 120
 121     if (bits(t,    Top|Left))  p->drawPixmap(x0, y0, _pixmap[0]);
 122     if (bits(t,    Top|Right)) p->drawPixmap(x2, y0, _pixmap[2]);
 123     if (bits(t, Bottom|Left))  p->drawPixmap(x0, y2, _pixmap[6]);
 124     if (bits(t, Bottom|Right)) p->drawPixmap(x2, y2, _pixmap[8]);
 125
 126     if (t & Top)    p->drawTiledPixmap(x1, y0, w, _h1, _pixmap[1]);
 127     if (t & Bottom) p->drawTiledPixmap(x1, y2, w, _h3, _pixmap[7]);
 128     if (t & Left)   p->drawTiledPixmap(x0, y1, _w1, h, _pixmap[3]);
 129     if (t & Right)  p->drawTiledPixmap(x2, y1, _w3, h, _pixmap[5]);
 130
 131     if (t & Center) p->drawTiledPixmap(x1, y1, w, h, _pixmap[4]);
 132 }