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198 lines
8.4 KiB
198 lines
8.4 KiB
/************************************************************************* |
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* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr> * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program 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 * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . * |
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*************************************************************************/ |
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#include "breezetileset.h" |
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#include <QPainter> |
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namespace Breeze |
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{ |
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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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inline qreal devicePixelRatio( const QPixmap& pixmap ) |
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{ |
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#if QT_VERSION >= 0x050300 |
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return pixmap.devicePixelRatio(); |
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#else |
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Q_UNUSED( pixmap ); |
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return 1; |
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#endif |
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} |
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//______________________________________________________________________________________ |
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inline void setDevicePixelRatio( QPixmap& pixmap, qreal value ) |
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{ |
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#if QT_VERSION >= 0x050300 |
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return pixmap.setDevicePixelRatio( value ); |
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#else |
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Q_UNUSED( pixmap ); |
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Q_UNUSED( value ); |
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#endif |
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} |
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//______________________________________________________________ |
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void TileSet::initPixmap( PixmapList& pixmaps, const QPixmap &source, int width, int height, const QRect &rect) |
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{ |
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QSize size( width, height ); |
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if( !( size.isValid() && rect.isValid() ) ) |
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{ |
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pixmaps.append( QPixmap() ); |
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} else if( size != rect.size() ) { |
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const qreal dpiRatio( devicePixelRatio( source ) ); |
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const QRect scaledRect( rect.topLeft()*dpiRatio, rect.size()*dpiRatio ); |
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const QSize scaledSize( size*dpiRatio ); |
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const QPixmap tile( source.copy(scaledRect) ); |
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QPixmap pixmap( scaledSize ); |
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pixmap.fill(Qt::transparent); |
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QPainter painter(&pixmap); |
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painter.drawTiledPixmap(0, 0, scaledSize.width(), scaledSize.height(), tile); |
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setDevicePixelRatio( pixmap, dpiRatio ); |
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pixmaps.append( pixmap ); |
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} else { |
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const qreal dpiRatio( devicePixelRatio( source ) ); |
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const QRect scaledRect( rect.topLeft()*dpiRatio, rect.size()*dpiRatio ); |
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QPixmap pixmap( source.copy( scaledRect ) ); |
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setDevicePixelRatio( pixmap, dpiRatio ); |
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pixmaps.append( pixmap ); |
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} |
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} |
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//______________________________________________________________ |
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TileSet::TileSet( void ): |
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_w1(0), |
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_h1(0), |
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_w3(0), |
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_h3(0) |
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{ _pixmaps.reserve(9); } |
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//______________________________________________________________ |
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TileSet::TileSet(const QPixmap &source, int w1, int h1, int w2, int h2 ): |
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_w1(w1), |
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_h1(h1), |
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_w3(0), |
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_h3(0) |
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{ |
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_pixmaps.reserve(9); |
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if( source.isNull() ) return; |
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_w3 = source.width()/devicePixelRatio( source ) - (w1 + w2); |
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_h3 = source.height()/devicePixelRatio( source ) - (h1 + h2); |
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int w = w2; |
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int h = h2; |
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// initialise pixmap array |
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initPixmap( _pixmaps, source, _w1, _h1, QRect(0, 0, _w1, _h1) ); |
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initPixmap( _pixmaps, source, w, _h1, QRect(_w1, 0, w2, _h1) ); |
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initPixmap( _pixmaps, source, _w3, _h1, QRect(_w1+w2, 0, _w3, _h1) ); |
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initPixmap( _pixmaps, source, _w1, h, QRect(0, _h1, _w1, h2) ); |
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initPixmap( _pixmaps, source, w, h, QRect(_w1, _h1, w2, h2) ); |
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initPixmap( _pixmaps, source, _w3, h, QRect(_w1+w2, _h1, _w3, h2) ); |
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initPixmap( _pixmaps, source, _w1, _h3, QRect(0, _h1+h2, _w1, _h3) ); |
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initPixmap( _pixmaps, source, w, _h3, QRect(_w1, _h1+h2, w2, _h3) ); |
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initPixmap( _pixmaps, source, _w3, _h3, QRect(_w1+w2, _h1+h2, _w3, _h3) ); |
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} |
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//___________________________________________________________ |
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void TileSet::render(const QRect &constRect, QPainter *painter, Tiles tiles) const |
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{ |
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const bool oldHint( painter->testRenderHint( QPainter::SmoothPixmapTransform ) ); |
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painter->setRenderHint( QPainter::SmoothPixmapTransform, true ); |
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// check initialization |
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if( _pixmaps.size() < 9 ) return; |
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// copy source rect |
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QRect rect( constRect ); |
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// get rect dimensions |
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int x0, y0, w, h; |
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rect.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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{ |
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qreal wRatio( qreal( _w1 )/qreal( _w1 + _w3 ) ); |
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wLeft = (tiles&Right) ? qMin( _w1, int(w*wRatio) ):_w1; |
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wRight = (tiles&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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{ |
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qreal hRatio( qreal( _h1 )/qreal( _h1 + _h3 ) ); |
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hTop = (tiles&Bottom) ? qMin( _h1, int(h*hRatio) ):_h1; |
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hBottom = (tiles&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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const int x1 = x0 + wLeft; |
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const int x2 = x1 + w; |
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const int y1 = y0 + hTop; |
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const int y2 = y1 + h; |
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const int w2 = _pixmaps.at(7).width()/devicePixelRatio( _pixmaps.at(7) ); |
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const int h2 = _pixmaps.at(5).height()/devicePixelRatio( _pixmaps.at(5) ); |
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// corner |
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if( bits( tiles, Top|Left) ) painter->drawPixmap(x0, y0, _pixmaps.at(0), 0, 0, wLeft*devicePixelRatio( _pixmaps.at(0) ), hTop*devicePixelRatio( _pixmaps.at(0) )); |
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if( bits( tiles, Top|Right) ) painter->drawPixmap(x2, y0, _pixmaps.at(2), (_w3-wRight)*devicePixelRatio( _pixmaps.at(2) ), 0, wRight*devicePixelRatio( _pixmaps.at(2) ), hTop*devicePixelRatio( _pixmaps.at(2) ) ); |
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if( bits( tiles, Bottom|Left) ) painter->drawPixmap(x0, y2, _pixmaps.at(6), 0, (_h3-hBottom)*devicePixelRatio( _pixmaps.at(6) ), wLeft*devicePixelRatio( _pixmaps.at(6) ), hBottom*devicePixelRatio( _pixmaps.at(6) )); |
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if( bits( tiles, Bottom|Right) ) painter->drawPixmap(x2, y2, _pixmaps.at(8), (_w3-wRight)*devicePixelRatio( _pixmaps.at(8) ), (_h3-hBottom)*devicePixelRatio( _pixmaps.at(8) ), wRight*devicePixelRatio( _pixmaps.at(8) ), hBottom*devicePixelRatio( _pixmaps.at(8) ) ); |
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// top and bottom |
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if( w > 0 ) |
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{ |
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if( tiles&Top ) painter->drawPixmap(x1, y0, w, hTop, _pixmaps.at(1), 0, 0, w2*devicePixelRatio( _pixmaps.at(1) ), hTop*devicePixelRatio( _pixmaps.at(1) ) ); |
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if( tiles&Bottom ) painter->drawPixmap(x1, y2, w, hBottom, _pixmaps.at(7), 0, (_h3-hBottom)*devicePixelRatio( _pixmaps.at(7) ), w2*devicePixelRatio( _pixmaps.at(7) ), hBottom*devicePixelRatio( _pixmaps.at(7) ) ); |
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} |
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// left and right |
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if( h > 0 ) |
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{ |
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if( tiles&Left ) painter->drawPixmap(x0, y1, wLeft, h, _pixmaps.at(3), 0, 0, wLeft*devicePixelRatio( _pixmaps.at(3) ), h2*devicePixelRatio( _pixmaps.at(3) ) ); |
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if( tiles&Right ) painter->drawPixmap(x2, y1, wRight, h, _pixmaps.at(5), (_w3-wRight)*devicePixelRatio( _pixmaps.at(5) ), 0, wRight*devicePixelRatio( _pixmaps.at(5) ), h2*devicePixelRatio( _pixmaps.at(5) ) ); |
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} |
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// center |
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if( (tiles&Center) && h > 0 && w > 0 ) painter->drawPixmap(x1, y1, w, h, _pixmaps.at(4)); |
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// restore |
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painter->setRenderHint( QPainter::SmoothPixmapTransform, oldHint ); |
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} |
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}
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