103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
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/*
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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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#ifndef TILESET_H
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#define TILESET_H
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#include <QtGui/QPixmap>
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#include <QtCore/QRect>
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class TileSet
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{
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public:
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/**
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* Create a TileSet from a pixmap. The size of the bottom/right chunks is
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* whatever is left over from the other chunks, whose size is specified
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* in the required parameters.
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*
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* @param w1 width of the left chunks
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* @param h1 height of the top chunks
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* @param w2 width of the not-left-or-right chunks
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* @param h2 height of the not-top-or-bottom chunks
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*/
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TileSet(const QPixmap&, int w1, int h1, int w2, int h2);
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/**
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* Create a TileSet from a pixmap. The size of the top/left and bottom/right
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* chunks is specified, with the middle chunks created from the specified
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* portion of the pixmap. This allows the middle chunks to overlap the outer
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* chunks (or to not use all pixels). The top/left and bottom/right chunks
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* are carved out of the corners of the pixmap.
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*
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* @param w1 width of the left chunks
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* @param h1 height of the top chunks
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* @param w3 width of the right chunks
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* @param h3 height of bottom chunks
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* @param x2 x-coordinate of the top of the not-left-or-right chunks
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* @param y2 y-coordinate of the left of the not-top-or-bottom chunks
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* @param w2 width of the not-left-or-right chunks
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* @param h2 height of the not-top-or-bottom chunks
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*/
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TileSet(const QPixmap &pix, int w1, int h1, int w3, int h3, int x2, int y2, int w2, int h2);
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TileSet() : _empty(true) {}
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TileSet(const TileSet&);
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virtual ~TileSet() {}
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TileSet& operator=(const TileSet&);
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/**
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* Flags specifying what sides to draw in ::render. Corners are drawn when
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* the sides forming that corner are drawn, e.g. Top|Left draws the
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* top-center, center-left, and top-left chunks. The center-center chunk is
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* only drawn when Center is requested.
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*/
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enum Tile {
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Top = 0x1,
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Left = 0x2,
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Right = 0x8,
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Bottom = 0x4,
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Center = 0x10,
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Ring = 0x0f,
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Horizontal = 0x1a,
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Vertical = 0x15,
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Full = 0x1f
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};
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Q_DECLARE_FLAGS(Tiles, Tile)
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/**
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* Fills the specified rect with tiled chunks. Corners are never tiled,
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* edges are tiled in one direction, and the center chunk is tiled in both
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* directions. Partial tiles are used as needed so that the entire rect is
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* perfectly filled. Filling is performed as if all chunks are being drawn.
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*/
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void render(const QRect&, QPainter*, Tiles = Ring) const;
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protected:
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void initPixmap(int s, const QPixmap&, int w, int h, const QRect ®ion);
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bool _empty;
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QPixmap _pixmap[9];
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int _w1, _h1, _w3, _h3;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(TileSet::Tiles)
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#endif //TILESET_H
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