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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
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/*
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* SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include <QPixmap>
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#include <QRect>
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#include <QVector>
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//* handles proper scaling of pixmap to match widget rect.
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/**
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tilesets are collections of stretchable pixmaps corresponding to a given widget corners, sides, and center.
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corner pixmaps are never stretched. center pixmaps are
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*/
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namespace Breeze
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{
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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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@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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//* empty constructor
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TileSet();
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//* destructor
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virtual ~TileSet()
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{
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}
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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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Bottom = 0x4,
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Right = 0x8,
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Center = 0x10,
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TopLeft = Top | Left,
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TopRight = Top | Right,
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BottomLeft = Bottom | Left,
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BottomRight = Bottom | Right,
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Ring = Top | Left | Bottom | Right,
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Horizontal = Left | Right | Center,
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Vertical = Top | Bottom | Center,
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Full = Ring | Center,
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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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//* return size associated to this tileset
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QSize size() const
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{
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return QSize(_w1 + _w3, _h1 + _h3);
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}
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//* is valid
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bool isValid() const
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{
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return _pixmaps.size() == 9;
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}
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//* returns pixmap for given index
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QPixmap pixmap(int index) const
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{
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return _pixmaps[index];
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}
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protected:
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//* shortcut to pixmap list
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using PixmapList = QVector<QPixmap>;
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//* initialize pixmap
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void initPixmap(PixmapList &, const QPixmap &, int w, int h, const QRect &);
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private:
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//* pixmap arry
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PixmapList _pixmaps;
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// dimensions
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int _w1;
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int _h1;
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int _w3;
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int _h3;
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};
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS(Breeze::TileSet::Tiles)
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