kwin/clients/nitrogen/lib/tileset.h
Lucas Murray a92f204309 Import the Nitrogen window decoration AS IS from KDE-Look with
permission from hpereiradacosta.

svn path=/trunk/KDE/kdebase/workspace/; revision=1014262
2009-08-22 08:24:06 +00:00

102 lines
3.5 KiB
C++

/*
* Copyright 2007 Matthew Woehlke <mw_triad@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef TILESET_H
#define TILESET_H
#include <QtGui/QPixmap>
#include <QtCore/QRect>
class TileSet
{
public:
/**
* Create a TileSet from a pixmap. The size of the bottom/right chunks is
* whatever is left over from the other chunks, whose size is specified
* in the required parameters.
*
* @param w1 width of the left chunks
* @param h1 height of the top chunks
* @param w2 width of the not-left-or-right chunks
* @param h2 height of the not-top-or-bottom chunks
*/
TileSet(const QPixmap&, int w1, int h1, int w2, int h2);
/**
* Create a TileSet from a pixmap. The size of the top/left and bottom/right
* chunks is specified, with the middle chunks created from the specified
* portion of the pixmap. This allows the middle chunks to overlap the outer
* chunks (or to not use all pixels). The top/left and bottom/right chunks
* are carved out of the corners of the pixmap.
*
* @param w1 width of the left chunks
* @param h1 height of the top chunks
* @param w3 width of the right chunks
* @param h3 height of bottom chunks
* @param x2 x-coordinate of the top of the not-left-or-right chunks
* @param y2 y-coordinate of the left of the not-top-or-bottom chunks
* @param w2 width of the not-left-or-right chunks
* @param h2 height of the not-top-or-bottom chunks
*/
TileSet(const QPixmap &pix, int w1, int h1, int w3, int h3, int x2, int y2, int w2, int h2);
TileSet() : _empty(true) {}
TileSet(const TileSet&);
virtual ~TileSet() {}
TileSet& operator=(const TileSet&);
/**
* Flags specifying what sides to draw in ::render. Corners are drawn when
* the sides forming that corner are drawn, e.g. Top|Left draws the
* top-center, center-left, and top-left chunks. The center-center chunk is
* only drawn when Center is requested.
*/
enum Tile {
Top = 0x1,
Left = 0x2,
Right = 0x8,
Bottom = 0x4,
Center = 0x10,
Ring = 0x0f,
Horizontal = 0x1a,
Vertical = 0x15,
Full = 0x1f
};
Q_DECLARE_FLAGS(Tiles, Tile)
/**
* Fills the specified rect with tiled chunks. Corners are never tiled,
* edges are tiled in one direction, and the center chunk is tiled in both
* directions. Partial tiles are used as needed so that the entire rect is
* perfectly filled. Filling is performed as if all chunks are being drawn.
*/
void render(const QRect&, QPainter*, Tiles = Ring) const;
protected:
void initPixmap(int s, const QPixmap&, int w, int h, const QRect &region);
bool _empty;
QPixmap _pixmap[9];
int _w1, _h1, _w3, _h3;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(TileSet::Tiles)
#endif //TILESET_H