2
* qimage_manips.h - some functions for fast manipulating of QImage-objects
5
* Copyright (c) 2004-2005 Tobias Doerffel <tobias@doerffel.de>
7
* This program is free software; you can redistribute it and/or
8
* modify it under the terms of the GNU General Public
9
* License as published by the Free Software Foundation; either
10
* version 2 of the License, or (at your option) any later version.
12
* This program is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
* General Public License for more details.
17
* You should have received a copy of the GNU General Public
18
* License along with this program (see COPYING); if not, write to the
19
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20
* Boston, MA 02111-1307, USA.
25
#ifndef _Q_IMGAGE_MANIPS_H
26
#define _Q_IMGAGE_MANIPS_H
35
inline void fillRect( QImage & _i, Q_UINT16 rx, Q_UINT16 ry, Q_UINT16 rw, Q_UINT16 rh, QRgb pix )
37
const Q_UINT16 x2 = rx+rw;
38
const Q_UINT16 y2 = ry+rh;
40
for( Q_UINT16 y = ry; y < y2; ++y )
42
register QRgb * dest = (QRgb *) _i.scanLine( y ) + rx;
43
for( register Q_UINT16 x = rx; x < x2; ++x, ++dest )
52
inline void copyRect( QImage & _i, Q_UINT16 rx, Q_UINT16 ry, Q_UINT16 rw, Q_UINT16 rh, QRgb * buf )
54
const Q_UINT16 x2 = rx+rw;
55
const Q_UINT16 y2 = ry+rh;
57
for( Q_UINT16 y = ry; y < y2; ++y )
59
register QRgb * dest = (QRgb *) _i.scanLine( y ) + rx;
60
memcpy( dest, buf, ( x2-rx ) * sizeof( QRgb ) );
62
/* for( register Q_UINT16 x = rx; x < x2; ++x, ++dest, ++buf )
71
inline void copyExistingRect( QImage & _i, Q_UINT16 src_x, Q_UINT16 src_y, Q_UINT16 rw, Q_UINT16 rh, Q_UINT16 dest_x, Q_UINT16 dest_y )
73
for( Q_UINT16 y = 0; y < rh; ++y )
75
register QRgb * src = (QRgb *) _i.scanLine( y+src_y ) + src_x;
76
register QRgb * dest = (QRgb *) _i.scanLine( y+dest_y ) + dest_x;
77
memcpy( dest, src, rw * sizeof( QRgb ) );
78
/* for( register Q_UINT16 x = 0; x < rw; ++x, ++src, ++dest )
87
void fastScaleImage (const QImage & src, QImage & dst);