summaryrefslogtreecommitdiffstats
path: root/lib/kofficecore/KoPictureBase.cpp
blob: 33437070646a4edf6240398141b10f67dd58fea5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* This file is part of the KDE project
   Copyright (c) 2001 Simon Hausmann <[email protected]>
   Copyright (C) 2002, 2003 Nicolas GOUTTE <[email protected]>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   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.
*/

#include "KoPictureBase.h"

#include <KoXmlWriter.h>

#include <kdebug.h>
#include <tdeconfig.h>
#include <tdeglobal.h>

#include <kmdcodec.h>
#include <tqpainter.h>
#include <tqpicture.h>
#include <tqpixmap.h>
#include <tqdragobject.h>

static int s_useSlowResizeMode = -1; // unset

KoPictureBase::KoPictureBase(void)
{
    // Slow mode can be very slow, especially at high zoom levels -> configurable
    if ( s_useSlowResizeMode == -1 )
    {
        TDEConfigGroup group( TDEGlobal::config(), "KOfficeImage" );
        s_useSlowResizeMode = group.readNumEntry( "HighResolution", 1 );
        kdDebug(30003) << "HighResolution = " << s_useSlowResizeMode << endl;
    }
}

KoPictureBase::~KoPictureBase(void)
{
}

KoPictureBase* KoPictureBase::newCopy(void) const
{
    return new KoPictureBase(*this);
}

KoPictureType::Type KoPictureBase::getType(void) const
{
    return KoPictureType::TypeUnknown;
}

bool KoPictureBase::isNull(void) const
{
    return true;    // A KoPictureBase is always null.
}

void KoPictureBase::draw(TQPainter& painter, int x, int y, int width, int height, int, int, int, int, bool /*fastMode*/)
{
    // Draw a light red box (easier DEBUG)
    kdWarning(30003) << "Drawing light red rectangle! (KoPictureBase::draw)" << endl;
    painter.save();
    painter.setBrush(TQColor(128,0,0));
    painter.drawRect(x,y,width,height);
    painter.restore();
}

bool KoPictureBase::load(TQIODevice* io, const TQString& extension)
{
    return loadData(io->readAll(), extension);
}

bool KoPictureBase::loadData(const TQByteArray&, const TQString&)
{
    // Nothing to load!
    return false;
}

bool KoPictureBase::save(TQIODevice*) const
{
    // Nothing to save!
    return false;
}

bool KoPictureBase::saveAsBase64( KoXmlWriter& writer ) const
{
    TQBuffer buffer;
    buffer.open(IO_ReadWrite);
    if ( !save( &buffer ) )
        return false;
    TQCString encoded = KCodecs::base64Encode( buffer.buffer() );
    writer.addTextNode( encoded );
    return true;
}

TQSize KoPictureBase::getOriginalSize(void) const
{
    return TQSize(0,0);
}

TQPixmap KoPictureBase::generatePixmap(const TQSize&, bool /*smoothScale*/)
{
    return TQPixmap();
}

TQString KoPictureBase::getMimeType(const TQString&) const
{
    return TQString(NULL_MIME_TYPE);
}

bool KoPictureBase::isSlowResizeModeAllowed(void) const
{
    return s_useSlowResizeMode != 0;
}

TQDragObject* KoPictureBase::dragObject( TQWidget * dragSource, const char * name )
{
    TQImage image (generateImage(getOriginalSize()));
    if (image.isNull())
        return 0L;
    else
        return new TQImageDrag( image, dragSource, name );
}

TQImage KoPictureBase::generateImage(const TQSize& size)
{
    return generatePixmap(size,true).convertToImage();
}

void KoPictureBase::clearCache(void)
{
    // Nothign to do!
}