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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <QtBitmap.hxx>
#include <QtTools.hxx>
#include <QtGraphics.hxx>
#include <QtGui/QImage>
#include <QtCore/QVector>
#include <QtGui/QColor>
#include <o3tl/safeint.hxx>
#include <sal/log.hxx>
#include <tools/helpers.hxx>
QtBitmap::QtBitmap() {}
QtBitmap::QtBitmap(const QImage& rImage) { m_pImage.reset(new QImage(rImage)); }
bool QtBitmap::Create(const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal)
{
if (ePixelFormat == vcl::PixelFormat::INVALID)
return false;
if (ePixelFormat == vcl::PixelFormat::N1_BPP)
assert(2 >= rPal.GetEntryCount());
if (ePixelFormat == vcl::PixelFormat::N8_BPP)
assert(256 >= rPal.GetEntryCount());
m_pImage.reset(new QImage(toQSize(rSize), getBitFormat(ePixelFormat)));
m_pImage->fill(Qt::transparent);
m_aPalette = rPal;
auto count = rPal.GetEntryCount();
if (count && m_pImage)
{
QVector<QRgb> aColorTable(count);
for (unsigned i = 0; i < count; ++i)
aColorTable[i] = qRgb(rPal[i].GetRed(), rPal[i].GetGreen(), rPal[i].GetBlue());
m_pImage->setColorTable(aColorTable);
}
return true;
}
bool QtBitmap::Create(const SalBitmap& rSalBmp)
{
const QtBitmap* pBitmap = static_cast<const QtBitmap*>(&rSalBmp);
m_pImage.reset(new QImage(*pBitmap->m_pImage));
m_aPalette = pBitmap->m_aPalette;
return true;
}
bool QtBitmap::Create(const SalBitmap& rSalBmp, SalGraphics* pSalGraphics)
{
const QtBitmap* pBitmap = static_cast<const QtBitmap*>(&rSalBmp);
QtGraphics* pGraphics = static_cast<QtGraphics*>(pSalGraphics);
QImage* pImage = pGraphics->getQImage();
m_pImage.reset(new QImage(pBitmap->m_pImage->convertToFormat(pImage->format())));
return true;
}
bool QtBitmap::Create(const SalBitmap& rSalBmp, vcl::PixelFormat eNewPixelFormat)
{
if (eNewPixelFormat == vcl::PixelFormat::INVALID)
return false;
const QtBitmap* pBitmap = static_cast<const QtBitmap*>(&rSalBmp);
m_pImage.reset(new QImage(pBitmap->m_pImage->convertToFormat(getBitFormat(eNewPixelFormat))));
return true;
}
bool QtBitmap::Create(const css::uno::Reference<css::rendering::XBitmapCanvas>& /*rBitmapCanvas*/,
Size& /*rSize*/, bool /*bMask*/)
{
return false;
}
void QtBitmap::Destroy() { m_pImage.reset(); }
Size QtBitmap::GetSize() const
{
if (m_pImage)
return toSize(m_pImage->size());
return Size();
}
sal_uInt16 QtBitmap::GetBitCount() const
{
if (m_pImage)
return getFormatBits(m_pImage->format());
return 0;
}
BitmapBuffer* QtBitmap::AcquireBuffer(BitmapAccessMode /*nMode*/)
{
static const BitmapPalette aEmptyPalette;
if (!m_pImage)
return nullptr;
BitmapBuffer* pBuffer = new BitmapBuffer;
pBuffer->mnWidth = m_pImage->width();
pBuffer->mnHeight = m_pImage->height();
pBuffer->mnBitCount = getFormatBits(m_pImage->format());
pBuffer->mpBits = m_pImage->bits();
pBuffer->mnScanlineSize = m_pImage->bytesPerLine();
switch (pBuffer->mnBitCount)
{
case 1:
pBuffer->mnFormat = ScanlineFormat::N1BitMsbPal | ScanlineFormat::TopDown;
pBuffer->maPalette = m_aPalette;
break;
case 8:
pBuffer->mnFormat = ScanlineFormat::N8BitPal | ScanlineFormat::TopDown;
pBuffer->maPalette = m_aPalette;
break;
case 24:
pBuffer->mnFormat = ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown;
pBuffer->maPalette = aEmptyPalette;
break;
case 32:
{
#ifdef OSL_BIGENDIAN
pBuffer->mnFormat = ScanlineFormat::N32BitTcArgb | ScanlineFormat::TopDown;
#else
pBuffer->mnFormat = ScanlineFormat::N32BitTcBgra | ScanlineFormat::TopDown;
#endif
pBuffer->maPalette = aEmptyPalette;
break;
}
default:
assert(false);
}
return pBuffer;
}
void QtBitmap::ReleaseBuffer(BitmapBuffer* pBuffer, BitmapAccessMode nMode)
{
m_aPalette = pBuffer->maPalette;
auto count = m_aPalette.GetEntryCount();
if (pBuffer->mnBitCount != 4 && count)
{
QVector<QRgb> aColorTable(count);
for (unsigned i = 0; i < count; ++i)
aColorTable[i]
= qRgb(m_aPalette[i].GetRed(), m_aPalette[i].GetGreen(), m_aPalette[i].GetBlue());
m_pImage->setColorTable(aColorTable);
}
delete pBuffer;
if (nMode == BitmapAccessMode::Write)
InvalidateChecksum();
}
bool QtBitmap::GetSystemData(BitmapSystemData& /*rData*/) { return false; }
bool QtBitmap::ScalingSupported() const { return false; }
bool QtBitmap::Scale(const double& /*rScaleX*/, const double& /*rScaleY*/,
BmpScaleFlag /*nScaleFlag*/)
{
return false;
}
bool QtBitmap::Replace(const Color& /*rSearchColor*/, const Color& /*rReplaceColor*/,
sal_uInt8 /*nTol*/)
{
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
