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/* -*- 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 "Qt5Bitmap.hxx"
#include "Qt5Tools.hxx"
#include "Qt5Graphics.hxx"
#include <QtGui/QImage>
#include <QtCore/QVector>
#include <QtGui/QColor>
Qt5Bitmap::Qt5Bitmap() {}
Qt5Bitmap::Qt5Bitmap(const QImage& rImage) { m_pImage.reset(new QImage(rImage)); }
Qt5Bitmap::~Qt5Bitmap() {}
bool Qt5Bitmap::Create(const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal)
{
assert((nBitCount == 1 || nBitCount == 4 || nBitCount == 8 || nBitCount == 16 || nBitCount == 24
|| nBitCount == 32)
&& "Unsupported BitCount!");
if (nBitCount == 1)
assert(2 == rPal.GetEntryCount());
if (nBitCount == 4)
assert(16 == rPal.GetEntryCount());
if (nBitCount == 8)
assert(256 == rPal.GetEntryCount());
if (nBitCount == 4)
{
m_pImage.reset();
m_aSize = rSize;
m_nScanline = rSize.Width() / 2 + (rSize.Width() % 2) ? 0 : 1;
m_pBuffer.reset(new sal_uInt8[m_nScanline * rSize.Height()]);
}
else
{
m_pImage.reset(new QImage(toQSize(rSize), getBitFormat(nBitCount)));
m_pBuffer.reset();
}
m_aPalette = rPal;
auto count = rPal.GetEntryCount();
if (nBitCount != 4 && count)
{
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 Qt5Bitmap::Create(const SalBitmap& rSalBmp)
{
const Qt5Bitmap* pBitmap = static_cast<const Qt5Bitmap*>(&rSalBmp);
if (pBitmap->m_pImage.get())
{
m_pImage.reset(new QImage(*pBitmap->m_pImage.get()));
m_pBuffer.reset();
}
else
{
m_aSize = pBitmap->m_aSize;
m_nScanline = pBitmap->m_nScanline;
m_pBuffer.reset(new sal_uInt8[m_nScanline * m_aSize.Height()]);
memcpy(m_pBuffer.get(), pBitmap->m_pBuffer.get(), m_nScanline);
m_pImage.reset();
}
m_aPalette = pBitmap->m_aPalette;
return true;
}
bool Qt5Bitmap::Create(const SalBitmap& rSalBmp, SalGraphics* pSalGraphics)
{
const Qt5Bitmap* pBitmap = static_cast<const Qt5Bitmap*>(&rSalBmp);
Qt5Graphics* pGraphics = static_cast<Qt5Graphics*>(pSalGraphics);
QImage* pImage = pGraphics->m_pQImage;
m_pImage.reset(new QImage(pBitmap->m_pImage->convertToFormat(pImage->format())));
m_pBuffer.reset();
return true;
}
bool Qt5Bitmap::Create(const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount)
{
assert((nNewBitCount == 1 || nNewBitCount == 4 || nNewBitCount == 8 || nNewBitCount == 16
|| nNewBitCount == 24 || nNewBitCount == 32)
&& "Unsupported BitCount!");
const Qt5Bitmap* pBitmap = static_cast<const Qt5Bitmap*>(&rSalBmp);
if (pBitmap->m_pBuffer.get())
return false;
m_pImage.reset(new QImage(pBitmap->m_pImage->convertToFormat(getBitFormat(nNewBitCount))));
return true;
}
bool Qt5Bitmap::Create(const css::uno::Reference<css::rendering::XBitmapCanvas>& rBitmapCanvas,
Size& rSize, bool bMask)
{
return false;
}
void Qt5Bitmap::Destroy()
{
m_pImage.reset();
m_pBuffer.reset();
}
Size Qt5Bitmap::GetSize() const
{
if (m_pBuffer.get())
return m_aSize;
else if (m_pImage.get())
return toSize(m_pImage->size());
return Size();
}
sal_uInt16 Qt5Bitmap::GetBitCount() const
{
if (m_pBuffer.get())
return 4;
else if (m_pImage.get())
return getFormatBits(m_pImage->format());
return 0;
}
BitmapBuffer* Qt5Bitmap::AcquireBuffer(BitmapAccessMode nMode)
{
static const BitmapPalette aEmptyPalette;
if (!(m_pImage.get() || m_pBuffer.get()))
return nullptr;
BitmapBuffer* pBuffer = new BitmapBuffer;
if (m_pBuffer.get())
{
pBuffer->mnWidth = m_aSize.Width();
pBuffer->mnHeight = m_aSize.Height();
pBuffer->mnBitCount = 4;
pBuffer->mpBits = m_pBuffer.get();
pBuffer->mnScanlineSize = m_nScanline;
}
else
{
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::N1BitLsbPal | ScanlineFormat::TopDown;
pBuffer->maPalette = m_aPalette;
break;
case 4:
pBuffer->mnFormat = ScanlineFormat::N4BitMsnPal | ScanlineFormat::TopDown;
pBuffer->maPalette = m_aPalette;
break;
case 8:
pBuffer->mnFormat = ScanlineFormat::N8BitPal | ScanlineFormat::TopDown;
pBuffer->maPalette = m_aPalette;
break;
case 16:
{
#ifdef OSL_BIGENDIAN
pBuffer->mnFormat = ScanlineFormat::N16BitTcMsbMask | ScanlineFormat::TopDown;
#else
pBuffer->mnFormat = ScanlineFormat::N16BitTcLsbMask | ScanlineFormat::TopDown;
#endif
ColorMaskElement aRedMask(0xf800); // 5
aRedMask.CalcMaskShift();
ColorMaskElement aGreenMask(0x07e0); // 6
aGreenMask.CalcMaskShift();
ColorMaskElement aBlueMask(0x001f); // 5
aBlueMask.CalcMaskShift();
pBuffer->maColorMask = ColorMask(aRedMask, aGreenMask, aBlueMask);
pBuffer->maPalette = aEmptyPalette;
break;
}
case 24:
pBuffer->mnFormat = ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown;
pBuffer->maPalette = aEmptyPalette;
break;
case 32:
{
pBuffer->mnFormat = ScanlineFormat::N32BitTcArgb | ScanlineFormat::TopDown;
pBuffer->maPalette = aEmptyPalette;
break;
}
}
return pBuffer;
}
void Qt5Bitmap::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;
}
bool Qt5Bitmap::GetSystemData(BitmapSystemData& rData) { return false; }
bool Qt5Bitmap::ScalingSupported() const { return false; }
bool Qt5Bitmap::Scale(const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag)
{
return false;
}
bool Qt5Bitmap::Replace(const Color& rSearchColor, const Color& rReplaceColor, sal_uLong nTol)
{
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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