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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 <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(std::move(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(std::move(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: */
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