Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 301 insertions, 0 deletions

diff --git a/vcl/qt5/Qt5Bitmap.cxx b/vcl/qt5/Qt5Bitmap.cxx
new file mode 100644
index 000000000..01c6ebc4d
--- /dev/null
+++ b/vcl/qt5/Qt5Bitmap.cxx
@@ -0,0 +1,301 @@
+/* -*- 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>
+
+#include <o3tl/safeint.hxx>
+#include <sal/log.hxx>
+#include <tools/helpers.hxx>
+
+Qt5Bitmap::Qt5Bitmap() {}
+
+Qt5Bitmap::Qt5Bitmap(const QImage& rImage) { m_pImage.reset(new QImage(rImage)); }
+
+bool Qt5Bitmap::Create(const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal)
+{
+    assert(
+        (nBitCount == 1 || nBitCount == 4 || nBitCount == 8 || 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;
+        bool bFail = o3tl::checked_multiply<sal_uInt32>(rSize.Width(), nBitCount, m_nScanline);
+        if (bFail)
+        {
+            SAL_WARN("vcl.gdi", "checked multiply failed");
+            return false;
+        }
+        m_nScanline = AlignedWidth4Bytes(m_nScanline);
+        sal_uInt8* pBuffer = nullptr;
+        if (0 != m_nScanline && 0 != rSize.Height())
+            pBuffer = new sal_uInt8[m_nScanline * rSize.Height()];
+        m_pBuffer.reset(pBuffer);
+    }
+    else
+    {
+        m_pImage.reset(new QImage(toQSize(rSize), getBitFormat(nBitCount)));
+        m_pImage->fill(Qt::transparent);
+        m_pBuffer.reset();
+    }
+    m_aPalette = rPal;
+
+    auto count = rPal.GetEntryCount();
+    if (nBitCount != 4 && 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 Qt5Bitmap::Create(const SalBitmap& rSalBmp)
+{
+    const Qt5Bitmap* pBitmap = static_cast<const Qt5Bitmap*>(&rSalBmp);
+    if (pBitmap->m_pImage)
+    {
+        m_pImage.reset(new QImage(*pBitmap->m_pImage));
+        m_pBuffer.reset();
+    }
+    else
+    {
+        m_aSize = pBitmap->m_aSize;
+        m_nScanline = pBitmap->m_nScanline;
+        sal_uInt8* pBuffer = nullptr;
+        if (0 != m_nScanline && 0 != m_aSize.Height())
+        {
+            sal_uInt32 nSize = m_nScanline * m_aSize.Height();
+            pBuffer = new sal_uInt8[nSize];
+            memcpy(pBuffer, pBitmap->m_pBuffer.get(), nSize);
+        }
+        m_pBuffer.reset(pBuffer);
+        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 == 24
+            || nNewBitCount == 32)
+           && "Unsupported BitCount!");
+
+    const Qt5Bitmap* pBitmap = static_cast<const Qt5Bitmap*>(&rSalBmp);
+    if (pBitmap->m_pBuffer)
+    {
+        if (nNewBitCount != 32)
+            return false;
+
+        // convert 4bit indexed palette to 32bit ARGB
+        m_pImage.reset(new QImage(pBitmap->m_aSize.Width(), pBitmap->m_aSize.Height(),
+                                  getBitFormat(nNewBitCount)));
+        m_pImage->fill(Qt::transparent);
+
+        // prepare a whole palette
+        const BitmapPalette& rPal = pBitmap->m_aPalette;
+        QVector<QRgb> colorTable(16);
+        int i = 0, maxEntry = pBitmap->m_aPalette.GetEntryCount();
+        assert(maxEntry <= 16 && maxEntry >= 0);
+        for (; i < maxEntry; ++i)
+            colorTable[i] = qRgb(rPal[i].GetRed(), rPal[i].GetGreen(), rPal[i].GetBlue());
+        for (; i < 16; ++i)
+            colorTable[i] = qRgb(0, 0, 0);
+
+        sal_uInt32* image_data = reinterpret_cast<sal_uInt32*>(m_pImage->bits());
+        sal_uInt8* buffer_data_pos = pBitmap->m_pBuffer.get();
+        sal_uInt32 nWidth = pBitmap->m_aSize.Height() / 2;
+        bool isOdd(0 != pBitmap->m_aSize.Height() % 2);
+
+        for (long h = 0; h < pBitmap->m_aSize.Height(); ++h)
+        {
+            sal_uInt8* buffer_data = buffer_data_pos;
+            buffer_data_pos += pBitmap->m_nScanline;
+            for (sal_uInt32 w = 0; w < nWidth; ++w)
+            {
+                *image_data = static_cast<sal_uInt32>(colorTable.at(*buffer_data >> 4));
+                ++image_data;
+                *image_data = static_cast<sal_uInt32>(colorTable.at(*buffer_data & 0xF));
+                ++image_data;
+                ++buffer_data;
+            }
+            if (isOdd)
+            {
+                *image_data = static_cast<sal_uInt32>(colorTable.at(*buffer_data >> 4));
+                ++image_data;
+            }
+        }
+    }
+    else
+        m_pImage.reset(new QImage(pBitmap->m_pImage->convertToFormat(getBitFormat(nNewBitCount))));
+    m_pBuffer.reset();
+    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)
+        return m_aSize;
+    else if (m_pImage)
+        return toSize(m_pImage->size());
+    return Size();
+}
+
+sal_uInt16 Qt5Bitmap::GetBitCount() const
+{
+    if (m_pBuffer)
+        return 4;
+    else if (m_pImage)
+        return getFormatBits(m_pImage->format());
+    return 0;
+}
+
+BitmapBuffer* Qt5Bitmap::AcquireBuffer(BitmapAccessMode /*nMode*/)
+{
+    static const BitmapPalette aEmptyPalette;
+
+    if (!(m_pImage || m_pBuffer))
+        return nullptr;
+
+    BitmapBuffer* pBuffer = new BitmapBuffer;
+
+    if (m_pBuffer)
+    {
+        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::N1BitMsbPal | 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 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 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;
+    if (nMode == BitmapAccessMode::Write)
+        InvalidateChecksum();
+}
+
+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_uInt8 /*nTol*/)
+{
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */