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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 .
*/
#ifndef IOS
#include <sal/config.h>
#include <cstring>
#include "headless/svpbmp.hxx"
#include "headless/svpgdi.hxx"
#include "headless/svpinst.hxx"
#include <basegfx/vector/b2ivector.hxx>
#include <basegfx/range/b2ibox.hxx>
#include <vcl/salbtype.hxx>
#include <vcl/bitmap.hxx>
using namespace basegfx;
SvpSalBitmap::~SvpSalBitmap()
{
Destroy();
}
BitmapBuffer* ImplCreateDIB(
const Size& rSize,
sal_uInt16 nBitCount,
const BitmapPalette& rPal)
{
assert(
(nBitCount == 0
|| nBitCount == 1
|| nBitCount == 4
|| nBitCount == 8
|| nBitCount == 16
|| nBitCount == 24
|| nBitCount == 32)
&& "Unsupported BitCount!");
BitmapBuffer* pDIB = nullptr;
if( rSize.Width() && rSize.Height() )
{
try
{
pDIB = new BitmapBuffer;
}
catch (const std::bad_alloc&)
{
pDIB = nullptr;
}
if( pDIB )
{
const sal_uInt16 nColors = ( nBitCount <= 8 ) ? ( 1 << nBitCount ) : 0;
switch (nBitCount)
{
case 1:
pDIB->mnFormat = ScanlineFormat::N1BitLsbPal;
break;
case 4:
pDIB->mnFormat = ScanlineFormat::N4BitMsnPal;
break;
case 8:
pDIB->mnFormat = ScanlineFormat::N8BitPal;
break;
case 16:
{
#ifdef OSL_BIGENDIAN
pDIB->mnFormat= ScanlineFormat::N16BitTcMsbMask;
#else
pDIB->mnFormat= ScanlineFormat::N16BitTcLsbMask;
#endif
ColorMaskElement aRedMask(0xf800);
aRedMask.CalcMaskShift();
ColorMaskElement aGreenMask(0x07e0);
aGreenMask.CalcMaskShift();
ColorMaskElement aBlueMask(0x001f);
aBlueMask.CalcMaskShift();
pDIB->maColorMask = ColorMask(aRedMask, aGreenMask, aBlueMask);
break;
}
default:
nBitCount = 32;
SAL_FALLTHROUGH;
case 32:
{
pDIB->mnFormat = SVP_CAIRO_FORMAT;
break;
}
}
pDIB->mnFormat |= ScanlineFormat::TopDown;
pDIB->mnWidth = rSize.Width();
pDIB->mnHeight = rSize.Height();
pDIB->mnScanlineSize = AlignedWidth4Bytes( pDIB->mnWidth * nBitCount );
pDIB->mnBitCount = nBitCount;
if( nColors )
{
pDIB->maPalette = rPal;
pDIB->maPalette.SetEntryCount( nColors );
}
try
{
size_t size = pDIB->mnScanlineSize * pDIB->mnHeight;
pDIB->mpBits = new sal_uInt8[size];
#ifdef __SANITIZE_ADDRESS__
if (!pDIB->mpBits)
{ // can only happen with ASAN allocator_may_return_null=1
delete pDIB;
pDIB = nullptr;
}
else
#endif
{
std::memset(pDIB->mpBits, 0, size);
}
}
catch (const std::bad_alloc&)
{
delete pDIB;
pDIB = nullptr;
}
}
}
else
pDIB = nullptr;
return pDIB;
}
bool SvpSalBitmap::Create(BitmapBuffer *pBuf)
{
Destroy();
mpDIB = pBuf;
return mpDIB != nullptr;
}
bool SvpSalBitmap::Create(const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal)
{
Destroy();
mpDIB = ImplCreateDIB( rSize, nBitCount, rPal );
return mpDIB != nullptr;
}
bool SvpSalBitmap::Create(const SalBitmap& rBmp)
{
Destroy();
const SvpSalBitmap& rSalBmp = static_cast<const SvpSalBitmap&>(rBmp);
if (rSalBmp.mpDIB)
{
// TODO: reference counting...
mpDIB = new BitmapBuffer( *rSalBmp.mpDIB );
// TODO: get rid of this when BitmapBuffer gets copy constructor
try
{
size_t size = mpDIB->mnScanlineSize * mpDIB->mnHeight;
mpDIB->mpBits = new sal_uInt8[size];
std::memcpy(mpDIB->mpBits, rSalBmp.mpDIB->mpBits, size);
}
catch (const std::bad_alloc&)
{
delete mpDIB;
mpDIB = nullptr;
}
}
return !rSalBmp.mpDIB || (mpDIB != nullptr);
}
bool SvpSalBitmap::Create( const SalBitmap& /*rSalBmp*/,
SalGraphics* /*pGraphics*/ )
{
return false;
}
bool SvpSalBitmap::Create( const SalBitmap& /*rSalBmp*/,
sal_uInt16 /*nNewBitCount*/ )
{
return false;
}
bool SvpSalBitmap::Create( const css::uno::Reference< css::rendering::XBitmapCanvas >& /*xBitmapCanvas*/, Size& /*rSize*/, bool /*bMask*/ )
{
return false;
}
void SvpSalBitmap::Destroy()
{
if (mpDIB)
{
delete[] mpDIB->mpBits;
delete mpDIB;
mpDIB = nullptr;
}
}
Size SvpSalBitmap::GetSize() const
{
Size aSize;
if (mpDIB)
{
aSize.Width() = mpDIB->mnWidth;
aSize.Height() = mpDIB->mnHeight;
}
return aSize;
}
sal_uInt16 SvpSalBitmap::GetBitCount() const
{
sal_uInt16 nBitCount;
if (mpDIB)
nBitCount = mpDIB->mnBitCount;
else
nBitCount = 0;
return nBitCount;
}
BitmapBuffer* SvpSalBitmap::AcquireBuffer(BitmapAccessMode)
{
return mpDIB;
}
void SvpSalBitmap::ReleaseBuffer(BitmapBuffer*, BitmapAccessMode)
{
}
bool SvpSalBitmap::GetSystemData( BitmapSystemData& )
{
return false;
}
bool SvpSalBitmap::Scale( const double& /*rScaleX*/, const double& /*rScaleY*/, BmpScaleFlag /*nScaleFlag*/ )
{
return false;
}
bool SvpSalBitmap::Replace( const ::Color& /*rSearchColor*/, const ::Color& /*rReplaceColor*/, sal_uLong /*nTol*/ )
{
return false;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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