Files
libreoffice/basebmp/source/bitmapdevice.cxx
Stephan Bergmann c2ff1b9622 loplugin:nullptr (automatic rewrite)
Change-Id: Ic8d478162bcdcadd068a22c6344e947da3cd1eab
2015-11-10 10:31:16 +01:00

2257 lines
91 KiB
C++

/* -*- 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 <sal/config.h>
#include <cassert>
#include <string.h>
#include <basebmp/bitmapdevice.hxx>
#include <compositeiterator.hxx>
#include <iteratortraits.hxx>
#include <accessor.hxx>
#include <accessortraits.hxx>
#include <accessoradapters.hxx>
#include <colorblendaccessoradapter.hxx>
#include <basebmp/color.hxx>
#include <colormisc.hxx>
#include <colortraits.hxx>
#include <greylevelformats.hxx>
#include <paletteformats.hxx>
#include <rgbmaskpixelformats.hxx>
#include <rgb24pixelformats.hxx>
#include <basebmp/scanlineformats.hxx>
#include <fillimage.hxx>
#include <scaleimage.hxx>
#include <clippedlinerenderer.hxx>
#include <polypolygonrenderer.hxx>
#include <genericcolorimageaccessor.hxx>
#include <tools.hxx>
#include "intconversion.hxx"
#include <rtl/alloc.h>
#include <sal/log.hxx>
#include <osl/diagnose.h>
#include <o3tl/enumarray.hxx>
#include <basegfx/tools/tools.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <basegfx/range/b2ibox.hxx>
#include <basegfx/range/b2irange.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/point/b2ipoint.hxx>
#include <basegfx/vector/b2ivector.hxx>
#include <vigra/iteratortraits.hxx>
#include <vigra/rgbvalue.hxx>
#include <vigra/copyimage.hxx>
#include <vigra/tuple.hxx>
namespace vigra
{
/// componentwise xor of an RGBValue (missing from rgbvalue.hxx)
template< class Value, unsigned int RedIndex, unsigned int BlueIndex, unsigned int GreenIndex >
inline RGBValue<Value, RedIndex, GreenIndex, BlueIndex>
operator^( RGBValue<Value, RedIndex, GreenIndex, BlueIndex> const& lhs,
RGBValue<Value, RedIndex, GreenIndex, BlueIndex> const& rhs )
{
RGBValue<Value, RedIndex, GreenIndex, BlueIndex> res(
lhs[0] ^ rhs[0],
lhs[1] ^ rhs[1],
lhs[2] ^ rhs[2]);
return res;
}
}
namespace basebmp
{
static const o3tl::enumarray<Format,sal_uInt8> bitsPerPixel =
{
0, // NONE
1, // ONE_BIT_MSB_GREY
1, // ONE_BIT_LSB_GREY
1, // ONE_BIT_MSB_PAL
1, // ONE_BIT_LSB_PAL
4, // FOUR_BIT_MSB_GREY
4, // FOUR_BIT_LSB_GREY
4, // FOUR_BIT_MSB_PAL
4, // FOUR_BIT_LSB_PAL
8, // EIGHT_BIT_PAL
8, // EIGHT_BIT_GREY
16, // SIXTEEN_BIT_LSB_TC_MASK
16, // SIXTEEN_BIT_MSB_TC_MASK
24, // TWENTYFOUR_BIT_TC_MASK
32, // TWENTYFOUR_BIT_TC_MASK_BGRX
32, // THIRTYTWO_BIT_TC_MASK_BGRA
32, // THIRTYTWO_BIT_TC_MASK_ARGB
32, // THIRTYTWO_BIT_TC_MASK_ABGR
32, // THIRTYTWO_BIT_TC_MASK_RGBA
};
namespace
{
/** Create the type for an accessor that takes the (mask,bitmap)
input value generated from a JoinImageAccessorAdapter, and
pipe that through a mask functor.
@tpl DestAccessor
Destination bitmap accessor
@tpl JoinedAccessor
Input accessor, is expected to generate a std::pair as the
value type
@tpl MaskFunctorMode
Either FastMask or NoFastMask, depending on whether the mask
is guaranteed to contain only 0s and 1s.
*/
template< class DestAccessor,
class JoinedAccessor,
bool polarity,
typename MaskFunctorMode > struct masked_input_splitting_accessor
{
typedef BinarySetterFunctionAccessorAdapter<
DestAccessor,
BinaryFunctorSplittingWrapper<
typename outputMaskFunctorSelector<
typename JoinedAccessor::value_type::first_type,
typename JoinedAccessor::value_type::second_type,
polarity,
MaskFunctorMode >::type > > type;
};
// Actual BitmapDevice implementation (templatized by accessor and iterator)
/** Implementation of the BitmapDevice interface
@tpl DestIterator
Iterator to access bitmap memory
@tpl RawAccessor
Raw accessor, to access pixel values directly
@tpl AccessorSelector
Accessor adapter selector, which, when applying the nested
template metafunction wrap_accessor to one of the raw bitmap
accessors, yields a member type named 'type', which is a
wrapped accessor that map color values.
@tpl Masks
Traits template, containing nested traits
clipmask_format_traits and alphamask_format_traits, which
determine what specialized formats are to be used for clip and
alpha masks. With those mask formats, clipping and alpha
blending is handled natively.
*/
template< class DestIterator,
class RawAccessor,
class AccessorSelector,
class Masks > class BitmapRenderer :
public BitmapDevice
{
public:
typedef DestIterator dest_iterator_type;
typedef RawAccessor raw_accessor_type;
typedef AccessorSelector accessor_selector;
typedef typename Masks::clipmask_format_traits::iterator_type mask_iterator_type;
typedef typename Masks::clipmask_format_traits::raw_accessor_type mask_rawaccessor_type;
typedef typename Masks::clipmask_format_traits::accessor_selector mask_accessorselector_type;
typedef typename Masks::alphamask_format_traits::iterator_type alphamask_iterator_type;
typedef typename Masks::alphamask_format_traits::raw_accessor_type alphamask_rawaccessor_type;
typedef typename Masks::alphamask_format_traits::accessor_selector alphamask_accessorselector_type;
typedef typename AccessorSelector::template wrap_accessor<
raw_accessor_type >::type dest_accessor_type;
typedef AccessorTraits< dest_accessor_type > accessor_traits;
typedef CompositeIterator2D< dest_iterator_type,
mask_iterator_type > composite_iterator_type;
typedef CompositeIterator2D< vigra::Diff2D,
vigra::Diff2D > generic_composite_iterator_type;
typedef BitmapRenderer<mask_iterator_type,
mask_rawaccessor_type,
mask_accessorselector_type,
Masks> mask_bitmap_type;
typedef BitmapRenderer<alphamask_iterator_type,
alphamask_rawaccessor_type,
alphamask_accessorselector_type,
Masks> alphamask_bitmap_type;
typedef AccessorTraits< raw_accessor_type > raw_accessor_traits;
typedef typename uInt32Converter<
typename raw_accessor_type::value_type>::to to_uint32_functor;
typedef typename raw_accessor_traits::xor_accessor raw_xor_accessor_type;
typedef AccessorTraits<raw_xor_accessor_type> raw_xor_accessor_traits;
typedef typename accessor_selector::template wrap_accessor<
raw_xor_accessor_type >::type xor_accessor_type;
typedef AccessorTraits<xor_accessor_type> xor_accessor_traits;
typedef typename raw_accessor_traits::template masked_accessor<
mask_rawaccessor_type,
dest_iterator_type,
mask_iterator_type,
Masks::clipmask_polarity>::type raw_maskedaccessor_type;
typedef typename accessor_selector::template wrap_accessor<
raw_maskedaccessor_type >::type masked_accessor_type;
typedef typename AccessorTraits<
raw_maskedaccessor_type>::xor_accessor raw_maskedxor_accessor_type;
typedef typename accessor_selector::template wrap_accessor<
raw_maskedxor_accessor_type >::type masked_xoraccessor_type;
// ((iter,mask),mask) special case (e.g. for clipped
// drawMaskedColor())
typedef AccessorTraits< raw_maskedaccessor_type > raw_maskedaccessor_traits;
typedef typename raw_maskedaccessor_traits::template masked_accessor<
mask_rawaccessor_type,
composite_iterator_type,
mask_iterator_type,
Masks::clipmask_polarity>::type raw_maskedmask_accessor_type;
typedef CompositeIterator2D<
composite_iterator_type,
mask_iterator_type> composite_composite_mask_iterator_type;
typedef ConstantColorBlendSetterAccessorAdapter<
dest_accessor_type,
typename alphamask_rawaccessor_type::value_type,
Masks::alphamask_polarity> colorblend_accessor_type;
typedef AccessorTraits<colorblend_accessor_type> colorblend_accessor_traits;
typedef typename colorblend_accessor_traits::template masked_accessor<
mask_rawaccessor_type,
dest_iterator_type,
mask_iterator_type,
Masks::clipmask_polarity>::type masked_colorblend_accessor_type;
typedef ConstantColorBlendSetterAccessorAdapter<
dest_accessor_type,
Color,
Masks::alphamask_polarity> colorblend_generic_accessor_type;
typedef AccessorTraits<colorblend_generic_accessor_type> colorblend_generic_accessor_traits;
typedef typename colorblend_generic_accessor_traits::template masked_accessor<
mask_rawaccessor_type,
dest_iterator_type,
mask_iterator_type,
Masks::clipmask_polarity>::type masked_colorblend_generic_accessor_type;
typedef JoinImageAccessorAdapter< dest_accessor_type,
mask_rawaccessor_type > joined_image_accessor_type;
typedef JoinImageAccessorAdapter< GenericColorImageAccessor,
GenericColorImageAccessor > joined_generic_image_accessor_type;
dest_iterator_type maBegin;
typename accessor_traits::color_lookup maColorLookup;
IBitmapDeviceDamageTrackerSharedPtr mpDamage;
to_uint32_functor maToUInt32Converter;
dest_accessor_type maAccessor;
colorblend_accessor_type maColorBlendAccessor;
colorblend_generic_accessor_type maGenericColorBlendAccessor;
raw_accessor_type maRawAccessor;
xor_accessor_type maXorAccessor;
raw_xor_accessor_type maRawXorAccessor;
masked_accessor_type maMaskedAccessor;
masked_colorblend_accessor_type maMaskedColorBlendAccessor;
masked_colorblend_generic_accessor_type maGenericMaskedColorBlendAccessor;
masked_xoraccessor_type maMaskedXorAccessor;
raw_maskedaccessor_type maRawMaskedAccessor;
raw_maskedxor_accessor_type maRawMaskedXorAccessor;
raw_maskedmask_accessor_type maRawMaskedMaskAccessor;
BitmapRenderer( const basegfx::B2IBox& rBounds,
const basegfx::B2IVector& rBufferSize,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
sal_uInt8* pFirstScanline,
dest_iterator_type begin,
raw_accessor_type rawAccessor,
dest_accessor_type accessor,
const RawMemorySharedArray& rMem,
const PaletteMemorySharedVector& rPalette,
const IBitmapDeviceDamageTrackerSharedPtr& rDamage ) :
BitmapDevice( rBounds, rBufferSize, nScanlineFormat,
nScanlineStride, pFirstScanline, rMem, rPalette ),
maBegin( begin ),
maColorLookup(),
mpDamage(rDamage),
maToUInt32Converter(),
maAccessor( accessor ),
maColorBlendAccessor( accessor ),
maGenericColorBlendAccessor( accessor ),
maRawAccessor( rawAccessor ),
maXorAccessor( accessor ),
maRawXorAccessor( rawAccessor ),
maMaskedAccessor( accessor ),
maMaskedColorBlendAccessor( maColorBlendAccessor ),
maGenericMaskedColorBlendAccessor( maGenericColorBlendAccessor ),
maMaskedXorAccessor( accessor ),
maRawMaskedAccessor( rawAccessor ),
maRawMaskedXorAccessor( rawAccessor ),
maRawMaskedMaskAccessor( rawAccessor )
{}
private:
void damaged( const basegfx::B2IBox& rDamageRect ) const
{
if( mpDamage )
mpDamage->damaged( rDamageRect );
}
void damagedPointSize( const basegfx::B2IPoint& rPoint,
const basegfx::B2IBox& rSize ) const
{
if( mpDamage ) {
basegfx::B2IPoint aLower( rPoint.getX() + rSize.getWidth(),
rPoint.getY() + rSize.getHeight() );
damaged( basegfx::B2IBox( rPoint, aLower ) );
}
}
void damagedPixel( const basegfx::B2IPoint& rDamagePoint ) const
{
if (!mpDamage)
return;
sal_Int32 nX(rDamagePoint.getX());
sal_Int32 nY(rDamagePoint.getY());
if (nX < SAL_MAX_INT32)
++nX;
if (nY < SAL_MAX_INT32)
++nY;
basegfx::B2IPoint aEnd( nX, nY );
damaged( basegfx::B2IBox( rDamagePoint, aEnd ) );
}
static std::shared_ptr<BitmapRenderer> getCompatibleBitmap( const BitmapDeviceSharedPtr& bmp )
{
return std::dynamic_pointer_cast< BitmapRenderer >( bmp );
}
virtual bool isCompatibleBitmap( const BitmapDeviceSharedPtr& bmp ) const override
{
// TODO(P1): dynamic_cast usually called twice for
// compatible formats
return getCompatibleBitmap(bmp).get() != NULL;
}
std::shared_ptr<mask_bitmap_type> getCompatibleClipMask( const BitmapDeviceSharedPtr& bmp ) const
{
std::shared_ptr<mask_bitmap_type> pMask( std::dynamic_pointer_cast<mask_bitmap_type>( bmp ));
if( !pMask )
return pMask;
if( pMask->getSize() != getSize() )
pMask.reset();
return pMask;
}
virtual bool isCompatibleClipMask( const BitmapDeviceSharedPtr& bmp ) const override
{
// TODO(P1): dynamic_cast usually called twice for
// compatible formats
return std::dynamic_pointer_cast<mask_bitmap_type>( bmp ).get() != NULL;
}
static std::shared_ptr<alphamask_bitmap_type> getCompatibleAlphaMask( const BitmapDeviceSharedPtr& bmp )
{
return std::dynamic_pointer_cast<alphamask_bitmap_type>( bmp );
}
virtual void clear_i( Color fillColor,
const basegfx::B2IBox& rBounds ) override
{
fillImage(destIterRange(maBegin,
maRawAccessor,
rBounds),
maColorLookup(
maAccessor,
fillColor) );
damaged( rBounds );
}
virtual void setPixel_i( const basegfx::B2IPoint& rPt,
Color pixelColor,
DrawMode drawMode ) override
{
const DestIterator pixel( maBegin +
vigra::Diff2D(rPt.getX(),
rPt.getY()) );
if( drawMode == DrawMode::XOR )
maXorAccessor.set( pixelColor,
pixel );
else
maAccessor.set( pixelColor,
pixel );
damagedPixel(rPt);
}
virtual void setPixel_i( const basegfx::B2IPoint& rPt,
Color pixelColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip ) override
{
std::shared_ptr<mask_bitmap_type> pMask( getCompatibleClipMask(rClip) );
OSL_ASSERT( pMask );
const vigra::Diff2D offset(rPt.getX(),
rPt.getY());
const composite_iterator_type aIter(
maBegin + offset,
pMask->maBegin + offset );
if( drawMode == DrawMode::XOR )
maMaskedXorAccessor.set( pixelColor,
aIter );
else
maMaskedAccessor.set( pixelColor,
aIter );
damagedPixel(rPt);
}
virtual Color getPixel_i(const basegfx::B2IPoint& rPt ) override
{
const DestIterator pixel( maBegin +
vigra::Diff2D(rPt.getX(),
rPt.getY()) );
return maAccessor(pixel);
}
virtual sal_uInt32 getPixelData_i( const basegfx::B2IPoint& rPt ) override
{
const DestIterator pixel( maBegin +
vigra::Diff2D(rPt.getX(),
rPt.getY()) );
return maToUInt32Converter(maRawAccessor(pixel));
}
template< typename Iterator, typename Col, typename RawAcc >
void implRenderLine2( const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
const basegfx::B2IBox& rBounds,
Col col,
const Iterator& begin,
const RawAcc& rawAcc )
{
renderClippedLine( rPt1,
rPt2,
rBounds,
col,
begin,
rawAcc );
if (!mpDamage)
return;
// TODO(P2): perhaps this needs pushing up the stack a bit
// to make more complex polygons more efficient ...
basegfx::B2IBox aBounds(rPt1, rPt2 );
const basegfx::B2IPoint& rEnd = aBounds.getMaximum();
sal_Int32 nX(rEnd.getX());
sal_Int32 nY(rEnd.getY());
if (nX < SAL_MAX_INT32)
++nX;
if (nY < SAL_MAX_INT32)
++nY;
basegfx::B2IBox aDamagedBox(aBounds.getMinimum(), basegfx::B2IPoint(nX, nY));
damaged(aDamagedBox);
}
template< typename Iterator, typename Accessor, typename RawAcc >
void implRenderLine( const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
const basegfx::B2IBox& rBounds,
Color col,
const Iterator& begin,
const Accessor& acc,
const RawAcc& rawAcc )
{
implRenderLine2( rPt1,rPt2,rBounds,
maColorLookup( acc,
col ),
begin,
rawAcc );
}
template< typename Iterator, typename RawAcc, typename XorAcc >
void implDrawLine( const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
const basegfx::B2IBox& rBounds,
Color col,
const Iterator& begin,
const RawAcc& rawAcc,
const XorAcc& xorAcc,
DrawMode drawMode )
{
if( drawMode == DrawMode::XOR )
implRenderLine( rPt1, rPt2, rBounds, col,
begin, maAccessor, xorAcc );
else
implRenderLine( rPt1, rPt2, rBounds, col,
begin, maAccessor, rawAcc );
}
virtual void drawLine_i(const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
const basegfx::B2IBox& rBounds,
Color lineColor,
DrawMode drawMode ) override
{
implDrawLine(rPt1,rPt2,rBounds,lineColor,
maBegin,
maRawAccessor,maRawXorAccessor,drawMode);
}
composite_iterator_type getMaskedIter( const BitmapDeviceSharedPtr& rClip ) const
{
std::shared_ptr<mask_bitmap_type> pMask( getCompatibleClipMask(rClip) );
OSL_ASSERT( pMask );
return composite_iterator_type( maBegin,
pMask->maBegin );
}
virtual void drawLine_i(const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
const basegfx::B2IBox& rBounds,
Color lineColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip ) override
{
implDrawLine(rPt1,rPt2,rBounds,lineColor,
getMaskedIter(rClip),
maRawMaskedAccessor,
maRawMaskedXorAccessor,drawMode);
}
template< typename Iterator, typename RawAcc >
void implDrawPolygon( const basegfx::B2DPolygon& rPoly,
const basegfx::B2IBox& rBounds,
Color col,
const Iterator& begin,
const RawAcc& acc )
{
basegfx::B2DPolygon aPoly( rPoly );
if( rPoly.areControlPointsUsed() )
aPoly = basegfx::tools::adaptiveSubdivideByCount( rPoly );
const typename dest_iterator_type::value_type colorIndex( maColorLookup(
maAccessor,
col));
const sal_uInt32 nVertices( aPoly.count() );
for( sal_uInt32 i=1; i<nVertices; ++i )
implRenderLine2( basegfx::fround(aPoly.getB2DPoint(i-1)),
basegfx::fround(aPoly.getB2DPoint(i)),
rBounds,
colorIndex,
begin,
acc );
if( nVertices > 1 && aPoly.isClosed() )
implRenderLine2( basegfx::fround(aPoly.getB2DPoint(nVertices-1)),
basegfx::fround(aPoly.getB2DPoint(0)),
rBounds,
colorIndex,
begin,
acc );
}
virtual void drawPolygon_i(const basegfx::B2DPolygon& rPoly,
const basegfx::B2IBox& rBounds,
Color lineColor,
DrawMode drawMode ) override
{
if( drawMode == DrawMode::XOR )
implDrawPolygon( rPoly, rBounds, lineColor,
maBegin,
maRawXorAccessor );
else
implDrawPolygon( rPoly, rBounds, lineColor,
maBegin,
maRawAccessor );
}
virtual void drawPolygon_i(const basegfx::B2DPolygon& rPoly,
const basegfx::B2IBox& rBounds,
Color lineColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip ) override
{
if( drawMode == DrawMode::XOR )
implDrawPolygon( rPoly, rBounds, lineColor,
getMaskedIter(rClip),
maRawMaskedXorAccessor );
else
implDrawPolygon( rPoly, rBounds, lineColor,
getMaskedIter(rClip),
maRawMaskedAccessor );
}
template< typename Iterator, typename RawAcc >
void implFillPolyPolygon( const basegfx::B2DPolyPolygon& rPoly,
Color col,
const Iterator& begin,
const RawAcc& acc,
const basegfx::B2IBox& rBounds )
{
basegfx::B2DPolyPolygon aPoly( rPoly );
if( rPoly.areControlPointsUsed() )
aPoly = basegfx::tools::adaptiveSubdivideByCount( rPoly );
renderClippedPolyPolygon( begin,
acc,
maColorLookup( maAccessor,
col),
rBounds,
aPoly,
basegfx::FillRule::EvenOdd );
if( mpDamage )
{
basegfx::B2DRange const aPolyBounds( basegfx::tools::getRange(aPoly) );
damaged( basegfx::unotools::b2ISurroundingBoxFromB2DRange( aPolyBounds ) );
}
}
virtual void fillPolyPolygon_i(const basegfx::B2DPolyPolygon& rPoly,
Color fillColor,
DrawMode drawMode,
const basegfx::B2IBox& rBounds ) override
{
if( drawMode == DrawMode::XOR )
implFillPolyPolygon( rPoly, fillColor,
maBegin,
maRawXorAccessor,
rBounds );
else
implFillPolyPolygon( rPoly, fillColor,
maBegin,
maRawAccessor,
rBounds );
}
virtual void fillPolyPolygon_i(const basegfx::B2DPolyPolygon& rPoly,
Color fillColor,
DrawMode drawMode,
const basegfx::B2IBox& rBounds,
const BitmapDeviceSharedPtr& rClip ) override
{
if( drawMode == DrawMode::XOR )
implFillPolyPolygon( rPoly, fillColor,
getMaskedIter(rClip),
maRawMaskedXorAccessor,
rBounds );
else
implFillPolyPolygon( rPoly, fillColor,
getMaskedIter(rClip),
maRawMaskedAccessor,
rBounds );
}
template< typename Iterator, typename RawAcc >
void implDrawBitmap(const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
const Iterator& begin,
const RawAcc& acc)
{
std::shared_ptr<BitmapRenderer> pSrcBmp( getCompatibleBitmap(rSrcBitmap) );
OSL_ASSERT( pSrcBmp );
scaleImage(
srcIterRange(pSrcBmp->maBegin,
pSrcBmp->maRawAccessor,
rSrcRect),
destIterRange(begin,
acc,
rDstRect),
isSharedBuffer(rSrcBitmap) );
damaged( rDstRect );
}
template< typename Iterator, typename Acc >
void implDrawBitmapGeneric(const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
const Iterator& begin,
const Acc& acc)
{
GenericColorImageAccessor aSrcAcc( rSrcBitmap );
scaleImage(
srcIterRange(vigra::Diff2D(),
aSrcAcc,
rSrcRect),
destIterRange(begin,
acc,
rDstRect));
damaged( rDstRect );
}
void implDrawBitmapDirect(const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect)
{
sal_Int32 nSrcX = rSrcRect.getMinX();
sal_Int32 nSrcY = rSrcRect.getMinY();
sal_Int32 nSrcWidth = rSrcRect.getWidth();
sal_Int32 nSrcHeight = rSrcRect.getHeight();
sal_Int32 nDestX = rDstRect.getMinX();
sal_Int32 nDestY = rDstRect.getMinY();
char* dstBuf = reinterpret_cast<char*>(getBuffer().get());
char* srcBuf = reinterpret_cast<char*>(rSrcBitmap->getBuffer().get());
sal_Int32 dstStride = getScanlineStride();
sal_Int32 srcStride = rSrcBitmap->getScanlineStride();
sal_Int32 bytesPerPixel = (bitsPerPixel[getScanlineFormat()] + 7) >> 3; // round up to bytes
bool dstTopDown = isTopDown();
bool srcTopDown = rSrcBitmap->isTopDown();
if (dstBuf == srcBuf && nSrcY < nDestY) // reverse copy order to avoid overlapping
{
nSrcY = getBufferSize().getY() - nSrcY - nSrcHeight;
nDestY = getBufferSize().getY() - nDestY - nSrcHeight;
srcTopDown = !srcTopDown;
dstTopDown = !dstTopDown;
}
if (!dstTopDown)
{
dstBuf += dstStride * (getBufferSize().getY() - 1);
dstStride = -dstStride;
}
if (!srcTopDown)
{
srcBuf += srcStride * (rSrcBitmap->getBufferSize().getY() - 1);
srcStride = -srcStride;
}
char* dstline = dstBuf + dstStride * nDestY + nDestX * bytesPerPixel;
char* srcline = srcBuf + srcStride * nSrcY + nSrcX * bytesPerPixel;
sal_Int32 lineBytes = nSrcWidth * bytesPerPixel;
for(; 0 < nSrcHeight; nSrcHeight--)
{
memmove(dstline, srcline, lineBytes);
dstline += dstStride;
srcline += srcStride;
}
}
virtual void drawBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode ) override
{
if( isCompatibleBitmap( rSrcBitmap ) )
{
if( drawMode == DrawMode::XOR )
implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect,
maBegin,
maRawXorAccessor);
else if (bitsPerPixel[getScanlineFormat()] >= 8
&& rSrcRect.getWidth() == rDstRect.getWidth() && rSrcRect.getHeight() == rDstRect.getHeight()
&& rSrcBitmap->getScanlineFormat() == getScanlineFormat())
implDrawBitmapDirect(rSrcBitmap, rSrcRect, rDstRect);
else
implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect,
maBegin,
maRawAccessor);
}
else
{
if( drawMode == DrawMode::XOR )
implDrawBitmapGeneric(rSrcBitmap, rSrcRect, rDstRect,
maBegin,
maXorAccessor);
else
implDrawBitmapGeneric(rSrcBitmap, rSrcRect, rDstRect,
maBegin,
maAccessor);
}
damaged( rDstRect );
}
virtual void drawBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip ) override
{
if( isCompatibleBitmap( rSrcBitmap ) )
{
if( drawMode == DrawMode::XOR )
implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect,
getMaskedIter(rClip),
maRawMaskedXorAccessor);
else
implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect,
getMaskedIter(rClip),
maRawMaskedAccessor);
}
else
{
if( drawMode == DrawMode::XOR )
implDrawBitmapGeneric(rSrcBitmap, rSrcRect, rDstRect,
getMaskedIter(rClip),
maMaskedXorAccessor);
else
implDrawBitmapGeneric(rSrcBitmap, rSrcRect, rDstRect,
getMaskedIter(rClip),
maMaskedAccessor);
}
damaged( rDstRect );
}
virtual void drawMaskedColor_i(Color aSrcColor,
const BitmapDeviceSharedPtr& rAlphaMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IPoint& rDstPoint ) override
{
std::shared_ptr<mask_bitmap_type> pMask( getCompatibleClipMask(rAlphaMask) );
std::shared_ptr<alphamask_bitmap_type> pAlpha( getCompatibleAlphaMask(rAlphaMask) );
if( pAlpha )
{
maColorBlendAccessor.setColor( aSrcColor );
vigra::copyImage( srcIterRange(pAlpha->maBegin,
pAlpha->maRawAccessor,
rSrcRect),
destIter(maBegin,
maColorBlendAccessor,
rDstPoint) );
}
else if( pMask )
{
const composite_iterator_type aBegin(
maBegin + vigra::Diff2D(rDstPoint.getX(),
rDstPoint.getY()),
pMask->maBegin + topLeft(rSrcRect) );
fillImage(aBegin,
aBegin + vigra::Diff2D(rSrcRect.getWidth(),
rSrcRect.getHeight()),
maRawMaskedAccessor,
maColorLookup(
maAccessor,
aSrcColor) );
}
else
{
GenericColorImageAccessor aSrcAcc( rAlphaMask );
maGenericColorBlendAccessor.setColor( aSrcColor );
vigra::copyImage( srcIterRange(vigra::Diff2D(),
aSrcAcc,
rSrcRect),
destIter(maBegin,
maGenericColorBlendAccessor,
rDstPoint) );
}
damagedPointSize( rDstPoint, rSrcRect );
}
virtual void drawMaskedColor_i(Color aSrcColor,
const BitmapDeviceSharedPtr& rAlphaMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IPoint& rDstPoint,
const BitmapDeviceSharedPtr& rClip ) override
{
std::shared_ptr<mask_bitmap_type> pMask( getCompatibleClipMask(rAlphaMask) );
std::shared_ptr<alphamask_bitmap_type> pAlpha( getCompatibleAlphaMask(rAlphaMask) );
if( pAlpha )
{
const composite_iterator_type aBegin( getMaskedIter(rClip) );
maMaskedColorBlendAccessor.get1stWrappedAccessor().setColor(
aSrcColor );
vigra::copyImage( srcIterRange(pAlpha->maBegin,
pAlpha->maRawAccessor,
rSrcRect),
destIter(aBegin,
maMaskedColorBlendAccessor,
rDstPoint) );
}
else if( pMask )
{
std::shared_ptr<mask_bitmap_type> pClipMask( getCompatibleClipMask(rClip) );
OSL_ASSERT( pClipMask );
// setup a ((iter,mask),clipMask) composite composite
// iterator, to pass both masks (clip and alpha mask)
// to the algorithm
const composite_composite_mask_iterator_type aBegin(
composite_iterator_type(
maBegin + vigra::Diff2D(rDstPoint.getX(),
rDstPoint.getY()),
pMask->maBegin + topLeft(rSrcRect)),
pClipMask->maBegin + vigra::Diff2D(rDstPoint.getX(),
rDstPoint.getY()) );
fillImage(aBegin,
aBegin + vigra::Diff2D(rSrcRect.getWidth(),
rSrcRect.getHeight()),
maRawMaskedMaskAccessor,
maColorLookup(
maAccessor,
aSrcColor) );
}
else
{
GenericColorImageAccessor aSrcAcc( rAlphaMask );
const composite_iterator_type aBegin( getMaskedIter(rClip) );
maGenericMaskedColorBlendAccessor.get1stWrappedAccessor().setColor(
aSrcColor );
vigra::copyImage( srcIterRange(vigra::Diff2D(),
aSrcAcc,
rSrcRect),
destIter(aBegin,
maGenericMaskedColorBlendAccessor,
rDstPoint) );
}
damagedPointSize( rDstPoint, rSrcRect );
}
template< typename Iterator, typename Acc >
void implDrawMaskedBitmap(const BitmapDeviceSharedPtr& rSrcBitmap,
const BitmapDeviceSharedPtr& rMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
const Iterator& begin,
const Acc& acc)
{
std::shared_ptr<BitmapRenderer> pSrcBmp( getCompatibleBitmap(rSrcBitmap) );
std::shared_ptr<mask_bitmap_type> pMask( getCompatibleClipMask(rMask) );
OSL_ASSERT( pMask && pSrcBmp );
scaleImage(
srcIterRange(composite_iterator_type(
pSrcBmp->maBegin,
pMask->maBegin),
joined_image_accessor_type(
pSrcBmp->maAccessor,
pMask->maRawAccessor),
rSrcRect),
destIterRange(begin,
typename masked_input_splitting_accessor<
Acc,
joined_image_accessor_type,
Masks::clipmask_polarity,
FastMask >::type(acc),
rDstRect),
isSharedBuffer(rSrcBitmap));
damaged( rDstRect );
}
template< typename Iterator, typename Acc >
void implDrawMaskedBitmapGeneric(const BitmapDeviceSharedPtr& rSrcBitmap,
const BitmapDeviceSharedPtr& rMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
const Iterator& begin,
const Acc& acc)
{
GenericColorImageAccessor aSrcAcc( rSrcBitmap );
GenericColorImageAccessor aMaskAcc( rMask );
const vigra::Diff2D aTopLeft(rSrcRect.getMinX(),
rSrcRect.getMinY());
const vigra::Diff2D aBottomRight(rSrcRect.getMaxX(),
rSrcRect.getMaxY());
scaleImage(
vigra::make_triple(
generic_composite_iterator_type(
aTopLeft,aTopLeft),
generic_composite_iterator_type(
aBottomRight,aBottomRight),
joined_generic_image_accessor_type(
aSrcAcc,
aMaskAcc)),
destIterRange(begin,
typename masked_input_splitting_accessor<
Acc,
joined_generic_image_accessor_type,
Masks::clipmask_polarity,
NoFastMask >::type(acc),
rDstRect));
damaged( rDstRect );
}
virtual void drawMaskedBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
const BitmapDeviceSharedPtr& rMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode ) override
{
if( isCompatibleClipMask(rMask) &&
isCompatibleBitmap(rSrcBitmap) )
{
if( drawMode == DrawMode::XOR )
implDrawMaskedBitmap(rSrcBitmap, rMask,
rSrcRect, rDstRect,
maBegin,
maXorAccessor);
else
implDrawMaskedBitmap(rSrcBitmap, rMask,
rSrcRect, rDstRect,
maBegin,
maAccessor);
}
else
{
if( drawMode == DrawMode::XOR )
implDrawMaskedBitmapGeneric(rSrcBitmap, rMask,
rSrcRect, rDstRect,
maBegin,
maXorAccessor);
else
implDrawMaskedBitmapGeneric(rSrcBitmap, rMask,
rSrcRect, rDstRect,
maBegin,
maAccessor);
}
damaged( rDstRect );
}
virtual void drawMaskedBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
const BitmapDeviceSharedPtr& rMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip ) override
{
if( isCompatibleClipMask(rMask) &&
isCompatibleBitmap(rSrcBitmap) )
{
if( drawMode == DrawMode::XOR )
implDrawMaskedBitmap(rSrcBitmap, rMask,
rSrcRect, rDstRect,
getMaskedIter(rClip),
maMaskedXorAccessor);
else
implDrawMaskedBitmap(rSrcBitmap, rMask,
rSrcRect, rDstRect,
getMaskedIter(rClip),
maMaskedAccessor);
}
else
{
if( drawMode == DrawMode::XOR )
implDrawMaskedBitmapGeneric(rSrcBitmap, rMask,
rSrcRect, rDstRect,
getMaskedIter(rClip),
maMaskedXorAccessor);
else
implDrawMaskedBitmapGeneric(rSrcBitmap, rMask,
rSrcRect, rDstRect,
getMaskedIter(rClip),
maMaskedAccessor);
}
damaged( rDstRect );
}
IBitmapDeviceDamageTrackerSharedPtr getDamageTracker_i() const override
{
return mpDamage;
}
void setDamageTracker_i( const IBitmapDeviceDamageTrackerSharedPtr& rDamage ) override
{
mpDamage = rDamage;
}
};
} // namespace
struct ImplBitmapDevice
{
/** Bitmap memory plus deleter.
Always points to the start of the mem
*/
RawMemorySharedArray mpMem;
/// Palette memory plus deleter (might be NULL)
PaletteMemorySharedVector mpPalette;
/** Bounds of the device.
maBounds.getWidth()/getHeight() yield the true size of the
device (i.e. the rectangle given by maBounds covers the device
area under the including-the-bottommost-and-rightmost-pixels
fill rule)
*/
basegfx::B2IBox maBounds;
//// Size of the actual frame buffer
basegfx::B2IVector maBufferSize;
/// Scanline format, as provided at the constructor
Format mnScanlineFormat;
/// Scanline stride. Negative for bottom-to-top formats
sal_Int32 mnScanlineStride;
/// raw ptr to 0th scanline. used for cloning a generic renderer
sal_uInt8* mpFirstScanline;
/** (Optional) device sharing the same memory, and used for input
clip masks/alpha masks/bitmaps that don't match our exact
bitmap format.
This is to avoid the combinatorical explosion when dealing
with n bitmap formats, which could be combined with n clip
masks, alpha masks and bitmap masks (yielding a total of n^4
combinations). Since each BitmapRenderer is specialized for
one specific combination of said formats, a lot of duplicate
code would be generated, most of which probably never
used. Therefore, only the most common combinations are
specialized templates, the remainder gets handled by this
generic renderer (via runtime polymorphism).
*/
BitmapDeviceSharedPtr mpGenericRenderer;
};
BitmapDevice::BitmapDevice( const basegfx::B2IBox& rBounds,
const basegfx::B2IVector& rBufferSize,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
sal_uInt8* pFirstScanline,
const RawMemorySharedArray& rMem,
const PaletteMemorySharedVector& rPalette ) :
mpImpl( new ImplBitmapDevice )
{
mpImpl->mpMem = rMem;
mpImpl->mpPalette = rPalette;
mpImpl->maBounds = rBounds;
mpImpl->maBufferSize = rBufferSize;
mpImpl->mnScanlineFormat = nScanlineFormat;
mpImpl->mnScanlineStride = nScanlineStride;
mpImpl->mpFirstScanline = pFirstScanline;
}
BitmapDevice::~BitmapDevice()
{
// outline, because of internal ImplBitmapDevice
SAL_INFO( "basebmp.bitmapdevice", "~BitmapDevice(" << this << ")" );
}
basegfx::B2IVector BitmapDevice::getSize() const
{
return basegfx::B2IVector(
mpImpl->maBounds.getMaxX() - mpImpl->maBounds.getMinX(),
mpImpl->maBounds.getMaxY() - mpImpl->maBounds.getMinY() );
}
bool BitmapDevice::isTopDown() const
{
return mpImpl->mnScanlineStride >= 0;
}
basegfx::B2IVector BitmapDevice::getBufferSize() const
{
return mpImpl->maBufferSize;
}
Format BitmapDevice::getScanlineFormat() const
{
return mpImpl->mnScanlineFormat;
}
sal_Int32 BitmapDevice::getScanlineStride() const
{
return mpImpl->mnScanlineStride < 0 ?
-mpImpl->mnScanlineStride : mpImpl->mnScanlineStride;
}
RawMemorySharedArray BitmapDevice::getBuffer() const
{
return mpImpl->mpMem;
}
IBitmapDeviceDamageTrackerSharedPtr BitmapDevice::getDamageTracker() const
{
return getDamageTracker_i();
}
void BitmapDevice::setDamageTracker( const IBitmapDeviceDamageTrackerSharedPtr& rDamage )
{
setDamageTracker_i(rDamage);
}
PaletteMemorySharedVector BitmapDevice::getPalette() const
{
return mpImpl->mpPalette;
}
bool BitmapDevice::isSharedBuffer( const BitmapDeviceSharedPtr& rOther ) const
{
return rOther.get()->getBuffer().get() == getBuffer().get();
}
void BitmapDevice::clear( Color fillColor )
{
clear_i( fillColor, mpImpl->maBounds );
}
void BitmapDevice::setPixel( const basegfx::B2IPoint& rPt,
Color lineColor,
DrawMode drawMode )
{
if( mpImpl->maBounds.isInside(rPt) )
setPixel_i(rPt,lineColor,drawMode);
}
void BitmapDevice::setPixel( const basegfx::B2IPoint& rPt,
Color lineColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
setPixel(rPt,lineColor,drawMode);
return;
}
if( mpImpl->maBounds.isInside(rPt) )
{
if( isCompatibleClipMask( rClip ) )
setPixel_i(rPt,lineColor,drawMode,rClip);
else
getGenericRenderer()->setPixel( rPt, lineColor, drawMode, rClip );
}
}
Color BitmapDevice::getPixel( const basegfx::B2IPoint& rPt )
{
if( mpImpl->maBounds.isInside(rPt) )
return getPixel_i(rPt);
return Color();
}
sal_uInt32 BitmapDevice::getPixelData( const basegfx::B2IPoint& rPt )
{
if( mpImpl->maBounds.isInside(rPt) )
return getPixelData_i(rPt);
return 0;
}
void BitmapDevice::drawLine( const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
Color lineColor,
DrawMode drawMode )
{
drawLine_i( rPt1,
rPt2,
mpImpl->maBounds,
lineColor,
drawMode );
}
void BitmapDevice::drawLine( const basegfx::B2IPoint& rPt1,
const basegfx::B2IPoint& rPt2,
Color lineColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
drawLine(rPt1,rPt2,lineColor,drawMode);
return;
}
if( isCompatibleClipMask( rClip ) )
drawLine_i( rPt1,
rPt2,
mpImpl->maBounds,
lineColor,
drawMode,
rClip );
else
getGenericRenderer()->drawLine( rPt1, rPt2, lineColor,
drawMode, rClip );
}
void BitmapDevice::drawPolygon( const basegfx::B2DPolygon& rPoly,
Color lineColor,
DrawMode drawMode )
{
const sal_uInt32 numVertices( rPoly.count() );
if( numVertices )
drawPolygon_i( rPoly,
mpImpl->maBounds,
lineColor, drawMode );
}
void BitmapDevice::drawPolygon( const basegfx::B2DPolygon& rPoly,
Color lineColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
drawPolygon(rPoly,lineColor,drawMode);
return;
}
const sal_uInt32 numVertices( rPoly.count() );
if( numVertices )
{
if( isCompatibleClipMask( rClip ) )
drawPolygon_i( rPoly,
mpImpl->maBounds,
lineColor, drawMode, rClip );
else
getGenericRenderer()->drawPolygon( rPoly, lineColor,
drawMode, rClip );
}
}
void BitmapDevice::fillPolyPolygon( const basegfx::B2DPolyPolygon& rPoly,
Color fillColor,
DrawMode drawMode )
{
fillPolyPolygon_i( rPoly, fillColor, drawMode, mpImpl->maBounds );
}
void BitmapDevice::fillPolyPolygon( const basegfx::B2DPolyPolygon& rPoly,
Color fillColor,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
fillPolyPolygon(rPoly,fillColor,drawMode);
return;
}
if( isCompatibleClipMask( rClip ) )
fillPolyPolygon_i( rPoly, fillColor, drawMode, mpImpl->maBounds, rClip );
else
getGenericRenderer()->fillPolyPolygon( rPoly, fillColor,
drawMode, rClip );
}
namespace
{
void assertImagePoint( const basegfx::B2IPoint& rPt,
const basegfx::B2IBox& rPermittedRange )
{
(void)rPt; (void)rPermittedRange;
OSL_ASSERT( rPermittedRange.isInside(rPt) );
}
void assertImageRange( const basegfx::B2IBox& rRange,
const basegfx::B2IBox& rPermittedRange )
{
#if OSL_DEBUG_LEVEL > 0
basegfx::B2IBox aRange( rRange );
aRange.intersect( rPermittedRange );
OSL_ASSERT( aRange == rRange );
#else
(void)rRange; (void)rPermittedRange;
#endif
}
// TODO(Q3): Move canvas/canvastools.hxx clipBlit() down
// to basegfx, and use here!
bool clipAreaImpl( ::basegfx::B2IBox& io_rSourceArea,
::basegfx::B2IPoint& io_rDestPoint,
const ::basegfx::B2IBox& rSourceBounds,
const ::basegfx::B2IBox& rDestBounds )
{
const ::basegfx::B2IPoint aSourceTopLeft(
io_rSourceArea.getMinimum() );
::basegfx::B2IBox aLocalSourceArea( io_rSourceArea );
// clip source area (which must be inside rSourceBounds)
aLocalSourceArea.intersect( rSourceBounds );
if( aLocalSourceArea.isEmpty() )
return false;
// calc relative new source area points (relative to orig
// source area)
const ::basegfx::B2IVector aUpperLeftOffset(
aLocalSourceArea.getMinimum()-aSourceTopLeft );
const ::basegfx::B2IVector aLowerRightOffset(
aLocalSourceArea.getMaximum()-aSourceTopLeft );
::basegfx::B2IBox aLocalDestArea( io_rDestPoint + aUpperLeftOffset,
io_rDestPoint + aLowerRightOffset );
// clip dest area (which must be inside rDestBounds)
aLocalDestArea.intersect( rDestBounds );
if( aLocalDestArea.isEmpty() )
return false;
// calc relative new dest area points (relative to orig
// source area)
const ::basegfx::B2IVector aDestUpperLeftOffset(
aLocalDestArea.getMinimum()-io_rDestPoint );
const ::basegfx::B2IVector aDestLowerRightOffset(
aLocalDestArea.getMaximum()-io_rDestPoint );
io_rSourceArea = ::basegfx::B2IBox( aSourceTopLeft + aDestUpperLeftOffset,
aSourceTopLeft + aDestLowerRightOffset );
io_rDestPoint = aLocalDestArea.getMinimum();
return true;
}
// TODO(Q3): Move canvas/canvastools.hxx clipBlit() down
// to basegfx, and use here!
bool clipAreaImpl( ::basegfx::B2IBox& io_rDestArea,
::basegfx::B2IBox& io_rSourceArea,
const ::basegfx::B2IBox& rDestBounds,
const ::basegfx::B2IBox& rSourceBounds )
{
// extract inherent scale
double fWidth = io_rSourceArea.getWidth();
if (fWidth == 0.0)
return false;
double fHeight = io_rSourceArea.getHeight();
if (fHeight == 0.0)
return false;
const double nScaleX( io_rDestArea.getWidth() / fWidth );
const double nScaleY( io_rDestArea.getHeight() / fHeight );
// extract range origins
const basegfx::B2IPoint aDestTopLeft(
io_rDestArea.getMinimum() );
const ::basegfx::B2IPoint aSourceTopLeft(
io_rSourceArea.getMinimum() );
::basegfx::B2IBox aLocalSourceArea( io_rSourceArea );
// clip source area (which must be inside rSourceBounds)
aLocalSourceArea.intersect( rSourceBounds );
if( aLocalSourceArea.isEmpty() )
return false;
// calc relative new source area points (relative to orig
// source area)
const ::basegfx::B2IVector aUpperLeftOffset(
aLocalSourceArea.getMinimum()-aSourceTopLeft );
const ::basegfx::B2IVector aLowerRightOffset(
aLocalSourceArea.getMaximum()-aSourceTopLeft );
::basegfx::B2IBox aLocalDestArea( basegfx::fround(aDestTopLeft.getX() + nScaleX*aUpperLeftOffset.getX()),
basegfx::fround(aDestTopLeft.getY() + nScaleY*aUpperLeftOffset.getY()),
basegfx::fround(aDestTopLeft.getX() + nScaleX*aLowerRightOffset.getX()),
basegfx::fround(aDestTopLeft.getY() + nScaleY*aLowerRightOffset.getY()) );
// clip dest area (which must be inside rDestBounds)
aLocalDestArea.intersect( rDestBounds );
if( aLocalDestArea.isEmpty() )
return false;
// calc relative new dest area points (relative to orig
// source area)
const ::basegfx::B2IVector aDestUpperLeftOffset(
aLocalDestArea.getMinimum()-aDestTopLeft );
const ::basegfx::B2IVector aDestLowerRightOffset(
aLocalDestArea.getMaximum()-aDestTopLeft );
io_rSourceArea = ::basegfx::B2IBox( basegfx::fround(aSourceTopLeft.getX() + aDestUpperLeftOffset.getX()/nScaleX),
basegfx::fround(aSourceTopLeft.getY() + aDestUpperLeftOffset.getY()/nScaleY),
basegfx::fround(aSourceTopLeft.getX() + aDestLowerRightOffset.getX()/nScaleX),
basegfx::fround(aSourceTopLeft.getY() + aDestLowerRightOffset.getY()/nScaleY) );
io_rDestArea = aLocalDestArea;
// final source area clip (chopping round-offs)
io_rSourceArea.intersect( rSourceBounds );
if( io_rSourceArea.isEmpty() )
return false;
return true;
}
}
void BitmapDevice::drawBitmap( const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode )
{
const basegfx::B2IVector& rSrcSize( rSrcBitmap->getSize() );
const basegfx::B2IBox aSrcBounds( 0,0,rSrcSize.getX(),rSrcSize.getY() );
basegfx::B2IBox aSrcRange( rSrcRect );
basegfx::B2IBox aDestRange( rDstRect );
if( clipAreaImpl( aDestRange,
aSrcRange,
mpImpl->maBounds,
aSrcBounds ))
{
assertImageRange(aDestRange,mpImpl->maBounds);
assertImageRange(aSrcRange,aSrcBounds);
drawBitmap_i( rSrcBitmap, aSrcRange, aDestRange, drawMode );
}
}
void BitmapDevice::drawBitmap( const BitmapDeviceSharedPtr& rSrcBitmap,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
drawBitmap(rSrcBitmap,rSrcRect,rDstRect,drawMode);
return;
}
const basegfx::B2IVector& rSrcSize( rSrcBitmap->getSize() );
const basegfx::B2IBox aSrcBounds( 0,0,rSrcSize.getX(),rSrcSize.getY() );
basegfx::B2IBox aSrcRange( rSrcRect );
basegfx::B2IBox aDestRange( rDstRect );
if( clipAreaImpl( aDestRange,
aSrcRange,
mpImpl->maBounds,
aSrcBounds ))
{
assertImageRange(aDestRange,mpImpl->maBounds);
assertImageRange(aSrcRange,aSrcBounds);
if( isCompatibleClipMask( rClip ) )
{
drawBitmap_i( rSrcBitmap, aSrcRange, aDestRange, drawMode, rClip );
}
else
{
getGenericRenderer()->drawBitmap( rSrcBitmap, rSrcRect,
rDstRect, drawMode, rClip );
}
}
}
void BitmapDevice::drawMaskedColor( Color aSrcColor,
const BitmapDeviceSharedPtr& rAlphaMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IPoint& rDstPoint )
{
const basegfx::B2IVector& rSrcSize( rAlphaMask->getSize() );
const basegfx::B2IBox aSrcBounds( 0,0,rSrcSize.getX(),rSrcSize.getY() );
basegfx::B2IBox aSrcRange( rSrcRect );
basegfx::B2IPoint aDestPoint( rDstPoint );
if( clipAreaImpl( aSrcRange,
aDestPoint,
aSrcBounds,
mpImpl->maBounds ))
{
assertImagePoint(aDestPoint,mpImpl->maBounds);
assertImageRange(aSrcRange,aSrcBounds);
if( isSharedBuffer(rAlphaMask) )
{
// src == dest, copy rAlphaMask beforehand
const basegfx::B2ITuple aSize( aSrcRange.getWidth(),
aSrcRange.getHeight() );
BitmapDeviceSharedPtr pAlphaCopy(
cloneBitmapDevice( aSize,
shared_from_this()) );
const basegfx::B2IBox aAlphaRange( basegfx::B2ITuple(),
aSize );
pAlphaCopy->drawBitmap(rAlphaMask,
aSrcRange,
aAlphaRange,
DrawMode::Paint);
drawMaskedColor_i( aSrcColor, pAlphaCopy, aAlphaRange, aDestPoint );
}
else
{
drawMaskedColor_i( aSrcColor, rAlphaMask, aSrcRange, aDestPoint );
}
}
}
void BitmapDevice::drawMaskedColor( Color aSrcColor,
const BitmapDeviceSharedPtr& rAlphaMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IPoint& rDstPoint,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
drawMaskedColor(aSrcColor,rAlphaMask,rSrcRect,rDstPoint);
return;
}
const basegfx::B2IVector& rSrcSize( rAlphaMask->getSize() );
const basegfx::B2IBox aSrcBounds( 0,0,rSrcSize.getX(),rSrcSize.getY() );
basegfx::B2IBox aSrcRange( rSrcRect );
basegfx::B2IPoint aDestPoint( rDstPoint );
if( clipAreaImpl( aSrcRange,
aDestPoint,
aSrcBounds,
mpImpl->maBounds ))
{
assertImagePoint(aDestPoint,mpImpl->maBounds);
assertImageRange(aSrcRange,aSrcBounds);
if( isCompatibleClipMask( rClip ) )
{
if( isSharedBuffer(rAlphaMask) )
{
// src == dest, copy rAlphaMask beforehand
const basegfx::B2ITuple aSize( aSrcRange.getWidth(),
aSrcRange.getHeight() );
BitmapDeviceSharedPtr pAlphaCopy(
cloneBitmapDevice( aSize,
shared_from_this()) );
const basegfx::B2IBox aAlphaRange( basegfx::B2ITuple(),
aSize );
pAlphaCopy->drawBitmap(rAlphaMask,
aSrcRange,
aAlphaRange,
DrawMode::Paint);
drawMaskedColor_i( aSrcColor, pAlphaCopy, aAlphaRange, aDestPoint, rClip );
}
else
{
drawMaskedColor_i( aSrcColor, rAlphaMask, aSrcRange, aDestPoint, rClip );
}
}
else
{
getGenericRenderer()->drawMaskedColor( aSrcColor, rAlphaMask,
rSrcRect, rDstPoint, rClip );
}
}
}
void BitmapDevice::drawMaskedBitmap( const BitmapDeviceSharedPtr& rSrcBitmap,
const BitmapDeviceSharedPtr& rMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode )
{
OSL_ASSERT( rMask->getSize() == rSrcBitmap->getSize() );
const basegfx::B2IVector& rSrcSize( rSrcBitmap->getSize() );
const basegfx::B2IBox aSrcBounds( 0,0,rSrcSize.getX(),rSrcSize.getY() );
basegfx::B2IBox aSrcRange( rSrcRect );
basegfx::B2IBox aDestRange( rDstRect );
if( clipAreaImpl( aDestRange,
aSrcRange,
mpImpl->maBounds,
aSrcBounds ))
{
assertImageRange(aDestRange,mpImpl->maBounds);
assertImageRange(aSrcRange,aSrcBounds);
drawMaskedBitmap_i( rSrcBitmap, rMask, aSrcRange, aDestRange, drawMode );
}
}
void BitmapDevice::drawMaskedBitmap( const BitmapDeviceSharedPtr& rSrcBitmap,
const BitmapDeviceSharedPtr& rMask,
const basegfx::B2IBox& rSrcRect,
const basegfx::B2IBox& rDstRect,
DrawMode drawMode,
const BitmapDeviceSharedPtr& rClip )
{
if( !rClip )
{
drawMaskedBitmap(rSrcBitmap,rMask,rSrcRect,rDstRect,drawMode);
return;
}
OSL_ASSERT( rMask->getSize() == rSrcBitmap->getSize() );
const basegfx::B2IVector& rSrcSize( rSrcBitmap->getSize() );
const basegfx::B2IBox aSrcBounds( 0,0,rSrcSize.getX(),rSrcSize.getY() );
basegfx::B2IBox aSrcRange( rSrcRect );
basegfx::B2IBox aDestRange( rDstRect );
if( clipAreaImpl( aDestRange,
aSrcRange,
mpImpl->maBounds,
aSrcBounds ))
{
assertImageRange(aDestRange,mpImpl->maBounds);
assertImageRange(aSrcRange,aSrcBounds);
if( isCompatibleClipMask( rClip ) )
{
drawMaskedBitmap_i( rSrcBitmap, rMask, aSrcRange, aDestRange, drawMode, rClip );
}
else
{
getGenericRenderer()->drawMaskedBitmap( rSrcBitmap, rMask, rSrcRect,
rDstRect, drawMode, rClip );
}
}
}
/** Standard clip and alpha masks
*/
struct StdMasks
{
typedef PixelFormatTraits_GREY1_MSB clipmask_format_traits;
typedef PixelFormatTraits_GREY8 alphamask_format_traits;
/// Clipmask: 0 means opaque
static const bool clipmask_polarity = false;
/// Alpha mask: 0 means fully transparent
static const bool alphamask_polarity = true;
};
/// Produces a specialized renderer for the given pixel format
template< class FormatTraits, class MaskTraits >
BitmapDeviceSharedPtr createRenderer(
const basegfx::B2IBox& rBounds,
const basegfx::B2IVector& rBufferSize,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
sal_uInt8* pFirstScanline,
typename FormatTraits::raw_accessor_type const& rRawAccessor,
typename FormatTraits::accessor_selector::template wrap_accessor<
typename FormatTraits::raw_accessor_type>::type const& rAccessor,
boost::shared_array< sal_uInt8 > pMem,
const PaletteMemorySharedVector& pPal,
const IBitmapDeviceDamageTrackerSharedPtr& pDamage )
{
typedef typename FormatTraits::iterator_type Iterator;
typedef BitmapRenderer< Iterator,
typename FormatTraits::raw_accessor_type,
typename FormatTraits::accessor_selector,
MaskTraits > Renderer;
return BitmapDeviceSharedPtr(
new Renderer( rBounds,
rBufferSize,
nScanlineFormat,
nScanlineStride,
pFirstScanline,
Iterator(
reinterpret_cast<typename Iterator::value_type*>(
pFirstScanline),
nScanlineStride),
rRawAccessor,
rAccessor,
pMem,
pPal,
pDamage ));
}
/// Create standard grey level palette
PaletteMemorySharedVector createStandardPalette(
const PaletteMemorySharedVector& pPal,
sal_Int32 nNumEntries )
{
if( pPal || nNumEntries <= 0 )
return pPal;
std::shared_ptr< std::vector<Color> > pLocalPal(
new std::vector<Color>(nNumEntries) );
const sal_Int32 nIncrement( 0x00FFFFFF/nNumEntries );
--nNumEntries;
for( sal_Int32 i=0, c=0; i<nNumEntries; ++i,c+=nIncrement )
pLocalPal->at(i) = Color(0xFF000000 | c);
pLocalPal->at(nNumEntries) = Color(0xFFFFFFFF);
return pLocalPal;
}
template< class FormatTraits, class MaskTraits >
BitmapDeviceSharedPtr createRenderer(
const basegfx::B2IBox& rBounds,
const basegfx::B2IVector& rBufferSize,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
sal_uInt8* pFirstScanline,
boost::shared_array< sal_uInt8 > pMem,
const PaletteMemorySharedVector& pPal,
const IBitmapDeviceDamageTrackerSharedPtr& pDamage )
{
return createRenderer<FormatTraits,
MaskTraits>(rBounds,
rBufferSize,
nScanlineFormat,
nScanlineStride,
pFirstScanline,
typename FormatTraits::raw_accessor_type(),
typename FormatTraits::accessor_selector::template
wrap_accessor<
typename FormatTraits::raw_accessor_type>::type(),
pMem,
pPal,
pDamage);
}
template< class FormatTraits, class MaskTraits >
BitmapDeviceSharedPtr createRenderer(
const basegfx::B2IBox& rBounds,
const basegfx::B2IVector& rBufferSize,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
sal_uInt8* pFirstScanline,
boost::shared_array< sal_uInt8 > pMem,
PaletteMemorySharedVector pPal,
int nBitsPerPixel,
const IBitmapDeviceDamageTrackerSharedPtr& pDamage )
{
pPal = createStandardPalette(pPal,
1UL << nBitsPerPixel);
OSL_ASSERT(pPal);
return createRenderer<FormatTraits,
MaskTraits>(rBounds,
rBufferSize,
nScanlineFormat,
nScanlineStride,
pFirstScanline,
typename FormatTraits::raw_accessor_type(),
typename FormatTraits::accessor_selector::template
wrap_accessor<
typename FormatTraits::raw_accessor_type>::type(
&pPal->at(0),
pPal->size()),
pMem,
pPal,
pDamage);
}
// TODO(Q3): consolidate with canvas/canvastools.hxx! Best move this
// to o3tl or sal/bithacks.hxx ...
/** Compute the next highest power of 2 of a 32-bit value
Code devised by Sean Anderson, in good ole HAKMEM
tradition.
@return 1 << (lg(x - 1) + 1)
*/
inline sal_uInt32 nextPow2( sal_uInt32 x )
{
--x;
x |= x >> 1;
x |= x >> 2;
x |= x >> 4;
x |= x >> 8;
x |= x >> 16;
return ++x;
}
namespace
{
BitmapDeviceSharedPtr createBitmapDeviceImplInner( const basegfx::B2IVector& rSize,
bool bTopDown,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
boost::shared_array< sal_uInt8 > pMem,
PaletteMemorySharedVector pPal,
const basegfx::B2IBox* pSubset,
const IBitmapDeviceDamageTrackerSharedPtr& rDamage,
bool bBlack = true)
{
OSL_ASSERT(rSize.getX() > 0 && rSize.getY() > 0);
if( nScanlineFormat <= Format::NONE ||
nScanlineFormat > Format::LAST )
return BitmapDeviceSharedPtr();
sal_uInt8 nBitsPerPixel = bitsPerPixel[nScanlineFormat];
if (rSize.getX() > (SAL_MAX_INT32-7) / nBitsPerPixel)
{
SAL_WARN("basebmp", "suspicious bitmap width " <<
rSize.getX() << " for depth " << nBitsPerPixel);
return BitmapDeviceSharedPtr();
}
// factor in bottom-up scanline order case
nScanlineStride *= bTopDown ? 1 : -1;
const sal_uInt32 nWidth(nScanlineStride < 0 ? -nScanlineStride : nScanlineStride);
const sal_uInt32 nHeight(rSize.getY());
if (nHeight && nWidth && nWidth > SAL_MAX_INT32 / nHeight)
{
SAL_WARN( "basebmp", "suspicious massive alloc " << nWidth << " * " << nHeight);
return BitmapDeviceSharedPtr();
}
const std::size_t nMemSize(nWidth * nHeight);
if( !pMem )
{
pMem.reset(
static_cast<sal_uInt8*>(rtl_allocateMemory( nMemSize )),
&rtl_freeMemory );
if (pMem.get() == nullptr && nMemSize != 0)
return BitmapDeviceSharedPtr();
if (bBlack)
memset(pMem.get(), 0, nMemSize);
else
memset(pMem.get(), 0xFF, nMemSize);
}
sal_uInt8* pFirstScanline = nScanlineStride < 0 ?
pMem.get() + nMemSize + nScanlineStride : pMem.get();
// shrink render area to given subset, if given
basegfx::B2IBox aBounds(0,0,rSize.getX(),rSize.getY());
if( pSubset )
aBounds.intersect( *pSubset );
switch( nScanlineFormat )
{
// one bit formats
case Format::OneBitMsbGrey:
return createRenderer<PixelFormatTraits_GREY1_MSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::OneBitLsbGrey:
return createRenderer<PixelFormatTraits_GREY1_LSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::OneBitMsbPal:
return createRenderer<PixelFormatTraits_PAL1_MSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal,
bitsPerPixel[nScanlineFormat], rDamage );
case Format::OneBitLsbPal:
return createRenderer<PixelFormatTraits_PAL1_LSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal,
bitsPerPixel[nScanlineFormat], rDamage );
// four bit formats
case Format::FourBitMsbGrey:
return createRenderer<PixelFormatTraits_GREY4_MSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::FourBitLsbGrey:
return createRenderer<PixelFormatTraits_GREY4_LSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::FourBitMsbPal:
return createRenderer<PixelFormatTraits_PAL4_MSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal,
bitsPerPixel[nScanlineFormat], rDamage );
case Format::FourBitLsbPal:
return createRenderer<PixelFormatTraits_PAL4_LSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal,
bitsPerPixel[nScanlineFormat], rDamage );
// eight bit formats
case Format::EightBitGrey:
return createRenderer<PixelFormatTraits_GREY8,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::EightBitPal:
return createRenderer<PixelFormatTraits_PAL8,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal,
bitsPerPixel[nScanlineFormat], rDamage );
// sixteen bit formats
case Format::SixteenBitLsbTcMask:
return createRenderer<PixelFormatTraits_RGB16_565_LSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::SixteenBitMsbTcMask:
return createRenderer<PixelFormatTraits_RGB16_565_MSB,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
// twentyfour bit formats
case Format::TwentyFourBitTcMask:
return createRenderer<PixelFormatTraits_BGR24,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
// thirtytwo bit formats
// 8 red bits, 8 green bits, 8 blue bits, and 8 ignored bits like CAIRO_FORMAT_RGB24
case Format::ThirtyTwoBitTcMaskBGRX:
return createRenderer<PixelFormatTraits_BGRX32_8888,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::ThirtyTwoBitTcMaskBGRA:
return createRenderer<PixelFormatTraits_BGRA32_8888,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::ThirtyTwoBitTcMaskARGB:
return createRenderer<PixelFormatTraits_ARGB32_8888,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::ThirtyTwoBitTcMaskABGR:
return createRenderer<PixelFormatTraits_ABGR32_8888,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
case Format::ThirtyTwoBitTcMaskRGBA:
return createRenderer<PixelFormatTraits_RGBA32_8888,StdMasks>(
aBounds, rSize, nScanlineFormat, nScanlineStride,
pFirstScanline, pMem, pPal, rDamage );
default:
assert(false); // this cannot happen
}
// TODO(F3): other formats not yet implemented
return BitmapDeviceSharedPtr();
}
BitmapDeviceSharedPtr createBitmapDeviceImpl( const basegfx::B2IVector& rSize,
bool bTopDown,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
boost::shared_array< sal_uInt8 > pMem,
PaletteMemorySharedVector pPal,
const basegfx::B2IBox* pSubset,
const IBitmapDeviceDamageTrackerSharedPtr& rDamage,
bool bBlack = true)
{
BitmapDeviceSharedPtr result( createBitmapDeviceImplInner( rSize, bTopDown, nScanlineFormat, nScanlineStride, pMem, pPal, pSubset, rDamage, bBlack ) );
#ifdef SAL_LOG_INFO
std::ostringstream subset;
if (pSubset)
subset << " subset=" << pSubset->getWidth() << "x" << pSubset->getHeight() << "@(" << pSubset->getMinX() << "," << pSubset->getMinY() << ")";
SAL_INFO( "basebmp.bitmapdevice",
"createBitmapDevice: "
<< rSize.getX() << "x" << rSize.getY()
<< (bTopDown ? " top-down " : " bottom-up ")
<< formatName(nScanlineFormat)
<< subset.str()
<< " = " << result.get() );
#endif
return result;
}
} // namespace
sal_Int32 getBitmapDeviceStrideForWidth(Format nScanlineFormat, sal_Int32 nWidth)
{
sal_uInt8 nBitsPerPixel = bitsPerPixel[nScanlineFormat];
// round up to full 8 bit, divide by 8
sal_Int32 nScanlineStride = (nWidth*nBitsPerPixel + 7) >> 3;
// rounded up to next full power-of-two number of bytes
const sal_uInt32 bytesPerPixel = nextPow2(
(bitsPerPixel[nScanlineFormat] + 7) >> 3);
// now make nScanlineStride a multiple of bytesPerPixel
nScanlineStride = (nScanlineStride + bytesPerPixel - 1) / bytesPerPixel * bytesPerPixel;
return nScanlineStride;
}
BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize,
bool bTopDown,
Format nScanlineFormat,
sal_Int32 nScanlineStride )
{
return createBitmapDeviceImpl( rSize,
bTopDown,
nScanlineFormat,
nScanlineStride,
boost::shared_array< sal_uInt8 >(),
PaletteMemorySharedVector(),
nullptr,
IBitmapDeviceDamageTrackerSharedPtr() );
}
BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize,
bool bTopDown,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
const PaletteMemorySharedVector& rPalette )
{
return createBitmapDeviceImpl( rSize,
bTopDown,
nScanlineFormat,
nScanlineStride,
boost::shared_array< sal_uInt8 >(),
rPalette,
nullptr,
IBitmapDeviceDamageTrackerSharedPtr() );
}
BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize,
bool bTopDown,
Format nScanlineFormat,
sal_Int32 nScanlineStride,
const RawMemorySharedArray& rMem,
const PaletteMemorySharedVector& rPalette )
{
return createBitmapDeviceImpl( rSize,
bTopDown,
nScanlineFormat,
nScanlineStride,
rMem,
rPalette,
nullptr,
IBitmapDeviceDamageTrackerSharedPtr() );
}
BitmapDeviceSharedPtr createClipDevice( const basegfx::B2IVector& rSize )
{
BitmapDeviceSharedPtr xClip(
createBitmapDeviceImpl( rSize,
false, /* bTopDown */
basebmp::Format::OneBitMsbGrey,
getBitmapDeviceStrideForWidth(basebmp::Format::OneBitMsbGrey, rSize.getX()),
boost::shared_array< sal_uInt8 >(),
PaletteMemorySharedVector(),
nullptr,
IBitmapDeviceDamageTrackerSharedPtr(),
false /* white */) );
return xClip;
}
BitmapDeviceSharedPtr subsetBitmapDevice( const BitmapDeviceSharedPtr& rProto,
const basegfx::B2IBox& rSubset )
{
SAL_INFO( "basebmp.bitmapdevice", "subsetBitmapDevice: proto=" << rProto.get() );
return createBitmapDeviceImpl( rProto->getSize(),
rProto->isTopDown(),
rProto->getScanlineFormat(),
rProto->getScanlineStride(),
rProto->getBuffer(),
rProto->getPalette(),
&rSubset,
rProto->getDamageTracker() );
}
BitmapDeviceSharedPtr cloneBitmapDevice( const basegfx::B2IVector& rSize,
const BitmapDeviceSharedPtr& rProto )
{
return createBitmapDeviceImpl( rSize,
rProto->isTopDown(),
rProto->getScanlineFormat(),
rProto->getScanlineStride(),
boost::shared_array< sal_uInt8 >(),
rProto->getPalette(),
nullptr,
rProto->getDamageTracker() );
}
/// Clone our device, with GenericImageAccessor to handle all formats
BitmapDeviceSharedPtr BitmapDevice::getGenericRenderer() const
{
return mpImpl->mpGenericRenderer;
}
} // namespace basebmp
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */