1980 lines
78 KiB
C++
1980 lines
78 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, // 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;
|
|
to_uint32_functor maToUInt32Converter;
|
|
dest_accessor_type maAccessor;
|
|
colorblend_accessor_type maColorBlendAccessor;
|
|
colorblend_generic_accessor_type maGenericColorBlendAccessor;
|
|
raw_accessor_type maRawAccessor;
|
|
masked_accessor_type maMaskedAccessor;
|
|
masked_colorblend_accessor_type maMaskedColorBlendAccessor;
|
|
masked_colorblend_generic_accessor_type maGenericMaskedColorBlendAccessor;
|
|
raw_maskedaccessor_type maRawMaskedAccessor;
|
|
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 ) :
|
|
BitmapDevice( rBounds, rBufferSize, nScanlineFormat,
|
|
nScanlineStride, pFirstScanline, rMem, rPalette ),
|
|
maBegin( begin ),
|
|
maColorLookup(),
|
|
maToUInt32Converter(),
|
|
maAccessor( accessor ),
|
|
maColorBlendAccessor( accessor ),
|
|
maGenericColorBlendAccessor( accessor ),
|
|
maRawAccessor( rawAccessor ),
|
|
maMaskedAccessor( accessor ),
|
|
maMaskedColorBlendAccessor( maColorBlendAccessor ),
|
|
maGenericMaskedColorBlendAccessor( maGenericColorBlendAccessor ),
|
|
maRawMaskedAccessor( rawAccessor ),
|
|
maRawMaskedMaskAccessor( rawAccessor )
|
|
{}
|
|
|
|
private:
|
|
|
|
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() != nullptr;
|
|
}
|
|
|
|
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() != nullptr;
|
|
}
|
|
|
|
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) );
|
|
}
|
|
|
|
virtual void setPixel_i( const basegfx::B2IPoint& rPt,
|
|
Color pixelColor ) override
|
|
{
|
|
const DestIterator pixel( maBegin +
|
|
vigra::Diff2D(rPt.getX(),
|
|
rPt.getY()) );
|
|
maAccessor.set( pixelColor, pixel );
|
|
}
|
|
|
|
virtual void setPixel_i( const basegfx::B2IPoint& rPt,
|
|
Color pixelColor,
|
|
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 );
|
|
|
|
maMaskedAccessor.set( pixelColor,
|
|
aIter );
|
|
}
|
|
|
|
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 );
|
|
}
|
|
|
|
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 >
|
|
void implDrawLine( const basegfx::B2IPoint& rPt1,
|
|
const basegfx::B2IPoint& rPt2,
|
|
const basegfx::B2IBox& rBounds,
|
|
Color col,
|
|
const Iterator& begin,
|
|
const RawAcc& rawAcc )
|
|
{
|
|
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 ) override
|
|
{
|
|
implDrawLine(rPt1,rPt2,rBounds,lineColor,
|
|
maBegin,
|
|
maRawAccessor);
|
|
}
|
|
|
|
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,
|
|
const BitmapDeviceSharedPtr& rClip ) override
|
|
{
|
|
implDrawLine(rPt1,rPt2,rBounds,lineColor,
|
|
getMaskedIter(rClip),
|
|
maRawMaskedAccessor);
|
|
}
|
|
|
|
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 ) override
|
|
{
|
|
implDrawPolygon( rPoly, rBounds, lineColor,
|
|
maBegin,
|
|
maRawAccessor );
|
|
}
|
|
|
|
virtual void drawPolygon_i(const basegfx::B2DPolygon& rPoly,
|
|
const basegfx::B2IBox& rBounds,
|
|
Color lineColor,
|
|
const BitmapDeviceSharedPtr& rClip ) override
|
|
{
|
|
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 );
|
|
}
|
|
|
|
virtual void fillPolyPolygon_i(const basegfx::B2DPolyPolygon& rPoly,
|
|
Color fillColor,
|
|
const basegfx::B2IBox& rBounds ) override
|
|
{
|
|
implFillPolyPolygon( rPoly, fillColor,
|
|
maBegin,
|
|
maRawAccessor,
|
|
rBounds );
|
|
}
|
|
|
|
virtual void fillPolyPolygon_i(const basegfx::B2DPolyPolygon& rPoly,
|
|
Color fillColor,
|
|
const basegfx::B2IBox& rBounds,
|
|
const BitmapDeviceSharedPtr& rClip ) override
|
|
{
|
|
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) );
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
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 ) override
|
|
{
|
|
if( isCompatibleBitmap( rSrcBitmap ) )
|
|
{
|
|
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
|
|
{
|
|
implDrawBitmapGeneric(rSrcBitmap, rSrcRect, rDstRect,
|
|
maBegin,
|
|
maAccessor);
|
|
}
|
|
}
|
|
|
|
virtual void drawBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
|
|
const basegfx::B2IBox& rSrcRect,
|
|
const basegfx::B2IBox& rDstRect,
|
|
const BitmapDeviceSharedPtr& rClip ) override
|
|
{
|
|
if( isCompatibleBitmap( rSrcBitmap ) )
|
|
{
|
|
implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect,
|
|
getMaskedIter(rClip),
|
|
maRawMaskedAccessor);
|
|
}
|
|
else
|
|
{
|
|
implDrawBitmapGeneric(rSrcBitmap, rSrcRect, rDstRect,
|
|
getMaskedIter(rClip),
|
|
maMaskedAccessor);
|
|
}
|
|
}
|
|
|
|
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) );
|
|
}
|
|
}
|
|
|
|
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) );
|
|
}
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
virtual void drawMaskedBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
|
|
const BitmapDeviceSharedPtr& rMask,
|
|
const basegfx::B2IBox& rSrcRect,
|
|
const basegfx::B2IBox& rDstRect ) override
|
|
{
|
|
if( isCompatibleClipMask(rMask) &&
|
|
isCompatibleBitmap(rSrcBitmap) )
|
|
{
|
|
implDrawMaskedBitmap(rSrcBitmap, rMask,
|
|
rSrcRect, rDstRect,
|
|
maBegin,
|
|
maAccessor);
|
|
}
|
|
else
|
|
{
|
|
implDrawMaskedBitmapGeneric(rSrcBitmap, rMask,
|
|
rSrcRect, rDstRect,
|
|
maBegin,
|
|
maAccessor);
|
|
}
|
|
}
|
|
|
|
virtual void drawMaskedBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap,
|
|
const BitmapDeviceSharedPtr& rMask,
|
|
const basegfx::B2IBox& rSrcRect,
|
|
const basegfx::B2IBox& rDstRect,
|
|
const BitmapDeviceSharedPtr& rClip ) override
|
|
{
|
|
if( isCompatibleClipMask(rMask) &&
|
|
isCompatibleBitmap(rSrcBitmap) )
|
|
{
|
|
implDrawMaskedBitmap(rSrcBitmap, rMask,
|
|
rSrcRect, rDstRect,
|
|
getMaskedIter(rClip),
|
|
maMaskedAccessor);
|
|
}
|
|
else
|
|
{
|
|
implDrawMaskedBitmapGeneric(rSrcBitmap, rMask,
|
|
rSrcRect, rDstRect,
|
|
getMaskedIter(rClip),
|
|
maMaskedAccessor);
|
|
}
|
|
}
|
|
};
|
|
} // 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 combinatorial 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;
|
|
}
|
|
|
|
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 )
|
|
{
|
|
if( mpImpl->maBounds.isInside(rPt) )
|
|
setPixel_i(rPt,lineColor);
|
|
}
|
|
|
|
void BitmapDevice::setPixel( const basegfx::B2IPoint& rPt,
|
|
Color lineColor,
|
|
const BitmapDeviceSharedPtr& rClip )
|
|
{
|
|
if( !rClip )
|
|
{
|
|
setPixel(rPt,lineColor);
|
|
return;
|
|
}
|
|
|
|
if( mpImpl->maBounds.isInside(rPt) )
|
|
{
|
|
if( isCompatibleClipMask( rClip ) )
|
|
setPixel_i(rPt,lineColor,rClip);
|
|
else
|
|
getGenericRenderer()->setPixel( rPt, lineColor, 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 )
|
|
{
|
|
drawLine_i( rPt1,
|
|
rPt2,
|
|
mpImpl->maBounds,
|
|
lineColor );
|
|
}
|
|
|
|
void BitmapDevice::drawLine( const basegfx::B2IPoint& rPt1,
|
|
const basegfx::B2IPoint& rPt2,
|
|
Color lineColor,
|
|
const BitmapDeviceSharedPtr& rClip )
|
|
{
|
|
if( !rClip )
|
|
{
|
|
drawLine(rPt1,rPt2,lineColor);
|
|
return;
|
|
}
|
|
|
|
if( isCompatibleClipMask( rClip ) )
|
|
drawLine_i( rPt1,
|
|
rPt2,
|
|
mpImpl->maBounds,
|
|
lineColor,
|
|
rClip );
|
|
else
|
|
getGenericRenderer()->drawLine( rPt1, rPt2, lineColor,
|
|
rClip );
|
|
}
|
|
|
|
void BitmapDevice::drawPolygon( const basegfx::B2DPolygon& rPoly,
|
|
Color lineColor )
|
|
{
|
|
const sal_uInt32 numVertices( rPoly.count() );
|
|
if( numVertices )
|
|
drawPolygon_i( rPoly,
|
|
mpImpl->maBounds,
|
|
lineColor );
|
|
}
|
|
|
|
void BitmapDevice::drawPolygon( const basegfx::B2DPolygon& rPoly,
|
|
Color lineColor,
|
|
const BitmapDeviceSharedPtr& rClip )
|
|
{
|
|
if( !rClip )
|
|
{
|
|
drawPolygon(rPoly,lineColor);
|
|
return;
|
|
}
|
|
|
|
const sal_uInt32 numVertices( rPoly.count() );
|
|
if( numVertices )
|
|
{
|
|
if( isCompatibleClipMask( rClip ) )
|
|
drawPolygon_i( rPoly,
|
|
mpImpl->maBounds,
|
|
lineColor, rClip );
|
|
else
|
|
getGenericRenderer()->drawPolygon( rPoly, lineColor,
|
|
rClip );
|
|
}
|
|
}
|
|
|
|
void BitmapDevice::fillPolyPolygon( const basegfx::B2DPolyPolygon& rPoly,
|
|
Color fillColor )
|
|
{
|
|
fillPolyPolygon_i( rPoly, fillColor, mpImpl->maBounds );
|
|
}
|
|
|
|
void BitmapDevice::fillPolyPolygon( const basegfx::B2DPolyPolygon& rPoly,
|
|
Color fillColor,
|
|
const BitmapDeviceSharedPtr& rClip )
|
|
{
|
|
if( !rClip )
|
|
{
|
|
fillPolyPolygon(rPoly,fillColor);
|
|
return;
|
|
}
|
|
|
|
if( isCompatibleClipMask( rClip ) )
|
|
fillPolyPolygon_i( rPoly, fillColor, mpImpl->maBounds, rClip );
|
|
else
|
|
getGenericRenderer()->fillPolyPolygon( rPoly, fillColor,
|
|
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 )
|
|
{
|
|
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 );
|
|
}
|
|
}
|
|
|
|
void BitmapDevice::drawBitmap( const BitmapDeviceSharedPtr& rSrcBitmap,
|
|
const basegfx::B2IBox& rSrcRect,
|
|
const basegfx::B2IBox& rDstRect,
|
|
const BitmapDeviceSharedPtr& rClip )
|
|
{
|
|
if( !rClip )
|
|
{
|
|
drawBitmap(rSrcBitmap,rSrcRect,rDstRect);
|
|
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, rClip );
|
|
}
|
|
else
|
|
{
|
|
getGenericRenderer()->drawBitmap( rSrcBitmap, rSrcRect,
|
|
rDstRect, 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);
|
|
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);
|
|
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 )
|
|
{
|
|
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 );
|
|
}
|
|
}
|
|
|
|
void BitmapDevice::drawMaskedBitmap( const BitmapDeviceSharedPtr& rSrcBitmap,
|
|
const BitmapDeviceSharedPtr& rMask,
|
|
const basegfx::B2IBox& rSrcRect,
|
|
const basegfx::B2IBox& rDstRect,
|
|
const BitmapDeviceSharedPtr& rClip )
|
|
{
|
|
if( !rClip )
|
|
{
|
|
drawMaskedBitmap(rSrcBitmap,rMask,rSrcRect,rDstRect);
|
|
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, rClip );
|
|
}
|
|
else
|
|
{
|
|
getGenericRenderer()->drawMaskedBitmap( rSrcBitmap, rMask, rSrcRect,
|
|
rDstRect, 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 )
|
|
{
|
|
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 ));
|
|
}
|
|
|
|
/// 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 )
|
|
{
|
|
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 );
|
|
}
|
|
|
|
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 )
|
|
{
|
|
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 );
|
|
}
|
|
|
|
namespace
|
|
{
|
|
BitmapDeviceSharedPtr createBitmapDeviceImplInner( const basegfx::B2IVector& rSize,
|
|
bool bTopDown,
|
|
Format nScanlineFormat,
|
|
boost::shared_array< sal_uInt8 > pMem,
|
|
PaletteMemorySharedVector pPal,
|
|
const basegfx::B2IBox* pSubset,
|
|
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();
|
|
}
|
|
|
|
sal_Int32 nScanlineStride = getBitmapDeviceStrideForWidth(nScanlineFormat, rSize.getX());
|
|
|
|
// 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 );
|
|
|
|
case Format::OneBitLsbGrey:
|
|
return createRenderer<PixelFormatTraits_GREY1_LSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::OneBitMsbPal:
|
|
return createRenderer<PixelFormatTraits_PAL1_MSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal,
|
|
bitsPerPixel[nScanlineFormat] );
|
|
|
|
case Format::OneBitLsbPal:
|
|
return createRenderer<PixelFormatTraits_PAL1_LSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal,
|
|
bitsPerPixel[nScanlineFormat] );
|
|
|
|
|
|
|
|
// four bit formats
|
|
|
|
case Format::FourBitMsbGrey:
|
|
return createRenderer<PixelFormatTraits_GREY4_MSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::FourBitLsbGrey:
|
|
return createRenderer<PixelFormatTraits_GREY4_LSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::FourBitMsbPal:
|
|
return createRenderer<PixelFormatTraits_PAL4_MSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal,
|
|
bitsPerPixel[nScanlineFormat] );
|
|
|
|
case Format::FourBitLsbPal:
|
|
return createRenderer<PixelFormatTraits_PAL4_LSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal,
|
|
bitsPerPixel[nScanlineFormat] );
|
|
|
|
|
|
|
|
// eight bit formats
|
|
|
|
case Format::EightBitGrey:
|
|
return createRenderer<PixelFormatTraits_GREY8,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::EightBitPal:
|
|
return createRenderer<PixelFormatTraits_PAL8,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal,
|
|
bitsPerPixel[nScanlineFormat] );
|
|
|
|
|
|
|
|
// sixteen bit formats
|
|
|
|
case Format::SixteenBitLsbTcMask:
|
|
return createRenderer<PixelFormatTraits_RGB16_565_LSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::SixteenBitMsbTcMask:
|
|
return createRenderer<PixelFormatTraits_RGB16_565_MSB,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
// twentyfour bit formats
|
|
case Format::TwentyFourBitTcMask:
|
|
return createRenderer<PixelFormatTraits_BGR24,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
// thirtytwo bit formats
|
|
|
|
case Format::ThirtyTwoBitTcMaskBGRA:
|
|
return createRenderer<PixelFormatTraits_BGRA32_8888,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::ThirtyTwoBitTcMaskARGB:
|
|
return createRenderer<PixelFormatTraits_ARGB32_8888,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::ThirtyTwoBitTcMaskABGR:
|
|
return createRenderer<PixelFormatTraits_ABGR32_8888,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
case Format::ThirtyTwoBitTcMaskRGBA:
|
|
return createRenderer<PixelFormatTraits_RGBA32_8888,StdMasks>(
|
|
aBounds, rSize, nScanlineFormat, nScanlineStride,
|
|
pFirstScanline, pMem, pPal );
|
|
|
|
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,
|
|
boost::shared_array< sal_uInt8 > pMem,
|
|
PaletteMemorySharedVector pPal,
|
|
const basegfx::B2IBox* pSubset,
|
|
bool bBlack = true)
|
|
{
|
|
BitmapDeviceSharedPtr result( createBitmapDeviceImplInner( rSize, bTopDown, nScanlineFormat, pMem, pPal, pSubset, 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;
|
|
|
|
// pixman (cairo) and GDI (windows) pad to multiples of 32bits
|
|
// so do the same to be easily compatible
|
|
nScanlineStride = (nScanlineStride + 3) & ~0x3;
|
|
|
|
return nScanlineStride;
|
|
}
|
|
|
|
BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize,
|
|
bool bTopDown,
|
|
Format nScanlineFormat )
|
|
{
|
|
return createBitmapDeviceImpl( rSize,
|
|
bTopDown,
|
|
nScanlineFormat,
|
|
boost::shared_array< sal_uInt8 >(),
|
|
PaletteMemorySharedVector(),
|
|
nullptr );
|
|
}
|
|
|
|
BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize,
|
|
bool bTopDown,
|
|
Format nScanlineFormat,
|
|
const PaletteMemorySharedVector& rPalette )
|
|
{
|
|
return createBitmapDeviceImpl( rSize,
|
|
bTopDown,
|
|
nScanlineFormat,
|
|
boost::shared_array< sal_uInt8 >(),
|
|
rPalette,
|
|
nullptr );
|
|
}
|
|
|
|
BitmapDeviceSharedPtr createBitmapDevice( const basegfx::B2IVector& rSize,
|
|
bool bTopDown,
|
|
Format nScanlineFormat,
|
|
const RawMemorySharedArray& rMem,
|
|
const PaletteMemorySharedVector& rPalette )
|
|
{
|
|
return createBitmapDeviceImpl( rSize,
|
|
bTopDown,
|
|
nScanlineFormat,
|
|
rMem,
|
|
rPalette,
|
|
nullptr );
|
|
}
|
|
|
|
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->getBuffer(),
|
|
rProto->getPalette(),
|
|
&rSubset );
|
|
}
|
|
|
|
BitmapDeviceSharedPtr cloneBitmapDevice( const basegfx::B2IVector& rSize,
|
|
const BitmapDeviceSharedPtr& rProto )
|
|
{
|
|
return createBitmapDeviceImpl( rSize,
|
|
rProto->isTopDown(),
|
|
rProto->getScanlineFormat(),
|
|
boost::shared_array< sal_uInt8 >(),
|
|
rProto->getPalette(),
|
|
nullptr );
|
|
}
|
|
|
|
|
|
/// 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: */
|