summaryrefslogtreecommitdiffstats
path: root/vcl/source/helper/canvasbitmap.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'vcl/source/helper/canvasbitmap.cxx')
-rw-r--r--vcl/source/helper/canvasbitmap.cxx1348
1 files changed, 1348 insertions, 0 deletions
diff --git a/vcl/source/helper/canvasbitmap.cxx b/vcl/source/helper/canvasbitmap.cxx
new file mode 100644
index 000000000..8807ce7a1
--- /dev/null
+++ b/vcl/source/helper/canvasbitmap.cxx
@@ -0,0 +1,1348 @@
+/* -*- 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 <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/util/Endianness.hpp>
+#include <com/sun/star/rendering/ColorComponentTag.hpp>
+#include <com/sun/star/rendering/ColorSpaceType.hpp>
+#include <com/sun/star/rendering/RenderingIntent.hpp>
+
+#include <tools/diagnose_ex.h>
+#include <canvasbitmap.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+#include <vcl/svapp.hxx>
+
+#include <algorithm>
+
+using namespace vcl::unotools;
+using namespace ::com::sun::star;
+
+namespace
+{
+ // TODO(Q3): move to o3tl bithacks or somesuch. A similar method is in canvas/canvastools.hxx
+
+ // Good ole HAKMEM tradition. Calc number of 1 bits in 32bit word,
+ // unrolled loop. See e.g. Hackers Delight, p. 66
+ sal_Int32 bitcount( sal_uInt32 val )
+ {
+ val = val - ((val >> 1) & 0x55555555);
+ val = (val & 0x33333333) + ((val >> 2) & 0x33333333);
+ val = (val + (val >> 4)) & 0x0F0F0F0F;
+ val = val + (val >> 8);
+ val = val + (val >> 16);
+ return sal_Int32(val & 0x0000003F);
+ }
+}
+
+void VclCanvasBitmap::setComponentInfo( sal_uInt32 redShift, sal_uInt32 greenShift, sal_uInt32 blueShift )
+{
+ // sort channels in increasing order of appearance in the pixel
+ // (starting with the least significant bits)
+ sal_Int8 redPos(0);
+ sal_Int8 greenPos(1);
+ sal_Int8 bluePos(2);
+
+ if( redShift > greenShift )
+ {
+ std::swap(redPos,greenPos);
+ if( redShift > blueShift )
+ {
+ std::swap(redPos,bluePos);
+ if( greenShift > blueShift )
+ std::swap(greenPos,bluePos);
+ }
+ }
+ else
+ {
+ if( greenShift > blueShift )
+ {
+ std::swap(greenPos,bluePos);
+ if( redShift > blueShift )
+ std::swap(redPos,bluePos);
+ }
+ }
+
+ m_aComponentTags.realloc(3);
+ sal_Int8* pTags = m_aComponentTags.getArray();
+ pTags[redPos] = rendering::ColorComponentTag::RGB_RED;
+ pTags[greenPos] = rendering::ColorComponentTag::RGB_GREEN;
+ pTags[bluePos] = rendering::ColorComponentTag::RGB_BLUE;
+
+ m_aComponentBitCounts.realloc(3);
+ sal_Int32* pCounts = m_aComponentBitCounts.getArray();
+ pCounts[redPos] = bitcount(redShift);
+ pCounts[greenPos] = bitcount(greenShift);
+ pCounts[bluePos] = bitcount(blueShift);
+}
+
+Bitmap::ScopedReadAccess& VclCanvasBitmap::getBitmapReadAccess()
+{
+ // BitmapReadAccess is more expensive than BitmapInfoAccess,
+ // as the latter requires also pixels, which may need converted
+ // from the system format (and even fetched). Most calls here
+ // need only info access, create read access only on demand.
+ if(!m_pBmpReadAcc)
+ m_pBmpReadAcc.emplace(m_aBitmap);
+ return *m_pBmpReadAcc;
+}
+
+Bitmap::ScopedReadAccess& VclCanvasBitmap::getAlphaReadAccess()
+{
+ if(!m_pAlphaReadAcc)
+ m_pAlphaReadAcc.emplace(m_aAlpha);
+ return *m_pAlphaReadAcc;
+}
+
+VclCanvasBitmap::VclCanvasBitmap( const BitmapEx& rBitmap ) :
+ m_aBmpEx( rBitmap ),
+ m_aBitmap( rBitmap.GetBitmap() ),
+ m_pBmpAcc( m_aBitmap ),
+ m_nBitsPerInputPixel(0),
+ m_nBitsPerOutputPixel(0),
+ m_nRedIndex(-1),
+ m_nGreenIndex(-1),
+ m_nBlueIndex(-1),
+ m_nAlphaIndex(-1),
+ m_nIndexIndex(-1),
+ m_bPalette(false)
+{
+ if( m_aBmpEx.IsAlpha() )
+ {
+ m_aAlpha = m_aBmpEx.GetAlpha().GetBitmap();
+ m_pAlphaAcc = Bitmap::ScopedInfoAccess(m_aAlpha);
+ }
+
+ m_aLayout.ScanLines = 0;
+ m_aLayout.ScanLineBytes = 0;
+ m_aLayout.ScanLineStride = 0;
+ m_aLayout.PlaneStride = 0;
+ m_aLayout.ColorSpace.clear();
+ m_aLayout.Palette.clear();
+ m_aLayout.IsMsbFirst = false;
+
+ if( !m_pBmpAcc )
+ return;
+
+ m_aLayout.ScanLines = m_pBmpAcc->Height();
+ m_aLayout.ScanLineBytes = (m_pBmpAcc->GetBitCount()*m_pBmpAcc->Width() + 7) / 8;
+ m_aLayout.ScanLineStride = m_pBmpAcc->GetScanlineSize();
+ m_aLayout.PlaneStride = 0;
+
+ switch( m_pBmpAcc->GetScanlineFormat() )
+ {
+ case ScanlineFormat::N1BitMsbPal:
+ m_bPalette = true;
+ m_nBitsPerInputPixel = 1;
+ m_aLayout.IsMsbFirst = true;
+ break;
+
+ case ScanlineFormat::N1BitLsbPal:
+ m_bPalette = true;
+ m_nBitsPerInputPixel = 1;
+ m_aLayout.IsMsbFirst = false;
+ break;
+
+ case ScanlineFormat::N8BitPal:
+ m_bPalette = true;
+ m_nBitsPerInputPixel = 8;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+ break;
+
+ case ScanlineFormat::N24BitTcBgr:
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 24;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+ setComponentInfo( static_cast<sal_uInt32>(0xff0000UL),
+ static_cast<sal_uInt32>(0x00ff00UL),
+ static_cast<sal_uInt32>(0x0000ffUL) );
+ break;
+
+ case ScanlineFormat::N24BitTcRgb:
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 24;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+ setComponentInfo( static_cast<sal_uInt32>(0x0000ffUL),
+ static_cast<sal_uInt32>(0x00ff00UL),
+ static_cast<sal_uInt32>(0xff0000UL) );
+ break;
+
+ case ScanlineFormat::N32BitTcAbgr:
+ {
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 32;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+
+ m_aComponentTags = { /* 0 */ rendering::ColorComponentTag::ALPHA,
+ /* 1 */ rendering::ColorComponentTag::RGB_BLUE,
+ /* 2 */ rendering::ColorComponentTag::RGB_GREEN,
+ /* 3 */ rendering::ColorComponentTag::RGB_RED };
+
+ m_aComponentBitCounts = { /* 0 */ 8,
+ /* 1 */ 8,
+ /* 2 */ 8,
+ /* 3 */ 8 };
+
+ m_nRedIndex = 3;
+ m_nGreenIndex = 2;
+ m_nBlueIndex = 1;
+ m_nAlphaIndex = 0;
+ }
+ break;
+
+ case ScanlineFormat::N32BitTcArgb:
+ {
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 32;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+
+ m_aComponentTags = { /* 0 */ rendering::ColorComponentTag::ALPHA,
+ /* 1 */ rendering::ColorComponentTag::RGB_RED,
+ /* 2 */ rendering::ColorComponentTag::RGB_GREEN,
+ /* 3 */ rendering::ColorComponentTag::RGB_BLUE };
+
+ m_aComponentBitCounts = { /* 0 */ 8,
+ /* 1 */ 8,
+ /* 2 */ 8,
+ /* 3 */ 8 };
+
+ m_nRedIndex = 1;
+ m_nGreenIndex = 2;
+ m_nBlueIndex = 3;
+ m_nAlphaIndex = 0;
+ }
+ break;
+
+ case ScanlineFormat::N32BitTcBgra:
+ {
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 32;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+
+ m_aComponentTags = { /* 0 */ rendering::ColorComponentTag::RGB_BLUE,
+ /* 1 */ rendering::ColorComponentTag::RGB_GREEN,
+ /* 2 */ rendering::ColorComponentTag::RGB_RED,
+ /* 3 */ rendering::ColorComponentTag::ALPHA };
+
+ m_aComponentBitCounts = { /* 0 */ 8,
+ /* 1 */ 8,
+ /* 2 */ 8,
+ /* 3 */ 8 };
+
+ m_nRedIndex = 2;
+ m_nGreenIndex = 1;
+ m_nBlueIndex = 0;
+ m_nAlphaIndex = 3;
+ }
+ break;
+
+ case ScanlineFormat::N32BitTcRgba:
+ {
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 32;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+
+ m_aComponentTags = { /* 0 */ rendering::ColorComponentTag::RGB_RED,
+ /* 1 */ rendering::ColorComponentTag::RGB_GREEN,
+ /* 2 */ rendering::ColorComponentTag::RGB_BLUE,
+ /* 3 */ rendering::ColorComponentTag::ALPHA };
+
+ m_aComponentBitCounts = { /* 0 */ 8,
+ /* 1 */ 8,
+ /* 2 */ 8,
+ /* 3 */ 8 };
+
+ m_nRedIndex = 0;
+ m_nGreenIndex = 1;
+ m_nBlueIndex = 2;
+ m_nAlphaIndex = 3;
+ }
+ break;
+
+ case ScanlineFormat::N32BitTcMask:
+ m_bPalette = false;
+ m_nBitsPerInputPixel = 32;
+ m_aLayout.IsMsbFirst = false; // doesn't matter
+ setComponentInfo( m_pBmpAcc->GetColorMask().GetRedMask(),
+ m_pBmpAcc->GetColorMask().GetGreenMask(),
+ m_pBmpAcc->GetColorMask().GetBlueMask() );
+ break;
+
+ default:
+ OSL_FAIL( "unsupported bitmap format" );
+ break;
+ }
+
+ if( m_bPalette )
+ {
+ m_aComponentTags = { rendering::ColorComponentTag::INDEX };
+
+ m_aComponentBitCounts = { m_nBitsPerInputPixel };
+
+ m_nIndexIndex = 0;
+ }
+
+ m_nBitsPerOutputPixel = m_nBitsPerInputPixel;
+ if( !m_aBmpEx.IsAlpha() )
+ return;
+
+ // TODO(P1): need to interleave alpha with bitmap data -
+ // won't fuss with less-than-8 bit for now
+ m_nBitsPerOutputPixel = std::max(sal_Int32(8),m_nBitsPerInputPixel);
+
+ // check whether alpha goes in front or behind the
+ // bitcount sequence. If pixel format is little endian,
+ // put it behind all the other channels. If it's big
+ // endian, put it in front (because later, the actual data
+ // always gets written after the pixel data)
+
+ // TODO(Q1): slight catch - in the case of the
+ // BMP_FORMAT_32BIT_XX_ARGB formats, duplicate alpha
+ // channels might happen!
+ m_aComponentTags.realloc(m_aComponentTags.getLength()+1);
+ m_aComponentTags.getArray()[m_aComponentTags.getLength()-1] = rendering::ColorComponentTag::ALPHA;
+
+ m_aComponentBitCounts.realloc(m_aComponentBitCounts.getLength()+1);
+ m_aComponentBitCounts.getArray()[m_aComponentBitCounts.getLength()-1] = m_aBmpEx.IsAlpha() ? 8 : 1;
+
+ // always add a full byte to the pixel size, otherwise
+ // pixel packing hell breaks loose.
+ m_nBitsPerOutputPixel += 8;
+
+ // adapt scanline parameters
+ const Size aSize = m_aBitmap.GetSizePixel();
+ m_aLayout.ScanLineBytes =
+ m_aLayout.ScanLineStride = (aSize.Width()*m_nBitsPerOutputPixel + 7)/8;
+}
+
+VclCanvasBitmap::~VclCanvasBitmap()
+{
+}
+
+// XBitmap
+geometry::IntegerSize2D SAL_CALL VclCanvasBitmap::getSize()
+{
+ SolarMutexGuard aGuard;
+ return integerSize2DFromSize( m_aBitmap.GetSizePixel() );
+}
+
+sal_Bool SAL_CALL VclCanvasBitmap::hasAlpha()
+{
+ SolarMutexGuard aGuard;
+ return m_aBmpEx.IsAlpha();
+}
+
+uno::Reference< rendering::XBitmap > SAL_CALL VclCanvasBitmap::getScaledBitmap( const geometry::RealSize2D& newSize,
+ sal_Bool beFast )
+{
+ SolarMutexGuard aGuard;
+
+ BitmapEx aNewBmp( m_aBitmap );
+ aNewBmp.Scale( sizeFromRealSize2D( newSize ), beFast ? BmpScaleFlag::Default : BmpScaleFlag::BestQuality );
+ return uno::Reference<rendering::XBitmap>( new VclCanvasBitmap( aNewBmp ) );
+}
+
+// XIntegerReadOnlyBitmap
+uno::Sequence< sal_Int8 > SAL_CALL VclCanvasBitmap::getData( rendering::IntegerBitmapLayout& bitmapLayout,
+ const geometry::IntegerRectangle2D& rect )
+{
+ SolarMutexGuard aGuard;
+
+ bitmapLayout = getMemoryLayout();
+
+ const ::tools::Rectangle aRequestedArea( vcl::unotools::rectangleFromIntegerRectangle2D(rect) );
+ if( aRequestedArea.IsEmpty() )
+ return uno::Sequence< sal_Int8 >();
+
+ // Invalid/empty bitmap: no data available
+ if( !m_pBmpAcc )
+ throw lang::IndexOutOfBoundsException();
+ if( m_aBmpEx.IsAlpha() && !m_pAlphaAcc )
+ throw lang::IndexOutOfBoundsException();
+
+ if( aRequestedArea.Left() < 0 || aRequestedArea.Top() < 0 ||
+ aRequestedArea.Right() > m_pBmpAcc->Width() ||
+ aRequestedArea.Bottom() > m_pBmpAcc->Height() )
+ {
+ throw lang::IndexOutOfBoundsException();
+ }
+
+ uno::Sequence< sal_Int8 > aRet;
+ tools::Rectangle aRequestedBytes( aRequestedArea );
+
+ // adapt to byte boundaries
+ aRequestedBytes.SetLeft( aRequestedArea.Left()*m_nBitsPerOutputPixel/8 );
+ aRequestedBytes.SetRight( (aRequestedArea.Right()*m_nBitsPerOutputPixel + 7)/8 );
+
+ // copy stuff to output sequence
+ aRet.realloc(aRequestedBytes.getWidth()*aRequestedBytes.getHeight());
+ sal_Int8* pOutBuf = aRet.getArray();
+
+ bitmapLayout.ScanLines = aRequestedBytes.getHeight();
+ bitmapLayout.ScanLineBytes =
+ bitmapLayout.ScanLineStride= aRequestedBytes.getWidth();
+
+ sal_Int32 nScanlineStride=bitmapLayout.ScanLineStride;
+ if( !(m_pBmpAcc->GetScanlineFormat() & ScanlineFormat::TopDown) )
+ {
+ pOutBuf += bitmapLayout.ScanLineStride*(aRequestedBytes.getHeight()-1);
+ nScanlineStride *= -1;
+ }
+
+ if( !m_aBmpEx.IsAlpha() )
+ {
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ OSL_ENSURE(pBmpAcc,"Invalid bmp read access");
+
+ // can return bitmap data as-is
+ for( tools::Long y=aRequestedBytes.Top(); y<aRequestedBytes.Bottom(); ++y )
+ {
+ Scanline pScan = pBmpAcc->GetScanline(y);
+ memcpy(pOutBuf, pScan+aRequestedBytes.Left(), aRequestedBytes.getWidth());
+ pOutBuf += nScanlineStride;
+ }
+ }
+ else
+ {
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ Bitmap::ScopedReadAccess& pAlphaAcc = getAlphaReadAccess();
+ OSL_ENSURE(pBmpAcc,"Invalid bmp read access");
+ OSL_ENSURE(pAlphaAcc,"Invalid alpha read access");
+
+ // interleave alpha with bitmap data - note, bitcount is
+ // always integer multiple of 8
+ OSL_ENSURE((m_nBitsPerOutputPixel & 0x07) == 0,
+ "Transparent bitmap bitcount not integer multiple of 8" );
+
+ for( tools::Long y=aRequestedArea.Top(); y<aRequestedArea.Bottom(); ++y )
+ {
+ sal_Int8* pOutScan = pOutBuf;
+
+ if( m_nBitsPerInputPixel < 8 )
+ {
+ // input less than a byte - copy via GetPixel()
+ for( tools::Long x=aRequestedArea.Left(); x<aRequestedArea.Right(); ++x )
+ {
+ *pOutScan++ = pBmpAcc->GetPixelIndex(y,x);
+ *pOutScan++ = pAlphaAcc->GetPixelIndex(y,x);
+ }
+ }
+ else
+ {
+ const tools::Long nNonAlphaBytes( m_nBitsPerInputPixel/8 );
+ const tools::Long nScanlineOffsetLeft(aRequestedArea.Left()*nNonAlphaBytes);
+ Scanline pScan = pBmpAcc->GetScanline(y) + nScanlineOffsetLeft;
+ Scanline pScanlineAlpha = pAlphaAcc->GetScanline( y );
+
+ // input integer multiple of byte - copy directly
+ for( tools::Long x=aRequestedArea.Left(); x<aRequestedArea.Right(); ++x )
+ {
+ for( tools::Long i=0; i<nNonAlphaBytes; ++i )
+ *pOutScan++ = *pScan++;
+ *pOutScan++ = pAlphaAcc->GetIndexFromData( pScanlineAlpha, x );
+ }
+ }
+
+ pOutBuf += nScanlineStride;
+ }
+ }
+
+ return aRet;
+}
+
+uno::Sequence< sal_Int8 > SAL_CALL VclCanvasBitmap::getPixel( rendering::IntegerBitmapLayout& bitmapLayout,
+ const geometry::IntegerPoint2D& pos )
+{
+ SolarMutexGuard aGuard;
+
+ bitmapLayout = getMemoryLayout();
+
+ // Invalid/empty bitmap: no data available
+ if( !m_pBmpAcc )
+ throw lang::IndexOutOfBoundsException();
+ if( m_aBmpEx.IsAlpha() && !m_pAlphaAcc )
+ throw lang::IndexOutOfBoundsException();
+
+ if( pos.X < 0 || pos.Y < 0 ||
+ pos.X > m_pBmpAcc->Width() || pos.Y > m_pBmpAcc->Height() )
+ {
+ throw lang::IndexOutOfBoundsException();
+ }
+
+ uno::Sequence< sal_Int8 > aRet((m_nBitsPerOutputPixel + 7)/8);
+ sal_Int8* pOutBuf = aRet.getArray();
+
+ // copy stuff to output sequence
+ bitmapLayout.ScanLines = 1;
+ bitmapLayout.ScanLineBytes =
+ bitmapLayout.ScanLineStride= aRet.getLength();
+
+ const tools::Long nScanlineLeftOffset( pos.X*m_nBitsPerInputPixel/8 );
+ if( !m_aBmpEx.IsAlpha() )
+ {
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ assert(pBmpAcc && "Invalid bmp read access");
+
+ // can return bitmap data as-is
+ Scanline pScan = pBmpAcc->GetScanline(pos.Y);
+ memcpy(pOutBuf, pScan+nScanlineLeftOffset, aRet.getLength() );
+ }
+ else
+ {
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ Bitmap::ScopedReadAccess& pAlphaAcc = getAlphaReadAccess();
+ assert(pBmpAcc && "Invalid bmp read access");
+ assert(pAlphaAcc && "Invalid alpha read access");
+
+ // interleave alpha with bitmap data - note, bitcount is
+ // always integer multiple of 8
+ assert((m_nBitsPerOutputPixel & 0x07) == 0 &&
+ "Transparent bitmap bitcount not integer multiple of 8" );
+
+ if( m_nBitsPerInputPixel < 8 )
+ {
+ // input less than a byte - copy via GetPixel()
+ *pOutBuf++ = pBmpAcc->GetPixelIndex(pos.Y,pos.X);
+ *pOutBuf = pAlphaAcc->GetPixelIndex(pos.Y,pos.X);
+ }
+ else
+ {
+ const tools::Long nNonAlphaBytes( m_nBitsPerInputPixel/8 );
+ Scanline pScan = pBmpAcc->GetScanline(pos.Y);
+
+ // input integer multiple of byte - copy directly
+ memcpy(pOutBuf, pScan+nScanlineLeftOffset, nNonAlphaBytes );
+ pOutBuf += nNonAlphaBytes;
+ *pOutBuf++ = pAlphaAcc->GetPixelIndex(pos.Y,pos.X);
+ }
+ }
+
+ return aRet;
+}
+
+uno::Reference< rendering::XBitmapPalette > VclCanvasBitmap::getPalette()
+{
+ SolarMutexGuard aGuard;
+
+ uno::Reference< XBitmapPalette > aRet;
+ if( m_bPalette )
+ aRet.set(this);
+
+ return aRet;
+}
+
+rendering::IntegerBitmapLayout SAL_CALL VclCanvasBitmap::getMemoryLayout()
+{
+ SolarMutexGuard aGuard;
+
+ rendering::IntegerBitmapLayout aLayout( m_aLayout );
+
+ // only set references to self on separate copy of
+ // IntegerBitmapLayout - if we'd set that on m_aLayout, we'd have
+ // a circular reference!
+ if( m_bPalette )
+ aLayout.Palette.set( this );
+
+ aLayout.ColorSpace.set( this );
+
+ return aLayout;
+}
+
+sal_Int32 SAL_CALL VclCanvasBitmap::getNumberOfEntries()
+{
+ SolarMutexGuard aGuard;
+
+ if( !m_pBmpAcc )
+ return 0;
+
+ return m_pBmpAcc->HasPalette() ? m_pBmpAcc->GetPaletteEntryCount() : 0 ;
+}
+
+sal_Bool SAL_CALL VclCanvasBitmap::getIndex( uno::Sequence< double >& o_entry, sal_Int32 nIndex )
+{
+ SolarMutexGuard aGuard;
+
+ const sal_uInt16 nCount( m_pBmpAcc ?
+ (m_pBmpAcc->HasPalette() ? m_pBmpAcc->GetPaletteEntryCount() : 0 ) : 0 );
+ OSL_ENSURE(nIndex >= 0 && nIndex < nCount,"Palette index out of range");
+ if( nIndex < 0 || nIndex >= nCount )
+ throw lang::IndexOutOfBoundsException("Palette index out of range",
+ static_cast<rendering::XBitmapPalette*>(this));
+
+ const BitmapColor aCol = m_pBmpAcc->GetPaletteColor(sal::static_int_cast<sal_uInt16>(nIndex));
+ o_entry.realloc(3);
+ double* pColor=o_entry.getArray();
+ pColor[0] = aCol.GetRed();
+ pColor[1] = aCol.GetGreen();
+ pColor[2] = aCol.GetBlue();
+
+ return true; // no palette transparency here.
+}
+
+sal_Bool SAL_CALL VclCanvasBitmap::setIndex( const uno::Sequence< double >&, sal_Bool, sal_Int32 nIndex )
+{
+ SolarMutexGuard aGuard;
+
+ const sal_uInt16 nCount( m_pBmpAcc ?
+ (m_pBmpAcc->HasPalette() ? m_pBmpAcc->GetPaletteEntryCount() : 0 ) : 0 );
+
+ OSL_ENSURE(nIndex >= 0 && nIndex < nCount,"Palette index out of range");
+ if( nIndex < 0 || nIndex >= nCount )
+ throw lang::IndexOutOfBoundsException("Palette index out of range",
+ static_cast<rendering::XBitmapPalette*>(this));
+
+ return false; // read-only implementation
+}
+
+uno::Reference< rendering::XColorSpace > SAL_CALL VclCanvasBitmap::getColorSpace( )
+{
+ // this is the method from XBitmapPalette. Return palette color
+ // space here
+ static uno::Reference<rendering::XColorSpace> gColorSpace = vcl::unotools::createStandardColorSpace();
+ return gColorSpace;
+}
+
+sal_Int8 SAL_CALL VclCanvasBitmap::getType( )
+{
+ return rendering::ColorSpaceType::RGB;
+}
+
+uno::Sequence< ::sal_Int8 > SAL_CALL VclCanvasBitmap::getComponentTags( )
+{
+ SolarMutexGuard aGuard;
+ return m_aComponentTags;
+}
+
+sal_Int8 SAL_CALL VclCanvasBitmap::getRenderingIntent( )
+{
+ return rendering::RenderingIntent::PERCEPTUAL;
+}
+
+uno::Sequence< ::beans::PropertyValue > SAL_CALL VclCanvasBitmap::getProperties( )
+{
+ return uno::Sequence< ::beans::PropertyValue >();
+}
+
+uno::Sequence< double > SAL_CALL VclCanvasBitmap::convertColorSpace( const uno::Sequence< double >& deviceColor,
+ const uno::Reference< ::rendering::XColorSpace >& targetColorSpace )
+{
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+}
+
+uno::Sequence<rendering::RGBColor> SAL_CALL VclCanvasBitmap::convertToRGB( const uno::Sequence< double >& deviceColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+ ENSURE_ARG_OR_THROW2(nLen%nComponentsPerPixel==0,
+ "number of channels no multiple of pixel element count",
+ static_cast<rendering::XBitmapPalette*>(this), 01);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/nComponentsPerPixel);
+ rendering::RGBColor* pOut( aRes.getArray() );
+
+ if( m_bPalette )
+ {
+ OSL_ENSURE(m_nIndexIndex != -1,
+ "Invalid color channel indices");
+ ENSURE_OR_THROW(m_pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ const BitmapColor aCol = m_pBmpAcc->GetPaletteColor(
+ sal::static_int_cast<sal_uInt16>(deviceColor[i+m_nIndexIndex]));
+
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::RGBColor(toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ }
+ }
+ else
+ {
+ OSL_ENSURE(m_nRedIndex != -1 && m_nGreenIndex != -1 && m_nBlueIndex != -1,
+ "Invalid color channel indices");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::RGBColor(
+ deviceColor[i+m_nRedIndex],
+ deviceColor[i+m_nGreenIndex],
+ deviceColor[i+m_nBlueIndex]);
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence<rendering::ARGBColor> SAL_CALL VclCanvasBitmap::convertToARGB( const uno::Sequence< double >& deviceColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+ ENSURE_ARG_OR_THROW2(nLen%nComponentsPerPixel==0,
+ "number of channels no multiple of pixel element count",
+ static_cast<rendering::XBitmapPalette*>(this), 01);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/nComponentsPerPixel);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+
+ if( m_bPalette )
+ {
+ OSL_ENSURE(m_nIndexIndex != -1,
+ "Invalid color channel indices");
+ ENSURE_OR_THROW(m_pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ const BitmapColor aCol = m_pBmpAcc->GetPaletteColor(
+ sal::static_int_cast<sal_uInt16>(deviceColor[i+m_nIndexIndex]));
+
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( m_nAlphaIndex != -1 ? 1.0 - deviceColor[i+m_nAlphaIndex] : 1.0 );
+ *pOut++ = rendering::ARGBColor(nAlpha,
+ toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ }
+ }
+ else
+ {
+ OSL_ENSURE(m_nRedIndex != -1 && m_nGreenIndex != -1 && m_nBlueIndex != -1,
+ "Invalid color channel indices");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( m_nAlphaIndex != -1 ? 1.0 - deviceColor[i+m_nAlphaIndex] : 1.0 );
+ *pOut++ = rendering::ARGBColor(
+ nAlpha,
+ deviceColor[i+m_nRedIndex],
+ deviceColor[i+m_nGreenIndex],
+ deviceColor[i+m_nBlueIndex]);
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence<rendering::ARGBColor> SAL_CALL VclCanvasBitmap::convertToPARGB( const uno::Sequence< double >& deviceColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+ ENSURE_ARG_OR_THROW2(nLen%nComponentsPerPixel==0,
+ "number of channels no multiple of pixel element count",
+ static_cast<rendering::XBitmapPalette*>(this), 01);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/nComponentsPerPixel);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+
+ if( m_bPalette )
+ {
+ OSL_ENSURE(m_nIndexIndex != -1,
+ "Invalid color channel indices");
+ ENSURE_OR_THROW(m_pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ const BitmapColor aCol = m_pBmpAcc->GetPaletteColor(
+ sal::static_int_cast<sal_uInt16>(deviceColor[i+m_nIndexIndex]));
+
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( m_nAlphaIndex != -1 ? 1.0 - deviceColor[i+m_nAlphaIndex] : 1.0 );
+ *pOut++ = rendering::ARGBColor(nAlpha,
+ nAlpha*toDoubleColor(aCol.GetRed()),
+ nAlpha*toDoubleColor(aCol.GetGreen()),
+ nAlpha*toDoubleColor(aCol.GetBlue()));
+ }
+ }
+ else
+ {
+ OSL_ENSURE(m_nRedIndex != -1 && m_nGreenIndex != -1 && m_nBlueIndex != -1,
+ "Invalid color channel indices");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( m_nAlphaIndex != -1 ? 1.0 - deviceColor[i+m_nAlphaIndex] : 1.0 );
+ *pOut++ = rendering::ARGBColor(
+ nAlpha,
+ nAlpha*deviceColor[i+m_nRedIndex],
+ nAlpha*deviceColor[i+m_nGreenIndex],
+ nAlpha*deviceColor[i+m_nBlueIndex]);
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence< double > SAL_CALL VclCanvasBitmap::convertFromRGB( const uno::Sequence<rendering::RGBColor>& rgbColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( rgbColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+
+ uno::Sequence< double > aRes(nLen*nComponentsPerPixel);
+ double* pColors=aRes.getArray();
+
+ if( m_bPalette )
+ {
+ for( const auto& rIn : rgbColor )
+ {
+ pColors[m_nIndexIndex] = m_pBmpAcc->GetBestPaletteIndex(
+ BitmapColor(toByteColor(rIn.Red),
+ toByteColor(rIn.Green),
+ toByteColor(rIn.Blue)));
+ if( m_nAlphaIndex != -1 )
+ pColors[m_nAlphaIndex] = 1.0;
+
+ pColors += nComponentsPerPixel;
+ }
+ }
+ else
+ {
+ for( const auto& rIn : rgbColor )
+ {
+ pColors[m_nRedIndex] = rIn.Red;
+ pColors[m_nGreenIndex] = rIn.Green;
+ pColors[m_nBlueIndex] = rIn.Blue;
+ if( m_nAlphaIndex != -1 )
+ pColors[m_nAlphaIndex] = 1.0;
+
+ pColors += nComponentsPerPixel;
+ }
+ }
+ return aRes;
+}
+
+uno::Sequence< double > SAL_CALL VclCanvasBitmap::convertFromARGB( const uno::Sequence<rendering::ARGBColor>& rgbColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( rgbColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+
+ uno::Sequence< double > aRes(nLen*nComponentsPerPixel);
+ double* pColors=aRes.getArray();
+
+ if( m_bPalette )
+ {
+ for( const auto& rIn : rgbColor )
+ {
+ pColors[m_nIndexIndex] = m_pBmpAcc->GetBestPaletteIndex(
+ BitmapColor(toByteColor(rIn.Red),
+ toByteColor(rIn.Green),
+ toByteColor(rIn.Blue)));
+ if( m_nAlphaIndex != -1 )
+ pColors[m_nAlphaIndex] = rIn.Alpha;
+
+ pColors += nComponentsPerPixel;
+ }
+ }
+ else
+ {
+ for( const auto& rIn : rgbColor )
+ {
+ pColors[m_nRedIndex] = rIn.Red;
+ pColors[m_nGreenIndex] = rIn.Green;
+ pColors[m_nBlueIndex] = rIn.Blue;
+ if( m_nAlphaIndex != -1 )
+ pColors[m_nAlphaIndex] = rIn.Alpha;
+
+ pColors += nComponentsPerPixel;
+ }
+ }
+ return aRes;
+}
+
+uno::Sequence< double > SAL_CALL VclCanvasBitmap::convertFromPARGB( const uno::Sequence<rendering::ARGBColor>& rgbColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( rgbColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+
+ uno::Sequence< double > aRes(nLen*nComponentsPerPixel);
+ double* pColors=aRes.getArray();
+
+ if( m_bPalette )
+ {
+ for( const auto& rIn : rgbColor )
+ {
+ const double nAlpha( rIn.Alpha );
+ pColors[m_nIndexIndex] = m_pBmpAcc->GetBestPaletteIndex(
+ BitmapColor(toByteColor(rIn.Red / nAlpha),
+ toByteColor(rIn.Green / nAlpha),
+ toByteColor(rIn.Blue / nAlpha)));
+ if( m_nAlphaIndex != -1 )
+ pColors[m_nAlphaIndex] = nAlpha;
+
+ pColors += nComponentsPerPixel;
+ }
+ }
+ else
+ {
+ for( const auto& rIn : rgbColor )
+ {
+ const double nAlpha( rIn.Alpha );
+ pColors[m_nRedIndex] = rIn.Red / nAlpha;
+ pColors[m_nGreenIndex] = rIn.Green / nAlpha;
+ pColors[m_nBlueIndex] = rIn.Blue / nAlpha;
+ if( m_nAlphaIndex != -1 )
+ pColors[m_nAlphaIndex] = nAlpha;
+
+ pColors += nComponentsPerPixel;
+ }
+ }
+ return aRes;
+}
+
+sal_Int32 SAL_CALL VclCanvasBitmap::getBitsPerPixel( )
+{
+ SolarMutexGuard aGuard;
+ return m_nBitsPerOutputPixel;
+}
+
+uno::Sequence< ::sal_Int32 > SAL_CALL VclCanvasBitmap::getComponentBitCounts( )
+{
+ SolarMutexGuard aGuard;
+ return m_aComponentBitCounts;
+}
+
+sal_Int8 SAL_CALL VclCanvasBitmap::getEndianness( )
+{
+ return util::Endianness::LITTLE;
+}
+
+uno::Sequence<double> SAL_CALL VclCanvasBitmap::convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< ::rendering::XColorSpace >& targetColorSpace )
+{
+ if( dynamic_cast<VclCanvasBitmap*>(targetColorSpace.get()) )
+ {
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nComponentsPerPixel(m_aComponentTags.getLength());
+ ENSURE_ARG_OR_THROW2(nLen%nComponentsPerPixel==0,
+ "number of channels no multiple of pixel element count",
+ static_cast<rendering::XBitmapPalette*>(this), 01);
+
+ uno::Sequence<double> aRes(nLen);
+ double* pOut( aRes.getArray() );
+
+ if( m_bPalette )
+ {
+ OSL_ENSURE(m_nIndexIndex != -1,
+ "Invalid color channel indices");
+ ENSURE_OR_THROW(m_pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ const BitmapColor aCol = m_pBmpAcc->GetPaletteColor(
+ sal::static_int_cast<sal_uInt16>(deviceColor[i+m_nIndexIndex]));
+
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( m_nAlphaIndex != -1 ? 1.0 - deviceColor[i+m_nAlphaIndex] : 1.0 );
+ *pOut++ = toDoubleColor(aCol.GetRed());
+ *pOut++ = toDoubleColor(aCol.GetGreen());
+ *pOut++ = toDoubleColor(aCol.GetBlue());
+ *pOut++ = nAlpha;
+ }
+ }
+ else
+ {
+ OSL_ENSURE(m_nRedIndex != -1 && m_nGreenIndex != -1 && m_nBlueIndex != -1,
+ "Invalid color channel indices");
+
+ for( std::size_t i=0; i<nLen; i+=nComponentsPerPixel )
+ {
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( m_nAlphaIndex != -1 ? 1.0 - deviceColor[i+m_nAlphaIndex] : 1.0 );
+ *pOut++ = deviceColor[i+m_nRedIndex];
+ *pOut++ = deviceColor[i+m_nGreenIndex];
+ *pOut++ = deviceColor[i+m_nBlueIndex];
+ *pOut++ = nAlpha;
+ }
+ }
+
+ return aRes;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+}
+
+uno::Sequence< ::sal_Int8 > SAL_CALL VclCanvasBitmap::convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< ::rendering::XIntegerBitmapColorSpace >& targetColorSpace )
+{
+ if( dynamic_cast<VclCanvasBitmap*>(targetColorSpace.get()) )
+ {
+ // it's us, so simply pass-through the data
+ return deviceColor;
+ }
+ else
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertIntegerToARGB(deviceColor));
+ return targetColorSpace->convertIntegerFromARGB(aIntermediate);
+ }
+}
+
+uno::Sequence<rendering::RGBColor> SAL_CALL VclCanvasBitmap::convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor )
+{
+ SolarMutexGuard aGuard;
+
+ const sal_uInt8* pIn( reinterpret_cast<const sal_uInt8*>(deviceColor.getConstArray()) );
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nNumColors((nLen*8 + m_nBitsPerOutputPixel-1)/m_nBitsPerOutputPixel);
+
+ uno::Sequence< rendering::RGBColor > aRes(nNumColors);
+ rendering::RGBColor* pOut( aRes.getArray() );
+
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ ENSURE_OR_THROW(pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ if( m_aBmpEx.IsAlpha() )
+ {
+ const sal_Int32 nBytesPerPixel((m_nBitsPerOutputPixel+7)/8);
+ for( std::size_t i=0; i<nLen; i+=nBytesPerPixel )
+ {
+ // if palette, index is guaranteed to be 8 bit
+ const BitmapColor aCol =
+ m_bPalette ?
+ pBmpAcc->GetPaletteColor(*pIn) :
+ pBmpAcc->GetPixelFromData(pIn,0);
+
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::RGBColor(toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ // skips alpha
+ pIn += nBytesPerPixel;
+ }
+ }
+ else
+ {
+ for( sal_Int32 i=0; i<nNumColors; ++i )
+ {
+ const BitmapColor aCol =
+ m_bPalette ?
+ pBmpAcc->GetPaletteColor( pBmpAcc->GetPixelFromData( pIn, i ).GetIndex()) :
+ pBmpAcc->GetPixelFromData(pIn, i);
+
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::RGBColor(toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence<rendering::ARGBColor> SAL_CALL VclCanvasBitmap::convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor )
+{
+ SolarMutexGuard aGuard;
+
+ const sal_uInt8* pIn( reinterpret_cast<const sal_uInt8*>(deviceColor.getConstArray()) );
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nNumColors((nLen*8 + m_nBitsPerOutputPixel-1)/m_nBitsPerOutputPixel);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nNumColors);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ ENSURE_OR_THROW(pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ if( m_aBmpEx.IsAlpha() )
+ {
+ const tools::Long nNonAlphaBytes( (m_nBitsPerInputPixel+7)/8 );
+ const sal_Int32 nBytesPerPixel((m_nBitsPerOutputPixel+7)/8);
+ const sal_uInt8 nAlphaFactor( m_aBmpEx.IsAlpha() ? 1 : 255 );
+ for( std::size_t i=0; i<nLen; i+=nBytesPerPixel )
+ {
+ // if palette, index is guaranteed to be 8 bit
+ const BitmapColor aCol =
+ m_bPalette ?
+ pBmpAcc->GetPaletteColor(*pIn) :
+ pBmpAcc->GetPixelFromData(pIn,0);
+
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::ARGBColor(1.0 - toDoubleColor(nAlphaFactor*pIn[nNonAlphaBytes]),
+ toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ pIn += nBytesPerPixel;
+ }
+ }
+ else
+ {
+ for( sal_Int32 i=0; i<nNumColors; ++i )
+ {
+ const BitmapColor aCol =
+ m_bPalette ?
+ pBmpAcc->GetPaletteColor( pBmpAcc->GetPixelFromData( pIn, i ).GetIndex() ) :
+ pBmpAcc->GetPixelFromData(pIn, i);
+
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::ARGBColor(1.0,
+ toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence<rendering::ARGBColor> SAL_CALL VclCanvasBitmap::convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor )
+{
+ SolarMutexGuard aGuard;
+
+ const sal_uInt8* pIn( reinterpret_cast<const sal_uInt8*>(deviceColor.getConstArray()) );
+ const std::size_t nLen( deviceColor.getLength() );
+ const sal_Int32 nNumColors((nLen*8 + m_nBitsPerOutputPixel-1)/m_nBitsPerOutputPixel);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nNumColors);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+ ENSURE_OR_THROW(pBmpAcc,
+ "Unable to get BitmapAccess");
+
+ if( m_aBmpEx.IsAlpha() )
+ {
+ const tools::Long nNonAlphaBytes( (m_nBitsPerInputPixel+7)/8 );
+ const sal_Int32 nBytesPerPixel((m_nBitsPerOutputPixel+7)/8);
+ const sal_uInt8 nAlphaFactor( m_aBmpEx.IsAlpha() ? 1 : 255 );
+ for( std::size_t i=0; i<nLen; i+=nBytesPerPixel )
+ {
+ // if palette, index is guaranteed to be 8 bit
+ const BitmapColor aCol =
+ m_bPalette ?
+ pBmpAcc->GetPaletteColor(*pIn) :
+ pBmpAcc->GetPixelFromData(pIn,0);
+
+ // TODO(F3): Convert result to sRGB color space
+ const double nAlpha( 1.0 - toDoubleColor(nAlphaFactor*pIn[nNonAlphaBytes]) );
+ *pOut++ = rendering::ARGBColor(nAlpha,
+ nAlpha*toDoubleColor(aCol.GetRed()),
+ nAlpha*toDoubleColor(aCol.GetGreen()),
+ nAlpha*toDoubleColor(aCol.GetBlue()));
+ pIn += nBytesPerPixel;
+ }
+ }
+ else
+ {
+ for( sal_Int32 i=0; i<nNumColors; ++i )
+ {
+ const BitmapColor aCol =
+ m_bPalette ?
+ pBmpAcc->GetPaletteColor( pBmpAcc->GetPixelFromData( pIn, i ).GetIndex() ) :
+ pBmpAcc->GetPixelFromData(pIn, i);
+
+ // TODO(F3): Convert result to sRGB color space
+ *pOut++ = rendering::ARGBColor(1.0,
+ toDoubleColor(aCol.GetRed()),
+ toDoubleColor(aCol.GetGreen()),
+ toDoubleColor(aCol.GetBlue()));
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence< ::sal_Int8 > SAL_CALL VclCanvasBitmap::convertIntegerFromRGB( const uno::Sequence<rendering::RGBColor>& rgbColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( rgbColor.getLength() );
+ const sal_Int32 nNumBytes((nLen*m_nBitsPerOutputPixel+7)/8);
+
+ uno::Sequence< sal_Int8 > aRes(nNumBytes);
+ sal_uInt8* pColors=reinterpret_cast<sal_uInt8*>(aRes.getArray());
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+
+ if( m_aBmpEx.IsAlpha() )
+ {
+ const tools::Long nNonAlphaBytes( (m_nBitsPerInputPixel+7)/8 );
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const BitmapColor aCol(toByteColor(rgbColor[i].Red),
+ toByteColor(rgbColor[i].Green),
+ toByteColor(rgbColor[i].Blue));
+ const BitmapColor aCol2 =
+ m_bPalette ?
+ BitmapColor(
+ sal::static_int_cast<sal_uInt8>(pBmpAcc->GetBestPaletteIndex( aCol ))) :
+ aCol;
+
+ pBmpAcc->SetPixelOnData(pColors,i,aCol2);
+ pColors += nNonAlphaBytes;
+ *pColors++ = sal_uInt8(255);
+ }
+ }
+ else
+ {
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const BitmapColor aCol(toByteColor(rgbColor[i].Red),
+ toByteColor(rgbColor[i].Green),
+ toByteColor(rgbColor[i].Blue));
+ const BitmapColor aCol2 =
+ m_bPalette ?
+ BitmapColor(
+ sal::static_int_cast<sal_uInt8>(pBmpAcc->GetBestPaletteIndex( aCol ))) :
+ aCol;
+
+ pBmpAcc->SetPixelOnData(pColors,i,aCol2);
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence< ::sal_Int8 > SAL_CALL VclCanvasBitmap::convertIntegerFromARGB( const uno::Sequence<rendering::ARGBColor>& rgbColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( rgbColor.getLength() );
+ const sal_Int32 nNumBytes((nLen*m_nBitsPerOutputPixel+7)/8);
+
+ uno::Sequence< sal_Int8 > aRes(nNumBytes);
+ sal_uInt8* pColors=reinterpret_cast<sal_uInt8*>(aRes.getArray());
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+
+ if( m_aBmpEx.IsAlpha() )
+ {
+ const tools::Long nNonAlphaBytes( (m_nBitsPerInputPixel+7)/8 );
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const BitmapColor aCol(toByteColor(rgbColor[i].Red),
+ toByteColor(rgbColor[i].Green),
+ toByteColor(rgbColor[i].Blue));
+ const BitmapColor aCol2 =
+ m_bPalette ?
+ BitmapColor(
+ sal::static_int_cast<sal_uInt8>(pBmpAcc->GetBestPaletteIndex( aCol ))) :
+ aCol;
+
+ pBmpAcc->SetPixelOnData(pColors,i,aCol2);
+ pColors += nNonAlphaBytes;
+ *pColors++ = 255 - toByteColor(rgbColor[i].Alpha);
+ }
+ }
+ else
+ {
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const BitmapColor aCol(toByteColor(rgbColor[i].Red),
+ toByteColor(rgbColor[i].Green),
+ toByteColor(rgbColor[i].Blue));
+ const BitmapColor aCol2 =
+ m_bPalette ?
+ BitmapColor(
+ sal::static_int_cast<sal_uInt8>(pBmpAcc->GetBestPaletteIndex( aCol ))) :
+ aCol;
+
+ pBmpAcc->SetPixelOnData(pColors,i,aCol2);
+ }
+ }
+
+ return aRes;
+}
+
+uno::Sequence< ::sal_Int8 > SAL_CALL VclCanvasBitmap::convertIntegerFromPARGB( const uno::Sequence<rendering::ARGBColor>& rgbColor )
+{
+ SolarMutexGuard aGuard;
+
+ const std::size_t nLen( rgbColor.getLength() );
+ const sal_Int32 nNumBytes((nLen*m_nBitsPerOutputPixel+7)/8);
+
+ uno::Sequence< sal_Int8 > aRes(nNumBytes);
+ sal_uInt8* pColors=reinterpret_cast<sal_uInt8*>(aRes.getArray());
+ Bitmap::ScopedReadAccess& pBmpAcc = getBitmapReadAccess();
+
+ if( m_aBmpEx.IsAlpha() )
+ {
+ const tools::Long nNonAlphaBytes( (m_nBitsPerInputPixel+7)/8 );
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const double nAlpha( rgbColor[i].Alpha );
+ const BitmapColor aCol(toByteColor(rgbColor[i].Red / nAlpha),
+ toByteColor(rgbColor[i].Green / nAlpha),
+ toByteColor(rgbColor[i].Blue / nAlpha));
+ const BitmapColor aCol2 =
+ m_bPalette ?
+ BitmapColor(
+ sal::static_int_cast<sal_uInt8>(pBmpAcc->GetBestPaletteIndex( aCol ))) :
+ aCol;
+
+ pBmpAcc->SetPixelOnData(pColors,i,aCol2);
+ pColors += nNonAlphaBytes;
+ *pColors++ = 255 - toByteColor(nAlpha);
+ }
+ }
+ else
+ {
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ const BitmapColor aCol(toByteColor(rgbColor[i].Red),
+ toByteColor(rgbColor[i].Green),
+ toByteColor(rgbColor[i].Blue));
+ const BitmapColor aCol2 =
+ m_bPalette ?
+ BitmapColor(
+ sal::static_int_cast<sal_uInt8>(pBmpAcc->GetBestPaletteIndex( aCol ))) :
+ aCol;
+
+ pBmpAcc->SetPixelOnData(pColors,i,aCol2);
+ }
+ }
+
+ return aRes;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */