Classes
class	RawBitmap
	Intended to be used to feed into CreateFromData to create a BitmapEx. More...

class	ScanlineTransformer

class	ScanlineTransformer_1BitPalette

class	ScanlineTransformer_4BitPalette

class	ScanlineTransformer_8BitPalette

class	ScanlineTransformer_ARGB

class	ScanlineTransformer_BGR

Typedefs
typedef std::array< std::array< sal_uInt8, 256 >, 256 >	lookup_table

Functions
BitmapEx	loadFromName (const OUString &rFileName, const ImageLoadFlags eFlags)

void	loadFromSvg (SvStream &rStream, const OUString &sPath, BitmapEx &rBitmapEx, double fScalingFactor)

BitmapEx	CreateFromData (sal_uInt8 const *pData, sal_Int32 nWidth, sal_Int32 nHeight, sal_Int32 nStride, vcl::PixelFormat ePixelFormat)
	Copy block of image data into the bitmap. More...

BitmapEx	CreateFromData (RawBitmap &&rawBitmap)
	Copy block of image data into the bitmap. More...

BitmapEx	CanvasTransformBitmap (const BitmapEx &rBitmap, const ::basegfx::B2DHomMatrix &rTransform,::basegfx::B2DRectangle const &rDestRect,::basegfx::B2DHomMatrix const &rLocalTransform)

void	DrawAlphaBitmapAndAlphaGradient (BitmapEx &rBitmapEx, bool bFixedTransparence, float fTransparence, AlphaMask &rNewMask)

void	DrawAndClipBitmap (const Point &rPos, const Size &rSize, const BitmapEx &rBitmap, BitmapEx &aBmpEx, basegfx::B2DPolyPolygon const &rClipPath)

css::uno::Sequence< sal_Int8 >	GetMaskDIB (BitmapEx const &aBmpEx)

static bool	readAlpha (BitmapReadAccess const pAlphaReadAcc, tools::Long nY, const tools::Long nWidth, unsigned char data, tools::Long nOff)

void	CanvasCairoExtractBitmapData (BitmapEx const &rBmpEx, Bitmap &rBitmap, unsigned char *&data, bool &bHasAlpha, tools::Long &rnWidth, tools::Long &rnHeight)

uno::Sequence< sal_Int8 >	CanvasExtractBitmapData (BitmapEx const &rBitmapEx, const geometry::IntegerRectangle2D &rect)

BitmapEx	createHistorical8x8FromArray (std::array< sal_uInt8, 64 > const &pArray, Color aColorPix, Color aColorBack)

bool	isHistorical8x8 (const BitmapEx &rBitmapEx, Color &o_rBack, Color &o_rFront)

sal_uInt8	unpremultiply (sal_uInt8 c, sal_uInt8 a)

static constexpr sal_uInt8	unpremultiplyImpl (sal_uInt8 c, sal_uInt8 a)

sal_uInt8	premultiply (sal_uInt8 c, sal_uInt8 a)

static constexpr sal_uInt8	premultiplyImpl (sal_uInt8 c, sal_uInt8 a)

template<int... Is>
static constexpr std::array< sal_uInt8, 256 >	make_unpremultiply_table_row_ (int a, std::integer_sequence< int, Is... >)

template<int... Is>
static constexpr lookup_table	make_unpremultiply_table_ (std::integer_sequence< int, Is... >)

lookup_table const &	get_unpremultiply_table ()

template<int... Is>
static constexpr std::array< sal_uInt8, 256 >	make_premultiply_table_row_ (int a, std::integer_sequence< int, Is... >)

template<int... Is>
static constexpr lookup_table	make_premultiply_table_ (std::integer_sequence< int, Is... >)

lookup_table const &	get_premultiply_table ()

bool	convertBitmap32To24Plus8 (BitmapEx const &rInput, BitmapEx &rResult)

std::unique_ptr< ScanlineTransformer >	getScanlineTransformer (sal_uInt16 nBits, const BitmapPalette &rPalette)

template<int STRIP_SIZE>
void	generateStripRanges (tools::Long nFirst, tools::Long nLast, std::function< void(tools::Long const nStart, tools::Long const nEnd, bool const bLast)> aFunction)

VCL_DLLPUBLIC css::uno::Sequence< sal_Int8 >	CanvasExtractBitmapData (BitmapEx const &rBitmapEx, const css::geometry::IntegerRectangle2D &rect)

Typedef Documentation

typedef std::array<std::array<sal_uInt8, 256>, 256> vcl::bitmap::lookup_table

Definition at line 29 of file BitmapTools.hxx.

Function Documentation

VCL_DLLPUBLIC void vcl::bitmap::CanvasCairoExtractBitmapData	(	BitmapEx const &	aBmpEx,
		Bitmap &	aBitmap,
		unsigned char *&	data,
		bool &	bHasAlpha,
		tools::Long &	rnWidth,
		tools::Long &	rnHeight
	)

Parameters

data	will be filled with alpha data, if xBitmap is alpha/transparent image
bHasAlpha	will be set to true if resulting surface has alpha

Definition at line 665 of file BitmapTools.cxx.

References Bitmap::AcquireReadAccess(), get_premultiply_table(), BitmapEx::GetAlpha(), Color::GetBlue(), BitmapReadAccess::GetColor(), Color::GetGreen(), BitmapInfoAccess::GetPaletteColor(), Color::GetRed(), BitmapReadAccess::GetScanline(), BitmapInfoAccess::GetScanlineFormat(), BitmapInfoAccess::Height(), BitmapEx::IsAlpha(), N24BitTcBgr, N24BitTcRgb, N32BitTcBgra, N32BitTcRgba, N8BitPal, readAlpha(), AlphaMask::ReleaseAccess(), Bitmap::ReleaseAccess(), SAL_INFO, and BitmapInfoAccess::Width().

VCL_DLLPUBLIC css::uno::Sequence< sal_Int8 > vcl::bitmap::CanvasExtractBitmapData	(	BitmapEx const &	rBitmapEx,
		const css::geometry::IntegerRectangle2D &	rect
	)

uno::Sequence< sal_Int8 > vcl::bitmap::CanvasExtractBitmapData	(	BitmapEx const &	rBitmapEx,
		const geometry::IntegerRectangle2D &	rect
	)

Definition at line 886 of file BitmapTools.cxx.

References assert(), BitmapEx::GetAlpha(), AlphaMask::GetBitmap(), BitmapEx::GetBitmap(), x, and y.

VCL_DLLPUBLIC BitmapEx vcl::bitmap::CanvasTransformBitmap	(	const BitmapEx &	rBitmap,
		const ::basegfx::B2DHomMatrix &	rTransform,
		::basegfx::B2DRectangle const &	rDestRect,
		::basegfx::B2DHomMatrix const &	rLocalTransform
	)

VCL_DLLPUBLIC bool vcl::bitmap::convertBitmap32To24Plus8	(	BitmapEx const &	rInput,
		BitmapEx &	rResult
	)

Definition at line 1093 of file BitmapTools.cxx.

References Color::GetAlpha(), BitmapEx::GetAlpha(), BitmapEx::GetBitmap(), Color::GetBlue(), Color::GetGreen(), BitmapReadAccess::GetPixelFromData(), Color::GetRed(), BitmapReadAccess::GetScanline(), Size::Height(), BitmapEx::IsAlpha(), vcl::N24_BPP, vcl::N32_BPP, and Size::Width().

Referenced by vcl::PNGWriterImpl::PNGWriterImpl().

BitmapEx VCL_DLLPUBLIC vcl::bitmap::CreateFromData	(	sal_uInt8 const *	pData,
		sal_Int32	nWidth,
		sal_Int32	nHeight,
		sal_Int32	nStride,
		vcl::PixelFormat	ePixelFormat
	)

Copy block of image data into the bitmap.

Assumes that the Bitmap has been constructed with the desired size.

Parameters

pData	The block of data to copy
nStride	The number of bytes in a scanline, must >= (width * nBitCount / 8)

Assumes that the Bitmap has been constructed with the desired size.

Parameters

pData	The block of data to copy
nStride	The number of bytes in a scanline, must be >= (width * bitcount / 8)

Definition at line 129 of file BitmapTools.cxx.

References assert(), vcl::ScopedBitmapAccess< Access, Bitmap, Acquire >::get(), nBitCount, p, vcl::ScopedBitmapAccess< Access, Bitmap, Acquire >::reset(), x, and y.

Referenced by ImportEpsGraphic().

BitmapEx VCL_DLLPUBLIC vcl::bitmap::CreateFromData ( RawBitmap && rawBitmap )

Copy block of image data into the bitmap.

Assumes that the Bitmap has been constructed with the desired size.

Definition at line 195 of file BitmapTools.cxx.

References assert(), vcl::ScopedBitmapAccess< Access, Bitmap, Acquire >::get(), vcl::INVALID, vcl::N24_BPP, vcl::N32_BPP, nBitCount, p, vcl::ScopedBitmapAccess< Access, Bitmap, Acquire >::reset(), x, and y.

BitmapEx VCL_DLLPUBLIC vcl::bitmap::createHistorical8x8FromArray	(	std::array< sal_uInt8, 64 > const &	pArray,
		Color	aColorPix,
		Color	aColorBack
	)

Definition at line 939 of file BitmapTools.cxx.

References a, vcl::N1_BPP, and pContent.

VCL_DLLPUBLIC void vcl::bitmap::DrawAlphaBitmapAndAlphaGradient	(	BitmapEx &	rBitmapEx,
		bool	bFixedTransparence,
		float	fTransparence,
		AlphaMask &	rNewMask
	)

Definition at line 477 of file BitmapTools.cxx.

References assert(), basegfx::fround(), BitmapEx::GetAlpha(), BitmapEx::GetBitmap(), BitmapEx::IsAlpha(), x, and y.

VCL_DLLPUBLIC void vcl::bitmap::DrawAndClipBitmap	(	const Point &	rPos,
		const Size &	rSize,
		const BitmapEx &	rBitmap,
		BitmapEx &	aBmpEx,
		basegfx::B2DPolyPolygon const &	rClipPath
	)

Definition at line 540 of file BitmapTools.cxx.

References COL_BLACK, BitmapEx::GetAlpha(), BitmapEx::GetBitmap(), BitmapEx::GetSizePixel(), BitmapEx::IsAlpha(), Point, vcl::ScopedBitmapAccess< Access, Bitmap, Acquire >::reset(), MapMode::SetOrigin(), MapMode::SetScaleX(), and MapMode::SetScaleY().

template<int STRIP_SIZE>

void vcl::bitmap::generateStripRanges	(	tools::Long	nFirst,
		tools::Long	nLast,
		std::function< void(tools::Long const nStart, tools::Long const nEnd, bool const bLast)>	aFunction
	)

Definition at line 30 of file BitmapFilter.hxx.

VCL_DLLPUBLIC lookup_table const & vcl::bitmap::get_premultiply_table ( )

Definition at line 1086 of file BitmapTools.cxx.

References make_premultiply_table_().

Referenced by CanvasCairoExtractBitmapData(), and premultiply().

VCL_DLLPUBLIC lookup_table const & vcl::bitmap::get_unpremultiply_table ( )

Definition at line 1067 of file BitmapTools.cxx.

References make_unpremultiply_table_().

Referenced by unpremultiply().

VCL_DLLPUBLIC css::uno::Sequence< sal_Int8 > vcl::bitmap::GetMaskDIB ( BitmapEx const & aBmpEx )

Definition at line 609 of file BitmapTools.cxx.

References BitmapEx::GetAlpha(), AlphaMask::GetBitmap(), SvMemoryStream::GetData(), BitmapEx::IsAlpha(), SvStream::Tell(), and WriteDIB().

std::unique_ptr<ScanlineTransformer> vcl::bitmap::getScanlineTransformer	(	sal_uInt16	nBits,
		const BitmapPalette &	rPalette
	)

Definition at line 211 of file ScanlineTools.hxx.

References assert().

bool VCL_DLLPUBLIC vcl::bitmap::isHistorical8x8	(	const BitmapEx &	rBitmapEx,
		Color &	o_rBack,
		Color &	o_rFront
	)

Definition at line 967 of file BitmapTools.cxx.

References BitmapEx::GetBitmap(), BitmapReadAccess::GetColor(), Color::GetLuminance(), BitmapInfoAccess::GetPalette(), BitmapInfoAccess::GetPaletteEntryCount(), BitmapInfoAccess::HasPalette(), BitmapInfoAccess::Height(), BitmapEx::IsAlpha(), vcl::N1_BPP, Bitmap::ReleaseAccess(), BitmapInfoAccess::Width(), x, and y.

BitmapEx VCL_DLLPUBLIC vcl::bitmap::loadFromName	(	const OUString &	rFileName,
		const ImageLoadFlags	eFlags
	)

Definition at line 51 of file BitmapTools.cxx.

References StyleSettings::DetermineIconTheme(), ImageTree::get(), Application::GetSettings(), AllSettings::GetStyleSettings(), ImageTree::loadImage(), and SAL_WARN_IF.

void vcl::bitmap::loadFromSvg	(	SvStream &	rStream,
		const OUString &	sPath,
		BitmapEx &	rBitmapEx,
		double	fScalingFactor
	)

Definition at line 71 of file BitmapTools.cxx.

References aBuffer, aData, vcl::unotools::bitmapExFromXBitmap(), basegfx::B2DRange::expand(), basegfx::B2DRange::getMaxX(), basegfx::B2DRange::getMaxY(), basegfx::B2DRange::getMinX(), basegfx::B2DRange::getMinY(), comphelper::getProcessComponentContext(), basegfx::B2DRange::getRange(), SvStream::ReadBytes(), and SvStream::remainingSize().

template<int... Is>

static constexpr lookup_table vcl::bitmap::make_premultiply_table_ ( std::integer_sequence< int, Is... > )

static

Definition at line 1080 of file BitmapTools.cxx.

References make_premultiply_table_row_().

Referenced by get_premultiply_table().

template<int... Is>

static constexpr std::array<sal_uInt8, 256> vcl::bitmap::make_premultiply_table_row_	(	int	a,
		std::integer_sequence< int, Is... >
	)

static

Definition at line 1074 of file BitmapTools.cxx.

References premultiplyImpl().

Referenced by make_premultiply_table_().

template<int... Is>

static constexpr lookup_table vcl::bitmap::make_unpremultiply_table_ ( std::integer_sequence< int, Is... > )

static

Definition at line 1061 of file BitmapTools.cxx.

References make_unpremultiply_table_row_().

Referenced by get_unpremultiply_table().

template<int... Is>

static constexpr std::array<sal_uInt8, 256> vcl::bitmap::make_unpremultiply_table_row_	(	int	a,
		std::integer_sequence< int, Is... >
	)

static

Definition at line 1055 of file BitmapTools.cxx.

References unpremultiplyImpl().

Referenced by make_unpremultiply_table_().

sal_uInt8 vcl::bitmap::premultiply	(	sal_uInt8	c,
		sal_uInt8	a
	)

Definition at line 1045 of file BitmapTools.cxx.

References get_premultiply_table().

Referenced by BitmapReadAccess::SetPixelForN32BitTcAbgr(), BitmapReadAccess::SetPixelForN32BitTcArgb(), BitmapReadAccess::SetPixelForN32BitTcBgra(), and BitmapReadAccess::SetPixelForN32BitTcRgba().

static constexpr sal_uInt8 vcl::bitmap::premultiplyImpl	(	sal_uInt8	c,
		sal_uInt8	a
	)

static

Definition at line 1050 of file BitmapTools.cxx.

Referenced by make_premultiply_table_row_().

static bool vcl::bitmap::readAlpha	(	BitmapReadAccess const *	pAlphaReadAcc,
		tools::Long	nY,
		const tools::Long	nWidth,
		unsigned char *	data,
		tools::Long	nOff
	)

static

Definition at line 621 of file BitmapTools.cxx.

References BitmapReadAccess::GetColor(), BitmapColor::GetIndex(), BitmapInfoAccess::GetPaletteColor(), BitmapReadAccess::GetScanline(), BitmapInfoAccess::GetScanlineFormat(), N8BitPal, and SAL_INFO.

Referenced by CanvasCairoExtractBitmapData().

sal_uInt8 vcl::bitmap::unpremultiply	(	sal_uInt8	c,
		sal_uInt8	a
	)

Definition at line 1035 of file BitmapTools.cxx.

References get_unpremultiply_table().

Referenced by BitmapReadAccess::GetPixelForN32BitTcAbgr(), BitmapReadAccess::GetPixelForN32BitTcArgb(), BitmapReadAccess::GetPixelForN32BitTcBgra(), and BitmapReadAccess::GetPixelForN32BitTcRgba().

static constexpr sal_uInt8 vcl::bitmap::unpremultiplyImpl	(	sal_uInt8	c,
		sal_uInt8	a
	)

static

Definition at line 1040 of file BitmapTools.cxx.

Referenced by make_unpremultiply_table_row_().

Classes

Typedefs

Functions

Typedef Documentation

Function Documentation