#include <GiRasterImage.h>

Inheritance diagram for OdGiRasterImage:

Classes
struct	tagPixelFormatInfo

Public Types
enum	Units { kNone = 0, kMillimeter, kCentimeter, kMeter, kKilometer, kInch, kFoot, kYard, kMile, kMicroinches, kMils, kAngstroms, kNanometers, kMicrons, kDecimeters, kDekameters, kHectometers, kGigameters, kAstronomical, kLightYears, kParsecs }

enum	ImageSource { kUndefinedSource = -1, kFromDwg = 0, kFromOleObject = 1, kFromRender = 2, kFromUnderlay = 10, kFromImageBGRA32 = 11, kFromPdfUnderlay = kFromOleObject, kFromFile = kFromDwg }

enum	TransparencyMode { kTransparencyDef = -1, kTransparencyOff = 0, kTransparency1Bit = 1, kTransparency8Bit = 2 }

typedef struct OdGiRasterImage::tagPixelFormatInfo	PixelFormatInfo

Public Member Functions
	ODRX_DECLARE_MEMBERS (OdGiRasterImage)

virtual OdUInt32	pixelWidth () const =0

virtual OdUInt32	pixelHeight () const =0

virtual Units	defaultResolution (double &xPelsPerUnit, double &yPelsPerUnit) const

virtual OdUInt32	colorDepth () const =0

virtual OdUInt32	numColors () const =0

virtual int	transparentColor () const

virtual ODCOLORREF	color (OdUInt32 colorIndex) const =0

virtual OdUInt32	paletteDataSize () const =0

virtual void	paletteData (OdUInt8 *bytes) const =0

virtual OdUInt32	scanLineSize () const

virtual const OdUInt8 *	scanLines () const =0

virtual void	scanLines (OdUInt8 *scnLines, OdUInt32 firstScanline, OdUInt32 numLines=1) const =0

virtual PixelFormatInfo	pixelFormat () const =0

virtual OdUInt32	scanLinesAlignment () const =0

virtual ImageSource	imageSource () const

virtual const OdString &	sourceFileName () const

virtual TransparencyMode	transparencyMode () const

OdSmartPtr< OdGiRasterImage >	changeImageSource (ImageSource source, const OdChar *pFileName=NULL)

OdSmartPtr< OdGiRasterImage >	changeSourceFileName (const OdString &fileName)

OdSmartPtr< OdGiRasterImage >	changeTransparencyMode (TransparencyMode mode)

OdSmartPtr< OdGiRasterImage >	convert (bool convertPaletteToRGB, double brightness=50.0, double contrast=50.0, double fade=0.0, ODCOLORREF backgroundColor=0, bool flipX=false, bool flipY=false, bool rotate90=false, const OdGiRasterImage *pDestDesc=0, bool transparency=false) const

virtual OdSmartPtr< OdGiRasterImage >	crop (OdUInt32 x, OdUInt32 y, OdUInt32 width, OdUInt32 height) const

virtual void *	imp () const

Public Member Functions inherited from OdRxObject
	ODRX_HEAP_OPERATORS ()

	OdRxObject ()

virtual	~OdRxObject ()

virtual OdRxObject *	queryX (const OdRxClass *pClass) const

virtual OdRxObject *	x (const OdRxClass *pClass) const

virtual OdRxClass *	isA () const

virtual void	addRef ()=0

virtual void	release ()=0

virtual long	numRefs () const

bool	isKindOf (const OdRxClass *pClass) const

virtual OdRxObjectPtr	clone () const

virtual void	copyFrom (const OdRxObject *pSource)

virtual OdRx::Ordering	comparedTo (const OdRxObject *pOther) const

virtual bool	isEqualTo (const OdRxObject *pOther) const

Static Public Member Functions
static OdUInt32	calcBMPScanLineSize (OdUInt32 pixelWidth, int colorDepth)

static OdUInt32	calcColorMask (OdUInt8 numColorBits, OdUInt8 colorOffset=0)

Static Public Member Functions inherited from OdRxObject
static OdRxObjectPtr	cast (const OdRxObject *pointer)

static OdRxClass *	desc ()

Detailed Description

This class represents a raster image within the Teigha vectorization framework. Corresponding C++ library: TD_Gi <group OdGi_Classes>

Definition at line 36 of file GiRasterImage.h.

Member Typedef Documentation

◆ PixelFormatInfo

typedef struct OdGiRasterImage::tagPixelFormatInfo OdGiRasterImage::PixelFormatInfo

Member Enumeration Documentation

◆ ImageSource

enum OdGiRasterImage::ImageSource

Enumerator
kUndefinedSource
kFromDwg
kFromOleObject
kFromRender
kFromUnderlay
kFromImageBGRA32
kFromPdfUnderlay
kFromFile

Definition at line 66 of file GiRasterImage.h.

◆ TransparencyMode

enum OdGiRasterImage::TransparencyMode

Enumerator
kTransparencyDef
kTransparencyOff
kTransparency1Bit
kTransparency8Bit

Definition at line 81 of file GiRasterImage.h.

◆ Units

enum OdGiRasterImage::Units

Enumerator
kNone
kMillimeter
kCentimeter
kMeter
kKilometer
kInch
kFoot
kYard
kMile
kMicroinches
kMils
kAngstroms
kNanometers
kMicrons
kDecimeters
kDekameters
kHectometers
kGigameters
kAstronomical
kLightYears
kParsecs

Definition at line 41 of file GiRasterImage.h.

Member Function Documentation

◆ calcBMPScanLineSize()

static OdUInt32 OdGiRasterImage::calcBMPScanLineSize	(	OdUInt32	pixelWidth,
		int	colorDepth
	)

static

Returns the size of a single scanline in BMP format for this RasterImage object.

Parameters

pixelWidth	[in] Image width in pixels.
colorDepth	[in] Number of bits per pixel.

◆ calcColorMask()

static OdUInt32 OdGiRasterImage::calcColorMask	(	OdUInt8	numColorBits,
		OdUInt8	colorOffset = `0`
	)

static

Returns the 32-bit mask for the requested number of color bits and offset.

Parameters

numColorBits	[in] Number of color bits.
colorOffset	[in] Offset of color bits.

◆ changeImageSource()

OdSmartPtr<OdGiRasterImage> OdGiRasterImage::changeImageSource	(	ImageSource	source,
		const OdChar *	pFileName = `NULL`
	)

Sets an image source and (optionally) source file name.

Parameters

source	[in] New image source value.
pFileName	[in] Optional value for source file name.

Returns: Returns image with new image source.

◆ changeSourceFileName()

OdSmartPtr<OdGiRasterImage> OdGiRasterImage::changeSourceFileName ( const OdString & fileName )

Sets an image source file name.

Parameters

fileName [in] New value for source file name.

Returns: Returns image with new image source file name.

◆ changeTransparencyMode()

OdSmartPtr<OdGiRasterImage> OdGiRasterImage::changeTransparencyMode ( TransparencyMode mode )

Sets transparency mode for 32bpp formats.

Parameters

mode	[in] New transparency mode.

Returns: Returns image with new transparency mode.

◆ color()

virtual ODCOLORREF OdGiRasterImage::color ( OdUInt32 colorIndex ) const

pure virtual

Returns the color for the specified index from the palette of this RasterImage object.

Parameters

colorIndex [in] Color index.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiInversionRasterTransformer, OdGiBitonalRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ colorDepth()

virtual OdUInt32 OdGiRasterImage::colorDepth ( ) const

pure virtual

Returns the number of bits per pixel used for colors by this RasterImage object.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ convert()

OdSmartPtr<OdGiRasterImage> OdGiRasterImage::convert	(	bool	convertPaletteToRGB,
		double	brightness = `50.0`,
		double	contrast = `50.0`,
		double	fade = `0.0`,
		ODCOLORREF	backgroundColor = `0`,
		bool	flipX = `false`,
		bool	flipY = `false`,
		bool	rotate90 = `false`,
		const OdGiRasterImage *	pDestDesc = `0`,
		bool	transparency = `false`
	)		const

Converts this raster image as specified.

Parameters

convertPaletteToRGB	[in] Color is converted to RGB if and only if true.
brightness	[in] Image brightness [0 .. 100].
contrast	[in] Image contrast [0 .. 100].
fade	[in] Image fade value [0 .. 100].
backgroundColor	[in] Background color.
flipX	[in] Image is flipped about the X-axis if and only if true.
flipY	[in] Image is flipped about the Y-axis if and only if true.
rotate90	[in] Image is rotated 90� if and only if true.
pDestDesc	[in] Pointer to an OdGiRasterImageDesc object to receive the image parameters.
transparency	[in] Image is transparent if true.

Returns: Returns a SmartPointer to the converted image.

◆ crop()

virtual OdSmartPtr<OdGiRasterImage> OdGiRasterImage::crop	(	OdUInt32	x,
		OdUInt32	y,
		OdUInt32	width,
		OdUInt32	height
	)		const

virtual

Crops this raster image using a rectangle. The format of returned raster image is identical to the format of the source raster image.

Parameters

x	[in] X-coordinate of start point.
y	[in] Y-coordinate of start point.
width	[in] Width of the crop rectangle.
height	[in] Height of the crop rectangle.

Remarks: All arguments are in pixels.

◆ defaultResolution()

virtual Units OdGiRasterImage::defaultResolution	(	double &	xPelsPerUnit,
		double &	yPelsPerUnit
	)		const

virtual

Returns the default image resolution in pixels per unit of this RasterImage object.

Parameters

xPelsPerUnit	[out] Receives the pixels per unit value (x direction).
yPelsPerUnit	[out] Receives the pixels per unit value (y direction).

Remarks: If the returned value is kNone, then xPelsPerUnit and yPelsPerUnit are not set.

Reimplemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ imageSource()

virtual ImageSource OdGiRasterImage::imageSource ( ) const

virtual

Returns the image source.

Reimplemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ imp()

virtual void* OdGiRasterImage::imp ( ) const

virtual

Returns user-end implementation of raster image.

Remarks: If not overridden by user-end raster image implementation, always returns null.

Reimplemented in OdGiRasterImageWrapper.

◆ numColors()

virtual OdUInt32 OdGiRasterImage::numColors ( ) const

pure virtual

Returns the number of colors in the palette of this RasterImage object.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiBitonalRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ ODRX_DECLARE_MEMBERS()

OdGiRasterImage::ODRX_DECLARE_MEMBERS ( OdGiRasterImage )

◆ paletteData()

virtual void OdGiRasterImage::paletteData ( OdUInt8 * bytes ) const

pure virtual

Returns the palette in BMP format of this RasterImage object.

Parameters

bytes [out] Receives the palette data.

Remarks: It is up to the caller to allocate sufficient memory for the palette data.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiInversionRasterTransformer, OdGiBitonalRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ paletteDataSize()

virtual OdUInt32 OdGiRasterImage::paletteDataSize ( ) const

pure virtual

Returns the size (in bytes) of the palette data of this RasterImage object.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiBitonalRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ pixelFormat()

virtual PixelFormatInfo OdGiRasterImage::pixelFormat ( ) const

pure virtual

Returns the pixel format for this RasterImage object.

Remarks: This function returns the pixel format of the palette, unless there is no palette, in which case it returns the pixel format of the image itself.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiBitonalRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ pixelHeight()

virtual OdUInt32 OdGiRasterImage::pixelHeight ( ) const

pure virtual

Returns the image height in pixels of this RasterImage object.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ pixelWidth()

virtual OdUInt32 OdGiRasterImage::pixelWidth ( ) const

pure virtual

Returns the image width in pixels of this RasterImage object.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ scanLines() [1/2]

virtual const OdUInt8* OdGiRasterImage::scanLines ( ) const

pure virtual

Returns the set of scanlines.

Remarks: Implementation of this function is optional; NULL can be returned if it is inconvenient to implement. The caller must take into account that the return value can be NULL. If this method returns NULL, scanlines can be accessed by a second version of the scanLines() method with arguments where a memory buffer for scanline data is preallocated by the caller.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiInversionRasterTransformer, OdGiLeftToRightRasterTransformer, OdGiUpsideDownRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ scanLines() [2/2]

virtual void OdGiRasterImage::scanLines	(	OdUInt8 *	scnLines,
		OdUInt32	firstScanline,
		OdUInt32	numLines = `1`
	)		const

pure virtual

Returns the specified set of scanlines in BMP format from this RasterImage object, or the pixel data in BMP format for this RasterImage object.

Parameters

scnLines	[out] Receives the scanline data.
firstScanline	[in] Index of first scanline to retrieve.
numLines	[in] Number of scanlines to retrieve.

Remarks: The number of accessible scanlines is equal to the value returned by pixelHeight(). The number of accessible bytes in a scanline is equal to the value returned by scanLineSize(). The scanline returned by firstScanline == 0 is the first scanline in the image. The scanline returned by firstScanline == (pixelHeight() - 1) is the last scanline in the image.; It us up to the caller to allocate sufficient memory for the scanline data.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiInversionRasterTransformer, OdGiLeftToRightRasterTransformer, OdGiUpsideDownRasterTransformer, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ scanLinesAlignment()

virtual OdUInt32 OdGiRasterImage::scanLinesAlignment ( ) const

pure virtual

Returns the scanline alignment, in bytes, for this RasterImage object. Example: scanLinesAlignment() returns 4 for Windows BMP.

Implemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ scanLineSize()

virtual OdUInt32 OdGiRasterImage::scanLineSize ( ) const

virtual

Returns the scanline size of this RasterImage object.

Remarks: This function returns the number of bytes between the beginning of scanline N and the beginning of scanline N+1 (taking into account any padding that is added to the end of the scanline).

Reimplemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ sourceFileName()

virtual const OdString& OdGiRasterImage::sourceFileName ( ) const

virtual

Returns the image source file name.

Reimplemented in OdGiRasterImageWrapper, OdGiRasterImageHolder, and OdGiRasterImageDesc.

◆ transparencyMode()

virtual TransparencyMode OdGiRasterImage::transparencyMode ( ) const

virtual

Returns the transparency mode for 32bpp formats.

Reimplemented in OdGiRasterImageAlphaChannelAdder, OdGiRasterImageWrapper, OdGiRasterImageHolder, OdGiRasterImageBGRA32, and OdGiRasterImageDesc.

◆ transparentColor()

virtual int OdGiRasterImage::transparentColor ( ) const

virtual

Returns the index of transparent color in the image.

Remarks: If there is no transparent color, -1 should be returned.; The default implementation of this function returns -1.

Reimplemented in OdGiBitonalRasterTransformer, OdGiRasterImageWrapper, and OdGiRasterImageHolder.

The documentation for this class was generated from the following file:

GiRasterImage.h

Classes

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Typedef Documentation

◆ PixelFormatInfo

Member Enumeration Documentation

◆ ImageSource

◆ TransparencyMode

◆ Units

Member Function Documentation

◆ calcBMPScanLineSize()

◆ calcColorMask()

◆ changeImageSource()

◆ changeSourceFileName()

◆ changeTransparencyMode()

◆ color()

◆ colorDepth()

◆ convert()

◆ crop()

◆ defaultResolution()

◆ imageSource()

◆ imp()

◆ numColors()

◆ ODRX_DECLARE_MEMBERS()

◆ paletteData()

◆ paletteDataSize()

◆ pixelFormat()

◆ pixelHeight()

◆ pixelWidth()

◆ scanLines() [1/2]

◆ scanLines() [2/2]

◆ scanLinesAlignment()

◆ scanLineSize()

◆ sourceFileName()

◆ transparencyMode()

◆ transparentColor()