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CPrintPreviewDevice Class Reference

class CPrintPreviewDevice : public CGraphicsDevice

Inherits from

CPrintPreviewDevice
- CGraphicsDevice
  - CBase

Public Member Functions
	~CPrintPreviewDevice()
TInt	CreateContext(CGraphicsContext *&)
TDisplayMode	DisplayMode()
TInt	FontHeightInTwips(TInt, TInt)
TInt	GetNearestFontInPixels(CFont *&, const TFontSpec &)
TInt	GetNearestFontInTwips(CFont *&, const TFontSpec &)
TInt	GetNearestFontToDesignHeightInPixels(CFont *&, const TFontSpec &)
TInt	GetNearestFontToDesignHeightInTwips(CFont *&, const TFontSpec &)
TInt	GetNearestFontToMaxHeightInPixels(CFont *&, const TFontSpec &, TInt)
TInt	GetNearestFontToMaxHeightInTwips(CFont *&, const TFontSpec &, TInt)
TInt	GetPalette(CPalette *&)
TInt	HorizontalPixelsToTwips(TInt)
TInt	HorizontalTwipsToPixels(TInt)
CPrintPreviewDevice *	NewL(CWsScreenDevice *)
TInt	NumTypefaces()
void	PaletteAttributes(TBool &, TInt &)
void	ReleaseFont(CFont *)
void	SetBandRect(const TRect &)
void	SetPalette(CPalette *)
void	SetPanelPos(const TPoint &)
void	SetTwipToPixelMapping(const TSize &, const TSize &)
void	SetWindow(RWindow *)
TSize	SizeInPixels()
TSize	SizeInTwips()
void	TypefaceSupport(TTypefaceSupport &, TInt)
TInt	VerticalPixelsToTwips(TInt)
TInt	VerticalTwipsToPixels(TInt)

Private Member Functions
	CPrintPreviewDevice(CWsScreenDevice *)
void	DoCreateContextL(CGraphicsContext *&)

Inherited Functions
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	CBase::operator new(TUint)
	CBase::operator new(TUint,TAny *)
	CBase::operator new(TUint,TLeave)
	CBase::operator new(TUint,TLeave,TUint)
	CBase::operator new(TUint,TUint)
	CBase::~CBase()

Private Attributes
TRect	iBandRect
TInt	iHZoom
TSize	iPageSizeInTwips
TPoint	iPanelPos
TInt	iVZoom
RWindow *	iWin
CWsScreenDevice *	iWinDevice

Constructor & Destructor Documentation

CPrintPreviewDevice(CWsScreenDevice *)

CPrintPreviewDevice

(

CWsScreenDevice *

aWinDevice

)

[private]

Parameters

CWsScreenDevice * aWinDevice

~CPrintPreviewDevice()

~CPrintPreviewDevice

(

)

Member Functions Documentation

CreateContext(CGraphicsContext *&)

TInt

CreateContext

(

CGraphicsContext *&

aGC

)

[virtual]

Creates a graphics context for the device.

Parameters

CGraphicsContext *& aGC

On return, contains a pointer to the created graphics context.

DisplayMode()

TDisplayMode

DisplayMode

(

)

const [virtual]

Gets the display mode of the device.

DoCreateContextL(CGraphicsContext *&)

void

DoCreateContextL

(

CGraphicsContext *&

aGc

)

[private]

Parameters

CGraphicsContext *& aGc

FontHeightInTwips(TInt, TInt)

TInt	FontHeightInTwips	(	TInt	aTypefaceIndex,
			TInt	aHeightIndex
		)	const [virtual]

Get the height of a font in twips.

The font is identified by typeface and height.

The value returned is rounded up or down to the nearest font height in twips.

Parameters

TInt aTypefaceIndex	An index identifying the typeface, in the range: 0 to (NumTypefaces() - 1).
TInt aHeightIndex	An index identifying the font height, in the range: 0 to (iNumHeights - 1). Note that iNumHeights is in the TTypefaceSupport object returned by TypefaceSupport().

GetNearestFontInPixels(CFont *&, const TFontSpec &)

TInt	GetNearestFontInPixels	(	CFont *&	aFont,
			const TFontSpec &	aFontSpec
		)

Parameters

CFont *& aFont
const TFontSpec & aFontSpec

GetNearestFontInTwips(CFont *&, const TFontSpec &)

TInt	GetNearestFontInTwips	(	CFont *&	aFont,
			const TFontSpec &	aFontSpec
		)	[virtual]

Parameters

CFont *& aFont
const TFontSpec & aFontSpec

GetNearestFontToDesignHeightInPixels(CFont *&, const TFontSpec &)

TInt	GetNearestFontToDesignHeightInPixels	(	CFont *&	aFont,
			const TFontSpec &	aFontSpec
		)

Parameters

CFont *& aFont
const TFontSpec & aFontSpec

GetNearestFontToDesignHeightInTwips(CFont *&, const TFontSpec &)

TInt	GetNearestFontToDesignHeightInTwips	(	CFont *&	aFont,
			const TFontSpec &	aFontSpec
		)	[virtual]

Parameters

CFont *& aFont
const TFontSpec & aFontSpec

GetNearestFontToMaxHeightInPixels(CFont *&, const TFontSpec &, TInt)

TInt	GetNearestFontToMaxHeightInPixels	(	CFont *&	aFont,
			const TFontSpec &	aFontSpec,
			TInt	aMaxHeight
		)

Parameters

CFont *& aFont
const TFontSpec & aFontSpec
TInt aMaxHeight

GetNearestFontToMaxHeightInTwips(CFont *&, const TFontSpec &, TInt)

TInt	GetNearestFontToMaxHeightInTwips	(	CFont *&	aFont,
			const TFontSpec &	aFontSpec,
			TInt	aMaxHeight
		)	[virtual]

Parameters

CFont *& aFont
const TFontSpec & aFontSpec
TInt aMaxHeight

GetPalette(CPalette *&)

TInt

GetPalette

(

CPalette *&

aPalette

)

const [virtual]

Gets the device's current palette.

This function is only supported if the device has a modifiable palette, which can be determined by calling PaletteAttributes().

Parameters

CPalette *& aPalette

On return, holds the device's current palette.

HorizontalPixelsToTwips(TInt)

TInt

HorizontalPixelsToTwips

(

TInt

aPixels

)

const [virtual]

Parameters

TInt aPixels

HorizontalTwipsToPixels(TInt)

TInt

HorizontalTwipsToPixels

(

TInt

aTwips

)

const [virtual]

Parameters

TInt aTwips

NewL(CWsScreenDevice *)

CPrintPreviewDevice *

NewL

(

CWsScreenDevice *

aWinDevice

)

[static]

Parameters

CWsScreenDevice * aWinDevice

NumTypefaces()

TInt

NumTypefaces

(

)

const [virtual]

Gets the number of typefaces supported by the graphics device.

PaletteAttributes(TBool &, TInt &)

void	PaletteAttributes	(	TBool &	aModifiable,
			TInt &	aNumEntries
		)	const [virtual]

Gets the palette attributes of the device.

Parameters

TBool & aModifiable	On return, holds information on whether or not the device's palette is modifiable (ETrue) or fixed (EFalse).
TInt & aNumEntries	On return, holds the number of entries in the device's palette.

ReleaseFont(CFont *)

void

ReleaseFont

(

CFont *

aFont

)

[virtual]

Parameters

CFont * aFont

SetBandRect(const TRect &)

void

SetBandRect

(

const TRect &

aRect

)

[inline]

Parameters

const TRect & aRect

SetPalette(CPalette *)

void

SetPalette

(

CPalette *

aPalette

)

[virtual]

Sets the device's palette.

Setting the palette is only possible if the device has a modifiable palette, which can be determined by calling PaletteAttributes().

Parameters

CPalette * aPalette

The new palette for the device.

SetPanelPos(const TPoint &)

void

SetPanelPos

(

const TPoint &

aPoint

)

[inline]

Parameters

const TPoint & aPoint

SetTwipToPixelMapping(const TSize &, const TSize &)

void	SetTwipToPixelMapping	(	const TSize &	aImageSizeInPixels,
			const TSize &	aPageSizeInTwips
		)

Parameters

const TSize & aImageSizeInPixels
const TSize & aPageSizeInTwips

SetWindow(RWindow *)

void

SetWindow

(

RWindow *

aWin

)

[inline]

Parameters

RWindow * aWin

SizeInPixels()

TSize

SizeInPixels

(

)

const [virtual]

Gets the size of the device area in pixels.

SizeInTwips()

TSize

SizeInTwips

(

)

const [virtual]

Gets the size of the device area in twips.

TypefaceSupport(TTypefaceSupport &, TInt)

void	TypefaceSupport	(	TTypefaceSupport &	aTypefaceSupport,
			TInt	aTypefaceIndex
		)	const [virtual]

Gets typeface information for a specified typeface.

This information is returned in aTypefaceSupport, and includes:

the typeface name and typeface attributes

the number of font heights

the maximum and minimum font heights

whether it is a scalable typeface

NumTypefaces()

Parameters

TTypefaceSupport & aTypefaceSupport	On return, contains the typeface information.
TInt aTypefaceIndex	A typeface index number, in the range: zero to (NumTypefaces() - 1).

VerticalPixelsToTwips(TInt)

TInt

VerticalPixelsToTwips

(

TInt

aPixels

)

const [virtual]

Parameters

TInt aPixels

VerticalTwipsToPixels(TInt)

TInt

VerticalTwipsToPixels

(

TInt

aTwips

)

const [virtual]

Parameters

TInt aTwips

Member Data Documentation

TRect iBandRect

TRect

iBandRect

[private]

TInt iHZoom

TInt

iHZoom

[private]

TSize iPageSizeInTwips

TSize

iPageSizeInTwips

[private]

TPoint iPanelPos

TPoint

iPanelPos

[private]

TInt iVZoom

TInt

iVZoom

[private]

RWindow * iWin

RWindow *

iWin

[private]

CWsScreenDevice * iWinDevice

CWsScreenDevice *

iWinDevice

[private]