DtMultiResPaperMap Class Reference

class DtMultiResPaperMap: More...

Inheritance diagram for DtMultiResPaperMap:

List of all members.

Public Member Functions
	DtMultiResPaperMap ()
	default constructor.
virtual	~DtMultiResPaperMap ()
	destructor
virtual bool	init (const DtFilename &path, DtPaperMapRecord *paperMapRec, const Coordinate_System *coordSys)
	Load the papermap. coordSys is the coordinate system of the terrain database.
virtual bool	loadImage (const DtFilename &imageFile, const Coordinate_System *coordSys)
virtual const DtString	mapType () const
const DtFilename &	mtlFilename () const
void	setCacheImages (bool)
bool	cacheImages () const
virtual void	setMapFolder (const DtFilename &folder)
virtual const DtFilename &	mapFolder () const
virtual bool	hasAlpha () const
virtual bool	canLoadImage () const
	Returns true if image can be loaded into memory.
Static Public Member Functions
static DtPaperMap *	create ()
static void	setAllowOptimization (bool)
	Turns on/off image caching and optimization system.
static bool	allowOptimization ()
Protected Member Functions
virtual bool	getImageSlice (const Coordinate_System *coordSys, const DtExtent &viewportExtent, const DtDisplaySize &screenSize, DtPoint &bitmapLocation, int &scaledBitmapSizeX, int &scaledBitmapSizeY, QImage &image, bool useMask, QColor *backgroundColor)
	Returns a pointer to the slice of the image we need to display.
virtual bool	getImageSlice (const Coordinate_System *coordSys, const DtExtent &viewportExtent, const DtDisplaySize &screenSize, DtPoint &bitmapLocation, int &scaledBitmapSizeX, int &scaledBitmapSizeY, bool useMask, QColor *backgroundColor, QImage *retImage)
	Called from either of the two above methods, returns the resultant image in the image supplied.
virtual bool	drawAsImage () const
	Currently does not support alpha channel in image, so this will always return false.
virtual void	emptyActiveMapList ()
virtual void	emptyCachedMapList ()
virtual bool	addMapToActiveList (DtRasterMap *map)
virtual bool	recheckMaps (const DtExtent &dbExtent, double resolution, QSize &imageSizeFull, QSize &imageSizeSet, const Coordinate_System *coordSys, DtExtent &globalExtent)
virtual void	paintMap (const Coordinate_System *coordSys, DtMultiResActiveMapRecord &imageData, QRect &redraw, QImage *destImage, int pixWidth, int pixHeight, const DtExtent &dbExtent)
virtual void	calcWindowRect (DtMultiResActiveMapRecord &imageData, int pixWidth, int pixHeight, const DtExtent &dbExtent, QPoint &topLeft, QPoint &bottomRight)
virtual bool	getExtentIntersection (const DtExtent &rect1, const DtExtent &rect2, DtExtent &intersectionRect)
virtual bool	loadRasterSet (const DtFilename &filename, const Coordinate_System *coordSys)
virtual void	unloadRasterSet ()
virtual void	getXandYIncrements (const Coordinate_System *coordSys, double &xIncrement, double &yIncrement)
virtual void	initCacheInformation (const Coordinate_System *coordSys)
virtual double	resolutionFor (const Coordinate_System *coordSys, const DtExtent &extent)
virtual void	imageShift (const Coordinate_System *coordSys, const DtExtent &dbExtent)
	Will shift the current image to account for new sub images being placed in.
virtual bool	screenLocation (const Coordinate_System *coordSys, DtMultiResActiveMapRecord &imageData, int pixWidth, int pixHeight, const DtExtent &dbExtent, DtDisplayPoint &wll, DtDisplayPoint &wur)
Protected Attributes
DtFilename	myMapFolder
DtRasterMapSet *	myRasterSet
DtRasterMapResSet *	myCurrentResSet
DtFilename	myMtlFile
bool	myCachedInformation
	Used only if geodetic split and not a geodetic database.
DtExtent	myImageExtent
QSize	myImageSize
bool	myCacheImages
	If true (default is false) images, when loaded, will not be unloaded but rather cached in the system.
bool	myOptimizeCacheImages
	Set if in optimization mode to true.
bool	myOptimization
	Set to true to turn on drawing optimization.
bool	myHasAlpha
	True if one of the raster maps has an alpha channel.
DtPtrQList < DtMultiResActiveMapRecord * >	myActiveMapList
QHash< DtRasterMap *, DtMultiResActiveMapRecord * >	myCachedImages
Static Protected Attributes
static bool	theAllowOptimization
Private Member Functions
	DtMultiResPaperMap (const DtMultiResPaperMap &orig)
	copy constructor: Not Implemented
DtMultiResPaperMap &	operator= (const DtMultiResPaperMap &rhs)
	assignment operator: Not Implemented

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Detailed Description

class DtMultiResPaperMap:

Instances of this class are individual papermaps, loaded from a file in in some raster format.

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Constructor & Destructor Documentation

DtMultiResPaperMap::DtMultiResPaperMap

(

)

default constructor.

virtual DtMultiResPaperMap::~DtMultiResPaperMap

(

)

[virtual]

destructor

DtMultiResPaperMap::DtMultiResPaperMap

(

const DtMultiResPaperMap &

orig

)

[private]

copy constructor: Not Implemented

---

Member Function Documentation

virtual bool DtMultiResPaperMap::init	(	const DtFilename &	path,
		DtPaperMapRecord *	paperMapRec,
		const Coordinate_System *	coordSys
	)		[virtual]

Load the papermap. coordSys is the coordinate system of the terrain database.

Reimplemented from DtPixmapPaperMap.

virtual bool DtMultiResPaperMap::loadImage	(	const DtFilename &	imageFile,
		const Coordinate_System *	coordSys
	)		[virtual]

Reimplemented from DtPixmapPaperMap.

virtual const DtString DtMultiResPaperMap::mapType

(

)

const [virtual]

Reimplemented from DtPixmapPaperMap.

static DtPaperMap* DtMultiResPaperMap::create

(

)

[static]

Reimplemented from DtPixmapPaperMap.

const DtFilename & DtMultiResPaperMap::mtlFilename

(

)

const [inline]

References myMtlFile.

void DtMultiResPaperMap::setCacheImages

(

bool

b

)

[inline]

References myCacheImages.

bool DtMultiResPaperMap::cacheImages

(

)

const [inline]

References myCacheImages.

virtual void DtMultiResPaperMap::setMapFolder

(

const DtFilename &

folder

)

[virtual]

virtual const DtFilename& DtMultiResPaperMap::mapFolder

(

)

const [virtual]

bool DtMultiResPaperMap::hasAlpha

(

)

const [inline, virtual]

Reimplemented from DtPixmapPaperMap.

References myHasAlpha.

void DtMultiResPaperMap::setAllowOptimization

(

bool

b

)

[inline, static]

Turns on/off image caching and optimization system.

References theAllowOptimization.

bool DtMultiResPaperMap::allowOptimization

(

)

[inline, static]

References theAllowOptimization.

virtual bool DtMultiResPaperMap::canLoadImage

(

)

const [virtual]

Returns true if image can be loaded into memory.

Reimplemented from DtPixmapPaperMap.

virtual bool DtMultiResPaperMap::getImageSlice	(	const Coordinate_System *	coordSys,
		const DtExtent &	viewportExtent,
		const DtDisplaySize &	screenSize,
		DtPoint &	bitmapLocation,
		int &	scaledBitmapSizeX,
		int &	scaledBitmapSizeY,
		QImage &	image,
		bool	useMask,
		QColor *	backgroundColor
	)		[protected, virtual]

Returns a pointer to the slice of the image we need to display.

Reimplemented from DtPixmapPaperMap.

virtual bool DtMultiResPaperMap::getImageSlice	(	const Coordinate_System *	coordSys,
		const DtExtent &	viewportExtent,
		const DtDisplaySize &	screenSize,
		DtPoint &	bitmapLocation,
		int &	scaledBitmapSizeX,
		int &	scaledBitmapSizeY,
		bool	useMask,
		QColor *	backgroundColor,
		QImage *	retImage
	)		[protected, virtual]

Called from either of the two above methods, returns the resultant image in the image supplied.

Returns a pointer to the slice of the image we need to display

virtual bool DtMultiResPaperMap::drawAsImage

(

)

const [protected, virtual]

Currently does not support alpha channel in image, so this will always return false.

virtual void DtMultiResPaperMap::emptyActiveMapList

(

)

[protected, virtual]

virtual void DtMultiResPaperMap::emptyCachedMapList

(

)

[protected, virtual]

virtual bool DtMultiResPaperMap::addMapToActiveList

(

DtRasterMap *

map

)

[protected, virtual]

virtual bool DtMultiResPaperMap::recheckMaps	(	const DtExtent &	dbExtent,
		double	resolution,
		QSize &	imageSizeFull,
		QSize &	imageSizeSet,
		const Coordinate_System *	coordSys,
		DtExtent &	globalExtent
	)		[protected, virtual]

virtual void DtMultiResPaperMap::paintMap	(	const Coordinate_System *	coordSys,
		DtMultiResActiveMapRecord &	imageData,
		QRect &	redraw,
		QImage *	destImage,
		int	pixWidth,
		int	pixHeight,
		const DtExtent &	dbExtent
	)		[protected, virtual]

virtual void DtMultiResPaperMap::calcWindowRect	(	DtMultiResActiveMapRecord &	imageData,
		int	pixWidth,
		int	pixHeight,
		const DtExtent &	dbExtent,
		QPoint &	topLeft,
		QPoint &	bottomRight
	)		[protected, virtual]

virtual bool DtMultiResPaperMap::getExtentIntersection	(	const DtExtent &	rect1,
		const DtExtent &	rect2,
		DtExtent &	intersectionRect
	)		[protected, virtual]

Reimplemented from DtPixmapPaperMap.

virtual bool DtMultiResPaperMap::loadRasterSet	(	const DtFilename &	filename,
		const Coordinate_System *	coordSys
	)		[protected, virtual]

virtual void DtMultiResPaperMap::unloadRasterSet

(

)

[protected, virtual]

virtual void DtMultiResPaperMap::getXandYIncrements	(	const Coordinate_System *	coordSys,
		double &	xIncrement,
		double &	yIncrement
	)		[protected, virtual]

virtual void DtMultiResPaperMap::initCacheInformation

(

const Coordinate_System *

coordSys

)

[protected, virtual]

virtual double DtMultiResPaperMap::resolutionFor	(	const Coordinate_System *	coordSys,
		const DtExtent &	extent
	)		[protected, virtual]

virtual void DtMultiResPaperMap::imageShift	(	const Coordinate_System *	coordSys,
		const DtExtent &	dbExtent
	)		[protected, virtual]

Will shift the current image to account for new sub images being placed in.

virtual bool DtMultiResPaperMap::screenLocation	(	const Coordinate_System *	coordSys,
		DtMultiResActiveMapRecord &	imageData,
		int	pixWidth,
		int	pixHeight,
		const DtExtent &	dbExtent,
		DtDisplayPoint &	wll,
		DtDisplayPoint &	wur
	)		[protected, virtual]

DtMultiResPaperMap& DtMultiResPaperMap::operator=

(

const DtMultiResPaperMap &

rhs

)

[private]

assignment operator: Not Implemented

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Member Data Documentation

DtFilename DtMultiResPaperMap::myMapFolder [protected]

DtRasterMapSet* DtMultiResPaperMap::myRasterSet [protected]

DtRasterMapResSet* DtMultiResPaperMap::myCurrentResSet [protected]

DtFilename DtMultiResPaperMap::myMtlFile [protected]

Referenced by mtlFilename().

bool DtMultiResPaperMap::myCachedInformation [protected]

Used only if geodetic split and not a geodetic database.

DtExtent DtMultiResPaperMap::myImageExtent [protected]

QSize DtMultiResPaperMap::myImageSize [protected]

Reimplemented from DtPixmapPaperMap.

bool DtMultiResPaperMap::myCacheImages [protected]

If true (default is false) images, when loaded, will not be unloaded but rather cached in the system.

Set this flag to true when performance is more of an issue than memory usage.

Referenced by cacheImages(), and setCacheImages().

bool DtMultiResPaperMap::myOptimizeCacheImages [protected]

Set if in optimization mode to true.

Use different flag in case not in optimization mode but still want to cache images

bool DtMultiResPaperMap::myOptimization [protected]

Set to true to turn on drawing optimization.

bool DtMultiResPaperMap::theAllowOptimization [static, protected]

Referenced by allowOptimization(), and setAllowOptimization().

bool DtMultiResPaperMap::myHasAlpha [protected]

True if one of the raster maps has an alpha channel.

Referenced by hasAlpha().

DtPtrQList<DtMultiResActiveMapRecord*> DtMultiResPaperMap::myActiveMapList [protected]

QHash<DtRasterMap*, DtMultiResActiveMapRecord*> DtMultiResPaperMap::myCachedImages [protected]

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

• include/papermap/mResPprMap.h