TdkCDCanvas Class Reference

Implementation of the TdkCanvas abstract class for the Canvas Draw tecgraf library. More...

#include <TdkCDCanvas.h>

Inheritance diagram for TdkCDCanvas:


Public Types
enum	Drivers { drvIUP, drvNativeWindow, drvClipboard, drvPrinter, drvImage, drvImageRGB, drvCGM, drvDGN, drvDXF, drvEMF, drvMetafile, drvPS, drvWMF }
enum	TdkCDClipType { TdkCDClipNone, TdkCDClipArea, TdkCDClipPolygon, TdkCDClipRegion }
Public Member Functions
virtual void	setWindow (const double &llx, const double &lly, const double &urx, const double &ury)
	Adjusts world (or window) coordinates area (supposing a cartesian reference system).
virtual void	setWindow (const TeBox &box)
	Adjusts world (window) coordinates area (supposing a cartesian reference system).
virtual void	getWindow (double &llx, double &lly, double &urx, double &ury)
	Returns the world (window) coordinates area (supposing a cartesian reference system).
virtual void	getWindow (TeBox &window)
virtual void	setViewport (const double &llx, const double &lly, const double &urx, const double &ury)
	Adjusts device coordinates area (supposing a cartesian reference system).
virtual void	setViewport (const TeBox &box)
	Adjusts device coordinates area (supposing a cartesian reference system).
virtual void	getViewport (double &llx, double &lly, double &urx, double &ury)
	Returns the device coordinates area.
virtual void	getViewport (TeBox &viewport)
virtual void	viewport2Window (const double &vx, const double &vy, double &wx, double &wy)
	TODO: These methods should be fixed for performance improvement.
virtual void	viewport2Window (const double &v, double &w, const bool &xdirection=true)
	Transform device (or viewpoort) value to world (or window) value according to one axis.
virtual void	setBackgroundColor (const TeColor &c)
	Sets the background color of the canvas to c. This will affect all buffers in use, painting all them with the specified color.
virtual TdkCanvas *	copy ()
	TdkCDCanvas (Drivers drv, void *data, bool double_buffer=false, bool with_cache=false)
	TdkCDCanvas (cdCanvas cv, cdCanvas back_buffer=NULL, cdCanvas *cache=NULL)
	TdkCDCanvas (void *data, bool double_buffer=true, bool with_cache=false)
	TdkCDCanvas (TdkImageRGB &rgb, const TeBox &world, TeProjection &projection, const TeColor &back_color)
	~TdkCDCanvas ()
	TdkCDCanvas destructor.
virtual void	setRotation (double angle, double cx, double cy)
	set the background color of the canvas
virtual TdkCanvas::TdkPaintMode	getPaintMode ()
virtual void	setVisual (TdkVisual *v, const TeGeomRep &rep)
	Sets the visual for a given geometry type.
virtual void	setPointColor (const int &r, const int &g, const int &b)
	Sets the pen color used to draw point geometries.
virtual void	setPointColor (const int &r, const int &g, const int &b, const int &alpha)
	Sets the pen color used to draw point geometries.
virtual void	setPointColor (const TeColor &color, const int &alpha)
virtual void	setPointAlpha (const int &alpha)
	Sets the alpha channel used to draw point geometries.
virtual void	setPointType (const int &type)
	Sets the style for draw point geometries.
virtual void	setPointSize (const int &size)
	Sets pen size (in pixels) used to draw point geometries.
virtual void	setPointChar (const char &c)
virtual void	setLineColor (const int &r, const int &g, const int &b)
	Sets the pen color used to draw line geometries.
virtual void	setLineColor (const int &r, const int &g, const int &b, const int &alpha)
	Sets the pen color used to draw line geometries.
virtual void	setLineColor (const TeColor &color, const int &alpha)
virtual void	setLineAlpha (const int &alpha)
	Sets the alpha channel used to draw line geometries.
virtual void	setLineType (const int &type)
	Sets the style for draw line geometries.
virtual void	setLineStyleDashes (double *dashArray, const int &size)
	Sets an array of custom dashes and spaces for this Pen object.
virtual void	setLineWidth (const int &width)
	Sets pen width (in pixels) used to draw line geometries .
virtual void	setPolygonColor (const int &r, const int &g, const int &b)
	Sets the color used to fill the draw of polygon geometries.
virtual void	setPolygonColor (const int &r, const int &g, const int &b, const int &alpha)
	Sets the color used to fill the draw of polygon geometries.
virtual void	setPolygonColor (const TeColor &color, const int &alpha)
virtual void	setPolygonAlpha (const int &alpha)
	Sets the alpha channel used to fill the draw of polygon geometries.
virtual void	setPolygonType (const int &type)
	TODO: This is not right. Only CD constants should be passed to CD.
virtual void	setPolygonTypeStipple (const int &width, const int &height, unsigned char *fgbg, const int &br, const int &bg, const int &bb)
	Fills the polygon with foreground color or a background color (r, g, b) having a mask matrix fgbg (of '0's and '1's).
virtual void	setPolygonTypePattern (const int &width, const int &height, unsigned char r, unsigned char g, unsigned char *b)
	Sets the pattern style used to fill the draw of polygon geometries.
virtual void	setPolygonBorderColor (const int &r, const int &g, const int &b)
	Sets the pen color used to draw the boundary of polygon geometries.
virtual void	setPolygonBorderColor (const int &r, const int &g, const int &b, const int &alpha)
	Sets the pen color used to draw the boundary of polygon geometries.
virtual void	setPolygonBorderColor (const TeColor &color, const int &alpha)
virtual void	setPolygonBorderAlpha (const int &alpha)
	Sets the alpha channel used to draw the boundary of polygon geometries.
virtual void	setPolygonBorderType (const int &type)
	Sets the style used to draw the boundary of polygon geometries.
virtual void	setPolygonBorderWidth (const int &width)
	Sets pen width (in pixels) used to draw the boundary of polygon geometries .
virtual void	setTextColor (const int &r, const int &g, const int &b)
	Sets the color of the text.
virtual void	setTextColor (const int &r, const int &g, const int &b, const int &alpha)
	Sets the color of the text.
virtual void	setTextColor (const TeColor &color, const int &alpha)
virtual void	setTextBackgroundColor (const int &r, const int &g, const int &b)
	Sets the background color of the text.
virtual void	setTextBackgroundColor (const int &r, const int &g, const int &b, const int &alpha)
	Sets the background color of the text.
virtual void	setTextBackgroundColor (const TeColor &color, const int &alpha)
virtual void	setTextBackgroundAlpha (const int &alpha)
	Sets the alpha channel used to fill the background of texts.
virtual void	setTextBackgroundType (const int &type)
virtual void	setTextBorderColor (const int &r, const int &g, const int &b)
virtual void	setTextBorderColor (const int &r, const int &g, const int &b, const int &alpha)
virtual void	setTextBorderColor (const TeColor &color, const int &alpha)
virtual void	setTextBorderAlpha (const int &alpha)
virtual void	setTextBorderType (const int &type)
virtual void	setTextBorderWidth (const int &width)
virtual void	setTextAlpha (const int &alpha)
	Sets the alpha channel used to draw texts.
virtual void	setTextFont (const string &font_name)
	Sets the font family of the text.
virtual void	setTextSize (const int &size)
	Sets the size of the text.
virtual void	setTextBold (const bool &bold=true)
	Sets the bold style for text.
virtual void	setTextItalic (const bool &italic=true)
	Sets the italic style for text.
virtual void	setTextAngle (const double &angle)
	Adjusts the angle used to draw texts.
virtual void	setTextAlign (const double &alignmentHoriz, const double &alignmentVert)
	Sets the alignment of the text.
virtual void	getTextAlign (double &alignmentHoriz, double &alignmentVert)
virtual void	addBuffer (const int &bufferId)
	Adds a new buffer identified by bufferId. If you try to create another one identified by the same id, it will raise an exception.
virtual void	removeBuffer (const int &bufferId)
	Removes the buffer identified by bufferId. If you specify an invalid id, it will be raised an exception.
virtual void	writeBuffer (const int &sourceBuff, const int &destinationBuff, const bool &transparent=false, const int &r=0, const int &g=0, const int &b=0, const int &a=0)
	Copies the content of source buffer to a destination buffer (its a pixel a pixel copy). When transparent is set to true, the pixels specified by (r, g, b, a) color will not be copied to the destination buffer.
virtual void	drawPointW (const TeCoord2D &coord)
	Draws a point specified in window (world) coordinates.
virtual void	drawPointW (const double &x, const double &y)
	Draws a point specified in window (world) coordinates.
virtual void	drawPoint (const TeCoord2D &coord)
	Draws a point specified in device coordinates.
virtual void	drawPoint (const double &x, const double &y)
	Draws a point specified in device coordinates.
virtual void	drawLine (TdkPrimitiveCoord *line, const int &lineSize)
	Draws a line with vertexes specified in device coordinates.
virtual void	drawLine (const TeLine2D &line, const bool &showPoint=false)
	Draws a line with vertexes specified in device coordinates.
virtual void	drawPolygon (TdkPrimitiveCoord poly, int ringSize, const int &nRings)
	Draws a polygon with vertexes specified in device coordinates.
virtual void	drawPolygon (const TePolygon &poly, const bool &showPoint=false)
	Draws a polygon with vertexes specified in device coordinates.
virtual void	drawCell (const TeCell &cell, const bool &showPoint=false)
	Draws a cell with vertexes specified in device coordinates.
virtual void	drawText (const double &x, const double &y, const string &text)
	Draws the text with baseline at (x, y), specified in device coordinates.
virtual void	drawRaster (TeRaster raster, TeRasterTransform transf, const double &angle=0.0, TdkMathMatrix *matrix=NULL)
	Draws the raster.
virtual void	drawImageRGB (const unsigned int &imgW, const unsigned int &imgH, unsigned char red, unsigned char green, unsigned char *blue, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH)
	Draws at (dstX, dstY) the pixels of a RGB image.
virtual void	drawImageRGB (const unsigned int &imgW, const unsigned int &imgH, unsigned char red, unsigned char green, unsigned char *blue, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a RGB image.
virtual void	drawImageRGB (const double &angle, const unsigned int &imgW, const unsigned int &imgH, unsigned char red, unsigned char green, unsigned char *blue, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a RGB image.
virtual void	drawImageRGBA (const unsigned int &imgW, const unsigned int &imgH, unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH)
	Draws at (dstX, dstY) the pixels of a RGB-Alpha image.
virtual void	drawImageRGBA (const unsigned int &imgW, const unsigned int &imgH, unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a RGB-Alpha image.
virtual void	drawImageRGBA (const double &angle, const unsigned int &imgW, const unsigned int &imgH, unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a RGB-Alpha image.
virtual void	drawImageMap (const unsigned int &imgW, const unsigned int &imgH, unsigned char index, long int colors, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH)
	Draws at (dstX, dstY) the pixels of a palette image.
virtual void	drawImageMap (const unsigned int &imgW, const unsigned int &imgH, unsigned char index, long int colors, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a palette image.
virtual void	drawImageMap (const double &angle, const unsigned int &imgW, const unsigned int &imgH, unsigned char index, long int colors, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a palette image.
virtual void	drawImageGray (const unsigned int &imgW, const unsigned int &imgH, unsigned char *data, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH)
	Draws at (dstX, dstY) the pixels of a gray image.
virtual void	drawImageGray (const unsigned int &imgW, const unsigned int &imgH, unsigned char *data, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a gray image.
virtual void	drawImageGray (const double &angle, const unsigned int &imgW, const unsigned int &imgH, unsigned char *data, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const double &srcX, const double &srcY, const unsigned int &srcW=0, const unsigned int &srcH=0)
	Draws at (dstX, dstY) the pixels of a gray image.
virtual void	drawLineSegment (const TeCoord2D &c1, const TeCoord2D &c2)
virtual void	drawLineSegment (const double &x0, const double &y0, const double &x1, const double &y1)
	Draws a line segment from (x0, y0) to (x1, y1), specified in device coordinates.
virtual void	drawRect (const double &llx, const double &lly, const double &urx, const double &ury)
	Draws a rectangle with lower left corner at (llx, lly) and uper right corner at (urx, ury), specified in device coordinates.
virtual void	fillRect (const double &llx, const double &lly, const double &urx, const double &ury)
	Fills the rectangle with lower left corner at (llx, lly) and uper right corner at (urx, ury), specified in device coordinates.
virtual void	drawEllipse (const double &xc, const double &yc, const double &rx1, const double &ry1, const double &rx2, const double &ry2)
	Draws an ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.
virtual void	drawEllipse (const double &xc, const double &yc, const double &rx, const double &ry, const double &angle)
	Draws an ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.
virtual void	fillEllipse (const double &xc, const double &yc, const double &rx1, const double &ry1, const double &rx2, const double &ry2)
	Fills the ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.
virtual void	fillEllipse (const double &xc, const double &yc, const double &rx, const double &ry, const double &angle)
	Fills the ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.
virtual void	drawArc (const double &xc, const double &yc, const double &w, const double &h, const double &startAngle, const double &finalAngle)
	Draws an arc defined by a center at (xc, yc), specified in device coordinates, width (w), height (h), the start angle (startAngle) and the final angle (finalAngle).
virtual void	drawSector (const double &xc, const double &yc, const double &w, const double &h, const double &startAngle, const double &finalAngle)
	Draws a sector defined by a center coordinate (xc, yc), specified in device coordinates, width (w), height (h), the start angle (startANgle) and the final angle (finalAngle).
virtual void	fillSector (const double &xc, const double &yc, const double &w, const double &h, const double &startAngle, const double &finalAngle)
	Fills the sector defined by a center coordinate (xc, yc), specified in device coordinates, width (w), height (h), the start angle (startANgle) and the final angle (finalAngle).
virtual char *	getImage (const double &x, const double &y, const int &w, const int &h, TdkImageType imageType, int &size, const int &quality=75)
	Returns an image from the current canvas buffer content in a specified format (PNG, JPEG, GIF or other).
virtual void	getImageGray (const double &x, const double &y, const int &w, const int &h, unsigned char *data)
	Returns a Gray Image from the current canvas buffer content.
virtual void	getImageMap (const double &x, const double &y, const int &w, const int &h, unsigned char index, long int colors)
	Returns a Palette Image from the current canvas buffer content.
virtual void	getImageRGBA (const double &x, const double &y, const int &w, const int &h, unsigned char r, unsigned char g, unsigned char b, unsigned char a)
	Returns an RGB-Alpha array from the current canvas buffer content.
virtual void	getImageRGB (const double &x, const double &y, const int &w, const int &h, unsigned char r, unsigned char g, unsigned char *b)
	Returns an RGB array from the current canvas buffer content.
virtual void	drawImage (char *image, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH, const double &dstX, const double &dstY, const TdkImageType &imageType)
	Draws at (dstX, dstY) the srcW by srcH area of pixels from (srcX, srcY) in image of type (imageType).
virtual void	drawImage (char *image, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const TdkImageType &imageType)
	Draws at (dstX, dstY) the srcW by srcH area of pixels from (srcX, srcY) in image of type (imageType).
virtual void	drawImage (const double &angle, char *image, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH, const double &dstX, const double &dstY, const unsigned int &dstW, const unsigned int &dstH, const TdkImageType &imageType)
	Draws at (dstX, dstY) the srcW by srcH area of pixels from (srcX, srcY) in image of type (imageType).
virtual int	setActiveBuffer (const int &bufferId)
	Sets the current buffer used to draw. This method changes the current buffer used to draw, you should specify a valid identifier, otherwise it will be raised an exception.
virtual int	getActiveBuffer ()
virtual void	repaint ()
	Do a repaint on canvas.
virtual int	setPaintMode (const int &mode)
	Adjusts canvas drawing mode: ....
virtual void	clear ()
virtual void	clearRect (double xmin, double ymin, double xmax, double ymax)
virtual void	setCountStep (unsigned int step)
virtual unsigned int	getCountStep () const
virtual void	flush ()
virtual void	invertViewportY (int &y) const
virtual cdCanvas *	getCanvas () const
virtual TeRasterParams &	getParams ()
virtual bool	isGDIPlusContext () const
coordinates transformation
virtual TeProjection *	setViewProjection (TeProjection *proj)
virtual void	setOrigin (double x, double y)
virtual void	translateArea (double xmin, double xmax, double ymin, double ymax, double dx, double dy)
virtual void	getTextBoundsW (const string &text, const double &x, const double &y, const double &angle, TdkTextBounds &bounds)
	Returns the bounding box of a text in world coordinates.
virtual void	getTextBounds (const string &text, const double &x, const double &y, const double &angle, TdkTextBounds &bounds)
	Returns the bounding box of a text in device coordinates.
virtual void	getTextBoundsW (const TeText &text, TdkTextBounds &bounds)
virtual void	getTextBounds (const TeText &text, TdkTextBounds &bounds)
virtual void	setClipArea (const TeBox &box)
	Establishes a clipping rectangle. Once setClipArea has been called, all future drawing operations will remain within the specified clipping area, until a new setClipArea call takes place. For instance, if a clipping rectangle of 25, 25, 75, 75 has been set within a 100x100 device area, a diagonal line from 0,0 to 99,99 will appear only between 25,25 and 75,75.
virtual void	setClipArea (const double &llx, const double &lly, const double &urx, const double &ury)
	Establishes a clipping rectangle. Once setClipArea has been called, all future drawing operations will remain within the specified clipping area, until a new setClipArea call takes place. For instance, if a clipping rectangle of 25, 25, 75, 75 has been set within a 100x100 device area, a diagonal line from 0,0 to 99,99 will appear only between 25,25 and 75,75.
virtual void	getClipArea (double &llx, double &lly, double &urx, double &ury)
	Returns the clipping area.
virtual void	setClipArea (const TePolygon &poly)
	Establishes a clipping polygon. Once setClipArea has been called, all future drawing operations will remain within the specified polygon clipping area, until a new setClipArea call takes place.
virtual void	setClipArea (const TePolygonSet &polys, const TdkClipAreaType &clipType)
virtual void	getClipArea (TePolygon &poly)
	Returns the clipping polygon.
virtual void	activateClip ()
	Activate clipping mode.
virtual void	deactivateClip ()
	Deactivate clipping mode.
virtual void	mm2Pixel (const double &mmDx, const double &mmDy, double &pDx, double &pDy)
virtual void	pixel2MM (const double &pDx, const double &pDy, double &mmDx, double &mmDy)
virtual void	maximizeViewport ()
device information
virtual int	getWidth () const
virtual int	getHeight () const
virtual void	getDimension (double &w, double &h)
virtual void	getDimensionMM (double &w, double &h)
virtual void	reDim (double w, double h)
Static Public Member Functions
static void	activateAntiAlias (bool blActivate)
static bool	isAntiAliasActivated (void)
static bool	useGDIPlus ()
Static Public Attributes
static const int	TDK_DEFAULT_COUNT_STEP = 10000
Protected Member Functions
virtual int	getCDClipAreaType (const TdkClipAreaType &clipType)
virtual int	getCDTextAlignment (const double &talH, const double &talV)
virtual void	setCDTextVisual (const std::string &font, const bool &bold, const bool &italic, const int &size)
virtual bool	isCanvasGDIPlus (cdCanvas *cd) const
virtual void	calculateDrawImageParams (const double &dstX0, const double &dstY0, const double &dstX1, const double &dstY1, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH, int &dst_w, int &dst_h, int &src_x2, int &src_y2)
virtual void	drawTdkImageRGB (TdkImageRGB &image, const double &dstX0, const double &dstY0, const double &dstX1, const double &dstY1, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH)
virtual void	drawTdkImageRGBA (TdkImageRGBA &image, const double &dstX0, const double &dstY0, const double &dstX1, const double &dstY1, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH)
virtual void	drawTdkImageMap (TdkImageMap &image, const double &dstX0, const double &dstY0, const double &dstX1, const double &dstY1, const double &srcX, const double &srcY, const unsigned int &srcW, const unsigned int &srcH)
virtual bool	buildRaster ()
virtual void	fillDecoder (TeRaster raster, TeRasterTransform transf, TeBox &paintedArea, const double &angle=0., TdkMathMatrix *matrix=NULL)
void	processBlocks (TeRaster raster, const TeRasterParams &parBlock, TeRasterRemap &remap, TeBox &bboxIntersection, TeBox &paintedArea, const int &res, const double &angle=0., TdkMathMatrix matrix=NULL)
void	drawPaintedAreaImage (TdkImageRGB image, TeBox &paintedArea, const double &angle=0., TdkMathMatrix matrix=NULL)
Static Protected Member Functions
static bool	needToFlipImage ()
Protected Attributes
TeRasterParams	params_
TeRaster *	backRaster_
bool	usingDoubleBuffer_
bool	usingCacheBuffer_
cdContext *	xor_ctx_
void *	xor_data_
cdCanvas *	frontCv_
	handle to CD front canvas.
cdCanvas *	backCv_
	handle to CD back canvas.
cdCanvas *	xorCv_
	handle to the canvas uses to write XOR if GDI+ is used.
cdCanvas *	activeCv_
	handle to CD active canvas.
cdCanvas *	cacheCv_
	handle to CD active canvas.
TdkCDClipType	clipType_
const bool	killCdCv_
long int	backColor_
long int	pointColor_
	current point color.
long int	lineColor_
	current line color.
long int	polyColor_
	current polygon fill color.
long int	polyBorderColor_
	current polygon fill color.
long int	txtColor_
	current text color.
long int	txtBackgroundColor_
long int	txtBorderColor_
int	dashSize_
int *	dashArray_
bool	isPtCharType_
char	ptChar_
int	ptType_
int	ptSize_
int	lineType_
int	lineWidth_
int	polyType_
int	polyBorderType_
int	polyBorderWidth_
bool	usePolyBackgroundColor_
string	txtFont_
int	txtSize_
bool	txtBold_
bool	txtItalic_
double	txtAlignV_
double	txtAlignH_
double	txtAngle_
int	txtBorderType_
int	txtBorderWidth_
int	txtBackgroundType_
unsigned int	count_
unsigned int	countStep_
Private Member Functions
	TdkCDCanvas (const TdkCDCanvas &)
	a copy of the object cannot be taken
virtual cdContext *	getCDContext (TdkCDCanvas::Drivers drv)
virtual void	createCanvas (TdkCDCanvas::Drivers drv, void *data, bool double_buffer=false, bool with_cache=false)
virtual bool	createDoubleBuffer ()
virtual bool	createCache ()
virtual void	createXorCanvas (cdContext ctx, void data)
virtual void	createXorCanvas ()
virtual void	setDefaultValues ()
	Sets all the class variables to the default values.
virtual void	setCDDefaultValues (cdCanvas *cv)
virtual void	drawVertex (const TeCoord2D &vtx)
virtual void	drawVertexW (const TeCoord2D &vtx)
virtual void	setWorldRasterParams ()
virtual void	incrementCount (unsigned int inc=1)
virtual void	imgRectWindow2Viewport (double wx0, double wy0, double wx1, double wy1, double &vx0, double &vy0, double &vw, double &vh)
Static Private Member Functions
static void	initializeGdiPlus ()
Static Private Attributes
static const char *	CD_ATTR_NAME_ANTIALIAS = "ANTIALIAS"

Detailed Description

Implementation of the TdkCanvas abstract class for the Canvas Draw tecgraf library.

See also:: http://www.tecgraf.puc-rio.br/cd

Member Enumeration Documentation

enum TdkCDCanvas::Drivers

Enumerator:

drvIUP
drvNativeWindow
drvClipboard
drvPrinter
drvImage
drvImageRGB
drvCGM
drvDGN
drvDXF
drvEMF
drvMetafile
drvPS
drvWMF

enum TdkCDCanvas::TdkCDClipType

Enumerator:

TdkCDClipNone
TdkCDClipArea
TdkCDClipPolygon
TdkCDClipRegion

Constructor & Destructor Documentation

TdkCDCanvas::TdkCDCanvas	(	Drivers	drv,
		void *	data,
		bool	double_buffer = `false`,
		bool	with_cache = `false`
	)

TdkCDCanvas::TdkCDCanvas	(	cdCanvas *	cv,
		cdCanvas *	back_buffer = `NULL`,
		cdCanvas *	cache = `NULL`
	)

TdkCDCanvas::TdkCDCanvas	(	void *	data,
		bool	double_buffer = `true`,
		bool	with_cache = `false`
	)

TdkCDCanvas::TdkCDCanvas	(	TdkImageRGB &	rgb,
		const TeBox &	world,
		TeProjection &	projection,
		const TeColor &	back_color
	)

Parameters:

rgb	The image representation.
world	The world area (in world coordinates).
projection	The world coordinates projection.
back_color	The back color.

TdkCDCanvas::~TdkCDCanvas ( )

TdkCDCanvas destructor.

TdkCDCanvas::TdkCDCanvas ( const TdkCDCanvas & ) [private]

a copy of the object cannot be taken

Member Function Documentation

void TdkCDCanvas::activateAntiAlias ( bool blActivate ) [static]

bool TdkCDCanvas::isAntiAliasActivated ( void ) [static]

void TdkCDCanvas::setWindow	(	const double &	llx,
		const double &	lly,
		const double &	urx,
		const double &	ury
	)			`[virtual]`

Adjusts world (or window) coordinates area (supposing a cartesian reference system).

Parameters:

	llx	Lower left abscissa. (Input)
	lly	Lower left ordinate. (Input)
	urx	Upper left abscissa. (Input)
	ury	Upper left ordinate. (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::setWindow ( const TeBox & box ) [virtual]

Adjusts world (window) coordinates area (supposing a cartesian reference system).

Parameters:

box

Bounding box of world. (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::getWindow	(	double &	llx,
		double &	lly,
		double &	urx,
		double &	ury
	)			`[virtual]`

Returns the world (window) coordinates area (supposing a cartesian reference system).

Parameters:

	llx	Lower left abscissa. (Output)
	lly	Lower left ordinate. (Output)
	urx	Upper left abscissa. (Output)
	ury	Upper left ordinate. (Output)

Reimplemented from TdkCanvas.

void TdkCDCanvas::getWindow ( TeBox & window ) [virtual]

Reimplemented from TdkCanvas.

void TdkCDCanvas::setViewport	(	const double &	llx,
		const double &	lly,
		const double &	urx,
		const double &	ury
	)			`[virtual]`

Adjusts device coordinates area (supposing a cartesian reference system).

Parameters:

	llx	Lower left abscissa. (Input)
	lly	Lower left ordinate. (Input)
	urx	Upper left abscissa. (Input)
	ury	Upper left ordinate. (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::setViewport ( const TeBox & box ) [virtual]

Adjusts device coordinates area (supposing a cartesian reference system).

Parameters:

box

Device bounding box. (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::getViewport	(	double &	llx,
		double &	lly,
		double &	urx,
		double &	ury
	)			`[virtual]`

Returns the device coordinates area.

Parameters:

	llx	Lower left abscissa. (Output)
	lly	Lower left ordinate. (Output)
	urx	Upper left abscissa. (Output)
	ury	Upper left ordinate. (Output)

Reimplemented from TdkCanvas.

void TdkCDCanvas::getViewport ( TeBox & viewport ) [virtual]

Reimplemented from TdkCanvas.

void TdkCDCanvas::viewport2Window	(	const double &	vx,
		const double &	vy,
		double &	wx,
		double &	wy
	)			`[virtual]`

TODO: These methods should be fixed for performance improvement.

Reimplemented from TdkCanvas.

void TdkCDCanvas::viewport2Window	(	const double &	v,
		double &	w,
		const bool &	xdirection = `true`
	)			`[virtual]`

Transform device (or viewpoort) value to world (or window) value according to one axis.

Parameters:

	v	Viewport (or device) value. (Input)
	w	World (or window) value. (Output)
	xdirection	If world and device don't keep aspect ratio you should specify what axis to consider.

Reimplemented from TdkCanvas.

void TdkCDCanvas::setBackgroundColor ( const TeColor & c ) [virtual]

Sets the background color of the canvas to c. This will affect all buffers in use, painting all them with the specified color.

Parameters:

Background color that must be applied to canvas. (Input)

Reimplemented from TdkCanvas.

TdkCanvas * TdkCDCanvas::copy ( ) [virtual]

void TdkCDCanvas::setRotation	(	double	angle,
		double	cx,
		double	cy
	)			`[virtual]`

set the background color of the canvas

TdkCanvas::TdkPaintMode TdkCDCanvas::getPaintMode ( ) [virtual]

void TdkCDCanvas::setVisual	(	TdkVisual *	v,
		const TeGeomRep &	rep
	)			`[virtual]`

Sets the visual for a given geometry type.

Parameters:

	v	Visual that must be applied to a given geometry type. (Input)
	rep	Geometry type that the visual will be applied (may be: TePOLYGON for polygon geometry, TeLINES for line geometry, TePOINTS for point geometry, TeTEXT = 128 for text geometry, TeCELLS for cell geometry). (Input)

Note:: The parameter transparency_ in visual must be an integer value between 0 and 100, it must be converted to 0-255 internally in each implementation.

Implements TdkCanvas.

void TdkCDCanvas::setPointColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Sets the pen color used to draw point geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPointColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Sets the pen color used to draw point geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)
	alpha	Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPointColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setPointAlpha ( const int & alpha ) [virtual]

Sets the alpha channel used to draw point geometries.

Parameters:

alpha

Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPointType ( const int & type ) [virtual]

Sets the style for draw point geometries.

Parameters:

style

Point style that will be used to draw points. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPointSize ( const int & s ) [virtual]

Sets pen size (in pixels) used to draw point geometries.

Parameters:

Pen size (in pixels). (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::setPointChar ( const char & c ) [inline, virtual]

Implements TdkCanvas.

void TdkCDCanvas::setLineColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Sets the pen color used to draw line geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setLineColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Sets the pen color used to draw line geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)
	alpha	Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setLineColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setLineAlpha ( const int & alpha ) [virtual]

Sets the alpha channel used to draw line geometries.

Parameters:

alpha

Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setLineType ( const int & type ) [virtual]

Sets the style for draw line geometries.

Parameters:

style

Line style that will be used to draw lines. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setLineStyleDashes	(	double *	dashArray,
		const int &	size
	)			`[virtual]`

Sets an array of custom dashes and spaces for this Pen object.

Parameters:

	dashArray	Pointer to an array of real numbers that specifies the length of the custom dashes and spaces. All elements in the array must be positive.
	size	Integer that specifies the number of elements in the dashArray array. The integer must be greater than 0 and not greater than the total number of elements in the array

Implements TdkCanvas.

void TdkCDCanvas::setLineWidth ( const int & width ) [virtual]

Sets pen width (in pixels) used to draw line geometries .

Parameters:

width

Pen size (in pixels). (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Sets the color used to fill the draw of polygon geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Sets the color used to fill the draw of polygon geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)
	alpha	Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setPolygonAlpha ( const int & alpha ) [virtual]

Sets the alpha channel used to fill the draw of polygon geometries.

Parameters:

alpha

Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonType ( const int & type ) [virtual]

TODO: This is not right. Only CD constants should be passed to CD.

Implements TdkCanvas.

void TdkCDCanvas::setPolygonTypeStipple	(	const int &	width,
		const int &	height,
		unsigned char *	fgbg,
		const int &	br,
		const int &	bg,
		const int &	bb
	)			`[virtual]`

Fills the polygon with foreground color or a background color (r, g, b) having a mask matrix fgbg (of '0's and '1's).

Parameters:

	width	Number o columns. (Input)
	height	Number o lines. (Input)
	fgbg	Mask matrix, when '0' we must use the background color (r,g,b) and when the value is '1' we must use the foreground color set in setPolygonColor. (Input)
	br	Red background color. (Input)
	bg	Green background color. (Input)
	bb	Blue background color. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonTypePattern	(	const int &	width,
		const int &	height,
		unsigned char *	r,
		unsigned char *	g,
		unsigned char *	b
	)			`[virtual]`

Sets the pattern style used to fill the draw of polygon geometries.

Parameters:

	width	The width of the pattern (number of columns of RGB array). (Input)
	height	The height of the pattern (number of lines of RGB array). (Input)
	r	Pointer to red pixel component array. (Input)
	g	Pointer to green pixel component array. (Input)
	b	Pointer to blue pixel component array. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonBorderColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Sets the pen color used to draw the boundary of polygon geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonBorderColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Sets the pen color used to draw the boundary of polygon geometries.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)
	alpha	Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonBorderColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setPolygonBorderAlpha ( const int & alpha ) [virtual]

Sets the alpha channel used to draw the boundary of polygon geometries.

Parameters:

alpha

Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonBorderType ( const int & type ) [virtual]

Sets the style used to draw the boundary of polygon geometries.

Parameters:

style

Line style used to draw a polygon boundary. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setPolygonBorderWidth ( const int & width ) [virtual]

Sets pen width (in pixels) used to draw the boundary of polygon geometries .

Parameters:

width

Pen size (in pixels). (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Sets the color of the text.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Sets the color of the text.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)
	alpha	Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setTextBackgroundColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Sets the background color of the text.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextBackgroundColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Sets the background color of the text.

Parameters:

	r	Red component color value. (Input)
	g	Green component color value. (Input)
	b	Blue component color value. (Input)
	alpha	Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextBackgroundColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setTextBackgroundAlpha ( const int & alpha ) [virtual]

Sets the alpha channel used to fill the background of texts.

Parameters:

alpha

Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextBackgroundType ( const int & type ) [virtual]

Implements TdkCanvas.

void TdkCDCanvas::setTextBorderColor	(	const int &	r,
		const int &	g,
		const int &	b
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setTextBorderColor	(	const int &	r,
		const int &	g,
		const int &	b,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setTextBorderColor	(	const TeColor &	color,
		const int &	alpha
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setTextBorderAlpha ( const int & alpha ) [virtual]

Implements TdkCanvas.

void TdkCDCanvas::setTextBorderType ( const int & type ) [virtual]

Implements TdkCanvas.

void TdkCDCanvas::setTextBorderWidth ( const int & width ) [virtual]

Implements TdkCanvas.

void TdkCDCanvas::setTextAlpha ( const int & alpha ) [virtual]

Sets the alpha channel used to draw texts.

Parameters:

alpha

Must be a value between 0 and 255, where 0 is opaque and 255 is completely transparent. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextFont ( const string & fontName ) [virtual]

Sets the font family of the text.

Parameters:

fontName

Font name. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextSize ( const int & size ) [virtual]

Sets the size of the text.

Parameters:

size

Font size. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextBold ( const bool & bold = true ) [virtual]

Sets the bold style for text.

Parameters:

bold

If true, the text will be draw in bold face otherwise not. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextItalic ( const bool & italic = true ) [virtual]

Sets the italic style for text.

Parameters:

italic

If true, the text will be draw in italic otherwise not. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextAngle ( const double & angle ) [virtual]

Adjusts the angle used to draw texts.

Parameters:

angle

Angle in decimal degrees. (Input)

Implements TdkCanvas.

void TdkCDCanvas::setTextAlign	(	const double &	alignmentHoriz,
		const double &	alignmentVert
	)			`[virtual]`

Sets the alignment of the text.

Parameters:

	alignmentVert	Vertical alignment. (Input)
	alignmentHoriz	Horizontal alignment. (Input)

Implements TdkCanvas.

void TdkCDCanvas::getTextAlign	(	double &	alignmentHoriz,
		double &	alignmentVert
	)			`[virtual]`

Implements TdkCanvas.

virtual void TdkCDCanvas::addBuffer ( const int & bufferId ) [inline, virtual]

Adds a new buffer identified by bufferId. If you try to create another one identified by the same id, it will raise an exception.

Parameters:

bufferId

The buffer identification associated to the new buffer. Must be a value greater than -1. (Input)

Note:: bufferId must be greater than -1.

Implements TdkCanvas.

virtual void TdkCDCanvas::removeBuffer ( const int & bufferId ) [inline, virtual]

Removes the buffer identified by bufferId. If you specify an invalid id, it will be raised an exception.

Parameters:

bufferId

The identification of the buffer to be removed. (Input)

Note:: If the buffer is the current one, you should specify a new active (current) buffer, otherwise, you can get an undefined result.

Implements TdkCanvas.

virtual void TdkCDCanvas::writeBuffer	(	const int &	sourceBuff,
		const int &	destinationBuff,
		const bool &	transparent = `false`,
		const int &	r = `0`,
		const int &	g = `0`,
		const int &	b = `0`,
		const int &	a = `0`
	)			`[inline, virtual]`

Copies the content of source buffer to a destination buffer (its a pixel a pixel copy). When transparent is set to true, the pixels specified by (r, g, b, a) color will not be copied to the destination buffer.

Parameters:

	sourceBuff	Source buffer, from wich the pixels will be copied to a destination buffer. (Input)
	destinationBuff	Destination buffer, to wich the pixels will be copied. (Input)
	transparent	Indicates if we will have a transparent color during copy, i. e., the pixels with the specified color that will not be copied from the source buffer to the destination. (Input)
	r	Red component color. (Input)
	g	Green component color. (Input)
	b	Blue component color. (Input)
	a	Alpha component. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawPointW ( const TeCoord2D & coord ) [virtual]

Draws a point specified in window (world) coordinates.

Parameters:

coord

TerraLib coordinate instance. (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::drawPointW	(	const double &	x,
		const double &	y
	)			`[virtual]`

Draws a point specified in window (world) coordinates.

Parameters:

	x	Abscissa: horizontal coordinate (x). (Input)
	y	Ordinate: vertical coordinate (y). (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::drawPoint ( const TeCoord2D & coord ) [virtual]

Draws a point specified in device coordinates.

Parameters:

coord

TerraLib coordinate instance. (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::drawPoint	(	const double &	x,
		const double &	y
	)			`[virtual]`

Draws a point specified in device coordinates.

Parameters:

	x	Abscissa: horizontal coordinate (x). (Input)
	y	Ordinate: vertical coordinate (y). (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawLine	(	TdkPrimitiveCoord *	line,
		const int &	lineSize
	)			`[inline, virtual]`

Draws a line with vertexes specified in device coordinates.

Parameters:

	line	A pointer to line vertexes. (Input)
	lineSize	Number of line vertexes. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawLine	(	const TeLine2D &	line,
		const bool &	showPoint = `false`
	)			`[virtual]`

Draws a line with vertexes specified in device coordinates.

Parameters:

	line	TerraLib line instance. (Input)
	showPoint	If true the line vertexes will be drawn. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawPolygon	(	TdkPrimitiveCoord *	poly,
		int *	ringSize,
		const int &	nRings
	)			`[inline, virtual]`

Draws a polygon with vertexes specified in device coordinates.

Parameters:

	poly	A pointer to polygon vertexes. (Input)
	ringSize	A pointer to an array with each polygon ring size. (Input)
	nRings	The number of rings in the specified polygon. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawPolygon	(	const TePolygon &	poly,
		const bool &	showPoint = `false`
	)			`[virtual]`

Draws a polygon with vertexes specified in device coordinates.

Parameters:

	poly	TerraLib polygon instance. (Input)
	showPoint	If true the polygon vertexes will be drawn. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawCell	(	const TeCell &	cell,
		const bool &	showPoint = `false`
	)			`[inline, virtual]`

Draws a cell with vertexes specified in device coordinates.

Parameters:

	cell	TerraLib cell instance. (Input)
	showPoint	If true the cell vertexes will be drawn. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawText	(	const double &	x,
		const double &	y,
		const string &	text
	)			`[virtual]`

Draws the text with baseline at (x, y), specified in device coordinates.

Parameters:

	x	Baseline abscissa. (Input)
	y	Baseline ordinate. (Input)
	text	Text to write over canvas. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawRaster	(	TeRaster *	raster,
		TeRasterTransform *	transf,
		const double &	angle = `0.0`,
		TdkMathMatrix *	matrix = `NULL`
	)			`[virtual]`

Draws the raster.

Parameters:

	raster	A pointer to a TerraLib raster instance. (Input)
	transf	A pointer to the raster transform function. (Input)
	angle	????
	matrix	????

Implements TdkCanvas.

void TdkCDCanvas::drawImageRGB	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	red,
		unsigned char *	green,
		unsigned char *	blue,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a RGB image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	red	Pointer to red pixel component array. (Input)
	green	Pointer to green pixel component array. (Input)
	blue	Pointer to blue pixel component array. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageRGB	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	red,
		unsigned char *	green,
		unsigned char *	blue,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a RGB image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	red	Pointer to red pixel component array. (Input)
	green	Pointer to green pixel component array. (Input)
	blue	Pointer to blue pixel component array. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageRGB	(	const double &	angle,
		const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	red,
		unsigned char *	green,
		unsigned char *	blue,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a RGB image.

Parameters:

	angle	Angle in decimal degrees to rotate the image. (Input)
	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	red	Pointer to red pixel component array. (Input)
	green	Pointer to green pixel component array. (Input)
	blue	Pointer to blue pixel component array. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageRGBA	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	red,
		unsigned char *	green,
		unsigned char *	blue,
		unsigned char *	alpha,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a RGB-Alpha image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	red	Pointer to red pixel component array. (Input)
	green	Pointer to green pixel component array. (Input)
	blue	Pointer to blue pixel component array. (Input)
	alpha	Pointer to alpha channel pixel component array. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageRGBA	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	red,
		unsigned char *	green,
		unsigned char *	blue,
		unsigned char *	alpha,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a RGB-Alpha image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	red	Pointer to red pixel component array. (Input)
	green	Pointer to green pixel component array. (Input)
	blue	Pointer to blue pixel component array. (Input)
	alpha	Pointer to alpha channel pixel component array. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageRGBA	(	const double &	angle,
		const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	red,
		unsigned char *	green,
		unsigned char *	blue,
		unsigned char *	alpha,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a RGB-Alpha image.

Parameters:

	angle	Angle in decimal degrees to rotate the image. (Input)
	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	red	Pointer to red pixel component array. (Input)
	green	Pointer to green pixel component array. (Input)
	blue	Pointer to blue pixel component array. (Input)
	alpha	Pointer to alpha channel pixel component array. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageMap	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	index,
		long int *	colors,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a palette image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	index	Pointer to the pixel component. (Input)
	colors	Pointer to the color palette. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageMap	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	index,
		long int *	colors,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a palette image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	index	Pointer to the pixel component. (Input)
	colors	Pointer to the color palette. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageMap	(	const double &	angle,
		const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	index,
		long int *	colors,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a palette image.

Parameters:

	angle	Angle in decimal degrees to rotate the image. (Input)
	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	index	Pointer to the pixel component. (Input)
	colors	Pointer to the color palette. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageGray	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	data,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a gray image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	data	Pointer to the pixel component. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageGray	(	const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	data,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a gray image.

Parameters:

	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	data	Pointer to the pixel component. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawImageGray	(	const double &	angle,
		const unsigned int &	imgW,
		const unsigned int &	imgH,
		unsigned char *	data,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW = `0`,
		const unsigned int &	srcH = `0`
	)			`[virtual]`

Draws at (dstX, dstY) the pixels of a gray image.

Parameters:

	angle	Angle in decimal degrees to rotate the image. (Input)
	imgW	Source image width. (Input)
	imgH	Source image height. (Input)
	data	Pointer to the pixel component. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding height for drawing on canvas from the ordinate (dstY). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawLineSegment	(	const TeCoord2D &	c1,
		const TeCoord2D &	c2
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::drawLineSegment	(	const double &	x0,
		const double &	y0,
		const double &	x1,
		const double &	y1
	)			`[virtual]`

Draws a line segment from (x0, y0) to (x1, y1), specified in device coordinates.

Parameters:

	x0	Abscissa value indicating the segment begin. (Input)
	y0	Ordinate value indicating the segment begin. (Input)
	x1	Abscissa value indicating the segment end. (Input)
	y1	Ordinate value indicating the segment end. (Input)

Implements TdkCanvas.

void TdkCDCanvas::drawRect	(	const double &	llx,
		const double &	lly,
		const double &	urx,
		const double &	ury
	)			`[virtual]`

Draws a rectangle with lower left corner at (llx, lly) and uper right corner at (urx, ury), specified in device coordinates.

Parameters:

	llx	Lower left abscissa. (Input)
	lly	Lower left ordinate. (Input)
	urx	Upper right abscissa. (Input)
	ury	Upper right ordinate. (Input)

Implements TdkCanvas.

void TdkCDCanvas::fillRect	(	const double &	llx,
		const double &	lly,
		const double &	urx,
		const double &	ury
	)			`[virtual]`

Fills the rectangle with lower left corner at (llx, lly) and uper right corner at (urx, ury), specified in device coordinates.

Parameters:

	llx	Lower left abscissa. (Input)
	lly	Lower left ordinate. (Input)
	urx	Upper right abscissa. (Input)
	ury	Upper right ordinate. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawEllipse	(	const double &	xc,
		const double &	yc,
		const double &	rx1,
		const double &	ry1,
		const double &	rx2,
		const double &	ry2
	)			`[inline, virtual]`

Draws an ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	rx1	First conjugate radius (in the same device unit). (Input)
	ry1	First conjugate radius (in the same device unit). (Input)
	rx2	Second conjugate radius (in the same device unit). (Input)
	ry2	Second conjugate radius (in the same device unit). (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawEllipse	(	const double &	xc,
		const double &	yc,
		const double &	rx,
		const double &	ry,
		const double &	angle
	)			`[inline, virtual]`

Draws an ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	rx	X axis width (in the same device unit). (Input)
	ry	Y axis width (in the same device unit). (Input)
	angle	Angle to rotate the ellipse round "x" axis. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::fillEllipse	(	const double &	xc,
		const double &	yc,
		const double &	rx1,
		const double &	ry1,
		const double &	rx2,
		const double &	ry2
	)			`[inline, virtual]`

Fills the ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	rx1	First conjugate radius (in the same device unit). (Input)
	ry1	First conjugate radius (in the same device unit). (Input)
	rx2	Second conjugate radius (in the same device unit). (Input)
	ry2	Second conjugate radius (in the same device unit). (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::fillEllipse	(	const double &	xc,
		const double &	yc,
		const double &	rx,
		const double &	ry,
		const double &	angle
	)			`[inline, virtual]`

Fills the ellipse with center at (xc, yc), specified in device coordinates, x axis width r1 and y axis width r2, especified in the same device unit.

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	rx	X axis width (in the same device unit). (Input)
	ry	Y axis width (in the same device unit). (Input)
	angle	Angle to rotate the ellipse round "x" axis. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawArc	(	const double &	xc,
		const double &	yc,
		const double &	w,
		const double &	h,
		const double &	startAngle,
		const double &	finalAngle
	)			`[inline, virtual]`

Draws an arc defined by a center at (xc, yc), specified in device coordinates, width (w), height (h), the start angle (startAngle) and the final angle (finalAngle).

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	w	Width (in the same device unit). (Input)
	h	Height (in the same device unit). (Input)
	startAngle	Start angle in decimal degrees. (Input)
	finalAngle	Final angle in decimal degrees. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawSector	(	const double &	xc,
		const double &	yc,
		const double &	w,
		const double &	h,
		const double &	startAngle,
		const double &	finalAngle
	)			`[inline, virtual]`

Draws a sector defined by a center coordinate (xc, yc), specified in device coordinates, width (w), height (h), the start angle (startANgle) and the final angle (finalAngle).

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	w	Width (in the same device unit). (Input)
	h	Height (in the same device unit). (Input)
	startAngle	Start angle in decimal degrees. (Input)
	finalAngle	Final angle in decimal degrees. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::fillSector	(	const double &	xc,
		const double &	yc,
		const double &	w,
		const double &	h,
		const double &	startAngle,
		const double &	finalAngle
	)			`[inline, virtual]`

Fills the sector defined by a center coordinate (xc, yc), specified in device coordinates, width (w), height (h), the start angle (startANgle) and the final angle (finalAngle).

Parameters:

	xc	Center abscissa. (Input)
	yc	Center ordinate. (Input)
	w	Width (in the same device unit). (Input)
	h	Height (in the same device unit). (Input)
	startAngle	Start angle in decimal degrees. (Input)
	finalAngle	Final angle in decimal degrees. (Input)

Implements TdkCanvas.

virtual char* TdkCDCanvas::getImage	(	const double &	x,
		const double &	y,
		const int &	w,
		const int &	h,
		TdkImageType	imageType,
		int &	size,
		const int &	quality = `75`
	)			`[inline, virtual]`

Returns an image from the current canvas buffer content in a specified format (PNG, JPEG, GIF or other).

Parameters:

	x	Initial canvas abscissa position to copy pixels from. (Input)
	y	Initial canvas ordinate position to copy pixels from. (Input)
	w	Number of columns (width) to copy from canvas. (Input)
	h	Number of lines (height) to copy from canvas. (Input)
	imageType	The desired output format. (Input)
	size	The size of returned image in bytes. (Output)
	quality	Defines the quality desired. It applies to JPEG image. (Output)

Implements TdkCanvas.

virtual void TdkCDCanvas::getImageGray	(	const double &	x,
		const double &	y,
		const int &	w,
		const int &	h,
		unsigned char *	data
	)			`[inline, virtual]`

Returns a Gray Image from the current canvas buffer content.

Parameters:

	x	Initial canvas abscissa position to copy pixels from. (Input)
	y	Initial canvas ordinate position to copy pixels from. (Input)
	w	Number of columns (width) to copy from canvas. (Input)
	h	Number of lines (height) to copy from canvas. (Input)
	data	Pointer to the pixel array to be written from canvas. (Output)

Implements TdkCanvas.

virtual void TdkCDCanvas::getImageMap	(	const double &	x,
		const double &	y,
		const int &	w,
		const int &	h,
		unsigned char *	index,
		long int *	colors
	)			`[inline, virtual]`

Returns a Palette Image from the current canvas buffer content.

Parameters:

	x	Initial canvas abscissa position to copy pixels from. (Input)
	y	Initial canvas ordinate position to copy pixels from. (Input)
	w	Number of columns (width) to copy from canvas. (Input)
	h	Number of lines (height) to copy from canvas. (Input)
	index	Pointer to a red array component to be written from canvas. (Output)
	colors	Pointer to a green array component to be written from canvas. (Output)

Implements TdkCanvas.

virtual void TdkCDCanvas::getImageRGBA	(	const double &	x,
		const double &	y,
		const int &	w,
		const int &	h,
		unsigned char *	r,
		unsigned char *	g,
		unsigned char *	b,
		unsigned char *	a
	)			`[inline, virtual]`

Returns an RGB-Alpha array from the current canvas buffer content.

Parameters:

	x	Initial canvas abscissa position to copy pixels from. (Input)
	y	Initial canvas ordinate position to copy pixels from. (Input)
	w	Number of columns (width) to copy from canvas. (Input)
	h	Number of lines (height) to copy from canvas. (Input)
	r	Pointer to a red array component to write from canvas. (Output)
	g	Pointer to a green array component to be written from canvas. (Output)
	b	Pointer to a blue array component to be written from canvas. (Output)
	a	Pointer to an alpha array component to be written from canvas. (Output)

Implements TdkCanvas.

void TdkCDCanvas::getImageRGB	(	const double &	x,
		const double &	y,
		const int &	w,
		const int &	h,
		unsigned char *	r,
		unsigned char *	g,
		unsigned char *	b
	)			`[virtual]`

Returns an RGB array from the current canvas buffer content.

Parameters:

	x	Initial canvas abscissa position to copy pixels from. (Input)
	y	Initial canvas ordinate position to copy pixels from. (Input)
	w	Number of columns (width) to copy from canvas. (Input)
	h	Number of lines (height) to copy from canvas. (Input)
	r	Pointer to a red array component to be writen from canvas. (Output)
	g	Pointer to a green array component to be written from canvas. (Output)
	b	Pointer to a blue array component to be written from canvas. (Output)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawImage	(	char *	image,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH,
		const double &	dstX,
		const double &	dstY,
		const TdkImageType &	imageType
	)			`[inline, virtual]`

Draws at (dstX, dstY) the srcW by srcH area of pixels from (srcX, srcY) in image of type (imageType).

Parameters:

	image	A pointer to an image (PNG, JPEG or other). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	imageType	Image type: TePNG, TeJPEG, TeGIF, TeBITMAP or others. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawImage	(	char *	image,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const TdkImageType &	imageType
	)			`[inline, virtual]`

Draws at (dstX, dstY) the srcW by srcH area of pixels from (srcX, srcY) in image of type (imageType).

Parameters:

	image	A pointer to an image (PNG, JPEG or other). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding width for drawing on canvas from the ordinate (dstY). (Input)
	imageType	Image type: TePNG, TeJPEG, TeGIF, TeBITMAP or others. (Input)

Implements TdkCanvas.

virtual void TdkCDCanvas::drawImage	(	const double &	angle,
		char *	image,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH,
		const double &	dstX,
		const double &	dstY,
		const unsigned int &	dstW,
		const unsigned int &	dstH,
		const TdkImageType &	imageType
	)			`[inline, virtual]`

Draws at (dstX, dstY) the srcW by srcH area of pixels from (srcX, srcY) in image of type (imageType).

Parameters:

	angle	Angle in decimal degrees to rotate the image. (Input)
	image	A pointer to an image (PNG, JPEG or other). (Input)
	srcX	Initial abscissa position of the pixel on the image to copy to canvas. (Input)
	srcY	Initial ordinate position of the pixel on the image to copy to canvas. (Input)
	srcW	Number of columns (width) to copy from srcX position. (Input)
	srcH	Number of lines (height) to copy from srcY position. (Input)
	dstX	Baseline abscissa on canvas. (Input)
	dstY	Baseline ordinate on canvas. (Input)
	dstW	Bounding width for drawing on canvas from the abscissa (dstX). (Input)
	dstH	Bounding width for drawing on canvas from the ordinate (dstY). (Input)
	imageType	Image type: TePNG, TeJPEG, TeGIF, TeBITMAP or others. (Input)

Implements TdkCanvas.

int TdkCDCanvas::setActiveBuffer ( const int & bufferId ) [virtual]

Sets the current buffer used to draw. This method changes the current buffer used to draw, you should specify a valid identifier, otherwise it will be raised an exception.

Parameters:

bufferId

Buffer identification: it is a key for identify a given buffer. (Input)

Returns:: Return the previous buffer id that was active or -1 if the buffer could not be found.

Reimplemented from TdkCanvas.

int TdkCDCanvas::getActiveBuffer ( ) [virtual]

void TdkCDCanvas::repaint ( ) [virtual]

Do a repaint on canvas.

Implements TdkCanvas.

int TdkCDCanvas::setPaintMode ( const int & mode ) [virtual]

Adjusts canvas drawing mode: ....

Parameters:

mode

The mode can be one of the following: ..... (Input)

Reimplemented from TdkCanvas.

void TdkCDCanvas::clear ( ) [virtual]

Implements TdkCanvas.

void TdkCDCanvas::clearRect	(	double	xmin,
		double	ymin,
		double	xmax,
		double	ymax
	)			`[virtual]`

TeProjection * TdkCDCanvas::setViewProjection ( TeProjection * proj ) [virtual]

Reimplemented from TdkCanvas.

void TdkCDCanvas::setOrigin	(	double	x,
		double	y
	)			`[virtual]`

void TdkCDCanvas::translateArea	(	double	xmin,
		double	xmax,
		double	ymin,
		double	ymax,
		double	dx,
		double	dy
	)			`[virtual]`

void TdkCDCanvas::getTextBoundsW	(	const string &	text,
		const double &	x,
		const double &	y,
		const double &	angle,
		TdkTextBounds &	bounds
	)			`[virtual]`

Returns the bounding box of a text in world coordinates.

Parameters:

	text	The text to retrieve the bounding box.
	box	A polygon with all text box coordinates (the box may not be parallel to xy axis). (Output)

Implements TdkCanvas.

void TdkCDCanvas::getTextBounds	(	const string &	text,
		const double &	x,
		const double &	y,
		const double &	angle,
		TdkTextBounds &	bounds
	)			`[virtual]`

Returns the bounding box of a text in device coordinates.

Parameters:

	text	The text to retrieve the bounding box.
	box	A polygon with all text box coordinates (the box may not be parallel to xy axis). (Output)

Implements TdkCanvas.

void TdkCDCanvas::getTextBoundsW	(	const TeText &	text,
		TdkTextBounds &	bounds
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::getTextBounds	(	const TeText &	text,
		TdkTextBounds &	bounds
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::setClipArea ( const TeBox & box ) [virtual]

Establishes a clipping rectangle. Once setClipArea has been called, all future drawing operations will remain within the specified clipping area, until a new setClipArea call takes place. For instance, if a clipping rectangle of 25, 25, 75, 75 has been set within a 100x100 device area, a diagonal line from 0,0 to 99,99 will appear only between 25,25 and 75,75.

Parameters:

box

The box that will delimit the drawing area (in device coordinates). (Input)

Implements TdkCanvas.

void TdkCDCanvas::setClipArea	(	const double &	llx,
		const double &	lly,
		const double &	urx,
		const double &	ury
	)			`[virtual]`

Parameters:

	llx	Lower left abscissa (in device coordinates). (Input)
	lly	Lower left ordinate (in device coordinates). (Input)
	urx	Upper left abscissa (in device coordinates). (Input)
	ury	Upper left ordinate (in device coordinates). (Input)

Implements TdkCanvas.

void TdkCDCanvas::getClipArea	(	double &	llx,
		double &	lly,
		double &	urx,
		double &	ury
	)			`[virtual]`

Returns the clipping area.

Parameters:

	llx	Lower left abscissa (in device coordinates). (Output)
	lly	Lower left ordinate (in device coordinates). (Output)
	urx	Upper left abscissa (in device coordinates). (Output)
	ury	Upper left ordinate (in device coordinates). (Output)

Implements TdkCanvas.

void TdkCDCanvas::setClipArea ( const TePolygon & poly ) [virtual]

Establishes a clipping polygon. Once setClipArea has been called, all future drawing operations will remain within the specified polygon clipping area, until a new setClipArea call takes place.

Parameters:

poly

The polygon that will delimit the drawing area (in device coordinates). (Input)

Implements TdkCanvas.

void TdkCDCanvas::setClipArea	(	const TePolygonSet &	polys,
		const TdkClipAreaType &	clipType
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::getClipArea ( TePolygon & poly ) [virtual]

Returns the clipping polygon.

Parameters:

poly

The current clipping polygon (in device coordinates). (Output)

Implements TdkCanvas.

void TdkCDCanvas::activateClip ( ) [virtual]

Activate clipping mode.

Implements TdkCanvas.

void TdkCDCanvas::deactivateClip ( ) [virtual]

Deactivate clipping mode.

Implements TdkCanvas.

void TdkCDCanvas::mm2Pixel	(	const double &	mmDx,
		const double &	mmDy,
		double &	pDx,
		double &	pDy
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::pixel2MM	(	const double &	pDx,
		const double &	pDy,
		double &	mmDx,
		double &	mmDy
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::maximizeViewport ( ) [virtual]

int TdkCDCanvas::getWidth ( ) const [virtual]

int TdkCDCanvas::getHeight ( ) const [virtual]

void TdkCDCanvas::getDimension	(	double &	w,
		double &	h
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::getDimensionMM	(	double &	w,
		double &	h
	)			`[virtual]`

Implements TdkCanvas.

void TdkCDCanvas::reDim	(	double	w,
		double	h
	)			`[virtual]`

void TdkCDCanvas::setCountStep ( unsigned int step ) [virtual]

unsigned int TdkCDCanvas::getCountStep ( ) const [virtual]

void TdkCDCanvas::flush ( ) [virtual]

void TdkCDCanvas::invertViewportY ( int & y ) const [virtual]

cdCanvas * TdkCDCanvas::getCanvas ( ) const [virtual]

TeRasterParams & TdkCDCanvas::getParams ( ) [virtual]

bool TdkCDCanvas::useGDIPlus ( ) [static]

bool TdkCDCanvas::isGDIPlusContext ( ) const [virtual]

int TdkCDCanvas::getCDClipAreaType ( const TdkClipAreaType & clipType ) [protected, virtual]

int TdkCDCanvas::getCDTextAlignment	(	const double &	talH,
		const double &	talV
	)			`[protected, virtual]`

virtual void TdkCDCanvas::setCDTextVisual	(	const std::string &	font,
		const bool &	bold,
		const bool &	italic,
		const int &	size
	)			`[protected, virtual]`

bool TdkCDCanvas::isCanvasGDIPlus ( cdCanvas * cd ) const [protected, virtual]

bool TdkCDCanvas::needToFlipImage ( ) [static, protected]

void TdkCDCanvas::calculateDrawImageParams	(	const double &	dstX0,
		const double &	dstY0,
		const double &	dstX1,
		const double &	dstY1,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH,
		int &	dst_w,
		int &	dst_h,
		int &	src_x2,
		int &	src_y2
	)			`[protected, virtual]`

void TdkCDCanvas::drawTdkImageRGB	(	TdkImageRGB &	image,
		const double &	dstX0,
		const double &	dstY0,
		const double &	dstX1,
		const double &	dstY1,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH
	)			`[protected, virtual]`

void TdkCDCanvas::drawTdkImageRGBA	(	TdkImageRGBA &	image,
		const double &	dstX0,
		const double &	dstY0,
		const double &	dstX1,
		const double &	dstY1,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH
	)			`[protected, virtual]`

void TdkCDCanvas::drawTdkImageMap	(	TdkImageMap &	image,
		const double &	dstX0,
		const double &	dstY0,
		const double &	dstX1,
		const double &	dstY1,
		const double &	srcX,
		const double &	srcY,
		const unsigned int &	srcW,
		const unsigned int &	srcH
	)			`[protected, virtual]`

bool TdkCDCanvas::buildRaster ( ) [protected, virtual]

void TdkCDCanvas::fillDecoder	(	TeRaster *	raster,
		TeRasterTransform *	transf,
		TeBox &	paintedArea,
		const double &	angle = `0.`,
		TdkMathMatrix *	matrix = `NULL`
	)			`[protected, virtual]`

void TdkCDCanvas::processBlocks	(	TeRaster *	raster,
		const TeRasterParams &	parBlock,
		TeRasterRemap &	remap,
		TeBox &	bboxIntersection,
		TeBox &	paintedArea,
		const int &	res,
		const double &	angle = `0.`,
		TdkMathMatrix *	matrix = `NULL`
	)			`[protected]`

void TdkCDCanvas::drawPaintedAreaImage	(	TdkImageRGB *	image,
		TeBox &	paintedArea,
		const double &	angle = `0.`,
		TdkMathMatrix *	matrix = `NULL`
	)			`[protected]`

cdContext * TdkCDCanvas::getCDContext ( TdkCDCanvas::Drivers drv ) [private, virtual]

void TdkCDCanvas::createCanvas	(	TdkCDCanvas::Drivers	drv,
		void *	data,
		bool	double_buffer = `false`,
		bool	with_cache = `false`
	)			`[private, virtual]`

bool TdkCDCanvas::createDoubleBuffer ( ) [private, virtual]

bool TdkCDCanvas::createCache ( ) [private, virtual]

void TdkCDCanvas::createXorCanvas	(	cdContext *	ctx,
		void *	data
	)			`[private, virtual]`

void TdkCDCanvas::createXorCanvas ( ) [private, virtual]

void TdkCDCanvas::setDefaultValues ( ) [private, virtual]

Sets all the class variables to the default values.

void TdkCDCanvas::setCDDefaultValues ( cdCanvas * cv ) [private, virtual]

void TdkCDCanvas::initializeGdiPlus ( ) [static, private]

void TdkCDCanvas::drawVertex ( const TeCoord2D & vtx ) [private, virtual]

void TdkCDCanvas::drawVertexW ( const TeCoord2D & vtx ) [private, virtual]

void TdkCDCanvas::setWorldRasterParams ( ) [private, virtual]

void TdkCDCanvas::incrementCount ( unsigned int inc = 1 ) [private, virtual]

void TdkCDCanvas::imgRectWindow2Viewport	(	double	wx0,
		double	wy0,
		double	wx1,
		double	wy1,
		double &	vx0,
		double &	vy0,
		double &	vw,
		double &	vh
	)			`[private, virtual]`

This method auxiliates the drawImage... methods. It transforms a rectangle in world coordinates to viewport coordinates and instead of giving the coordinates of the opposite corner of the rectangle is computes the rectangle dimensions and is needed by the cdPutImageRect... functions.

Member Data Documentation

const int TdkCDCanvas::TDK_DEFAULT_COUNT_STEP = 10000 [static]

TeRasterParams TdkCDCanvas::params_ [protected]

TeRaster* TdkCDCanvas::backRaster_ [protected]

bool TdkCDCanvas::usingDoubleBuffer_ [protected]

bool TdkCDCanvas::usingCacheBuffer_ [protected]

cdContext* TdkCDCanvas::xor_ctx_ [protected]

void* TdkCDCanvas::xor_data_ [protected]

cdCanvas* TdkCDCanvas::frontCv_ [protected]

handle to CD front canvas.

cdCanvas* TdkCDCanvas::backCv_ [protected]

handle to CD back canvas.

cdCanvas* TdkCDCanvas::xorCv_ [protected]

handle to the canvas uses to write XOR if GDI+ is used.

cdCanvas* TdkCDCanvas::activeCv_ [protected]

handle to CD active canvas.

cdCanvas* TdkCDCanvas::cacheCv_ [protected]

handle to CD active canvas.

TdkCDClipType TdkCDCanvas::clipType_ [protected]

const bool TdkCDCanvas::killCdCv_ [protected]

True if the object instance is responsible for killing the cd_cv_(cdCanvas*) when itself is deleted. This happens when the CD canvas is created by this object instance.

long int TdkCDCanvas::backColor_ [protected]

long int TdkCDCanvas::pointColor_ [protected]

current point color.

long int TdkCDCanvas::lineColor_ [protected]

current line color.

long int TdkCDCanvas::polyColor_ [protected]

current polygon fill color.

long int TdkCDCanvas::polyBorderColor_ [protected]

current polygon fill color.

long int TdkCDCanvas::txtColor_ [protected]

current text color.

long int TdkCDCanvas::txtBackgroundColor_ [protected]

long int TdkCDCanvas::txtBorderColor_ [protected]

int TdkCDCanvas::dashSize_ [protected]

int* TdkCDCanvas::dashArray_ [protected]

bool TdkCDCanvas::isPtCharType_ [protected]

char TdkCDCanvas::ptChar_ [protected]

int TdkCDCanvas::ptType_ [protected]

int TdkCDCanvas::ptSize_ [protected]

int TdkCDCanvas::lineType_ [protected]

int TdkCDCanvas::lineWidth_ [protected]

int TdkCDCanvas::polyType_ [protected]

int TdkCDCanvas::polyBorderType_ [protected]

int TdkCDCanvas::polyBorderWidth_ [protected]

bool TdkCDCanvas::usePolyBackgroundColor_ [protected]

string TdkCDCanvas::txtFont_ [protected]

int TdkCDCanvas::txtSize_ [protected]

bool TdkCDCanvas::txtBold_ [protected]

bool TdkCDCanvas::txtItalic_ [protected]

double TdkCDCanvas::txtAlignV_ [protected]

double TdkCDCanvas::txtAlignH_ [protected]

double TdkCDCanvas::txtAngle_ [protected]

int TdkCDCanvas::txtBorderType_ [protected]

int TdkCDCanvas::txtBorderWidth_ [protected]

int TdkCDCanvas::txtBackgroundType_ [protected]

unsigned int TdkCDCanvas::count_ [protected]

unsigned int TdkCDCanvas::countStep_ [protected]

const char * TdkCDCanvas::CD_ATTR_NAME_ANTIALIAS = "ANTIALIAS" [static, private]

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

D:/usuarios/rodrigof/svn/tdk/src/peer/components/graphics/CD/TdkCDCanvas.h
D:/usuarios/rodrigof/svn/tdk/src/peer/components/graphics/CD/TdkCDCanvas.cpp

Generated on Fri Jun 15 16:54:30 2007 for TDK by

1.5.2

TdkCDCanvas Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Static Private Member Functions

Static Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation