classes-Com-Tecnick-Pdf-Graph-Transform

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Transform extends Style

in package

AbstractYes

Com\Tecnick\Pdf\Graph\Transform

Tags
since
2011-05-23
category

Library

author

Nicola Asuni info@tecnick.com

copyright

2011-2024 Nicola Asuni - Tecnick.com LTD

license

http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)

link
https://github.com/tecnickcom/tc-lib-pdf-graph

Table of Contents

Constants

MPI  = 3.141592653589793
Pi constant We use this instead of M_PI because HHVM has a different value.

Methods

__construct()  : mixed
Initialize
add()  : string
Add a new style
degToRad()  : float
Converts the number in degrees to the radian equivalent.
getCtmProduct()  : array<string|int, float>
Get the product of two Tranformation Matrix.
getCurrentStyleArray()  : StyleDataOpt
Returns the last style array.
getCurrentStyleItem()  : mixed
Returns the value of th especified item from the last inserted style.
getDefaultStyle()  : StyleData
Returns the default style.
getExtGState()  : string
Add transparency parameters to the current extgstate.
getHorizMirroring()  : string
Horizontal Mirroring.
getHorizScaling()  : string
Horizontal Scaling.
getHorizSkewing()  : string
Skew horizontally.
getHorizTranslation()  : string
Translate graphic object horizontally.
getLastExtGStateID()  : int|null
Returns the last extgstate ID to be used with XOBjects.
getLastStyleProperty()  : mixed
Returns the last set value of the specified property.
getModeWithoutClose()  : string
Remove the Close option from the specified Path paint operator.
getModeWithoutFill()  : string
Remove the Fill option from the specified Path paint operator.
getModeWithoutStroke()  : string
Remove the Stroke option from the specified Path paint operator.
getObjectNumber()  : int
Returns current PDF object number
getOutExtGState()  : string
Get the PDF output string for ExtGState
getOutExtGStateResources()  : string
Get the PDF output string for ExtGState Resource Dictionary
getOutExtGStateResourcesByKeys()  : string
Get the PDF output string for ExtGState Resource Dictionary for XOBjects.
getOutGradientResources()  : string
Get the PDF output string for Gradients Resource Dictionary
getOutGradientResourcesByKeys()  : string
Returns the PDF command to output gradient resources.
getOutGradientShaders()  : string
Get the PDF output string for gradient shaders
getPathPaintOp()  : string
Get the Path-Painting Operators.
getPointMirroring()  : string
Point reflection mirroring.
getPropScaling()  : string
Vertical and horizontal proportional Scaling.
getReflection()  : string
Reflection against a straight line through point (x, y) with the gradient angle (angle).
getRotation()  : string
Rotation.
getScaling()  : string
Vertical and horizontal non-proportional Scaling.
getSkewing()  : string
Skew.
getStartTransform()  : string
Starts a 2D transformation saving current graphic state.
getStopTransform()  : string
Stops a 2D tranformation restoring previous graphic state.
getStyle()  : string
Returns the PDF string of the last style added.
getStyleCmd()  : string
Returns the PDF string of the specified style.
getTransformation()  : string
Get the tranformation matrix (CTM) PDF string
getTransformIndex()  : int
Returns the transformation stack index.
getTransformStack()  : array<int, array<int, array<string|int, float>>>
Returns the transformation stack.
getTranslation()  : string
Translate graphic object horizontally and vertically.
getVertMirroring()  : string
Verical Mirroring.
getVertScaling()  : string
Vertical Scaling.
getVertSkewing()  : string
Skew vertically.
getVertTranslation()  : string
Translate graphic object vertically.
initStyle()  : void
Initialize default style
isClippingMode()  : bool
Returns true if the specified mode is of clippping type.
isClosingMode()  : bool
Returns true if the specified mode includes "closing the path" option.
isFillingMode()  : bool
Returns true if the specified path paint operator includes the filling option.
isStrokingMode()  : bool
Returns true if the specified mode includes the stroking option.
pop()  : string
Remove and return last style.
restoreStyleStatus()  : void
Restore the saved style status.
saveStyleStatus()  : void
Save the current style ID to be restored later.
setKUnit()  : static
Set unit of measure conversion ratio.
setPageHeight()  : static
Set page height
setPageWidth()  : static
Set page width

Constants

MPI

Pi constant We use this instead of M_PI because HHVM has a different value.

public float MPI = 3.141592653589793

Methods

__construct()

Initialize

public __construct(float $kunit, float $pagew, float $pageh, Pdf $pdfColor, Encrypt $encrypt[, bool $pdfa = false ][, bool $compress = true ]) : mixed
Parameters
$kunit : float

Unit of measure conversion ratio.

$pagew : float

Page width.

$pageh : float

Page height.

$pdfColor : Pdf

Color object.

$encrypt : Encrypt
$pdfa : bool = false

True if we are in PDF/A mode.

$compress : bool = true

Set to false to disable stream compression.

add()

Add a new style

public add([StyleDataOpt $style = [] ][, bool $inheritlast = false ]) : string
Parameters
$style : StyleDataOpt = []

Style to add.

$inheritlast : bool = false

If true inherit missing values from the last style.

Return values
string —

PDF style string

degToRad()

Converts the number in degrees to the radian equivalent.

public degToRad(float $deg) : float

We use this instead of $this->degToRad to avoid precision problems with hhvm.

Parameters
$deg : float

Angular value in degrees.

Return values
float —

Angle in radiants

getCtmProduct()

Get the product of two Tranformation Matrix.

public getCtmProduct(array<string|int, float> $tma, array<string|int, float> $tmb) : array<string|int, float>
Parameters
$tma : array<string|int, float>

First Tranformation Matrix.

$tmb : array<string|int, float>

Second Tranformation Matrix.

Return values
array<string|int, float> —

CTM Transformation Matrix.

getCurrentStyleArray()

Returns the last style array.

public getCurrentStyleArray() : StyleDataOpt
Return values
StyleDataOpt

getCurrentStyleItem()

Returns the value of th especified item from the last inserted style.

public getCurrentStyleItem(string $item) : mixed
Parameters
$item : string

Item to search.

getDefaultStyle()

Returns the default style.

public getDefaultStyle([StyleDataOpt $style = [] ]) : StyleData
Parameters
$style : StyleDataOpt = []

Style parameters to merge to the default ones.

Return values
StyleData

getExtGState()

Add transparency parameters to the current extgstate.

public getExtGState(array<string, mixed> $parms) : string
Parameters
$parms : array<string, mixed>

parameters.

Return values
string —

PDF command.

getHorizMirroring()

Horizontal Mirroring.

public getHorizMirroring(float $posx) : string
Parameters
$posx : float

Abscissa of the mirroring line.

Return values
string —

Transformation string

getHorizScaling()

Horizontal Scaling.

public getHorizScaling(float $skx, float $posx, float $posy) : string
Parameters
$skx : float

Horizontal scaling factor.

$posx : float

Abscissa of the scaling center.

$posy : float

Ordinate of the scaling center.

Return values
string —

Transformation string

getHorizSkewing()

Skew horizontally.

public getHorizSkewing(float $angx, float $posx, float $posy) : string
Parameters
$angx : float

Angle in degrees between -90 (skew to the left) and 90 (skew to the right)

$posx : float

Abscissa of the skewing center.

$posy : float

Ordinate of the skewing center.

Return values
string —

Transformation string

getHorizTranslation()

Translate graphic object horizontally.

public getHorizTranslation(float $trx) : string
Parameters
$trx : float

Movement to the right.

Return values
string —

Transformation string

getLastExtGStateID()

Returns the last extgstate ID to be used with XOBjects.

public getLastExtGStateID() : int|null
Return values
int|null

getLastStyleProperty()

Returns the last set value of the specified property.

public getLastStyleProperty(string $property[, mixed $default = null ]) : mixed
Parameters
$property : string

Property to search.

$default : mixed = null

Default value to return in case the property is not found.

Return values
mixed —

Property value or $default in case the property is not found.

getModeWithoutClose()

Remove the Close option from the specified Path paint operator.

public getModeWithoutClose(string $mode) : string
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
string

getModeWithoutFill()

Remove the Fill option from the specified Path paint operator.

public getModeWithoutFill(string $mode) : string
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
string

getModeWithoutStroke()

Remove the Stroke option from the specified Path paint operator.

public getModeWithoutStroke(string $mode) : string
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
string

getObjectNumber()

Returns current PDF object number

public getObjectNumber() : int
Return values
int

getOutExtGState()

Get the PDF output string for ExtGState

public getOutExtGState(int $pon) : string
Parameters
$pon : int

Current PDF Object Number

Return values
string —

PDF command

getOutExtGStateResources()

Get the PDF output string for ExtGState Resource Dictionary

public getOutExtGStateResources() : string
Return values
string —

PDF command

getOutExtGStateResourcesByKeys()

Get the PDF output string for ExtGState Resource Dictionary for XOBjects.

public getOutExtGStateResourcesByKeys(array<string|int, int> $keys) : string
Parameters
$keys : array<string|int, int>

Array of extgstates keys.

Return values
string —

PDF command

getOutGradientResources()

Get the PDF output string for Gradients Resource Dictionary

public getOutGradientResources() : string
Return values
string —

PDF command

getOutGradientResourcesByKeys()

Returns the PDF command to output gradient resources.

public getOutGradientResourcesByKeys(array<string|int, int> $keys) : string
Parameters
$keys : array<string|int, int>

Array of gradient keys.

Return values
string —

PDF command

getOutGradientShaders()

Get the PDF output string for gradient shaders

public getOutGradientShaders(int $pon) : string
Parameters
$pon : int

Current PDF Object Number

Return values
string —

PDF command

getPathPaintOp()

Get the Path-Painting Operators.

public getPathPaintOp(string $mode[, string $default = 'S' ]) : string
Parameters
$mode : string

Mode of rendering. Possible values are:

  • S or D: Stroke the path. - s or d: Close and stroke the path. - f or F: Fill the path, using the nonzero winding number rule to determine the region to fill. - f* or F*: Fill the path, using the even-odd rule to determine the region to fill. - B or FD or DF: Fill and then stroke the path, using the nonzero winding number rule to determine the region to fill. - B* or FD or DF: Fill and then stroke the path, using the even-odd rule to determine the region to fill. - b or fd or df: Close, fill, and then stroke the path, using the nonzero winding number rule to determine the region to fill. - b or fd or df: Close, fill, and then stroke the path, using the even-odd rule to determine the region to fill. - CNZ: Clipping mode using the even-odd rule to determine which regions lie inside the clipping path. - CEO: Clipping mode using the nonzero winding number rule to determine which regions lie inside the clipping path - n: End the path object without filling or stroking it.
$default : string = 'S'

Default style

Return values
string

getPointMirroring()

Point reflection mirroring.

public getPointMirroring(float $posx, float $posy) : string
Parameters
$posx : float

Abscissa of the mirroring point.

$posy : float

Ordinate of the mirroring point.

Return values
string —

Transformation string

getPropScaling()

Vertical and horizontal proportional Scaling.

public getPropScaling(float $skf, float $posx, float $posy) : string
Parameters
$skf : float

Scaling factor.

$posx : float

Abscissa of the scaling center.

$posy : float

Ordinate of the scaling center.

Return values
string —

Transformation string

getReflection()

Reflection against a straight line through point (x, y) with the gradient angle (angle).

public getReflection(float $ang, float $posx, float $posy) : string
Parameters
$ang : float

Gradient angle in degrees of the straight line.

$posx : float

Abscissa of the mirroring point.

$posy : float

Ordinate of the mirroring point.

Return values
string —

Transformation string

getRotation()

Rotation.

public getRotation(float $angle, float $posx, float $posy) : string
Parameters
$angle : float

Angle in degrees for counter-clockwise rotation.

$posx : float

Abscissa of the rotation center.

$posy : float

Ordinate of the rotation center.

Return values
string —

Transformation string

getScaling()

Vertical and horizontal non-proportional Scaling.

public getScaling(float $skx, float $sky, float $posx, float $posy) : string
Parameters
$skx : float

Horizontal scaling factor.

$sky : float

vertical scaling factor.

$posx : float

Abscissa of the scaling center.

$posy : float

Ordinate of the scaling center.

Return values
string —

Transformation string

getSkewing()

Skew.

public getSkewing(float $angx, float $angy, float $posx, float $posy) : string
Parameters
$angx : float

Angle in degrees between -90 (skew to the left) and 90 (skew to the right)

$angy : float

Angle in degrees between -90 (skew to the bottom) and 90 (skew to the top)

$posx : float

Abscissa of the skewing center.

$posy : float

Ordinate of the skewing center.

Return values
string —

Transformation string

getStartTransform()

Starts a 2D transformation saving current graphic state.

public getStartTransform() : string

This function must be called before calling transformation methods

Return values
string

getStopTransform()

Stops a 2D tranformation restoring previous graphic state.

public getStopTransform() : string

This function must be called after calling transformation methods.

Return values
string

getStyle()

Returns the PDF string of the last style added.

public getStyle() : string
Return values
string

getStyleCmd()

Returns the PDF string of the specified style.

public getStyleCmd([StyleDataOpt $style = [] ]) : string
Parameters
$style : StyleDataOpt = []

Style to represent.

Return values
string

getTransformation()

Get the tranformation matrix (CTM) PDF string

public getTransformation(array<string|int, float> $ctm) : string
Parameters
$ctm : array<string|int, float>

Transformation matrix array.

Return values
string

getTransformIndex()

Returns the transformation stack index.

public getTransformIndex() : int
Return values
int

getTransformStack()

Returns the transformation stack.

public getTransformStack() : array<int, array<int, array<string|int, float>>>
Return values
array<int, array<int, array<string|int, float>>>

getTranslation()

Translate graphic object horizontally and vertically.

public getTranslation(float $trx, float $try) : string
Parameters
$trx : float

Movement to the right.

$try : float

Movement to the bottom.

Return values
string —

Transformation string

getVertMirroring()

Verical Mirroring.

public getVertMirroring(float $posy) : string
Parameters
$posy : float

Ordinate of the mirroring line.

Return values
string —

Transformation string

getVertScaling()

Vertical Scaling.

public getVertScaling(float $sky, float $posx, float $posy) : string
Parameters
$sky : float

vertical scaling factor.

$posx : float

Abscissa of the scaling center.

$posy : float

Ordinate of the scaling center.

Return values
string —

Transformation string

getVertSkewing()

Skew vertically.

public getVertSkewing(float $angy, float $posx, float $posy) : string
Parameters
$angy : float

Angle in degrees between -90 (skew to the bottom) and 90 (skew to the top)

$posx : float

Abscissa of the skewing center.

$posy : float

Ordinate of the skewing center.

Return values
string —

Transformation string

getVertTranslation()

Translate graphic object vertically.

public getVertTranslation(float $try) : string
Parameters
$try : float

Movement to the bottom.

Return values
string —

Transformation string

initStyle()

Initialize default style

public initStyle() : void

isClippingMode()

Returns true if the specified mode is of clippping type.

public isClippingMode(string $mode) : bool
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
bool

isClosingMode()

Returns true if the specified mode includes "closing the path" option.

public isClosingMode(string $mode) : bool
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
bool

isFillingMode()

Returns true if the specified path paint operator includes the filling option.

public isFillingMode(string $mode) : bool
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
bool

isStrokingMode()

Returns true if the specified mode includes the stroking option.

public isStrokingMode(string $mode) : bool
Parameters
$mode : string

Path paint operator (mode of rendering).

Return values
bool

pop()

Remove and return last style.

public pop() : string
Return values
string —

PDF style string.

restoreStyleStatus()

Restore the saved style status.

public restoreStyleStatus() : void

saveStyleStatus()

Save the current style ID to be restored later.

public saveStyleStatus() : void

setKUnit()

Set unit of measure conversion ratio.

public setKUnit(float $kunit) : static
Parameters
$kunit : float

Unit of measure conversion ratio.

Return values
static

setPageHeight()

Set page height

public setPageHeight(float $pageh) : static
Parameters
$pageh : float

Page height

Return values
static

setPageWidth()

Set page width

public setPageWidth(float $pagew) : static
Parameters
$pagew : float

Page width

Return values
static










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