Файл: library/Zend/Pdf/Canvas/Abstract.php
Строк: 1626
<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Style.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
require_once 'Zend/Pdf/Canvas/Interface.php';
/** Internally used classes */
require_once 'Zend/Pdf/Element.php';
require_once 'Zend/Pdf/Element/Array.php';
require_once 'Zend/Pdf/Element/String/Binary.php';
require_once 'Zend/Pdf/Element/Boolean.php';
require_once 'Zend/Pdf/Element/Dictionary.php';
require_once 'Zend/Pdf/Element/Name.php';
require_once 'Zend/Pdf/Element/Null.php';
require_once 'Zend/Pdf/Element/Numeric.php';
require_once 'Zend/Pdf/Element/String.php';
/**
* Canvas is an abstract rectangle drawing area which can be dropped into
* page object at specified place.
*
* @package Zend_Pdf
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Pdf_Canvas_Abstract implements Zend_Pdf_Canvas_Interface
{
/**
* Drawing instructions
*
* @var string
*/
protected $_contents = '';
/**
* Current font
*
* @var Zend_Pdf_Resource_Font
*/
protected $_font = null;
/**
* Current font size
*
* @var float
*/
protected $_fontSize;
/**
* Current style
*
* @var Zend_Pdf_Style
*/
protected $_style = null;
/**
* Counter for the "Save" operations
*
* @var integer
*/
protected $_saveCount = 0;
/**
* Add procedureSet to the Page description
*
* @param string $procSetName
*/
abstract protected function _addProcSet($procSetName);
/**
* Attach resource to the canvas
*
* Method returns a name of the resource which can be used
* as a resource reference within drawing instructions stream
* Allowed types: 'ExtGState', 'ColorSpace', 'Pattern', 'Shading',
* 'XObject', 'Font', 'Properties'
*
* @param string $type
* @param Zend_Pdf_Resource $resource
* @return string
*/
abstract protected function _attachResource($type, Zend_Pdf_Resource $resource);
/**
* Draw a canvas at the specified location
*
* If upper right corner is not specified then canvas heght and width
* are used.
*
* @param Zend_Pdf_Canvas_Interface $canvas
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @return Zend_Pdf_Canvas_Interface
*/
public function drawCanvas(Zend_Pdf_Canvas_Interface $canvas, $x1, $y1, $x2 = null, $y2 = null)
{
$this->saveGS();
$this->translate($x1, $y1);
if ($x2 === null) {
$with = $canvas->getWidth();
} else {
$with = $x2 - $x1;
}
if ($y2 === null) {
$height = $canvas->getHeight();
} else {
$height = $y2 - $y1;
}
$this->clipRectangle(0, 0, $with, $height);
if ($x2 !== null || $y2 !== null) {
// Drawn canvas has to be scaled.
if ($x2 !== null) {
$xScale = $with/$canvas->getWidth();
} else {
$xScale = 1;
}
if ($y2 !== null) {
$yScale = $height/$canvas->getHeight();
} else {
$yScale = 1;
}
$this->scale($xScale, $yScale);
}
$contentsToDraw = $canvas->getContents();
/** @todo implementation */
$this->restoreGS();
return $this;
}
/**
* Set fill color.
*
* @param Zend_Pdf_Color $color
* @return Zend_Pdf_Canvas_Interface
*/
public function setFillColor(Zend_Pdf_Color $color)
{
$this->_addProcSet('PDF');
$this->_contents .= $color->instructions(false);
return $this;
}
/**
* Set line color.
*
* @param Zend_Pdf_Color $color
* @return Zend_Pdf_Canvas_Interface
*/
public function setLineColor(Zend_Pdf_Color $color)
{
$this->_addProcSet('PDF');
$this->_contents .= $color->instructions(true);
return $this;
}
/**
* Set line width.
*
* @param float $width
* @return Zend_Pdf_Canvas_Interface
*/
public function setLineWidth($width)
{
$this->_addProcSet('PDF');
$widthObj = new Zend_Pdf_Element_Numeric($width);
$this->_contents .= $widthObj->toString() . " wn";
return $this;
}
/**
* Set line dashing pattern
*
* Pattern is an array of floats: array(on_length, off_length, on_length, off_length, ...)
* or Zend_Pdf_Page::LINE_DASHING_SOLID constant
* Phase is shift from the beginning of line.
*
* @param mixed $pattern
* @param array $phase
* @return Zend_Pdf_Canvas_Interface
*/
public function setLineDashingPattern($pattern, $phase = 0)
{
$this->_addProcSet('PDF');
require_once 'Zend/Pdf/Page.php';
if ($pattern === Zend_Pdf_Page::LINE_DASHING_SOLID) {
$pattern = array();
$phase = 0;
}
$dashPattern = new Zend_Pdf_Element_Array();
$phaseEleemnt = new Zend_Pdf_Element_Numeric($phase);
foreach ($pattern as $dashItem) {
$dashElement = new Zend_Pdf_Element_Numeric($dashItem);
$dashPattern->items[] = $dashElement;
}
$this->_contents .= $dashPattern->toString() . ' '
. $phaseEleemnt->toString() . " dn";
return $this;
}
/**
* Set current font.
*
* @param Zend_Pdf_Resource_Font $font
* @param float $fontSize
* @return Zend_Pdf_Canvas_Interface
*/
public function setFont(Zend_Pdf_Resource_Font $font, $fontSize)
{
$this->_addProcSet('Text');
$fontName = $this->_attachResource('Font', $font);
$this->_font = $font;
$this->_fontSize = $fontSize;
$fontNameObj = new Zend_Pdf_Element_Name($fontName);
$fontSizeObj = new Zend_Pdf_Element_Numeric($fontSize);
$this->_contents .= $fontNameObj->toString() . ' ' . $fontSizeObj->toString() . " Tfn";
return $this;
}
/**
* Set the style to use for future drawing operations on this page
*
* @param Zend_Pdf_Style $style
* @return Zend_Pdf_Canvas_Interface
*/
public function setStyle(Zend_Pdf_Style $style)
{
$this->_addProcSet('Text');
$this->_addProcSet('PDF');
if ($style->getFont() !== null) {
$this->setFont($style->getFont(), $style->getFontSize());
}
$this->_contents .= $style->instructions($this->_dictionary->Resources);
$this->_style = $style;
return $this;
}
/**
* Get current font.
*
* @return Zend_Pdf_Resource_Font $font
*/
public function getFont()
{
return $this->_font;
}
/**
* Get current font size
*
* @return float $fontSize
*/
public function getFontSize()
{
return $this->_fontSize;
}
/**
* Return the style, applied to the page.
*
* @return Zend_Pdf_Style
*/
public function getStyle()
{
return $this->_style;
}
/**
* Save the graphics state of this page.
* This takes a snapshot of the currently applied style, position, clipping area and
* any rotation/translation/scaling that has been applied.
*
* @todo check for the open paths
* @throws Zend_Pdf_Exception - if a save is performed with an open path
* @return Zend_Pdf_Canvas_Interface
*/
public function saveGS()
{
$this->_saveCount++;
$this->_addProcSet('PDF');
$this->_contents .= " qn";
return $this;
}
/**
* Restore the graphics state that was saved with the last call to saveGS().
*
* @throws Zend_Pdf_Exception - if there is no previously saved state
* @return Zend_Pdf_Canvas_Interface
*/
public function restoreGS()
{
if ($this->_saveCount-- <= 0) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Restoring graphics state which is not saved');
}
$this->_contents .= " Qn";
return $this;
}
/**
* Set the transparancy
*
* $alpha == 0 - transparent
* $alpha == 1 - opaque
*
* Transparency modes, supported by PDF:
* Normal (default), Multiply, Screen, Overlay, Darken, Lighten, ColorDodge, ColorBurn, HardLight,
* SoftLight, Difference, Exclusion
*
* @param float $alpha
* @param string $mode
* @return Zend_Pdf_Canvas_Interface
*/
public function setAlpha($alpha, $mode = 'Normal')
{
$this->_addProcSet('Text');
$this->_addProcSet('PDF');
$graphicsState = new Zend_Pdf_Resource_GraphicsState();
$graphicsState->setAlpha($alpha, $mode);
$gStateName = $this->_attachResource('ExtGState', $graphicsState);
$gStateNameObject = new Zend_Pdf_Element_Name($gStateName);
$this->_contents .= $gStateNameObject->toString() . " gsn";
return $this;
}
/**
* Intersect current clipping area with a circle.
*
* @param float $x
* @param float $y
* @param float $radius
* @param float $startAngle
* @param float $endAngle
* @return Zend_Pdf_Canvas_Interface
*/
public function clipCircle($x, $y, $radius, $startAngle = null, $endAngle = null)
{
$this->clipEllipse($x - $radius, $y - $radius,
$x + $radius, $y + $radius,
$startAngle, $endAngle);
return $this;
}
/**
* Intersect current clipping area with a polygon.
*
* Method signatures:
* drawEllipse($x1, $y1, $x2, $y2);
* drawEllipse($x1, $y1, $x2, $y2, $startAngle, $endAngle);
*
* @todo process special cases with $x2-$x1 == 0 or $y2-$y1 == 0
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @param float $startAngle
* @param float $endAngle
* @return Zend_Pdf_Canvas_Interface
*/
public function clipEllipse($x1, $y1, $x2, $y2, $startAngle = null, $endAngle = null)
{
$this->_addProcSet('PDF');
if ($x2 < $x1) {
$temp = $x1;
$x1 = $x2;
$x2 = $temp;
}
if ($y2 < $y1) {
$temp = $y1;
$y1 = $y2;
$y2 = $temp;
}
$x = ($x1 + $x2)/2.;
$y = ($y1 + $y2)/2.;
$xC = new Zend_Pdf_Element_Numeric($x);
$yC = new Zend_Pdf_Element_Numeric($y);
if ($startAngle !== null) {
if ($startAngle != 0) { $startAngle = fmod($startAngle, M_PI*2); }
if ($endAngle != 0) { $endAngle = fmod($endAngle, M_PI*2); }
if ($startAngle > $endAngle) {
$endAngle += M_PI*2;
}
$clipPath = $xC->toString() . ' ' . $yC->toString() . " mn";
$clipSectors = (int)ceil(($endAngle - $startAngle)/M_PI_4);
$clipRadius = max($x2 - $x1, $y2 - $y1);
for($count = 0; $count <= $clipSectors; $count++) {
$pAngle = $startAngle + ($endAngle - $startAngle)*$count/(float)$clipSectors;
$pX = new Zend_Pdf_Element_Numeric($x + cos($pAngle)*$clipRadius);
$pY = new Zend_Pdf_Element_Numeric($y + sin($pAngle)*$clipRadius);
$clipPath .= $pX->toString() . ' ' . $pY->toString() . " ln";
}
$this->_contents .= $clipPath . "hnWnnn";
}
$xLeft = new Zend_Pdf_Element_Numeric($x1);
$xRight = new Zend_Pdf_Element_Numeric($x2);
$yUp = new Zend_Pdf_Element_Numeric($y2);
$yDown = new Zend_Pdf_Element_Numeric($y1);
$xDelta = 2*(M_SQRT2 - 1)*($x2 - $x1)/3.;
$yDelta = 2*(M_SQRT2 - 1)*($y2 - $y1)/3.;
$xr = new Zend_Pdf_Element_Numeric($x + $xDelta);
$xl = new Zend_Pdf_Element_Numeric($x - $xDelta);
$yu = new Zend_Pdf_Element_Numeric($y + $yDelta);
$yd = new Zend_Pdf_Element_Numeric($y - $yDelta);
$this->_contents .= $xC->toString() . ' ' . $yUp->toString() . " mn"
. $xr->toString() . ' ' . $yUp->toString() . ' '
. $xRight->toString() . ' ' . $yu->toString() . ' '
. $xRight->toString() . ' ' . $yC->toString() . " cn"
. $xRight->toString() . ' ' . $yd->toString() . ' '
. $xr->toString() . ' ' . $yDown->toString() . ' '
. $xC->toString() . ' ' . $yDown->toString() . " cn"
. $xl->toString() . ' ' . $yDown->toString() . ' '
. $xLeft->toString() . ' ' . $yd->toString() . ' '
. $xLeft->toString() . ' ' . $yC->toString() . " cn"
. $xLeft->toString() . ' ' . $yu->toString() . ' '
. $xl->toString() . ' ' . $yUp->toString() . ' '
. $xC->toString() . ' ' . $yUp->toString() . " cn"
. "hnWnnn";
return $this;
}
/**
* Intersect current clipping area with a polygon.
*
* @param array $x - array of float (the X co-ordinates of the vertices)
* @param array $y - array of float (the Y co-ordinates of the vertices)
* @param integer $fillMethod
* @return Zend_Pdf_Canvas_Interface
*/
public function clipPolygon($x, $y, $fillMethod = Zend_Pdf_Page::FILL_METHOD_NON_ZERO_WINDING)
{
$this->_addProcSet('PDF');
$firstPoint = true;
foreach ($x as $id => $xVal) {
$xObj = new Zend_Pdf_Element_Numeric($xVal);
$yObj = new Zend_Pdf_Element_Numeric($y[$id]);
if ($firstPoint) {
$path = $xObj->toString() . ' ' . $yObj->toString() . " mn";
$firstPoint = false;
} else {
$path .= $xObj->toString() . ' ' . $yObj->toString() . " ln";
}
}
$this->_contents .= $path;
if ($fillMethod == Zend_Pdf_Page::FILL_METHOD_NON_ZERO_WINDING) {
$this->_contents .= " hn Wnnn";
} else {
// Even-Odd fill method.
$this->_contents .= " hn W*nnn";
}
return $this;
}
/**
* Intersect current clipping area with a rectangle.
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @return Zend_Pdf_Canvas_Interface
*/
public function clipRectangle($x1, $y1, $x2, $y2)
{
$this->_addProcSet('PDF');
$x1Obj = new Zend_Pdf_Element_Numeric($x1);
$y1Obj = new Zend_Pdf_Element_Numeric($y1);
$widthObj = new Zend_Pdf_Element_Numeric($x2 - $x1);
$height2Obj = new Zend_Pdf_Element_Numeric($y2 - $y1);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' '
. $widthObj->toString() . ' ' . $height2Obj->toString() . " ren"
. " Wnnn";
return $this;
}
// ------------------------------------------------------------------------------------------
/**
* Draw a circle centered on x, y with a radius of radius.
*
* Method signatures:
* drawCircle($x, $y, $radius);
* drawCircle($x, $y, $radius, $fillType);
* drawCircle($x, $y, $radius, $startAngle, $endAngle);
* drawCircle($x, $y, $radius, $startAngle, $endAngle, $fillType);
*
*
* It's not a really circle, because PDF supports only cubic Bezier curves.
* But _very_ good approximation.
* It differs from a real circle on a maximum 0.00026 radiuses
* (at PI/8, 3*PI/8, 5*PI/8, 7*PI/8, 9*PI/8, 11*PI/8, 13*PI/8 and 15*PI/8 angles).
* At 0, PI/4, PI/2, 3*PI/4, PI, 5*PI/4, 3*PI/2 and 7*PI/4 it's exactly a tangent to a circle.
*
* @param float $x
* @param float $y
* @param float $radius
* @param mixed $param4
* @param mixed $param5
* @param mixed $param6
* @return Zend_Pdf_Canvas_Interface
*/
public function drawCircle($x, $y, $radius, $param4 = null, $param5 = null, $param6 = null)
{
$this->drawEllipse($x - $radius, $y - $radius,
$x + $radius, $y + $radius,
$param4, $param5, $param6);
return $this;
}
/**
* Draw an ellipse inside the specified rectangle.
*
* Method signatures:
* drawEllipse($x1, $y1, $x2, $y2);
* drawEllipse($x1, $y1, $x2, $y2, $fillType);
* drawEllipse($x1, $y1, $x2, $y2, $startAngle, $endAngle);
* drawEllipse($x1, $y1, $x2, $y2, $startAngle, $endAngle, $fillType);
*
* @todo process special cases with $x2-$x1 == 0 or $y2-$y1 == 0
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @param mixed $param5
* @param mixed $param6
* @param mixed $param7
* @return Zend_Pdf_Canvas_Interface
*/
public function drawEllipse($x1, $y1, $x2, $y2, $param5 = null, $param6 = null, $param7 = null)
{
if ($param5 === null) {
// drawEllipse($x1, $y1, $x2, $y2);
$startAngle = null;
$fillType = Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE;
} else if ($param6 === null) {
// drawEllipse($x1, $y1, $x2, $y2, $fillType);
$startAngle = null;
$fillType = $param5;
} else {
// drawEllipse($x1, $y1, $x2, $y2, $startAngle, $endAngle);
// drawEllipse($x1, $y1, $x2, $y2, $startAngle, $endAngle, $fillType);
$startAngle = $param5;
$endAngle = $param6;
if ($param7 === null) {
$fillType = Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE;
} else {
$fillType = $param7;
}
}
$this->_addProcSet('PDF');
if ($x2 < $x1) {
$temp = $x1;
$x1 = $x2;
$x2 = $temp;
}
if ($y2 < $y1) {
$temp = $y1;
$y1 = $y2;
$y2 = $temp;
}
$x = ($x1 + $x2)/2.;
$y = ($y1 + $y2)/2.;
$xC = new Zend_Pdf_Element_Numeric($x);
$yC = new Zend_Pdf_Element_Numeric($y);
if ($startAngle !== null) {
if ($startAngle != 0) { $startAngle = fmod($startAngle, M_PI*2); }
if ($endAngle != 0) { $endAngle = fmod($endAngle, M_PI*2); }
if ($startAngle > $endAngle) {
$endAngle += M_PI*2;
}
$clipPath = $xC->toString() . ' ' . $yC->toString() . " mn";
$clipSectors = (int)ceil(($endAngle - $startAngle)/M_PI_4);
$clipRadius = max($x2 - $x1, $y2 - $y1);
for($count = 0; $count <= $clipSectors; $count++) {
$pAngle = $startAngle + ($endAngle - $startAngle)*$count/(float)$clipSectors;
$pX = new Zend_Pdf_Element_Numeric($x + cos($pAngle)*$clipRadius);
$pY = new Zend_Pdf_Element_Numeric($y + sin($pAngle)*$clipRadius);
$clipPath .= $pX->toString() . ' ' . $pY->toString() . " ln";
}
$this->_contents .= "qn" . $clipPath . "hnWnnn";
}
$xLeft = new Zend_Pdf_Element_Numeric($x1);
$xRight = new Zend_Pdf_Element_Numeric($x2);
$yUp = new Zend_Pdf_Element_Numeric($y2);
$yDown = new Zend_Pdf_Element_Numeric($y1);
$xDelta = 2*(M_SQRT2 - 1)*($x2 - $x1)/3.;
$yDelta = 2*(M_SQRT2 - 1)*($y2 - $y1)/3.;
$xr = new Zend_Pdf_Element_Numeric($x + $xDelta);
$xl = new Zend_Pdf_Element_Numeric($x - $xDelta);
$yu = new Zend_Pdf_Element_Numeric($y + $yDelta);
$yd = new Zend_Pdf_Element_Numeric($y - $yDelta);
$this->_contents .= $xC->toString() . ' ' . $yUp->toString() . " mn"
. $xr->toString() . ' ' . $yUp->toString() . ' '
. $xRight->toString() . ' ' . $yu->toString() . ' '
. $xRight->toString() . ' ' . $yC->toString() . " cn"
. $xRight->toString() . ' ' . $yd->toString() . ' '
. $xr->toString() . ' ' . $yDown->toString() . ' '
. $xC->toString() . ' ' . $yDown->toString() . " cn"
. $xl->toString() . ' ' . $yDown->toString() . ' '
. $xLeft->toString() . ' ' . $yd->toString() . ' '
. $xLeft->toString() . ' ' . $yC->toString() . " cn"
. $xLeft->toString() . ' ' . $yu->toString() . ' '
. $xl->toString() . ' ' . $yUp->toString() . ' '
. $xC->toString() . ' ' . $yUp->toString() . " cn";
switch ($fillType) {
case Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE:
$this->_contents .= " B*n";
break;
case Zend_Pdf_Page::SHAPE_DRAW_FILL:
$this->_contents .= " f*n";
break;
case Zend_Pdf_Page::SHAPE_DRAW_STROKE:
$this->_contents .= " Sn";
break;
}
if ($startAngle !== null) {
$this->_contents .= "Qn";
}
return $this;
}
/**
* Draw an image at the specified position on the page.
*
* @param Zend_Pdf_Image $image
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @return Zend_Pdf_Canvas_Interface
*/
public function drawImage(Zend_Pdf_Resource_Image $image, $x1, $y1, $x2, $y2)
{
$this->_addProcSet('PDF');
$imageName = $this->_attachResource('XObject', $image);
$imageNameObj = new Zend_Pdf_Element_Name($imageName);
$x1Obj = new Zend_Pdf_Element_Numeric($x1);
$y1Obj = new Zend_Pdf_Element_Numeric($y1);
$widthObj = new Zend_Pdf_Element_Numeric($x2 - $x1);
$heightObj = new Zend_Pdf_Element_Numeric($y2 - $y1);
$this->_contents .= "qn"
. '1 0 0 1 ' . $x1Obj->toString() . ' ' . $y1Obj->toString() . " cmn"
. $widthObj->toString() . ' 0 0 ' . $heightObj->toString() . " 0 0 cmn"
. $imageNameObj->toString() . " Don"
. "Qn";
return $this;
}
/**
* Draw a LayoutBox at the specified position on the page.
*
* @internal (not implemented now)
*
* @param Zend_Pdf_Element_LayoutBox $box
* @param float $x
* @param float $y
* @return Zend_Pdf_Canvas_Interface
*/
public function drawLayoutBox($box, $x, $y)
{
/** @todo implementation */
return $this;
}
/**
* Draw a line from x1,y1 to x2,y2.
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @return Zend_Pdf_Canvas_Interface
*/
public function drawLine($x1, $y1, $x2, $y2)
{
$this->_addProcSet('PDF');
$x1Obj = new Zend_Pdf_Element_Numeric($x1);
$y1Obj = new Zend_Pdf_Element_Numeric($y1);
$x2Obj = new Zend_Pdf_Element_Numeric($x2);
$y2Obj = new Zend_Pdf_Element_Numeric($y2);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " mn"
. $x2Obj->toString() . ' ' . $y2Obj->toString() . " ln Sn";
return $this;
}
/**
* Draw a polygon.
*
* If $fillType is Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE or
* Zend_Pdf_Page::SHAPE_DRAW_FILL, then polygon is automatically closed.
* See detailed description of these methods in a PDF documentation
* (section 4.4.2 Path painting Operators, Filling)
*
* @param array $x - array of float (the X co-ordinates of the vertices)
* @param array $y - array of float (the Y co-ordinates of the vertices)
* @param integer $fillType
* @param integer $fillMethod
* @return Zend_Pdf_Canvas_Interface
*/
public function drawPolygon($x, $y,
$fillType = Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE,
$fillMethod = Zend_Pdf_Page::FILL_METHOD_NON_ZERO_WINDING)
{
$this->_addProcSet('PDF');
$firstPoint = true;
foreach ($x as $id => $xVal) {
$xObj = new Zend_Pdf_Element_Numeric($xVal);
$yObj = new Zend_Pdf_Element_Numeric($y[$id]);
if ($firstPoint) {
$path = $xObj->toString() . ' ' . $yObj->toString() . " mn";
$firstPoint = false;
} else {
$path .= $xObj->toString() . ' ' . $yObj->toString() . " ln";
}
}
$this->_contents .= $path;
switch ($fillType) {
case Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE:
if ($fillMethod == Zend_Pdf_Page::FILL_METHOD_NON_ZERO_WINDING) {
$this->_contents .= " bn";
} else {
// Even-Odd fill method.
$this->_contents .= " b*n";
}
break;
case Zend_Pdf_Page::SHAPE_DRAW_FILL:
if ($fillMethod == Zend_Pdf_Page::FILL_METHOD_NON_ZERO_WINDING) {
$this->_contents .= " hn fn";
} else {
// Even-Odd fill method.
$this->_contents .= " hn f*n";
}
break;
case Zend_Pdf_Page::SHAPE_DRAW_STROKE:
$this->_contents .= " Sn";
break;
}
return $this;
}
/**
* Draw a rectangle.
*
* Fill types:
* Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE - fill rectangle and stroke (default)
* Zend_Pdf_Page::SHAPE_DRAW_STROKE - stroke rectangle
* Zend_Pdf_Page::SHAPE_DRAW_FILL - fill rectangle
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @param integer $fillType
* @return Zend_Pdf_Canvas_Interface
*/
public function drawRectangle($x1, $y1, $x2, $y2, $fillType = Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE)
{
$this->_addProcSet('PDF');
$x1Obj = new Zend_Pdf_Element_Numeric($x1);
$y1Obj = new Zend_Pdf_Element_Numeric($y1);
$widthObj = new Zend_Pdf_Element_Numeric($x2 - $x1);
$height2Obj = new Zend_Pdf_Element_Numeric($y2 - $y1);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' '
. $widthObj->toString() . ' ' . $height2Obj->toString() . " ren";
switch ($fillType) {
case Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE:
$this->_contents .= " B*n";
break;
case Zend_Pdf_Page::SHAPE_DRAW_FILL:
$this->_contents .= " f*n";
break;
case Zend_Pdf_Page::SHAPE_DRAW_STROKE:
$this->_contents .= " Sn";
break;
}
return $this;
}
/**
* Draw a rounded rectangle.
*
* Fill types:
* Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE - fill rectangle and stroke (default)
* Zend_Pdf_Page::SHAPE_DRAW_STROKE - stroke rectangle
* Zend_Pdf_Page::SHAPE_DRAW_FILL - fill rectangle
*
* radius is an integer representing radius of the four corners, or an array
* of four integers representing the radius starting at top left, going
* clockwise
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @param integer|array $radius
* @param integer $fillType
* @return Zend_Pdf_Canvas_Interface
*/
public function drawRoundedRectangle($x1, $y1, $x2, $y2, $radius,
$fillType = Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE)
{
$this->_addProcSet('PDF');
if(!is_array($radius)) {
$radius = array($radius, $radius, $radius, $radius);
} else {
for ($i = 0; $i < 4; $i++) {
if(!isset($radius[$i])) {
$radius[$i] = 0;
}
}
}
$topLeftX = $x1;
$topLeftY = $y2;
$topRightX = $x2;
$topRightY = $y2;
$bottomRightX = $x2;
$bottomRightY = $y1;
$bottomLeftX = $x1;
$bottomLeftY = $y1;
//draw top side
$x1Obj = new Zend_Pdf_Element_Numeric($topLeftX + $radius[0]);
$y1Obj = new Zend_Pdf_Element_Numeric($topLeftY);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " mn";
$x1Obj = new Zend_Pdf_Element_Numeric($topRightX - $radius[1]);
$y1Obj = new Zend_Pdf_Element_Numeric($topRightY);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " ln";
//draw top right corner if needed
if ($radius[1] != 0) {
$x1Obj = new Zend_Pdf_Element_Numeric($topRightX);
$y1Obj = new Zend_Pdf_Element_Numeric($topRightY);
$x2Obj = new Zend_Pdf_Element_Numeric($topRightX);
$y2Obj = new Zend_Pdf_Element_Numeric($topRightY);
$x3Obj = new Zend_Pdf_Element_Numeric($topRightX);
$y3Obj = new Zend_Pdf_Element_Numeric($topRightY - $radius[1]);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' '
. $x2Obj->toString() . ' ' . $y2Obj->toString() . ' '
. $x3Obj->toString() . ' ' . $y3Obj->toString() . ' '
. " cn";
}
//draw right side
$x1Obj = new Zend_Pdf_Element_Numeric($bottomRightX);
$y1Obj = new Zend_Pdf_Element_Numeric($bottomRightY + $radius[2]);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " ln";
//draw bottom right corner if needed
if ($radius[2] != 0) {
$x1Obj = new Zend_Pdf_Element_Numeric($bottomRightX);
$y1Obj = new Zend_Pdf_Element_Numeric($bottomRightY);
$x2Obj = new Zend_Pdf_Element_Numeric($bottomRightX);
$y2Obj = new Zend_Pdf_Element_Numeric($bottomRightY);
$x3Obj = new Zend_Pdf_Element_Numeric($bottomRightX - $radius[2]);
$y3Obj = new Zend_Pdf_Element_Numeric($bottomRightY);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' '
. $x2Obj->toString() . ' ' . $y2Obj->toString() . ' '
. $x3Obj->toString() . ' ' . $y3Obj->toString() . ' '
. " cn";
}
//draw bottom side
$x1Obj = new Zend_Pdf_Element_Numeric($bottomLeftX + $radius[3]);
$y1Obj = new Zend_Pdf_Element_Numeric($bottomLeftY);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " ln";
//draw bottom left corner if needed
if ($radius[3] != 0) {
$x1Obj = new Zend_Pdf_Element_Numeric($bottomLeftX);
$y1Obj = new Zend_Pdf_Element_Numeric($bottomLeftY);
$x2Obj = new Zend_Pdf_Element_Numeric($bottomLeftX);
$y2Obj = new Zend_Pdf_Element_Numeric($bottomLeftY);
$x3Obj = new Zend_Pdf_Element_Numeric($bottomLeftX);
$y3Obj = new Zend_Pdf_Element_Numeric($bottomLeftY + $radius[3]);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' '
. $x2Obj->toString() . ' ' . $y2Obj->toString() . ' '
. $x3Obj->toString() . ' ' . $y3Obj->toString() . ' '
. " cn";
}
//draw left side
$x1Obj = new Zend_Pdf_Element_Numeric($topLeftX);
$y1Obj = new Zend_Pdf_Element_Numeric($topLeftY - $radius[0]);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " ln";
//draw top left corner if needed
if ($radius[0] != 0) {
$x1Obj = new Zend_Pdf_Element_Numeric($topLeftX);
$y1Obj = new Zend_Pdf_Element_Numeric($topLeftY);
$x2Obj = new Zend_Pdf_Element_Numeric($topLeftX);
$y2Obj = new Zend_Pdf_Element_Numeric($topLeftY);
$x3Obj = new Zend_Pdf_Element_Numeric($topLeftX + $radius[0]);
$y3Obj = new Zend_Pdf_Element_Numeric($topLeftY);
$this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' '
. $x2Obj->toString() . ' ' . $y2Obj->toString() . ' '
. $x3Obj->toString() . ' ' . $y3Obj->toString() . ' '
. " cn";
}
switch ($fillType) {
case Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE:
$this->_contents .= " B*n";
break;
case Zend_Pdf_Page::SHAPE_DRAW_FILL:
$this->_contents .= " f*n";
break;
case Zend_Pdf_Page::SHAPE_DRAW_STROKE:
$this->_contents .= " Sn";
break;
}
return $this;
}
/**
* Draw a line of text at the specified position.
*
* @param string $text
* @param float $x
* @param float $y
* @param string $charEncoding (optional) Character encoding of source text.
* Defaults to current locale.
* @throws Zend_Pdf_Exception
* @return Zend_Pdf_Canvas_Interface
*/
public function drawText($text, $x, $y, $charEncoding = '')
{
if ($this->_font === null) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Font has not been set');
}
$this->_addProcSet('Text');
$textObj = new Zend_Pdf_Element_String($this->_font->encodeString($text, $charEncoding));
$xObj = new Zend_Pdf_Element_Numeric($x);
$yObj = new Zend_Pdf_Element_Numeric($y);
$this->_contents .= "BTn"
. $xObj->toString() . ' ' . $yObj->toString() . " Tdn"
. $textObj->toString() . " Tjn"
. "ETn";
return $this;
}
/**
* Close the path by drawing a straight line back to it's beginning.
*
* @internal (needs implementation)
*
* @throws Zend_Pdf_Exception - if a path hasn't been started with pathMove()
* @return Zend_Pdf_Canvas_Interface
*/
public function pathClose()
{
/** @todo implementation */
return $this;
}
/**
* Continue the open path in a straight line to the specified position.
*
* @internal (needs implementation)
*
* @param float $x - the X co-ordinate to move to
* @param float $y - the Y co-ordinate to move to
* @return Zend_Pdf_Canvas_Interface
*/
public function pathLine($x, $y)
{
/** @todo implementation */
return $this;
}
/**
* Start a new path at the specified position. If a path has already been started,
* move the cursor without drawing a line.
*
* @internal (needs implementation)
*
* @param float $x - the X co-ordinate to move to
* @param float $y - the Y co-ordinate to move to
* @return Zend_Pdf_Canvas_Interface
*/
public function pathMove($x, $y)
{
/** @todo implementation */
return $this;
}
/**
* Rotate the page.
*
* @param float $x - the X co-ordinate of rotation point
* @param float $y - the Y co-ordinate of rotation point
* @param float $angle - rotation angle
* @return Zend_Pdf_Canvas_Interface
*/
public function rotate($x, $y, $angle)
{
$cos = new Zend_Pdf_Element_Numeric(cos($angle));
$sin = new Zend_Pdf_Element_Numeric(sin($angle));
$mSin = new Zend_Pdf_Element_Numeric(-$sin->value);
$xObj = new Zend_Pdf_Element_Numeric($x);
$yObj = new Zend_Pdf_Element_Numeric($y);
$mXObj = new Zend_Pdf_Element_Numeric(-$x);
$mYObj = new Zend_Pdf_Element_Numeric(-$y);
$this->_addProcSet('PDF');
$this->_contents .= '1 0 0 1 ' . $xObj->toString() . ' ' . $yObj->toString() . " cmn"
. $cos->toString() . ' ' . $sin->toString() . ' ' . $mSin->toString() . ' ' . $cos->toString() . " 0 0 cmn"
. '1 0 0 1 ' . $mXObj->toString() . ' ' . $mYObj->toString() . " cmn";
return $this;
}
/**
* Scale coordination system.
*
* @param float $xScale - X dimention scale factor
* @param float $yScale - Y dimention scale factor
* @return Zend_Pdf_Canvas_Interface
*/
public function scale($xScale, $yScale)
{
$xScaleObj = new Zend_Pdf_Element_Numeric($xScale);
$yScaleObj = new Zend_Pdf_Element_Numeric($yScale);
$this->_addProcSet('PDF');
$this->_contents .= $xScaleObj->toString() . ' 0 0 ' . $yScaleObj->toString() . " 0 0 cmn";
return $this;
}
/**
* Translate coordination system.
*
* @param float $xShift - X coordinate shift
* @param float $yShift - Y coordinate shift
* @return Zend_Pdf_Canvas_Interface
*/
public function translate($xShift, $yShift)
{
$xShiftObj = new Zend_Pdf_Element_Numeric($xShift);
$yShiftObj = new Zend_Pdf_Element_Numeric($yShift);
$this->_addProcSet('PDF');
$this->_contents .= '1 0 0 1 ' . $xShiftObj->toString() . ' ' . $yShiftObj->toString() . " cmn";
return $this;
}
/**
* Translate coordination system.
*
* @param float $x - the X co-ordinate of axis skew point
* @param float $y - the Y co-ordinate of axis skew point
* @param float $xAngle - X axis skew angle
* @param float $yAngle - Y axis skew angle
* @return Zend_Pdf_Canvas_Interface
*/
public function skew($x, $y, $xAngle, $yAngle)
{
$tanXObj = new Zend_Pdf_Element_Numeric(tan($xAngle));
$tanYObj = new Zend_Pdf_Element_Numeric(-tan($yAngle));
$xObj = new Zend_Pdf_Element_Numeric($x);
$yObj = new Zend_Pdf_Element_Numeric($y);
$mXObj = new Zend_Pdf_Element_Numeric(-$x);
$mYObj = new Zend_Pdf_Element_Numeric(-$y);
$this->_addProcSet('PDF');
$this->_contents .= '1 0 0 1 ' . $xObj->toString() . ' ' . $yObj->toString() . " cmn"
. '1 ' . $tanXObj->toString() . ' ' . $tanYObj->toString() . " 1 0 0 cmn"
. '1 0 0 1 ' . $mXObj->toString() . ' ' . $mYObj->toString() . " cmn";
return $this;
}
/**
* Writes the raw data to the page's content stream.
*
* Be sure to consult the PDF reference to ensure your syntax is correct. No
* attempt is made to ensure the validity of the stream data.
*
* @param string $data
* @param string $procSet (optional) Name of ProcSet to add.
* @return Zend_Pdf_Canvas_Interface
*/
public function rawWrite($data, $procSet = null)
{
if (! empty($procSet)) {
$this->_addProcSet($procSet);
}
$this->_contents .= $data;
return $this;
}
}