--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Pdf/Canvas/Abstract.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,1214 @@
+<?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() . " w\n";
+
+ 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() . " d\n";
+
+ 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() . " Tf\n";
+
+ 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 .= " q\n";
+
+ 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 .= " Q\n";
+
+ 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() . " gs\n";
+
+ 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() . " m\n";
+ $clipSectors = (int)ceil(($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() . " l\n";
+ }
+
+ $this->_contents .= $clipPath . "h\nW\nn\n";
+ }
+
+ $xLeft = new Zend_Pdf_Element_Numeric($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() . " m\n"
+ . $xr->toString() . ' ' . $yUp->toString() . ' '
+ . $xRight->toString() . ' ' . $yu->toString() . ' '
+ . $xRight->toString() . ' ' . $yC->toString() . " c\n"
+ . $xRight->toString() . ' ' . $yd->toString() . ' '
+ . $xr->toString() . ' ' . $yDown->toString() . ' '
+ . $xC->toString() . ' ' . $yDown->toString() . " c\n"
+ . $xl->toString() . ' ' . $yDown->toString() . ' '
+ . $xLeft->toString() . ' ' . $yd->toString() . ' '
+ . $xLeft->toString() . ' ' . $yC->toString() . " c\n"
+ . $xLeft->toString() . ' ' . $yu->toString() . ' '
+ . $xl->toString() . ' ' . $yUp->toString() . ' '
+ . $xC->toString() . ' ' . $yUp->toString() . " c\n"
+ . "h\nW\nn\n";
+
+ 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() . " m\n";
+ $firstPoint = false;
+ } else {
+ $path .= $xObj->toString() . ' ' . $yObj->toString() . " l\n";
+ }
+ }
+
+ $this->_contents .= $path;
+
+ if ($fillMethod == Zend_Pdf_Page::FILL_METHOD_NON_ZERO_WINDING) {
+ $this->_contents .= " h\n W\nn\n";
+ } else {
+ // Even-Odd fill method.
+ $this->_contents .= " h\n W*\nn\n";
+ }
+
+ 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() . " re\n"
+ . " W\nn\n";
+
+ 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() . " m\n";
+ $clipSectors = (int)ceil(($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() . " l\n";
+ }
+
+ $this->_contents .= "q\n" . $clipPath . "h\nW\nn\n";
+ }
+
+ $xLeft = new Zend_Pdf_Element_Numeric($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() . " m\n"
+ . $xr->toString() . ' ' . $yUp->toString() . ' '
+ . $xRight->toString() . ' ' . $yu->toString() . ' '
+ . $xRight->toString() . ' ' . $yC->toString() . " c\n"
+ . $xRight->toString() . ' ' . $yd->toString() . ' '
+ . $xr->toString() . ' ' . $yDown->toString() . ' '
+ . $xC->toString() . ' ' . $yDown->toString() . " c\n"
+ . $xl->toString() . ' ' . $yDown->toString() . ' '
+ . $xLeft->toString() . ' ' . $yd->toString() . ' '
+ . $xLeft->toString() . ' ' . $yC->toString() . " c\n"
+ . $xLeft->toString() . ' ' . $yu->toString() . ' '
+ . $xl->toString() . ' ' . $yUp->toString() . ' '
+ . $xC->toString() . ' ' . $yUp->toString() . " c\n";
+
+ switch ($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:
+ $this->_contents .= " S\n";
+ break;
+ }
+
+ if ($startAngle !== null) {
+ $this->_contents .= "Q\n";
+ }
+
+ 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 .= "q\n"
+ . '1 0 0 1 ' . $x1Obj->toString() . ' ' . $y1Obj->toString() . " cm\n"
+ . $widthObj->toString() . ' 0 0 ' . $heightObj->toString() . " 0 0 cm\n"
+ . $imageNameObj->toString() . " Do\n"
+ . "Q\n";
+
+ 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() . " m\n"
+ . $x2Obj->toString() . ' ' . $y2Obj->toString() . " l\n S\n";
+
+ 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() . " m\n";
+ $firstPoint = false;
+ } else {
+ $path .= $xObj->toString() . ' ' . $yObj->toString() . " l\n";
+ }
+ }
+
+ $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 .= " b\n";
+ } 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 .= " h\n f\n";
+ } else {
+ // Even-Odd fill method.
+ $this->_contents .= " h\n f*\n";
+ }
+ break;
+ case Zend_Pdf_Page::SHAPE_DRAW_STROKE:
+ $this->_contents .= " S\n";
+ 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() . ' ' . $height2Obj->toString() . " re\n";
+
+ switch ($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 .= " S\n";
+ 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() . " m\n";
+ $x1Obj = new Zend_Pdf_Element_Numeric($topRightX - $radius[1]);
+ $y1Obj = new Zend_Pdf_Element_Numeric($topRightY);
+ $this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " l\n";
+
+ //draw top right corner if needed
+ if ($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() . ' '
+ . " c\n";
+ }
+
+ //draw right side
+ $x1Obj = new Zend_Pdf_Element_Numeric($bottomRightX);
+ $y1Obj = new Zend_Pdf_Element_Numeric($bottomRightY + $radius[2]);
+ $this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " l\n";
+
+ //draw bottom right corner if needed
+ if ($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() . ' '
+ . " c\n";
+ }
+
+ //draw bottom side
+ $x1Obj = new Zend_Pdf_Element_Numeric($bottomLeftX + $radius[3]);
+ $y1Obj = new Zend_Pdf_Element_Numeric($bottomLeftY);
+ $this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " l\n";
+
+ //draw bottom left corner if needed
+ if ($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() . ' '
+ . " c\n";
+ }
+
+ //draw left side
+ $x1Obj = new Zend_Pdf_Element_Numeric($topLeftX);
+ $y1Obj = new Zend_Pdf_Element_Numeric($topLeftY - $radius[0]);
+ $this->_contents .= $x1Obj->toString() . ' ' . $y1Obj->toString() . " l\n";
+
+ //draw top left corner if needed
+ if ($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() . ' ' . $y3Obj->toString() . ' '
+ . " c\n";
+ }
+
+ switch ($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 .= " S\n";
+ 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 .= "BT\n"
+ . $xObj->toString() . ' ' . $yObj->toString() . " Td\n"
+ . $textObj->toString() . " Tj\n"
+ . "ET\n";
+
+ 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() . " cm\n"
+ . $cos->toString() . ' ' . $sin->toString() . ' ' . $mSin->toString() . ' ' . $cos->toString() . " 0 0 cm\n"
+ . '1 0 0 1 ' . $mXObj->toString() . ' ' . $mYObj->toString() . " cm\n";
+
+ 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 cm\n";
+
+ 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() . " cm\n";
+
+ 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() . " cm\n"
+ . '1 ' . $tanXObj->toString() . ' ' . $tanYObj->toString() . " 1 0 0 cm\n"
+ . '1 0 0 1 ' . $mXObj->toString() . ' ' . $mYObj->toString() . " cm\n";
+
+ 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;
+ }
+}