<?php
/**
 * @package    Zend_Pdf
 * @subpackage UnitTests
 */


/** Zend_Pdf */
require_once 'Zend/Pdf.php';

/** PHPUnit Test Case */
require_once 'PHPUnit/Framework/TestCase.php';


/**
 * @package    Zend_Pdf
 * @subpackage UnitTests
 */
class Zend_Pdf_ProcessingTest extends PHPUnit_Framework_TestCase
{
    public function testCreate()
    {
        $pdf = new Zend_Pdf();

        // Add new page generated by Zend_Pdf object (page is attached to the specified the document)
        $pdf->pages[] = ($page1 = $pdf->newPage('A4'));

        // Add new page generated by Zend_Pdf_Page object (page is not attached to the document)
        $pdf->pages[] = ($page2 = new Zend_Pdf_Page(Zend_Pdf_Page::SIZE_LETTER_LANDSCAPE));

        // Create new font
        $font = Zend_Pdf_Font::fontWithName(Zend_Pdf_Font::FONT_HELVETICA);

        // Apply font and draw text
        $page1->setFont($font, 36);
        $page1->setFillColor(Zend_Pdf_Color_Html::color('#9999cc'));
        $page1->drawText('Helvetica 36 text string', 60, 500);

        // Use font object for another page
        $page2->setFont($font, 24);
        $page2->drawText('Helvetica 24 text string', 60, 500);

        // Use another font
        $page2->setFont(Zend_Pdf_Font::fontWithName(Zend_Pdf_Font::FONT_TIMES), 32);
        $page2->drawText('Times-Roman 32 text string', 60, 450);

        // Draw rectangle
        $page2->setFillColor(new Zend_Pdf_Color_GrayScale(0.8));
        $page2->setLineColor(new Zend_Pdf_Color_GrayScale(0.2));
        $page2->setLineDashingPattern(array(3, 2, 3, 4), 1.6);
        $page2->drawRectangle(60, 400, 400, 350);

        // Draw circle
        $page2->setLineDashingPattern(Zend_Pdf_Page::LINE_DASHING_SOLID);
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 0, 0));
        $page2->drawCircle(85, 375, 25);

        // Draw sectors
        $page2->drawCircle(200, 375, 25, 2*M_PI/3, -M_PI/6);
        $page2->setFillColor(new Zend_Pdf_Color_Cmyk(1, 0, 0, 0));
        $page2->drawCircle(200, 375, 25, M_PI/6, 2*M_PI/3);
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 1, 0));
        $page2->drawCircle(200, 375, 25, -M_PI/6, M_PI/6);

        // Draw ellipse
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 0, 0));
        $page2->drawEllipse(250, 400, 400, 350);
        $page2->setFillColor(new Zend_Pdf_Color_Cmyk(1, 0, 0, 0));
        $page2->drawEllipse(250, 400, 400, 350, M_PI/6, 2*M_PI/3);
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 1, 0));
        $page2->drawEllipse(250, 400, 400, 350, -M_PI/6, M_PI/6);

        // Draw and fill polygon
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 0, 1));
        $x = array();
        $y = array();
        for ($count = 0; $count < 8; $count++) {
            $x[] = 140 + 25*cos(3*M_PI_4*$count);
            $y[] = 375 + 25*sin(3*M_PI_4*$count);
        }
        $page2->drawPolygon($x, $y,
                            Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE,
                            Zend_Pdf_Page::FILL_METHOD_EVEN_ODD);

        // Draw line
        $page2->setLineWidth(0.5);
        $page2->drawLine(60, 375, 400, 375);

        $pdf->save(dirname(__FILE__) . '/_files/output.pdf');
        unset($pdf);

        $pdf1 = Zend_Pdf::load(dirname(__FILE__) . '/_files/output.pdf');

        $this->assertTrue($pdf1 instanceof Zend_Pdf);
        unset($pdf1);

        unlink(dirname(__FILE__) . '/_files/output.pdf');
    }

    public function testModify()
    {
        $pdf = Zend_Pdf::load(dirname(__FILE__) . '/_files/pdfarchiving.pdf');

        // Reverse page order
        $pdf->pages = array_reverse($pdf->pages);

        // Mark page as modified
        foreach ($pdf->pages as $page){
            $page->saveGS();

            // Create new Style
            $page->setFillColor(new Zend_Pdf_Color_Rgb(0, 0, 0.9));
            $page->setLineColor(new Zend_Pdf_Color_GrayScale(0.2));
            $page->setLineWidth(3);
            $page->setLineDashingPattern(array(3, 2, 3, 4), 1.6);
            $page->setFont(Zend_Pdf_Font::fontWithName(Zend_Pdf_Font::FONT_HELVETICA_BOLD), 32);


            $page->rotate(0, 0, M_PI_2/3);
            $page->drawText('Modified by Zend Framework!', 150, 0);
            $page->restoreGS();
        }


        // Add new page generated by Zend_Pdf object (page is attached to the specified the document)
        $pdf->pages[] = ($page1 = $pdf->newPage('A4'));

        // Add new page generated by Zend_Pdf_Page object (page is not attached to the document)
        $pdf->pages[] = ($page2 = new Zend_Pdf_Page(Zend_Pdf_Page::SIZE_LETTER_LANDSCAPE));

        // Create new font
        $font = Zend_Pdf_Font::fontWithName(Zend_Pdf_Font::FONT_HELVETICA);

        // Apply font and draw text
        $page1->setFont($font, 36);
        $page1->setFillColor(Zend_Pdf_Color_Html::color('#9999cc'));
        $page1->drawText('Helvetica 36 text string', 60, 500);

        // Use font object for another page
        $page2->setFont($font, 24);
        $page2->drawText('Helvetica 24 text string', 60, 500);

        // Use another font
        $page2->setFont(Zend_Pdf_Font::fontWithName(Zend_Pdf_Font::FONT_TIMES), 32);
        $page2->drawText('Times-Roman 32 text string', 60, 450);

        // Draw rectangle
        $page2->setFillColor(new Zend_Pdf_Color_GrayScale(0.8));
        $page2->setLineColor(new Zend_Pdf_Color_GrayScale(0.2));
        $page2->setLineDashingPattern(array(3, 2, 3, 4), 1.6);
        $page2->drawRectangle(60, 400, 400, 350);

        // Draw circle
        $page2->setLineDashingPattern(Zend_Pdf_Page::LINE_DASHING_SOLID);
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 0, 0));
        $page2->drawCircle(85, 375, 25);

        // Draw sectors
        $page2->drawCircle(200, 375, 25, 2*M_PI/3, -M_PI/6);
        $page2->setFillColor(new Zend_Pdf_Color_Cmyk(1, 0, 0, 0));
        $page2->drawCircle(200, 375, 25, M_PI/6, 2*M_PI/3);
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 1, 0));
        $page2->drawCircle(200, 375, 25, -M_PI/6, M_PI/6);

        // Draw ellipse
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 0, 0));
        $page2->drawEllipse(250, 400, 400, 350);
        $page2->setFillColor(new Zend_Pdf_Color_Cmyk(1, 0, 0, 0));
        $page2->drawEllipse(250, 400, 400, 350, M_PI/6, 2*M_PI/3);
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 1, 0));
        $page2->drawEllipse(250, 400, 400, 350, -M_PI/6, M_PI/6);

        // Draw and fill polygon
        $page2->setFillColor(new Zend_Pdf_Color_Rgb(1, 0, 1));
        $x = array();
        $y = array();
        for ($count = 0; $count < 8; $count++) {
            $x[] = 140 + 25*cos(3*M_PI_4*$count);
            $y[] = 375 + 25*sin(3*M_PI_4*$count);
        }
        $page2->drawPolygon($x, $y,
                            Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE,
                            Zend_Pdf_Page::FILL_METHOD_EVEN_ODD);

        // Draw line
        $page2->setLineWidth(0.5);
        $page2->drawLine(60, 375, 400, 375);

        $pdf->save(dirname(__FILE__) . '/_files/output.pdf');

        unset($pdf);

        $pdf1 = Zend_Pdf::load(dirname(__FILE__) . '/_files/output.pdf');

        $this->assertTrue($pdf1 instanceof Zend_Pdf);
        unset($pdf1);

        unlink(dirname(__FILE__) . '/_files/output.pdf');
    }

    public function testInfoProcessing()
    {
        $pdf = Zend_Pdf::load(dirname(__FILE__) . '/_files/pdfarchiving.pdf');

        $this->assertEquals($pdf->properties['Title'], 'PDF as a Standard for Archiving');
        $this->assertEquals($pdf->properties['Author'], 'Adobe Systems Incorporated');

        $metadata = $pdf->getMetadata();

        $metadataDOM = new DOMDocument();
        $metadataDOM->loadXML($metadata);

        $xpath = new DOMXPath($metadataDOM);
        $pdfPreffixNamespaceURI = $xpath->query('/rdf:RDF/rdf:Description')->item(0)->lookupNamespaceURI('pdf');
        $xpath->registerNamespace('pdf', $pdfPreffixNamespaceURI);

        $titleNodeset = $xpath->query('/rdf:RDF/rdf:Description/pdf:Title');
        $titleNode    = $titleNodeset->item(0);
        $this->assertEquals($titleNode->nodeValue, 'PDF as a Standard for Archiving');


        $pdf->properties['Title'] .= ' (modified)';
        $pdf->properties['New_Property'] = 'New property';

        $titleNode->nodeValue .= ' (modified using RDF data)';
        $pdf->setMetadata($metadataDOM->saveXML());

        $pdf->save(dirname(__FILE__) . '/_files/output.pdf');
        unset($pdf);


        $pdf1 = Zend_Pdf::load(dirname(__FILE__) . '/_files/output.pdf');
        $this->assertEquals($pdf1->properties['Title'], 'PDF as a Standard for Archiving (modified)');
        $this->assertEquals($pdf1->properties['Author'], 'Adobe Systems Incorporated');
        $this->assertEquals($pdf1->properties['New_Property'], 'New property');

        $metadataDOM1 = new DOMDocument();
        $metadataDOM1->loadXML($metadata);

        $xpath1 = new DOMXPath($metadataDOM);
        $pdfPreffixNamespaceURI1 = $xpath1->query('/rdf:RDF/rdf:Description')->item(0)->lookupNamespaceURI('pdf');
        $xpath1->registerNamespace('pdf', $pdfPreffixNamespaceURI1);

        $titleNodeset1 = $xpath->query('/rdf:RDF/rdf:Description/pdf:Title');
        $titleNode1    = $titleNodeset->item(0);
        $this->assertEquals($titleNode1->nodeValue, 'PDF as a Standard for Archiving (modified using RDF data)');
        unset($pdf1);

        unlink(dirname(__FILE__) . '/_files/output.pdf');
    }

    public function testPageCloning()
    {
        $pdf = Zend_Pdf::load(dirname(__FILE__) . '/_files/pdfarchiving.pdf');

        $srcPageCount = count($pdf->pages);

        try {
            $newPage = clone reset($pdf->pages);
        } catch (Zend_Pdf_Exception $e) {
            if (strpos($e->getMessage(), 'Cloning Zend_Pdf_Page object using \'clone\' keyword is not supported.') !== 0) {
                throw $e;
            }

            // Exception is thrown
        }

        $outputPageSet = array();
        foreach ($pdf->pages as $srcPage){
            $page = new Zend_Pdf_Page($srcPage);

            $outputPageSet[] = $srcPage;
            $outputPageSet[] = $page;

            $page->saveGS();

            // Create new Style
            $page->setFillColor(new Zend_Pdf_Color_Rgb(0, 0, 0.9));
            $page->setLineColor(new Zend_Pdf_Color_GrayScale(0.2));
            $page->setLineWidth(3);
            $page->setLineDashingPattern(array(3, 2, 3, 4), 1.6);
            $page->setFont(Zend_Pdf_Font::fontWithName(Zend_Pdf_Font::FONT_HELVETICA_BOLD), 32);


            $page->rotate(0, 0, M_PI_2/3);
            $page->drawText('Modified by Zend Framework!', 150, 0);
            $page->restoreGS();
        }


        // Add new page generated by Zend_Pdf object (page is attached to the specified the document)
        $pdf->pages = $outputPageSet;

        $pdf->save(dirname(__FILE__) . '/_files/output.pdf');

        unset($pdf);

        $pdf1 = Zend_Pdf::load(dirname(__FILE__) . '/_files/output.pdf');

        $this->assertTrue($pdf1 instanceof Zend_Pdf);
        $this->assertEquals($srcPageCount*2, count($pdf1->pages));
        unset($pdf1);

        unlink(dirname(__FILE__) . '/_files/output.pdf');
    }
}
