发布于 2015-10-07 09:54:06 | 154 次阅读 | 评论: 0 | 来源: 网络整理
This section provides an example of module usage.
    This example can be found in a demos/Zend/Pdf/demo.php file.
    
    There are also test.pdf file, which can be used with this demo
    for test purposes.
    
例 31.17. Zend_Pdf module usage demo
/**
 * @package Zend_Pdf
 * @subpackage demo
 */
if (!isset($argv[1])) {
    echo "USAGE: php demo.php <pdf_file> [<output_pdf_file>]\n";
    exit;
}
try {
    $pdf = Zend_Pdf::load($argv[1]);
} catch (Zend_Pdf_Exception $e) {
    if ($e->getMessage() == 'Can not open \'' . $argv[1] . 
                            '\' file for reading.') {
        // Create new PDF if file doesn't exist
        $pdf = new Zend_Pdf();
        if (!isset($argv[2])) {
            // force complete file rewriting (instead of updating)
            $argv[2] = $argv[1];
        }
    } else {
        // Throw an exception if it's not the "Can't open file
        // exception
        throw $e;
    }
}
//--------------------------------------------------------------------
// Reverse page order
$pdf->pages = array_reverse($pdf->pages);
// Create new Style
$style = new Zend_Pdf_Style();
$style->setFillColor(new Zend_Pdf_Color_Rgb(0, 0, 0.9));
$style->setLineColor(new Zend_Pdf_Color_GrayScale(0.2));
$style->setLineWidth(3);
$style->setLineDashingPattern(array(3, 2, 3, 4), 1.6);
$style->setFont(Zend_Pdf_Font::fontWithName(
                    Zend_Pdf_Font::FONT_HELVETICA_BOLD), 32
               );
try {
    // Create new image object
    $stampImage = Zend_Pdf_Image::imageWithPath(dirname(__FILE__) . 
                                                '/stamp.jpg');
} catch (Zend_Pdf_Exception $e) {
    // Example of operating with image loading exceptions. 
    if ($e->getMessage() != 'Image extension is not installed.' &&
        $e->getMessage() != 'JPG support is not configured properly.') {
        throw $e;
    }
    $stampImage = null;
}
// Mark page as modified
foreach ($pdf->pages as $page){
    $page->saveGS();
    $page->setAlpha(0.25);
    $page->setStyle($style);
    $page->rotate(0, 0, M_PI_2/3);
    $page->saveGS();
    $page->clipCircle(550, -10, 50);
    if ($stampImage != null) {
        $page->drawImage($stampImage, 500, -60, 600, 40);
    }
    $page->restoreGS();
    $page->drawText('Modified by Zend Framework!', 150, 0);
    $page->restoreGS();
}
// Add new page generated by Zend_Pdf object
// (page is attached to the specified 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->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_ROMAN), 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);
$page2->drawLine(60, 375, 400, 375);
//--------------------------------------------------------------------
if (isset($argv[2])) {
    $pdf->save($argv[2]);
} else {
    $pdf->save($argv[1], true /* update */);
}