PHP CairoImageSurface::createFromPng Examples

Example #1

File: cairo_oo.php Project: Adeelgill/livehelperchat

 /**
  * Draw an image 
  *
  * The image will be inlined in the SVG document using data URL scheme. For
  * this the mime type and base64 encoded file content will be merged to 
  * URL.
  * 
  * @param mixed $file Image file
  * @param ezcGraphCoordinate $position Top left position
  * @param mixed $width Width of image in destination image
  * @param mixed $height Height of image in destination image
  * @return void
  */
 public function drawImage($file, ezcGraphCoordinate $position, $width, $height)
 {
     $this->initiliazeSurface();
     // Ensure given bitmap is a PNG image
     $data = getimagesize($file);
     if ($data[2] !== IMAGETYPE_PNG) {
         throw new Exception('Cairo only has support for PNGs.');
     }
     // Create new surface from given bitmap
     $imageSurface = CairoImageSurface::createFromPng($file);
     // Create pattern from source image to be able to transform it
     $pattern = new CairoSurfacePattern($imageSurface);
     // Scale pattern to defined dimensions and move it to its destination position
     $matrix = CairoMatrix::multiply($move = CairoMatrix::initTranslate(-$position->x, -$position->y), $scale = CairoMatrix::initScale($data[0] / $width, $data[1] / $height));
     $pattern->setMatrix($matrix);
     // Merge surfaces
     $this->context->setSource($pattern);
     $this->context->rectangle($position->x, $position->y, $width, $height);
     $this->context->fill();
 }

Example #2

File: create-from-png-stream.php Project: jamesan/cairo

<?php

$sur = new CairoImageSurface(CairoFormat::ARGB32, 2, 2);
$con = new CairoContext($sur);
$s = new CairoImageSurface(CairoFormat::ARGB32, 2, 2);
$file = fopen(dirname(__FILE__) . "/create-from-png-ref.png", "r");
$s->createFromPng($file);
$con->setSourceSurface($s);
$con->paint();
$sur->writeToPng(dirname(__FILE__) . "/create-from-png-stream-php.png");

Example #3

File: extend-repeat.php Project: jamesan/cairo

<?php

$sur = new CairoImageSurface(CairoFormat::ARGB32, 256 + 32 * 2, 192 + 32 * 2);
$con = new CairoContext($sur);
$s = new CairoImageSurface(CairoFormat::ARGB32, 100, 100);
$s->createFromPng(dirname(__FILE__) . "/romedalen.png");
$con->setSourceSurface($s, 32, 32);
$pat = $con->getSource();
$pat->setExtend(CairoExtend::REPEAT);
$con->setSource($pat);
$con->paint();
$sur->writeToPng(dirname(__FILE__) . "/extend-repeat-php.png");
?>

Example #4

File: create-from-png.php Project: jamesan/cairo

<?php

$sur = new CairoImageSurface(CairoFormat::ARGB32, 2, 2);
$con = new CairoContext($sur);
$s = new CairoImageSurface(CairoFormat::ARGB32, 2, 2);
$s->createFromPng(dirname(__FILE__) . "/create-from-png-ref.png");
$con->setSourceSurface($s);
$con->paint();
$sur->writeToPng(dirname(__FILE__) . "/create-from-png-php.png");