public function setup() { $this->mapper = WideImage_MapperFactory::selectMapper(null, 'gd'); }
/** * Create and load an image from a string. Format is auto-detected. * * @param string $string Binary data, i.e. from BLOB field in the database * @return WideImage_Image WideImage_PaletteImage or WideImage_TrueColorImage instance */ static function loadFromString($string) { if (strlen($string) < 128) { throw new WideImage_InvalidImageSourceException("String doesn't contain image data."); } $handle = @imagecreatefromstring($string); if (!self::isValidImageHandle($handle)) { $custom_mappers = WideImage_MapperFactory::getCustomMappers(); foreach ($custom_mappers as $mime_type => $mapper_class) { $mapper = WideImage_MapperFactory::selectMapper(null, $mime_type); $handle = $mapper->loadFromString($string); if (self::isValidImageHandle($handle)) { break; } } } if (!self::isValidImageHandle($handle)) { throw new WideImage_InvalidImageSourceException("String doesn't contain valid image data."); } return self::loadFromHandle($handle); }
/** * Outputs the image to browser * * Sets headers Content-length and Content-type, and echoes the image in the specified format. * All other headers (such as Content-disposition) must be added manually. * * Example: * <code> * WideImage::load('image1.png')->resize(100, 100)->output('gif'); * </code> * * @param string $format Image format */ function output($format) { $args = func_get_args(); $data = call_user_func_array(array($this, 'asString'), $args); $this->writeHeader('Content-length', strlen($data)); $this->writeHeader('Content-type', WideImage_MapperFactory::mimeType($format)); echo $data; }
/** * Create and load an image from a file or URL. You can override the file * format by specifying the second parameter. * * @param string $uri File or url * @param string $format *DEPRECATED* Format hint, usually not needed * @return WideImage_Image WideImage_PaletteImage or WideImage_TrueColorImage instance */ static function loadFromFile($uri, $format = null) { $data = file_get_contents($uri); $handle = @imagecreatefromstring($data); if (!self::isValidImageHandle($handle)) { $mapper = WideImage_MapperFactory::selectMapper($uri, $format); $handle = $mapper->load($uri); } if (!self::isValidImageHandle($handle)) { throw new WideImage_InvalidImageSourceException("File '{$uri}' appears to be an invalid image source."); } return self::loadFromHandle($handle); }
public function testMapperBMPByURI() { $mapper = WideImage_MapperFactory::selectMapper('uri.bmp'); $this->assertInstanceOf('WideImage_Mapper_BMP', $mapper); }
/** * Outputs the image to browser * * Sets headers Content-length and Content-type, and echoes the image in the specified format. * All other headers (such as Content-disposition) must be added manually. * * Example: * <code> * WideImage::load('image1.png')->resize(100, 100)->output('gif'); * </code> * * @param string $format Image format */ function output($format) { $args = func_get_args(); $data = call_user_func_array(array($this, 'asString'), $args); if (function_exists('mb_strlen')) { $byteCount = mb_strlen($data, '8bit'); } else { $byteCount = strlen($data); } $this->writeHeader('Content-length', $byteCount); $this->writeHeader('Content-type', WideImage_MapperFactory::mimeType($format)); echo $data; }
/** * Returns binary string with image data in format specified by $format * * Additional parameters may be passed to the function. See WideImage_Image::saveToFile() for more details. * * @param string $format The format of the image * @return string The binary image data in specified format */ function asString($format) { ob_start(); $args = func_get_args(); $args[0] = null; array_unshift($args, $this->getHandle()); $mapper = WideImage_MapperFactory::selectMapper(null, $format); $res = call_user_func_array(array($mapper, 'save'), $args); if (!$res) { throw new WideImage_UnknownErrorWhileMappingException(get_class($mapper) . " returned an invalid result while writing the image data"); } return ob_get_clean(); }