/**
* Parses POST stream from chart and builds an array containing
* export data and parameters in a format readable by other functions.
*
* @param $exportRequestStream All POST data (array) from chart
* @return An array of processed export data and parameters
*/
function parseExportRequestStream($exportRequestStream)
{
// Check for SVG
$exportData['streamtype'] = strtoupper(@$exportRequestStream['stream_type']);
// backward compatible SVG stream type detection
if (!$exportData['streamtype']) {
if (@$exportRequestStream['svg']) {
$exportData['streamtype'] = "SVG";
} else {
$exportData['streamtype'] = "RLE";
}
}
// get string of compressed/encoded image data
// halt with error message if stream is not found
if (strtolower($exportData['streamtype']) === "svg") {
$exportData['stream'] = (string) @$exportRequestStream['stream'] or $exportData['stream'] = (string) @$exportRequestStream['svg'] or raise_error(100, true);
} else {
if (!isset($exportRequestStream['stream'])) {
raise_error(100, true);
}
// if stream-type is not SVG then this section will execute
$exportData['stream'] = str_replace(' ', '+', $exportRequestStream['stream']);
$exportData['stream'] = base64_decode(substr($exportData['stream'], strpos($exportData['stream'], ",") + 1));
}
// get all export related parameters and parse to validate and process these
// add notice if 'parameters' is not retrieved. In that case default values would be taken
if (!@$exportRequestStream['parameters']) {
raise_error(102);
}
// parse parameters
$exportData['parameters'] = parseExportParams(@$exportRequestStream['parameters'], @$exportRequestStream);
$exportData['parameters']["exportformat"] = strtoupper(@$exportData['parameters']["exportformat"]);
// get width and height of the chart
// halt with error message if width/height is/are not retrieved
$exportData['meta']['width'] = (int) @$exportRequestStream['meta_width'] or $exportData['meta']['width'] = (int) @$exportRequestStream['width'] or raise_error(101);
$exportData['meta']['height'] = (int) @$exportRequestStream['meta_height'] or raise_error(101);
// get background color of chart
// add notice if background color is not retrieved
$exportData['meta']['bgColor'] = @$exportRequestStream['meta_bgColor'];
// chart DOMId
$exportData['meta']['DOMId'] = @$exportRequestStream['meta_DOMId'];
// get the encoded images if any And temporarily create them inside the the temp
// folder
$exportData['encodedImageData'] = @$exportRequestStream['encodedImgData'];
// return collected and processed data
return $exportData;
}
/**
* Parses POST stream from chart and builds an array containing
* export data and parameters in a format readable by other functions.
*
* @param $exportRequestStream All POST data (array) from chart
* @return An array of processed export data and parameters
*/
function parseExportRequestStream($exportRequestStream)
{
// Check for SVG
$exportData['streamtype'] = strtoupper(@$exportRequestStream['stream_type']);
// backward compatible SVG stream type detection
if (!$exportData['streamtype']) {
if (@$exportRequestStream['svg']) {
$exportData['streamtype'] = "SVG";
} else {
//raise error as this export handler only accepts SVG as the input stream.
raise_error("Invalid input stream type. Only SVG is accepted.");
}
}
// get string of compressed/encoded image data
// halt with error message if stream is not found
$exportData['stream'] = (string) @$exportRequestStream['stream'] or $exportData['stream'] = (string) @$exportRequestStream['svg'] or raise_error(100, true);
// get all export related parameters and parse to validate and process these
// add notice if 'parameters' is not retrieved. In that case default values would be taken
if (!@$exportRequestStream['parameters']) {
raise_error(102);
}
// parse parameters
$exportData['parameters'] = parseExportParams(@$exportRequestStream['parameters'], @$exportRequestStream);
$exportData['parameters']["exportformat"] = strtoupper(@$exportData['parameters']["exportformat"]);
// get width and height of the chart
// halt with error message if width/height is/are not retrieved
$exportData['meta']['width'] = (int) @$exportRequestStream['meta_width'] or $exportData['meta']['width'] = (int) @$exportRequestStream['width'] or raise_error(101);
$exportData['meta']['height'] = (int) @$exportRequestStream['meta_height'] or raise_error(101);
// get background color of chart
// add notice if background color is not retrieved
$exportData['meta']['bgColor'] = @$exportRequestStream['meta_bgColor'];
// chart DOMId
$exportData['meta']['DOMId'] = @$exportRequestStream['meta_DOMId'];
// return collected and processed data
return $exportData;
}
/**
* Parses POST stream from chart and builds an array containing
* export data and parameters in a format readable by other functions.
*
* @param $exportRequestStream All POST data (array) from chart
* @return An array of processed export data and parameters
*/
function parseExportRequestStream($exportRequestStream)
{
// get string of compressed/encoded image data
// halt with error message if stream is not found
$exportData['stream'] = @$exportRequestStream['stream'] or raise_error(100, true);
// get all export related parameters and parse to validate and process these
// add notice if 'parameters' is not retrieved. In that case default values would be taken
if (!@$exportRequestStream['parameters']) {
raise_error(102);
}
// parse parameters
$exportData['parameters'] = parseExportParams(@$exportRequestStream['parameters']);
// get width and height of the chart
// halt with error message if width/height is/are not retrieved
$exportData['meta']['width'] = (int) @$exportRequestStream['meta_width'] or raise_error(101, true);
$exportData['meta']['height'] = (int) @$exportRequestStream['meta_height'] or raise_error(101, true);
// get background color of chart
// add notice if background color is not retrieved
$exportData['meta']['bgColor'] = @$exportRequestStream['meta_bgColor'] or raise_error(" Background color not specified. Taking White (FFFFF) as default background color.");
// chart DOMId
$exportData['meta']['DOMId'] = @$exportRequestStream['meta_DOMId'];
// return collected and processed data
return $exportData;
}
