image2wbmp(3) [php man page]

IMAGE2WBMP(3)								 1							     IMAGE2WBMP(3)

image2wbmp - Output image to browser or file

SYNOPSIS

       bool image2wbmp (resource  $image, [string  $filename], [int  $threshold])

DESCRIPTION

       image2wbmp(3) outputs or save a WBMP version of the given $image.

PARAMETERS

	      o $
		image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3).

	      o $filename
		- Path to the saved file. If not given, the raw image stream will be output directly.

	      o $threshold
		- Threshold value, between 0 and 255 (inclusive).

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      image2wbmp(3) example

	      <?php
	      $file = 'php.png';
	      $image = imagecreatefrompng($file);

	      header('Content-Type: ' . image_type_to_mime_type(IMAGETYPE_WBMP));
	      image2wbmp($image); // output the stream directly
	      imagedestroy($image);
	      ?>

NOTES

       Note

	       WBMP support is only available if PHP was compiled against GD-1.8 or later.

SEE ALSO

       imagewbmp(3).

PHP Documentation Group 													     IMAGE2WBMP(3)

IMAGEPNG(3)								 1							       IMAGEPNG(3)

imagepng - Output a PNG image to either the browser or a file

SYNOPSIS

       bool imagepng (resource	$image, [string  $filename], [int  $quality], [int  $filters])

DESCRIPTION

	Outputs or saves a PNG image from the given $image.

PARAMETERS

	      o $
		image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3).

	      o $filename
		-The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.

	      Note

		     NULL is invalid if the $quality and $filters arguments are not used.

	      o $quality
		- Compression level: from 0 (no compression) to 9.

	      o $filters
		-  Allows  reducing  the PNG file size. It is a bitmask field which may be set to any combination of the PNG_FILTER_XXX constants.
		PNG_NO_FILTER or PNG_ALL_FILTERS may also be used to respectively disable or activate all filters.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

CHANGELOG

       +--------+--------------------------------+
       |Version |				 |
       |	|				 |
       |	|	   Description		 |
       |	|				 |
       +--------+--------------------------------+
       | 5.1.3	|				 |
       |	|				 |
       |	|  Added the $filters parameter. |
       |	|				 |
       | 5.1.2	|				 |
       |	|				 |
       |	|  Added the $quality parameter. |
       |	|				 |
       +--------+--------------------------------+
EXAMPLES

       <?php
       $im = imagecreatefrompng("test.png");

       header('Content-Type: image/png');

       imagepng($im);
       imagedestroy($im);
       ?>

SEE ALSO

       imagegif(3), imagewbmp(3), imagejpeg(3), imagetypes(3), imagesavealpha(3).

PHP Documentation Group 													       IMAGEPNG(3)