imagecreatefrompng(3) [php man page]
IMAGECREATEFROMPNG(3) 1 IMAGECREATEFROMPNG(3) imagecreatefrompng - Create a new image from file or URL SYNOPSIS
resource imagecreatefrompng (string $filename) DESCRIPTION
imagecreatefrompng(3) returns an image identifier representing the image obtained from the given filename. Tip A URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen(3) for more details on how to specify the filename. See the "Supported Protocols and Wrappers" for links to information about what abilities the various wrappers have, notes on their usage, and information on any predefined variables they may provide. PARAMETERS
o $filename - Path to the PNG image. RETURN VALUES
Returns an image resource identifier on success, FALSE on errors. EXAMPLES
Example #1 Example to handle an error during loading of a PNG <?php function LoadPNG($imgname) { /* Attempt to open */ $im = @imagecreatefrompng($imgname); /* See if it failed */ if(!$im) { /* Create a blank image */ $im = imagecreatetruecolor(150, 30); $bgc = imagecolorallocate($im, 255, 255, 255); $tc = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, 150, 30, $bgc); /* Output an error message */ imagestring($im, 1, 5, 5, 'Error loading ' . $imgname, $tc); } return $im; } header('Content-Type: image/png'); $img = LoadPNG('bogus.image'); imagepng($img); imagedestroy($img); ?> The above example will output something similar to:[NOT DISPLAYABLE MEDIA]imagecreatefrompng() example PHP Documentation Group IMAGECREATEFROMPNG(3)
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IMAGESETBRUSH(3) 1 IMAGESETBRUSH(3) imagesetbrush - Set the brush image for line drawing SYNOPSIS
bool imagesetbrush (resource $image, resource $brush) DESCRIPTION
imagesetbrush(3) sets the brush image to be used by all line drawing functions (such as imageline(3) and imagepolygon(3)) when drawing with the special colors IMG_COLOR_BRUSHED or IMG_COLOR_STYLEDBRUSHED. PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3). o $brush - An image resource. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 imagesetbrush(3) example <?php // Load a mini php logo $php = imagecreatefrompng('./php.png'); // Create the main image, 100x100 $im = imagecreatetruecolor(100, 100); // Fill the background with white $white = imagecolorallocate($im, 255, 255, 255); imagefilledrectangle($im, 0, 0, 299, 99, $white); // Set the brush imagesetbrush($im, $php); // Draw a couple of brushes, each overlaying each imageline($im, 50, 50, 50, 60, IMG_COLOR_BRUSHED); // Output image to the browser header('Content-type: image/png'); imagepng($im); imagedestroy($im); imagedestroy($php); ?> The above example will output something similar to:[NOT DISPLAYABLE MEDIA]Output of example : imagesetbrush() NOTES
Note You need not take special action when you are finished with a brush, but if you destroy the brush image, you must not use the IMG_COLOR_BRUSHED or IMG_COLOR_STYLEDBRUSHED colors until you have set a new brush image! PHP Documentation Group IMAGESETBRUSH(3)