imagepsbbox(3) [php man page]
IMAGEPSBBOX(3) 1 IMAGEPSBBOX(3) imagepsbbox - Give the bounding box of a text rectangle using PostScript Type1 fonts SYNOPSIS
array imagepsbbox (string $text, resource $font, int $size) DESCRIPTION
array imagepsbbox (string $text, resource $font, int $size, int $space, int $tightness, float $angle) Gives the bounding box of a text rectangle using PostScript Type1 fonts. The bounding box is calculated using information available from character metrics, and unfortunately tends to differ slightly from the results achieved by actually rasterizing the text. If the angle is 0 degrees, you can expect the text to need 1 pixel more to every direc- tion. PARAMETERS
o $text - The text to be written. o $font_index - A font resource, returned by imagepsloadfont(3). o $size -$size is expressed in pixels. o $space - Allows you to change the default value of a space in a font. This amount is added to the normal value and can also be negative. Expressed in character space units, where 1 unit is 1/1000th of an em-square. o $tightness -$tightness allows you to control the amount of white space between characters. This amount is added to the normal character width and can also be negative. Expressed in character space units, where 1 unit is 1/1000th of an em-square. o $angle -$angle is in degrees. RETURN VALUES
Returns an array containing the following elements: +--+--------------------+ |0 | | | | | | | left x-coordinate | | | | |1 | | | | | | | upper y-coordinate | | | | |2 | | | | | | | right x-coordinate | | | | |3 | | | | | | | lower y-coordinate | | | | +--+--------------------+ EXAMPLES
Example #1 imagepsbbox(3) usage <?php // Create image handle $im = imagecreatetruecolor(200, 200); // Allocate colors $black = imagecolorallocate($im, 0, 0, 0); $white = imagecolorallocate($im, 255, 255, 255); // Load the PostScript Font $font = imagepsloadfont('font.pfm'); // Make a bounding box for the font $bbox = imagepsbbox('Sample text is simple', $font, 12); // Define our X and Y cordinates $x = ($bbox[2] / 2) - 10; $y = ($bbox[3] / 2) - 10; // Write the font to the image imagepstext($im, 'Sample text is simple', $font, 12, $black, $white, $x, $y); // Output and free memory header('Content-type: image/png'); imagepng($im); imagedestroy($im); ?> CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 7.0.0 | | | | | | | T1Lib support was removed from PHP, thrus remov- | | | ing this function. | | | | +--------+---------------------------------------------------+ NOTES
Note This function is only available if PHP is compiled using --with-t1lib[=DIR]. SEE ALSO
imagepstext(3). PHP Documentation Group IMAGEPSBBOX(3)
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IMAGETTFTEXT(3) 1 IMAGETTFTEXT(3) imagettftext - Write text to the image using TrueType fonts SYNOPSIS
array imagettftext (resource $image, float $size, float $angle, int $x, int $y, int $color, string $fontfile, string $text) DESCRIPTION
Writes the given $text into the image using TrueType fonts. PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3). o $size -The font size. Depending on your version of GD, this should be specified as the pixel size (GD1) or point size (GD2). o $angle - The angle in degrees, with 0 degrees being left-to-right reading text. Higher values represent a counter-clockwise rotation. For example, a value of 90 would result in bottom-to-top reading text. o $x - The coordinates given by $x and $y will define the basepoint of the first character (roughly the lower-left corner of the char- acter). This is different from the imagestring(3), where $x and $y define the upper-left corner of the first character. For exam- ple, "top left" is 0, 0. o $y - The y-ordinate. This sets the position of the fonts baseline, not the very bottom of the character. o $color - The color index. Using the negative of a color index has the effect of turning off antialiasing. See imagecolorallocate(3). o $fontfile - The path to the TrueType font you wish to use. Depending on which version of the GD library PHP is using, when $fontfile does not begin with a leading / then .ttf will be appended to the filename and the library will attempt to search for that filename along a library-defined font path. When using versions of the GD library lower than 2.0.18, a space character, rather than a semicolon, was used as the 'path separator' for different font files. Unintentional use of this feature will result in the warning message: Warning: Could not find/open font. For these affected versions, the only solution is moving the font to a path which does not contain spaces. In many cases where a font resides in the same directory as the script using it the following trick will alleviate any include problems. <?php // Set the enviroment variable for GD putenv('GDFONTPATH=' . realpath('.')); // Name the font to be used (note the lack of the .ttf extension) $font = 'SomeFont'; ?> o $text - The text string in UTF-8 encoding. May include decimal numeric character references (of the form: €) to access characters in a font beyond position 127. The hexadecimal format (like ©) is supported. Strings in UTF-8 encoding can be passed directly. Named entities, such as ©, are not supported. Consider using html_entity_decode(3) to decode these named entities into UTF-8 strings. If a character is used in the string which is not supported by the font, a hollow rectangle will replace the character. RETURN VALUES
Returns an array with 8 elements representing four points making the bounding box of the text. The order of the points is lower left, lower right, upper right, upper left. The points are relative to the text regardless of the angle, so "upper left" means in the top left- hand corner when you see the text horizontally. Returns FALSE on error. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.2.0 | | | | | | | It is now possible to specify an hexadecimal | | | entity in $text. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 imagettftext(3) example This example script will produce a white PNG 400x30 pixels, with the words "Testing..." in black (with grey shadow), in the font Arial. <?php // Set the content-type header('Content-Type: image/png'); // Create the image $im = imagecreatetruecolor(400, 30); // Create some colors $white = imagecolorallocate($im, 255, 255, 255); $grey = imagecolorallocate($im, 128, 128, 128); $black = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, 399, 29, $white); // The text to draw $text = 'Testing...'; // Replace path by your own font path $font = 'arial.ttf'; // Add some shadow to the text imagettftext($im, 20, 0, 11, 21, $grey, $font, $text); // Add the text imagettftext($im, 20, 0, 10, 20, $black, $font, $text); // Using imagepng() results in clearer text compared with imagejpeg() imagepng($im); imagedestroy($im); ?> The above example will output something similar to:[NOT DISPLAYABLE MEDIA]Output of example : imagettftext() NOTES
Note This function requires both the GD library and the FreeType library. SEE ALSO
imagettfbbox(3). PHP Documentation Group IMAGETTFTEXT(3)