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Re^4: Centering Text with GD::Image

by djlerman (Sexton)
on Nov 15, 2021 at 20:02 UTC ( #11138848=note: print w/replies, xml ) Need Help??


in reply to Re^3: Centering Text with GD::Image
in thread Centering Text with GD::Image

I think this is the specific code that worked for me. There are a few weird things at the end because I am using EMBPERL. This is on a CentOS release 6.5 build.
use GD; $first = "First Name"; $middle = "Middle Name"; $last = "Last Name"; $image = "/www/images/image.jpg"; $im = GD::Image->newFromJpeg($image); ($width, $height) = $im->getBounds(); $outim = new GD::Image($width, $height); $outim->copyResampled($im, 0, 0, 0, 0, $width, $height, $width, $heigh +t); # name $fgcolor = $outim->colorAllocate(0,0,0); $fontname = '/usr/share/fonts/dejavu/DejaVuSerif.ttf'; $ptsize = 20; $angle = 0; $x = 345; $y = 275; $string = ucfirst($first) . ($middle ne '' ? ' ' . ucfirst($middle +) : '') . ' ' . ucfirst($last); @bounds = new GD::Image->stringFT($fgcolor,$fontname,$ptsize,$angle,$x +,$y,$string); $left = ($outim->width() / 2) - (($bounds[2] - $bounds[0]) / 2) + 5; $top = ($outim->height() / 2) - ($bounds[7] - $bounds[1]) / 2; $outim->stringFT($fgcolor, $fontname,$ptsize,$angle,$left,$y,$string); + # make sure we are writing to a binary stream binmode STDOUT; select(STDOUT); $| = 1; undef $/; $http_headers_out{'Content-Type'} = "image/png"; $escmode = 0; print OUT $outim->png();

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Re^5: Centering Text with GD::Image
by Bod (Curate) on Nov 16, 2021 at 13:40 UTC

    Glad to hear you got it working 😊

    From the earlier comments about Indirect Object Syntax, I would suggest you change:

    $outim = new GD::Image($width, $height); ... @bounds = new GD::Image->stringFT($fgcolor,$fontname,$ptsize,$angle,$x +,$y,$string);
    and instead use
    $outim = GD::Image->new($width, $height); ... @bounds = GD::Image->new->stringFT($fgcolor,$fontname,$ptsize,$angle,$ +x,$y,$string);

    As a separate observation, I find this a little difficult to read and unneccesasy

    $string = ucfirst($first) . ($middle ne '' ? ' ' . ucfirst($middle +) : '') . ' ' . ucfirst($last);
    I would personally rewrite it as:
    $string = ucfirst($first) . ($middle ? ' ' . ucfirst($middle) : '' +) . ' ' . ucfirst($last);
    As an empty string $middle will test false.

    Because of the data I deal with, I also force names to be lowercase before adding the initial capital. You may not need to depending on your data and whether you consider names having legitimate capitals in them being a problem - like "O'Neil" (I should see if a module exists to deal with these and write one if not)

    $string = ucfirst(lc($first));

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