Recent questions tagged gd

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gd - Generating image thumbnails using php - without running out of memory

I am currently using a php gd implementation to resize images which constantly runs out of memory - rather quickly. ... my php.ini memory limit? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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gd - How does "imagettfbbox()" in PHP work?

Could you please explain what exactly the return value of imagettfbbox() mean? The manual says: imagettfbbox() ... there are negative values? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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532 views

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gd - How to achieve a blur effect in PHP?

I've been looking for PHP code to apply a Gaussian blur to images. What I've done was like this: <?php ... and its blurring effect is very weak. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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738 views

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gd - php imagettftext letter spacing

Does anybody have a function that draws a ttf string (imagettftext) with specified letter spacing? I cannot find any ... font will be arial.ttf See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

1 answer

gd - How to achieve a blur effect in PHP?

I've been looking for PHP code to apply a Gaussian blur to images. What I've done was like this: <?php ... and its blurring effect is very weak. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

627 views

1 answer

gd - php imagettftext letter spacing

Does anybody have a function that draws a ttf string (imagettftext) with specified letter spacing? I cannot find any ... font will be arial.ttf See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

265 views

1 answer

gd - How can I add an image onto an image in PHP like a watermark

I am trying to write a small php function to take an image and apply a watermark type image on top of the ... well. return $image_ext; } ?> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

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gd - imagecreatefromjpeg and similar functions are not working in PHP

I've searched for this and the solutions provided in past questions are completely incomprehensible to me. Whenever I ... get what's going on. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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557 views

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gd - Cropping image in PHP

I'd like crop an image in PHP and save the file. I know your supposed to use the GD library but i'm not sure how. Any ideas? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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