PHP gives a text box using PostScript Type1 font

php editor Banana will introduce to you how to use PostScript Type1 font to create text boxes in PHP. PostScript Type1 font is a high-quality font format that can make text appear clearer and more beautiful on web pages. Through PHP, you can easily create the effect of text boxes using PostScript Type1 fonts in web pages, adding unique visual effects to the page. Next, we’ll explain how to do it in detail so that you can easily master this technique.

Create a text box using PostScript Type1 font

introduction

PostScript Type1 fonts are scalable fonts that can be used to create high-quality text. In php, you can use the imagettftext() function in conjunction with a Type1 font file to create a text box.

Create text box

In order to create a text box, you need to perform the following steps:

1. Create an image canvas: Use the imagecreatetruecolor() function to create a new image and assign it a background color.
2. Load fonts: Use the imagettfbbox() function to load Type1 font files.
3. Calculate text borders: Use the $box parameter of the imagettftext() function to calculate the text border.
4. Draw the border: Use the imagerectangle() function to draw the text border.
5. Rendering text: Use the imagettftext() function to render text and specify the font, size, color and position.

Code Example

The following code example demonstrates how to create a text box using a Type1 font:

<?php

//Create image canvas
$image = imagecreatetruecolor(500, 500);
imagefill($image, 0, 0, 0);

//Load font
$font = imagettfbbox(20, 0, "path/to/font.ttf");

// Calculate text boundaries
$text = "This is a text box";
$box = imagettftext(NULL, 20, 0, 100, 100, 0x00FF00, "path/to/font.ttf", $text);

// draw border
imagerectangle($image, $box[0], $box[1], $box[2], $box[3], 0x0000FF);

// render text
imagettftext($image, 20, 0, 100, 100, 0x00FF00, "path/to/font.ttf", $text);

//output image
header("Content-Type: image/png");
imagepng($image);
imagedestroy($image);

?>

Custom text box

You can customize the text box using the following parameters:

• $size：Font size
• $angle：Text rotation angle
• $color：Text color
• $font：Font file path
• $text：Text to render

Precautions

• Make sure Type1 font files are installed correctly.
• Type1 fonts may be incompatible with some systems.
• Adjust the $size and $angle parameters to get the desired look.
• Using the imagettfbbox() function to calculate the text border is critical to setting the correct position and size.
• Using the imagerectangle() function to draw the border is optional and can be customized as needed.

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