How to use PHP to achieve the paper-cut effect of pictures

How to use PHP to achieve the paper-cut effect of pictures

The paper-cut effect is a common image processing effect that can convert pictures into paper-cuts composed of multiple small shapes. Art work. In this article, we will introduce how to use PHP language to achieve the paper-cut effect of images, and attach corresponding code examples.

1. Preparation
Before we begin, we need to ensure that the PHP environment has been installed and configured. At the same time, we also need a source image as the processing object.

2. Code Implementation
The following is a code example for using PHP to achieve the image paper-cut effect:

<?php
// 设置源图片路径和保存路径
$sourcePath = 'source.jpg';
$savePath = 'result.jpg';

// 打开源图片
$sourceImage = imagecreatefromjpeg($sourcePath);

// 获取源图片的宽度和高度
$sourceWidth = imagesx($sourceImage);
$sourceHeight = imagesy($sourceImage);

// 创建一个新的空白图像
$resultImage = imagecreatetruecolor($sourceWidth, $sourceHeight);

// 设置剪纸图案的形状和颜色
$shape = array(
    array(0, 0),
    array(50, 50),
    array(100, 0)
);
$color = imagecolorallocate($resultImage, 255, 255, 255);

// 在新图像上绘制剪纸效果
for ($y = 0; $y < $sourceHeight; $y += 100) {
    for ($x = 0; $x < $sourceWidth; $x += 100) {
        imagefilledpolygon($resultImage, $shape, 3, $color);
        imagecopyresampled($resultImage, $sourceImage, $x, $y, $x, $y, 100, 100, 100, 100);
    }
}

// 保存剪纸效果图片
imagejpeg($resultImage, $savePath);

// 释放内存
imagedestroy($sourceImage);
imagedestroy($resultImage);

// 输出结果
echo '剪纸效果已成功生成并保存到' . $savePath;
?>

In the above code, we first open it through the imagecreatefromjpeg function Source image and get its width and height. We then use the imagecreatetruecolor function to create a blank image $resultImage that is the same size as the source image.

Next, we draw the paper-cut effect on $resultImage based on the customized paper-cut pattern shape and color. Here we use a simple triangle shape that is drawn at each specified interval in a loop.

Finally, we use the imagejpeg function to save the paper-cut effect image to the specified path and release the memory.

3. Running results
After running the above code, the paper-cut effect image will be saved in the specified save path. You can replace the source image with other image files, and modify the shape and color to achieve different paper-cut effects.

Summary
This article introduces how to use PHP language to achieve the paper-cut effect of pictures, and attaches the corresponding code examples. By modifying the shape, color and source image, you can easily create a variety of personalized paper-cut effect images. I hope this article can be helpful to your learning and practice in image processing!

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