topnuomi
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water-mask
mirror of https://gitee.com/topnuomi/water-mask
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增加圆角处理

This commit is contained in:
TOP糯米 2023-06-29 16:19:36 +08:00
parent 16ba9f320f
commit 5c3387a468
2 changed files with 56 additions and 4 deletions
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59
ImageTool.php
View File

@ -48,6 +48,7 @@ class ImageTool
default:
$resource = null;
}
imagesavealpha($resource, true);
return $resource;
}
@ -63,9 +64,8 @@ class ImageTool
{
$options = array_merge([
'position' => [0, 0],
'pct' => 100,
], $options);
imagecopymerge(
imagecopy(
$resource,
$addResource,
$options['position'][0],
@ -73,8 +73,7 @@ class ImageTool
0,
0,
imagesx($addResource),
imagesy($addResource),
$options['pct']
imagesy($addResource)
);
return $resource;
@ -157,6 +156,58 @@ class ImageTool
return $targetResource;
}
/**
* 图片圆角处理
* @param $resource
* @param int $size
*/
public static function radius(&$resource, $size = 10)
{
$w = imagesx($resource);
$h = imagesy($resource);
if (empty($size)) {
$radius = min($w, $h) / 2;
} else {
$radius = $size / 2;
}
$img = imagecreatetruecolor($w, $h);
imagesavealpha($img, true);
$bg = imagecolorallocatealpha($img, 255, 255, 255, 127);
imagefill($img, 0, 0, $bg);
$r = $radius;
for ($x = 0; $x < $w; $x++) {
for ($y = 0; $y < $h; $y++) {
$rgbColor = imagecolorat($resource, $x, $y);
if (($x >= $radius && $x <= ($w - $radius)) || ($y >= $radius && $y <= ($h - $radius))) {
imagesetpixel($img, $x, $y, $rgbColor);
} else {
$yx = $r;
$yy = $r;
if (((($x - $yx) * ($x - $yx) + ($y - $yy) * ($y - $yy)) <= ($r * $r))) {
imagesetpixel($img, $x, $y, $rgbColor);
}
$yx = $w - $r;
$yy = $r;
if (((($x - $yx) * ($x - $yx) + ($y - $yy) * ($y - $yy)) <= ($r * $r))) {
imagesetpixel($img, $x, $y, $rgbColor);
}
$yx = $r;
$yy = $h - $r;
if (((($x - $yx) * ($x - $yx) + ($y - $yy) * ($y - $yy)) <= ($r * $r))) {
imagesetpixel($img, $x, $y, $rgbColor);
}
$yx = $w - $r;
$yy = $h - $r;
if (((($x - $yx) * ($x - $yx) + ($y - $yy) * ($y - $yy)) <= ($r * $r))) {
imagesetpixel($img, $x, $y, $rgbColor);
}
}
}
}
$resource = $img;
}
/**
* 保存图片
* @param $resource

1
main.php
View File

@ -8,6 +8,7 @@ $maskResource1 = ImageTool::createResourceFromFile('resource/mask.png');
$maskResource2 = ImageTool::createResourceFromFile('resource/mask.jpg');
$maskResource3 = ImageTool::createResourceFromFile('resource/base.jpg');
ImageTool::radius($maskResource1, 40);
// 合并图片
ImageTool::merge($baseResource, $maskResource1, [
'position' => [100, 100],