{"id":87,"date":"2024-09-15T10:02:29","date_gmt":"2024-09-15T02:02:29","guid":{"rendered":"https:\/\/www.iyork.net\/?p=87"},"modified":"2024-09-15T10:11:49","modified_gmt":"2024-09-15T02:11:49","slug":"php-gd%e5%ba%93-%e6%93%8d%e4%bd%9c%e5%9b%be%e7%89%87","status":"publish","type":"post","link":"http:\/\/www.iyork.net\/index.php\/2024\/09\/15\/php-gd%e5%ba%93-%e6%93%8d%e4%bd%9c%e5%9b%be%e7%89%87\/","title":{"rendered":"PHP GD\u5e93 \u64cd\u4f5c\u56fe\u7247"},"content":{"rendered":"\n<p>\u5728\u539f\u59cb\u56fe\u7247\u4e0a\u589e\u52a0\u6587\u5b57\u3001\u56fe\u7247\u6c34\u5370\uff0c\u6ce8\u610f\u9700\u8981\u6253\u5f00GD\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6e05\u9664\u6240\u6709\u7f13\u51b2\u533a\u7684\u5185\u5bb9\nob_clean();\n\/\/ \u68c0\u67e5\u539f\u59cb\u56fe\u7247\u662f\u5426\u5b58\u5728\n$originalImagePath = '.\/static\/bg.png';\nif (!file_exists($originalImagePath)) {\n    die(\"Original image not found.\");\n}\n\/\/ \u52a0\u8f7d\u539f\u59cb\u56fe\u7247\n$originalImage = imagecreatefrompng($originalImagePath);\n\n\/\/ ==========\u4ee5\u4e0b\u4e3a\u6dfb\u52a0\u6587\u5b57============\n\/\/ 0 0 0 \u6587\u5b57\u989c\u8272 0-255\n$fontColor = imagecolorallocate($originalImage, 0, 0, 0);\n\/\/ \u8bbe\u7f6e\u5b57\u4f53\u5927\u5c0f\u548c\u4f4d\u7f6e\n$fontSize = 15;\n\/\/ \u6587\u672c\u7684\u4f4d\u7f6e\n$textX = 100;\n$textY = 100;\n\/\/ \u6dfb\u52a0\u6587\u672c\u5230\u56fe\u7247\u4e0a\uff0c\u5fc5\u987b\u4fdd\u8bc1 \u201c.\/static\/simhei.ttf\u201d \u5b57\u4f53\u6587\u4ef6\u5b58\u5728\nimagettftext($originalImage, $fontSize, 0, $textX, $textY, $fontColor, '.\/static\/simhei.ttf', '\u6d4b\u8bd5\u5b57\u4f53');\n\n\/\/ ==========\u4ee5\u4e0b\u4e3a\u6dfb\u52a0\u6c34\u5370\u56fe\u7247============\n$watermarkImagePath = '.\/static\/watermark.png';\nif (file_exists($watermarkImagePath)) {\n    \/\/ \u52a0\u8f7d\u6c34\u5370\u56fe\u7247\n    $watermarkImage = imagecreatefrompng($watermarkImagePath);\n    $watermarkWidth = imagesx($watermarkImage);\n    $watermarkHeight = imagesy($watermarkImage);\n    \/\/ \u8ba1\u7b97\u5e76\u8c03\u6574\u6c34\u5370\u56fe\u7247\u7684\u6bd4\u4f8b\u5927\u5c0f\n    $newWidth = 200;\n    $newHeight = ($watermarkHeight \/ $watermarkWidth) * $newWidth;\n    $newImage = imagecreatetruecolor($newWidth, $newHeight);\n    imagecopyresampled($newImage, $watermarkImage, 0, 0, 0, 0, $newWidth, $newHeight, $watermarkWidth, $watermarkHeight);\n    \/\/ \u6dfb\u52a0\u5230\u539f\u59cb\u56fe\u7247\u91cc\n    imagecopy($originalImage, $newImage, 110, 90, 0, 0, $newWidth, $newHeight);\n    \/\/ \u91ca\u653e\u8d44\u6e90\n    imagedestroy($newImage);\n    imagedestroy($watermarkImage);\n}\n\/\/ \u8bbe\u7f6e\u54cd\u5e94\u5934\u4e3a\u56fe\u50cf\u7c7b\u578b\nheader('Content-Type: image\/png');\n\/\/ \u8f93\u51fa\u56fe\u7247\nimagepng($originalImage);\nimagedestroy($originalImage);\nexit();<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u539f\u59cb\u56fe\u7247\u4e0a\u589e\u52a0\u6587\u5b57\u3001\u56fe\u7247\u6c34\u5370\uff0c\u6ce8\u610f\u9700\u8981\u6253\u5f00GD\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-87","post","type-post","status-publish","format-standard","hentry","category-code"],"_links":{"self":[{"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/posts\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/comments?post=87"}],"version-history":[{"count":6,"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/posts\/87\/revisions"}],"predecessor-version":[{"id":93,"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/posts\/87\/revisions\/93"}],"wp:attachment":[{"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/media?parent=87"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/categories?post=87"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.iyork.net\/index.php\/wp-json\/wp\/v2\/tags?post=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}