{"id":24867,"date":"2024-03-17T02:45:19","date_gmt":"2024-03-16T17:45:19","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e7%94%bb%e5%83%8f%e3%81%ab%e3%82%a6%e3%82%a9%e3%83%bc%e3%82%bf%e3%83%bc%e3%83%9e%e3%83%bc%e3%82%af%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f\/"},"modified":"2024-03-22T10:09:26","modified_gmt":"2024-03-22T01:09:26","slug":"java%e3%81%a7%e7%94%bb%e5%83%8f%e3%81%ab%e3%82%a6%e3%82%a9%e3%83%bc%e3%82%bf%e3%83%bc%e3%83%9e%e3%83%bc%e3%82%af%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e7%94%bb%e5%83%8f%e3%81%ab%e3%82%a6%e3%82%a9%e3%83%bc%e3%82%bf%e3%83%bc%e3%83%9e%e3%83%bc%e3%82%af%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f\/","title":{"rendered":"Java\u3067\u753b\u50cf\u306b\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\uff1f"},"content":{"rendered":"<p>Java\u3067\u753b\u50cf\u306b\u900f\u304b\u3057\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.awt.AlphaComposite;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.Font;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.Graphics2D;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.RenderingHints;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.image.BufferedImage;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.File;\r\n<span class=\"hljs-keyword\">import<\/span> javax.imageio.ImageIO;\r\n<\/code><\/pre>\n<ol>\n<li>\u5143\u753b\u50cf\u3068\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">BufferedImage<\/span> <span class=\"hljs-variable\">originalImage<\/span> <span class=\"hljs-operator\">=<\/span> ImageIO.read(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"original.jpg\"<\/span>));\r\n<span class=\"hljs-type\">BufferedImage<\/span> <span class=\"hljs-variable\">watermarkImage<\/span> <span class=\"hljs-operator\">=<\/span> ImageIO.read(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"watermark.png\"<\/span>));\r\n<\/code><\/pre>\n<ol>\n<li>\u5143\u306e\u753b\u50cf\u3068\u540c\u3058\u30b5\u30a4\u30ba\u306e\u65b0\u3057\u3044\u753b\u50cf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">BufferedImage<\/span> <span class=\"hljs-variable\">combinedImage<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">BufferedImage<\/span>(originalImage.getWidth(), originalImage.getHeight(), BufferedImage.TYPE_INT_RGB);\r\n<\/code><\/pre>\n<ol>\n<li>\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30a2\u30f3\u30c1\u30a8\u30a4\u30ea\u30a2\u30b7\u30f3\u30b0\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">Graphics2D<\/span> <span class=\"hljs-variable\">graphics<\/span> <span class=\"hljs-operator\">=<\/span> (Graphics2D) combinedImage.getGraphics();\r\ngraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);\r\ngraphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);\r\n<\/code><\/pre>\n<ol>\n<li>\u65b0\u3057\u3044\u753b\u50cf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5143\u306e\u753b\u50cf\u3092\u63cf\u753b\u3059\u308b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>graphics.drawImage(originalImage, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-literal\">null<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>\u65b0\u3057\u3044\u753b\u50cf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u900f\u660e\u5ea6\u3068\u4f4d\u7f6e\u3092\u8a2d\u5b9a\u3057\u3001\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u753b\u50cf\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">AlphaComposite<\/span> <span class=\"hljs-variable\">alphaComposite<\/span> <span class=\"hljs-operator\">=<\/span> AlphaComposite.getInstance(AlphaComposite.SRC_OVER, <span class=\"hljs-number\">0.5f<\/span>); <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u900f\u660e\u5ea6\u4e3a0.5<\/span>\r\ngraphics.setComposite(alphaComposite);\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">x<\/span> <span class=\"hljs-operator\">=<\/span> combinedImage.getWidth() - watermarkImage.getWidth() - <span class=\"hljs-number\">10<\/span>; <span class=\"hljs-comment\">\/\/ \u6c34\u5370\u56fe\u7247\u7684x\u5750\u6807<\/span>\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">y<\/span> <span class=\"hljs-operator\">=<\/span> combinedImage.getHeight() - watermarkImage.getHeight() - <span class=\"hljs-number\">10<\/span>; <span class=\"hljs-comment\">\/\/ \u6c34\u5370\u56fe\u7247\u7684y\u5750\u6807<\/span>\r\ngraphics.drawImage(watermarkImage, x, y, <span class=\"hljs-literal\">null<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>\u6c34\u5370\u306e\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>graphics.setFont(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Font<\/span>(<span class=\"hljs-string\">\"Arial\"<\/span>, Font.BOLD, <span class=\"hljs-number\">12<\/span>));\r\ngraphics.drawString(<span class=\"hljs-string\">\"watermark\"<\/span>, <span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>\u65b0\u3057\u3044\u753b\u50cf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ImageIO.write(combinedImage, <span class=\"hljs-string\">\"JPEG\"<\/span>, <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"result.jpg\"<\/span>));\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u306f\u5b8c\u5168\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.awt.AlphaComposite;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.Font;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.Graphics2D;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.RenderingHints;\r\n<span class=\"hljs-keyword\">import<\/span> java.awt.image.BufferedImage;\r\n<span class=\"hljs-keyword\">import<\/span> java.io.File;\r\n<span class=\"hljs-keyword\">import<\/span> javax.imageio.ImageIO;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">ImageWatermarkExample<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            <span class=\"hljs-type\">BufferedImage<\/span> <span class=\"hljs-variable\">originalImage<\/span> <span class=\"hljs-operator\">=<\/span> ImageIO.read(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"original.jpg\"<\/span>));\r\n            <span class=\"hljs-type\">BufferedImage<\/span> <span class=\"hljs-variable\">watermarkImage<\/span> <span class=\"hljs-operator\">=<\/span> ImageIO.read(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"watermark.png\"<\/span>));\r\n\r\n            <span class=\"hljs-type\">BufferedImage<\/span> <span class=\"hljs-variable\">combinedImage<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">BufferedImage<\/span>(originalImage.getWidth(), originalImage.getHeight(), BufferedImage.TYPE_INT_RGB);\r\n\r\n            <span class=\"hljs-type\">Graphics2D<\/span> <span class=\"hljs-variable\">graphics<\/span> <span class=\"hljs-operator\">=<\/span> (Graphics2D) combinedImage.getGraphics();\r\n            graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);\r\n            graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);\r\n\r\n            graphics.drawImage(originalImage, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-literal\">null<\/span>);\r\n\r\n            <span class=\"hljs-type\">AlphaComposite<\/span> <span class=\"hljs-variable\">alphaComposite<\/span> <span class=\"hljs-operator\">=<\/span> AlphaComposite.getInstance(AlphaComposite.SRC_OVER, <span class=\"hljs-number\">0.5f<\/span>);\r\n            graphics.setComposite(alphaComposite);\r\n\r\n            <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">x<\/span> <span class=\"hljs-operator\">=<\/span> combinedImage.getWidth() - watermarkImage.getWidth() - <span class=\"hljs-number\">10<\/span>;\r\n            <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">y<\/span> <span class=\"hljs-operator\">=<\/span> combinedImage.getHeight() - watermarkImage.getHeight() - <span class=\"hljs-number\">10<\/span>;\r\n            graphics.drawImage(watermarkImage, x, y, <span class=\"hljs-literal\">null<\/span>);\r\n\r\n            graphics.setFont(<span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">Font<\/span>(<span class=\"hljs-string\">\"Arial\"<\/span>, Font.BOLD, <span class=\"hljs-number\">12<\/span>));\r\n            graphics.drawString(<span class=\"hljs-string\">\"watermark\"<\/span>, <span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>);\r\n\r\n            ImageIO.write(combinedImage, <span class=\"hljs-string\">\"JPEG\"<\/span>, <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">File<\/span>(<span class=\"hljs-string\">\"result.jpg\"<\/span>));\r\n        } <span class=\"hljs-keyword\">catch<\/span> (Exception e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5143\u306e\u753b\u50cf\u3068\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u753b\u50cf\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u65b0\u3057\u3044\u753b\u50cf\u3068\u3057\u3066result.jpg\u3068\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002 original.jpg\u306f\u5143\u306e\u753b\u50cf\u3067\u3042\u308a\u3001watermark.png\u306f\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u753b\u50cf\u3067\u3042\u308a\u3001&#8221;watermark&#8221;\u306f\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u30c6\u30ad\u30b9\u30c8\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3084\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u306e\u4f4d\u7f6e\u3001\u900f\u660e\u5ea6\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5b9f\u969b\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u753b\u50cf\u306b\u900f\u304b\u3057\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002 import java.awt.AlphaComposite; import java.awt.Font;  [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-24867","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java\u3067\u753b\u50cf\u306b\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u753b\u50cf\u306b\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067\u753b\u50cf\u306b\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\uff1f\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u753b\u50cf\u306b\u900f\u304b\u3057\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002 import java.awt.AlphaComposite; import java.awt.Font; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u753b\u50cf\u306b\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta 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