{"id":462,"date":"2023-05-10T13:32:59","date_gmt":"2023-05-10T05:32:59","guid":{"rendered":"https:\/\/www.cuishaofeng.com\/?p=462"},"modified":"2024-10-22T14:41:13","modified_gmt":"2024-10-22T06:41:13","slug":"delphi-timage-%e4%bb%8b%e7%bb%8d%e5%92%8c%e6%93%8d%e4%bd%9c1%ef%bc%88%e5%9b%be%e7%89%87%e5%88%a4%e6%96%ad%e3%80%81%e6%b8%85%e7%a9%ba%e3%80%81%e7%b1%bb%e5%9e%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.cuishaofeng.com\/?p=462","title":{"rendered":"Delphi Timage \u4ecb\u7ecd\u548c\u64cd\u4f5c[1]\uff08\u56fe\u7247\u5224\u65ad\u3001\u6e05\u7a7a\u3001\u7c7b\u578b\uff09"},"content":{"rendered":"<div id=\"core-ai-summary-tool\"><\/div>\n<p><strong>Delphi Timage \u64cd\u4f5c\uff08\u56fe\u7247\u5224\u65ad\u3001\u6e05\u7a7a\u3001\u7c7b\u578b\uff09<\/strong><\/p>\n\n\n\n<p><strong>1\u3001Timage&nbsp;\u4ecb\u7ecd<\/strong><\/p>\n\n\n\n<p>1.1 \u4ecb\u7ecd<\/p>\n\n\n\n<p>TImage \u7ec4\u4ef6\u7684\u7684\u4f7f\u7528\uff0c\u4e3b\u8981\u529f\u80fd\u662f\u663e\u793a\u56fe\u50cf\u3001\u7f8e\u5316\u754c\u9762\u3002TImage \u7ec4\u4ef6\u7ecf\u5e38\u548cTPanel \u7ec4\u4ef6\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5TPanel \u7ec4\u4ef6\u7684\u8fb9\u6846\u6765\u5212\u5206TImage \u7ec4\u4ef6\u7684\u8fb9\u754c\u3002\u5728Image \u7ec4\u4ef6\u8c03\u7528\u56fe\u7247\u65f6\uff0c\u53ef\u4ee5\u5229\u7528Picture \u5c5e\u6027\u8fdb\u884c\u6307\u5b9a\uff0c\u4e5f\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u7528Picture.LoadFromFile()\u65b9\u6cd5\u8fdb\u884c\u8c03\u5165\u3002\u5229\u7528Picture.SaveToFile()\u65b9\u6cd5\u53ef\u4ee5\u5c06TImage \u7ec4\u4ef6\u7684\u5f53\u524d\u663e\u793a\u5185\u5bb9\u4fdd\u5b58\u4e3a\u4e00\u4e2a\u56fe\u50cf\u6587\u4ef6\u3002<\/p>\n\n\n\n<p>1.2 \u5c5e\u6027<\/p>\n\n\n\n<ul>\n<li>AutoSize \/\/\u5982\u679c\u6b64\u5c5e\u6027\u8bbe\u7f6e\u4e3aTrue\uff0cTImage \u7ec4\u4ef6\u5c06\u81ea\u52a8\u8c03\u6574\u5c3a\u5bf8\uff0c\u4ee5\u9002\u5e94\u56fe\u50cf\u7684\u5927\u5c0f<\/li>\n\n\n\n<li>Canvas \/\/\u6b64\u5c5e\u6027\u8fd4\u56de\u56fe\u50cf\u7684\u753b\u5e03\uff0c\u662f\u672c\u7ec4\u4ef6\u91cd\u8981\u7684\u5c5e\u6027\uff0c\u5c06\u5728\u540e\u9762\u7684\u7ae0\u8282\u4e2d\u8be6\u7ec6\u4ecb\u7ecd<\/li>\n\n\n\n<li>Center \/\/\u5982\u679c\u6b64\u5c5e\u6027\u8bbe\u7f6e\u4e3aTrue\uff0c\u56fe\u50cf\u5c06\u5c45\u4e2d\u663e\u793a<\/li>\n\n\n\n<li>Picture \/\/\u7528\u4e8e\u6307\u5b9aTImage \u7ec4\u4ef6\u4e0a\u8981\u663e\u793a\u7684\u56fe\u50cf<\/li>\n\n\n\n<li>Proportional \/\/\u5982\u679c\u6b64\u5c5e\u6027\u8bbe\u7f6e\u4e3aTrue\uff0c\u56fe\u50cf\u7684\u5c3a\u5bf8\u5c06\u6309\u539f\u6765\u957f\u5bbd\u7684\u6bd4\u4f8b\u81ea\u52a8\u8c03\u6574<\/li>\n\n\n\n<li>Stretch \/\/\u5982\u679c\u6b64\u5c5e\u6027\u8bbe\u7f6e\u4e3aTrue\uff0c\u56fe\u50cf\u7684\u5c3a\u5bf8\u5c06\u81ea\u52a8\u8c03\u6574\u5e76\u4e14\u603b\u662f\u6491\u6ee1\u6574\u4e2aTImage \u7ec4\u4ef6<\/li>\n\n\n\n<li>Transparent \/\/\u5982\u679c\u6b64\u5c5e\u6027\u8bbe\u4e3aTrue\uff0c\u56fe\u50cf\u4e3a\u900f\u660e\u7684\uff0c\u53ea\u9002\u5408\u7528\u4e8e\u56fe\u50cf\u662fBMP \u683c\u5f0f<\/li>\n<\/ul>\n\n\n\n<p><strong>2\u3001\u64cd\u4f5c<\/strong><\/p>\n\n\n\n<p>\u5224\u65ad\u662f\u5426\u6709\u56fe\u7247\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>12<\/td><td><code>if<\/code>&nbsp;<code>Image1.Picture.Graphic=nil<\/code>&nbsp;<code>then<\/code>&nbsp;<code>showmessage('\u56fe');<\/code><br><code>if<\/code>&nbsp;<code>Image1.Picture.Bitmap.Empty&nbsp;then<\/code>&nbsp;<code>showmessage('\u65e0\u56fe');&nbsp;&nbsp;\/\/\u53ea\u5bf9bitmap\u56fe\u6709\u6548<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6e05\u7a7a\u56fe\u7247\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<\/td><td><code>Image1<\/code><code>.<\/code><code>Picture<\/code><code>.<\/code><code>Graphic =&nbsp;<\/code><code>nil<\/code><code>;&nbsp;&nbsp;&nbsp;<\/code><code>\/\/\u6e05\u7a7a<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5224\u65ad\u56fe\u7247\u7c7b\u578b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<br>2<\/td><td><code>Image1.Picture.Graphic&nbsp;is<\/code>&nbsp;<code>TBitmap&nbsp;&nbsp;\/\/bmp<\/code><br><code>Image1.Picture.Graphic&nbsp;is<\/code>&nbsp;<code>TJPEGImage&nbsp;\/\/jpg<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u52a0\u8f7d\u548c\u4fdd\u5b58\u56fe\u7247\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>1<br>2<\/td><td><code>Image1.Picture.LoadFromFile(const<\/code>&nbsp;<code>Filename:String);&nbsp;&nbsp;&nbsp;\/\/<\/code>\u6253\u5f00\u56fe\u7247<br><code>Image1.Picture.SaveToFile(const<\/code>&nbsp;<code>Filename:String);&nbsp;&nbsp;&nbsp;\/\/\u4fdd\u5b58\u56fe\u50cf<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Delphi Timage \u64cd\u4f5c\uff08\u56fe\u7247\u5224\u65ad\u3001\u6e05\u7a7a\u3001\u7c7b\u578b\uff09 1\u3001Timage&nbsp;\u4ecb\u7ecd 1.1 \u4ecb\u7ecd TImage \u7ec4\u4ef6\u7684\u7684\u4f7f\u7528\uff0c\u4e3b\u8981\u529f\u80fd\u662f\u663e\u793a\u56fe\u50cf\u3001\u7f8e\u5316\u754c\u9762\u3002TImage \u7ec4\u4ef6\u7ecf\u5e38\u548cTPanel \u7ec4\u4ef6\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5TPanel \u7ec4\u4ef6\u7684\u8fb9&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[75],"topic":[],"_links":{"self":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/462"}],"collection":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=462"}],"version-history":[{"count":3,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/462\/revisions"}],"predecessor-version":[{"id":467,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=\/wp\/v2\/posts\/462\/revisions\/467"}],"wp:attachment":[{"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=462"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.cuishaofeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}