{"id":3504,"date":"2024-11-29T11:43:38","date_gmt":"2024-11-29T03:43:38","guid":{"rendered":"https:\/\/support.foxitsoftware.cn\/?p=3504"},"modified":"2025-03-07T11:19:14","modified_gmt":"2025-03-07T03:19:14","slug":"%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e5%a4%8d%e5%90%88%e5%af%b9%e8%b1%a1formxobjetct","status":"publish","type":"post","link":"https:\/\/support.fuxinsoft.cn\/?p=3504","title":{"rendered":"\u5982\u4f55\u4f7f\u7528FormXObject\u521b\u5efa\u548c\u7ba1\u7406\u590d\u5408\u5bf9\u8c61\uff1f"},"content":{"rendered":"\n

\u5728PDF\u6587\u6863\u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u5c06\u591a\u4e2a\u51e0\u4f55\u5bf9\u8c61\uff08\u5982\u56fe\u7247\u548c\u8def\u5f84\uff09\u5408\u5e76\u4e3a\u4e00\u4e2a\u7ec4\uff0c\u4ee5\u4fbf\u4e8e\u7edf\u4e00\u64cd\u4f5c\u3002FormXObject\u6b63\u662f\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u7684\u7406\u60f3\u5de5\u5177\u3002\u901a\u8fc7FormXObject\uff0c\u60a8\u53ef\u4ee5\u5c06\u591a\u4e2a\u5bf9\u8c61\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5e76\u5728\u9700\u8981\u65f6\u540c\u65f6\u9009\u4e2d\u548c\u64cd\u4f5c\u5b83\u4eec\u3002<\/p>\n\n\n\n

1. FormXObject\u7684\u57fa\u672c\u6982\u5ff5<\/h4>\n\n\n\n

FormXObject\u662fPDF\u4e2d\u7684\u4e00\u79cd\u590d\u5408\u5bf9\u8c61\uff0c\u5141\u8bb8\u60a8\u5c06\u591a\u4e2a\u56fe\u5f62\u5bf9\u8c61\uff08\u5982\u8def\u5f84\u3001\u56fe\u50cf\u7b49\uff09\u7ec4\u5408\u5728\u4e00\u8d77\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u60a8\u53ef\u4ee5\u7b80\u5316\u5bf9\u591a\u4e2a\u5bf9\u8c61\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u79fb\u52a8\u3001\u7f29\u653e\u6216\u5220\u9664\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

2. \u521b\u5efaFormXObject\u7684\u6b65\u9aa4<\/h4>\n\n\n\n

\u4ee5\u4e0b\u662f\u4f7f\u7528\u798f\u6615PDF SDK\u521b\u5efaFormXObject\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n

    \n
  • \u521d\u59cb\u5316PDF\u6587\u6863\u548c\u9875\u9762\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n\n\n\n
    PDFDoc doc = new PDFDoc();\ndoc.Load(null);\nPDFPage page = doc.InsertPage(0, PDFPage.Size.e_SizeA4);\npage.StartParse(0, null, true);<\/code><\/pre>\n\n\n\n
      \n
    • \u521b\u5efaFormXObject\u5e76\u6dfb\u52a0\u56fe\u5f62\u5bf9\u8c61\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n\n\n\n
      using (var formXObj = FormXObject.Create(doc))\n{\n    GraphicsObjects objects = formXObj.GetGraphicsObjects();\n    long position = objects.GetLastGraphicsObjectPosition(GraphicsObject.Type.e_TypeAll);\n\n    \/\/ \u6dfb\u52a0\u8def\u5f84\u5bf9\u8c61\n    using (var path_object = PathObject.Create())\n    {\n        using (var path = new foxit.common.Path())\n        {\n            path.MoveTo(new PointF(400, 500));\n            path.LineTo(new PointF(500, 500));\n            path.LineTo(new PointF(500, 400));\n            path.LineTo(new PointF(400, 400));\n            path.LineTo(new PointF(400, 500));\n            path_object.SetPathData(path);\n\n            path_object.SetFillColor(0xFF000000);\n            path_object.SetFillMode(FillMode.e_FillModeAlternate);\n            path_object.SetStrokeState(true);\n            path_object.SetStrokeColor(0xFFFF00FF);\n            position = objects.InsertGraphicsObject(position, path_object);\n        }\n    }\n\n    \/\/ \u6dfb\u52a0\u56fe\u7247\u5bf9\u8c61\n    using (var image_object = ImageObject.Create(doc))\n    {\n        foxit.common.Image image = new foxit.common.Image(input_path + \"sdk.png\");\n        image_object.SetImage(image, 0);\n\n        float width = image.GetWidth() \/ 2;\n        float height = image.GetHeight() \/ 2;\n        float page_width = page.GetWidth();\n        float page_height = page.GetHeight();\n\n        image_object.SetMatrix(new Matrix2D(width, 0, 0, height, page_width \/ 2 - width, page_height \/ 2 - height));\n        objects.InsertGraphicsObject(position, image_object);\n    }\n\n    \/\/ \u751f\u6210\u5185\u5bb9\u5e76\u8bbe\u7f6eFormXObject\u7684\u5c5e\u6027\n    objects.GenerateContent();\n    formXObj.SetMatrix(new Matrix2D(1, 0, 0, 1, 0, 0));\n    formXObj.SetClipRect(new RectF(0, 0, page.GetWidth(), page.GetHeight()));\n    formXObj.GetStream().GetDictionary().SetAtRect(\"BBox\", formXObj.GetRect());\n\n    \/\/ \u5c06FormXObject\u63d2\u5165\u9875\u9762\n    page.InsertGraphicsObject(page.GetLastGraphicsObjectPosition(GraphicsObject.Type.e_TypeAll), formXObj);\n}<\/code><\/pre>\n\n\n\n
        \n
      • \u4fdd\u5b58\u6587\u6863\uff1a<\/li>\n<\/ul>\n\n\n\n
        page.GenerateContent();\ndoc.SaveAs(@\"D:\\test\\test_formx.pdf\", 0);<\/code><\/pre>\n\n\n\n
        3. \u4f7f\u7528FormXObject\u7684\u4f18\u52bf<\/h4>\n\n\n\n
          \n
        • \u7edf\u4e00\u64cd\u4f5c<\/strong>\uff1a\u901a\u8fc7\u5c06\u591a\u4e2a\u5bf9\u8c61\u7ec4\u5408\u6210\u4e00\u4e2aFormXObject\uff0c\u60a8\u53ef\u4ee5\u540c\u65f6\u5bf9\u5b83\u4eec\u8fdb\u884c\u64cd\u4f5c\uff0c\u800c\u65e0\u9700\u9010\u4e2a\u9009\u62e9\u3002<\/li>\n\n\n\n
        • \u7b80\u5316\u7ba1\u7406<\/strong>\uff1aFormXObject\u4f7f\u5f97\u590d\u6742\u56fe\u5f62\u7684\u7ba1\u7406\u66f4\u52a0\u7b80\u5355\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u9891\u7e41\u8c03\u6574\u591a\u4e2a\u5bf9\u8c61\u65f6\u3002<\/li>\n\n\n\n
        • \u63d0\u9ad8\u6548\u7387<\/strong>\uff1a\u5728\u5904\u7406\u5927\u91cf\u56fe\u5f62\u5bf9\u8c61\u65f6\uff0cFormXObject\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n
          4. \u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\n
            \n
          • \u9012\u5f52\u904d\u5386<\/strong>\uff1a\u5728\u904d\u5386PDF\u6587\u6863\u4e2d\u7684\u51e0\u4f55\u5bf9\u8c61\u65f6\uff0c\u5e94\u9012\u5f52\u5904\u7406FormXObject\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u5d4c\u5957\u5bf9\u8c61\u90fd\u88ab\u6b63\u786e\u5904\u7406\u3002<\/li>\n\n\n\n
          • \u6027\u80fd\u4f18\u5316<\/strong>\uff1a\u5728\u5904\u7406\u5927\u578b\u6587\u6863\u65f6\uff0c\u5408\u7406\u4f7f\u7528FormXObject\u53ef\u4ee5\u4f18\u5316\u6027\u80fd\uff0c\u51cf\u5c11\u8d44\u6e90\u6d88\u8017\u3002<\/li>\n<\/ul>\n\n\n\n
            \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u548c\u7ba1\u7406FormXObject\uff0c\u4ece\u800c\u66f4\u9ad8\u6548\u5730\u5904\u7406PDF\u6587\u6863\u4e2d\u7684\u590d\u6742\u56fe\u5f62\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728PDF\u6587\u6863\u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u5c06\u591a\u4e2a\u51e0\u4f55\u5bf9\u8c61\uff08\u5982\u56fe\u7247\u548c\u8def\u5f84\uff09\u5408\u5e76\u4e3a\u4e00\u4e2a\u7ec4\uff0c\u4ee5\u4fbf\u4e8e\u7edf\u4e00\u64cd\u4f5c\u3002FormXObject […]<\/p>\n","protected":false},"author":31,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[285,287,288,286,289],"class_list":["post-3504","post","type-post","status-publish","format-standard","hentry","category-gsdk","tag-formxobject","tag-287","tag-288","tag-286","tag-289"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","_links":{"self":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/3504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3504"}],"version-history":[{"count":4,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/3504\/revisions"}],"predecessor-version":[{"id":4680,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/3504\/revisions\/4680"}],"wp:attachment":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}