{"id":2431,"date":"2018-09-09T10:35:37","date_gmt":"2018-09-09T01:35:37","guid":{"rendered":"https:\/\/caddiary.com\/?p=2431"},"modified":"2020-06-20T16:04:36","modified_gmt":"2020-06-20T07:04:36","slug":"pdfium%e7%ac%ac2%e5%bc%be%e3%81%afpdf%e3%82%92%e7%94%bb%e5%83%8f%e5%8c%96%e3%81%99%e3%82%8bwindows%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a0%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7","status":"publish","type":"post","link":"https:\/\/caddiary.com\/?p=2431","title":{"rendered":"PDFium\u7b2c2\u5f3e\u306fPDF\u3092\u753b\u50cf\u5316\u3059\u308bWindows\u30d5\u30a9\u30fc\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u308a"},"content":{"rendered":"

\u300cPDFium Viewer\u306b\u3088\u308bPDF\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u30a4\u30b1\u3066\u308b\u300d<\/a>\u3067\u306f\u3001\u6700\u4f4e\u9650\u306eWindows\u30d5\u30a9\u30fc\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u3063\u305f\u308f\u3051\u3060\u304c\u3001\u305d\u306e\u7b2c2\u5f3e\u306f\u666e\u901a\u306e\u4eba\uff08\u975e\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\uff09\u3067\u3082\u4f7f\u3048\u308bPDF\u306e\u753b\u50cf\u5909\u63db\u30a2\u30d7\u30ea\u307e\u3067\u4ed5\u4e0a\u3052\u3066\u307f\u305f\u3002
\n\"\"<\/a><\/p>\n

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\n\u672c\u30bd\u30d5\u30c8\u306f\u30d5\u30ea\u30fc\u30bd\u30d5\u30c8\u3067\u3059\u3002\u500b\u4eba\uff0f\u56e3\u4f53\uff0f\u793e\u5185\u5229\u7528\u3092\u554f\u308f\u305a\u3001\u3054\u81ea\u7531\u306b\u304a\u4f7f\u3044\u4e0b\u3055\u3044\u3002\u306a\u304a\uff0c\u8457\u4f5c\u6a29\u306f\u4f5c\u8005\u3067\u3042\u308b caddiary \u304c\u4fdd\u6709\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u305f\u3053\u3068\u306b\u3088\u3063\u3066\u751f\u3058\u305f\u3059\u3079\u3066\u306e\u969c\u5bb3\u30fb\u640d\u5bb3\u30fb\u4e0d\u5177\u5408\u7b49\u306b\u95a2\u3057\u3066\u306f\u3001\u79c1\u3068\u79c1\u306e\u95a2\u4fc2\u8005\u304a\u3088\u3073\u79c1\u306e\u6240\u5c5e\u3059\u308b\u3044\u304b\u306a\u308b\u56e3\u4f53\u30fb\u7d44\u7e54\u3068\u3082\u3001\u4e00\u5207\u306e\u8cac\u4efb\u3092\u8ca0\u3044\u307e\u305b\u3093\u3002\u5404\u81ea\u306e\u8cac\u4efb\u306b\u304a\u3044\u3066\u3054\u4f7f\u7528\u304f\u3060\u3055\u3044\u3002<\/a><\/p>\n

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\n\u25cf\u5909\u63db\u7d50\u679c
\n\u6210\u529f\u304b\u5931\u6557\u3092\u8868\u793a\u3002
\n\u25cf\u7d50\u679c\u8a73\u7d30
\n\u5931\u6557\u6642\u306e\u539f\u56e0\u3092\u8868\u793a\u3002\u5165\u529b\u5024\u306e\u30c1\u30a7\u30c3\u30af\u304c\u4e2d\u5fc3\u3067\u3001PDFium\u3084\u753b\u50cf\u51e6\u7406\u306e\u3042\u305f\u308a\u306ftry,catch\u3067\u4f8b\u5916\u30a8\u30e9\u30fc\u3068\u3057\u305f\u3060\u3051\u3002
\n\u25cf\u6240\u8981\u6642\u9593
\n\u30b9\u30bf\u30fc\u30c8\u304b\u3089\u7d42\u4e86\u307e\u3067\u306e\u6642\u9593\u8a08\u6e2c\u3057\u3066\u30df\u30ea\u79d2\u5358\u4f4d\u307e\u3067\u8868\u793a\u3002<\/p>\n

\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u3001\u4e3b\u8981\u306a\u3068\u3053\u308d\uff08\u753b\u50cf\u5909\u63db\u30dc\u30bf\u30f3\u62bc\u4e0b\u6642\u51e6\u7406\uff09\u3060\u3051\u516c\u958b\u3059\u308b\u3002PDFium\u306e\u51e6\u7406\u306f\u5168\u4f53\u306e\u4e2d\u306e\u307b\u3093\u306e\u4e00\u90e8\u3067\u3001Load\u30fbPageSizes\u30fbRender\u30fbDispose\u306e4\u3064\u3060\u3051\u3002Load\u3067\u8aad\u307f\u8fbc\u3093\u3067\u3001PageSizes\u3067\u30da\u30fc\u30b8\u3054\u3068\u306e\u7528\u7d19\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3057\u3066\u30d4\u30af\u30bb\u30eb\u6570\u306b\u53cd\u6620\u3001Render\u3067Image\u5316\u3057\u3066\u3001Dispose\u3067\u30d5\u30a1\u30a4\u30eb\u30ed\u30c3\u30af\u89e3\u9664\u3002\u3053\u306e\u30ec\u30d9\u30eb\u3060\u3063\u305f\u3089\u77ed\u6642\u9593\u3067\u7d44\u3081\u308b\u30ec\u30d9\u30eb\u3060\u3063\u305f\u304c\u3001\u305d\u3053\u306b\u5404\u7a2e\u753b\u50cf\u5f62\u5f0f\u306e\u4fdd\u5b58\u3092\u76db\u308a\u8fbc\u3093\u3060\u306e\u304c\u82e6\u52b4\u306e\u30dd\u30a4\u30f3\u30c8\uff08\u3053\u3053\u306f\u30bd\u30fc\u30b9\u516c\u958b\u305b\u305a\uff09\u3002Jpeg\u306e\u54c1\u8cea\u3092\u8003\u616e\u3057\u305f\u4fdd\u5b58\u306f\u5e8f\u306e\u53e3\u3067\u3001\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u306f\u30cd\u30c3\u30c8\u306b\u843d\u3061\u3066\u3044\u305f\u304b\u3089\u305d\u306e\u307e\u307e\u9069\u7528\u3057\u305f\u3002\u767d\u9ed22\u5024\u304c\u6700\u3082\u82e6\u52b4\u3057\u305f\u3002\u6700\u521d\u306b\u898b\u3064\u3051\u305f\u30b5\u30a4\u30c8\u306e\u3084\u308a\u53e3\u3067\u3084\u3063\u305f\u3089\u5909\u63db\u30b9\u30d4\u30fc\u30c9\u304c\u51fa\u305a\u3001\u3055\u3089\u306b\u8abf\u3079\u3066\u300c.NET\u306b\u3088\u308b\u753b\u50cf\u51e6\u7406\u306e\u9ad8\u901f\u5316Tips\uff1a\u975eunsafe\u7de8<\/a>\u300d\u306b\u305f\u3069\u308a\u7740\u3044\u305f\u3002Bitmap::GetPixcel\u304c\u9045\u3044\u539f\u56e0\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u7d20\u6674\u3089\u3057\u3044\u8a18\u4e8b\u3060\u3063\u305f\u3002\u4eca\u5f8c\u3082\u304a\u4e16\u8a71\u306b\u306a\u308b\u3053\u3068\u3060\u308d\u3046\u3002<\/p>\n

\r\nprivate void button2_Click(object sender, EventArgs e)\r\n{\r\n    \/\/ \u7d50\u679c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u521d\u671f\u5316\r\n    UpdateResult("", "");\r\n    textBox5.Text = "";\r\n    Update();\r\n\r\n    \/\/ \u5165\u529b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30c1\u30a7\u30c3\u30af\r\n    int type = comboBox1.SelectedIndex;\r\n    string strSrc = textBox1.Text;\r\n    string strKzd = comboBox2.Text;\r\n    float kzd = 0;\r\n    string strQuality = textBox4.Text;\r\n    int quality = 0;\r\n    string strSki = textBox6.Text;\r\n    int ski = 0;\r\n    if (!CheckCntrol(type, strSrc, strKzd, ref kzd, strQuality, ref quality, strSki, ref ski))\r\n        return;\r\n\r\n    \/\/ \u5909\u63db\u5148\u30d5\u30a1\u30a4\u30eb\u540d\r\n    int pos = strSrc.LastIndexOf('.');\r\n    string strDst = strSrc.Substring(0, pos) + "[{0}]";\r\n    if (type == 0 || type == 1 || type == 2)\r\n        strDst += ".bmp";\r\n    else if (type == 3)\r\n        strDst += ".jpg";\r\n    else if (type == 4)\r\n        strDst += ".png";\r\n    else\r\n        return;\r\n\r\n    \/\/ Wait\u30ab\u30fc\u30bd\u30eb\r\n    Cursor preCursor = Cursor.Current;\r\n    Cursor.Current = Cursors.WaitCursor;\r\n\r\n    \/\/ \u6642\u9593\u8a08\u6e2c\u958b\u59cb\r\n    System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();\r\n    sw.Start();\r\n\r\n    \/\/ \u753b\u50cf\u5909\u63db\r\n    bool stat = true;\r\n    try\r\n    {\r\n        pdfDoc = PdfDocument.Load(strSrc);\r\n        for (int i = 0; i &lt; pdfDoc.PageCount; i++)\r\n        {\r\n            SizeF size = pdfDoc.PageSizes[i];\r\n            int w = Point2Pixel(size.Width, (double)kzd);\r\n            int h = Point2Pixel(size.Height, (double)kzd);\r\n            Image img = pdfDoc.Render(i, w, h, kzd, kzd, false);\r\n            string output = string.Format(strDst, i + 1);\r\n            if (type == 0)  \/\/ Bitmap\uff08\u30d5\u30eb\u30ab\u30e9\u30fc\uff09\r\n                img.Save(output, ImageFormat.Bmp);\r\n            else if (type == 1)  \/\/ Bitmap\uff08\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\uff09\r\n                SaveBmpGraycale(img, output);\r\n            else if (type == 2)  \/\/ Bitmap\uff08\u767d\u9ed22\u5024\uff09\r\n                SaveBmp1bpp(img, output, ski);\r\n            else if (type == 3)  \/\/ Jpeg\r\n                SaveJpeg(img, output, quality);\r\n            else if (type == 4)  \/\/ PNG\r\n                img.Save(output, ImageFormat.Png);\r\n        }\r\n    }\r\n    catch(Exception)\r\n    {\r\n        UpdateResult("\u5931\u6557", "PDFium\u3067\u4f8b\u5916\u30a8\u30e9\u30fc");\r\n        stat = false;\r\n    }\r\n    finally\r\n    {\r\n        if(stat)\r\n            UpdateResult("\u6210\u529f", "");\r\n        Cursor.Current = preCursor;  \/\/ Wait\u30ab\u30fc\u30bd\u30eb\u89e3\u9664\r\n        if (!pdfDoc.Equals(null))\r\n        {\r\n            pdfDoc.Dispose();  \/\/ \u660e\u793a\u7684\u306b\u7834\u68c4\u3059\u308b\u5fc5\u8981\u3042\u308a\uff08PDF\u304c\u30ed\u30c3\u30af\u3055\u308c\u3066\u3057\u307e\u3046\uff09\r\n            pdfDoc = null;\r\n        }\r\n    }\r\n    \/\/ \u6642\u9593\u8a08\u6e2c\u7d42\u4e86\r\n    sw.Stop();\r\n    TimeSpan ts = sw.Elapsed;\r\n    int t1 = (int)ts.TotalMilliseconds;\r\n    double t2 = t1 \/ 1000.0;\r\n    textBox5.Text = t2.ToString();\r\n}\r\n<\/pre>\n
\u3068\u306b\u304b\u304fC#\u306f\u5b9f\u88c5\u304c\u697d\u3002\u308f\u304b\u3089\u306a\u3044\u3053\u3068\u306f\u30b0\u30b0\u308c\u3070\u3059\u3050\u306b\u51fa\u3066\u304f\u308b\u306e\u304c\u6700\u9ad8\u3002C++\u306e\u3088\u3046\u306a\u96e3\u89e3\u306a\u4ed5\u7d44\u307f\u304c\u306a\u3044\u306e\u3067\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u9069\u7528\u304c\u5bb9\u6613\u3002Visual Studio\u306f2017 Community\u3092\u4f7f\u3044\u306f\u3058\u3081\u305f\u3060\u3051\u3069\u3001\u3053\u308c\u304c\u3061\u3087\u30fc\u4fbf\u5229\u3002\u30b3\u30fc\u30c9\u306e\u81ea\u52d5\u6210\u5f62\u3001\u547c\u3073\u51fa\u3057\u95a2\u6570\u306e\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3001using\u306e\u81ea\u52d5\u633f\u5165\u306a\u3093\u3066\u3053\u3068\u3092\u3084\u3063\u3066\u304f\u308c\u308b\u306e\u3067\u3001\u30bf\u30a4\u30d4\u30f3\u30b0\u306e\u624b\u9593\u3092\u7701\u3051\u308b\u3057\u3001\u30bf\u30a4\u30d4\u30f3\u30b0\u30df\u30b9\u3084\u3089\u30d3\u30eb\u30c9\u6642\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u7b87\u6240\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u660e\u793a\u3057\u3066\u304f\u308c\u308b\u3002\u304a\u3044\u3089\u306eVisualStudio\u4f7f\u3044\u8fbc\u307f\u671f\u306f2005\u3060\u3063\u305f\u304b\u3089\u30012017\u306e\u4fbf\u5229\u3055\u306b\u9a5a\u6115\u3057\u305f\u3002\u3057\u304b\u3082\u4eca\u306fVisual Studio\u3063\u3066\u7121\u6599\u306a\u3093\u3067\u3059\u306a\u3002\u9ad8\u984d\u306aMSDN\u306e\u5951\u7d04\u3057\u3066\u306a\u3044\u3068\u4f7f\u3048\u306a\u3044\u3063\u3066\u601d\u3044\u8fbc\u3093\u3067\u305f\u3051\u3069\u3001\u6642\u4ee3\u306f\u5909\u308f\u3063\u305f\u3082\u3093\u3060\u3002<\/p>\n
\u3055\u3066\u3001\u30d5\u30a9\u30fc\u30e0\u30a2\u30d7\u30ea\uff08\u3064\u307e\u308aWindows\u30a2\u30d7\u30ea\uff09\u3068\u3057\u3066\u306f\u3053\u306e\u3078\u3093\u306b\u3057\u3068\u3044\u3066\u3001\u4eca\u5f8c\u306fWeb\u30a2\u30d7\u30ea\u306e\u958b\u767a\u306b\u7740\u624b\u3059\u308b\u3002\u3060\u3063\u3066\u3001\u30a4\u30de\u30c9\u30ad\u308f\u3056\u308f\u3056\u30a2\u30d7\u30ea\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u4f7f\u3046\u306a\u3093\u3066\u4eba\u306f\u30de\u30ec\u3067\u3001\u662d\u548c\u307e\u305f\u306f\u5e73\u6210\u4e2d\u671f\u307e\u3067\u3092\u30e1\u30a4\u30f3\u306b\u751f\u304d\u305f\u4eba\u9593\u304f\u3089\u3044\u3002\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30b5\u30af\u30b5\u30af\u3068\u64cd\u4f5c\u3057\u305f\u304f\u306a\u308b\u4eba\u9593\u306e\u76ee\u3092\u5f15\u304d\u5b9f\u969b\u306b\u4f7f\u308f\u305b\u308c\u3070\u3001\u672c\u30d6\u30ed\u30b0\u306e\u30a2\u30af\u30bb\u30b9\u6570\u304c\u5897\u3048\u3066\u5e83\u544a\u53ce\u5165\u304c\u30ac\u30c3\u30c4\u30ea\u5165\u3063\u3066\u304f\u308b\u3068\u3044\u3046\u76ee\u7b97\u3002\u3044\u305a\u308c\u306fCAD\u30c7\u30fc\u30bf\uff08AutoCAD\u3084Jw_cad\uff09\u3092PDF\u5316\u3059\u308b\u3068\u304b\u3067\u304d\u308b\u3068\u304a\u3082\u3057\u308d\u3044\u3002\u3068\u306b\u304b\u304fPDFium\u306b\u9b45\u305b\u3089\u308c\u3066\u3044\u308b\u3068\u3053\u308d\u306a\u306e\u3067\u3001\u305d\u306e\u6d3b\u7528\u65b9\u6cd5\u3092\u6a21\u7d22\u3057\u3066\u3044\u304f\u6240\u5b58\u306a\u308a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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