{"id":3207,"date":"2020-02-20T19:23:51","date_gmt":"2020-02-20T10:23:51","guid":{"rendered":"http:\/\/kats-eye.net\/info\/?p=3207"},"modified":"2020-02-20T19:33:33","modified_gmt":"2020-02-20T10:33:33","slug":"c-mous-dd-03","status":"publish","type":"post","link":"https:\/\/kats-eye.net\/info\/2020\/02\/20\/c-mous-dd-03\/","title":{"rendered":"C# \u30de\u30a6\u30b9\u306b\u3088\u308b\u62e1\u5927\u51e6\u7406"},"content":{"rendered":"

 <\/p>\n\n\n\n
<\/td>\n<\/td>\n\u30ea\u30b5\u30a4\u30ba\u30a4\u30d9\u30f3\u30c8\u306b\u3088\u308b\u7e2e\u5c0f\u30fb\u62e1\u5927<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3000\u4eca\u56de\u306fpictureBox\u306b\u8868\u793a\u3059\u308b\u5199\u771f\u306e\u7e2e\u5c0f\u30fb\u62e1\u5927\u306b\u3064\u3044\u3066\u691c\u8a0e\u3057\u307e\u3057\u305f\u3002\u5148\u305a\u306f\u3001<\/span>\u30d5\u30a9\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u6642\u306b\u767a\u751f\u3059\u308b\u30ea\u30b5\u30a4\u30ba\u30a4\u30d9\u30f3\u30c8\u6bce\u306b\u753b\u50cf\u306e\u7e2e\u5c3a\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002<\/span>
\n\u3000\u4e0b\u56f3\u2460\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8d77\u52d5\u6642\u306e\u5199\u771f\u306b\u5bfe\u3057\u3001\u2461\u30d5\u30a9\u30fc\u30e0\u62e1\u5927\u6642\u306e\u5199\u771f\u306f\u4e00\u898b\u540c\u3058\u69d8\u3067\u3059\u304c\u3001\u6587\u5b57\u30fb\u30dc\u30bf\u30f3\u7b49\u304c\u76f8\u5bfe\u7684\u306b\u5c0f\u3055\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d1\u30bd\u30b3\u30f3\u30e2\u30cb\u30bf\u30fc\u4e0a\u3067\u306f\u3001\u2461\u306f\u2460\u306e\uff12\u500d\u4ee5\u4e0a\u5927\u304d\u304f\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u2462\u3067\u3059\u304c\u3001\u30d5\u30a9\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u6642\u3001\u7e26\u6a2a\u6bd4\u304c\u5d29\u308c\u307e\u3059\u304c\u3001\u30d5\u30a9\u30fc\u30e0\u7e26\u6a2a\u6bd4\u306b\u4f9d\u3089\u305a\u3001\u5143\u5199\u771f\u306e\u7e26\u6a2a\u6bd4\u3092\u7dad\u6301\u3057\u5168\u753b\u50cf\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

\u2460\u30d7\u30ed\u30b0\u30e9\u30e0\u8d77\u52d5\u6642<\/span>
\n\"\"
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\n\"\"
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\n\"\"<\/p>\n

 <\/p>\n\n\n\n
<\/td>\n<\/td>\n\u30de\u30a6\u30b9\u7bc4\u56f2\u6307\u5b9a\u306b\u3088\u308b\u62e1\u5927<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3000\u6b21\u306b\u30de\u30a6\u30b9\u3067\u7bc4\u56f2\u6307\u5b9a\u3057\u3001\u9078\u629e\u7bc4\u56f2\u3092\u62e1\u5927\u8868\u793a\u3059\u308b\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u307e\u3057\u305f\u3002\u6b21\u306e\uff13\u3064\u306e\u5199\u771f\u306f\u3001\u2460\u30fb\u2461\u30fb\u2462\u306e\u9806\u306b\u62e1\u5927\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u2460\u306e\u5199\u771f\u3067\u306f\u5224\u308a\u96e3\u3044\u306e\u3067\u3059\u304c\u3001\u2461\u306e\u5199\u771f\u3067\u306f\u9078\u629e\u7bc4\u56f2\u304c\u9ed2\u3044\u70b9\u7dda\u3067\u56f2\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u308a\u307e\u3059\u3002
\n\u3000\u2463\u306f\u53c2\u8003\u306b\u62e1\u5927\u7387\u3092\u9ad8\u304f\u3057\u305f\u5834\u5408\u306e\u5199\u771f\u3092\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u5143\u306e\u5199\u771f\u306e\u89e3\u50cf\u5ea6\u306b\u3082\u4f9d\u308a\u307e\u3059\u304c\u3001\u6bd4\u8f03\u7684\u8a73\u7d30\u90e8\u4f4d\u306e\u78ba\u8a8d\u3082\u51fa\u6765\u308b\u69d8\u3067\u3059\u3002<\/span><\/span><\/p>\n

\u2460\u30d7\u30ed\u30b0\u30e9\u30e0\u8d77\u52d5\u6642<\/span>
\n\"\"
\n\u2461\uff11\u56de\u76ee\u306e\u62e1\u5927<\/span>\"\"
\n\u2462\uff12\u56de\u76ee\u306e\u62e1\u5927<\/span>
\n\"\"
\n\u2463\u53c2\u8003\uff08\u62e1\u5927\u7387\u3092\u9ad8\u304f\u3057\u305f\u4f8b\uff09<\/span>
\n\"\"<\/p>\n\n\n\n
<\/td>\n<\/td>\n\u30d7\u30ed\u30b0\u30e9\u30e0<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3000\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u63b2\u8f09\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\n<\/span><\/p>\n

using System;\r\nusing System.Collections.Generic;\r\nusing System.ComponentModel;\r\nusing System.Data;\r\nusing System.Drawing;\r\nusing System.Drawing.Drawing2D;\r\nusing System.Linq;\r\nusing System.Text;\r\nusing System.Threading.Tasks;\r\nusing System.Windows.Forms;\r\n\r\nnamespace ListViewTest\r\n{\r\n    public partial class Frm_03 : Form\r\n    {\r\n        private Bitmap crtImg;\r\n        private double zRatio = 1d ;\r\n        private Rectangle drwRct;\r\n        private Rectangle srcRct;\r\n \r\n        bool draw_flag = false;\r\n        Point[] mus_dn = new Point[2];\r\n\r\n        public Frm_03()\r\n        {\r\n            InitializeComponent();\r\n        }\r\n\r\n        private void Frm_03_Load(object sender, EventArgs e)\r\n        {\r\n            crtImg = new Bitmap(@\"\");\r\n\r\n            reset_drwRct();\r\n\r\n            \/\/ pictureBox1\u306b\u5bfe\u3057\u3001PictureBox2\u3092\u900f\u660e\u5316\u3059\u308b\u51e6\u7406\r\n            pictureBox2.Parent = pictureBox1;\r\n            pictureBox2.BackColor = Color.Transparent;\r\n\r\n            \/\/ \u5143\u306eParent\uff08Form\uff09\u306b\u5bfe\u3059\u308b\u5ea7\u6a19\u3092\u88dc\u6b63\u3059\u308b\r\n            pictureBox2.Location = new Point(pictureBox2.Location.X - pictureBox1.Location.X, pictureBox2.Location.Y - pictureBox1.Location.Y);\r\n            pictureBox2.Size = pictureBox1.Size;\r\n        }\r\n\r\n        private void button1_Click_1(object sender, EventArgs e)\r\n        {\r\n            reset_drwRct();\r\n        }\r\n\r\n\r\n        private void Frm_03_Resize(object sender, EventArgs e)\r\n        {\r\n            reset_drwRct();\r\n        }\r\n\r\n        \/\/ \u5168\u753b\u50cf\u3092\u9818\u57df\u306b\u6700\u5927\u8868\u793a\u3059\u308b\r\n        private void reset_drwRct() {\r\n            srcRct = new Rectangle(0, 0, crtImg.Width, crtImg.Height);\r\n            pic_reseize();\r\n        }\r\n\r\n        \/\/ \u30de\u30a6\u30b9\u9818\u57df\u6307\u5b9a\u3057\u3001\u753b\u50cf\u30ea\u30b5\u30a4\u30ba\uff08\u30de\u30a6\u30b9\u30a2\u30c3\u30d7\u6642\u547c\u51fa\uff09\r\n        private void update_drwRct() {\r\n            Point tmp_mv = new Point();\r\n\r\n            if (mus_dn[1].X - mus_dn[0].X >= 0) { tmp_mv.X = mus_dn[0].X; } else { tmp_mv.X = mus_dn[1].X; }        \/\/ \u59cb\u70b9\u4fee\u6b63(X)\r\n            if (mus_dn[1].Y - mus_dn[0].Y >= 0) { tmp_mv.Y = mus_dn[0].Y; } else { tmp_mv.Y = mus_dn[1].Y; }        \/\/ \u59cb\u70b9\u4fee\u6b63(Y)\r\n\r\n            int tmp_wdt = Math.Abs(mus_dn[1].X - mus_dn[0].X);                                                      \/\/ \u5e45(X)         \r\n            int tmp_hgt = Math.Abs(mus_dn[1].Y - mus_dn[0].Y);                                                      \/\/ \u5e45(Y)\r\n            \r\n            Rectangle tmpRct = srcRct;\r\n            Rectangle tp_Rct = drwRct;\r\n\r\n            \/\/ \u6307\u5b9a\u9818\u57df\u3092\u5143\u753b\u50cf\u306b\u5bfe\u3059\u308b\u9818\u57df\u306b\u5909\u63db\r\n            srcRct.X = tmpRct.X+(int)Math.Round((double)tmpRct.Width * tmp_mv.X \/ tp_Rct.Width);                    \/\/ \u5143\u753b\u50cf\u59cb\u70b9\uff08X\uff09\r\n            srcRct.Y = tmpRct.Y+(int)Math.Round((double)tmpRct.Height * tmp_mv.Y \/ tp_Rct.Height);                  \/\/ \u5143\u753b\u50cf\u7d42\u70b9\uff08Y\uff09\r\n            srcRct.Width = (int)Math.Round((double)tmpRct.Width * tmp_wdt \/ tp_Rct.Width);                          \/\/ \u5143\u753b\u50cf\u5e45\uff08W\uff09\r\n            srcRct.Height = (int)Math.Round((double)tmpRct.Height * tmp_hgt \/ tp_Rct.Height);                       \/\/ \u5143\u753b\u50cf\u9ad8\u3055\uff08H\uff09\r\n\r\n            pic_reseize();\r\n        }\r\n\r\n        \/\/ srcRct(\u5143\u753b\u50cf\u306e\u8868\u793a\u9818\u57df)\u6307\u5b9a\u5f8c\u3001\u547c\u51fa\r\n        private void pic_reseize() {\r\n            int pbx_w = pictureBox1.Width;\r\n            int pbx_h = pictureBox1.Height;\r\n\r\n            double ratio_w = (double)pbx_w \/ srcRct.Width;                                      \/\/ \u5e45\u65b9\u5411\u500d\u7387\r\n            double ratio_h = (double)pbx_h \/ srcRct.Height;                                     \/\/ \u9ad8\u3055\u65b9\u5411\u500d\u7387\r\n\r\n            \/\/ \u5bfe\u8c61\u9818\u57df\u304c\u5168\u3066\u53ce\u307e\u308b\u69d8\u306b\u500d\u7387\u3092\u78ba\u5b9a\r\n            if (ratio_w > ratio_h){ zRatio = ratio_h; }\r\n            else { zRatio = ratio_w; }\r\n\r\n            drwRct = new Rectangle(0, 0, (int)Math.Round(srcRct.Width * zRatio), (int)Math.Round(srcRct.Height * zRatio));\r\n\r\n            Bitmap cvs = new Bitmap(pictureBox1.Width, pictureBox1.Height);\r\n            Graphics g = Graphics.FromImage(cvs);\r\n\r\n            g.DrawImage(crtImg, drwRct, srcRct, GraphicsUnit.Pixel);\r\n            g.Dispose();\r\n\r\n            pictureBox2.Image = null;\r\n            pictureBox1.Image = cvs;\r\n\u3000\u3000\u3000\u3000\u3000\u3000\r\n\u3000\u3000\u3000\u3000\u3000\u3000textBox1.Text = String.Format(\"{0:0.#####}\", zRatio);  \r\n\r\n        }\r\n\r\n\r\n         \r\n        private void pictureBox2_MouseDown(object sender, MouseEventArgs e)\r\n        {\r\n            draw_flag = true;\r\n            mus_dn[0].X = e.X;\r\n            mus_dn[0].Y = e.Y;\r\n        }\r\n\r\n        private void pictureBox2_MouseMove(object sender, MouseEventArgs e)\r\n        {\r\n            if (!draw_flag) { return; };\r\n\r\n            Bitmap tmp_cvs = new Bitmap(pictureBox2.Width, pictureBox2.Height);\r\n            Graphics tmp_g = Graphics.FromImage(tmp_cvs);\r\n            Point tmp_mv = new Point();\r\n            Pen tmp_p = new Pen(Color.FromArgb(255, 0, 0, 0), 1);\r\n            tmp_p.DashStyle = DashStyle.Dot;\r\n\r\n            if (e.X - mus_dn[0].X >= 0) { tmp_mv.X = mus_dn[0].X; } else { tmp_mv.X = e.X; }    \/\/ \u59cb\u70b9\u4fee\u6b63(X)\r\n            if (e.Y - mus_dn[0].Y >= 0) { tmp_mv.Y = mus_dn[0].Y; } else { tmp_mv.Y = e.Y; }    \/\/ \u59cb\u70b9\u4fee\u6b63(Y)\r\n\r\n            int tmp_wdt = Math.Abs(e.X - mus_dn[0].X);                                          \/\/ \u5e45(X)         \r\n            int tmp_hgt = Math.Abs(e.Y - mus_dn[0].Y);                                          \/\/ \u5e45(Y)\r\n\r\n            \/\/ \u6307\u5b9a\u9818\u57df\u67a0\u3092\u63cf\u753b\r\n            tmp_g.DrawRectangle(tmp_p, tmp_mv.X, tmp_mv.Y, tmp_wdt, tmp_hgt);\r\n            pictureBox2.Image = tmp_cvs;\r\n\r\n        }\r\n\r\n        private void pictureBox2_MouseUp(object sender, MouseEventArgs e)\r\n        {\r\n            if (!draw_flag) { return; };\r\n\r\n            mus_dn[1].X = e.X;\r\n            mus_dn[1].Y = e.Y;\r\n\r\n            update_drwRct();\r\n\r\n            draw_flag = false;\r\n        }\r\n\r\n       \r\n\r\n     \r\n    }\r\n}\r\n<\/pre>\n
\u00a0<\/span><\/p>\n\n\n\n
<\/td>\n<\/td>\n\u307e\u3068\u3081<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u3000\u51fa\u6765\u3066\u826f\u304b\u3063\u305f\u3067\u3059\u3002\u6b21\u56de\u306f\u7e2e\u5c0f\u30fb\u62e1\u5927\u3057\u305f\u5199\u771f\u4e0a\u306b\u63cf\u753b\u3059\u308b\u691c\u8a0e\u3092\u884c\u3046\u4e88\u5b9a\u3067\u3059\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
  \u30ea\u30b5\u30a4\u30ba\u30a4\u30d9\u30f3\u30c8\u306b\u3088\u308b\u7e2e\u5c0f\u30fb\u62e1\u5927 \u3000\u4eca\u56de\u306fpictureBox\u306b\u8868\u793a\u3059\u308b\u5199\u771f\u306e\u7e2e\u5c0f\u30fb\u62e1\u5927\u306b\u3064\u3044\u3066\u691c\u8a0e\u3057\u307e\u3057\u305f\u3002\u5148\u305a\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u6642\u306b\u767a\u751f\u3059\u308b\u30ea\u30b5\u30a4\u30ba\u30a4\u30d9\u30f3\u30c8\u6bce\u306b\u753b\u50cf\u306e\u7e2e\u5c3a\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002 \u3000 … \u7d9a\u304d\u3092\u8aad\u3080 C# \u30de\u30a6\u30b9\u306b\u3088\u308b\u62e1\u5927\u51e6\u7406<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":3224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[75],"tags":[80,88],"_links":{"self":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts\/3207"}],"collection":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/comments?post=3207"}],"version-history":[{"count":8,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts\/3207\/revisions"}],"predecessor-version":[{"id":3223,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts\/3207\/revisions\/3223"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/media\/3224"}],"wp:attachment":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/media?parent=3207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/categories?post=3207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/tags?post=3207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}