{"id":213203,"date":"2014-02-20T23:12:03","date_gmt":"2014-02-20T19:12:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=213203"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=213203","title":{"rendered":"<span class=\"post_title\">\u0417\u0430\u043c\u0435\u043d\u0430 \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u043e\u0433\u043e Bitmap.GetPixel \u043f\u0440\u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0438 HSB-\u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f<\/span>"},"content":{"rendered":"<div class=\"content html_format\"> \t\t\t\u0422\u0430\u043a \u0443\u0436 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043c\u043d\u0435 \u043d\u0430\u0434\u043e \u0431\u044b\u043b\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0443\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043a\u0443 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f HSB-\u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f. \u0421\u0430\u043c\u043e\u0435 \u0442\u0440\u0438\u0432\u0438\u0430\u043b\u044c\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0448\u043b\u043e \u0432 \u0433\u043e\u043b\u043e\u0432\u0443 \u0441\u0440\u0430\u0437\u0443:<\/p>\n<pre><code class=\"cs\">public struct HSB {       public float H, S, B; }  public static HSB GetHSB(Bitmap img) {       HSB imgHSB = new HSB();       int width = img.Width, height = img.Height;       int pixelsCount = height * width;        for (int i = 0; i &lt; pixelsCount; i++)       {             int y = i \/ width, x = i % height;             imgHSB.H += img.GetPixel(x, y).GetHue();             imgHSB.S += img.GetPixel(x, y).GetSaturation();             imgHSB.B += img.GetPixel(x, y).GetBrightness();       }        imgHSB.H \/=  pixelsCount;       imgHSB.S \/= pixelsCount;       imgHSB.B \/=  pixelsCount;       return imgHSB; } <\/code><\/pre>\n<p>  \u041d\u043e \u043e\u043d\u043e \u043d\u0435 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u0438\u043b\u043e \u043c\u0435\u043d\u044f \u0441\u0432\u043e\u0435\u0439 \u043c\u0435\u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e: \u0434\u043b\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0441 \u0440\u0430\u0437\u043c\u0435\u0440\u0430\u043c\u0438 2100\u04451500 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439 \u043c\u0435\u0442\u043e\u0434 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u043b\u0441\u044f \u0434\u043e\u043b\u0433\u0438\u0445 <b>14209\u043c\u0441<\/b>. \u041e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u0432\u043e \u0432\u0441\u0435\u043c \u0432\u0438\u043d\u043e\u0432\u0430\u0442 \u043c\u0435\u0442\u043e\u0434 Bitmap.GetPixel.<br \/>  \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u043b\u043e \u0438\u0441\u043a\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u0438\u0435, \u0431\u043e\u043b\u0435\u0435 \u0431\u044b\u0441\u0442\u0440\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b.<br \/>  <a name=\"habracut\"><\/a><br \/>  \u041f\u0435\u0440\u0432\u043e\u0435, \u0447\u0442\u043e \u043f\u0440\u0438\u0448\u043b\u043e \u043d\u0430 \u0443\u043c \u2014 \u0440\u0430\u0441\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0438\u0442\u044c \u0446\u0438\u043a\u043b \u0441\u0443\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u0430\u043a-\u0442\u043e \u0442\u0430\u043a:  <\/p>\n<pre><code class=\"cs\">Parallel.For(0, totalPixels, i =&gt; {       int y = i \/ width, x = i % height;       imgHSB.B += img.GetPixel(x, y).GetBrightness();       imgHSB.S += img.GetPixel(x, y).GetSaturation();       imgHSB.H += img.GetPixel(x, y).GetHue(); }); <\/code><\/pre>\n<p>  \u041d\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 \u0431\u044b\u043b \u043f\u0440\u043e\u0442\u0438\u0432, \u0438\u0431\u043e \u043d\u0435\u043b\u044c\u0437\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c System.Drawing.Image \u0438\u0437 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043f\u043e\u0442\u043e\u043a\u043e\u0432 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e, \u043e\u043d \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0442\u043e\u043c \u043f\u043e\u0442\u043e\u043a\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0435\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u043b.<br \/>  \u041f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u0438\u0441\u043a\u0430\u0442\u044c \u043d\u043e\u0432\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435. \u042f \u043f\u043e\u0440\u044b\u043b\u0441\u044f \u0432 \u0441\u043f\u0440\u0430\u0432\u043a\u0435 \u0438 \u043d\u0430 \u0433\u043b\u0430\u0437\u0430 \u043f\u043e\u043f\u0430\u043b\u0438\u0441\u044c \u043c\u0435\u0442\u043e\u0434\u044b Bitmap.LockBits \u0438 Bitmap.UnlockBits, \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c Bitmap \u0432 byte[]:<\/p>\n<pre><code class=\"cs\">public static byte[] ConvertBitmapToArray(Bitmap img) {       Rectangle rect = new Rectangle(0, 0, img.Width, img.Height);       System.Drawing.Imaging.BitmapData tempData =             img.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite,             img.PixelFormat);       IntPtr ptr = tempData.Scan0;       int bytes = img.Width * img.Height * 3;       byte[] rgbValues = new byte[bytes];       System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, bytes);       img.UnlockBits(tempData);       return rgbValues; } <\/code><\/pre>\n<p>  \u041e\u0441\u0442\u0430\u043b\u043e\u0441\u044c \u043b\u0438\u0448\u044c \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c RGB \u0432 HSB. \u041d\u043e \u044d\u0442\u043e \u0431\u044b\u043b\u043e \u043d\u0435 \u0442\u0430\u043a \u0441\u043b\u043e\u0436\u043d\u043e:<\/p>\n<pre><code class=\"cs\">public static HSB GetHSB(Bitmap img) {       byte[] inData = ConvertBitmapToArray(img);       HSB imgHSB = new HSB();       int pixelsCount = inData.Count();       float hue = 0, saturation = 0, brightness = 0, tempHue = 0, tempSaturation = 0, tempBrightness = 0;        for (int i = 0; i &lt; pixelsCount; i += 3)       {             float MinRGB, MaxRGB, Delta;             float R = inData[i];             float G = inData[i + 1];             float B = inData[i + 2];             hue = 0;             MinRGB = Math.Min(Math.Min(R, G), B);             MaxRGB = Math.Max(Math.Max(R, G), B);             Delta = MaxRGB - MinRGB;             brightness = MaxRGB;              if (MaxRGB != 0.0)             {                   saturation = 255 * Delta \/ MaxRGB;             }              else             {                   saturation = 0;             }              if (saturation != 0.0)             {                   if (R == MaxRGB)                   {                         hue = (G - B) \/ Delta;                   }                    else if (G == MaxRGB)                   {                         hue = 2 + (B - R) \/ Delta;                   }                    else if (B == MaxRGB)                   {                         hue = 4 + (R - G) \/ Delta;                   }             }              else             {                   hue = -1;                   hue = hue * 60;             }              if (hue &lt; 0)             {                   hue = hue + 360;             }              tempHue += hue;             tempSaturation += saturation * 100 \/ 255;             tempBrightness += brightness * 100 \/ 255;       }        imgHSB.H = tempHue \/ pixelsCount;       imgHSB.S = tempSaturation \/ pixelsCount;       imgHSB.B = tempBrightness \/ pixelsCount;       return imgHSB; } <\/code><\/pre>\n<p>  \u0412\u043e\u0442 \u0438 \u0432\u0441\u0435. \u041c\u0435\u0442\u043e\u0434 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430 \u0442\u043e\u043c \u0436\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0438 \u0432\u0441\u0435\u0433\u043e <b>289\u043c\u0441<\/b>.<\/p>\n<p>  \u0425\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u0435\u0449\u0435 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c, \u0440\u0430\u0441\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0438\u0432 \u0446\u0438\u043a\u043b \u0438\u0437 \u0432\u044b\u0448\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u0430 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0442\u043e\u0433\u043e \u0436\u0435 Parallel.For, \u043d\u043e \u043c\u0435\u0442\u043e\u0434 \u0441\u0442\u0430\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u0435\u0435 (<b>311\u043c\u0441<\/b>), \u0434\u0430 \u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f HSB \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0432\u0441\u0435 \u0432\u0440\u0435\u043c\u044f \u0431\u044b\u043b\u0438 \u0440\u0430\u0437\u043d\u044b\u0435.<\/p>\n<p>  \u0412\u043e\u0442 \u0438 \u0432\u0441\u0435, \u043d\u0430\u0434\u0435\u044e\u0441\u044c \u0434\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0430\u0442\u044c\u044f \u043a\u043e\u043c\u0443-\u043d\u0438\u0431\u0443\u0434\u044c \u043f\u043e\u043c\u043e\u0436\u0435\u0442. \u041d\u0435 \u043f\u0440\u0435\u0442\u0435\u043d\u0434\u0443\u044e \u043d\u0430 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u044b\u0439 \u043a\u043e\u0434, \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e, \u043a\u0442\u043e-\u0442\u043e \u043d\u0430\u043f\u0438\u0448\u0435\u0442 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u043e\u043b\u0443\u0447\u0448\u0435. \t\t\t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/213203\/\"> http:\/\/habrahabr.ru\/post\/213203\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\"> \t\t\t\u0422\u0430\u043a \u0443\u0436 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043c\u043d\u0435 \u043d\u0430\u0434\u043e \u0431\u044b\u043b\u043e \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0443\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043a\u0443 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f HSB-\u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f. \u0421\u0430\u043c\u043e\u0435 \u0442\u0440\u0438\u0432\u0438\u0430\u043b\u044c\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0448\u043b\u043e \u0432 \u0433\u043e\u043b\u043e\u0432\u0443 \u0441\u0440\u0430\u0437\u0443:<\/p>\n<pre><code class=\"cs\">public struct HSB {       public float H, S, B; }  public static HSB GetHSB(Bitmap img) {       HSB imgHSB = new HSB();       int width = img.Width, height = img.Height;       int pixelsCount = height * width;        for (int i = 0; i &lt; pixelsCount; i++)       {             int y = i \/ width, x = i % height;             imgHSB.H += img.GetPixel(x, y).GetHue();             imgHSB.S += img.GetPixel(x, y).GetSaturation();             imgHSB.B += img.GetPixel(x, y).GetBrightness();       }        imgHSB.H \/=  pixelsCount;       imgHSB.S \/= pixelsCount;       imgHSB.B \/=  pixelsCount;       return imgHSB; } <\/code><\/pre>\n<p>  \u041d\u043e \u043e\u043d\u043e \u043d\u0435 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u0438\u043b\u043e \u043c\u0435\u043d\u044f \u0441\u0432\u043e\u0435\u0439 \u043c\u0435\u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c\u044e: \u0434\u043b\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0441 \u0440\u0430\u0437\u043c\u0435\u0440\u0430\u043c\u0438 2100\u04451500 \u043f\u0438\u043a\u0441\u0435\u043b\u0435\u0439 \u043c\u0435\u0442\u043e\u0434 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u043b\u0441\u044f \u0434\u043e\u043b\u0433\u0438\u0445 <b>14209\u043c\u0441<\/b>. \u041e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u0432\u043e \u0432\u0441\u0435\u043c \u0432\u0438\u043d\u043e\u0432\u0430\u0442 \u043c\u0435\u0442\u043e\u0434 Bitmap.GetPixel.<br \/>  \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u043b\u043e \u0438\u0441\u043a\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u0438\u0435, \u0431\u043e\u043b\u0435\u0435 \u0431\u044b\u0441\u0442\u0440\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-213203","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/213203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=213203"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/213203\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=213203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=213203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=213203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}