http://nfex.ru/index.php?action=history&feed=atom&title=Csharp%2FC_Sharp%2F2D_Graphics%2FPixel 2026-04-29T17:47:52Z История изменений этой страницы в вики MediaWiki 1.30.0 http://nfex.ru/index.php?title=Csharp/C_Sharp/2D_Graphics/Pixel&diff=825&oldid=prev 2010-05-26T15:31:19Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:31, 26 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://nfex.ru/index.php?title=Csharp/C_Sharp/2D_Graphics/Pixel&diff=826&oldid=prev 2010-05-26T11:41:49Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>==BitMap Pixel Format==<br /> <br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;<br /> <br /> using System;<br /> using System.Drawing;<br /> using System.Drawing.Drawing2D;<br /> using System.Collections;<br /> using System.ruponentModel;<br /> using System.Windows.Forms;<br /> using System.Data;<br /> using System.Drawing.Imaging;<br /> public class Test<br /> {<br /> static void Main() <br /> {<br /> // Create two new bitmap images<br /> Bitmap bmp1 = new Bitmap(100, 100, PixelFormat.Format32bppArgb);<br /> Bitmap bmp2 = new Bitmap(100, 100, PixelFormat.Format24bppRgb);<br /> bool b1 = ((bmp1.PixelFormat &amp; PixelFormat.Alpha) != 0);<br /> bool b2 = ((bmp2.PixelFormat &amp; PixelFormat.Alpha) != 0);<br /> Console.WriteLine(&quot;bmp1 has alpha?: &quot; + b1);<br /> Console.WriteLine(&quot;bmp2 has alpha?: &quot; + b2);<br /> bmp1.Dispose();<br /> bmp2.Dispose();<br /> }<br /> }<br /> <br /> &lt;/source&gt;<br /> <br /> <br /> ==Get Pixel information ==<br /> <br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;<br /> <br /> using System;<br /> using System.Drawing;<br /> using System.Drawing.Drawing2D;<br /> using System.Collections;<br /> using System.ruponentModel;<br /> using System.Windows.Forms;<br /> using System.Data;<br /> using System.Drawing.Imaging;<br /> public class Form1 : System.Windows.Forms.Form<br /> {<br /> public Form1()<br /> {<br /> InitializeComponent();<br /> }<br /> private void InitializeComponent()<br /> {<br /> this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);<br /> this.ClientSize = new System.Drawing.Size(292, 273);<br /> this.Text = &quot;&quot;;<br /> this.Resize += new System.EventHandler(this.Form1_Resize);<br /> this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);<br /> }<br /> static void Main() <br /> {<br /> Application.Run(new Form1());<br /> }<br /> private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)<br /> { <br /> Graphics gForm = e.Graphics;<br /> gForm.FillRectangle(Brushes.White, this.ClientRectangle);<br /> // Create a bitmap in memory<br /> Bitmap bmp = new Bitmap(6, 6);<br /> Graphics gBmp = Graphics.FromImage(bmp);<br /> gBmp.FillRectangle(Brushes.White, 0, 0, bmp.Width, bmp.Height);<br /> gBmp.DrawLine(Pens.Red, 0, 0, 5, 5);<br /> gForm.DrawImage(bmp, 20, 20, bmp.Width, bmp.Height);<br /> // Finally, get the pixel information<br /> for (int y = 0; y &lt; bmp.Height; ++y)<br /> {<br /> for (int x = 0; x &lt; bmp.Width; ++x)<br /> {<br /> Color c = bmp.GetPixel(x, y);<br /> Console.Write(&quot;{0,2:x}{1,2:x}{2,2:x}{3,2:x} &quot;,<br /> c.A, c.R, c.G, c.G);<br /> }<br /> Console.WriteLine();<br /> }<br /> bmp.Dispose();<br /> }<br /> private void Form1_Resize(object sender, System.EventArgs e)<br /> {<br /> Invalidate();<br /> }<br /> }<br /> <br /> &lt;/source&gt;</div>

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