Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / Util / WbmpConverter.cs / 1305376 / WbmpConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.MobileControls.Util { using System; using System.Drawing; using System.Diagnostics; [ System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode) ] [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] internal class WbmpConverter { private static int ExtractMultiByte(Byte[] buffer, ref int cursor) { int sum = 0; do { sum <<= 7; sum += buffer[cursor] & 0x7F; } while((buffer[cursor++] & 0x80) != 0); return sum; } internal static Bitmap Convert(Byte[] buffer) { try { int cursor = 0; int type = buffer[cursor++]; if(type != 0) { Debug.Fail("Wbmp is not type 0. (Unsupported)"); return null; } int header = buffer[cursor++]; int width = ExtractMultiByte(buffer, ref cursor); int height = ExtractMultiByte(buffer, ref cursor); Bitmap bitmap = new Bitmap(width, height); Byte mask = 0x80; for(int y = 0; y < height; y++) { for(int x = 0; x < width; x++) { if((buffer[cursor] & mask) == 0) { bitmap.SetPixel(x, y, Color.Black); } else { bitmap.SetPixel(x, y, Color.White); } mask >>= 1; if(mask == 0) { mask = 0x80; cursor++; } } // each row starts at the beginning of an octet if(mask != 0x80) { mask = 0x80; cursor++; } } return bitmap; } catch { Debug.Fail("Wbmp file appears to be corrupt."); return null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.MobileControls.Util { using System; using System.Drawing; using System.Diagnostics; [ System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode) ] [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] internal class WbmpConverter { private static int ExtractMultiByte(Byte[] buffer, ref int cursor) { int sum = 0; do { sum <<= 7; sum += buffer[cursor] & 0x7F; } while((buffer[cursor++] & 0x80) != 0); return sum; } internal static Bitmap Convert(Byte[] buffer) { try { int cursor = 0; int type = buffer[cursor++]; if(type != 0) { Debug.Fail("Wbmp is not type 0. (Unsupported)"); return null; } int header = buffer[cursor++]; int width = ExtractMultiByte(buffer, ref cursor); int height = ExtractMultiByte(buffer, ref cursor); Bitmap bitmap = new Bitmap(width, height); Byte mask = 0x80; for(int y = 0; y < height; y++) { for(int x = 0; x < width; x++) { if((buffer[cursor] & mask) == 0) { bitmap.SetPixel(x, y, Color.Black); } else { bitmap.SetPixel(x, y, Color.White); } mask >>= 1; if(mask == 0) { mask = 0x80; cursor++; } } // each row starts at the beginning of an octet if(mask != 0x80) { mask = 0x80; cursor++; } } return bitmap; } catch { Debug.Fail("Wbmp file appears to be corrupt."); return null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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