' This is dumb code that reads one byte at a time Public Function gsdll_stdin( ByVal intGSInstanceHandle As IntPtr, ByVal strz As IntPtr, ByVal intBytes As Integer) As Integer Public Delegate Function StdioCallBack( ByVal handle As IntPtr, ByVal strptr As IntPtr, ByVal count As Integer) As Integer 'These are only required if you use gsapi_set_stdio Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" ( ByVal dest As IntPtr, ByVal source As IntPtr, ByVal bytes As Long) ' See the following URL for some VB6 / VB.NET details ' colorcir.ps to PDF, the other is like command line Ghostscript. #VB NET CONVERT PDF TO TIFF HOW TO#' This is an example of how to call the Ghostscript DLL from #VB NET CONVERT PDF TO TIFF SOFTWARE#' CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ' ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN ' BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS ' MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ' EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ' THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ' included in all copies or substantial portions of the Software. ' The above copyright notice and this permission notice shall be ' permit persons to whom the Software is furnished to do so, subject to ' distribute, sublicense, and/or sell copies of the Software, and to ' without limitation the rights to use, copy, modify, merge, publish, ' "Software"), to deal in the Software without restriction, including ' a copy of this software and associated documentation files (the ' Permission is hereby granted, free of charge, to any person obtaining ' Copyright (c) 2002 Dan Mount and Ghostgum Software Pty Ltd You need to dispose the original bitmap object (original.Dispose() ) before returning destination. However, the ConvertToBitonal function has a bug. Ghostscript: you need to put the gsdll32.dll in the same folder of your dll/exeįor step 2, the related source code was convert from C# in this article: The source code provide below is running quite stable as batch job for a few months.
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