cstool/debugimagewriter.h

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00001 /*
00002     Copyright (C) 2004 by Jorrit Tyberghein
00003               (C) 2004 by Frank Richter
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_CSTOOL_DEBUGIMAGEWRITER_H__
00021 #define __CS_CSTOOL_DEBUGIMAGEWRITER_H__
00022 
00027 #include "csutil/csstring.h"
00028 #include "csutil/scf.h"
00029 #include "igraphic/imageio.h"
00030 #include "iutil/databuff.h"
00031 #include "iutil/vfs.h"
00032 #include "ivaria/reporter.h"
00033 
00039 class CS_CRYSTALSPACE_EXPORT csDebugImageWriter
00040 {
00041   static void Report (int severity, const char* msg, ...)
00042   {
00043 #ifdef CS_DEBUG
00044     va_list arg;
00045     va_start (arg, msg);
00046     csReportV (iSCF::SCF->object_reg, severity, "crystalspace.debugimagewriter",
00047       msg, arg);
00048     va_end (arg);
00049 #endif
00050   }
00051 public:
00061   static void DebugImageWrite (iImage* image, const char* filename, ...)
00062   {
00063   #ifdef CS_DEBUG
00064     CS_ASSERT(iSCF::SCF->object_reg);
00065     csRef<iImageIO> imgsaver =
00066       CS_QUERY_REGISTRY (iSCF::SCF->object_reg, iImageIO);
00067     if (!imgsaver) 
00068     {
00069       Report (CS_REPORTER_SEVERITY_ERROR, "No iImageIO");
00070       return;
00071     }
00072     csRef<iVFS> vfs =
00073       CS_QUERY_REGISTRY (iSCF::SCF->object_reg, iVFS);
00074     if (!vfs) 
00075     {
00076       Report (CS_REPORTER_SEVERITY_ERROR, "No iVFS");
00077       return;
00078     }
00079     
00080     csString finalFilename;
00081     va_list arg;
00082     va_start (arg, filename);
00083     finalFilename.FormatV (filename, arg);
00084     va_end (arg);
00085     
00086     csRef<iDataBuffer> buf = imgsaver->Save (image, "image/png");
00087     if (!buf) 
00088     {
00089       Report (CS_REPORTER_SEVERITY_ERROR, "Error saving image");
00090       return;
00091     }
00092     vfs->PushDir ();
00093     vfs->ChDir ("/tmp");
00094     bool written = vfs->WriteFile (finalFilename, (char*)buf->GetInt8 (), 
00095       buf->GetSize ());
00096     vfs->PopDir ();
00097     if (!written)
00098     {
00099       Report (CS_REPORTER_SEVERITY_ERROR, "Could not write to %s", 
00100         finalFilename.GetData ());
00101     }
00102   #else
00103     // Make -Wall happy
00104     (void)image;
00105     (void)filename;
00106   #endif
00107   }
00108 };
00109 
00110 #endif // __CS_CSTOOL_DEBUGIMAGEWRITER_H__
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cstool/debugimagewriter.h
