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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/vfs.h"
00031 #include "ivaria/reporter.h"
00032 
00037 class CS_CSTOOL_EXPORT csDebugImageWriter
00038 {
00039   static void Report (int severity, const char* msg, ...)
00040   {
00041 #ifdef CS_DEBUG
00042     va_list arg;
00043     va_start (arg, msg);
00044     csReportV (iSCF::SCF->object_reg, severity, "crystalspace.debugimagewriter",
00045       msg, arg);
00046     va_end (arg);
00047 #endif
00048   }
00049 public:
00058   static void DebugImageWrite (iImage* image, const char* filename, ...)
00059   {
00060   #ifdef CS_DEBUG
00061     CS_ASSERT(iSCF::SCF->object_reg);
00062     csRef<iImageIO> imgsaver =
00063       CS_QUERY_REGISTRY (iSCF::SCF->object_reg, iImageIO);
00064     if (!imgsaver) 
00065     {
00066       Report (CS_REPORTER_SEVERITY_ERROR, "No iImageIO");
00067       return;
00068     }
00069     csRef<iVFS> vfs =
00070       CS_QUERY_REGISTRY (iSCF::SCF->object_reg, iVFS);
00071     if (!vfs) 
00072     {
00073       Report (CS_REPORTER_SEVERITY_ERROR, "No iVFS");
00074       return;
00075     }
00076     
00077     csString finalFilename;
00078     va_list arg;
00079     va_start (arg, filename);
00080     finalFilename.FormatV (filename, arg);
00081     va_end (arg);
00082     
00083     csRef<iDataBuffer> buf = imgsaver->Save (image, "image/png");
00084     if (!buf) 
00085     {
00086       Report (CS_REPORTER_SEVERITY_ERROR, "Error saving image");
00087       return;
00088     }
00089     vfs->PushDir ();
00090     vfs->ChDir ("/tmp");
00091     bool written = vfs->WriteFile (finalFilename, (char*)buf->GetInt8 (), 
00092       buf->GetSize ());
00093     vfs->PopDir ();
00094     if (!written)
00095     {
00096       Report (CS_REPORTER_SEVERITY_ERROR, "Could not write to %s", 
00097         finalFilename.GetData ());
00098     }
00099   #endif
00100   }
00101 };
00102 
00103 #endif // __CS_CSTOOL_DEBUGIMAGEWRITER_H__

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