CrystalSpace

Public API Reference

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 
00038 class CS_CRYSTALSPACE_EXPORT csDebugImageWriter
00039 {
00040   static void Report (int severity, const char* msg, ...)
00041   {
00042 #ifdef CS_DEBUG
00043     va_list arg;
00044     va_start (arg, msg);
00045     csReportV (iSCF::SCF->object_reg, severity, "crystalspace.debugimagewriter",
00046       msg, arg);
00047     va_end (arg);
00048 #endif
00049   }
00050 public:
00060   static void DebugImageWrite (iImage* image, const char* filename, ...)
00061   {
00062   #ifdef CS_DEBUG
00063     CS_ASSERT(iSCF::SCF->object_reg);
00064     csRef<iImageIO> imgsaver =
00065       CS_QUERY_REGISTRY (iSCF::SCF->object_reg, iImageIO);
00066     if (!imgsaver) 
00067     {
00068       Report (CS_REPORTER_SEVERITY_ERROR, "No iImageIO");
00069       return;
00070     }
00071     csRef<iVFS> vfs =
00072       CS_QUERY_REGISTRY (iSCF::SCF->object_reg, iVFS);
00073     if (!vfs) 
00074     {
00075       Report (CS_REPORTER_SEVERITY_ERROR, "No iVFS");
00076       return;
00077     }
00078     
00079     csString finalFilename;
00080     va_list arg;
00081     va_start (arg, filename);
00082     finalFilename.FormatV (filename, arg);
00083     va_end (arg);
00084     
00085     csRef<iDataBuffer> buf = imgsaver->Save (image, "image/png");
00086     if (!buf) 
00087     {
00088       Report (CS_REPORTER_SEVERITY_ERROR, "Error saving image");
00089       return;
00090     }
00091     vfs->PushDir ();
00092     vfs->ChDir ("/tmp");
00093     bool written = vfs->WriteFile (finalFilename, (char*)buf->GetInt8 (), 
00094       buf->GetSize ());
00095     vfs->PopDir ();
00096     if (!written)
00097     {
00098       Report (CS_REPORTER_SEVERITY_ERROR, "Could not write to %s", 
00099         finalFilename.GetData ());
00100     }
00101   #else
00102     // Make -Wall happy
00103     (void)image;
00104     (void)filename;
00105   #endif
00106   }
00107 };
00108 
00109 #endif // __CS_CSTOOL_DEBUGIMAGEWRITER_H__

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