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# 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__