cstool/debugimagewriter.h
Go to the documentation of this file.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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