FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added write to ostream to ReaderWriterDDS

Browse Source
This commit is contained in:
Robert Osfield 2004-11-11 16:05:55 +00:00
parent 9d8e24a4a3
commit a0eb4c72a1
1 changed files with 42 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
src/osgPlugins/dds/ReaderWriterDDS.cpp
View File

@ -457,13 +457,9 @@ printf("CORRECTO**> gtsibim:%d grsib:%d mi_size:%d lPitch%d\n",
bool WriteDDSFile(const osg::Image *img, const char *filename)
bool WriteDDSFile(const osg::Image *img, std::ostream& fout)
{
FILE *fp = fopen(filename, "wb");
if (!fp)
return false;
// Initialize ddsd structure and its members
DDSURFACEDESC2 ddsd;
DDPIXELFORMAT ddpf;
@ -636,7 +632,7 @@ bool WriteDDSFile(const osg::Image *img, const char *filename)
memcpy(header, ddsName, 4);
memcpy(header+4, &ddsd, sizeof(ddsd));
fwrite(header, sizeof(ddsd)+4, 1, fp); /* write file header */
fout.write(reinterpret_cast<char*>(header), sizeof(ddsd)+4); /* write file header */
int isize = img->getTotalSizeInBytesIncludingMipmaps();
unsigned char *buffer = new unsigned char[isize];
@ -685,15 +681,13 @@ bool WriteDDSFile(const osg::Image *img, const char *filename)
}
// Check for correct saving
if (fwrite(buffer, isize , 1, fp) != 1)
fout.write(reinterpret_cast<char*>(buffer), isize);
if (fout.fail())
{
fclose(fp);
return false;
}
// close file pointer
fclose(fp);
// If we get that far the file was saved properly //
return true;
}
@ -712,6 +706,16 @@ public:
return osgDB::equalCaseInsensitive(extension,"dds");
}
virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options)
{
return readImage(file,options);
}
virtual ReadResult readObject(std::istream& fin, const Options* options)
{
return readImage(fin,options);
}
virtual ReadResult readImage(const std::string& file, const osgDB::ReaderWriter::Options* options)
{
std::string ext = osgDB::getLowerCaseFileExtension(file);
@ -740,18 +744,42 @@ public:
return osgImage;
}
virtual WriteResult writeImage(const osg::Image &img,const std::string& file, const osgDB::ReaderWriter::Options*)
virtual WriteResult writeObject(const osg::Object& object,const std::string& file, const osgDB::ReaderWriter::Options* options)
{
const osg::Image* image = dynamic_cast<const osg::Image*>(&object);
if (!image) return WriteResult::FILE_NOT_HANDLED;
return writeImage(*image,file,options);
}
virtual WriteResult writeObject(const osg::Object& object,std::ostream& fout,const Options* options)
{
const osg::Image* image = dynamic_cast<const osg::Image*>(&object);
if (!image) return WriteResult::FILE_NOT_HANDLED;
return writeImage(*image,fout,options);
}
virtual WriteResult writeImage(const osg::Image &image,const std::string& file, const osgDB::ReaderWriter::Options* options)
{
std::string ext = osgDB::getFileExtension(file);
if (!acceptsExtension(ext)) return WriteResult::FILE_NOT_HANDLED;
bool success = WriteDDSFile(&img, file.c_str());
std::ofstream fout(file.c_str(), std::ios::out | std::ios::binary);
if(!fout) return WriteResult::ERROR_IN_WRITING_FILE;
return writeImage(image,fout,options);
}
virtual WriteResult writeImage(const osg::Image& image,std::ostream& fout,const Options*)
{
bool success = WriteDDSFile(&image, fout);
if(success)
return WriteResult::FILE_SAVED;
else
return WriteResult::ERROR_IN_WRITING_FILE;
}
};