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Added osg::Image::set/getWriteHint() that allows images themselves to control how

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they are written to disk, either inline or as an external file.  Added support for
this in the .ive plugin.  Default of WriteHint is NO_PREFERNCE, in which case it's
up to the reader/writer to decide.
This commit is contained in:
Robert Osfield
2008-09-10 11:26:30 +00:00
parent c478ad08fc
commit 45ccf11161
9 changed files with 56 additions and 10 deletions
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28
src/osgPlugins/ive/DataOutputStream.cpp
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@@ -1125,8 +1125,27 @@ void DataOutputStream::writeNode(const osg::Node* node)
}
}
IncludeImageMode DataOutputStream::getIncludeImageMode(const osg::Image* image) const
{
if (image)
{
if (image->getWriteHint()==osg::Image::STORE_INLINE)
{
return IMAGE_INCLUDE_DATA;
}
else if (image->getWriteHint()==osg::Image::EXTERNAL_FILE)
{
return IMAGE_REFERENCE_FILE;
}
}
return getIncludeImageMode();
}
void DataOutputStream::writeImage(osg::Image *image)
{
IncludeImageMode mode = getIncludeImageMode(image);
if ( getVersion() >= VERSION_0029)
{
osg::ImageSequence* is = dynamic_cast<osg::ImageSequence*>(image);
@@ -1137,19 +1156,20 @@ void DataOutputStream::writeImage(osg::Image *image)
else
{
writeInt(IVEIMAGE);
writeChar(getIncludeImageMode());
writeImage(getIncludeImageMode(),image);
writeChar(mode);
writeImage(mode,image);
}
}
else
{
writeChar(getIncludeImageMode());
writeImage(getIncludeImageMode(),image);
writeChar(mode);
writeImage(mode,image);
}
}
void DataOutputStream::writeImage(IncludeImageMode mode, osg::Image *image)
{
osg::notify(osg::NOTICE)<<"DataOutputStream::writeImage("<<mode<<" image->getFileName()="<<image->getFileName()<<std::endl;
switch(mode) {
case IMAGE_INCLUDE_DATA:
// Include image data in stream