FGFS-4.1/OpenSceneGraph
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Further work on osg::ImageSequence/osgDB::ImagePager

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This commit is contained in:
Robert Osfield
2008-07-21 21:00:57 +00:00
parent 73bcc2613c
commit 041a06b89d
12 changed files with 168 additions and 68 deletions
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13
include/osgDB/ImagePager
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@@ -15,6 +15,7 @@
#define OSGDB_IMAGEPAGER 1
#include <osg/Image>
#include <osg/NodeVisitor>
#include <OpenThreads/Thread>
#include <OpenThreads/Mutex>
@@ -24,7 +25,7 @@
namespace osgDB
{
class OSGDB_EXPORT ImagePager : public osg::Referenced
class OSGDB_EXPORT ImagePager : public osg::NodeVisitor::ImageRequestHandler
{
public:
@@ -33,12 +34,12 @@ class OSGDB_EXPORT ImagePager : public osg::Referenced
struct ImageRequest : public osg::Referenced
{
ImageRequest():
osg::Referenced(true) {}
osg::Referenced(true),
_timeToMergeBy(0.0) {}
double _timeToMergeBy;
std::string _fileName;
osg::ref_ptr<ReaderWriter::Options> _loadOptions;
osg::ref_ptr<osg::Object> _objectToAttachTo;
osg::ref_ptr<osg::Image> _loadedImage;
@@ -76,8 +77,10 @@ class OSGDB_EXPORT ImagePager : public osg::Referenced
std::string _name;
};
virtual void requestNodeFile(const std::string& fileName,osg::Object* attachmentPoint, double timeToMergeBy, const osg::FrameStamp* framestamp, osg::ref_ptr<osg::Referenced>& imageRequest);
/** Return true if there are pending updates to the scene graph that require a call to updateSceneGraph(double). */
bool requiresUpdateSceneGraph() const;
virtual bool requiresUpdateSceneGraph() const;
/** Merge the changes to the scene graph. */
virtual void updateSceneGraph(double currentFrameTime);