FGFS-4.1/OpenSceneGraph
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Added readNodeFile support the gecko plugin.

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This commit is contained in:
Robert Osfield
2008-11-20 13:07:21 +00:00
parent 98df67c918
commit 9da7bbf802
2 changed files with 45 additions and 1 deletions
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2
src/osgPlugins/gecko/CMakeLists.txt
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@@ -59,7 +59,7 @@ ELSE(WIN32 OR APPLE)
ENDIF(WIN32 OR APPLE)
SET(TARGET_ADDED_LIBRARIES osgWidget )
SET(TARGET_ADDED_LIBRARIES osgWidget osgViewer)
#### end var setup ###
SETUP_PLUGIN(gecko)

44
src/osgPlugins/gecko/ReaderWriterUBrowser.cpp
View File

@@ -15,6 +15,8 @@
#include <osgDB/FileNameUtils>
#include <osgDB/Registry>
#include <osgViewer/ViewerEventHandlers>
#include "UBrowser.h"
class ReaderWriterUBrowser : public osgDB::ReaderWriter
@@ -62,6 +64,11 @@ class ReaderWriterUBrowser : public osgDB::ReaderWriter
if (!_initialized)
{
if (osgWidget::BrowserManager::instance()->getApplication().empty())
{
osgWidget::BrowserManager::instance()->setApplication(osg::DisplaySettings::instance()->getApplication());
}
osgWidget::BrowserManager::instance()->init(osgWidget::BrowserManager::instance()->getApplication());
}
@@ -69,6 +76,43 @@ class ReaderWriterUBrowser : public osgDB::ReaderWriter
return osgWidget::BrowserManager::instance()->createBrowserImage(osgDB::getNameLessExtension(file));
}
virtual osgDB::ReaderWriter::ReadResult readNode(const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
{
osgDB::ReaderWriter::ReadResult result = readImage(fileName, options);
if (!result.validImage()) return result;
osg::Image* image = result.getImage();
bool xyPlane = false;
bool flip = image->getOrigin()==osg::Image::TOP_LEFT;
osg::Vec3 origin = osg::Vec3(0.0f,0.0f,0.0f);
float width = 1.0;
float height = float(image->t())/float(image->s());
osg::Vec3 widthAxis = osg::Vec3(width,0.0f,0.0f);
osg::Vec3 heightAxis = xyPlane ? osg::Vec3(0.0f,height,0.0f) : osg::Vec3(0.0f,0.0f,height);
osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(origin, widthAxis, heightAxis,
0.0f, flip ? 1.0f : 0.0f , 1.0f, flip ? 0.0f : 1.0f);
osg::Texture2D* texture = new osg::Texture2D(image);
texture->setResizeNonPowerOfTwoHint(false);
texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
texture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
texture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
pictureQuad->getOrCreateStateSet()->setTextureAttributeAndModes(0,
texture,
osg::StateAttribute::ON);
pictureQuad->setEventCallback(new osgViewer::InteractiveImageHandler(image));
osg::Geode* geode = new osg::Geode;
geode->addDrawable(pictureQuad);
return geode;
}
bool _initialized;
};