/home/cube/sources/osgearth/src/osgEarthDrivers/osg/OSGTileSource.cpp File Reference

#include "OSGOptions"
#include <osgEarth/HTTPClient>
#include <osgEarth/FileUtils>
#include <osgEarth/ImageUtils>
#include <osgDB/FileNameUtils>
#include <cstring>

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Classes
struct	CopyAndSetAlpha
class	OSGTileSource
class	OSGTileSourceFactory
Defines
#define	LC   "[OSG Driver] "
#define	LOG2(X)   (::log((double)(X))/::log(2.0))
Functions
static osg::Image *	makeRGBAandComputeAlpha (osg::Image *image)

---

Define Documentation

#define LC   "[OSG Driver] "

Definition at line 28 of file OSGTileSource.cpp.

#define LOG2

(

X

)

(::log((double)(X))/::log(2.0))

Definition at line 30 of file OSGTileSource.cpp.

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Function Documentation

static osg::Image* makeRGBAandComputeAlpha

(

osg::Image *

image

)

[static]

Definition at line 45 of file OSGTileSource.cpp.

{
    osg::Image* result = new osg::Image();
    result->allocateImage( image->s(), image->t(), image->r(), GL_RGBA, GL_UNSIGNED_BYTE );
    result->setInternalTextureFormat( GL_RGBA8 );
    ImageUtils::PixelVisitor<CopyAndSetAlpha>().accept( image, result );
    return result;
}

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