FGFS-4.1/OpenSceneGraph
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Moved osgText across to create GL_ALPHA textures instead of GL_LUMINANCE_ALPHA

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This commit is contained in:
Robert Osfield
2003-12-09 11:31:33 +00:00
parent 393f1580c8
commit 4c3f6004df
4 changed files with 93 additions and 19 deletions
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4
src/osgText/Font.cpp
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@@ -17,6 +17,8 @@
#include <osg/State>
#include <osg/Notify>
#include <osg/TexEnv>
#include <osgDB/ReadFile>
#include <osgDB/FileUtils>
#include <osg/GLU>
@@ -87,6 +89,7 @@ Font::Font(FontImplementation* implementation):
_magFilterHint(osg::Texture::LINEAR)
{
setImplementation(implementation);
_texEnv = new osg::TexEnv(osg::TexEnv::BLEND);
}
Font::~Font()
@@ -259,6 +262,7 @@ void Font::addGlyph(unsigned int width, unsigned int height, unsigned int charco
glyphTexture->setStateSet(stateset);
stateset->setMode(GL_BLEND,osg::StateAttribute::ON);
stateset->setTextureAttributeAndModes(0,glyphTexture,osg::StateAttribute::ON);
if (_texEnv.valid()) stateset->setTextureAttribute(0,_texEnv.get());
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
if (!glyphTexture->getSpaceForGlyph(glyph,posX,posY))