FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Further work on new 3D text support

Browse Source
This commit is contained in:
Robert Osfield
2010-09-06 15:43:59 +00:00
parent 32db4d6a98
commit a6abbb545e
10 changed files with 109 additions and 179 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
examples/osgtext3D/TextNode.cpp
View File

@@ -28,7 +28,7 @@ using namespace osgText;
//
Bevel::Bevel()
{
_thickness = 0.1f;
_thickness = 0.02f;
flatBevel();
}
@@ -191,8 +191,8 @@ void Layout::layout(TextNode& text) const
osg::Vec3 size(characterSize, characterSize, 0.0);
if (style)
{
size.y() = characterSize * style->getWidthRatio();
size.z() = characterSize * style->getThicknessRatio();
size.y() = characterSize;
size.z() = characterSize;
}
@@ -242,8 +242,11 @@ void Layout::layout(TextNode& text) const
OSG_NOTICE<<"pos = "<<pos<<", charcode="<<charcode<<", glyph="<<glyph<< std::endl;
if (glyph)
{
technique->addCharacter(pos, size, glyph, style);
pos += osg::Vec3(size.x()*(glyph->getHorizontalAdvance()*characterWidthScale), 0.0f ,0.0f);
osg::Vec3 local_scale( size );
local_scale *= (1.0f/font->getScale());
technique->addCharacter(pos, local_scale, glyph, style);
pos += osg::Vec3(size.x()*(glyph->getHorizontalWidth()/font->getScale()), 0.0f ,0.0f);
}
}
@@ -301,32 +304,37 @@ void TextTechnique::addCharacter(const osg::Vec3& position, const osg::Vec3& siz
{
OSG_NOTICE<<"TextTechnique::addCharacter 3D("<<position<<", "<<size<<", "<<glyph<<", "<<style<<")"<<std::endl;
double scale = size.x() / glyph->getVerticalHeight();
osg::ref_ptr<osg::PositionAttitudeTransform> transform = new osg::PositionAttitudeTransform;
transform->setPosition(position);
transform->setAttitude(osg::Quat(osg::inDegrees(90.0),osg::Vec3d(1.0,0.0,0.0)));
transform->setScale(osg::Vec3d(scale, scale, scale));
transform->setScale(size);
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
bool outline = false;
float thickness = 5;
float width = 10;
BevelProfile profile;
const Bevel* bevel = style ? style->getBevel() : 0;
bool outline = style ? style->getOutlineRatio()>0.0f : false;
float width = style->getThicknessRatio();
float creaseAngle = 30.0f;
bool smooth = true;
osg::ref_ptr<osg::Geometry> glyphGeometry = osgText::computeGlyphGeometry(glyph, thickness, width);
osg::ref_ptr<osg::Geometry> textGeometry = osgText::computeTextGeometry(glyphGeometry.get(), profile, width);
osg::ref_ptr<osg::Geometry> shellGeometry = outline ? osgText::computeShellGeometry(glyphGeometry.get(), profile, width) : 0;
if (textGeometry.valid()) geode->addDrawable(textGeometry.get());
if (shellGeometry.valid()) geode->addDrawable(shellGeometry.get());
// create the normals
if (smooth && textGeometry.valid())
if (bevel)
{
float thickness = bevel->getBevelThickness();
osg::ref_ptr<osg::Geometry> glyphGeometry = osgText::computeGlyphGeometry(glyph, thickness, width);
osg::ref_ptr<osg::Geometry> textGeometry = osgText::computeTextGeometry(glyphGeometry.get(), *bevel, width);
osg::ref_ptr<osg::Geometry> shellGeometry = outline ? osgText::computeShellGeometry(glyphGeometry.get(), *bevel, width) : 0;
if (textGeometry.valid()) geode->addDrawable(textGeometry.get());
if (shellGeometry.valid()) geode->addDrawable(shellGeometry.get());
// create the normals
if (smooth && textGeometry.valid())
{
osgUtil::SmoothingVisitor::smooth(*textGeometry, osg::DegreesToRadians(creaseAngle));
}
}
else
{
osgUtil::SmoothingVisitor::smooth(*textGeometry, osg::DegreesToRadians(creaseAngle));
}
transform->addChild(geode.get());