本文整理汇总了C++中TextNode::getCharacterSize方法的典型用法代码示例。如果您正苦于以下问题：C++ TextNode::getCharacterSize方法的具体用法？C++ TextNode::getCharacterSize怎么用？C++ TextNode::getCharacterSize使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TextNode的用法示例。
在下文中一共展示了TextNode::getCharacterSize方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: layout
void Layout::layout(TextNode& text) const
{
OSG_NOTICE<<"Layout::layout"<<std::endl;
Font* font = text.getActiveFont();
Style* style = text.getActiveStyle();
TextTechnique* technique = text.getTextTechnique();
const String& str = text.getText();
if (!text.getTextTechnique())
{
OSG_NOTICE<<"Warning: no TextTechnique assigned to Layout"<<std::endl;
return;
}
osg::Vec3 pos(0.0f,0.0f,0.0f);
float characterSize = text.getCharacterSize();
osg::Vec3 size(characterSize, characterSize, 0.0);
if (style)
{
size.y() = characterSize;
size.z() = characterSize;
}
osgText::FontResolution resolution(32,32);
if (style)
{
resolution.first = static_cast<unsigned int>(static_cast<float>(resolution.first)*style->getSampleDensity());
resolution.second = static_cast<unsigned int>(static_cast<float>(resolution.second)*style->getSampleDensity());
}
float characterWidthScale = 1.0f;
bool textIs3D = (style && style->getThicknessRatio()!=0.0);
if (!textIs3D)
{
characterWidthScale = 1.0f/static_cast<float>(resolution.first);
}
osgText::KerningType kerningType = osgText::KERNING_DEFAULT;
technique->start();
unsigned int previousCharcode = 0;
for(unsigned int i=0; i<str.size(); ++i)
{
unsigned int charcode = str[i];
if (size.z()==0.0f)
{
osgText::Glyph* glyph = font->getGlyph(resolution, charcode);
if (glyph)
{
technique->addCharacter(pos, size, glyph, style);
pos += osg::Vec3(size.x()*(glyph->getHorizontalAdvance()*characterWidthScale), 0.0f ,0.0f);
}
}
else
{
osgText::Glyph3D* glyph = font->getGlyph3D(charcode);
OSG_NOTICE<<"pos = "<<pos<<", charcode="<<charcode<<", glyph="<<glyph<< std::endl;
if (glyph)
{
osg::Vec3 local_scale( size );
technique->addCharacter(pos, local_scale, glyph, style);
pos += osg::Vec3(size.x()*glyph->getWidth(), 0.0f ,0.0f);
}
}
if (previousCharcode!=0 && charcode!=0)
{
osg::Vec2 offset = font->getKerning(previousCharcode, charcode, kerningType);
OSG_NOTICE<<" offset = "<<offset<< std::endl;
pos.x() += offset.x();
pos.y() += offset.y();
}
previousCharcode = charcode;
}
technique->finish();
}