std::vector<FONSquad>& FontContext::rasterize(const std::string& _text, FontID _fontID,
float _fontSize, float _sdf) {
m_quadBuffer.clear();
fonsSetSize(m_fsContext, _fontSize);
fonsSetFont(m_fsContext, _fontID);
if (_sdf > 0){
fonsSetBlur(m_fsContext, _sdf);
fonsSetBlurType(m_fsContext, FONS_EFFECT_DISTANCE_FIELD);
} else {
fonsSetBlurType(m_fsContext, FONS_EFFECT_NONE);
}
float advance = fonsDrawText(m_fsContext, 0, 0,
_text.c_str(), _text.c_str() + _text.length(),
0);
if (advance < 0) {
m_quadBuffer.clear();
return m_quadBuffer;
}
return m_quadBuffer;
}
/**
* Render the font, called by Renderer.cpp
*/
void FontStashAdapter::render() {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_CULL_FACE);
glFrontFace( GL_CCW );
shaderLib->bind();
shaderLib->getShader()->setUniform("ortho", orthogonalProjection );
glActiveTexture( GL_TEXTURE0 );
glBindTexture( GL_TEXTURE_2D , textureID );
shaderLib->getShader()->setUniform("font", 0 );
fonsClearState(context);
for( auto text_info: texts ){
fonsSetFont ( context, text_info.fontID );
fonsSetSize ( context, text_info.fontSize );
fonsSetColor ( context, text_info.color );
fonsSetSpacing( context, text_info.spacing );
fonsSetBlur ( context, text_info.blur );
fonsDrawText ( context, text_info.x, text_info.y, text_info.text.c_str(), NULL );
}
shaderLib->unbind();
}
bool ofxFontStash2::applyStyle(const ofxFontStashStyle & style){
//if(style.fontID.size()){
fonsClearState(fs);
int id = getFsID(style.fontID);
fonsSetFont(fs, id);
fonsSetSize(fs, style.fontSize * pixelDensity * fontScale);
fonsSetColor(fs, toFScolor(style.color));
fonsSetAlign(fs, style.alignment);
fonsSetBlur(fs, style.blur);
return id != FONS_INVALID;
//}
}
void FontContext::setSignedDistanceField(float _blurSpread) {
fonsSetBlur(m_fsContext, _blurSpread);
fonsSetBlurType(m_fsContext, FONS_EFFECT_DISTANCE_FIELD);
}
