//-----------------------------------------------------------
vector<ofTTFCharacter> ofTrueTypeFont::getStringAsPoints(const string & str, bool vflip, bool filled) const{
vector<ofTTFCharacter> shapes;
if (!bLoadedOk){
ofLogError("ofxTrueTypeFont") << "getStringAsPoints(): font not allocated: line " << __LINE__ << " in " << __FILE__;
return shapes;
};
iterateString(str,0,0,vflip,[&](uint32_t c, ofVec2f pos){
shapes.push_back(getCharacterAsPoints(c,vflip,filled));
shapes.back().translate(pos);
});
return shapes;
}
//-----------------------------------------------------------
void ofTrueTypeFont::drawStringAsShapes(const std::string& str, float x, float y) const{
if (!bLoadedOk){
ofLogError("ofTrueTypeFont") << "drawStringAsShapes(): font not allocated: line " << __LINE__ << " in " << __FILE__;
return;
};
//----------------------- error checking
if (!settings.contours){
ofLogError("ofTrueTypeFont") << "drawStringAsShapes(): contours not created for this font, call loadFont() with makeContours set to true";
return;
}
iterateString(str,x,y,true,[&](uint32_t c, ofVec2f pos){
drawCharAsShape(c, pos.x, pos.y, ofIsVFlipped(), ofGetStyle().bFill);
});
}
//-----------------------------------------------------------
ofTexture ofTrueTypeFont::getStringTexture(const std::string& str, bool vflip) const {
vector<glyph> glyphs;
vector<ofVec2f> glyphPositions;
long height = 0;
int width = 0;
int lineWidth = 0;
uint32_t prevC = 0;
iterateString(str, 0, 0, vflip, [&](uint32_t c, ofVec2f pos) {
try {
if (c != '\n') {
auto g = loadGlyph(c);
glyphs.push_back(g);
int x = pos.x + g.props.xmin;
int y = g.props.ymax + pos.y;
glyphPositions.emplace_back(x, y);
lineWidth += glyphs.back().props.advance * letterSpacing;
width = max(width, lineWidth);
height = max(height, y + long(getLineHeight()));
} else {
lineWidth = 0;
}
} catch(...) {
}
});
ofTexture tex;
ofPixels totalPixels;
totalPixels.allocate(width, height, OF_PIXELS_GRAY_ALPHA);
//-------------------------------- clear data:
totalPixels.set(0,255); // every luminance pixel = 255
totalPixels.set(1,0);
size_t i = 0;
for(auto & g: glyphs) {
if(settings.direction == ofTtfSettings::LeftToRight) {
g.pixels.blendInto(totalPixels, glyphPositions[i].x, glyphPositions[i].y + getLineHeight() + g.props.ymin + getDescenderHeight() );
} else {
g.pixels.blendInto(totalPixels, width-glyphPositions[i].x, glyphPositions[i].y + getLineHeight() + g.props.ymin + getDescenderHeight() );
}
i++;
if(i==glyphPositions.size()) {
break;
}
}
tex.allocate(totalPixels);
return tex;
}
//-----------------------------------------------------------
void ofTrueTypeFont::createStringMesh(const std::string& str, float x, float y, bool vflip) const{
iterateString(str,x,y,vflip,[&](uint32_t c, ofVec2f pos){
drawChar(c, pos.x, pos.y, vflip);
});
}
