openFrameworks / easy simple drawTextBoxed helper util

.cpp

//ofApp.h
	ofTrueTypeFont font;
	float fontSize;

	//--------------------------------------------------------------
	void drawTextBoxed(string text, int x, int y, int alpha = 255)
	{
		ofPushStyle();

		int pad = 20;

		if (!font.isLoaded()) {
			ofDrawBitmapStringHighlight(text, x, y);
		}
		else {
			//bbox
			ofSetColor(0, alpha);
			ofFill();
			ofRectangle _r(font.getStringBoundingBox(text, x, y));
			_r.setWidth(_r.getWidth() + pad);
			_r.setHeight(_r.getHeight() + pad);
			_r.setX(_r.getPosition().x - pad / 2.);
			_r.setY(_r.getPosition().y - pad / 2.);
			ofDrawRectangle(_r);

			//text
			ofSetColor(255, 255);
			ofNoFill();
			font.drawString(text, x, y);
		}

		ofPopStyle();
	}
	//--------------------------------------------------------------
	float getWidthBBtextBoxed(string text) {
		return (font.getStringBoundingBox(text,0,0)).getWidth();
	}
  
//--

//ofApp.cpp
//setup
	fontSize = 15;
	font.load(OF_TTF_MONO, fontSize);
  
  

//--------------------------------------------------------------
void ofxGpuLutCube::drawHelp()
{
	//info
	string str;
	str += "PRESS UP/DOWN TO BROWSE '.cube' FILES\n";
	str += "FROM FOLDER 'data/" + path_LUT_files + "/'\n";
	str += "[" + ofToString(lutIndex) + "/" + ofToString(numLuts - 1) + "] " + ofToString(LUTname);
	drawTextBoxed(str, 10, 20);

	//debug filename
	float w = getWidthBBtextBoxed(LUTname);
	float x = ofGetWidth() * 0.5f - w * 0.5f;
	float y = ofGetHeight() - 75;
	drawTextBoxed(LUTname, x, y);
}