Experiments with automatically pushing/popping styles and matrices using scope.

AutoPushPop.cpp

#include "ofAppGlutWindow.h"
#include "ofMain.h"

#define stroke(r, g, b) StrokeClass StrokeObject##__LINE__(r, g, b)

class StrokeClass {
public:
  StrokeClass(float r, float g, float b) {
		ofPushStyle();
		ofNoFill();
		ofSetColor(r, g, b);
	}
	~StrokeClass() {
		ofPopStyle();
	}
};

#define translate(x, y) TranslateClass TranslateObject##__LINE__(x, y)

class TranslateClass {
public:
	TranslateClass(float x, float y) {
		ofPushMatrix();
		ofTranslate(x, y);
	}
	~TranslateClass() {
		ofPopMatrix();
	}
};

class ofApp : public ofBaseApp {
public:
	void draw() {
		ofBackground(0);
		{
			stroke(255, 0, 0);
			translate(10, 10);
			ofRect(0, 0, 50, 50);
		}
		ofRect(20, 20, 50, 50);
	}
};

int main() {
	ofSetupOpenGL(200, 200, OF_WINDOW);
	ofRunApp(ofPtr<ofBaseApp>(new ofApp()));
}