lab4 start

Lab4/main.cpp

@@ -0,0 +1,28 @@
+#include "x11context.h"
+#include <unistd.h>
+#include <iostream>
+ 
+int main(void)
+{
+	GraphicsContext* gc = new X11Context(800,600,GraphicsContext::BLACK);
+ 
+ 
+	// draw some lines
+	gc->setColor(GraphicsContext::GREEN);
+	gc->setPixel(10,10);
+	gc->setPixel(30,30);
+	gc->drawLine(100,100,500,500);
+	gc->setColor(GraphicsContext::RED);
+	gc->drawLine(100,500,500,500);
+	gc->setColor(GraphicsContext::BLUE);
+	gc->drawLine(500,500,500,100);
+	gc->setColor(GraphicsContext::YELLOW);
+	gc->drawLine(500,100,100,100);
+	gc->setColor(GraphicsContext::MAGENTA);
+	gc->drawCircle(300,300,200);
+	sleep(10);
+ 
+	delete gc;
+ 
+	return 0;
+}