happy face

happy face

android-draw-happy-face/src/com/hmkcode/drawing/FaceView.java

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+package com.hmkcode.drawing;
+
+
+import com.hmkcode.drawing.shapes.Face;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+
+public class FaceView extends View {	
+	 private float radius;
+	 Face face;
+	public FaceView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		
+		// get radius value
+		TypedArray a = context.getTheme().obtainStyledAttributes(
+                attrs,
+                R.styleable.FaceView,
+                0, 0
+        );
+		
+		try {
+            radius = a.getDimension(R.styleable.FaceView_radius, 20.0f);
+        } finally {
+            a.recycle();
+        }
+		
+		// initiate Face class
+		face = new Face(radius);
+	}
+	
+	
+	@Override
+	protected void onDraw(Canvas canvas) {
+		super.onDraw(canvas);
+		face.draw(canvas);
+		
+	}
+	
+	@Override
+	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+		super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+		
+	    int desiredWidth = (int) radius*2+(int) Math.ceil((radius/1.70));
+	    int desiredHeight = (int) radius*2+(int)Math.ceil((radius/1.70));
+
+	    int widthMode = MeasureSpec.getMode(widthMeasureSpec);
+	    int widthSize = MeasureSpec.getSize(widthMeasureSpec);
+	    int heightMode = MeasureSpec.getMode(heightMeasureSpec);
+	    int heightSize = MeasureSpec.getSize(heightMeasureSpec);
+
+	    int width;
+	    int height;
+
+	    //Measure Width
+	    if (widthMode == MeasureSpec.EXACTLY) {
+	        //Must be this size
+	        width = widthSize;
+	    } else if (widthMode == MeasureSpec.AT_MOST) {
+	        //Can't be bigger than...
+	        width = Math.min(desiredWidth, widthSize);
+	    	Log.d("Width AT_MOST", "width: "+width);
+	    } else {
+	        //Be whatever you want
+	        width = desiredWidth;
+	    	Log.d("Width ELSE", "width: "+width);
+
+	    }
+
+	    //Measure Height
+	    if (heightMode == MeasureSpec.EXACTLY) {
+	        //Must be this size
+	        height = heightSize;
+	    } else if (heightMode == MeasureSpec.AT_MOST) {
+	        //Can't be bigger than...
+	        height = Math.min(desiredHeight, heightSize);
+	    } else {
+	        //Be whatever you want
+	        height = desiredHeight;
+	    }
+
+	    //MUST CALL THIS
+	    setMeasuredDimension(width, height);
+	}
+		public float getRadius() {
+			return radius;
+		}
+
+		public void setRadius(float radius) {
+			this.radius = radius;
+		}
+	
+}

android-draw-happy-face/src/com/hmkcode/drawing/MainActivity.java

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+package com.hmkcode.drawing;
+
+
+import android.app.Activity;
+
+public class MainActivity extends Activity  {
+
+	protected void onCreate(android.os.Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);		
+		setContentView(R.layout.activity_main);
+	}
+	
+}

android-draw-happy-face/src/com/hmkcode/drawing/shapes/Face.java

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+package com.hmkcode.drawing.shapes;
+
+import android.graphics.Canvas;
+import android.graphics.CornerPathEffect;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.RectF;
+
+public class Face {
+
+	Paint facePaint;
+	Paint mePaint;
+	
+	
+	float radius; 
+	float adjust;
+	
+	float mouthLeftX, mouthRightX, mouthTopY, mouthBottomY;
+	RectF mouthRectF; 
+	Path mouthPath;
+	
+	RectF eyeLeftRectF, eyeRightRectF;
+	float eyeLeftX, eyeRightx, eyeTopY, eyeBottomY;
+	
+	
+	 public Face(float radius){
+		this.radius= radius;
+		
+		facePaint = new Paint();
+		facePaint.setColor(0xfffed325); // yellow 
+		facePaint.setDither(true);                  
+		facePaint.setStrokeJoin(Paint.Join.ROUND);   
+		facePaint.setStrokeCap(Paint.Cap.ROUND);      
+		facePaint.setPathEffect(new CornerPathEffect(10) );   
+		facePaint.setAntiAlias(true);  
+		facePaint.setShadowLayer(4, 2, 2, 0x80000000);
+		
+		mePaint = new Paint();
+		mePaint.setColor(0xff2a2a2a);
+		mePaint.setDither(true);       
+		mePaint.setStyle(Paint.Style.STROKE); 
+		mePaint.setStrokeJoin(Paint.Join.ROUND); 
+		mePaint.setStrokeCap(Paint.Cap.ROUND);     
+		mePaint.setPathEffect(new CornerPathEffect(10) );   
+		mePaint.setAntiAlias(true); 
+		mePaint.setStrokeWidth(radius / 14.0f);
+		
+		
+		
+		adjust = radius / 3.2f;
+
+		
+		// Left Eye
+		eyeLeftX = radius-(radius*0.43f);
+		eyeRightx = eyeLeftX+ (radius*0.3f);
+		eyeTopY = radius-(radius*0.5f);
+		eyeBottomY = eyeTopY + (radius*0.4f);
+		
+		eyeLeftRectF = new RectF(eyeLeftX+adjust,eyeTopY+adjust,eyeRightx+adjust,eyeBottomY+adjust);
+
+		// Right Eye
+		eyeLeftX = eyeRightx + (radius*0.3f);
+		eyeRightx = eyeLeftX + (radius*0.3f);
+
+		eyeRightRectF = new RectF(eyeLeftX+adjust,eyeTopY+adjust,eyeRightx+adjust,eyeBottomY+adjust);
+		
+		
+		// Smiley Mouth
+		mouthLeftX = radius-(radius/2.0f);
+		mouthRightX = mouthLeftX+ radius;
+		mouthTopY = radius - (radius*0.2f);
+		mouthBottomY = mouthTopY + (radius*0.5f);
+
+		mouthRectF = new RectF(mouthLeftX+adjust,mouthTopY+adjust,mouthRightX+adjust,mouthBottomY+adjust);
+		mouthPath = new Path();
+		
+		mouthPath.arcTo(mouthRectF, 30, 120, true);
+	}
+	
+	public void draw(Canvas canvas) {
+		
+		// 1. draw face
+		canvas.drawCircle(radius+adjust, radius+adjust, radius, facePaint);
+	 
+	    // 2. draw mouth
+		mePaint.setStyle(Paint.Style.STROKE); 
+
+		canvas.drawPath(mouthPath, mePaint);
+		
+		// 3. draw eyes
+		mePaint.setStyle(Paint.Style.FILL); 
+		canvas.drawArc(eyeLeftRectF, 0, 360, true, mePaint);
+		canvas.drawArc(eyeRightRectF, 0, 360, true, mePaint);
+ 
+	}
+}