10. Graphics, font, path, Image, RandomGrapcis, Photoshop

2017. 3. 27. 11:28

1. Graphics_01

package org.android.soldesk.graphics_01;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.support.v4.print.PrintHelper;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_01Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
     //   setContentView(R.layout.activity_graphics_01);

        MyView vv = new MyView(this);
        setContentView(vv);
    }

    private class MyView extends View {
        public MyView(Context context){
            super(context);
            setBackgroundColor(Color.argb(88,120,120,120));

        }

    @Override
        protected void onDraw(Canvas canvas) {
        
        Paint print = new Paint();
        print.setColor(Color.parseColor("#ffff0000"));
        canvas.drawLine(20,50,10,80,print);
        Paint printa = new Paint();
        printa.setColor(Color.parseColor("#ffffffff"));
        canvas.drawRect(10,110,150,150,printa);
        Paint printb = new Paint();
        printb.setColor(Color.parseColor("#ffff00ff"));
        canvas.drawCircle(50, 250, 50,printb);

        canvas.drawText("글자도 그릴수 있습니다.", 20, 300, print);

    }
    }
}

<java>

2. Graphics_02

package org.android.soldesk.graphics_02;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_02Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

      //  setContentView(R.layout.activity_graphics_02);

    MyView vv = new MyView(this);
        setContentView(vv);
    }

    private class MyView extends View {
        public MyView(Context context) {
        super(context);
            setBackgroundColor(Color.argb(90,100,250,100));
        }

        @Override
        protected void onDraw(Canvas canvas)
        {
            Paint paint = new Paint();

            paint.setColor(Color.BLUE);
            canvas.drawRoundRect(new RectF(10,10,110,110),5,5,paint);
            canvas.drawOval(new RectF(150,10,250,110),paint);

            paint.setColor(Color.RED);
            canvas.drawArc(new RectF(250,120,350,220),45,270,true,paint);

            paint.setColor(Color.GREEN);
            float[] pts = {10,250,100,270,100,270,20,290,20,290,120,300};

            paint.setStrokeWidth(20);
            canvas.drawLines(pts,paint);
        }
    }
}

<java>

3. Graphics_03

package org.android.soldesk.graphics_03;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_03Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
      //  setContentView(R.layout.activity_graphics_03);

        setContentView(new MyView(this));

    }

    private class MyView extends View {
        private Paint mPaint,mFramePaint;
        private boolean mUseCenters;
        private RectF mBigOval;
        private float mStart,mSweep;

        private static final float SWEEP_INC = 2;
        private static final float START_INC = 15;

        public MyView(Context context) {
            super(context);

            mPaint = new Paint();
            mPaint.setAntiAlias(true);
            mPaint.setStyle(Paint.Style.FILL_AND_STROKE);
            mPaint.setStrokeWidth(20);
            mPaint.setColor(0x88FF0000);

            mFramePaint = new Paint();
            mFramePaint.setAntiAlias(true);
            mFramePaint.setStyle(Paint.Style.STROKE);
            mFramePaint.setStrokeWidth(10);
            mFramePaint.setColor(0x8800ff00);
            mBigOval = new RectF(40,10,280,250);
        }

        @Override
        protected void onDraw(Canvas canvas)
        {
            canvas.drawColor(Color.GREEN);
            canvas.drawRect(mBigOval,mFramePaint);
            canvas.drawArc(mBigOval,mStart,mSweep,false,mPaint);
            //mStart 각도에서 mSweep 만큼의 원호를 그린다

            mSweep += SWEEP_INC;

            if (mSweep > 360) {
                mSweep -= 360;
                mStart += START_INC;

                if (mStart >= 360){
                    mStart -= 360;
                }
            }
            invalidate(); // 다시 onDraw() 가 호출 되도록 한다
        }
    }
}

<java>

4. Graphics_04

package org.android.soldesk.graphics_04;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_04Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
      //  setContentView(R.layout.activity_graphics_04);

    MyView vv = new MyView(this);
        setContentView(vv);

    }

    private class MyView extends View{
        public MyView(Context context){
            super(context);
            setBackgroundColor(Color.argb(255,0,255,0));
        }

        @Override

        protected void onDraw(Canvas canvas)
        {
            Paint paint = new Paint();

            paint.setColor(Color.RED);
            paint.setAntiAlias(true);

            canvas.drawText("안티 에일리어싱 ON ",20,100,paint);
            canvas.drawOval(new RectF(20,110,120,250),paint);

            paint.setAntiAlias(false);

            canvas.drawText("안티 에일리어싱 OFFF ",220,100,paint);
            canvas.drawOval(new RectF(220,100,350,250),paint);
        }
    }
}

<java>

5. Graphics_font

package org.android.soldesk.graphics_font;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_fontActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_graphics_font);

        MyView vv = new MyView(this);
        setContentView(vv);
    }

    private class MyView extends View {
        public MyView(Context context) {
            super(context);
            setBackgroundColor(Color.CYAN);
        }
        @Override
        protected void onDraw(Canvas canvas)
        {
            Paint paint = new Paint();
            paint.setAntiAlias(true);

            paint.setTextSize(25);

            Typeface tt;

            tt = Typeface.create(Typeface.DEFAULT,Typeface.NORMAL);
            paint.setTypeface(tt);
            canvas.drawText("DEFAULT 폰트",20,100,paint);

            tt = Typeface.create(Typeface.DEFAULT_BOLD,Typeface.NORMAL);
            paint.setTypeface(tt);
            canvas.drawText("DEFAULT_BOLD 폰트",20,150,paint);

            tt = Typeface.create(Typeface.MONOSPACE,Typeface.NORMAL);
            paint.setTypeface(tt);
            canvas.drawText("MONOSPACE 폰트",20,200,paint);

            tt = Typeface.create(Typeface.SERIF,Typeface.NORMAL);
            paint.setTypeface(tt);
            canvas.drawText("SERIF 폰트",20,250,paint);

            tt = Typeface.create(Typeface.SANS_SERIF,Typeface.NORMAL);
            paint.setTypeface(tt);
            canvas.drawText("SANS_SERIF 폰트",20,300,paint);
        }
    }
}

<java>

6. Graphics_font01

package org.android.soldesk.graphics_font01;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_font01Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
      //  setContentView(R.layout.activity_graphics_font01);

        MyView vv = new MyView(this);
        setContentView(vv);
    }

    private class MyView extends View{
        public MyView(Context context) {
            super(context);

        setBackgroundColor(Color.YELLOW);
        }

        @Override

        protected  void onDraw(Canvas canvas)
        {
            Typeface myFont, myFonta, myFontc;
            Paint paint = new Paint();
            Paint painta = new Paint();
            Paint paintc = new Paint();
            paint.setAntiAlias(true);
            myFont = Typeface.createFromAsset(getContext().getAssets(),"aa.ttf");

            paint.setTypeface(myFont);
            paint.setTextSize(30);
            myFonta = Typeface.createFromAsset(getContext().getAssets(),"bbb.ttf");

            painta.setTypeface(myFonta);
            painta.setTextSize(30);

            myFontc = Typeface.createFromAsset(getContext().getAssets(),"cc.ttf");

            paintc.setTypeface(myFontc);
            paintc.setTextSize(30);

            canvas.drawText("This is a New Font !!!!",20,200,paint);
            canvas.drawText("Have Fun !!!!",20,300,paint);
            canvas.drawText("This is a New Font !!!!",20,400,painta);
            canvas.drawText("Have Fun !!!!",20,500,paintc);
        }
    }
}

<java>

7. Graphics_path

package org.android.soldesk.graphics_path;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Graphics_pathActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_graphics_path);

        MyView vv = new MyView(this);

        setContentView(vv);
    }

    private class MyView extends View {
        public MyView(Context context) {
        super(context);
            setBackgroundColor(Color.YELLOW);
        }
        @Override
        protected void onDraw(Canvas canvas)
        {
            Path path = new Path();
            Paint paint = new Paint();

            paint.setStyle(Paint.Style.STROKE);

            path.moveTo(30,120);
            path.lineTo(120,220);
            path.cubicTo(170,50,220,330,330,220);
            // Bezier curves(베지어 곡선을 그린다)

            paint.setColor(Color.BLUE);
            canvas.drawPath(path,paint);

            paint.setStyle(Paint.Style.FILL);
            paint.setTextSize(50);
            canvas.drawTextOnPath("This is a Test!!!", path, 0, 0, paint);
        }
    }
}

<java>

8. Image_01

package org.android.soldesk.image_01;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class Image_01Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       // setContentView(R.layout.activity_image_01);

    MyView vv = new MyView(this);
        setContentView(vv);
    }

    private class MyView extends View {
        public MyView(Context context) {
        super(context);
            setBackgroundColor(Color.YELLOW);
        }
        @Override
        protected void onDraw(Canvas canvas)
        {
            Paint paint = new Paint();
            Bitmap bb = BitmapFactory.decodeResource(getResources(),R.drawable.b);

            canvas.drawBitmap(bb, 20, 50, null);
        }
    }
}

<java>

9. RandomGrapcis_01

package org.android.soldesk.randomgrapcis_01;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;

public class RandomGrapcis_01Activity extends AppCompatActivity {
    private MyView mMyView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_random_grapcis_01);
        mMyView =(MyView)findViewById(R.id.myview);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main,menu);
        return  true;
    }
    public void redraw(View v){mMyView.invalidate();}
}

<java>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:id="@+id/linearLayout"
    tools:context="org.android.soldesk.randomgrapcis_01.RandomGrapcis_01Activity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="redraw"
        android:text="다시 그리려면 클릭" />

    <view
        android:id="@+id/myview"
        class="org.android.soldesk.randomgrapcis_01.MyView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>
</LinearLayout>

<xml>

package org.android.soldesk.randomgrapcis_01;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.View;

import java.util.Random;

/**
 * Created by soldesk on 2017-03-27.
 */

public class MyView extends View {
    private Paint[] mForegrounds={makePaint(Color.BLACK),
            makePaint(Color.BLUE),makePaint(Color.YELLOW),makePaint(Color.RED),
            makePaint(Color.parseColor("#900066FF"))
};
    private  static Random r = new Random();

    private Paint makePaint(int color) {
        Paint p = new Paint();
        p.setColor(color);
        return (p);
    }

    public MyView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public MyView(Context context) {
        super(context);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        canvas.drawColor(Color.GREEN);
        int width=getWidth();
        int height=getHeight();
        for(int i=1;i<30;i++){
            float x=r.nextInt(width);
            float y=r.nextInt(height);
            float radius=r.nextInt(100);
            Paint circleColor=mForegrounds[r.nextInt(mForegrounds.length)];
            canvas.drawCircle(x,y,radius,circleColor);
        }
        for(int i=1;i<30;i++){
            float x=r.nextInt(width);
            float y=r.nextInt(height);
            float xx=r.nextInt(width);
            float yy=r.nextInt(height);
            Paint circleColor=mForegrounds[r.nextInt(mForegrounds.length)];
            canvas.drawRect(x,y,xx,yy,circleColor);
        }

    }

}

<MyView.java>

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/menu_settings"
        android:orderInCategory="100"
        android:showAsAction="never"
        android:title="@string/menu_settings"/>
</menu>

<main.xml>

<resources>
    <string name="app_name">RandomGrapcis_01</string>
    <string name="menu_settings">LDM</string>
</resources>

10. MyPhotoshop

package org.android.soldesk.myphotoshop;

import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;

public class MyPhotoshopActivity extends AppCompatActivity {

    private ImageView img;
    private Bitmap bmp;
    private Bitmap output;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my_photoshop);

        img = (ImageView) findViewById(R.id.imageView01);

        BitmapDrawable abmp = (BitmapDrawable) img.getDrawable();

        bmp = abmp.getBitmap();
    }

    public void gray(View view) {
        output = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), bmp.getConfig());

        for (int i = 0; i < bmp.getWidth(); i++) {
            for (int j = 0; j < bmp.getHeight(); j++) {
                int p = bmp.getPixel(i, j);
                int r = Color.red(p);
                int g = Color.green(p);
                int b = Color.blue(p);

                r = g = b = (int) ((r + g + b) / 3.0);
                output.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
            }
        }
        img.setImageBitmap(output);
    }

    public void brightup(View view) {
        output = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), bmp.getConfig());
        for (int i = 0; i < bmp.getWidth(); i++) {
            for (int j = 0; j < bmp.getHeight(); j++) {
                int p = bmp.getPixel(i, j);
                int r = Color.red(p);
                int g = Color.green(p);
                int b = Color.blue(p);

                r += 50;
                g += 50;
                b += 50;

                if (r > 255) r = 255;
                if (g > 255) g = 255;
                if (b > 255) b = 255;
                output.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
            }
        }
        img.setImageBitmap(output);
    }

    public void brightdown(View view) {
        output = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), bmp.getConfig());

        for (int i = 0; i < bmp.getWidth(); i++) {
            for (int j = 0; j < bmp.getHeight(); j++) {
                int p = bmp.getPixel(i, j);
                int r = Color.red(p);
                int g = Color.green(p);
                int b = Color.blue(p);

                r -= 50;
                g -= 50;
                b -= 50;

                if (r < 0) r = 0;
                if (g < 0) g = 0;
                if (b < 0) b = 0;

                output.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
            }
        }
        img.setImageBitmap(output);
    }
    public  void reverse(View view) {
        output = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), bmp.getConfig());

        for (int i = 0; i < bmp.getWidth(); i++) {
            for (int j = 0; j < bmp.getHeight(); j++) {
                int p = bmp.getPixel(i, j);
                int r = Color.red(p);
                int g = Color.green(p);
                int b = Color.blue(p);

                r = 255 - r;
                g = 255 - g;
                b = 255 - b;

                output.setPixel(i, j, Color.argb(Color.alpha(p), r, g, b));
            }
        }
        img.setImageBitmap(output);
    }
}

<java>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="org.android.soldesk.myphotoshop.MyPhotoshopActivity">

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button01"
        android:layout_alignLeft="@+id/imageView01"
        android:layout_alignParentTop="true"
        android:layout_marginTop="21dp"
        android:onClick="gray"
        android:text="gray"
        />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button03"
        android:layout_alignBaseline="@+id/button01"
        android:layout_alignBottom="@+id/button01"
        android:layout_toRightOf="@+id/button01"
        android:onClick="brightup"
        android:text="B+"
        />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button02"
        android:layout_alignBaseline="@+id/button03"
        android:layout_alignBottom="@+id/button03"
        android:layout_toRightOf="@+id/button03"
        android:onClick="brightdown"
        android:text="B-"
        />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button04"
        android:layout_alignBaseline="@+id/button02"
        android:layout_alignBottom="@+id/button02"
        android:layout_toRightOf="@+id/button02"
        android:onClick="reverse"
        android:text="Reverse"

        />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/imageView01"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/button01"
        android:layout_marginTop="22dp"
        android:src="@drawable/d"
        />
</RelativeLayout>

<xml>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <dimen name="activity_horizontal_margin" >16dp</dimen>
    <dimen name="activity_vertical_margin" >16dp</dimen>
</resources>

<dimens.xml>

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테스토리

10. Graphics, font, path, Image, RandomGrapcis, Photoshop

1. Graphics_01

2. Graphics_02

3. Graphics_03

4. Graphics_04

5. Graphics_font

6. Graphics_font01

7. Graphics_path

8. Image_01

9. RandomGrapcis_01

10. MyPhotoshop

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