Hideaway/MultiDrawable.java at master · jakobthomasson-zz/Hideaway · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
package com.example.mam032.hideaways;

import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.support.v4.content.ContextCompat;

import java.util.List;

/**
 * Draws up to four other drawables.
 */
public class MultiDrawable extends Drawable {

    private final List<Drawable> mDrawables;
    private int color;

    public MultiDrawable(List<Drawable> drawables) {

        mDrawables = drawables;


    }


    @Override
    public void draw(Canvas canvas) {
        if (mDrawables.size() == 1) {

            mDrawables.get(0).draw(canvas);

            return;
        }
        int width = getBounds().width();
        int height = getBounds().height();

        canvas.save();


        canvas.clipRect(0, 0, width, height);

        if (mDrawables.size() == 2 || mDrawables.size() == 3) {
            // Paint left half
            canvas.save();
            canvas.clipRect(0, 0, width / 2, height);
            canvas.translate(-width / 4, 0);
            mDrawables.get(0).draw(canvas);
            canvas.restore();
        }
        if (mDrawables.size() == 2) {
            // Paint right half
            canvas.save();
            canvas.clipRect(width / 2, 0, width, height);
            canvas.translate(width / 4, 0);
            mDrawables.get(1).draw(canvas);
            canvas.restore();
        } else {
            // Paint top right
            canvas.save();
            canvas.scale(.5f, .5f);
            canvas.translate(width, 0);
            mDrawables.get(1).draw(canvas);

            // Paint bottom right
            canvas.translate(0, height);
            mDrawables.get(2).draw(canvas);
            canvas.restore();
        }

        if (mDrawables.size() >= 4) {
            // Paint top left
            canvas.save();
            canvas.scale(.5f, .5f);
            mDrawables.get(0).draw(canvas);

            // Paint bottom left
            canvas.translate(0, height);
            mDrawables.get(3).draw(canvas);
            canvas.restore();
        }

        canvas.restore();
    }

    @Override
    public void setAlpha(int i) {

    }

    @Override
    public void setColorFilter(ColorFilter colorFilter) {
        for(Drawable d: mDrawables){
            d.setColorFilter(colorFilter);
        }
    }

    @Override
    public int getOpacity() {
        return 0;
    }
}