1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.test.hwui;
18
19import android.animation.ArgbEvaluator;
20import android.animation.ObjectAnimator;
21import android.app.Activity;
22import android.content.Context;
23import android.graphics.Bitmap;
24import android.graphics.BitmapFactory;
25import android.graphics.Canvas;
26import android.graphics.ColorMatrix;
27import android.graphics.ColorMatrixColorFilter;
28import android.graphics.LightingColorFilter;
29import android.graphics.Paint;
30import android.graphics.PorterDuff;
31import android.graphics.PorterDuffColorFilter;
32import android.os.Bundle;
33import android.view.View;
34
35@SuppressWarnings({"UnusedDeclaration"})
36public class ColorFiltersMutateActivity extends Activity {
37    @Override
38    protected void onCreate(Bundle savedInstanceState) {
39        super.onCreate(savedInstanceState);
40        final BitmapsView view = new BitmapsView(this);
41        setContentView(view);
42    }
43
44    static class BitmapsView extends View {
45        private final Bitmap mBitmap1;
46        private final Bitmap mBitmap2;
47        private final Paint mColorMatrixPaint;
48        private final Paint mLightingPaint;
49        private final Paint mBlendPaint;
50
51        private float mSaturation = 0.0f;
52        private int mLightAdd = 0;
53        private int mLightMul = 0;
54        private int mPorterDuffColor = 0;
55
56        BitmapsView(Context c) {
57            super(c);
58
59            mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
60            mBitmap2 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset2);
61
62            mColorMatrixPaint = new Paint();
63            final ColorMatrix colorMatrix = new ColorMatrix();
64            colorMatrix.setSaturation(0);
65            mColorMatrixPaint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
66
67            mLightingPaint = new Paint();
68            mLightingPaint.setColorFilter(new LightingColorFilter(0, 0));
69
70            mBlendPaint = new Paint();
71            mBlendPaint.setColorFilter(new PorterDuffColorFilter(0, PorterDuff.Mode.SRC_OVER));
72
73            ObjectAnimator sat = ObjectAnimator.ofFloat(this, "saturation", 1.0f);
74            sat.setDuration(1000);
75            sat.setRepeatCount(ObjectAnimator.INFINITE);
76            sat.setRepeatMode(ObjectAnimator.REVERSE);
77            sat.start();
78
79            ObjectAnimator light = ObjectAnimator.ofInt(this, "lightAdd", 0x00101030);
80            light.setEvaluator(new ArgbEvaluator());
81            light.setDuration(1000);
82            light.setRepeatCount(ObjectAnimator.INFINITE);
83            light.setRepeatMode(ObjectAnimator.REVERSE);
84            light.start();
85
86            ObjectAnimator mult = ObjectAnimator.ofInt(this, "lightMul", 0x0060ffff);
87            mult.setEvaluator(new ArgbEvaluator());
88            mult.setDuration(1000);
89            mult.setRepeatCount(ObjectAnimator.INFINITE);
90            mult.setRepeatMode(ObjectAnimator.REVERSE);
91            mult.start();
92
93            ObjectAnimator color = ObjectAnimator.ofInt(this, "porterDuffColor", 0x7f990040);
94            color.setEvaluator(new ArgbEvaluator());
95            color.setDuration(1000);
96            color.setRepeatCount(ObjectAnimator.INFINITE);
97            color.setRepeatMode(ObjectAnimator.REVERSE);
98            color.start();
99        }
100
101        public int getPorterDuffColor() {
102            return mPorterDuffColor;
103        }
104
105        public void setPorterDuffColor(int porterDuffColor) {
106            mPorterDuffColor = porterDuffColor;
107            final PorterDuffColorFilter filter =
108                    (PorterDuffColorFilter) mBlendPaint.getColorFilter();
109            filter.setColor(mPorterDuffColor);
110            invalidate();
111        }
112
113        public int getLightAdd() {
114            return mLightAdd;
115        }
116
117        public void setLightAdd(int lightAdd) {
118            mLightAdd = lightAdd;
119            final LightingColorFilter filter =
120                    (LightingColorFilter) mLightingPaint.getColorFilter();
121            filter.setColorAdd(lightAdd);
122            invalidate();
123        }
124
125        public int getLightMul() {
126            return mLightAdd;
127        }
128
129        public void setLightMul(int lightMul) {
130            mLightMul = lightMul;
131            final LightingColorFilter filter =
132                    (LightingColorFilter) mLightingPaint.getColorFilter();
133            filter.setColorMultiply(lightMul);
134            invalidate();
135        }
136
137        public void setSaturation(float saturation) {
138            mSaturation = saturation;
139            final ColorMatrixColorFilter filter =
140                    (ColorMatrixColorFilter) mColorMatrixPaint.getColorFilter();
141            final ColorMatrix m = filter.getColorMatrix();
142            m.setSaturation(saturation);
143            filter.setColorMatrix(m);
144            invalidate();
145        }
146
147        public float getSaturation() {
148            return mSaturation;
149        }
150
151        @Override
152        protected void onDraw(Canvas canvas) {
153            super.onDraw(canvas);
154
155            canvas.drawARGB(255, 255, 255, 255);
156
157            canvas.save();
158            canvas.translate(120.0f, 50.0f);
159            canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mColorMatrixPaint);
160
161            canvas.translate(0.0f, 50.0f + mBitmap1.getHeight());
162            canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mLightingPaint);
163
164            canvas.translate(0.0f, 50.0f + mBitmap1.getHeight());
165            canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBlendPaint);
166            canvas.restore();
167
168            canvas.save();
169            canvas.translate(120.0f + mBitmap1.getWidth() + 120.0f, 50.0f);
170            canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, mColorMatrixPaint);
171
172            canvas.translate(0.0f, 50.0f + mBitmap2.getHeight());
173            canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, mLightingPaint);
174
175            canvas.translate(0.0f, 50.0f + mBitmap2.getHeight());
176            canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, mBlendPaint);
177            canvas.restore();
178        }
179    }
180}
181