124 lines
4.6 KiB
Java
124 lines
4.6 KiB
Java
/**
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* Copyright (c) 2016, The CyanogenMod Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.cyanogenmod.tests.util;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.ColorDrawable;
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import android.test.AndroidTestCase;
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import cyanogenmod.util.ColorUtils;
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import org.mockito.Mockito;
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import org.mockito.invocation.InvocationOnMock;
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import org.mockito.stubbing.Answer;
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public class ColorUtilTest extends AndroidTestCase {
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private ColorUtils mColorUtils;
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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mColorUtils = new ColorUtils();
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}
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public void testDropAlpha() {
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// With pre-existing alpha
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int color = 0xBBCCDD;
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int alpha = 0xAA000000;
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int result = mColorUtils.dropAlpha(color | alpha);
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// Assert alpha was removed
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assertEquals(Color.alpha(result), 0);
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// Ensure color is preserved
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assertEquals(result & color, color);
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// Without pre-existing alpha
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color = Color.argb(0, 100, 200 ,300);
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result = mColorUtils.dropAlpha(color);
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// Assert alpha was removed
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assertEquals(Color.alpha(result), 0);
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// Ensure color is preserved
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assertEquals(result, color);
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}
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public void testGenerateAlertColorFromDrawable() {
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// Test null drawable
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int color = mColorUtils.generateAlertColorFromDrawable(null);
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assertEquals(color, Color.BLACK);
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Bitmap bitmap = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888);
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BitmapDrawable bitmapDrawable = new BitmapDrawable(bitmap);
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bitmapDrawable.setBounds(0, 0, 10, 10);
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Canvas canvas = new Canvas(bitmap);
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canvas.drawColor(Color.RED);
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// Test fully red bitmap
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color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
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assertEquals(color, Color.RED);
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color = mColorUtils.generateAlertColorFromDrawable(
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getColorDrawableFromBitmapDrawable(bitmapDrawable));
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assertEquals(color, Color.RED);
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// Test blue/red bitmap with blue dominating
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Paint p = new Paint();
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p.setColor(Color.BLUE);
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p.setStyle(Paint.Style.FILL_AND_STROKE);
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canvas.drawRect(0, 0, 8, 8, p);
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color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
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assertEquals(color, Color.BLUE);
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color = mColorUtils.generateAlertColorFromDrawable(
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getColorDrawableFromBitmapDrawable(bitmapDrawable));
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assertEquals(color, Color.BLUE);
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// Test large white + small blue scenario
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canvas.drawColor(Color.WHITE);
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canvas.drawRect(0, 0, 2, 2, p);
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color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
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assertEquals(color, Color.BLUE);
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color = mColorUtils.generateAlertColorFromDrawable(
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getColorDrawableFromBitmapDrawable(bitmapDrawable));
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assertEquals(color, Color.BLUE);
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// Test large white + small black scenario
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canvas.drawColor(Color.WHITE);
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p.setColor(Color.BLACK);
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canvas.drawRect(0, 0, 2, 2, p);
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color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
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assertEquals(color, Color.WHITE);
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color = mColorUtils.generateAlertColorFromDrawable(
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getColorDrawableFromBitmapDrawable(bitmapDrawable));
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assertEquals(color, Color.WHITE);
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assertEquals(bitmap.isRecycled(), false);
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bitmap.recycle();
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}
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private ColorDrawable getColorDrawableFromBitmapDrawable(final BitmapDrawable bitmapDrawable) {
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ColorDrawable colorDrawable = Mockito.mock(ColorDrawable.class);
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Mockito.doAnswer(new Answer() {
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@Override
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public Object answer(InvocationOnMock invocation) throws Throwable {
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Canvas canvas = (Canvas) invocation.getArguments()[0];
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bitmapDrawable.draw(canvas);
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return null;
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}
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}).when(colorDrawable).draw(Mockito.any(Canvas.class));
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return colorDrawable;
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}
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}
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