| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.test.hwui; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.ColorMatrix; |
| import android.graphics.ColorMatrixColorFilter; |
| import android.graphics.LightingColorFilter; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffColorFilter; |
| import android.os.Bundle; |
| import android.view.View; |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public class ColorFiltersActivity extends Activity { |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| final BitmapsView view = new BitmapsView(this); |
| setContentView(view); |
| } |
| |
| static class BitmapsView extends View { |
| private final Bitmap mBitmap1; |
| private final Bitmap mBitmap2; |
| private final Paint mColorMatrixPaint; |
| private final Paint mLightingPaint; |
| private final Paint mBlendPaint; |
| |
| BitmapsView(Context c) { |
| super(c); |
| |
| mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1); |
| mBitmap2 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset2); |
| |
| mColorMatrixPaint = new Paint(); |
| final ColorMatrix colorMatrix = new ColorMatrix(); |
| colorMatrix.setSaturation(0); |
| mColorMatrixPaint.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); |
| |
| mLightingPaint = new Paint(); |
| mLightingPaint.setColorFilter(new LightingColorFilter(0x0060ffff, 0x00101030)); |
| |
| mBlendPaint = new Paint(); |
| mBlendPaint.setColorFilter(new PorterDuffColorFilter(0x7f990040, |
| PorterDuff.Mode.SRC_OVER)); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| |
| canvas.drawARGB(255, 255, 255, 255); |
| |
| canvas.save(); |
| canvas.translate(120.0f, 50.0f); |
| canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mColorMatrixPaint); |
| |
| canvas.translate(0.0f, 50.0f + mBitmap1.getHeight()); |
| canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mLightingPaint); |
| |
| canvas.translate(0.0f, 50.0f + mBitmap1.getHeight()); |
| canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBlendPaint); |
| canvas.restore(); |
| |
| canvas.save(); |
| canvas.translate(120.0f + mBitmap1.getWidth() + 120.0f, 50.0f); |
| canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, mColorMatrixPaint); |
| |
| canvas.translate(0.0f, 50.0f + mBitmap2.getHeight()); |
| canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, mLightingPaint); |
| |
| canvas.translate(0.0f, 50.0f + mBitmap2.getHeight()); |
| canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, mBlendPaint); |
| canvas.restore(); |
| } |
| } |
| } |