| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package org.mozc.android.inputmethod.japanese.view; |
| |
| import android.graphics.BlurMaskFilter; |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.LinearGradient; |
| import android.graphics.Paint; |
| import android.graphics.PixelFormat; |
| import android.graphics.Rect; |
| import android.graphics.BlurMaskFilter.Blur; |
| import android.graphics.Paint.Style; |
| import android.graphics.Shader.TileMode; |
| import android.graphics.drawable.Drawable; |
| |
| /** |
| * The light (indicator) mark for ALT key on qwerty layout. |
| * |
| */ |
| public class LightIconDrawable extends Drawable { |
| private final float topOffset; |
| private final float rightOffset; |
| |
| private final int lightColor; |
| private final int darkColor; |
| private final float radius; |
| |
| private float centerX; |
| private float centerY; |
| |
| private final Paint basePaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| private final Paint shadePaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| |
| public LightIconDrawable(float topOffset, float rightOffset, |
| int lightColor, int darkColor, int shadeColor, float radius) { |
| this.topOffset = topOffset; |
| this.rightOffset = rightOffset; |
| this.lightColor = lightColor; |
| this.darkColor = darkColor; |
| this.radius = radius; |
| |
| if (lightColor == darkColor) { |
| basePaint.setColor(lightColor); |
| } |
| |
| shadePaint.setStyle(Style.STROKE); |
| shadePaint.setStrokeWidth(1); |
| shadePaint.setMaskFilter(new BlurMaskFilter(2, Blur.INNER)); |
| shadePaint.setColor(shadeColor); |
| } |
| |
| /* (non-Javadoc) |
| * @see android.graphics.drawable.Drawable#draw(android.graphics.Canvas) |
| */ |
| @Override |
| public void draw(Canvas canvas) { |
| canvas.drawCircle(centerX, centerY, radius, basePaint); |
| canvas.drawCircle(centerX, centerY, radius, shadePaint); |
| } |
| |
| @Override |
| protected void onBoundsChange(Rect bound) { |
| super.onBoundsChange(bound); |
| |
| centerX = bound.right - rightOffset; |
| centerY = bound.top + topOffset; |
| |
| if (lightColor != darkColor) { |
| float top = centerY - radius; |
| // Hard coded parameters are based on design mock. |
| basePaint.setShader(new LinearGradient( |
| centerX, top, centerX + 2, top + 8, lightColor, darkColor, TileMode.CLAMP)); |
| } |
| } |
| |
| @Override |
| public int getOpacity() { |
| return PixelFormat.TRANSLUCENT; |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| } |
| |
| @Override |
| public void setColorFilter(ColorFilter cf) { |
| } |
| } |