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The source code is released under:
Apache License
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/* * Copyright 2014 Alex Curran/*from w w w.ja v a2 s. c o m*/ * * 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.github.amlcurran.showcaseview; import android.graphics.Rect; import android.util.Log; /** * Class responsible for calculating where the Showcase should position itself */ class ShowcaseAreaCalculator { private final Rect mShowcaseRect = new Rect(); /** * Creates a {@link android.graphics.Rect} which represents the area the showcase covers. Used * to calculate where best to place the text * * @return true if voidedArea has changed, false otherwise. */ public boolean calculateShowcaseRect(float x, float y, ShowcaseDrawer showcaseDrawer) { int cx = (int) x, cy = (int) y; int dw = showcaseDrawer.getShowcaseWidth(); int dh = showcaseDrawer.getShowcaseHeight(); if (mShowcaseRect.left == cx - dw / 2 && mShowcaseRect.top == cy - dh / 2) { return false; } Log.d("ShowcaseView", "Recalculated"); mShowcaseRect.left = cx - dw / 2; mShowcaseRect.top = cy - dh / 2; mShowcaseRect.right = cx + dw / 2; mShowcaseRect.bottom = cy + dh / 2; return true; } public Rect getShowcaseRect() { return mShowcaseRect; } }