/*
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* Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: Chill 庄骞 (smallchill@163.com)
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*/
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package org.springblade.core.tool.support;
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/**
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* 图片操作类
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*
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* @author Chill
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*/
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public class ImagePosition {
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/**
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* 图片顶部.
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*/
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public static final int TOP = 32;
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/**
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* 图片中部.
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*/
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public static final int MIDDLE = 16;
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/**
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* 图片底部.
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*/
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public static final int BOTTOM = 8;
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/**
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* 图片左侧.
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*/
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public static final int LEFT = 4;
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/**
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* 图片居中.
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*/
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public static final int CENTER = 2;
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/**
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* 图片右侧.
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*/
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public static final int RIGHT = 1;
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/**
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* 横向边距，靠左或靠右时和边界的距离.
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*/
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private static final int PADDING_HORI = 6;
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/**
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* 纵向边距，靠上或靠底时和边界的距离.
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*/
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private static final int PADDING_VERT = 6;
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/**
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* 图片中盒[左上角]的x坐标.
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*/
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private int boxPosX;
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/**
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* 图片中盒[左上角]的y坐标.
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*/
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private int boxPosY;
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/**
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* Instantiates a new image position.
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*
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* @param width the width
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* @param height the height
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* @param boxWidth the box width
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* @param boxHeight the box height
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* @param style the style
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*/
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public ImagePosition(int width, int height, int boxWidth, int boxHeight, int style) {
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switch (style & 7) {
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case LEFT:
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boxPosX = PADDING_HORI;
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break;
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case RIGHT:
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boxPosX = width - boxWidth - PADDING_HORI;
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break;
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case CENTER:
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default:
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boxPosX = (width - boxWidth) / 2;
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}
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switch (style >> 3 << 3) {
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case TOP:
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boxPosY = PADDING_VERT;
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break;
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case MIDDLE:
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boxPosY = (height - boxHeight) / 2;
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break;
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case BOTTOM:
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default:
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boxPosY = height - boxHeight - PADDING_VERT;
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}
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}
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/**
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* Gets the x.
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*
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* @return the x
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*/
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public int getX() {
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return getX(0);
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}
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/**
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* Gets the x.
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*
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* @param x 横向偏移
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* @return the x
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*/
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public int getX(int x) {
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return this.boxPosX + x;
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}
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/**
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* Gets the y.
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*
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* @return the y
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*/
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public int getY() {
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return getY(0);
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}
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/**
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* Gets the y.
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*
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* @param y 纵向偏移
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* @return the y
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*/
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public int getY(int y) {
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return this.boxPosY + y;
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}
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}
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