/* The MIT License (MIT) * * Copyright (c) 2015 Reinventing Geospatial, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.rgi.geopackage.tiles; /** * @author Luke Lambert * */ public class TileMatrix { /** * Constructor * * @param tableName * Name of the tile set table that this tile matrix corresponds to * @param zoomLevel * The zoom level of the associated tile set (0 <= zoomLevel <= max_level) * @param matrixWidth * The number of columns (>= 1) for this tile at this zoom level * @param matrixHeight * The number of rows (>= 1) for this tile at this zoom level * @param tileWidth * The tile width in pixels (>= 1) at this zoom level * @param tileHeight * The tile height in pixels (>= 1) at this zoom level * @param pixelXSize * The width of the associated tile set's spatial reference system or default meters for an undefined geographic coordinate reference system (SRS id 0) (> 0) (SRS units per pixel) * @param pixelYSize * The height of the associated tile set's spatial reference system or default meters for an undefined geographic coordinate reference system (SRS id 0) (> 0) (SRS units per pixel) */ protected TileMatrix(final String tableName, final int zoomLevel, final int matrixWidth, final int matrixHeight, final int tileWidth, final int tileHeight, final double pixelXSize, final double pixelYSize) { if(tableName == null || tableName.isEmpty()) { throw new IllegalArgumentException("Table name may not be null or empty"); } if(zoomLevel < 0) { throw new IllegalArgumentException("Zoom level may not be less than 0"); } if(matrixWidth <= 0) { throw new IllegalArgumentException("Matrix width must be greater than 0"); } if(matrixHeight <= 0) { throw new IllegalArgumentException("Matrix height must be greater than 0"); } if(tileWidth <= 0) { throw new IllegalArgumentException("Tile width must be greater than 0"); } if(tileHeight <= 0) { throw new IllegalArgumentException("Matrix height must be greater than 0"); } if(pixelXSize <= 0.0) { throw new IllegalArgumentException("Pixel X size must be greater than 0.0"); } if(pixelYSize <= 0.0) { throw new IllegalArgumentException("Pixel Y size must be greater than 0.0"); } this.tableName = tableName; this.zoomLevel = zoomLevel; this.matrixWidth = matrixWidth; this.matrixHeight = matrixHeight; this.tileWidth = tileWidth; this.tileHeight = tileHeight; this.pixelXSize = pixelXSize; this.pixelYSize = pixelYSize; } /** * @return the table name of the associated tile set */ public String getTableName() { return this.tableName; } /** * @return the zoom level of the associated tile set (0 <= zoomLevel <= max_level) */ public int getZoomLevel() { return this.zoomLevel; } /** * @return the number of columns (>= 1) for this tile at this zoom level */ public int getMatrixWidth() { return this.matrixWidth; } /** * @return the number of rows (>= 1) for this tile at this zoom level */ public int getMatrixHeight() { return this.matrixHeight; } /** * @return the tile width in pixels (>= 1) at this zoom level */ public int getTileWidth() { return this.tileWidth; } /** * @return the tile height in pixels (>= 1) at this zoom level */ public int getTileHeight() { return this.tileHeight; } /** * @return the width of the associated tile set's spatial reference system or default meters for an undefined geographic coordinate reference system (SRS id 0) (SRS units per pixel) */ public double getPixelXSize() { return this.pixelXSize; } /** * @return the height of the associated tile set's spatial reference system or default meters for an undefined geographic coordinate reference system (SRS id 0) (SRS units per pixel) */ public double getPixelYSize() { return this.pixelYSize; } /** * @param inTableName * The tableName of the other tile matrix * @param inZoomLevel * The zoomLevel of the other tile matrix * @param inMatrixWidth * The matrixWidth (number of tiles wide) of the other tile matrix * @param inMatrixHeight * The matrixHeight (number of tiles high)of the other tile matrix * @param inTileWidth * The tileWidth in pixels of the other tile matrix * @param inTileHeight * The tileHeight in pixels of the other tile matrix * @param inPixelXSize * The pixelXSize (units/pixel) of the other tile matrix * @param inPixelYSize * The pixelYSize (units/pixel) of the other tile matrix * @return true if this tile matrix equals the parameter values; otherwise returns false */ public boolean equals(final String inTableName, final int inZoomLevel, final int inMatrixWidth, final int inMatrixHeight, final int inTileWidth, final int inTileHeight, final double inPixelXSize, final double inPixelYSize) { return this.tableName.equals(inTableName) && this.zoomLevel == inZoomLevel && this.matrixWidth == inMatrixWidth && this.matrixHeight == inMatrixHeight && this.tileWidth == inTileWidth && this.tileHeight == inTileHeight && this.pixelXSize == inPixelXSize && this.pixelYSize == inPixelYSize; } private final String tableName; private final int zoomLevel; private final int matrixWidth; private final int matrixHeight; private final int tileWidth; private final int tileHeight; private final double pixelXSize; private final double pixelYSize; }