/* * Copyright 2010, 2011, 2012 mapsforge.org * * This program is free software: you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ package org.mapsforge.map.rendertheme.renderinstruction; import java.util.List; import org.mapsforge.core.model.Tag; import org.mapsforge.map.graphics.Paint; import org.mapsforge.map.rendertheme.RenderCallback; /** * Represents a text along a polyline on the map. */ public class PathText implements RenderInstruction { private final Paint fill; private final float fontSize; private final Paint stroke; private final TextKey textKey; PathText(PathTextBuilder pathTextBuilder) { this.fill = pathTextBuilder.fill; this.fontSize = pathTextBuilder.fontSize; this.stroke = pathTextBuilder.stroke; this.textKey = pathTextBuilder.textKey; } @Override public void destroy() { // do nothing } @Override public void renderNode(RenderCallback renderCallback, List<Tag> tags) { // do nothing } @Override public void renderWay(RenderCallback renderCallback, List<Tag> tags) { String caption = this.textKey.getValue(tags); if (caption == null) { return; } renderCallback.renderWayText(caption, this.fill, this.stroke); } @Override public void scaleStrokeWidth(float scaleFactor) { // do nothing } @Override public void scaleTextSize(float scaleFactor) { this.fill.setTextSize(this.fontSize * scaleFactor); this.stroke.setTextSize(this.fontSize * scaleFactor); } }