/* * 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.android.maps.rendertheme.renderinstruction; import java.util.List; import org.mapsforge.android.maps.rendertheme.RenderCallback; import org.mapsforge.core.model.Tag; /** * A RenderInstruction is a basic graphical primitive to draw a map. */ public interface RenderInstruction { /** * Destroys this RenderInstruction and cleans up all its internal resources. */ void destroy(); /** * @param renderCallback * a reference to the receiver of all render callbacks. * @param tags * the tags of the node. */ void renderNode(RenderCallback renderCallback, List<Tag> tags); /** * @param renderCallback * a reference to the receiver of all render callbacks. * @param tags * the tags of the way. */ void renderWay(RenderCallback renderCallback, List<Tag> tags); /** * Scales the stroke width of this RenderInstruction by the given factor. * * @param scaleFactor * the factor by which the stroke width should be scaled. */ void scaleStrokeWidth(float scaleFactor); /** * Scales the text size of this RenderInstruction by the given factor. * * @param scaleFactor * the factor by which the text size should be scaled. */ void scaleTextSize(float scaleFactor); }