/*
* 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.rendertheme.RenderCallback;
/**
* 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);
}