forked from upstream-mirrors/OpenTracks
Jimmy Shih
67 lines
1.6 KiB
Java
67 lines
1.6 KiB
Java
/*
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* Copyright 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.android.apps.mytracks.maps;
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import com.google.android.apps.mytracks.MapOverlay.CachedLocation;
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import com.google.android.maps.Projection;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import java.util.List;
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/**
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* An interface for classes which paint the track path.
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*
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* @author Vangelis S.
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*/
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public interface TrackPathPainter {
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/**
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* Returns true if has path.
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*/
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public boolean hasPath();
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/**
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* Updates state. Returns true if the state is updated.
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*/
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public boolean updateState();
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/**
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* Updates the path. Creates a new path if necessary
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*
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* @param projection the projection
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* @param viewRect the view rectangle
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* @param startIndex the start index
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* @param points the points
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*/
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public void updatePath(
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Projection projection, Rect viewRect, int startIndex, List<CachedLocation> points);
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/**
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* Clears the path.
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*/
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public void clearPath();
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/**
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* Draws the path.
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*
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* @param canvas the canvas
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*/
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public void drawPath(Canvas canvas);
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}
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