gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.fmap / src / main / java / org / gvsig / raster / fmap / layers / Multiresolution.java @ 1356
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| 1 | 329 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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| 2 | *
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| 3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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| 4 | * of the Valencian Government (CIT)
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * as published by the Free Software Foundation; either version 2
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| 9 | * of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| 19 | * MA 02110-1301, USA.
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| 20 | *
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| 21 | */
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| 22 | package org.gvsig.raster.fmap.layers; |
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| 23 | |||
| 24 | import java.awt.geom.Point2D; |
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| 25 | |||
| 26 | 1356 | nbrodin | import org.gvsig.fmap.dal.exception.InitializeException; |
| 27 | 329 | nbrodin | import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
| 28 | import org.gvsig.fmap.geom.primitive.Envelope; |
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| 29 | |||
| 30 | /**
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| 31 | * Layers with levels of multiresolution support
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| 32 | *
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| 33 | * @author Nacho Brodin (nachobrodin@gmail.com)
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| 34 | *
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| 35 | */
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| 36 | public interface Multiresolution { |
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| 37 | /**
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| 38 | * Returns true if the multiresolution is enabled
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| 39 | * @return
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| 40 | */
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| 41 | public boolean isEnabledMultiresolution(); |
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| 42 | |||
| 43 | /**
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| 44 | * Gets the current zoom level
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| 45 | * @return
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| 46 | */
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| 47 | public int getZoomLevel(); |
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| 48 | |||
| 49 | /**
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| 50 | * Sets the current zoom level
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| 51 | * @param zoomLevel
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| 52 | */
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| 53 | public void setZoomLevel(int zoomLevel); |
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| 54 | |||
| 55 | /**
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| 56 | * Increase the current zoom level
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| 57 | */
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| 58 | public boolean increaseZoomLevel(); |
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| 59 | |||
| 60 | /**
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| 61 | * Decrease the current zoom level
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| 62 | */
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| 63 | public boolean decreaseZoomLevel(); |
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| 64 | |||
| 65 | /**
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| 66 | * Calculates the bounding box of a zoom level using a center defined in pixels.
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| 67 | * It's possible to define the center in pixels because a level of resolution has
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| 68 | * a pixel size.
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| 69 | * @param center
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| 70 | * center in world coordinates
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| 71 | * @param level
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| 72 | * level of resolution
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| 73 | * @param w
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| 74 | * width in pixels
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| 75 | * @param h
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| 76 | * height in pixels
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| 77 | * @return
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| 78 | */
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| 79 | public Envelope getCoordsInLevel(Point2D center, int level, int w, int h) throws CreateEnvelopeException; |
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| 80 | 333 | nbrodin | |
| 81 | /**
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| 82 | * Sets a tile server to create a second level of cache. This second level will be
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| 83 | * created if the cache structure is different to the current.
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| 84 | * @param tileServer
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| 85 | */
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| 86 | 1356 | nbrodin | public void setTileServer(Class<?> tileServer) throws InitializeException; |
| 87 | 329 | nbrodin | } |