org.oscim.renderer

Class GLViewport

java.lang.Object

org.oscim.map.Viewport

org.oscim.renderer.GLViewport

public class GLViewport
extends Viewport

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GLViewport.Position

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	changed
GLMatrix	mvp For temporary use, to setup MVP-Matrix
float[]	plane Do not modify!
MapPosition	pos
GLMatrix	proj Do not modify!
GLMatrix	view Do not modify!
GLMatrix	viewproj Do not modify!

Fields inherited from class org.oscim.map.Viewport

MAX_TILT, MAX_ZOOM_LEVEL, mHeight, MIN_TILT, MIN_ZOOM_LEVEL, mMaxBearing, mMaxRoll, mMaxScale, mMaxTilt, mMaxX, mMaxY, mMinBearing, mMinRoll, mMinScale, mMinTilt, mMinX, mMinY, mMovePoint, mPos, mProjMatrix, mProjMatrixInverse, mProjMatrixUnscaled, mRotationMatrix, mTmpMatrix, mu, mUnprojMatrix, mv, mViewCoords, mViewMatrix, mViewProjMatrix, mWidth, VIEW_DISTANCE, VIEW_FAR, VIEW_NEAR, VIEW_SCALE

Constructor Summary

Constructors

Constructor and Description
GLViewport()

Method Summary

Modifier and Type	Method and Description
boolean	changed()
float	getHeight()
float	getWidth()
void	useScreenCoordinates(boolean center, float scale) Set MVP so that coordinates are in screen pixel coordinates with 0,0 being center
void	useScreenCoordinates(int width, int height, GLViewport.Position position, float xOffset, float yOffset, float scale) Set MVP so that coordinates are in screen pixel coordinates with 0,0 being center

Methods inherited from class org.oscim.map.Viewport

copy, fromScreenPoint, fromScreenPoint, getBBox, getMapExtents, getMapLimit, getMapPosition, getMaxBearing, getMaxRoll, getMaxScale, getMaxTilt, getMaxX, getMaxY, getMaxZoomLevel, getMinBearing, getMinRoll, getMinScale, getMinTilt, getMinX, getMinY, getMinZoomLevel, limitPosition, limitScale, limitTilt, setMapLimit, setMapLimit, setMaxBearing, setMaxRoll, setMaxScale, setMaxTilt, setMaxX, setMaxY, setMaxZoomLevel, setMinBearing, setMinRoll, setMinScale, setMinTilt, setMinX, setMinY, setMinZoomLevel, toScreenPoint, toScreenPoint, toScreenPoint, toScreenPoint, unproject, unprojectScreen

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

viewproj

public final GLMatrix viewproj

Do not modify!

proj

public final GLMatrix proj

Do not modify!

view

public final GLMatrix view

Do not modify!

plane

public final float[] plane

Do not modify!

mvp

public final GLMatrix mvp

For temporary use, to setup MVP-Matrix

pos

public final MapPosition pos

changed

protected boolean changed

Constructor Detail

GLViewport

public GLViewport()

Method Detail

useScreenCoordinates

public void useScreenCoordinates(boolean center,
                                 float scale)

Set MVP so that coordinates are in screen pixel coordinates with 0,0 being center

useScreenCoordinates

public void useScreenCoordinates(int width,
                                 int height,
                                 GLViewport.Position position,
                                 float xOffset,
                                 float yOffset,
                                 float scale)

Set MVP so that coordinates are in screen pixel coordinates with 0,0 being center

changed

public boolean changed()

getWidth

public float getWidth()

Returns:

width in pixels

getHeight

public float getHeight()

Returns:

height in pixels