Package 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	Description
static enum	GLViewport.Position

Field Summary

Fields

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

Method Summary

Modifier and Type	Method	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 Details

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 Details

GLViewport

public GLViewport()

Method Details

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