com.partnersoft.gui
Class EZ2DGL

java.lang.Object
  com.partnersoft.gui.EZ2DGL

All Implemented Interfaces:

RoverConstants

public class EZ2DGL
extends java.lang.Object
implements RoverConstants

A wrapper for GLCanvas that provides a simpler, 2D-only API. Takes care of fonts, textures, events, etc.

Author:

Paul Reavis Copyright 2004 Partner Software, Inc.

Field Summary

EZ2DGLCanvas	canvas
double	centerX
double	centerY
GLFont	currentFont
int	currentFontID
GLTexture	currentTexture
int	currentTextureID
javax.media.opengl.GL	gl
javax.media.opengl.glu.GLU	glu
double	originX
double	originY
double	rotation
double	scale
protected java.nio.ByteBuffer	selectionBufferBytes
double	tileScale

Fields inherited from interface com.partnersoft.io.formats.rover.RoverConstants

ALIGN_BOTTOM_CENTER, ALIGN_BOTTOM_FIT, ALIGN_BOTTOM_LEFT, ALIGN_BOTTOM_RIGHT, ALIGN_CENTER, ALIGN_CENTER_LEFT, ALIGN_CENTER_RIGHT, ALIGN_CODE_CENTER, ALIGN_CODE_FIT, ALIGN_CODE_HIGH, ALIGN_CODE_LOW, ALIGN_FIT, ALIGN_FIT_LEFT, ALIGN_FIT_RIGHT, ALIGN_TOP_CENTER, ALIGN_TOP_FIT, ALIGN_TOP_LEFT, ALIGN_TOP_RIGHT, COMMENT, DATA_FIELDS_MAX, EOF, FLOAT_COORDS, GEOMETRY_TYPE_NAMES, HAS_DATA, HAS_OFFSET, HAS_ROTATION, LIST, MASK_TYPECODE, NAMING, POINT, POINT_COLOR, POLYGON, POLYLINE, POP, PUSH, RENDER_FINDITEM, RENDER_INDICATION, RENDER_NORMAL, RENDER_SELECTION, ROTATION_MULT, TEXEL_COORD_MAX, TEXEL_COORD_SIZE, TEXT, TILE_COORD_MAX, TILE_SIZE_PIXELS, VALUE

Constructor Summary

EZ2DGL(EZ2DGLCanvas canvas, javax.media.opengl.GL gl, javax.media.opengl.glu.GLU glu)

Method Summary

void	clear() Clears the buffer and sets it to the background color.
void	displayThumbTwiddle()
void	drawBullseye()
void	drawCircle(int dataID, double centerX, double centerY, double radius)
void	drawPolygon(int dataID, DoubleBuffer coords) Draws a filled polygon in the foreground color.
void	drawPolyline(int dataID, DoubleBuffer coords) Draws a filled polyline in the foreground color.
void	drawString(int fontID, double x, double y, float rotation, int alignment, double fontScale, java.lang.String text)
void	drawTexture(int dataID, int textureID, double x, double y, double rotation, double textureScale) Just draws the given texture as a rotated, scaled icon.
void	drawTexture(int dataID, int textureID, double x, double y, double rotation, double scale, double red, double green, double blue, double alpha) Just draws the given texture as a rotated, scaled icon.
void	drawTriangle(double x1, double y1, double x2, double y2, double x3, double y3, double z)
int[][]	endSelection()
void	endTile()
EZ2DGLCanvas	getCanvas()
void	popName()
void	pushName(int ID)
void	setBackgroundColor(int rgb)
void	setCurrentTexture(int textureID) Sets up for drawing with textures.
void	setForegroundColor(int rgb)
void	setLineStipple(int stipple)
void	setLineWidth(float newWidth)
void	setMarchingAnts(boolean marching, boolean animated)
void	setModelView(double centerX, double centerY, double rotation, double scale) This sets the viewing parameters, specified as a centerpoint, rotation, and scale.
void	startSelection()
void	startTile(double originX, double originY, double tileScale)

Methods inherited from class java.lang.Object

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

Field Detail

centerX

public double centerX

centerY

public double centerY

rotation

public double rotation

scale

public double scale

originX

public double originX

originY

public double originY

tileScale

public double tileScale

currentTexture

public GLTexture currentTexture

currentTextureID

public int currentTextureID

gl

public javax.media.opengl.GL gl

glu

public javax.media.opengl.glu.GLU glu

currentFontID

public int currentFontID

currentFont

public GLFont currentFont

canvas

public EZ2DGLCanvas canvas

selectionBufferBytes

protected transient java.nio.ByteBuffer selectionBufferBytes

Constructor Detail

EZ2DGL

public EZ2DGL(EZ2DGLCanvas canvas,
              javax.media.opengl.GL gl,
              javax.media.opengl.glu.GLU glu)

Method Detail

displayThumbTwiddle

public void displayThumbTwiddle()

clear

public void clear()

Clears the buffer and sets it to the background color.

setBackgroundColor

public void setBackgroundColor(int rgb)

setForegroundColor

public void setForegroundColor(int rgb)

setLineWidth

public void setLineWidth(float newWidth)

setLineStipple

public void setLineStipple(int stipple)

drawTexture

public void drawTexture(int dataID,
                        int textureID,
                        double x,
                        double y,
                        double rotation,
                        double textureScale)

Just draws the given texture as a rotated, scaled icon.

drawTexture

public void drawTexture(int dataID,
                        int textureID,
                        double x,
                        double y,
                        double rotation,
                        double scale,
                        double red,
                        double green,
                        double blue,
                        double alpha)

Just draws the given texture as a rotated, scaled icon.

drawPolygon

public void drawPolygon(int dataID,
                        DoubleBuffer coords)

Draws a filled polygon in the foreground color.

drawCircle

public void drawCircle(int dataID,
                       double centerX,
                       double centerY,
                       double radius)

drawPolyline

public void drawPolyline(int dataID,
                         DoubleBuffer coords)

Draws a filled polyline in the foreground color.

drawString

public void drawString(int fontID,
                       double x,
                       double y,
                       float rotation,
                       int alignment,
                       double fontScale,
                       java.lang.String text)

getCanvas

public EZ2DGLCanvas getCanvas()

setModelView

public void setModelView(double centerX,
                         double centerY,
                         double rotation,
                         double scale)

This sets the viewing parameters, specified as a centerpoint, rotation, and scale.

startTile

public void startTile(double originX,
                      double originY,
                      double tileScale)

endTile

public void endTile()

drawTriangle

public void drawTriangle(double x1,
                         double y1,
                         double x2,
                         double y2,
                         double x3,
                         double y3,
                         double z)

startSelection

public void startSelection()

endSelection

public int[][] endSelection()

setCurrentTexture

public void setCurrentTexture(int textureID)

Sets up for drawing with textures. TextureID 0 disabled.

drawBullseye

public void drawBullseye()

pushName

public void pushName(int ID)

popName

public void popName()

setMarchingAnts

public void setMarchingAnts(boolean marching,
                            boolean animated)