Package jgl.context.render

Class gl_depth

java.lang.Object

jgl.context.render.gl_render

jgl.context.render.gl_depth

Direct Known Subclasses:

gl_smooth, gl_tex, gle_phong

public class gl_depth
extends gl_render

gl_depth is the rendering class for depth of JavaGL 2.1.

Version:

0.4, 29 Nov 1999

Author:

Robin Bing-Yu Chen

Field Summary

Fields

Modifier and Type	Field	Description
protected float	dzdx
protected float	dzdy
protected float	LeftPointZ
protected float[]	LineZ
protected float	z

Fields inherited from class jgl.context.render.gl_render

CC, color, dxl, dxr, dyl, dyl2, dyr, dyr2, LeftPoint, pixel, RightPoint, x, y

Constructor Summary

Constructors

Constructor	Description
gl_depth(gl_context cc)

Method Summary

Modifier and Type	Method	Description
protected void	dec_x()
protected void	draw_horizontal_line(int y)
protected void	draw_horizontal_line(int x1, int x2, int y, float z1)	Draw a flat horizontal line in the Color Buffer with depth value, assume that x1 is in the left side of x2
protected void	inc_x()
protected void	inc_y()
protected void	inc_y_more()
protected void	inc_y_once()
protected void	init(gl_vertex v1, gl_vertex v2)
protected void	init(gl_vertex v1, gl_vertex v2, gl_vertex v3)
protected void	init_dx(int dx)
protected void	init_dx_dy(int area, int left, int right, int top)
protected void	init_dy(int dy)
protected void	init_other(boolean delta, int dy)
protected void	init_z(gl_vertex v1, gl_vertex v2)
protected void	init_z(gl_vertex v1, gl_vertex v2, gl_vertex v3)
protected void	init_z_dx(int dx)
protected void	init_z_dx_dy(int area, int left, int right, int top)
protected void	init_z_dy(int dy)
protected void	init_z_other(boolean delta, int dy)
protected void	put_pixel()	Will color the given pixel WITHOUT verifying depth buffer (see put_pixel()
protected void	put_pixel_by_index()	Will color the given pixel WITHOUT verifying depth buffer (see put_pixel_by_index()
protected void	set_first_point()
protected void	set_first_z()
protected void	set_left(int pos)
protected void	set_left_z(int pos)
protected void	z_dec_x()
protected void	z_inc_x()
protected void	z_inc_y()
protected void	z_inc_y_more()
protected void	z_inc_y_once()

Methods inherited from class jgl.context.render.gl_render

dec_x_inc_y, draw_horizontal_line, draw_horizontal_line, draw_line, draw_line, draw_point, draw_point, draw_polygon, draw_polygon, draw_triangle, draw_triangle, inc_left, inc_left_xy, inc_right, inc_right_xy, inc_x_inc_y, init_dx_dy, init_left, init_left_xy, init_right, init_right_xy, init_xy, init_xy, set_first_xy, set_left_xy, set_pixel, set_right, set_right_xy, x_dec_x, x_inc_x, y_inc_y

Methods inherited from class java.lang.Object

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

Field Details

LineZ

protected float[] LineZ

z

protected float z

dzdx

protected float dzdx

dzdy

protected float dzdy

LeftPointZ

protected float LeftPointZ

Constructor Details

gl_depth

public gl_depth(gl_context cc)

Method Details

init_z

protected void init_z(gl_vertex v1,
 gl_vertex v2)

init

protected void init(gl_vertex v1,
 gl_vertex v2)

Overrides:

init in class gl_render

set_first_z

protected void set_first_z()

set_first_point

protected void set_first_point()

Overrides:

set_first_point in class gl_render

init_z_dx

protected void init_z_dx(int dx)

init_z_dy

protected void init_z_dy(int dy)

init_dx

protected void init_dx(int dx)

Overrides:

init_dx in class gl_render

init_dy

protected void init_dy(int dy)

Overrides:

init_dy in class gl_render

z_inc_x

protected void z_inc_x()

z_dec_x

protected void z_dec_x()

z_inc_y

protected void z_inc_y()

inc_x

protected void inc_x()

Overrides:

inc_x in class gl_render

dec_x

protected void dec_x()

Overrides:

dec_x in class gl_render

inc_y

protected void inc_y()

Overrides:

inc_y in class gl_render

put_pixel

protected void put_pixel()

Description copied from class: gl_render

Will color the given pixel WITHOUT verifying depth buffer (see put_pixel()

Overrides:

put_pixel in class gl_render

put_pixel_by_index

protected void put_pixel_by_index()

Description copied from class: gl_render

Will color the given pixel WITHOUT verifying depth buffer (see put_pixel_by_index()

Overrides:

put_pixel_by_index in class gl_render

draw_horizontal_line

protected void draw_horizontal_line(int x1,
 int x2,
 int y,
 float z1)

Draw a flat horizontal line in the Color Buffer with depth value, assume that x1 is in the left side of x2

init_z

protected void init_z(gl_vertex v1,
 gl_vertex v2,
 gl_vertex v3)

init

protected void init(gl_vertex v1,
 gl_vertex v2,
 gl_vertex v3)

Overrides:

init in class gl_render

set_left_z

protected void set_left_z(int pos)

set_left

protected void set_left(int pos)

Overrides:

set_left in class gl_render

init_z_dx_dy

protected void init_z_dx_dy(int area,
 int left,
 int right,
 int top)

init_dx_dy

protected void init_dx_dy(int area,
 int left,
 int right,
 int top)

Overrides:

init_dx_dy in class gl_render

init_z_other

protected void init_z_other(boolean delta,
 int dy)

init_other

protected void init_other(boolean delta,
 int dy)

Overrides:

init_other in class gl_render

z_inc_y_once

protected void z_inc_y_once()

inc_y_once

protected void inc_y_once()

Overrides:

inc_y_once in class gl_render

z_inc_y_more

protected void z_inc_y_more()

inc_y_more

protected void inc_y_more()

Overrides:

inc_y_more in class gl_render

draw_horizontal_line

protected void draw_horizontal_line(int y)

Overrides:

draw_horizontal_line in class gl_render