com.atakmap.android.image.equirectangular

Class GLTexturedSphereProgram

java.lang.Object

com.atakmap.android.image.equirectangular.GLTexturedSphereProgram

public class GLTexturedSphereProgram
extends java.lang.Object

Encapsulates and OpenGL shader program and geometry for rendering a sphere textured on the inside face. Call members only when holding valid GL context!

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GLTexturedSphereProgram.GLProgramException Exception specialization thrown by this class

Constructor Summary

Constructors

Constructor and Description
GLTexturedSphereProgram(android.graphics.Bitmap texture) Create new textured sphere program.

Method Summary

Modifier and Type	Method and Description
void	draw(float[] viewTransform) Draw the textured sphere using the given view transformation
void	uploadTexture(android.graphics.Bitmap bitmap) Upload new texture data, replacing any old texture data.

Methods inherited from class java.lang.Object

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

Constructor Detail

GLTexturedSphereProgram

public GLTexturedSphereProgram(android.graphics.Bitmap texture)
                        throws GLTexturedSphereProgram.GLProgramException

Create new textured sphere program. Uses supplied bitmap for texture if non-null

Parameters:

texture - bitmap to use as sphere's texture or null to defer texture upload

Throws:

GLTexturedSphereProgram.GLProgramException - if an error occurs during program creation

Method Detail

uploadTexture

public void uploadTexture(android.graphics.Bitmap bitmap)
                   throws GLTexturedSphereProgram.GLProgramException

Upload new texture data, replacing any old texture data.

Parameters:

bitmap - new image to use as texture of the sphere

Throws:

GLTexturedSphereProgram.GLProgramException - if an error occurs

draw

public void draw(float[] viewTransform)
          throws GLTexturedSphereProgram.GLProgramException

Draw the textured sphere using the given view transformation

Parameters:

viewTransform - transformation matrix to apply to sphere

Throws:

GLTexturedSphereProgram.GLProgramException - if an error occurs while drawing