ev3dev.hardware.display.spi

Interface FramebufferProvider

All Known Implementing Classes:

BitFramebufferProvider, RGBFramebufferProvider

public interface FramebufferProvider

Framebuffer factory service provider

Since:

2.4.7

Method Summary

Modifier and Type	Method and Description
JavaFramebuffer	createFramebuffer(NativeFramebuffer fb, DisplayInterface disp) Create and initialize a new framebuffer.
static JavaFramebuffer	load(NativeFramebuffer fb, DisplayInterface disp) Initialize system framebuffer

Method Detail

load

static JavaFramebuffer load(NativeFramebuffer fb,
                            DisplayInterface disp)
                     throws AllImplFailedException

Initialize system framebuffer

Parameters:

fb - Framebuffer device.

Returns:

Initialized framebuffer for the specified path.

Throws:

java.lang.RuntimeException - if no suitable framebuffer is found

AllImplFailedException

createFramebuffer

JavaFramebuffer createFramebuffer(NativeFramebuffer fb,
                                  DisplayInterface disp)
                           throws LastErrorException,
                                  java.lang.IllegalArgumentException

Create and initialize a new framebuffer.

Parameters:

fb - The framebuffer device (e.g. /dev/fb0)

disp - Display manager (e.g. /dev/tty)

Throws:

java.lang.IllegalArgumentException - When this framebuffer is not compatible with this device.

LastErrorException - When there was an error accessing the device.