Gamma/Photon : Using Gamma™ with the Photon microGUI®, Version 1.1
	Widget Classes

`PtDBContainer`

PtDBContainer — A double-buffered container that eliminates screen flicker.

Synopsis

class PtDBContainer PtContainer
{
    db_image_type;        // integer  (Pt_ARG_DB_IMAGE_TYPE)    
    memory_image_type;    // integer  (Pt_ARG_DB_MEMORY_CONTEXT_TYPE)    
}

Base Classes

PtWidget <-- PtBasic <-- PtContainer <-- PtDBContainer

Description

This widget is a special sub-class of PtContainer that allocates extra memory (double buffer) to eliminate screen flicker for child widgets and animations.

For detailed information, please refer to PtDBContainer in the Photon documentation.

Instance Variables

db_image_type

This instance variable specifies the image format, and may have one of the following values:

Constant	Description
`Pg_IMAGE_PALETTE_BYTE`	An image format indexed directly to the current palette, using 1 pixel per byte, for up to 256 colors. This is the default.
`Pg_IMAGE_DIRECT_888`	An image format consisting of an array of 4-byte color entries, in the format [r g b x], where x is reserved.

memory_image_type

This instance variable specifies when an image is drawn to memory, and may have one of the following values:

Constant	Description
`Pm_PHS_CONTEXT`	Keeps the image in the PHS (Photon draw stream) as long as possible. This is the default.
`Pm_IMAGE_CONTEXT`	Immediately draws to the memory image.


PtContainer		PtDivider