Graphics Devices Manager

GetGDevice Tells what gDevice is now active

InitGDevice Sets video device to specific mode

NewGDevice Allocate new gDevice structure

Create and Examine gDevice Records

DisposGDevice Dispose of the current gDevice.

GetDeviceList Provides a handle to the first gDevice in the DeviceList

GetMainDevice Provides a handle to the startup gDevice.

GetMaxDevice Gives a handle to drawing area with the deepest pixMap

GetNextDevice Allocate new gDevice structure

SetDeviceAttribute Set the device's display characteristics

SetGDevice Set the specified gDevice as active

TestDeviceAttribute Check whether or not an attribute is set

Using Offscreen Graphics Devices

AllowPurgePixels Mark the pixel map's offscreen buffer as purgeable

DeviceLoop Used to search all active screens and draw you pixels

DisposeGWorld Dispose of a GDevice structure and sub structures

DisposeScreenBuffer Dispose of memory for offscreen buffer and color

table

GetGWorld Get the current graphics world

GetGWorldDevice Get a handle to the device attached to the offscreen

world

GetGWorldPixMap Get a handle to the pixel map for an offscreen

graphics world

GetPixBaseAddr Get a pointer to the beginning of the pixel map's

pixels

GetPixelsState Get state of the pixel map's offscreen buffer

HasDepth Check to see whether device supports given pixel

depth

LockPixels Lock the offscreen buffer in memory for duration of a

draw

NewGWorld High level routine to create an offscreen graphics

world

NewScreenBuffer Allocate an offscreen PixMap and an offscreen buffer

NewTempScreenBuffer Allocate an offscreen PixMap and an offscreen buffer

NoPurgePixels Mark the pixel map's offscreen buffer as unpurgeable

PixMap32Bit Determine if PixMap requires 32-bit addr mode to

access its pixels

SetDepth Set the mode of the device to a given pixel depth

SetGWorld Set the current graphics world

SetPixelsState Set state of the pixel map's offscreen buffer

UnlockPixels Unlock the buffer used by an offscreen graphics

world

UpdateGWorld Update the offscreen graphics device world

Referenced by (17):