GDI Functions for Display Drivers (Compact 2013)

3/26/2014

The following table shows the system-supplied GDI functions that a display or printer driver can call, with a description of the purpose of each.

Programming element	Description
BRUSHOBJ_pvAllocRbrush	This function allocates memory that the display driver requires for realization of a specified brush.
BRUSHOBJ_pvGetRbrush	This function retrieves a pointer to the realization of a specified brush.
CLIPOBJ_bEnum	This function enumerates a batch of rectangles from a specified clip region. A prior call to the CLIPOBJ_cEnumStart determines the order of enumeration.
CLIPOBJ_cEnumStart	This function sets parameters for enumerating rectangles in a specified clip region.
EngCreateDeviceBitmap	This function requests GDI to create a handle to a bitmap image.
EngCreateDeviceSurface	This function creates and returns a handle to a surface that the driver manages.
EngCreatePalette	This function sends a request to GDI to create a palette.
EngDeleteSurface	This function deletes a specified surface.
PALOBJ_cGetColors	This function copies colors from an indexed palette.
PATHOBJ_bEnum	This function retrieves the next record from a PATHDATA structure for a specified path and enumerates the curves in the path.
PATHOBJ_vEnumStart	This function notifies a specified PATHOBJ structure that the driver is to call the PATHOBJ_bEnum function to enumerate lines or curves in the path.
PATHOBJ_vGetBounds	This function retrieves the bounding rectangle for the specified path.
XLATEOBJ_cGetPalette	This function retrieves colors from a specified palette or the bitfields format of the palette.

See Also