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44 Intel® Digital Set Top Box Display Driver
User’s Guide for Microsoft* Windows* CE 5.0
7.1.1.14 ICEGD_ESCAPE_SET_VIDEO_PLANE_ZORDER
Input Data Structure Output Data Structure Notes
esc_vid_plane_zorder_t N/A
IGD_ZORDER_OVERLAY_ABOVE_PLANE 0x0
IGD_ZORDER_OVERLAY_BELOW_PLANE 0x1
Description
This escape code is used to set Z-order and key color for plane based alpha support.
Input Data Structure Definition
Please refer to icegd_public_escape.h for details about esc_vid_plane_zorder_t;
Example
static unsigned long lcolorkey = 0x090900;
static unsigned long lvideo_plane_position = IGD_ZORDER_OVERLAY_BELOW_PLANE;
esc_vid_plane_zorder_t vid_plane_zorder;
memset(&vid_plane_zorder, 0, sizeof(esc_vid_plane_zorder_t));
vid_plane_zorder.ulKeyColor = lcolorkey;
vid_plane_zorder.ulZOrder = lvideo_plane_position;
ExtEscape(
Hdc,
ICEGD_ESCAPE_SET_VIDEO_PLANE_ZORDER,
sizeof(esc_vid_plane_zorder_t),
(LPCSTR)&vid_plane_zorder,
0,
NULL);