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#define DRAW_DESKTOP_BG_TILE 1

#define DRAW_DESKTOP_BG_STRETCH 2

void SetBackgroundImage(dword w,h, image, mode)

{

	$mov     eax,15      // SF_BACKGROUND_SET 15 - work with desktop background graphics

	$mov     ebx,4       // SSF_MODE_BG 4 - set drawing mode for the background

	$mov     ecx,mode    // drawing mode - tile (1), stretch (2)

	$int     64

	$mov     eax,15      // SF_BACKGROUND_SET 15 - work with desktop background graphics

	$mov     ebx,1       // SSF_SIZE_BG=1 - set a size of the background image

	$mov     ecx,w       // width

	$mov     edx,h       // height

	$int     64

	$mov     eax,15      // SF_BACKGROUND_SET 15 - work with desktop background graphics

	$mov     ebx,5       // SSF_IMAGE_BG=5 - put block of pixels on the background image

	$mov     ecx,image   // pointer to the data in the format BBGGRRBBGGRR...

	$mov     edx,0       // offset in data of the background image

	ESI      = 3*w*h;    // size of data in bytes = 3 * number of pixels

	$int     64

	$mov     eax,15      // SF_BACKGROUND_SET 15 - work with desktop background graphics

	$mov     ebx,3       // SSF_REDRAW_BG=3 - redraw background

	$int     64

}