Unit 'CYBERGRAPHICS'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#morphunits]

DoCDrawMethodTagList

Do the given hook for the supplied rastport

Declaration

Source position: cybergraphics.pas line 303

procedure DoCDrawMethodTagList(

Hook: PHook;

a1arg: PRastPort;

TagList: PTagItem

);

Arguments

`Hook`		Pointer to callback hook which will be called
`a1arg`		A pointer to a cybergraphics RastPort
`TagList`		optional taglist, currently not used. Set it to nil!

Description

This function will call the given hook for the given rastport. Is is mainly used to do direct bitmap modifications in a locked graphics environment. You have to support all known color models, so only use this call if you really need it!!

Hook call parameter

object

PRastPort

message

pointer to TCDrawMsg:

MemPtr: APTR
XOffset: LongWord
YOffset: LongWord
XSize: LongWord
YSize: LongWord
BytesPerRow: Word
BytesPerPix: Word
ColorModel: Word

where colormodel is on of following: PIXFMT_LUT8, PIXFMT_RGB15, PIXFMT_BGR15, PIXFMT_RGB15PC, PIXFMT_BGR15PC, PIXFMT_RGB16, PIXFMT_BGR16, PIXFMT_RGB16PC, PIXFMT_BGR16PC, PIXFMT_RGB24, PIXFMT_BGR24, PIXFMT_ARGB32, PIXFMT_BGRA32, PIXFMT_RGBA32

Errors

In previous autodocs, the bytesperrow message field was described as an LongWord which in fact was an Word.