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text.i
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1991-11-27
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IFND GRAPHICS_TEXT_I
GRAPHICS_TEXT_I SET 1
**
** $Filename: graphics/text.i $
** $Release: 2.04 Includes, V37.4 $
** $Revision: 37.0 $
** $Date: 91/01/07 $
**
** graphics library text structures
**
** (C) Copyright 1985-1991 Commodore-Amiga, Inc.
** All Rights Reserved
**
IFND EXEC_PORTS_I
INCLUDE "exec/ports.i"
ENDC ; EXEC_PORTS_I
IFND UTILITY_TAGITEM_I
INCLUDE "utility/tagitem.i"
ENDC ; UTILITY_TAGITEM_I
*------ Font Styles --------------------------------------------------
FS_NORMAL EQU 0 ; normal text (no style attributes set)
BITDEF FS,UNDERLINED,0 ; underlined (under baseline)
BITDEF FS,BOLD,1 ; bold face text (ORed w/ shifted right 1)
BITDEF FS,ITALIC,2 ; italic (slanted 1:2 right)
BITDEF FS,EXTENDED,3 ; extended face (must be designed)
BITDEF FS,COLORFONT,6 ; this uses ColorTextFont structure
BITDEF FS,TAGGED,7 ; the TextAttr is really an TTextAttr,
*------ Font Flags ---------------------------------------------------
BITDEF FP,ROMFONT,0 ; font is in rom
BITDEF FP,DISKFONT,1 ; font is from diskfont.library
BITDEF FP,REVPATH,2 ; designed path is reversed (e.g. left)
BITDEF FP,TALLDOT,3 ; designed for hires non-interlaced
BITDEF FP,WIDEDOT,4 ; designed for lores interlaced
BITDEF FP,PROPORTIONAL,5 ; character sizes vary from tf_XSize
BITDEF FP,DESIGNED,6 ; size is "designed", not constructed
* ; note: if you do not set this bit in your
* ; textattr, then a font may be constructed
* ; for you by scaling an existing rom or disk
* ; font (under V36 and above).
;-- bit 7 is always clear for fonts on the graphics font list
BITDEF FP,REMOVED,7 ; the font has been removed
******* TextAttr node ************************************************
STRUCTURE TextAttr,0
APTR ta_Name ; name of the desired font
UWORD ta_YSize ; height of the desired font
UBYTE ta_Style ; desired font style
UBYTE ta_Flags ; font preferences flags
LABEL ta_SIZEOF
STRUCTURE TTextAttr,0
APTR tta_Name ; name of the desired font
UWORD tta_YSize ; height of the desired font
UBYTE tta_Style ; desired font style
UBYTE tta_Flags ; font preferences flags
APTR tta_Tags ; extended attributes
LABEL tta_SIZEOF
******* Text Tags ****************************************************
TA_DeviceDPI EQU 1!TAG_USER ; Tag value is Point union:
; Hi word XDPI, Lo word YDPI
MAXFONTMATCHWEIGHT EQU 32767 ; perfect match from WeighTAMatch
******* TextFont node ************************************************
STRUCTURE TextFont,MN_SIZE ; reply message for font removal
; font name in LN_NAME \ used in this
UWORD tf_YSize ; font height | order to best
UBYTE tf_Style ; font style | match a font
UBYTE tf_Flags ; preference attributes / request.
UWORD tf_XSize ; nominal font width
UWORD tf_Baseline ; distance from the top of char to baseline
UWORD tf_BoldSmear ; smear to affect a bold enhancement
UWORD tf_Accessors ; access count
UBYTE tf_LoChar ; the first character described here
UBYTE tf_HiChar ; the last character described here
APTR tf_CharData ; the bit character data
UWORD tf_Modulo ; the row modulo for the strike font data
APTR tf_CharLoc ; ptr to location data for the strike font
; 2 words: bit offset then size
APTR tf_CharSpace ; ptr to words of proportional spacing data
APTR tf_CharKern ; ptr to words of kerning data
LABEL tf_SIZEOF
tf_Extension EQU MN_REPLYPORT
;------ tfe_Flags0 (partial definition) ------------------------------
BITDEF TE0,NOREMFONT,0 ; disallow RemFont for this font
STRUCTURE TextFontExtension,0 ; this structure is read-only
UWORD tfe_MatchWord ; a magic cookie for the extension
UBYTE tfe_Flags0 ; (system private flags)
UBYTE tfe_Flags1 ; (system private flags)
APTR tfe_BackPtr ; validation of compilation
APTR tfe_OrigReplyPort ; original value in tf_Extension
APTR tfe_Tags ; Text Tags for the font
APTR tfe_OFontPatchS ; (system private use)
APTR tfe_OFontPatchK ; (system private use)
; this space is reserved for future expansion
LABEL tfe_SIZEOF ; (but allocated only by the system)
******* ColorTextFont node *******************************************
;------ ctf_Flags ----------------------------------------------------
CT_COLORFONT EQU $0001 ; color map contains designer's colors
CT_GREYFONT EQU $0002 ; color map describes even-stepped brightnesses
; from low to high
CT_ANTIALIAS EQU $0004 ; zero background thru fully saturated char
BITDEF CT,MAPCOLOR,0 ; map ctf_FgColor to the rp_FgPen if the former
; is a valid color within ctf_Low..ctf_High
;------ ColorFontColors ----------------------------------------------
STRUCTURE ColorFontColors,0
UWORD cfc_Reserved ; must be zero
UWORD cfc_Count ; number of entries in cfc_ColorTable
APTR cfc_ColorTable ; 4 bit per component color map packed xRGB
LABEL cfc_SIZEOF
;------ ColorTextFont ------------------------------------------------
STRUCTURE ColorTextFont,tf_SIZEOF
UWORD ctf_Flags ; extended flags
UBYTE ctf_Depth ; number of bit planes
UBYTE ctf_FgColor ; color that is remapped to FgPen
UBYTE ctf_Low ; lowest color represented here
UBYTE ctf_High ; highest color represented here
UBYTE ctf_PlanePick ; PlanePick ala Images
UBYTE ctf_PlaneOnOff ; PlaneOnOff ala Images
APTR ctf_ColorFontColors ; struct ColorFontColors * for font
STRUCT ctf_CharData,8*4 ; pointers to bit planes ala tf_CharData
LABEL ctf_SIZEOF
******* TextExtent node **********************************************
STRUCTURE TextExtent,0
UWORD te_Width ; same as TextLength
UWORD te_Height ; same as tf_YSize
STRUCT te_Extent,8 ; WORD MinX, MinY, MaxX, MaxY relative to CP
LABEL te_SIZEOF
ENDC ; GRAPHICS_TEXT_I