workbench/libs/muimaster/textengine.h

   1 /*
   2     Copyright © 1999, David Le Corfec.
   3     Copyright © 2002-2018, The AROS Development Team.
   4     All rights reserved.
   5
   6     $Id$
   7 */
   8
   9 #ifndef _MUI_TEXTENGINE_H__
  10 #define _MUI_TEXTENGINE_H__
  11
  12 /* This is the clone of the MUI text engine, used by the Text class
  13  * and all class needing to draw text strings.
  14  *
  15  */
  16
  17 struct MUI_ImageSpec_intern;
  18
  19 typedef struct ZTextChunk {
  20     struct MinNode node; /* embedded node */
  21     char                 *str;
  22     CONST_STRPTR          spec;
  23     struct MUI_ImageSpec_intern *image;
  24     Object               *obj; /* Area subclass, see List_CreateImage */
  25     struct MUI_AlphaData *alpha_data;
  26     LONG                  dripen;
  27     LONG                  pen;
  28     UBYTE                 style; /* FSF_UNDERLINED, FSF_BOLD, ... */
  29     WORD                  cwidth;
  30     WORD                  cheight;
  31 } ZTextChunk;
  32
  33 typedef struct ZTextLine {
  34     struct MinNode node;       /* embedded node */
  35     UBYTE  align;              /* ZTL_CENTER, ZTL_RIGHT, ZTL_LEFT */
  36     struct MinList chunklist;
  37     WORD   lwidth;
  38     WORD   lheight;
  39 } ZTextLine;
  40
  41 struct ZText {
  42     WORD width; /* store calculated bounds - read only ! */
  43     WORD height;
  44
  45 /* private */
  46     struct MinList lines;
  47 };
  48
  49 typedef struct ZText ZText;
  50
  51 /* zune_text_new argtypes */
  52 enum {
  53     ZTEXT_ARG_NONE,
  54     ZTEXT_ARG_HICHAR,    /* following arg is the HiChar */
  55     ZTEXT_ARG_HICHARIDX, /* following arg is the HiCharIdx */
  56 };
  57
  58 ZText *zune_text_new (CONST_STRPTR preparse, CONST_STRPTR content,
  59     int argtype, TEXT arg);
  60 void zune_text_destroy (ZText *text);
  61 void zune_text_get_bounds (ZText *text, Object *obj);
  62 void zune_text_draw (ZText *text, Object *obj, WORD left, WORD right,
  63     WORD top);
  64
  65 #endif