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71 lines
2.3 KiB
71 lines
2.3 KiB
/* File : low_intp.h
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*
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* Description : Low-level routines for emulators called from host_print_doc().
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*
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* Author : David Rees
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*
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* SccsId : @(#)low_intp.h 1.6 09/23/94
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*
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* Mods:
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* <chrisP 27Jul91>
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* Added LQ2500 emulation - insignia.h'ified, etc
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* These routines are sort of printer independent. The idea is that when
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* a new printer emulation is added, these routines can be added to,
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* stubbed out, and change their behaviour depending on the currently
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* selected printer. The same goes for the #DEFINEs.
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*/
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/* constants */
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#define CONDENSED 0x01 /* squash chars down to 60% */
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#define DOUBLE_WIDTH 0x02 /* expand chars up to 200% */
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#define EMPHASIZED 0x01 /* like bold */
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#define DOUBLE_STRIKE 0x02 /* like bold */
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#define UNDERLINE 0x04
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#define ITALIC 0x08
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#define SUPER 0x10 /* super and sub script */
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#define SUB 0x20
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#define PROPORTIONAL -1
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#define PICA 0
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#define ELITE 1
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#define CPI15 2 /* 15 Char per inch */
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#define LQ_ROMAN 0 /* EPSON LQ font numbers */
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#define LQ_SANS_SERIF 1
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#define LQ_COURIER 2
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#define LQ_PRESTIGE 3
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#define LQ_SCRIPT 4
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#define MAX_FONT 4
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/* printer emulation globals... */
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IMPORT SHORT PrintError; /* set to tell emulations to abort */
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IMPORT SHORT HResolution; /* set by emulation to establish scaling ... */
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IMPORT SHORT VResolution; /* ... for MoveHead() routine. */
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IMPORT SHORT CurrentCol; /* current print head position ... */
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IMPORT SHORT CurrentRow; /* ... at emulated printer resolution */
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IMPORT SHORT BufferWidth; /* width of chars in print buffer (ditto) */
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/* Prototypes... */
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IMPORT BOOL host_auto_LF_for_print(VOID);
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IMPORT SHORT host_get_next_print_byte(VOID);
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IMPORT VOID host_PrintChar(IU8 ch);
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IMPORT VOID host_PrintBuffer(IU8 mode);
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IMPORT VOID host_EjectPage(VOID);
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IMPORT VOID host_CancelBuffer(VOID);
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IMPORT VOID host_DeleteCharacter(VOID);
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IMPORT VOID host_SetScale(SHORT type);
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IMPORT VOID host_ReSetScale(SHORT type);
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IMPORT VOID host_SetStyle(SHORT type);
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IMPORT VOID host_ReSetStyle(SHORT type);
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IMPORT VOID host_SelectPitch(TINY Pitch);
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IMPORT VOID host_SelectFont(TINY Font);
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IMPORT VOID host_ProcessGraphics(TINY mode, SHORT colLeft);
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IMPORT VOID host_LqClearUserDefined(VOID);
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IMPORT VOID host_LqPrintUserDefined(IU8 ch);
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IMPORT BOOL host_LqDefineUserDefined(SHORT offset, SHORT columns, IU8 ch);
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