workbench/printers/printers_intern.h

   1 /*
   2  * Copyright (C) 2012, The AROS Development Team.  All rights reserved.
   3  * Author: Jason S. McMullan <jason.mcmullan@gmail.com>
   4  *
   5  * Licensed under the AROS PUBLIC LICENSE (APL) Version 1.1
   6  */
   7
   8 #ifndef PRINTERS_INTERN_H
   9 #define PRINTERS_INTERN_H
  10
  11 #include <devices/prtbase.h>
  12
  13 /* .text tag that helps identify this as a printer drivers.
  14  * The ELF header already told us the architecture
  15  */
  16 #define PRINTER_MAGIC   0x70004e75      /* m68k's moveq #0,%d0, rts */
  17
  18 struct PrinterMagicHeader {
  19     ULONG pmh_Magic;
  20     UWORD pmh_Version;
  21     UWORD pmh_Revision;
  22     struct PrinterExtendedData pmh_PED;
  23 };
  24
  25 #define PRINTER_TAG(PED, version, revision, ped...) \
  26     __section(".tag.printer") __used static struct PrinterMagicHeader pmh = { \
  27         .pmh_Magic = PRINTER_MAGIC, \
  28         .pmh_Version = (version), \
  29         .pmh_Revision = (revision), \
  30         .pmh_PED = { ped } }; \
  31     struct PrinterExtendedData *PED = &pmh.pmh_PED;
  32
  33 /* 'status' codes sent to the ped_Render() routine
  34  */
  35
  36 /* PRS_INIT - Initialize page for printing
  37  *
  38  * ct - pointer to IODRPReq
  39  * x  - width in pixels
  40  * y  - height in pixels
  41  */
  42 #define PRS_INIT                0
  43 /* PRS_TRANSFER - Render page row
  44  *
  45  * ct - pointer to PrtInfo
  46  * x  - 0
  47  * y  - row # (0 to height-1)
  48  */
  49 #define PRS_TRANSFER            1
  50 /* PRS_FLUSH - Send data to the printer
  51  * ct - 0
  52  * x  - 0
  53  * y  - # of rows to send (1 to NumRows)
  54  */
  55 #define PRS_FLUSH               2
  56 /* PRS_CLEAR - Clear and Init buffer
  57  * ct - 0
  58  * x  - 0
  59  * y  - 0
  60  */
  61 #define PRS_CLEAR               3
  62 /* PRS_CLOSE - Close down
  63  * ct - Error code
  64  * x  - io_Special flag from IODRPReq
  65  * y  - 0
  66  */
  67 #define PRS_CLOSE               4
  68 /* PRS_PREINIT - Pre-Master initialization
  69  * ct - NULL or pointer to IODRPReq
  70  * x  - io_Special flag from IODRPReq
  71  * y  - 0
  72  */
  73 #define PRS_PREINIT             5
  74 /* PRS_CONVERT - Transfer colormap/BGR line to printer
  75  * ct - UBYTE * to an array of entries
  76  * x  - # of entries in the array
  77  * y  - 0 if ct is a union colorEntry *, 1 if ct is a BGR pixel line
  78  */
  79 #define PRS_EJECT               7
  80 /* PRS_EJECT - Finish page, advance to next page
  81  * ct - 0
  82  * x  - 0
  83  * y  - 0
  84  */
  85 #define PRS_CONVERT             8
  86 /* PRS_CORRECT - Color correct a colormap/BGR line
  87  * ct - UBYTE * to an array of entries
  88  * x  - # of entries in the array
  89  * y  - 0 if ct is a union colorEntry *, 1 if ct is a BGR pixel line
  90  */
  91 #define PRS_CORRECT             9
  92
  93
  94 #endif /* PRINTERS_INTERN_H */