workbench/libs/cgfx/cybergraphics_intern.h

   1 /*
   2     Copyright © 1995-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #ifndef CYBERGRAPHICS_INTERN_H
   7 #define CYBERGRAPHICS_INTERN_H
   8
   9 #ifndef EXEC_LIBRARIES_H
  10 #   include <exec/libraries.h>
  11 #endif
  12
  13 #ifndef EXEC_LISTS_H
  14 #   include <exec/lists.h>
  15 #endif
  16
  17 #ifndef DOS_BPTR_H
  18 #   include <dos/bptr.h>
  19 #endif
  20
  21 #ifndef AROS_LIBCALL_H
  22 #   include <aros/libcall.h>
  23 #endif
  24
  25 #ifndef GRAPHICS_RASTPORT_H
  26 #   include <graphics/rastport.h>
  27 #endif
  28
  29 #ifndef UTILITY_TAGITEM_H
  30 #   include <utility/tagitem.h>
  31 #endif
  32
  33 #ifndef GRAPHICS_VIEW_H
  34 #   include <graphics/view.h>
  35 #endif
  36
  37 #ifndef PROTO_GRAPHICS_H
  38 #   include <proto/graphics.h>
  39 #endif
  40
  41 #include <oop/oop.h>
  42
  43 struct IntCGFXBase
  44 {
  45     struct Library libnode;
  46
  47     struct SignalSemaphore  pixbuf_sema;
  48     ULONG                  *pixel_buf;
  49
  50     OOP_AttrBase            hiddBitMapAttrBase;
  51     OOP_AttrBase            hiddGCAttrBase;
  52     OOP_AttrBase            hiddSyncAttrBase;
  53     OOP_AttrBase            hiddPixFmtAttrBase;
  54     OOP_AttrBase            hiddGfxAttrBase;
  55
  56     /* baseclasses for CreateObject */
  57     OOP_Class                   *basegc;
  58     OOP_Class                   *basebm;
  59
  60     /* Grayscale palette for RECTFMT_GREY8 */
  61     ULONG                   greytab[256];
  62 };
  63
  64 #define GetCGFXBase(base) ((struct IntCGFXBase *)base)
  65
  66 #define __IHidd_BitMap      GetCGFXBase(CyberGfxBase)->hiddBitMapAttrBase
  67 #define __IHidd_GC          GetCGFXBase(CyberGfxBase)->hiddGCAttrBase
  68 #define __IHidd_Sync        GetCGFXBase(CyberGfxBase)->hiddSyncAttrBase
  69 #define __IHidd_PixFmt      GetCGFXBase(CyberGfxBase)->hiddPixFmtAttrBase
  70 #define __IHidd_Gfx         GetCGFXBase(CyberGfxBase)->hiddGfxAttrBase
  71
  72 /* Pixelbuffer, the same as in graphics.library */
  73 #ifdef __mc68000
  74 #define NUMPIX 4096     /* Not that much room to spare */
  75 #else
  76 #define NUMPIX 100000
  77 #endif
  78
  79 #define PIXELBUF_SIZE (NUMPIX * 4)
  80
  81 #define LOCK_PIXBUF ObtainSemaphore(&CyberGfxBase->pixbuf_sema);
  82 #define ULOCK_PIXBUF ReleaseSemaphore(&CyberGfxBase->pixbuf_sema);
  83
  84 /* Bitmap processing */
  85
  86 #define XCOORD_TO_BYTEIDX( x )  (( x ) >> 3)
  87
  88 #define COORD_TO_BYTEIDX(x, y, bytes_per_row)   \
  89                                 ( ( ((LONG)(y)) * (bytes_per_row)) + XCOORD_TO_BYTEIDX(x))
  90
  91 #define CHUNKY8_COORD_TO_BYTEIDX(x, y, bytes_per_row)   \
  92                                 ( ( ((LONG)(y)) * (bytes_per_row)) + (x) )
  93
  94 #define XCOORD_TO_MASK(x)       (128L >> ((x) & 0x07))
  95
  96 #endif /* CYBERGRAPHICS_INTERN_H */