workbench/libs/cgfx/gfxfuncsupport.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7 #include <clib/macros.h>
   8 #include <graphics/gfxbase.h>
   9 #include <graphics/rastport.h>
  10 #include <proto/graphics.h>
  11
  12 #include "gfxfuncsupport.h"
  13
  14 /****************************************************************************************/
  15
  16 static const UBYTE rectfmt_bytes_per_pixel[] =
  17 {
  18     3,    /* RECTFMT_RGB */
  19     4,    /* RECTFMT_RGBA */
  20     4,    /* RECTFMT_ARGB */
  21     1,    /* RECTFMT_LUT8 */
  22     1     /* RECTFMT_GREY8 */
  23 };
  24
  25 static const UBYTE ext_rectfmt_bytes_per_pixel[] =
  26 {
  27     2,    /* RECTFMT_RGB15 */
  28     2,    /* RECTFMT_BGR15 */
  29     2,    /* RECTFMT_RGB15PC */
  30     2,    /* RECTFMT_BGR15PC */
  31     2,    /* RECTFMT_RGB16 */
  32     2,    /* RECTFMT_BGR16 */
  33     2,    /* RECTFMT_RGB16PC */
  34     2,    /* RECTFMT_BGR16PC */
  35     0,
  36     3,    /* RECTFMT_BGR24 */
  37     0,
  38     4,    /* RECTFMT_BGRA32 */
  39     0,
  40     4,    /* RECTFMT_ABGR32 */
  41     4,    /* RECTFMT_0RGB32 */
  42     4,    /* RECTFMT_BGR032 */
  43     4,    /* RECTFMT_RGB032 */
  44     4     /* RECTFMT_0BGR32 */
  45 };
  46
  47 static const HIDDT_StdPixFmt hidd_rectfmt[] =
  48 {
  49     vHidd_StdPixFmt_RGB24,
  50     vHidd_StdPixFmt_RGBA32,
  51     vHidd_StdPixFmt_ARGB32,
  52     0,
  53     0,
  54     vHidd_StdPixFmt_Native
  55 };
  56
  57 static const HIDDT_StdPixFmt ext_hidd_rectfmt[] =
  58 {
  59     vHidd_StdPixFmt_RGB15,
  60     vHidd_StdPixFmt_BGR15,
  61     vHidd_StdPixFmt_RGB15_LE,
  62     vHidd_StdPixFmt_BGR15_LE,
  63     vHidd_StdPixFmt_RGB16,
  64     vHidd_StdPixFmt_BGR16,
  65     vHidd_StdPixFmt_RGB16_LE,
  66     vHidd_StdPixFmt_BGR16_LE,
  67     0,
  68     vHidd_StdPixFmt_BGR24,
  69     0,
  70     vHidd_StdPixFmt_BGRA32,
  71     0,
  72     vHidd_StdPixFmt_ABGR32,
  73     vHidd_StdPixFmt_0RGB32,
  74     vHidd_StdPixFmt_BGR032,
  75     vHidd_StdPixFmt_RGB032,
  76     vHidd_StdPixFmt_0BGR32
  77 };
  78
  79 UBYTE GetRectFmtBytesPerPixel(UBYTE rectfmt, struct RastPort *rp,
  80     struct Library *CyberGfxBase)
  81 {
  82     UBYTE result;
  83     OOP_Object *pf = 0;
  84     IPTR oop_result;
  85
  86     if (rectfmt == RECTFMT_RAW)
  87     {
  88         OOP_GetAttr(HIDD_BM_OBJ(rp->BitMap), aHidd_BitMap_PixFmt, (IPTR *)&pf);
  89         OOP_GetAttr(pf, aHidd_PixFmt_BytesPerPixel, &oop_result);
  90         result = oop_result;
  91     }
  92     else if (rectfmt < RECTFMT_RGB15)
  93         result = rectfmt_bytes_per_pixel[rectfmt];
  94     else
  95         result = ext_rectfmt_bytes_per_pixel[rectfmt - RECTFMT_RGB15];
  96
  97     return result;
  98 }
  99
 100 HIDDT_StdPixFmt GetHIDDRectFmt(UBYTE rectfmt, struct RastPort *rp,
 101     struct Library *CyberGfxBase)
 102 {
 103     HIDDT_StdPixFmt result;
 104
 105     if (rectfmt < RECTFMT_RGB15)
 106         result = hidd_rectfmt[rectfmt];
 107     else
 108         result = ext_hidd_rectfmt[rectfmt - RECTFMT_RGB15];
 109
 110     return result;
 111 }