test/convertpixels.c

   1 #define __OOP_NOATTRBASES__
   2
   3 #include <hidd/graphics.h>
   4 #include <proto/graphics.h>
   5 #include <proto/oop.h>
   6
   7 #include <stdio.h>
   8
   9 #undef ConvertPixels
  10
  11 static OOP_AttrBase HiddBitMapAttrBase;
  12
  13 #if AROS_BIG_ENDIAN
  14 #define SRC_PIXFMT vHidd_StdPixFmt_ARGB32
  15 #define DST_PIXFMT vHidd_StdPixFmt_RGB15
  16 #else
  17 #define SRC_PIXFMT vHidd_StdPixFmt_BGRA32
  18 #define DST_PIXFMT vHidd_StdPixFmt_RGB15_LE
  19 #endif
  20
  21 static ULONG argb[8] =
  22 {
  23     0x00112233,
  24     0x00FFFFFF,
  25     0xFF888888,
  26     0x00FF0000,
  27     0x0000FF00,
  28     0x000000FF,
  29     0x00FFFF00,
  30     0x8899AABB,
  31 };
  32 static UWORD rgb15[8];
  33 static ULONG argb_inv[8];
  34
  35 static void ConvertPixels(APTR srcPixels, ULONG srcMod, HIDDT_StdPixFmt srcPixFmt,
  36                    APTR dstPixels, ULONG dstMod, HIDDT_StdPixFmt dstPixFmt,
  37                    ULONG width, ULONG height, OOP_Object *bm)
  38 {
  39     OOP_Object *gfxhidd = NULL;
  40     OOP_Object *srcpf, *dstpf;
  41     APTR src = srcPixels;
  42     APTR dst = dstPixels;
  43
  44     OOP_GetAttr(bm, aHidd_BitMap_GfxHidd, (IPTR *)&gfxhidd);
  45
  46     if (!gfxhidd) {
  47         printf("ConvertPixels(): Failed to obtain graphics driver\n");
  48         return;
  49     }
  50
  51     srcpf = HIDD_Gfx_GetPixFmt(gfxhidd, srcPixFmt);
  52     dstpf = HIDD_Gfx_GetPixFmt(gfxhidd, dstPixFmt);
  53
  54     if (!srcpf || !dstpf)
  55     {
  56         printf("ConvertPixels(): Bad source (%ld) or dest (%ld) pixfmt!\n", srcPixFmt, dstPixFmt);
  57         return;
  58     }
  59
  60     HIDD_BM_ConvertPixels(bm, &src, (HIDDT_PixelFormat *)srcpf, srcMod,
  61                           &dst, (HIDDT_PixelFormat *)dstpf, dstMod,
  62                           width, height, NULL);
  63 }
  64
  65 int main(void)
  66 {
  67     struct BitMap *bitmap;
  68
  69     HiddBitMapAttrBase = OOP_ObtainAttrBase(IID_Hidd_BitMap);
  70     if (!HiddBitMapAttrBase) {
  71         printf("Failed to obtain IID_Hidd_BitMap\n");
  72         return RETURN_FAIL;
  73     }
  74
  75     bitmap = AllocBitMap(1, 1, 16, 0, NULL);
  76     if (!bitmap) {
  77         printf("Failed to allocate a placeholder bitmap!\n");
  78         OOP_ReleaseAttrBase(IID_Hidd_BitMap);
  79         return RETURN_FAIL;
  80     }
  81
  82     ConvertPixels(argb, 0, SRC_PIXFMT, rgb15, 0, DST_PIXFMT, 8, 1, (OOP_Object *)bitmap->Planes[0]);
  83     ConvertPixels(rgb15, 0, DST_PIXFMT, argb_inv, 0, SRC_PIXFMT, 8, 1, (OOP_Object *)bitmap->Planes[0]);
  84
  85     {
  86         int i;
  87
  88         for(i = 0; i < 8; i++)
  89         {
  90             printf("ARGB32 %08x = RGB15 %04x (%02x %02x %02x) (%3d%% %3d%% %3d%%) [%08x]\n",
  91                     (unsigned int)argb[i], rgb15[i],
  92                     (rgb15[i] & 0x7C00) >> 10,
  93                     (rgb15[i] & 0x03E0) >> 5,
  94                     (rgb15[i] & 0x001F),
  95                     ((rgb15[i] & 0x7C00) >> 10) * 100 / 31,
  96                     ((rgb15[i] & 0x03E0) >> 5) * 100 / 31,
  97                     (rgb15[i] & 0x001F) * 100 / 31,
  98                     (unsigned int)argb_inv[i]
  99                     );
 100         }
 101     }
 102
 103     OOP_ReleaseAttrBase(IID_Hidd_BitMap);
 104     return 0;
 105 }
 106