test/hidds/graphics/convertpixels.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #define __OOP_NOATTRBASES__
   7
   8 #include <hidd/graphics.h>
   9 #include <proto/graphics.h>
  10 #include <proto/oop.h>
  11
  12 #include <stdio.h>
  13
  14 #undef ConvertPixels
  15
  16 static OOP_AttrBase HiddBitMapAttrBase;
  17
  18 #if AROS_BIG_ENDIAN
  19 #define SRC_PIXFMT vHidd_StdPixFmt_ARGB32
  20 #define DST_PIXFMT vHidd_StdPixFmt_RGB15
  21 #else
  22 #define SRC_PIXFMT vHidd_StdPixFmt_BGRA32
  23 #define DST_PIXFMT vHidd_StdPixFmt_RGB15_LE
  24 #endif
  25
  26 static ULONG argb[8] =
  27 {
  28     0x00112233,
  29     0x00FFFFFF,
  30     0xFF888888,
  31     0x00FF0000,
  32     0x0000FF00,
  33     0x000000FF,
  34     0x00FFFF00,
  35     0x8899AABB,
  36 };
  37 static UWORD rgb15[8];
  38 static ULONG argb_inv[8];
  39
  40 static void ConvertPixels(APTR srcPixels, ULONG srcMod, HIDDT_StdPixFmt srcPixFmt,
  41                    APTR dstPixels, ULONG dstMod, HIDDT_StdPixFmt dstPixFmt,
  42                    ULONG width, ULONG height, OOP_Object *bm)
  43 {
  44     OOP_Object *gfxhidd = NULL;
  45     OOP_Object *srcpf, *dstpf;
  46     APTR src = srcPixels;
  47     APTR dst = dstPixels;
  48
  49     OOP_GetAttr(bm, aHidd_BitMap_GfxHidd, (IPTR *)&gfxhidd);
  50
  51     if (!gfxhidd) {
  52         printf("ConvertPixels(): Failed to obtain graphics driver\n");
  53         return;
  54     }
  55
  56     srcpf = HIDD_Gfx_GetPixFmt(gfxhidd, srcPixFmt);
  57     dstpf = HIDD_Gfx_GetPixFmt(gfxhidd, dstPixFmt);
  58
  59     if (!srcpf || !dstpf)
  60     {
  61         printf("ConvertPixels(): Bad source (%ld) or dest (%ld) pixfmt!\n", srcPixFmt, dstPixFmt);
  62         return;
  63     }
  64
  65     HIDD_BM_ConvertPixels(bm, &src, (HIDDT_PixelFormat *)srcpf, srcMod,
  66                           &dst, (HIDDT_PixelFormat *)dstpf, dstMod,
  67                           width, height, NULL);
  68 }
  69
  70 int main(void)
  71 {
  72     struct BitMap *bitmap;
  73
  74     HiddBitMapAttrBase = OOP_ObtainAttrBase(IID_Hidd_BitMap);
  75     if (!HiddBitMapAttrBase) {
  76         printf("Failed to obtain IID_Hidd_BitMap\n");
  77         return RETURN_FAIL;
  78     }
  79
  80     bitmap = AllocBitMap(1, 1, 16, 0, NULL);
  81     if (!bitmap) {
  82         printf("Failed to allocate a placeholder bitmap!\n");
  83         OOP_ReleaseAttrBase(IID_Hidd_BitMap);
  84         return RETURN_FAIL;
  85     }
  86
  87     ConvertPixels(argb, 0, SRC_PIXFMT, rgb15, 0, DST_PIXFMT, 8, 1, HIDD_BM_OBJ(bitmap));
  88     ConvertPixels(rgb15, 0, DST_PIXFMT, argb_inv, 0, SRC_PIXFMT, 8, 1, HIDD_BM_OBJ(bitmap));
  89
  90     {
  91         int i;
  92
  93         for(i = 0; i < 8; i++)
  94         {
  95             printf("ARGB32 %08x = RGB15 %04x (%02x %02x %02x) (%3d%% %3d%% %3d%%) [%08x]\n",
  96                     (unsigned int)argb[i], rgb15[i],
  97                     (rgb15[i] & 0x7C00) >> 10,
  98                     (rgb15[i] & 0x03E0) >> 5,
  99                     (rgb15[i] & 0x001F),
 100                     ((rgb15[i] & 0x7C00) >> 10) * 100 / 31,
 101                     ((rgb15[i] & 0x03E0) >> 5) * 100 / 31,
 102                     (rgb15[i] & 0x001F) * 100 / 31,
 103                     (unsigned int)argb_inv[i]
 104                     );
 105         }
 106     }
 107
 108     OOP_ReleaseAttrBase(IID_Hidd_BitMap);
 109     return 0;
 110 }
 111