arch/all-linux/hidd/linuxfb/linuxfbgfx_bitmapclass.c

   1 /*
   2     Copyright © 1995-2017, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Onscreen bitmap class for Linux FB Gfx Hidd
   6     Lang: English.
   7 */
   8
   9 #define DEBUG 0
  10 #include <aros/debug.h>
  11
  12 #include <aros/symbolsets.h>
  13 #include <hidd/gfx.h>
  14 #include <hidd/unixio.h>
  15 #include <oop/oop.h>
  16 #include <proto/oop.h>
  17 #include <proto/utility.h>
  18
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <string.h>
  22
  23 #include "linuxfbgfx_intern.h"
  24 #include "linuxfbgfx_bitmap.h"
  25
  26 /*********** BitMap::New() *************************************/
  27
  28 OOP_Object *LinuxFBBM__Root__New(OOP_Class *cl, OOP_Object *o, struct pRoot_New *msg)
  29 {
  30     o = (OOP_Object *)OOP_DoSuperMethod(cl, o, (OOP_Msg) msg);
  31     D(bug("[LinuxBM] Created base bitmap %p\n", o));
  32
  33     if (NULL != o)
  34     {
  35         struct LinuxFBBitMapData *data = OOP_INST_DATA(cl, o);
  36         OOP_Object *pf;
  37
  38         data->fbdev = GetTagData(aHidd_LinuxFBBitmap_FBDevInfo, -1, msg->attrList);
  39
  40         OOP_GetAttr(o, aHidd_BitMap_PixFmt, (IPTR *)&pf);
  41         OOP_GetAttr(pf, aHidd_PixFmt_BitsPerPixel, &data->bpp);
  42     }
  43
  44     return o;
  45 }
  46
  47 BOOL LinuxFBBM__Hidd_BitMap__SetColors(OOP_Class *cl, OOP_Object *o, struct pHidd_BitMap_SetColors *msg)
  48 {
  49     struct LinuxFBBitMapData *data = OOP_INST_DATA(cl, o);
  50
  51     if ((msg->firstColor + msg->numColors) > (1 << (data->bpp)))
  52     {
  53         return FALSE;
  54     }
  55
  56     if (!OOP_DoSuperMethod(cl, o, (OOP_Msg)msg))
  57     {
  58         return FALSE;
  59     }
  60
  61     if (data->fbdev != -1)
  62     {
  63         struct LinuxFB_staticdata *fsd = LSD(cl);
  64         ULONG xc_i, col_i;
  65
  66         for ( xc_i = msg->firstColor, col_i = 0;
  67               col_i < msg->numColors;
  68               xc_i ++, col_i ++)
  69         {
  70             struct fb_cmap col =
  71             {
  72                 xc_i, 1,
  73                 &msg->colors[col_i].red,
  74                 &msg->colors[col_i].green,
  75                 &msg->colors[col_i].blue,
  76                 &msg->colors[col_i].alpha
  77             };
  78
  79             Hidd_UnixIO_IOControlFile(fsd->unixio, data->fbdev, FBIOPUTCMAP, &col, NULL);
  80         }
  81     }
  82     return TRUE;
  83 }
  84