arch/i386-pc/drivers/vesa.hidd/offbitmap.c

   1 /*
   2     Copyright © 1995-2006, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Offscreen bitmap class for Vesa hidd.
   6     Lang: English.
   7 */
   8
   9 #define __OOP_NOATTRBASES__
  10
  11 #include <proto/oop.h>
  12 #include <proto/utility.h>
  13 #include <assert.h>
  14 #include <exec/alerts.h>
  15 #include <exec/lists.h>
  16 #include <exec/memory.h>
  17 #include <graphics/gfx.h>
  18 #include <graphics/rastport.h>
  19 #include <hidd/graphics.h>
  20 #include <oop/oop.h>
  21 #include <aros/symbolsets.h>
  22 #define DEBUG 0
  23 #include <aros/debug.h>
  24
  25 #include "bitmap.h"
  26 #include "offbitmap.h"
  27 #include "vesagfxclass.h"
  28
  29 #include LC_LIBDEFS_FILE
  30
  31 /* Don't initialize them with "= 0", otherwise they end up in the DATA segment! */
  32
  33 static OOP_AttrBase HiddBitMapAttrBase;
  34 static OOP_AttrBase HiddPixFmtAttrBase;
  35 static OOP_AttrBase HiddGfxAttrBase;
  36 static OOP_AttrBase HiddVesaGfxAttrBase;
  37 static OOP_AttrBase HiddVesaGfxBitMapAttrBase;
  38
  39 static struct OOP_ABDescr attrbases[] =
  40 {
  41     {IID_Hidd_BitMap        , &HiddBitMapAttrBase           },
  42     {IID_Hidd_PixFmt        , &HiddPixFmtAttrBase           },
  43     {IID_Hidd_Gfx           , &HiddGfxAttrBase              },
  44     /* Private bases */
  45     {IID_Hidd_VesaGfx       , &HiddVesaGfxAttrBase          },
  46     {IID_Hidd_VesaGfxBitMap , &HiddVesaGfxBitMapAttrBase    },
  47     {NULL                   , NULL                          }
  48 };
  49
  50 #define MNAME_ROOT(x) PCVesaOffBM__Root__ ## x
  51 #define MNAME_BM(x) PCVesaOffBM__Hidd_BitMap__ ## x
  52
  53 #include "bitmap_common.c"
  54
  55 /*********** BitMap::New() *************************************/
  56 OOP_Object *MNAME_ROOT(New)(OOP_Class *cl, OOP_Object *o, struct pRoot_New *msg)
  57 {
  58
  59     EnterFunc(bug("VesaGfx.BitMap::New()\n"));
  60     o = (OOP_Object *)OOP_DoSuperMethod(cl, o, (OOP_Msg) msg);
  61     if (o)
  62     {
  63         struct BitmapData   *data;
  64         IPTR                 width, height, depth, multi;
  65         OOP_Object          *friend, *pf;
  66
  67         data = OOP_INST_DATA(cl, o);
  68
  69         /* clear all data  */
  70         memset(data, 0, sizeof(struct BitmapData));
  71
  72         /* Get attr values */
  73         OOP_GetAttr(o, aHidd_BitMap_Width, &width);
  74         OOP_GetAttr(o, aHidd_BitMap_Height, &height);
  75         OOP_GetAttr(o, aHidd_BitMap_GfxHidd, (IPTR *)&data->gfxhidd);
  76         OOP_GetAttr(o, aHidd_BitMap_PixFmt, &pf);
  77         data->pixfmtobj = pf;
  78         OOP_GetAttr(pf, aHidd_PixFmt_Depth, &depth);
  79         OOP_GetAttr(pf, aHidd_PixFmt_BytesPerPixel, &multi);
  80
  81         /* Get the friend bitmap. This should be a displayable bitmap */
  82         OOP_GetAttr(o, aHidd_BitMap_Friend, &friend);
  83
  84         /* If you got a friend bitmap, copy its colormap */
  85         if (friend)
  86         {
  87             struct BitmapData *src = OOP_INST_DATA(cl, friend);
  88             CopyMem(&src->cmap, &data->cmap, 4*16);
  89         }
  90
  91         ASSERT (width != 0 && height != 0 && depth != 0);
  92
  93         width=(width+15) & ~15;
  94         data->width = width;
  95         data->height = height;
  96         data->bpp = depth;
  97         data->disp = 0;
  98
  99         data->bytesperpix = multi;
 100         data->bytesperline = width * multi;
 101
 102         data->VideoData = AllocVec(width*height*multi, MEMF_PUBLIC | MEMF_CLEAR);
 103         if (data->VideoData)
 104         {
 105             data->data = &XSD(cl)->data;
 106
 107             if (XSD(cl)->activecallback)
 108                 XSD(cl)->activecallback(XSD(cl)->callbackdata, o, TRUE);
 109
 110             ReturnPtr("VesaGfx.BitMap::New()", OOP_Object *, o);
 111         } /* if got data->VideoData */
 112
 113         {
 114             OOP_MethodID disp_mid = OOP_GetMethodID(IID_Root, moRoot_Dispose);
 115             OOP_CoerceMethod(cl, o, (OOP_Msg) &disp_mid);
 116         }
 117
 118         o = NULL;
 119
 120     } /* if created object */
 121
 122     ReturnPtr("VesaGfx.BitMap::New()", OOP_Object *, o);
 123 }
 124
 125 /**********  Bitmap::Dispose()  ***********************************/
 126 VOID MNAME_ROOT(Dispose)(OOP_Class *cl, OOP_Object *o, OOP_Msg msg)
 127 {
 128     struct BitmapData *data = OOP_INST_DATA(cl, o);
 129
 130     EnterFunc(bug("VesaGfx.BitMap::Dispose()\n"));
 131
 132     if (data->VideoData)
 133         FreeVec(data->VideoData);
 134
 135     OOP_DoSuperMethod(cl, o, msg);
 136
 137     ReturnVoid("VesaGfx.BitMap::Dispose");
 138 }
 139
 140 #undef SDEBUG
 141 #undef DEBUG
 142 #define SDEBUG 0
 143 #define DEBUG 0
 144 #include <aros/debug.h>
 145
 146 /*** init_bmclass *********************************************************/
 147
 148 static int PCVesaOffBM_Init(LIBBASETYPEPTR LIBBASE)
 149 {
 150     EnterFunc(bug("PCVesaOffBM_Init\n"));
 151
 152     ReturnInt("PCVesaOffBM_Init", ULONG, OOP_ObtainAttrBases(attrbases));
 153 }
 154
 155 /*** free_bitmapclass *********************************************************/
 156
 157 static int PCVesaOffBM_Expunge(LIBBASETYPEPTR LIBBASE)
 158 {
 159     OOP_ReleaseAttrBases(attrbases);
 160     ReturnInt("PCVesaOffBM_Expunge", int, TRUE);
 161 }
 162
 163 ADD2INITLIB(PCVesaOffBM_Init, 0)
 164 ADD2EXPUNGELIB(PCVesaOffBM_Expunge, 0)