rom/graphics/bltbitmaprastport.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include <aros/debug.h>
   9 #include <proto/oop.h>
  10 #include "graphics_intern.h"
  11 #include "gfxfuncsupport.h"
  12
  13 struct bitmap_render_data
  14 {
  15     struct render_special_info rsi;
  16     ULONG                      minterm;
  17     struct BitMap              *srcbm;
  18     OOP_Object                 *srcbm_obj;
  19
  20 };
  21
  22 static ULONG bitmap_render(APTR bitmap_rd, LONG srcx, LONG srcy,
  23                            OOP_Object *dstbm_obj, OOP_Object *dst_gc,
  24                            LONG x1, LONG y1, LONG x2, LONG y2, struct GfxBase *GfxBase);
  25
  26 /*****************************************************************************
  27
  28     NAME */
  29 #include <proto/graphics.h>
  30
  31         AROS_LH9 (void, BltBitMapRastPort,
  32
  33 /*  SYNOPSIS */
  34         AROS_LHA(struct BitMap   *, srcBitMap, A0),
  35         AROS_LHA(LONG             , xSrc, D0),
  36         AROS_LHA(LONG             , ySrc, D1),
  37         AROS_LHA(struct RastPort *, destRP, A1),
  38         AROS_LHA(LONG             , xDest, D2),
  39         AROS_LHA(LONG             , yDest, D3),
  40         AROS_LHA(LONG             , xSize, D4),
  41         AROS_LHA(LONG             , ySize, D5),
  42         AROS_LHA(ULONG            , minterm, D6),
  43
  44 /*  LOCATION */
  45         struct GfxBase *, GfxBase, 101, Graphics)
  46
  47 /*  FUNCTION
  48
  49     INPUTS
  50
  51     RESULT
  52
  53     NOTES
  54
  55     EXAMPLE
  56
  57     BUGS
  58
  59     SEE ALSO
  60
  61     INTERNALS
  62
  63     HISTORY
  64         27-11-96    digulla automatically created from
  65                             graphics_lib.fd and clib/graphics_protos.h
  66
  67 *****************************************************************************/
  68 {
  69     AROS_LIBFUNC_INIT
  70
  71     struct bitmap_render_data   brd;
  72     struct Rectangle            rr;
  73     HIDDT_DrawMode              old_drmd;
  74     OOP_Object                  *gc;
  75     Point                       src;
  76
  77     struct TagItem gc_tags[] =
  78     {
  79         { aHidd_GC_DrawMode , 0UL },
  80         { TAG_DONE                }
  81     };
  82
  83     EnterFunc(bug("BltBitMapRastPort(%d %d %d, %d, %d, %d)\n"
  84         , xSrc, ySrc, xDest, yDest, xSize, ySize));
  85
  86     if (!OBTAIN_DRIVERDATA(destRP, GfxBase))
  87         return;
  88
  89     FIX_GFXCOORD(xSrc);
  90     FIX_GFXCOORD(ySrc);
  91     FIX_GFXCOORD(xDest);
  92     FIX_GFXCOORD(yDest);
  93
  94     brd.minterm = minterm;
  95     brd.srcbm_obj = OBTAIN_HIDD_BM(srcBitMap);
  96     if (NULL == brd.srcbm_obj)
  97     {
  98         RELEASE_DRIVERDATA(destRP, GfxBase);
  99         return;
 100     }
 101
 102     brd.srcbm = srcBitMap;
 103
 104     gc = GetDriverData(destRP)->dd_GC;
 105     OOP_GetAttr(gc, aHidd_GC_DrawMode, &old_drmd);
 106
 107     gc_tags[0].ti_Data = MINTERM_TO_GCDRMD(minterm);
 108     OOP_SetAttrs(gc, gc_tags);
 109
 110     rr.MinX = xDest;
 111     rr.MinY = yDest;
 112     rr.MaxX = xDest + xSize - 1;
 113     rr.MaxY = yDest + ySize - 1;
 114
 115     src.x = xSrc;
 116     src.y = ySrc;
 117
 118     do_render_func(destRP, &src, &rr, bitmap_render, &brd, TRUE, GfxBase);
 119
 120     RELEASE_HIDD_BM(brd.srcbm_obj, srcBitMap);
 121
 122     gc_tags[0].ti_Data = old_drmd;
 123     OOP_SetAttrs(gc, gc_tags);
 124
 125     RELEASE_DRIVERDATA(destRP, GfxBase);
 126
 127     ReturnVoid("BltBitMapRastPort");
 128
 129     AROS_LIBFUNC_EXIT
 130
 131 } /* BltBitMapRastPort */
 132
 133 /****************************************************************************************/
 134
 135 static ULONG bitmap_render(APTR bitmap_rd, LONG srcx, LONG srcy,
 136                            OOP_Object *dstbm_obj, OOP_Object *dst_gc,
 137                            LONG x1, LONG y1, LONG x2, LONG y2, struct GfxBase *GfxBase)
 138 {
 139     struct bitmap_render_data   *brd;
 140     ULONG                       width, height;
 141
 142     width  = x2 - x1 + 1;
 143     height = y2 - y1 + 1;
 144
 145     brd = (struct bitmap_render_data *)bitmap_rd;
 146
 147 //    D(bug("bitmap_render(%p, %d, %d, %p, %p, %d, %d, %d, %d, %p)\n"
 148 //      , bitmap_rd, srcx, srcy, dstbm_obj, dst_gc, x1, y1, x2, y2, GfxBase));
 149
 150
 151     /* Get some info on the colormaps. We have to make sure
 152        that we have the apropriate mapping tables set.
 153     */
 154
 155     if (!int_bltbitmap(brd->srcbm
 156         , brd->srcbm_obj
 157         , srcx, srcy
 158         , brd->rsi.curbm
 159         , dstbm_obj
 160         , x1, y1
 161         , x2 - x1 + 1, y2 - y1 + 1
 162         , brd->minterm
 163         , dst_gc
 164         , GfxBase
 165     ))
 166         return 0;
 167
 168    return width * height;
 169 }
 170
 171 /****************************************************************************************/