rom/graphics/blttemplate.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8
   9 #include <aros/debug.h>
  10 #include <proto/graphics.h>
  11 #include <proto/oop.h>
  12
  13 #include "graphics_intern.h"
  14 #include "gfxfuncsupport.h"
  15
  16 /****************************************************************************************/
  17
  18 struct bt_render_data
  19 {
  20     UBYTE *template;
  21     ULONG  modulo;
  22     WORD   srcx;
  23     UBYTE  inverttemplate;
  24 };
  25
  26 static ULONG blttemplate_render(APTR btr_data, WORD srcx, WORD srcy,
  27                                 OOP_Object *dstbm_obj, OOP_Object *dst_gc,
  28                                 struct Rectangle *rect, struct GfxBase *GfxBase)
  29 {
  30     struct bt_render_data *btrd = btr_data;
  31     WORD                   width  = rect->MaxX - rect->MinX + 1;
  32     WORD                   height = rect->MaxY - rect->MinY + 1;
  33     UBYTE                  x = srcx + btrd->srcx;
  34     UBYTE                 *template = btrd->template + btrd->modulo * srcy;
  35
  36     HIDD_BM_PutTemplate(dstbm_obj, dst_gc, template, btrd->modulo,
  37                         x, rect->MinX, rect->MinY, width, height, btrd->inverttemplate);
  38
  39     return width * height;
  40 }
  41
  42 /*****************************************************************************
  43
  44     NAME */
  45 #include <clib/graphics_protos.h>
  46
  47         AROS_LH8(void, BltTemplate,
  48
  49 /*  SYNOPSIS */
  50
  51         AROS_LHA(PLANEPTR               , source        , A0),
  52         AROS_LHA(WORD                   , xSrc          , D0),
  53         AROS_LHA(WORD                   , srcMod        , D1),
  54         AROS_LHA(struct RastPort *      , destRP        , A1),
  55         AROS_LHA(WORD                   , xDest         , D2),
  56         AROS_LHA(WORD                   , yDest         , D3),
  57         AROS_LHA(WORD                   , xSize         , D4),
  58         AROS_LHA(WORD                   , ySize         , D5),
  59
  60 /*  LOCATION */
  61         struct GfxBase *, GfxBase, 6, Graphics)
  62
  63 /*  FUNCTION
  64         Draws the image in the template into the
  65         RastPort in the current color and drawing mode.
  66
  67     INPUTS
  68         source - template bitplane. Should be Word aligned.
  69         xSrc - x offset in source plane (0...15).
  70         srcMod - BytesPerRow in template mask.
  71         destRP - destination RastPort.
  72         xDest,yDest - upper left corner of destination.
  73         xSize,ySize - size of destination.
  74
  75     RESULT
  76
  77     NOTES
  78
  79     EXAMPLE
  80
  81     BUGS
  82
  83     SEE ALSO
  84
  85     INTERNALS
  86
  87     HISTORY
  88         27-11-96    digulla automatically created from
  89                             graphics_lib.fd and clib/graphics_protos.h
  90
  91 *****************************************************************************/
  92 {
  93     AROS_LIBFUNC_INIT
  94
  95     struct bt_render_data btrd;
  96     struct Rectangle      rr;
  97
  98     EnterFunc(bug("driver_BltTemplate(%d, %d, %d, %d, %d, %d)\n"
  99         , xSrc, srcMod, xDest, yDest, xSize, ySize));
 100
 101     FIX_GFXCOORD(xDest);
 102     FIX_GFXCOORD(yDest);
 103
 104     btrd.template        = (UBYTE *)source;
 105     btrd.srcx            = xSrc;
 106     btrd.modulo          = srcMod;
 107     btrd.inverttemplate = (destRP->DrawMode & INVERSVID) ? TRUE : FALSE;
 108
 109     rr.MinX = xDest;
 110     rr.MinY = yDest;
 111     rr.MaxX = xDest + xSize  - 1;
 112     rr.MaxY = yDest + ySize - 1;
 113
 114     do_render_func(destRP, NULL, &rr, blttemplate_render, &btrd, TRUE, FALSE, GfxBase);
 115     ReturnVoid("driver_BltTemplate");
 116
 117     AROS_LIBFUNC_EXIT
 118
 119 } /* BltTemplate */