graphics/metafiledrv/graphics.c

   1 /*
   2  * Metafile driver graphics functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  */
   6
   7 #include <stdlib.h>
   8 #include "gdi.h"
   9 #include "dc.h"
  10 #include "metafile.h"
  11 #include "region.h"
  12 #include "xmalloc.h"
  13 #include "metafiledrv.h"
  14 #include "debug.h"
  15
  16 /**********************************************************************
  17  *           MFDRV_MoveToEx
  18  */
  19 BOOL32
  20 MFDRV_MoveToEx(DC *dc,INT32 x,INT32 y,LPPOINT32 pt)
  21 {
  22     if (!MF_MetaParam2(dc,META_MOVETO,x,y))
  23         return FALSE;
  24
  25     if (pt)
  26     {
  27         pt->x = dc->w.CursPosX;
  28         pt->y = dc->w.CursPosY;
  29     }
  30     dc->w.CursPosX = x;
  31     dc->w.CursPosY = y;
  32     return TRUE;
  33 }
  34
  35 /***********************************************************************
  36  *           MFDRV_LineTo
  37  */
  38 BOOL32
  39 MFDRV_LineTo( DC *dc, INT32 x, INT32 y )
  40 {
  41      return MF_MetaParam2(dc, META_LINETO, x, y);
  42 }
  43
  44
  45 /***********************************************************************
  46  *           MFDRV_Arc
  47  */
  48 BOOL32
  49 MFDRV_Arc( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
  50            INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
  51 {
  52      return MF_MetaParam8(dc, META_ARC, left, top, right, bottom,
  53                           xstart, ystart, xend, yend);
  54 }
  55
  56
  57 /***********************************************************************
  58  *           MFDRV_Pie
  59  */
  60 BOOL32
  61 MFDRV_Pie( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
  62            INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
  63 {
  64     return MF_MetaParam8(dc, META_PIE, left, top, right, bottom,
  65                          xstart, ystart, xend, yend);
  66 }
  67
  68
  69 /***********************************************************************
  70  *           MFDRV_Chord
  71  */
  72 BOOL32
  73 MFDRV_Chord( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
  74              INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
  75 {
  76     return MF_MetaParam8(dc, META_CHORD, left, top, right, bottom,
  77                          xstart, ystart, xend, yend);
  78 }
  79
  80 /***********************************************************************
  81  *           MFDRV_Ellipse
  82  */
  83 BOOL32
  84 MFDRV_Ellipse( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom )
  85 {
  86     return MF_MetaParam4(dc, META_ELLIPSE, left, top, right, bottom);
  87 }
  88
  89 /***********************************************************************
  90  *           MFDRV_Rectangle
  91  */
  92 BOOL32
  93 MFDRV_Rectangle(DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom)
  94 {
  95     return MF_MetaParam4(dc, META_RECTANGLE, left, top, right, bottom);
  96 }
  97
  98 /***********************************************************************
  99  *           MFDRV_RoundRect
 100  */
 101 BOOL32
 102 MFDRV_RoundRect( DC *dc, INT32 left, INT32 top, INT32 right,
 103                  INT32 bottom, INT32 ell_width, INT32 ell_height )
 104 {
 105     return MF_MetaParam6(dc, META_ROUNDRECT, left, top, right, bottom,
 106                          ell_width, ell_height);
 107 }
 108
 109 /***********************************************************************
 110  *           MFDRV_SetPixel
 111  */
 112 COLORREF
 113 MFDRV_SetPixel( DC *dc, INT32 x, INT32 y, COLORREF color )
 114 {
 115     return MF_MetaParam4(dc, META_SETPIXEL, x, y,HIWORD(color),LOWORD(color));
 116 }
 117
 118
 119 /**********************************************************************
 120  *          MFDRV_Polyline
 121  */
 122 BOOL32
 123 MFDRV_Polyline( DC *dc, const POINT32* pt, INT32 count )
 124 {
 125     register int i;
 126     LPPOINT16   pt16;
 127     BOOL16      ret;
 128
 129     pt16 = (LPPOINT16)xmalloc(sizeof(POINT16)*count);
 130     for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
 131     ret = MF_MetaPoly(dc, META_POLYLINE, pt16, count);
 132
 133     free(pt16);
 134     return ret;
 135 }
 136
 137
 138 /**********************************************************************
 139  *          MFDRV_Polygon
 140  */
 141 BOOL32
 142 MFDRV_Polygon( DC *dc, const POINT32* pt, INT32 count )
 143 {
 144     register int i;
 145     LPPOINT16   pt16;
 146     BOOL16      ret;
 147
 148     pt16 = (LPPOINT16)xmalloc(sizeof(POINT16)*count);
 149     for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
 150     ret = MF_MetaPoly(dc, META_POLYGON, pt16, count);
 151
 152     free(pt16);
 153     return ret;
 154 }
 155
 156
 157 /**********************************************************************
 158  *          PolyPolygon
 159  */
 160 BOOL32
 161 MFDRV_PolyPolygon( DC *dc, const POINT32* pt, const INT32* counts, UINT32 polygons)
 162 {
 163     int         i,j;
 164     LPPOINT16   pt16;
 165     const POINT32* curpt=pt;
 166     BOOL32      ret;
 167
 168     for (i=0;i<polygons;i++) {
 169         pt16=(LPPOINT16)xmalloc(sizeof(POINT16)*counts[i]);
 170         for (j=counts[i];j--;) CONV_POINT32TO16(&(curpt[j]),&(pt16[j]));
 171         ret = MF_MetaPoly(dc, META_POLYGON, pt16, counts[i]);
 172         free(pt16);
 173         if (!ret)
 174             return FALSE;
 175         curpt+=counts[i];
 176     }
 177     return TRUE;
 178 }
 179
 180
 181 /**********************************************************************
 182  *          MFDRV_ExtFloodFill
 183  */
 184 BOOL32
 185 MFDRV_ExtFloodFill( DC *dc, INT32 x, INT32 y, COLORREF color, UINT32 fillType )
 186 {
 187     return MF_MetaParam4(dc,META_FLOODFILL,x,y,HIWORD(color),LOWORD(color));
 188 }
 189
 190
 191 /**********************************************************************
 192  *          MFDRV_PaintRgn
 193  */
 194 BOOL32
 195 MFDRV_PaintRgn( DC *dc, HRGN32 hrgn )
 196 {
 197     INT16 index;
 198     index = MF_CreateRegion( dc, hrgn );
 199     if(index == -1)
 200         return FALSE;
 201     return MF_MetaParam1( dc, META_PAINTREGION, index );
 202 }
 203
 204
 205 /**********************************************************************
 206  *          MFDRV_SetBkColor
 207  */
 208 COLORREF
 209 MFDRV_SetBkColor( DC *dc, COLORREF color )
 210 {
 211     return MF_MetaParam2(dc, META_SETBKCOLOR, HIWORD(color), LOWORD(color));
 212 }
 213
 214
 215 /**********************************************************************
 216  *          MFDRV_SetTextColor
 217  */
 218 COLORREF
 219 MFDRV_SetTextColor( DC *dc, COLORREF color )
 220 {
 221     return MF_MetaParam2(dc, META_SETTEXTCOLOR, HIWORD(color), LOWORD(color));
 222 }
 223