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 "graphics.h"
   9 #include "gdi.h"
  10 #include "dc.h"
  11 #include "metafile.h"
  12 #include "region.h"
  13 #include "xmalloc.h"
  14 #include "metafiledrv.h"
  15 #include "stddebug.h"
  16 #include "debug.h"
  17
  18 /**********************************************************************
  19  *           MFDRV_MoveToEx
  20  */
  21 BOOL32
  22 MFDRV_MoveToEx(DC *dc,INT32 x,INT32 y,LPPOINT32 pt)
  23 {
  24     if (!MF_MetaParam2(dc,META_MOVETO,x,y))
  25         return FALSE;
  26
  27     if (pt)
  28     {
  29         pt->x = dc->w.CursPosX;
  30         pt->y = dc->w.CursPosY;
  31     }
  32     dc->w.CursPosX = x;
  33     dc->w.CursPosY = y;
  34     return TRUE;
  35 }
  36
  37 /***********************************************************************
  38  *           MFDRV_LineTo
  39  */
  40 BOOL32
  41 MFDRV_LineTo( DC *dc, INT32 x, INT32 y )
  42 {
  43      return MF_MetaParam2(dc, META_LINETO, x, y);
  44 }
  45
  46
  47 /***********************************************************************
  48  *           MFDRV_Arc
  49  */
  50 BOOL32
  51 MFDRV_Arc( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
  52            INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
  53 {
  54      return MF_MetaParam8(dc, META_ARC, left, top, right, bottom,
  55                           xstart, ystart, xend, yend);
  56 }
  57
  58
  59 /***********************************************************************
  60  *           MFDRV_Pie
  61  */
  62 BOOL32
  63 MFDRV_Pie( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
  64            INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
  65 {
  66     return MF_MetaParam8(dc, META_PIE, left, top, right, bottom,
  67                          xstart, ystart, xend, yend);
  68 }
  69
  70
  71 /***********************************************************************
  72  *           MFDRV_Chord
  73  */
  74 BOOL32
  75 MFDRV_Chord( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom,
  76              INT32 xstart, INT32 ystart, INT32 xend, INT32 yend )
  77 {
  78     return MF_MetaParam8(dc, META_CHORD, left, top, right, bottom,
  79                          xstart, ystart, xend, yend);
  80 }
  81
  82 /***********************************************************************
  83  *           MFDRV_Ellipse
  84  */
  85 BOOL32
  86 MFDRV_Ellipse( DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom )
  87 {
  88     return MF_MetaParam4(dc, META_ELLIPSE, left, top, right, bottom);
  89 }
  90
  91 /***********************************************************************
  92  *           MFDRV_Rectangle
  93  */
  94 BOOL32
  95 MFDRV_Rectangle(DC *dc, INT32 left, INT32 top, INT32 right, INT32 bottom)
  96 {
  97     return MF_MetaParam4(dc, META_RECTANGLE, left, top, right, bottom);
  98 }
  99
 100 /***********************************************************************
 101  *           MFDRV_RoundRect
 102  */
 103 BOOL32
 104 MFDRV_RoundRect( DC *dc, INT32 left, INT32 top, INT32 right,
 105                  INT32 bottom, INT32 ell_width, INT32 ell_height )
 106 {
 107     return MF_MetaParam6(dc, META_ROUNDRECT, left, top, right, bottom,
 108                          ell_width, ell_height);
 109 }
 110
 111 /***********************************************************************
 112  *           MFDRV_SetPixel
 113  */
 114 COLORREF
 115 MFDRV_SetPixel( DC *dc, INT32 x, INT32 y, COLORREF color )
 116 {
 117     return MF_MetaParam4(dc, META_SETPIXEL, x, y,HIWORD(color),LOWORD(color));
 118 }
 119
 120
 121 /**********************************************************************
 122  *          MFDRV_Polyline
 123  */
 124 BOOL32
 125 MFDRV_Polyline( DC *dc, const LPPOINT32 pt, INT32 count )
 126 {
 127     register int i;
 128     LPPOINT16   pt16;
 129     BOOL16      ret;
 130
 131     pt16 = (LPPOINT16)xmalloc(sizeof(POINT16)*count);
 132     for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
 133     ret = MF_MetaPoly(dc, META_POLYLINE, pt16, count);
 134
 135     free(pt16);
 136     return ret;
 137 }
 138
 139
 140 /**********************************************************************
 141  *          MFDRV_Polygon
 142  */
 143 BOOL32
 144 MFDRV_Polygon( DC *dc, LPPOINT32 pt, INT32 count )
 145 {
 146     register int i;
 147     LPPOINT16   pt16;
 148     BOOL16      ret;
 149
 150     pt16 = (LPPOINT16)xmalloc(sizeof(POINT16)*count);
 151     for (i=count;i--;) CONV_POINT32TO16(&(pt[i]),&(pt16[i]));
 152     ret = MF_MetaPoly(dc, META_POLYGON, pt16, count);
 153
 154     free(pt16);
 155     return ret;
 156 }
 157
 158
 159 /**********************************************************************
 160  *          PolyPolygon
 161  */
 162 BOOL32
 163 MFDRV_PolyPolygon( DC *dc, LPPOINT32 pt, LPINT32 counts, UINT32 polygons)
 164 {
 165     int         i,j;
 166     LPPOINT16   pt16;
 167     LPPOINT32   curpt=pt;
 168     BOOL32      ret;
 169
 170     for (i=0;i<polygons;i++) {
 171         pt16=(LPPOINT16)xmalloc(sizeof(POINT16)*counts[i]);
 172         for (j=counts[i];j--;) CONV_POINT32TO16(&(curpt[j]),&(pt16[j]));
 173         ret = MF_MetaPoly(dc, META_POLYGON, pt16, counts[i]);
 174         free(pt16);
 175         if (!ret)
 176             return FALSE;
 177         curpt+=counts[i];
 178     }
 179     return TRUE;
 180 }
 181
 182
 183 /**********************************************************************
 184  *          MFDRV_ExtFloodFill
 185  */
 186 BOOL32
 187 MFDRV_ExtFloodFill( DC *dc, INT32 x, INT32 y, COLORREF color, UINT32 fillType )
 188 {
 189     return MF_MetaParam4(dc,META_FLOODFILL,x,y,HIWORD(color),LOWORD(color));
 190 }