dlls/gdi32/gdidc.c

   1 /*
   2  * GDI Device Context functions
   3  *
   4  * Copyright 1993, 1994 Alexandre Julliard
   5  * Copyright 1997 Bertho A. Stultiens
   6  *           1999 Huw D M Davies
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "gdi_private.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
  27
  28 static DC_ATTR *get_dc_attr( HDC hdc )
  29 {
  30     WORD type = gdi_handle_type( hdc );
  31     DC_ATTR *dc_attr;
  32     if ((type & 0x1f) != NTGDI_OBJ_DC || !(dc_attr = get_gdi_client_ptr( hdc, 0 )))
  33     {
  34         SetLastError( ERROR_INVALID_HANDLE );
  35         return NULL;
  36     }
  37     return dc_attr;
  38 }
  39
  40 /***********************************************************************
  41  *           LineTo    (GDI32.@)
  42  */
  43 BOOL WINAPI LineTo( HDC hdc, INT x, INT y )
  44 {
  45     DC_ATTR *dc_attr;
  46
  47     TRACE( "%p, (%d, %d)\n", hdc, x, y );
  48
  49     if (is_meta_dc( hdc )) return METADC_LineTo( hdc, x, y );
  50     if (!(dc_attr = get_dc_attr( hdc ))) return FALSE;
  51     if (dc_attr->emf && !EMFDC_LineTo( dc_attr, x, y )) return FALSE;
  52     return NtGdiLineTo( hdc, x, y );
  53 }
  54
  55 /***********************************************************************
  56  *           MoveToEx    (GDI32.@)
  57  */
  58 BOOL WINAPI MoveToEx( HDC hdc, INT x, INT y, POINT *pt )
  59 {
  60     TRACE( "%p, (%d, %d), %p\n", hdc, x, y, pt );
  61
  62     if (is_meta_dc( hdc )) return METADC_MoveTo( hdc, x, y );
  63     return NtGdiMoveTo( hdc, x, y, pt );
  64 }
  65
  66 /***********************************************************************
  67  *           Arc    (GDI32.@)
  68  */
  69 BOOL WINAPI Arc( HDC hdc, INT left, INT top, INT right, INT bottom,
  70                  INT xstart, INT ystart, INT xend, INT yend )
  71 {
  72     TRACE( "%p, (%d, %d)-(%d, %d), (%d, %d), (%d, %d)\n", hdc, left, top,
  73            right, bottom, xstart, ystart, xend, yend );
  74
  75     if (is_meta_dc( hdc ))
  76         return METADC_Arc( hdc, left, top, right, bottom,
  77                            xstart, ystart, xend, yend );
  78
  79     return NtGdiArcInternal( NtGdiArc, hdc, left, top, right, bottom,
  80                              xstart, ystart, xend, yend );
  81 }
  82
  83 /***********************************************************************
  84  *           ArcTo    (GDI32.@)
  85  */
  86 BOOL WINAPI ArcTo( HDC hdc, INT left, INT top, INT right, INT bottom,
  87                    INT xstart, INT ystart, INT xend, INT yend )
  88 {
  89     TRACE( "%p, (%d, %d)-(%d, %d), (%d, %d), (%d, %d)\n", hdc, left, top,
  90            right, bottom, xstart, ystart, xend, yend );
  91
  92     return NtGdiArcInternal( NtGdiArcTo, hdc, left, top, right, bottom,
  93                              xstart, ystart, xend, yend );
  94 }
  95
  96 /***********************************************************************
  97  *           Chord    (GDI32.@)
  98  */
  99 BOOL WINAPI Chord( HDC hdc, INT left, INT top, INT right, INT bottom,
 100                    INT xstart, INT ystart, INT xend, INT yend )
 101 {
 102     TRACE( "%p, (%d, %d)-(%d, %d), (%d, %d), (%d, %d)\n", hdc, left, top,
 103            right, bottom, xstart, ystart, xend, yend );
 104
 105     if (is_meta_dc( hdc ))
 106         return METADC_Chord( hdc, left, top, right, bottom,
 107                              xstart, ystart, xend, yend );
 108
 109     return NtGdiArcInternal( NtGdiChord, hdc, left, top, right, bottom,
 110                              xstart, ystart, xend, yend );
 111 }
 112
 113 /***********************************************************************
 114  *           Pie   (GDI32.@)
 115  */
 116 BOOL WINAPI Pie( HDC hdc, INT left, INT top, INT right, INT bottom,
 117                  INT xstart, INT ystart, INT xend, INT yend )
 118 {
 119     TRACE( "%p, (%d, %d)-(%d, %d), (%d, %d), (%d, %d)\n", hdc, left, top,
 120            right, bottom, xstart, ystart, xend, yend );
 121
 122     if (is_meta_dc( hdc ))
 123         return METADC_Pie( hdc, left, top, right, bottom,
 124                            xstart, ystart, xend, yend );
 125
 126     return NtGdiArcInternal( NtGdiPie, hdc, left, top, right, bottom,
 127                              xstart, ystart, xend, yend );
 128 }