dlls/gdiplus/customlinecap.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24
  25 #include "objbase.h"
  26
  27 #include "gdiplus.h"
  28 #include "gdiplus_private.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  32
  33 GpStatus WINGDIPAPI GdipCloneCustomLineCap(GpCustomLineCap* from,
  34     GpCustomLineCap** to)
  35 {
  36     if(!from || !to)
  37         return InvalidParameter;
  38
  39     *to = GdipAlloc(sizeof(GpCustomLineCap));
  40     if(!*to)   return OutOfMemory;
  41
  42     memcpy(*to, from, sizeof(GpCustomLineCap));
  43
  44     (*to)->pathdata.Points = GdipAlloc(from->pathdata.Count * sizeof(PointF));
  45     (*to)->pathdata.Types = GdipAlloc(from->pathdata.Count);
  46
  47     if((!(*to)->pathdata.Types  || !(*to)->pathdata.Points) && (*to)->pathdata.Count){
  48         GdipFree((*to)->pathdata.Points);
  49         GdipFree((*to)->pathdata.Types);
  50         GdipFree(*to);
  51         return OutOfMemory;
  52     }
  53
  54     memcpy((*to)->pathdata.Points, from->pathdata.Points, from->pathdata.Count
  55            * sizeof(PointF));
  56     memcpy((*to)->pathdata.Types, from->pathdata.Types, from->pathdata.Count);
  57
  58     return Ok;
  59 }
  60
  61 /* FIXME: Sometimes when fillPath is non-null and stroke path is null, the native
  62  * version of this function returns NotImplemented. I cannot figure out why. */
  63 GpStatus WINGDIPAPI GdipCreateCustomLineCap(GpPath* fillPath, GpPath* strokePath,
  64     GpLineCap baseCap, REAL baseInset, GpCustomLineCap **customCap)
  65 {
  66     GpPathData *pathdata;
  67
  68     TRACE("%p %p %d %f %p\n", fillPath, strokePath, baseCap, baseInset, customCap);
  69
  70     if(!customCap || !(fillPath || strokePath))
  71         return InvalidParameter;
  72
  73     *customCap = GdipAlloc(sizeof(GpCustomLineCap));
  74     if(!*customCap)    return OutOfMemory;
  75
  76     if(strokePath){
  77         (*customCap)->fill = FALSE;
  78         pathdata = &strokePath->pathdata;
  79     }
  80     else{
  81         (*customCap)->fill = TRUE;
  82         pathdata = &fillPath->pathdata;
  83     }
  84
  85     (*customCap)->pathdata.Points = GdipAlloc(pathdata->Count * sizeof(PointF));
  86     (*customCap)->pathdata.Types = GdipAlloc(pathdata->Count);
  87
  88     if((!(*customCap)->pathdata.Types || !(*customCap)->pathdata.Points) &&
  89         pathdata->Count){
  90         GdipFree((*customCap)->pathdata.Points);
  91         GdipFree((*customCap)->pathdata.Types);
  92         GdipFree(*customCap);
  93         return OutOfMemory;
  94     }
  95
  96     memcpy((*customCap)->pathdata.Points, pathdata->Points, pathdata->Count
  97            * sizeof(PointF));
  98     memcpy((*customCap)->pathdata.Types, pathdata->Types, pathdata->Count);
  99     (*customCap)->pathdata.Count = pathdata->Count;
 100
 101     (*customCap)->inset = baseInset;
 102     (*customCap)->cap = baseCap;
 103
 104     return Ok;
 105 }
 106
 107 GpStatus WINGDIPAPI GdipDeleteCustomLineCap(GpCustomLineCap *customCap)
 108 {
 109     if(!customCap)
 110         return InvalidParameter;
 111
 112     GdipFree(customCap->pathdata.Points);
 113     GdipFree(customCap->pathdata.Types);
 114     GdipFree(customCap);
 115
 116     return Ok;
 117 }
 118
 119 GpStatus WINGDIPAPI GdipSetCustomLineCapStrokeCaps(GpCustomLineCap* custom,
 120     GpLineCap start, GpLineCap end)
 121 {
 122     static int calls;
 123
 124     if(!custom)
 125         return InvalidParameter;
 126
 127     if(!(calls++))
 128         FIXME("not implemented\n");
 129
 130     return NotImplemented;
 131 }