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
  24 #include "gdiplus.h"
  25 #include "gdiplus_private.h"
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  29
  30 GpStatus WINGDIPAPI GdipCloneCustomLineCap(GpCustomLineCap* from,
  31     GpCustomLineCap** to)
  32 {
  33     if(!from || !to)
  34         return InvalidParameter;
  35
  36     *to = GdipAlloc(sizeof(GpCustomLineCap));
  37     if(!*to)   return OutOfMemory;
  38
  39     memcpy(*to, from, sizeof(GpCustomLineCap));
  40
  41     (*to)->pathdata.Points = GdipAlloc(from->pathdata.Count * sizeof(PointF));
  42     (*to)->pathdata.Types = GdipAlloc(from->pathdata.Count);
  43
  44     if((!(*to)->pathdata.Types  || !(*to)->pathdata.Points) && (*to)->pathdata.Count){
  45         GdipFree((*to)->pathdata.Points);
  46         GdipFree((*to)->pathdata.Types);
  47         GdipFree(*to);
  48         return OutOfMemory;
  49     }
  50
  51     memcpy((*to)->pathdata.Points, from->pathdata.Points, from->pathdata.Count
  52            * sizeof(PointF));
  53     memcpy((*to)->pathdata.Types, from->pathdata.Types, from->pathdata.Count);
  54
  55     return Ok;
  56 }
  57
  58 /* FIXME: Sometimes when fillPath is non-null and stroke path is null, the native
  59  * version of this function returns NotImplemented. I cannot figure out why. */
  60 GpStatus WINGDIPAPI GdipCreateCustomLineCap(GpPath* fillPath, GpPath* strokePath,
  61     GpLineCap baseCap, REAL baseInset, GpCustomLineCap **customCap)
  62 {
  63     GpPathData *pathdata;
  64
  65     TRACE("%p %p %d %f %p\n", fillPath, strokePath, baseCap, baseInset, customCap);
  66
  67     if(!customCap || !(fillPath || strokePath))
  68         return InvalidParameter;
  69
  70     *customCap = GdipAlloc(sizeof(GpCustomLineCap));
  71     if(!*customCap)    return OutOfMemory;
  72
  73     if(strokePath){
  74         (*customCap)->fill = FALSE;
  75         pathdata = &strokePath->pathdata;
  76     }
  77     else{
  78         (*customCap)->fill = TRUE;
  79         pathdata = &fillPath->pathdata;
  80     }
  81
  82     (*customCap)->pathdata.Points = GdipAlloc(pathdata->Count * sizeof(PointF));
  83     (*customCap)->pathdata.Types = GdipAlloc(pathdata->Count);
  84
  85     if((!(*customCap)->pathdata.Types || !(*customCap)->pathdata.Points) &&
  86         pathdata->Count){
  87         GdipFree((*customCap)->pathdata.Points);
  88         GdipFree((*customCap)->pathdata.Types);
  89         GdipFree(*customCap);
  90         return OutOfMemory;
  91     }
  92
  93     memcpy((*customCap)->pathdata.Points, pathdata->Points, pathdata->Count
  94            * sizeof(PointF));
  95     memcpy((*customCap)->pathdata.Types, pathdata->Types, pathdata->Count);
  96     (*customCap)->pathdata.Count = pathdata->Count;
  97
  98     (*customCap)->inset = baseInset;
  99     (*customCap)->cap = baseCap;
 100
 101     return Ok;
 102 }
 103
 104 GpStatus WINGDIPAPI GdipDeleteCustomLineCap(GpCustomLineCap *customCap)
 105 {
 106     if(!customCap)
 107         return InvalidParameter;
 108
 109     GdipFree(customCap->pathdata.Points);
 110     GdipFree(customCap->pathdata.Types);
 111     GdipFree(customCap);
 112
 113     return Ok;
 114 }