dlls/gdiplus/gdiplus_private.h

   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 #ifndef __WINE_GP_PRIVATE_H_
  20 #define __WINE_GP_PRIVATE_H_
  21
  22 #include <math.h>
  23 #include "windef.h"
  24 #include "wingdi.h"
  25 #include "gdiplus.h"
  26
  27 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
  28 #define MAX_ARC_PTS (13)
  29
  30 COLORREF ARGB2COLORREF(ARGB color);
  31 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
  32     REAL startAngle, REAL sweepAngle);
  33 extern FLOAT gdiplus_atan2(FLOAT dy, FLOAT dx);
  34
  35 static inline INT roundr(REAL x)
  36 {
  37     return (INT) floorf(x + 0.5);
  38 }
  39
  40 static inline REAL deg2rad(REAL degrees)
  41 {
  42     return M_PI * degrees / 180.0;
  43 }
  44
  45 struct GpPen{
  46     UINT style;
  47     GpUnit unit;
  48     REAL width;
  49     GpLineCap endcap;
  50     GpLineCap startcap;
  51     GpDashCap dashcap;
  52     GpCustomLineCap *customstart;
  53     GpCustomLineCap *customend;
  54     GpLineJoin join;
  55     REAL miterlimit;
  56     GpDashStyle dash;
  57     REAL *dashes;
  58     INT numdashes;
  59     GpBrush *brush;
  60 };
  61
  62 struct GpGraphics{
  63     HDC hdc;
  64     HWND hwnd;
  65     SmoothingMode smoothing;
  66     CompositingQuality compqual;
  67     InterpolationMode interpolation;
  68     PixelOffsetMode pixeloffset;
  69     GpUnit unit;    /* page unit */
  70     REAL scale;     /* page scale */
  71     GpMatrix * worldtrans; /* world transform */
  72 };
  73
  74 struct GpBrush{
  75     HBRUSH gdibrush;
  76     GpBrushType bt;
  77     LOGBRUSH lb;
  78 };
  79
  80 struct GpSolidFill{
  81     GpBrush brush;
  82     ARGB color;
  83 };
  84
  85 struct GpPath{
  86     GpFillMode fill;
  87     GpPathData pathdata;
  88     BOOL newfigure; /* whether the next drawing action starts a new figure */
  89     INT datalen; /* size of the arrays in pathdata */
  90 };
  91
  92 struct GpMatrix{
  93     REAL matrix[6];
  94 };
  95
  96 struct GpPathIterator{
  97     GpPathData pathdata;
  98     INT subpath_pos;    /* for NextSubpath methods */
  99     INT marker_pos;     /* for NextMarker methods */
 100     INT pathtype_pos;   /* for NextPathType methods */
 101 };
 102
 103 struct GpCustomLineCap{
 104     GpPathData pathdata;
 105     BOOL fill;      /* TRUE for fill, FALSE for stroke */
 106     GpLineCap cap;  /* as far as I can tell, this value is ignored */
 107     REAL inset;     /* how much to adjust the end of the line */
 108 };
 109
 110 #endif