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 <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "wingdi.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29
  30 #include "objbase.h"
  31 #include "ocidl.h"
  32
  33 #include "gdiplus.h"
  34
  35 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
  36 #define MAX_ARC_PTS (13)
  37 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
  38 #define INCH_HIMETRIC (2540)
  39
  40 COLORREF ARGB2COLORREF(ARGB color);
  41 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
  42     REAL startAngle, REAL sweepAngle);
  43 extern REAL gdiplus_atan2(REAL dy, REAL dx);
  44
  45 static inline INT roundr(REAL x)
  46 {
  47     return (INT) floorf(x + 0.5);
  48 }
  49
  50 static inline REAL deg2rad(REAL degrees)
  51 {
  52     return M_PI * degrees / 180.0;
  53 }
  54
  55 struct GpPen{
  56     UINT style;
  57     GpUnit unit;
  58     REAL width;
  59     GpLineCap endcap;
  60     GpLineCap startcap;
  61     GpDashCap dashcap;
  62     GpCustomLineCap *customstart;
  63     GpCustomLineCap *customend;
  64     GpLineJoin join;
  65     REAL miterlimit;
  66     GpDashStyle dash;
  67     REAL *dashes;
  68     INT numdashes;
  69     GpBrush *brush;
  70 };
  71
  72 struct GpGraphics{
  73     HDC hdc;
  74     HWND hwnd;
  75     SmoothingMode smoothing;
  76     CompositingQuality compqual;
  77     InterpolationMode interpolation;
  78     PixelOffsetMode pixeloffset;
  79     GpUnit unit;    /* page unit */
  80     REAL scale;     /* page scale */
  81     GpMatrix * worldtrans; /* world transform */
  82 };
  83
  84 struct GpBrush{
  85     HBRUSH gdibrush;
  86     GpBrushType bt;
  87     LOGBRUSH lb;
  88 };
  89
  90 struct GpSolidFill{
  91     GpBrush brush;
  92     ARGB color;
  93 };
  94
  95 struct GpPathGradient{
  96     GpBrush brush;
  97     PathData pathdata;
  98     ARGB centercolor;
  99     GpWrapMode wrap;
 100     BOOL gamma;
 101     GpPointF center;
 102     GpPointF focus;
 103 };
 104
 105 struct GpPath{
 106     GpFillMode fill;
 107     GpPathData pathdata;
 108     BOOL newfigure; /* whether the next drawing action starts a new figure */
 109     INT datalen; /* size of the arrays in pathdata */
 110 };
 111
 112 struct GpMatrix{
 113     REAL matrix[6];
 114 };
 115
 116 struct GpPathIterator{
 117     GpPathData pathdata;
 118     INT subpath_pos;    /* for NextSubpath methods */
 119     INT marker_pos;     /* for NextMarker methods */
 120     INT pathtype_pos;   /* for NextPathType methods */
 121 };
 122
 123 struct GpCustomLineCap{
 124     GpPathData pathdata;
 125     BOOL fill;      /* TRUE for fill, FALSE for stroke */
 126     GpLineCap cap;  /* as far as I can tell, this value is ignored */
 127     REAL inset;     /* how much to adjust the end of the line */
 128 };
 129
 130 struct GpImage{
 131     IPicture* picture;
 132     ImageType type;
 133 };
 134
 135 struct GpMetafile{
 136     GpImage image;
 137     GpRectF bounds;
 138     GpUnit unit;
 139 };
 140
 141 struct GpBitmap{
 142     GpImage image;
 143     INT width;
 144     INT height;
 145 };
 146
 147 struct GpImageAttributes{
 148     WrapMode wrap;
 149 };
 150
 151 #endif