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 extern GpStatus hresult_to_status(HRESULT res);
  45 extern REAL convert_unit(HDC hdc, GpUnit unit);
  46
  47 static inline INT roundr(REAL x)
  48 {
  49     return (INT) floorf(x + 0.5);
  50 }
  51
  52 static inline REAL deg2rad(REAL degrees)
  53 {
  54     return M_PI * degrees / 180.0;
  55 }
  56
  57 struct GpPen{
  58     UINT style;
  59     GpUnit unit;
  60     REAL width;
  61     GpLineCap endcap;
  62     GpLineCap startcap;
  63     GpDashCap dashcap;
  64     GpCustomLineCap *customstart;
  65     GpCustomLineCap *customend;
  66     GpLineJoin join;
  67     REAL miterlimit;
  68     GpDashStyle dash;
  69     REAL *dashes;
  70     INT numdashes;
  71     REAL offset;    /* dash offset */
  72     GpBrush *brush;
  73 };
  74
  75 struct GpGraphics{
  76     HDC hdc;
  77     HWND hwnd;
  78     SmoothingMode smoothing;
  79     CompositingQuality compqual;
  80     InterpolationMode interpolation;
  81     PixelOffsetMode pixeloffset;
  82     CompositingMode compmode;
  83     TextRenderingHint texthint;
  84     GpUnit unit;    /* page unit */
  85     REAL scale;     /* page scale */
  86     GpMatrix * worldtrans; /* world transform */
  87 };
  88
  89 struct GpBrush{
  90     HBRUSH gdibrush;
  91     GpBrushType bt;
  92     LOGBRUSH lb;
  93 };
  94
  95 struct GpSolidFill{
  96     GpBrush brush;
  97     ARGB color;
  98 };
  99
 100 struct GpPathGradient{
 101     GpBrush brush;
 102     PathData pathdata;
 103     ARGB centercolor;
 104     GpWrapMode wrap;
 105     BOOL gamma;
 106     GpPointF center;
 107     GpPointF focus;
 108     REAL* blendfac;  /* blend factors */
 109     REAL* blendpos;  /* blend positions */
 110     INT blendcount;
 111 };
 112
 113 struct GpLineGradient{
 114     GpBrush brush;
 115     GpPointF startpoint;
 116     GpPointF endpoint;
 117     ARGB startcolor;
 118     ARGB endcolor;
 119     GpWrapMode wrap;
 120     BOOL gamma;
 121 };
 122
 123 struct GpTexture{
 124     GpBrush brush;
 125 };
 126
 127 struct GpPath{
 128     GpFillMode fill;
 129     GpPathData pathdata;
 130     BOOL newfigure; /* whether the next drawing action starts a new figure */
 131     INT datalen; /* size of the arrays in pathdata */
 132 };
 133
 134 struct GpMatrix{
 135     REAL matrix[6];
 136 };
 137
 138 struct GpPathIterator{
 139     GpPathData pathdata;
 140     INT subpath_pos;    /* for NextSubpath methods */
 141     INT marker_pos;     /* for NextMarker methods */
 142     INT pathtype_pos;   /* for NextPathType methods */
 143 };
 144
 145 struct GpCustomLineCap{
 146     GpPathData pathdata;
 147     BOOL fill;      /* TRUE for fill, FALSE for stroke */
 148     GpLineCap cap;  /* as far as I can tell, this value is ignored */
 149     REAL inset;     /* how much to adjust the end of the line */
 150 };
 151
 152 struct GpImage{
 153     IPicture* picture;
 154     ImageType type;
 155     UINT flags;
 156 };
 157
 158 struct GpMetafile{
 159     GpImage image;
 160     GpRectF bounds;
 161     GpUnit unit;
 162 };
 163
 164 struct GpBitmap{
 165     GpImage image;
 166     INT width;
 167     INT height;
 168     PixelFormat format;
 169     ImageLockMode lockmode;
 170     INT numlocks;
 171     BYTE *bitmapbits;   /* pointer to the buffer we passed in BitmapLockBits */
 172 };
 173
 174 struct GpImageAttributes{
 175     WrapMode wrap;
 176 };
 177
 178 struct GpFont{
 179     LOGFONTW lfw;
 180     REAL emSize;
 181     Unit unit;
 182 };
 183
 184 struct GpStringFormat{
 185     INT attr;
 186     LANGID lang;
 187     StringAlignment align;
 188     StringTrimming trimming;
 189     HotkeyPrefix hkprefix;
 190     StringAlignment vertalign;
 191 };
 192
 193 struct GpFontCollection{
 194     GpFontFamily* FontFamilies;
 195 };
 196
 197 struct GpFontFamily{
 198     NEWTEXTMETRICW tmw;
 199     WCHAR FamilyName[LF_FACESIZE];
 200 };
 201
 202 #endif