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 #define VERSION_MAGIC 0xdbc01001
  41
  42 COLORREF ARGB2COLORREF(ARGB color);
  43 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
  44     REAL startAngle, REAL sweepAngle);
  45 extern REAL gdiplus_atan2(REAL dy, REAL dx);
  46 extern GpStatus hresult_to_status(HRESULT res);
  47 extern REAL convert_unit(HDC hdc, GpUnit unit);
  48
  49 static inline INT roundr(REAL x)
  50 {
  51     return (INT) floorf(x + 0.5);
  52 }
  53
  54 static inline REAL deg2rad(REAL degrees)
  55 {
  56     return M_PI * degrees / 180.0;
  57 }
  58
  59 struct GpPen{
  60     UINT style;
  61     GpUnit unit;
  62     REAL width;
  63     GpLineCap endcap;
  64     GpLineCap startcap;
  65     GpDashCap dashcap;
  66     GpCustomLineCap *customstart;
  67     GpCustomLineCap *customend;
  68     GpLineJoin join;
  69     REAL miterlimit;
  70     GpDashStyle dash;
  71     REAL *dashes;
  72     INT numdashes;
  73     REAL offset;    /* dash offset */
  74     GpBrush *brush;
  75     GpPenAlignment align;
  76 };
  77
  78 struct GpGraphics{
  79     HDC hdc;
  80     HWND hwnd;
  81     SmoothingMode smoothing;
  82     CompositingQuality compqual;
  83     InterpolationMode interpolation;
  84     PixelOffsetMode pixeloffset;
  85     CompositingMode compmode;
  86     TextRenderingHint texthint;
  87     GpUnit unit;    /* page unit */
  88     REAL scale;     /* page scale */
  89     GpMatrix * worldtrans; /* world transform */
  90 };
  91
  92 struct GpBrush{
  93     HBRUSH gdibrush;
  94     GpBrushType bt;
  95     LOGBRUSH lb;
  96 };
  97
  98 struct GpSolidFill{
  99     GpBrush brush;
 100     ARGB color;
 101 };
 102
 103 struct GpPathGradient{
 104     GpBrush brush;
 105     PathData pathdata;
 106     ARGB centercolor;
 107     GpWrapMode wrap;
 108     BOOL gamma;
 109     GpPointF center;
 110     GpPointF focus;
 111     REAL* blendfac;  /* blend factors */
 112     REAL* blendpos;  /* blend positions */
 113     INT blendcount;
 114 };
 115
 116 struct GpLineGradient{
 117     GpBrush brush;
 118     GpPointF startpoint;
 119     GpPointF endpoint;
 120     ARGB startcolor;
 121     ARGB endcolor;
 122     GpWrapMode wrap;
 123     BOOL gamma;
 124 };
 125
 126 struct GpTexture{
 127     GpBrush brush;
 128 };
 129
 130 struct GpPath{
 131     GpFillMode fill;
 132     GpPathData pathdata;
 133     BOOL newfigure; /* whether the next drawing action starts a new figure */
 134     INT datalen; /* size of the arrays in pathdata */
 135 };
 136
 137 struct GpMatrix{
 138     REAL matrix[6];
 139 };
 140
 141 struct GpPathIterator{
 142     GpPathData pathdata;
 143     INT subpath_pos;    /* for NextSubpath methods */
 144     INT marker_pos;     /* for NextMarker methods */
 145     INT pathtype_pos;   /* for NextPathType methods */
 146 };
 147
 148 struct GpCustomLineCap{
 149     GpPathData pathdata;
 150     BOOL fill;      /* TRUE for fill, FALSE for stroke */
 151     GpLineCap cap;  /* as far as I can tell, this value is ignored */
 152     REAL inset;     /* how much to adjust the end of the line */
 153     GpLineJoin join;
 154     REAL scale;
 155 };
 156
 157 struct GpImage{
 158     IPicture* picture;
 159     ImageType type;
 160     UINT flags;
 161 };
 162
 163 struct GpMetafile{
 164     GpImage image;
 165     GpRectF bounds;
 166     GpUnit unit;
 167 };
 168
 169 struct GpBitmap{
 170     GpImage image;
 171     INT width;
 172     INT height;
 173     PixelFormat format;
 174     ImageLockMode lockmode;
 175     INT numlocks;
 176     BYTE *bitmapbits;   /* pointer to the buffer we passed in BitmapLockBits */
 177 };
 178
 179 struct GpImageAttributes{
 180     WrapMode wrap;
 181 };
 182
 183 struct GpFont{
 184     LOGFONTW lfw;
 185     REAL emSize;
 186     Unit unit;
 187 };
 188
 189 struct GpStringFormat{
 190     INT attr;
 191     LANGID lang;
 192     LANGID digitlang;
 193     StringAlignment align;
 194     StringTrimming trimming;
 195     HotkeyPrefix hkprefix;
 196     StringAlignment vertalign;
 197     StringDigitSubstitute digitsub;
 198     INT tabcount;
 199     REAL firsttab;
 200     REAL *tabs;
 201 };
 202
 203 struct GpFontCollection{
 204     GpFontFamily* FontFamilies;
 205 };
 206
 207 struct GpFontFamily{
 208     NEWTEXTMETRICW tmw;
 209     WCHAR FamilyName[LF_FACESIZE];
 210 };
 211
 212 typedef struct region_element
 213 {
 214     DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
 215     union
 216     {
 217         GpRectF rect;
 218         struct
 219         {
 220             GpPath* path;
 221             struct
 222             {
 223                 DWORD size;
 224                 DWORD magic;
 225                 DWORD count;
 226                 DWORD flags;
 227             } pathheader;
 228         } pathdata;
 229         struct
 230         {
 231             struct region_element *left;  /* the original region */
 232             struct region_element *right; /* what *left was combined with */
 233         } combine;
 234     } elementdata;
 235 } region_element;
 236
 237 struct GpRegion{
 238     struct
 239     {
 240         DWORD size;
 241         DWORD checksum;
 242         DWORD magic;
 243         DWORD num_children;
 244     } header;
 245     region_element node;
 246 };
 247
 248 #endif