- Sync gdiplus with Wine head
[reactos.git] / reactos / dll / win32 / 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 #define TENSION_CONST (0.3)
42
43 COLORREF ARGB2COLORREF(ARGB color);
44 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
45 REAL startAngle, REAL sweepAngle);
46 extern REAL gdiplus_atan2(REAL dy, REAL dx);
47 extern GpStatus hresult_to_status(HRESULT res);
48 extern REAL convert_unit(HDC hdc, GpUnit unit);
49
50 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
51 REAL *y1, REAL *x2, REAL *y2);
52 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
53 REAL tension, REAL *x, REAL *y);
54
55 static inline INT roundr(REAL x)
56 {
57 return (INT) floor(x + 0.5);
58 }
59
60 static inline REAL deg2rad(REAL degrees)
61 {
62 return M_PI * degrees / 180.0;
63 }
64
65 struct GpPen{
66 UINT style;
67 GpUnit unit;
68 REAL width;
69 GpLineCap endcap;
70 GpLineCap startcap;
71 GpDashCap dashcap;
72 GpCustomLineCap *customstart;
73 GpCustomLineCap *customend;
74 GpLineJoin join;
75 REAL miterlimit;
76 GpDashStyle dash;
77 REAL *dashes;
78 INT numdashes;
79 REAL offset; /* dash offset */
80 GpBrush *brush;
81 GpPenAlignment align;
82 };
83
84 struct GpGraphics{
85 HDC hdc;
86 HWND hwnd;
87 SmoothingMode smoothing;
88 CompositingQuality compqual;
89 InterpolationMode interpolation;
90 PixelOffsetMode pixeloffset;
91 CompositingMode compmode;
92 TextRenderingHint texthint;
93 GpUnit unit; /* page unit */
94 REAL scale; /* page scale */
95 GpMatrix * worldtrans; /* world transform */
96 };
97
98 struct GpBrush{
99 HBRUSH gdibrush;
100 GpBrushType bt;
101 LOGBRUSH lb;
102 };
103
104 struct GpSolidFill{
105 GpBrush brush;
106 ARGB color;
107 };
108
109 struct GpPathGradient{
110 GpBrush brush;
111 PathData pathdata;
112 ARGB centercolor;
113 GpWrapMode wrap;
114 BOOL gamma;
115 GpPointF center;
116 GpPointF focus;
117 REAL* blendfac; /* blend factors */
118 REAL* blendpos; /* blend positions */
119 INT blendcount;
120 };
121
122 struct GpLineGradient{
123 GpBrush brush;
124 GpPointF startpoint;
125 GpPointF endpoint;
126 ARGB startcolor;
127 ARGB endcolor;
128 GpWrapMode wrap;
129 BOOL gamma;
130 };
131
132 struct GpTexture{
133 GpBrush brush;
134 };
135
136 struct GpPath{
137 GpFillMode fill;
138 GpPathData pathdata;
139 BOOL newfigure; /* whether the next drawing action starts a new figure */
140 INT datalen; /* size of the arrays in pathdata */
141 };
142
143 struct GpMatrix{
144 REAL matrix[6];
145 };
146
147 struct GpPathIterator{
148 GpPathData pathdata;
149 INT subpath_pos; /* for NextSubpath methods */
150 INT marker_pos; /* for NextMarker methods */
151 INT pathtype_pos; /* for NextPathType methods */
152 };
153
154 struct GpCustomLineCap{
155 GpPathData pathdata;
156 BOOL fill; /* TRUE for fill, FALSE for stroke */
157 GpLineCap cap; /* as far as I can tell, this value is ignored */
158 REAL inset; /* how much to adjust the end of the line */
159 GpLineJoin join;
160 REAL scale;
161 };
162
163 struct GpImage{
164 IPicture* picture;
165 ImageType type;
166 UINT flags;
167 };
168
169 struct GpMetafile{
170 GpImage image;
171 GpRectF bounds;
172 GpUnit unit;
173 };
174
175 struct GpBitmap{
176 GpImage image;
177 INT width;
178 INT height;
179 PixelFormat format;
180 ImageLockMode lockmode;
181 INT numlocks;
182 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
183 };
184
185 struct GpImageAttributes{
186 WrapMode wrap;
187 };
188
189 struct GpFont{
190 LOGFONTW lfw;
191 REAL emSize;
192 Unit unit;
193 };
194
195 struct GpStringFormat{
196 INT attr;
197 LANGID lang;
198 LANGID digitlang;
199 StringAlignment align;
200 StringTrimming trimming;
201 HotkeyPrefix hkprefix;
202 StringAlignment vertalign;
203 StringDigitSubstitute digitsub;
204 INT tabcount;
205 REAL firsttab;
206 REAL *tabs;
207 };
208
209 struct GpFontCollection{
210 GpFontFamily* FontFamilies;
211 };
212
213 struct GpFontFamily{
214 NEWTEXTMETRICW tmw;
215 WCHAR FamilyName[LF_FACESIZE];
216 };
217
218 typedef struct region_element
219 {
220 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
221 union
222 {
223 GpRectF rect;
224 struct
225 {
226 GpPath* path;
227 struct
228 {
229 DWORD size;
230 DWORD magic;
231 DWORD count;
232 DWORD flags;
233 } pathheader;
234 } pathdata;
235 struct
236 {
237 struct region_element *left; /* the original region */
238 struct region_element *right; /* what *left was combined with */
239 } combine;
240 } elementdata;
241 } region_element;
242
243 struct GpRegion{
244 struct
245 {
246 DWORD size;
247 DWORD checksum;
248 DWORD magic;
249 DWORD num_children;
250 } header;
251 region_element node;
252 };
253
254 #endif