- Fix registered guids for IPortMidi
[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 extern BOOL lengthen_path(GpPath *path, INT len);
56
57 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
58
59 typedef struct region_element region_element;
60 extern inline void delete_element(region_element *element);
61
62 static inline INT roundr(REAL x)
63 {
64 return (INT) floor(x + 0.5);
65 }
66
67 static inline REAL deg2rad(REAL degrees)
68 {
69 return M_PI * degrees / 180.0;
70 }
71
72 struct GpPen{
73 UINT style;
74 GpUnit unit;
75 REAL width;
76 GpLineCap endcap;
77 GpLineCap startcap;
78 GpDashCap dashcap;
79 GpCustomLineCap *customstart;
80 GpCustomLineCap *customend;
81 GpLineJoin join;
82 REAL miterlimit;
83 GpDashStyle dash;
84 REAL *dashes;
85 INT numdashes;
86 REAL offset; /* dash offset */
87 GpBrush *brush;
88 GpPenAlignment align;
89 };
90
91 struct GpGraphics{
92 HDC hdc;
93 HWND hwnd;
94 SmoothingMode smoothing;
95 CompositingQuality compqual;
96 InterpolationMode interpolation;
97 PixelOffsetMode pixeloffset;
98 CompositingMode compmode;
99 TextRenderingHint texthint;
100 GpUnit unit; /* page unit */
101 REAL scale; /* page scale */
102 GpMatrix * worldtrans; /* world transform */
103 BOOL busy; /* hdc handle obtained by GdipGetDC */
104 GpRegion *clip;
105 UINT textcontrast; /* not used yet. get/set only */
106 };
107
108 struct GpBrush{
109 HBRUSH gdibrush;
110 GpBrushType bt;
111 LOGBRUSH lb;
112 };
113
114 struct GpSolidFill{
115 GpBrush brush;
116 ARGB color;
117 };
118
119 struct GpPathGradient{
120 GpBrush brush;
121 PathData pathdata;
122 ARGB centercolor;
123 GpWrapMode wrap;
124 BOOL gamma;
125 GpPointF center;
126 GpPointF focus;
127 REAL* blendfac; /* blend factors */
128 REAL* blendpos; /* blend positions */
129 INT blendcount;
130 };
131
132 struct GpLineGradient{
133 GpBrush brush;
134 GpPointF startpoint;
135 GpPointF endpoint;
136 ARGB startcolor;
137 ARGB endcolor;
138 GpWrapMode wrap;
139 BOOL gamma;
140 };
141
142 struct GpTexture{
143 GpBrush brush;
144 GpMatrix *transform;
145 WrapMode wrap; /* not used yet */
146 };
147
148 struct GpPath{
149 GpFillMode fill;
150 GpPathData pathdata;
151 BOOL newfigure; /* whether the next drawing action starts a new figure */
152 INT datalen; /* size of the arrays in pathdata */
153 };
154
155 struct GpMatrix{
156 REAL matrix[6];
157 };
158
159 struct GpPathIterator{
160 GpPathData pathdata;
161 INT subpath_pos; /* for NextSubpath methods */
162 INT marker_pos; /* for NextMarker methods */
163 INT pathtype_pos; /* for NextPathType methods */
164 };
165
166 struct GpCustomLineCap{
167 GpPathData pathdata;
168 BOOL fill; /* TRUE for fill, FALSE for stroke */
169 GpLineCap cap; /* as far as I can tell, this value is ignored */
170 REAL inset; /* how much to adjust the end of the line */
171 GpLineJoin join;
172 REAL scale;
173 };
174
175 struct GpAdustableArrowCap{
176 GpCustomLineCap cap;
177 };
178
179 struct GpImage{
180 IPicture* picture;
181 ImageType type;
182 UINT flags;
183 };
184
185 struct GpMetafile{
186 GpImage image;
187 GpRectF bounds;
188 GpUnit unit;
189 };
190
191 struct GpBitmap{
192 GpImage image;
193 INT width;
194 INT height;
195 PixelFormat format;
196 ImageLockMode lockmode;
197 INT numlocks;
198 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
199 };
200
201 struct GpCachedBitmap{
202 GpImage *image;
203 };
204
205 struct GpImageAttributes{
206 WrapMode wrap;
207 };
208
209 struct GpFont{
210 LOGFONTW lfw;
211 REAL emSize;
212 UINT height;
213 LONG line_spacing;
214 Unit unit;
215 };
216
217 struct GpStringFormat{
218 INT attr;
219 LANGID lang;
220 LANGID digitlang;
221 StringAlignment align;
222 StringTrimming trimming;
223 HotkeyPrefix hkprefix;
224 StringAlignment vertalign;
225 StringDigitSubstitute digitsub;
226 INT tabcount;
227 REAL firsttab;
228 REAL *tabs;
229 };
230
231 struct GpFontCollection{
232 GpFontFamily **FontFamilies;
233 INT count;
234 };
235
236 struct GpFontFamily{
237 NEWTEXTMETRICW tmw;
238 WCHAR FamilyName[LF_FACESIZE];
239 };
240
241 /* internal use */
242 typedef enum RegionType
243 {
244 RegionDataRect = 0x10000000,
245 RegionDataPath = 0x10000001,
246 RegionDataEmptyRect = 0x10000002,
247 RegionDataInfiniteRect = 0x10000003,
248 } RegionType;
249
250 struct region_element
251 {
252 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
253 union
254 {
255 GpRectF rect;
256 struct
257 {
258 GpPath* path;
259 struct
260 {
261 DWORD size;
262 DWORD magic;
263 DWORD count;
264 DWORD flags;
265 } pathheader;
266 } pathdata;
267 struct
268 {
269 struct region_element *left; /* the original region */
270 struct region_element *right; /* what *left was combined with */
271 } combine;
272 } elementdata;
273 };
274
275 struct GpRegion{
276 struct
277 {
278 DWORD size;
279 DWORD checksum;
280 DWORD magic;
281 DWORD num_children;
282 } header;
283 region_element node;
284 };
285
286 #endif