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) floorf(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 BOOL owndc;
95 SmoothingMode smoothing;
96 CompositingQuality compqual;
97 InterpolationMode interpolation;
98 PixelOffsetMode pixeloffset;
99 CompositingMode compmode;
100 TextRenderingHint texthint;
101 GpUnit unit; /* page unit */
102 REAL scale; /* page scale */
103 GpMatrix * worldtrans; /* world transform */
104 BOOL busy; /* hdc handle obtained by GdipGetDC */
105 GpRegion *clip;
106 UINT textcontrast; /* not used yet. get/set only */
107 };
108
109 struct GpBrush{
110 HBRUSH gdibrush;
111 GpBrushType bt;
112 LOGBRUSH lb;
113 };
114
115 struct GpHatch{
116 GpBrush brush;
117 HatchStyle hatchstyle;
118 ARGB forecol;
119 ARGB backcol;
120 };
121
122 struct GpSolidFill{
123 GpBrush brush;
124 ARGB color;
125 };
126
127 struct GpPathGradient{
128 GpBrush brush;
129 PathData pathdata;
130 ARGB centercolor;
131 GpWrapMode wrap;
132 BOOL gamma;
133 GpPointF center;
134 GpPointF focus;
135 REAL* blendfac; /* blend factors */
136 REAL* blendpos; /* blend positions */
137 INT blendcount;
138 };
139
140 struct GpLineGradient{
141 GpBrush brush;
142 GpPointF startpoint;
143 GpPointF endpoint;
144 ARGB startcolor;
145 ARGB endcolor;
146 RectF rect;
147 GpWrapMode wrap;
148 BOOL gamma;
149 REAL* blendfac; /* blend factors */
150 REAL* blendpos; /* blend positions */
151 INT blendcount;
152 };
153
154 struct GpTexture{
155 GpBrush brush;
156 GpMatrix *transform;
157 WrapMode wrap; /* not used yet */
158 };
159
160 struct GpPath{
161 GpFillMode fill;
162 GpPathData pathdata;
163 BOOL newfigure; /* whether the next drawing action starts a new figure */
164 INT datalen; /* size of the arrays in pathdata */
165 };
166
167 struct GpMatrix{
168 REAL matrix[6];
169 };
170
171 struct GpPathIterator{
172 GpPathData pathdata;
173 INT subpath_pos; /* for NextSubpath methods */
174 INT marker_pos; /* for NextMarker methods */
175 INT pathtype_pos; /* for NextPathType methods */
176 };
177
178 struct GpCustomLineCap{
179 GpPathData pathdata;
180 BOOL fill; /* TRUE for fill, FALSE for stroke */
181 GpLineCap cap; /* as far as I can tell, this value is ignored */
182 REAL inset; /* how much to adjust the end of the line */
183 GpLineJoin join;
184 REAL scale;
185 };
186
187 struct GpAdustableArrowCap{
188 GpCustomLineCap cap;
189 };
190
191 struct GpImage{
192 IPicture* picture;
193 ImageType type;
194 UINT flags;
195 };
196
197 struct GpMetafile{
198 GpImage image;
199 GpRectF bounds;
200 GpUnit unit;
201 };
202
203 struct GpBitmap{
204 GpImage image;
205 INT width;
206 INT height;
207 PixelFormat format;
208 ImageLockMode lockmode;
209 INT numlocks;
210 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
211 };
212
213 struct GpCachedBitmap{
214 GpImage *image;
215 };
216
217 struct GpImageAttributes{
218 WrapMode wrap;
219 };
220
221 struct GpFont{
222 LOGFONTW lfw;
223 REAL emSize;
224 UINT height;
225 LONG line_spacing;
226 Unit unit;
227 };
228
229 struct GpStringFormat{
230 INT attr;
231 LANGID lang;
232 LANGID digitlang;
233 StringAlignment align;
234 StringTrimming trimming;
235 HotkeyPrefix hkprefix;
236 StringAlignment vertalign;
237 StringDigitSubstitute digitsub;
238 INT tabcount;
239 REAL firsttab;
240 REAL *tabs;
241 };
242
243 struct GpFontCollection{
244 GpFontFamily **FontFamilies;
245 INT count;
246 };
247
248 struct GpFontFamily{
249 NEWTEXTMETRICW tmw;
250 WCHAR FamilyName[LF_FACESIZE];
251 };
252
253 /* internal use */
254 typedef enum RegionType
255 {
256 RegionDataRect = 0x10000000,
257 RegionDataPath = 0x10000001,
258 RegionDataEmptyRect = 0x10000002,
259 RegionDataInfiniteRect = 0x10000003,
260 } RegionType;
261
262 struct region_element
263 {
264 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
265 union
266 {
267 GpRectF rect;
268 struct
269 {
270 GpPath* path;
271 struct
272 {
273 DWORD size;
274 DWORD magic;
275 DWORD count;
276 DWORD flags;
277 } pathheader;
278 } pathdata;
279 struct
280 {
281 struct region_element *left; /* the original region */
282 struct region_element *right; /* what *left was combined with */
283 } combine;
284 } elementdata;
285 };
286
287 struct GpRegion{
288 struct
289 {
290 DWORD size;
291 DWORD checksum;
292 DWORD magic;
293 DWORD num_children;
294 } header;
295 region_element node;
296 };
297
298 #endif
299
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