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