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 static inline INT roundr(REAL x)
58 {
59 return (INT) floorf(x + 0.5);
60 }
61
62 static inline REAL deg2rad(REAL degrees)
63 {
64 return M_PI * degrees / 180.0;
65 }
66
67 struct GpPen{
68 UINT style;
69 GpUnit unit;
70 REAL width;
71 GpLineCap endcap;
72 GpLineCap startcap;
73 GpDashCap dashcap;
74 GpCustomLineCap *customstart;
75 GpCustomLineCap *customend;
76 GpLineJoin join;
77 REAL miterlimit;
78 GpDashStyle dash;
79 REAL *dashes;
80 INT numdashes;
81 REAL offset; /* dash offset */
82 GpBrush *brush;
83 GpPenAlignment align;
84 };
85
86 struct GpGraphics{
87 HDC hdc;
88 HWND hwnd;
89 SmoothingMode smoothing;
90 CompositingQuality compqual;
91 InterpolationMode interpolation;
92 PixelOffsetMode pixeloffset;
93 CompositingMode compmode;
94 TextRenderingHint texthint;
95 GpUnit unit; /* page unit */
96 REAL scale; /* page scale */
97 GpMatrix * worldtrans; /* world transform */
98 };
99
100 struct GpBrush{
101 HBRUSH gdibrush;
102 GpBrushType bt;
103 LOGBRUSH lb;
104 };
105
106 struct GpSolidFill{
107 GpBrush brush;
108 ARGB color;
109 };
110
111 struct GpPathGradient{
112 GpBrush brush;
113 PathData pathdata;
114 ARGB centercolor;
115 GpWrapMode wrap;
116 BOOL gamma;
117 GpPointF center;
118 GpPointF focus;
119 REAL* blendfac; /* blend factors */
120 REAL* blendpos; /* blend positions */
121 INT blendcount;
122 };
123
124 struct GpLineGradient{
125 GpBrush brush;
126 GpPointF startpoint;
127 GpPointF endpoint;
128 ARGB startcolor;
129 ARGB endcolor;
130 GpWrapMode wrap;
131 BOOL gamma;
132 };
133
134 struct GpTexture{
135 GpBrush brush;
136 };
137
138 struct GpPath{
139 GpFillMode fill;
140 GpPathData pathdata;
141 BOOL newfigure; /* whether the next drawing action starts a new figure */
142 INT datalen; /* size of the arrays in pathdata */
143 };
144
145 struct GpMatrix{
146 REAL matrix[6];
147 };
148
149 struct GpPathIterator{
150 GpPathData pathdata;
151 INT subpath_pos; /* for NextSubpath methods */
152 INT marker_pos; /* for NextMarker methods */
153 INT pathtype_pos; /* for NextPathType methods */
154 };
155
156 struct GpCustomLineCap{
157 GpPathData pathdata;
158 BOOL fill; /* TRUE for fill, FALSE for stroke */
159 GpLineCap cap; /* as far as I can tell, this value is ignored */
160 REAL inset; /* how much to adjust the end of the line */
161 GpLineJoin join;
162 REAL scale;
163 };
164
165 struct GpImage{
166 IPicture* picture;
167 ImageType type;
168 UINT flags;
169 };
170
171 struct GpMetafile{
172 GpImage image;
173 GpRectF bounds;
174 GpUnit unit;
175 };
176
177 struct GpBitmap{
178 GpImage image;
179 INT width;
180 INT height;
181 PixelFormat format;
182 ImageLockMode lockmode;
183 INT numlocks;
184 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
185 };
186
187 struct GpImageAttributes{
188 WrapMode wrap;
189 };
190
191 struct GpFont{
192 LOGFONTW lfw;
193 REAL emSize;
194 Unit unit;
195 };
196
197 struct GpStringFormat{
198 INT attr;
199 LANGID lang;
200 LANGID digitlang;
201 StringAlignment align;
202 StringTrimming trimming;
203 HotkeyPrefix hkprefix;
204 StringAlignment vertalign;
205 StringDigitSubstitute digitsub;
206 INT tabcount;
207 REAL firsttab;
208 REAL *tabs;
209 };
210
211 struct GpFontCollection{
212 GpFontFamily* FontFamilies;
213 };
214
215 struct GpFontFamily{
216 NEWTEXTMETRICW tmw;
217 WCHAR FamilyName[LF_FACESIZE];
218 };
219
220 typedef struct region_element
221 {
222 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
223 union
224 {
225 GpRectF rect;
226 struct
227 {
228 GpPath* path;
229 struct
230 {
231 DWORD size;
232 DWORD magic;
233 DWORD count;
234 DWORD flags;
235 } pathheader;
236 } pathdata;
237 struct
238 {
239 struct region_element *left; /* the original region */
240 struct region_element *right; /* what *left was combined with */
241 } combine;
242 } elementdata;
243 } region_element;
244
245 struct GpRegion{
246 struct
247 {
248 DWORD size;
249 DWORD checksum;
250 DWORD magic;
251 DWORD num_children;
252 } header;
253 region_element node;
254 };
255
256 #endif
257
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