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 COLORREF ARGB2COLORREF(ARGB color);
41 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
42 REAL startAngle, REAL sweepAngle);
43 extern REAL gdiplus_atan2(REAL dy, REAL dx);
44 extern GpStatus hresult_to_status(HRESULT res);
45 extern REAL convert_unit(HDC hdc, GpUnit unit);
46
47 static inline INT roundr(REAL x)
48 {
49 return (INT) floorf(x + 0.5);
50 }
51
52 static inline REAL deg2rad(REAL degrees)
53 {
54 return M_PI * degrees / 180.0;
55 }
56
57 struct GpPen{
58 UINT style;
59 GpUnit unit;
60 REAL width;
61 GpLineCap endcap;
62 GpLineCap startcap;
63 GpDashCap dashcap;
64 GpCustomLineCap *customstart;
65 GpCustomLineCap *customend;
66 GpLineJoin join;
67 REAL miterlimit;
68 GpDashStyle dash;
69 REAL *dashes;
70 INT numdashes;
71 REAL offset; /* dash offset */
72 GpBrush *brush;
73 };
74
75 struct GpGraphics{
76 HDC hdc;
77 HWND hwnd;
78 SmoothingMode smoothing;
79 CompositingQuality compqual;
80 InterpolationMode interpolation;
81 PixelOffsetMode pixeloffset;
82 CompositingMode compmode;
83 TextRenderingHint texthint;
84 GpUnit unit; /* page unit */
85 REAL scale; /* page scale */
86 GpMatrix * worldtrans; /* world transform */
87 };
88
89 struct GpBrush{
90 HBRUSH gdibrush;
91 GpBrushType bt;
92 LOGBRUSH lb;
93 };
94
95 struct GpSolidFill{
96 GpBrush brush;
97 ARGB color;
98 };
99
100 struct GpPathGradient{
101 GpBrush brush;
102 PathData pathdata;
103 ARGB centercolor;
104 GpWrapMode wrap;
105 BOOL gamma;
106 GpPointF center;
107 GpPointF focus;
108 };
109
110 struct GpLineGradient{
111 GpBrush brush;
112 GpPointF startpoint;
113 GpPointF endpoint;
114 ARGB startcolor;
115 ARGB endcolor;
116 GpWrapMode wrap;
117 BOOL gamma;
118 };
119
120 struct GpTexture{
121 GpBrush brush;
122 };
123
124 struct GpPath{
125 GpFillMode fill;
126 GpPathData pathdata;
127 BOOL newfigure; /* whether the next drawing action starts a new figure */
128 INT datalen; /* size of the arrays in pathdata */
129 };
130
131 struct GpMatrix{
132 REAL matrix[6];
133 };
134
135 struct GpPathIterator{
136 GpPathData pathdata;
137 INT subpath_pos; /* for NextSubpath methods */
138 INT marker_pos; /* for NextMarker methods */
139 INT pathtype_pos; /* for NextPathType methods */
140 };
141
142 struct GpCustomLineCap{
143 GpPathData pathdata;
144 BOOL fill; /* TRUE for fill, FALSE for stroke */
145 GpLineCap cap; /* as far as I can tell, this value is ignored */
146 REAL inset; /* how much to adjust the end of the line */
147 };
148
149 struct GpImage{
150 IPicture* picture;
151 ImageType type;
152 };
153
154 struct GpMetafile{
155 GpImage image;
156 GpRectF bounds;
157 GpUnit unit;
158 };
159
160 struct GpBitmap{
161 GpImage image;
162 INT width;
163 INT height;
164 PixelFormat format;
165 ImageLockMode lockmode;
166 INT numlocks;
167 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
168 };
169
170 struct GpImageAttributes{
171 WrapMode wrap;
172 };
173
174 struct GpFont{
175 LOGFONTW lfw;
176 };
177
178 struct GpStringFormat{
179 INT attr;
180 LANGID lang;
181 StringAlignment align;
182 StringTrimming trimming;
183 HotkeyPrefix hkprefix;
184 StringAlignment vertalign;
185 };
186
187 #endif
188
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