- Sync gdiplus with Wine 1.1.29
[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 #include "wine/list.h"
33
34 #include "gdiplus.h"
35
36 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
37 #define MAX_ARC_PTS (13)
38 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
39 #define INCH_HIMETRIC (2540)
40
41 #define VERSION_MAGIC 0xdbc01001
42 #define TENSION_CONST (0.3)
43
44 COLORREF ARGB2COLORREF(ARGB color);
45 HBITMAP ARGB2BMP(ARGB color);
46 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
47 REAL startAngle, REAL sweepAngle);
48 extern REAL gdiplus_atan2(REAL dy, REAL dx);
49 extern GpStatus hresult_to_status(HRESULT res);
50 extern REAL convert_unit(HDC hdc, GpUnit unit);
51
52 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
53 REAL *y1, REAL *x2, REAL *y2);
54 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
55 REAL tension, REAL *x, REAL *y);
56
57 extern void free_installed_fonts(void);
58
59 extern BOOL lengthen_path(GpPath *path, INT len);
60
61 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
62
63 typedef struct region_element region_element;
64 extern inline void delete_element(region_element *element);
65
66 static inline INT roundr(REAL x)
67 {
68 return (INT) floorf(x + 0.5);
69 }
70
71 static inline INT ceilr(REAL x)
72 {
73 return (INT) ceilf(x);
74 }
75
76 static inline REAL deg2rad(REAL degrees)
77 {
78 return M_PI * degrees / 180.0;
79 }
80
81 extern const char *debugstr_rectf(CONST RectF* rc);
82
83 extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
84 BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride);
85
86 struct GpPen{
87 UINT style;
88 GpUnit unit;
89 REAL width;
90 GpLineCap endcap;
91 GpLineCap startcap;
92 GpDashCap dashcap;
93 GpCustomLineCap *customstart;
94 GpCustomLineCap *customend;
95 GpLineJoin join;
96 REAL miterlimit;
97 GpDashStyle dash;
98 REAL *dashes;
99 INT numdashes;
100 REAL offset; /* dash offset */
101 GpBrush *brush;
102 GpPenAlignment align;
103 };
104
105 struct GpGraphics{
106 HDC hdc;
107 HWND hwnd;
108 BOOL owndc;
109 SmoothingMode smoothing;
110 CompositingQuality compqual;
111 InterpolationMode interpolation;
112 PixelOffsetMode pixeloffset;
113 CompositingMode compmode;
114 TextRenderingHint texthint;
115 GpUnit unit; /* page unit */
116 REAL scale; /* page scale */
117 GpMatrix * worldtrans; /* world transform */
118 BOOL busy; /* hdc handle obtained by GdipGetDC */
119 GpRegion *clip;
120 UINT textcontrast; /* not used yet. get/set only */
121 struct list containers;
122 GraphicsContainer contid; /* last-issued container ID */
123 };
124
125 struct GpBrush{
126 HBRUSH gdibrush;
127 GpBrushType bt;
128 LOGBRUSH lb;
129 };
130
131 struct GpHatch{
132 GpBrush brush;
133 HatchStyle hatchstyle;
134 ARGB forecol;
135 ARGB backcol;
136 };
137
138 struct GpSolidFill{
139 GpBrush brush;
140 ARGB color;
141 HBITMAP bmp;
142 };
143
144 struct GpPathGradient{
145 GpBrush brush;
146 PathData pathdata;
147 ARGB centercolor;
148 GpWrapMode wrap;
149 BOOL gamma;
150 GpPointF center;
151 GpPointF focus;
152 REAL* blendfac; /* blend factors */
153 REAL* blendpos; /* blend positions */
154 INT blendcount;
155 };
156
157 struct GpLineGradient{
158 GpBrush brush;
159 GpPointF startpoint;
160 GpPointF endpoint;
161 ARGB startcolor;
162 ARGB endcolor;
163 RectF rect;
164 GpWrapMode wrap;
165 BOOL gamma;
166 REAL* blendfac; /* blend factors */
167 REAL* blendpos; /* blend positions */
168 INT blendcount;
169 };
170
171 struct GpTexture{
172 GpBrush brush;
173 GpMatrix *transform;
174 WrapMode wrap; /* not used yet */
175 };
176
177 struct GpPath{
178 GpFillMode fill;
179 GpPathData pathdata;
180 BOOL newfigure; /* whether the next drawing action starts a new figure */
181 INT datalen; /* size of the arrays in pathdata */
182 };
183
184 struct GpMatrix{
185 REAL matrix[6];
186 };
187
188 struct GpPathIterator{
189 GpPathData pathdata;
190 INT subpath_pos; /* for NextSubpath methods */
191 INT marker_pos; /* for NextMarker methods */
192 INT pathtype_pos; /* for NextPathType methods */
193 };
194
195 struct GpCustomLineCap{
196 GpPathData pathdata;
197 BOOL fill; /* TRUE for fill, FALSE for stroke */
198 GpLineCap cap; /* as far as I can tell, this value is ignored */
199 REAL inset; /* how much to adjust the end of the line */
200 GpLineJoin join;
201 REAL scale;
202 };
203
204 struct GpAdustableArrowCap{
205 GpCustomLineCap cap;
206 };
207
208 struct GpImage{
209 IPicture* picture;
210 ImageType type;
211 UINT flags;
212 };
213
214 struct GpMetafile{
215 GpImage image;
216 GpRectF bounds;
217 GpUnit unit;
218 };
219
220 struct GpBitmap{
221 GpImage image;
222 INT width;
223 INT height;
224 PixelFormat format;
225 ImageLockMode lockmode;
226 INT numlocks;
227 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
228 HBITMAP hbitmap;
229 HDC hdc;
230 BYTE *bits; /* actual image bits if this is a DIB */
231 INT stride; /* stride of bits if this is a DIB */
232 };
233
234 struct GpCachedBitmap{
235 GpImage *image;
236 };
237
238 struct color_key{
239 BOOL enabled;
240 ARGB low;
241 ARGB high;
242 };
243
244 struct GpImageAttributes{
245 WrapMode wrap;
246 struct color_key colorkeys[ColorAdjustTypeCount];
247 };
248
249 struct GpFont{
250 LOGFONTW lfw;
251 REAL emSize;
252 UINT height;
253 LONG line_spacing;
254 Unit unit;
255 };
256
257 struct GpStringFormat{
258 INT attr;
259 LANGID lang;
260 LANGID digitlang;
261 StringAlignment align;
262 StringTrimming trimming;
263 HotkeyPrefix hkprefix;
264 StringAlignment vertalign;
265 StringDigitSubstitute digitsub;
266 INT tabcount;
267 REAL firsttab;
268 REAL *tabs;
269 };
270
271 struct GpFontCollection{
272 GpFontFamily **FontFamilies;
273 INT count;
274 INT allocated;
275 };
276
277 struct GpFontFamily{
278 NEWTEXTMETRICW tmw;
279 WCHAR FamilyName[LF_FACESIZE];
280 };
281
282 /* internal use */
283 typedef enum RegionType
284 {
285 RegionDataRect = 0x10000000,
286 RegionDataPath = 0x10000001,
287 RegionDataEmptyRect = 0x10000002,
288 RegionDataInfiniteRect = 0x10000003,
289 } RegionType;
290
291 struct region_element
292 {
293 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
294 union
295 {
296 GpRectF rect;
297 struct
298 {
299 GpPath* path;
300 struct
301 {
302 DWORD size;
303 DWORD magic;
304 DWORD count;
305 DWORD flags;
306 } pathheader;
307 } pathdata;
308 struct
309 {
310 struct region_element *left; /* the original region */
311 struct region_element *right; /* what *left was combined with */
312 } combine;
313 } elementdata;
314 };
315
316 struct GpRegion{
317 struct
318 {
319 DWORD size;
320 DWORD checksum;
321 DWORD magic;
322 DWORD num_children;
323 } header;
324 region_element node;
325 };
326
327 #endif