2 * Copyright (C) 2007 Google (Evan Stade)
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.
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.
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
19 #ifndef __WINE_GP_PRIVATE_H_
20 #define __WINE_GP_PRIVATE_H_
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)
40 #define VERSION_MAGIC 0xdbc01001
41 #define TENSION_CONST (0.3)
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);
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);
55 extern BOOL lengthen_path(GpPath *path, INT len);
57 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
59 typedef struct region_element region_element;
60 extern inline void delete_element(region_element *element);
62 static inline INT roundr(REAL x)
64 return (INT) floorf(x + 0.5);
67 static inline REAL deg2rad(REAL degrees)
69 return M_PI * degrees / 180.0;
79 GpCustomLineCap *customstart;
80 GpCustomLineCap *customend;
86 REAL offset; /* dash offset */
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 */
106 UINT textcontrast; /* not used yet. get/set only */
117 HatchStyle hatchstyle;
127 struct GpPathGradient{
135 REAL* blendfac; /* blend factors */
136 REAL* blendpos; /* blend positions */
140 struct GpLineGradient{
148 REAL* blendfac; /* blend factors */
149 REAL* blendpos; /* blend positions */
156 WrapMode wrap; /* not used yet */
162 BOOL newfigure; /* whether the next drawing action starts a new figure */
163 INT datalen; /* size of the arrays in pathdata */
170 struct GpPathIterator{
172 INT subpath_pos; /* for NextSubpath methods */
173 INT marker_pos; /* for NextMarker methods */
174 INT pathtype_pos; /* for NextPathType methods */
177 struct GpCustomLineCap{
179 BOOL fill; /* TRUE for fill, FALSE for stroke */
180 GpLineCap cap; /* as far as I can tell, this value is ignored */
181 REAL inset; /* how much to adjust the end of the line */
186 struct GpAdustableArrowCap{
207 ImageLockMode lockmode;
209 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
212 struct GpCachedBitmap{
216 struct GpImageAttributes{
228 struct GpStringFormat{
232 StringAlignment align;
233 StringTrimming trimming;
234 HotkeyPrefix hkprefix;
235 StringAlignment vertalign;
236 StringDigitSubstitute digitsub;
242 struct GpFontCollection{
243 GpFontFamily **FontFamilies;
249 WCHAR FamilyName[LF_FACESIZE];
253 typedef enum RegionType
255 RegionDataRect = 0x10000000,
256 RegionDataPath = 0x10000001,
257 RegionDataEmptyRect = 0x10000002,
258 RegionDataInfiniteRect = 0x10000003,
261 struct region_element
263 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
280 struct region_element *left; /* the original region */
281 struct region_element *right; /* what *left was combined with */