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 HBITMAP ARGB2BMP(ARGB color);
45 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
46 REAL startAngle, REAL sweepAngle);
47 extern REAL gdiplus_atan2(REAL dy, REAL dx);
48 extern GpStatus hresult_to_status(HRESULT res);
49 extern REAL convert_unit(HDC hdc, GpUnit unit);
51 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
52 REAL *y1, REAL *x2, REAL *y2);
53 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
54 REAL tension, REAL *x, REAL *y);
56 extern void free_installed_fonts(void);
58 extern BOOL lengthen_path(GpPath *path, INT len);
60 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
62 typedef struct region_element region_element;
63 extern inline void delete_element(region_element *element);
65 static inline INT roundr(REAL x)
67 return (INT) floorf(x + 0.5);
70 static inline REAL deg2rad(REAL degrees)
72 return M_PI * degrees / 180.0;
75 extern const char *debugstr_rectf(CONST RectF* rc);
84 GpCustomLineCap *customstart;
85 GpCustomLineCap *customend;
91 REAL offset; /* dash offset */
100 SmoothingMode smoothing;
101 CompositingQuality compqual;
102 InterpolationMode interpolation;
103 PixelOffsetMode pixeloffset;
104 CompositingMode compmode;
105 TextRenderingHint texthint;
106 GpUnit unit; /* page unit */
107 REAL scale; /* page scale */
108 GpMatrix * worldtrans; /* world transform */
109 BOOL busy; /* hdc handle obtained by GdipGetDC */
111 UINT textcontrast; /* not used yet. get/set only */
122 HatchStyle hatchstyle;
133 struct GpPathGradient{
141 REAL* blendfac; /* blend factors */
142 REAL* blendpos; /* blend positions */
146 struct GpLineGradient{
155 REAL* blendfac; /* blend factors */
156 REAL* blendpos; /* blend positions */
163 WrapMode wrap; /* not used yet */
169 BOOL newfigure; /* whether the next drawing action starts a new figure */
170 INT datalen; /* size of the arrays in pathdata */
177 struct GpPathIterator{
179 INT subpath_pos; /* for NextSubpath methods */
180 INT marker_pos; /* for NextMarker methods */
181 INT pathtype_pos; /* for NextPathType methods */
184 struct GpCustomLineCap{
186 BOOL fill; /* TRUE for fill, FALSE for stroke */
187 GpLineCap cap; /* as far as I can tell, this value is ignored */
188 REAL inset; /* how much to adjust the end of the line */
193 struct GpAdustableArrowCap{
214 ImageLockMode lockmode;
216 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
219 struct GpCachedBitmap{
223 struct GpImageAttributes{
235 struct GpStringFormat{
239 StringAlignment align;
240 StringTrimming trimming;
241 HotkeyPrefix hkprefix;
242 StringAlignment vertalign;
243 StringDigitSubstitute digitsub;
249 struct GpFontCollection{
250 GpFontFamily **FontFamilies;
257 WCHAR FamilyName[LF_FACESIZE];
261 typedef enum RegionType
263 RegionDataRect = 0x10000000,
264 RegionDataPath = 0x10000001,
265 RegionDataEmptyRect = 0x10000002,
266 RegionDataInfiniteRect = 0x10000003,
269 struct region_element
271 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
288 struct region_element *left; /* the original region */
289 struct region_element *right; /* what *left was combined with */