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 static inline INT roundr(REAL x)
57 return (INT) floorf(x + 0.5);
60 static inline REAL deg2rad(REAL degrees)
62 return M_PI * degrees / 180.0;
72 GpCustomLineCap *customstart;
73 GpCustomLineCap *customend;
79 REAL offset; /* dash offset */
87 SmoothingMode smoothing;
88 CompositingQuality compqual;
89 InterpolationMode interpolation;
90 PixelOffsetMode pixeloffset;
91 CompositingMode compmode;
92 TextRenderingHint texthint;
93 GpUnit unit; /* page unit */
94 REAL scale; /* page scale */
95 GpMatrix * worldtrans; /* world transform */
109 struct GpPathGradient{
117 REAL* blendfac; /* blend factors */
118 REAL* blendpos; /* blend positions */
122 struct GpLineGradient{
139 BOOL newfigure; /* whether the next drawing action starts a new figure */
140 INT datalen; /* size of the arrays in pathdata */
147 struct GpPathIterator{
149 INT subpath_pos; /* for NextSubpath methods */
150 INT marker_pos; /* for NextMarker methods */
151 INT pathtype_pos; /* for NextPathType methods */
154 struct GpCustomLineCap{
156 BOOL fill; /* TRUE for fill, FALSE for stroke */
157 GpLineCap cap; /* as far as I can tell, this value is ignored */
158 REAL inset; /* how much to adjust the end of the line */
180 ImageLockMode lockmode;
182 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
185 struct GpImageAttributes{
195 struct GpStringFormat{
199 StringAlignment align;
200 StringTrimming trimming;
201 HotkeyPrefix hkprefix;
202 StringAlignment vertalign;
203 StringDigitSubstitute digitsub;
209 struct GpFontCollection{
210 GpFontFamily* FontFamilies;
215 WCHAR FamilyName[LF_FACESIZE];
218 typedef struct region_element
220 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
237 struct region_element *left; /* the original region */
238 struct region_element *right; /* what *left was combined with */