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 typedef struct region_element region_element
;
58 extern inline void delete_element(region_element
*element
);
60 static inline INT
roundr(REAL x
)
62 return (INT
) floorf(x
+ 0.5);
65 static inline REAL
deg2rad(REAL degrees
)
67 return M_PI
* degrees
/ 180.0;
77 GpCustomLineCap
*customstart
;
78 GpCustomLineCap
*customend
;
84 REAL offset
; /* dash offset */
92 SmoothingMode smoothing
;
93 CompositingQuality compqual
;
94 InterpolationMode interpolation
;
95 PixelOffsetMode pixeloffset
;
96 CompositingMode compmode
;
97 TextRenderingHint texthint
;
98 GpUnit unit
; /* page unit */
99 REAL scale
; /* page scale */
100 GpMatrix
* worldtrans
; /* world transform */
101 BOOL busy
; /* hdc handle obtained by GdipGetDC */
116 struct GpPathGradient
{
124 REAL
* blendfac
; /* blend factors */
125 REAL
* blendpos
; /* blend positions */
129 struct GpLineGradient
{
146 BOOL newfigure
; /* whether the next drawing action starts a new figure */
147 INT datalen
; /* size of the arrays in pathdata */
154 struct GpPathIterator
{
156 INT subpath_pos
; /* for NextSubpath methods */
157 INT marker_pos
; /* for NextMarker methods */
158 INT pathtype_pos
; /* for NextPathType methods */
161 struct GpCustomLineCap
{
163 BOOL fill
; /* TRUE for fill, FALSE for stroke */
164 GpLineCap cap
; /* as far as I can tell, this value is ignored */
165 REAL inset
; /* how much to adjust the end of the line */
170 struct GpAdustableArrowCap
{
191 ImageLockMode lockmode
;
193 BYTE
*bitmapbits
; /* pointer to the buffer we passed in BitmapLockBits */
196 struct GpImageAttributes
{
206 struct GpStringFormat
{
210 StringAlignment align
;
211 StringTrimming trimming
;
212 HotkeyPrefix hkprefix
;
213 StringAlignment vertalign
;
214 StringDigitSubstitute digitsub
;
220 struct GpFontCollection
{
221 GpFontFamily
* FontFamilies
;
226 WCHAR FamilyName
[LF_FACESIZE
];
230 typedef enum RegionType
232 RegionDataRect
= 0x10000000,
233 RegionDataPath
= 0x10000001,
234 RegionDataEmptyRect
= 0x10000002,
235 RegionDataInfiniteRect
= 0x10000003,
238 struct region_element
240 DWORD type
; /* Rectangle, Path, SpecialRectangle, or CombineMode */
257 struct region_element
*left
; /* the original region */
258 struct region_element
*right
; /* what *left was combined with */