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_
32 #include "wine/list.h"
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)
41 #define VERSION_MAGIC 0xdbc01001
42 #define TENSION_CONST (0.3)
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(REAL logpixels
, GpUnit unit
);
52 extern GpStatus
graphics_from_image(GpImage
*image
, GpGraphics
**graphics
);
54 extern void calc_curve_bezier(CONST GpPointF
*pts
, REAL tension
, REAL
*x1
,
55 REAL
*y1
, REAL
*x2
, REAL
*y2
);
56 extern void calc_curve_bezier_endp(REAL xend
, REAL yend
, REAL xadj
, REAL yadj
,
57 REAL tension
, REAL
*x
, REAL
*y
);
59 extern void free_installed_fonts(void);
61 extern BOOL
lengthen_path(GpPath
*path
, INT len
);
63 extern GpStatus
trace_path(GpGraphics
*graphics
, GpPath
*path
);
65 typedef struct region_element region_element
;
66 extern void delete_element(region_element
*element
);
68 extern GpStatus
get_hatch_data(HatchStyle hatchstyle
, const char **result
);
70 static inline INT
roundr(REAL x
)
72 return (INT
) floorf(x
+ 0.5);
75 static inline INT
ceilr(REAL x
)
77 return (INT
) ceilf(x
);
80 static inline REAL
deg2rad(REAL degrees
)
82 return M_PI
* degrees
/ 180.0;
85 static inline ARGB
color_over(ARGB bg
, ARGB fg
)
88 BYTE bg_alpha
, fg_alpha
;
90 fg_alpha
= (fg
>>24)&0xff;
92 if (fg_alpha
== 0xff) return fg
;
94 if (fg_alpha
== 0) return bg
;
96 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
98 if (bg_alpha
== 0) return fg
;
100 a
= bg_alpha
+ fg_alpha
;
101 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*fg_alpha
)/a
;
102 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*fg_alpha
)/a
;
103 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*fg_alpha
)/a
;
105 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
108 extern const char *debugstr_rectf(CONST RectF
* rc
);
110 extern const char *debugstr_pointf(CONST PointF
* pt
);
112 extern void convert_32bppARGB_to_32bppPARGB(UINT width
, UINT height
,
113 BYTE
*dst_bits
, INT dst_stride
, const BYTE
*src_bits
, INT src_stride
);
115 extern GpStatus
convert_pixels(UINT width
, UINT height
,
116 INT dst_stride
, BYTE
*dst_bits
, PixelFormat dst_format
,
117 INT src_stride
, const BYTE
*src_bits
, PixelFormat src_format
, ARGB
*src_palette
);
126 GpCustomLineCap
*customstart
;
127 GpCustomLineCap
*customend
;
133 REAL offset
; /* dash offset */
135 GpPenAlignment align
;
143 SmoothingMode smoothing
;
144 CompositingQuality compqual
;
145 InterpolationMode interpolation
;
146 PixelOffsetMode pixeloffset
;
147 CompositingMode compmode
;
148 TextRenderingHint texthint
;
149 GpUnit unit
; /* page unit */
150 REAL scale
; /* page scale */
151 GpMatrix
* worldtrans
; /* world transform */
152 BOOL busy
; /* hdc handle obtained by GdipGetDC */
154 UINT textcontrast
; /* not used yet. get/set only */
155 struct list containers
;
156 GraphicsContainer contid
; /* last-issued container ID */
157 /* For giving the caller an HDC when we technically can't: */
158 HBITMAP temp_hbitmap
;
159 int temp_hbitmap_width
;
160 int temp_hbitmap_height
;
173 HatchStyle hatchstyle
;
184 struct GpPathGradient
{
192 REAL
* blendfac
; /* blend factors */
193 REAL
* blendpos
; /* blend positions */
197 struct GpLineGradient
{
206 REAL
* blendfac
; /* blend factors */
207 REAL
* blendpos
; /* blend positions */
209 ARGB
* pblendcolor
; /* preset blend colors */
210 REAL
* pblendpos
; /* preset blend positions */
218 GpImageAttributes
*imageattributes
;
224 BOOL newfigure
; /* whether the next drawing action starts a new figure */
225 INT datalen
; /* size of the arrays in pathdata */
232 struct GpPathIterator
{
234 INT subpath_pos
; /* for NextSubpath methods */
235 INT marker_pos
; /* for NextMarker methods */
236 INT pathtype_pos
; /* for NextPathType methods */
239 struct GpCustomLineCap
{
241 BOOL fill
; /* TRUE for fill, FALSE for stroke */
242 GpLineCap cap
; /* as far as I can tell, this value is ignored */
243 REAL inset
; /* how much to adjust the end of the line */
248 struct GpAdustableArrowCap
{
260 ARGB
*palette_entries
;
275 ImageLockMode lockmode
;
277 BYTE
*bitmapbits
; /* pointer to the buffer we passed in BitmapLockBits */
280 BYTE
*bits
; /* actual image bits if this is a DIB */
281 INT stride
; /* stride of bits if this is a DIB */
282 BYTE
*own_bits
; /* image bits that need to be freed with this object */
283 INT lockx
, locky
; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
286 struct GpCachedBitmap
{
298 ColorMatrixFlags flags
;
299 ColorMatrix colormatrix
;
300 ColorMatrix graymatrix
;
303 struct color_remap_table
{
306 GDIPCONST ColorMap
*colormap
;
309 struct GpImageAttributes
{
313 struct color_key colorkeys
[ColorAdjustTypeCount
];
314 struct color_matrix colormatrices
[ColorAdjustTypeCount
];
315 struct color_remap_table colorremaptables
[ColorAdjustTypeCount
];
316 BOOL gamma_enabled
[ColorAdjustTypeCount
];
317 REAL gamma
[ColorAdjustTypeCount
];
328 struct GpStringFormat
{
332 StringAlignment align
;
333 StringTrimming trimming
;
334 HotkeyPrefix hkprefix
;
335 StringAlignment vertalign
;
336 StringDigitSubstitute digitsub
;
340 CharacterRange
*character_ranges
;
344 struct GpFontCollection
{
345 GpFontFamily
**FontFamilies
;
352 WCHAR FamilyName
[LF_FACESIZE
];
356 typedef enum RegionType
358 RegionDataRect
= 0x10000000,
359 RegionDataPath
= 0x10000001,
360 RegionDataEmptyRect
= 0x10000002,
361 RegionDataInfiniteRect
= 0x10000003,
364 struct region_element
366 DWORD type
; /* Rectangle, Path, SpecialRectangle, or CombineMode */
383 struct region_element
*left
; /* the original region */
384 struct region_element
*right
; /* what *left was combined with */
400 typedef GpStatus (*gdip_format_string_callback
)(HDC hdc
,
401 GDIPCONST WCHAR
*string
, INT index
, INT length
, GDIPCONST GpFont
*font
,
402 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
403 INT lineno
, const RectF
*bounds
, void *user_data
);
405 GpStatus
gdip_format_string(HDC hdc
,
406 GDIPCONST WCHAR
*string
, INT length
, GDIPCONST GpFont
*font
,
407 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
408 gdip_format_string_callback callback
, void *user_data
);