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 "wincodecsdk.h"
33 #include "wine/list.h"
37 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
38 #define MAX_ARC_PTS (13)
39 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
40 #define INCH_HIMETRIC (2540)
42 #define VERSION_MAGIC 0xdbc01001
43 #define TENSION_CONST (0.3)
45 COLORREF
ARGB2COLORREF(ARGB color
) DECLSPEC_HIDDEN
;
46 HBITMAP
ARGB2BMP(ARGB color
) DECLSPEC_HIDDEN
;
47 extern INT
arc2polybezier(GpPointF
* points
, REAL x1
, REAL y1
, REAL x2
, REAL y2
,
48 REAL startAngle
, REAL sweepAngle
) DECLSPEC_HIDDEN
;
49 extern REAL
gdiplus_atan2(REAL dy
, REAL dx
) DECLSPEC_HIDDEN
;
50 extern GpStatus
hresult_to_status(HRESULT res
) DECLSPEC_HIDDEN
;
51 extern REAL
convert_unit(REAL logpixels
, GpUnit unit
) DECLSPEC_HIDDEN
;
53 extern GpStatus
graphics_from_image(GpImage
*image
, GpGraphics
**graphics
) DECLSPEC_HIDDEN
;
55 extern GpStatus
METAFILE_GetGraphicsContext(GpMetafile
* metafile
, GpGraphics
**result
) DECLSPEC_HIDDEN
;
56 extern GpStatus
METAFILE_GetDC(GpMetafile
* metafile
, HDC
*hdc
) DECLSPEC_HIDDEN
;
57 extern GpStatus
METAFILE_ReleaseDC(GpMetafile
* metafile
, HDC hdc
) DECLSPEC_HIDDEN
;
58 extern GpStatus
METAFILE_GraphicsDeleted(GpMetafile
* metafile
) DECLSPEC_HIDDEN
;
60 extern void calc_curve_bezier(CONST GpPointF
*pts
, REAL tension
, REAL
*x1
,
61 REAL
*y1
, REAL
*x2
, REAL
*y2
) DECLSPEC_HIDDEN
;
62 extern void calc_curve_bezier_endp(REAL xend
, REAL yend
, REAL xadj
, REAL yadj
,
63 REAL tension
, REAL
*x
, REAL
*y
) DECLSPEC_HIDDEN
;
65 extern void free_installed_fonts(void) DECLSPEC_HIDDEN
;
67 extern BOOL
lengthen_path(GpPath
*path
, INT len
) DECLSPEC_HIDDEN
;
69 extern GpStatus
trace_path(GpGraphics
*graphics
, GpPath
*path
) DECLSPEC_HIDDEN
;
71 typedef struct region_element region_element
;
72 extern void delete_element(region_element
*element
) DECLSPEC_HIDDEN
;
74 extern GpStatus
get_hatch_data(HatchStyle hatchstyle
, const char **result
) DECLSPEC_HIDDEN
;
76 static inline INT
roundr(REAL x
)
78 return (INT
) floorf(x
+ 0.5);
81 static inline INT
ceilr(REAL x
)
83 return (INT
) ceilf(x
);
86 static inline REAL
deg2rad(REAL degrees
)
88 return M_PI
* degrees
/ 180.0;
91 static inline ARGB
color_over(ARGB bg
, ARGB fg
)
94 BYTE bg_alpha
, fg_alpha
;
96 fg_alpha
= (fg
>>24)&0xff;
98 if (fg_alpha
== 0xff) return fg
;
100 if (fg_alpha
== 0) return bg
;
102 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
104 if (bg_alpha
== 0) return fg
;
106 a
= bg_alpha
+ fg_alpha
;
107 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*fg_alpha
)/a
;
108 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*fg_alpha
)/a
;
109 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*fg_alpha
)/a
;
111 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
114 extern const char *debugstr_rectf(CONST RectF
* rc
) DECLSPEC_HIDDEN
;
116 extern const char *debugstr_pointf(CONST PointF
* pt
) DECLSPEC_HIDDEN
;
118 extern void convert_32bppARGB_to_32bppPARGB(UINT width
, UINT height
,
119 BYTE
*dst_bits
, INT dst_stride
, const BYTE
*src_bits
, INT src_stride
) DECLSPEC_HIDDEN
;
121 extern GpStatus
convert_pixels(INT width
, INT height
,
122 INT dst_stride
, BYTE
*dst_bits
, PixelFormat dst_format
,
123 INT src_stride
, const BYTE
*src_bits
, PixelFormat src_format
, ARGB
*src_palette
) DECLSPEC_HIDDEN
;
132 GpCustomLineCap
*customstart
;
133 GpCustomLineCap
*customend
;
139 REAL offset
; /* dash offset */
141 GpPenAlignment align
;
149 SmoothingMode smoothing
;
150 CompositingQuality compqual
;
151 InterpolationMode interpolation
;
152 PixelOffsetMode pixeloffset
;
153 CompositingMode compmode
;
154 TextRenderingHint texthint
;
155 GpUnit unit
; /* page unit */
156 REAL scale
; /* page scale */
157 GpMatrix
* worldtrans
; /* world transform */
158 BOOL busy
; /* hdc handle obtained by GdipGetDC */
160 UINT textcontrast
; /* not used yet. get/set only */
161 struct list containers
;
162 GraphicsContainer contid
; /* last-issued container ID */
163 INT origin_x
, origin_y
;
164 /* For giving the caller an HDC when we technically can't: */
165 HBITMAP temp_hbitmap
;
166 int temp_hbitmap_width
;
167 int temp_hbitmap_height
;
178 HatchStyle hatchstyle
;
188 struct GpPathGradient
{
196 REAL
* blendfac
; /* blend factors */
197 REAL
* blendpos
; /* blend positions */
199 ARGB
*surroundcolors
;
200 INT surroundcolorcount
;
201 ARGB
* pblendcolor
; /* preset blend colors */
202 REAL
* pblendpos
; /* preset blend positions */
207 struct GpLineGradient
{
216 REAL
* blendfac
; /* blend factors */
217 REAL
* blendpos
; /* blend positions */
219 ARGB
* pblendcolor
; /* preset blend colors */
220 REAL
* pblendpos
; /* preset blend positions */
228 GpImageAttributes
*imageattributes
;
229 BYTE
*bitmap_bits
; /* image bits converted to ARGB and run through imageattributes */
235 BOOL newfigure
; /* whether the next drawing action starts a new figure */
236 INT datalen
; /* size of the arrays in pathdata */
243 struct GpPathIterator
{
245 INT subpath_pos
; /* for NextSubpath methods */
246 INT marker_pos
; /* for NextMarker methods */
247 INT pathtype_pos
; /* for NextPathType methods */
250 struct GpCustomLineCap
{
252 BOOL fill
; /* TRUE for fill, FALSE for stroke */
253 GpLineCap cap
; /* as far as I can tell, this value is ignored */
254 REAL inset
; /* how much to adjust the end of the line */
259 struct GpAdustableArrowCap
{
265 IStream
*stream
; /* source stream */
269 UINT frame_count
, current_frame
;
273 ARGB
*palette_entries
;
281 MetafileType metafile_type
;
286 GpGraphics
*record_graphics
;
288 DWORD comment_data_size
;
289 DWORD comment_data_length
;
292 GpGraphics
*playback_graphics
;
294 GpPointF playback_points
[3];
295 HANDLETABLE
*handle_table
;
304 ImageLockMode lockmode
;
306 BYTE
*bitmapbits
; /* pointer to the buffer we passed in BitmapLockBits */
309 BYTE
*bits
; /* actual image bits if this is a DIB */
310 INT stride
; /* stride of bits if this is a DIB */
311 BYTE
*own_bits
; /* image bits that need to be freed with this object */
312 INT lockx
, locky
; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
313 IWICMetadataReader
*metadata_reader
; /* NULL if there is no metadata */
316 struct GpCachedBitmap
{
328 ColorMatrixFlags flags
;
329 ColorMatrix colormatrix
;
330 ColorMatrix graymatrix
;
333 struct color_remap_table
{
339 struct GpImageAttributes
{
343 struct color_key colorkeys
[ColorAdjustTypeCount
];
344 struct color_matrix colormatrices
[ColorAdjustTypeCount
];
345 struct color_remap_table colorremaptables
[ColorAdjustTypeCount
];
346 BOOL gamma_enabled
[ColorAdjustTypeCount
];
347 REAL gamma
[ColorAdjustTypeCount
];
351 GpFontFamily
*family
;
352 OUTLINETEXTMETRICW otm
;
353 REAL emSize
; /* in font units */
357 struct GpStringFormat
{
361 StringAlignment align
;
362 StringTrimming trimming
;
363 HotkeyPrefix hkprefix
;
364 StringAlignment vertalign
;
365 StringDigitSubstitute digitsub
;
369 CharacterRange
*character_ranges
;
373 struct GpFontCollection
{
374 GpFontFamily
**FontFamilies
;
380 WCHAR FamilyName
[LF_FACESIZE
];
381 UINT16 em_height
, ascent
, descent
, line_spacing
; /* in font units */
386 typedef enum RegionType
388 RegionDataRect
= 0x10000000,
389 RegionDataPath
= 0x10000001,
390 RegionDataEmptyRect
= 0x10000002,
391 RegionDataInfiniteRect
= 0x10000003,
394 struct region_element
396 DWORD type
; /* Rectangle, Path, SpecialRectangle, or CombineMode */
413 struct region_element
*left
; /* the original region */
414 struct region_element
*right
; /* what *left was combined with */
430 typedef GpStatus (*gdip_format_string_callback
)(HDC hdc
,
431 GDIPCONST WCHAR
*string
, INT index
, INT length
, GDIPCONST GpFont
*font
,
432 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
433 INT lineno
, const RectF
*bounds
, INT
*underlined_indexes
,
434 INT underlined_index_count
, void *user_data
);
436 GpStatus
gdip_format_string(HDC hdc
,
437 GDIPCONST WCHAR
*string
, INT length
, GDIPCONST GpFont
*font
,
438 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
439 gdip_format_string_callback callback
, void *user_data
) DECLSPEC_HIDDEN
;
441 void get_log_fontW(const GpFont
*, GpGraphics
*, LOGFONTW
*) DECLSPEC_HIDDEN
;