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
units_to_pixels(REAL units
, GpUnit unit
, REAL dpi
) DECLSPEC_HIDDEN
;
52 extern REAL
pixels_to_units(REAL pixels
, GpUnit unit
, REAL dpi
) DECLSPEC_HIDDEN
;
53 extern REAL
units_scale(GpUnit from
, GpUnit to
, REAL dpi
) DECLSPEC_HIDDEN
;
55 extern GpStatus
graphics_from_image(GpImage
*image
, GpGraphics
**graphics
) DECLSPEC_HIDDEN
;
57 extern GpStatus
METAFILE_GetGraphicsContext(GpMetafile
* metafile
, GpGraphics
**result
) DECLSPEC_HIDDEN
;
58 extern GpStatus
METAFILE_GetDC(GpMetafile
* metafile
, HDC
*hdc
) DECLSPEC_HIDDEN
;
59 extern GpStatus
METAFILE_ReleaseDC(GpMetafile
* metafile
, HDC hdc
) DECLSPEC_HIDDEN
;
60 extern GpStatus
METAFILE_FillRectangles(GpMetafile
* metafile
, GpBrush
* brush
,
61 GDIPCONST GpRectF
* rects
, INT count
) DECLSPEC_HIDDEN
;
62 extern GpStatus
METAFILE_SetPageTransform(GpMetafile
* metafile
, GpUnit unit
, REAL scale
) DECLSPEC_HIDDEN
;
63 extern GpStatus
METAFILE_GraphicsDeleted(GpMetafile
* metafile
) DECLSPEC_HIDDEN
;
65 extern void calc_curve_bezier(const GpPointF
*pts
, REAL tension
, REAL
*x1
,
66 REAL
*y1
, REAL
*x2
, REAL
*y2
) DECLSPEC_HIDDEN
;
67 extern void calc_curve_bezier_endp(REAL xend
, REAL yend
, REAL xadj
, REAL yadj
,
68 REAL tension
, REAL
*x
, REAL
*y
) DECLSPEC_HIDDEN
;
70 extern void free_installed_fonts(void) DECLSPEC_HIDDEN
;
72 extern BOOL
lengthen_path(GpPath
*path
, INT len
) DECLSPEC_HIDDEN
;
74 extern GpStatus
trace_path(GpGraphics
*graphics
, GpPath
*path
) DECLSPEC_HIDDEN
;
76 typedef struct region_element region_element
;
77 extern void delete_element(region_element
*element
) DECLSPEC_HIDDEN
;
79 extern GpStatus
get_hatch_data(HatchStyle hatchstyle
, const char **result
) DECLSPEC_HIDDEN
;
81 static inline INT
gdip_round(REAL x
)
83 return (INT
) floorf(x
+ 0.5);
86 static inline INT
ceilr(REAL x
)
88 return (INT
) ceilf(x
);
91 static inline REAL
deg2rad(REAL degrees
)
93 return M_PI
* degrees
/ 180.0;
96 static inline ARGB
color_over(ARGB bg
, ARGB fg
)
99 BYTE bg_alpha
, fg_alpha
;
101 fg_alpha
= (fg
>>24)&0xff;
103 if (fg_alpha
== 0xff) return fg
;
105 if (fg_alpha
== 0) return bg
;
107 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
109 if (bg_alpha
== 0) return fg
;
111 a
= bg_alpha
+ fg_alpha
;
112 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*fg_alpha
)/a
;
113 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*fg_alpha
)/a
;
114 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*fg_alpha
)/a
;
116 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
119 extern const char *debugstr_rectf(const RectF
* rc
) DECLSPEC_HIDDEN
;
121 extern const char *debugstr_pointf(const PointF
* pt
) DECLSPEC_HIDDEN
;
123 extern void convert_32bppARGB_to_32bppPARGB(UINT width
, UINT height
,
124 BYTE
*dst_bits
, INT dst_stride
, const BYTE
*src_bits
, INT src_stride
) DECLSPEC_HIDDEN
;
126 extern GpStatus
convert_pixels(INT width
, INT height
,
127 INT dst_stride
, BYTE
*dst_bits
, PixelFormat dst_format
,
128 INT src_stride
, const BYTE
*src_bits
, PixelFormat src_format
, ColorPalette
*palette
) DECLSPEC_HIDDEN
;
141 GpCustomLineCap
*customstart
;
142 GpCustomLineCap
*customend
;
148 REAL offset
; /* dash offset */
150 GpPenAlignment align
;
159 ImageType image_type
;
160 SmoothingMode smoothing
;
161 CompositingQuality compqual
;
162 InterpolationMode interpolation
;
163 PixelOffsetMode pixeloffset
;
164 CompositingMode compmode
;
165 TextRenderingHint texthint
;
166 GpUnit unit
; /* page unit */
167 REAL scale
; /* page scale */
169 GpMatrix worldtrans
; /* world transform */
170 BOOL busy
; /* hdc handle obtained by GdipGetDC */
171 GpRegion
*clip
; /* in device coords */
172 UINT textcontrast
; /* not used yet. get/set only */
173 struct list containers
;
174 GraphicsContainer contid
; /* last-issued container ID */
175 INT origin_x
, origin_y
;
176 /* For giving the caller an HDC when we technically can't: */
177 HBITMAP temp_hbitmap
;
178 int temp_hbitmap_width
;
179 int temp_hbitmap_height
;
190 HatchStyle hatchstyle
;
200 struct GpPathGradient
{
208 REAL
* blendfac
; /* blend factors */
209 REAL
* blendpos
; /* blend positions */
211 ARGB
*surroundcolors
;
212 INT surroundcolorcount
;
213 ARGB
* pblendcolor
; /* preset blend colors */
214 REAL
* pblendpos
; /* preset blend positions */
219 struct GpLineGradient
{
228 REAL
* blendfac
; /* blend factors */
229 REAL
* blendpos
; /* blend positions */
231 ARGB
* pblendcolor
; /* preset blend colors */
232 REAL
* pblendpos
; /* preset blend positions */
240 GpImageAttributes
*imageattributes
;
241 BYTE
*bitmap_bits
; /* image bits converted to ARGB and run through imageattributes */
247 BOOL newfigure
; /* whether the next drawing action starts a new figure */
248 INT datalen
; /* size of the arrays in pathdata */
251 struct GpPathIterator
{
253 INT subpath_pos
; /* for NextSubpath methods */
254 INT marker_pos
; /* for NextMarker methods */
255 INT pathtype_pos
; /* for NextPathType methods */
258 struct GpCustomLineCap
{
260 BOOL fill
; /* TRUE for fill, FALSE for stroke */
261 GpLineCap cap
; /* as far as I can tell, this value is ignored */
262 REAL inset
; /* how much to adjust the end of the line */
267 struct GpAdustableArrowCap
{
273 IStream
*stream
; /* source stream */
277 UINT frame_count
, current_frame
;
278 ColorPalette
*palette
;
286 MetafileType metafile_type
;
288 int preserve_hemf
; /* if true, hemf belongs to the app and should not be deleted */
292 GpGraphics
*record_graphics
;
294 DWORD comment_data_size
;
295 DWORD comment_data_length
;
298 GpGraphics
*playback_graphics
;
300 GpPointF playback_points
[3];
302 HANDLETABLE
*handle_table
;
304 GpMatrix
*world_transform
;
314 ImageLockMode lockmode
;
316 BYTE
*bitmapbits
; /* pointer to the buffer we passed in BitmapLockBits */
319 BYTE
*bits
; /* actual image bits if this is a DIB */
320 INT stride
; /* stride of bits if this is a DIB */
321 BYTE
*own_bits
; /* image bits that need to be freed with this object */
322 INT lockx
, locky
; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
323 IWICMetadataReader
*metadata_reader
; /* NULL if there is no metadata */
325 PropertyItem
*prop_item
; /* cached image properties */
328 struct GpCachedBitmap
{
340 ColorMatrixFlags flags
;
341 ColorMatrix colormatrix
;
342 ColorMatrix graymatrix
;
345 struct color_remap_table
{
351 struct GpImageAttributes
{
355 struct color_key colorkeys
[ColorAdjustTypeCount
];
356 struct color_matrix colormatrices
[ColorAdjustTypeCount
];
357 struct color_remap_table colorremaptables
[ColorAdjustTypeCount
];
358 BOOL gamma_enabled
[ColorAdjustTypeCount
];
359 REAL gamma
[ColorAdjustTypeCount
];
363 GpFontFamily
*family
;
364 OUTLINETEXTMETRICW otm
;
365 REAL emSize
; /* in font units */
369 struct GpStringFormat
{
373 StringAlignment align
;
374 StringTrimming trimming
;
375 HotkeyPrefix hkprefix
;
376 StringAlignment vertalign
;
377 StringDigitSubstitute digitsub
;
381 CharacterRange
*character_ranges
;
383 BOOL generic_typographic
;
386 struct GpFontCollection
{
387 GpFontFamily
**FontFamilies
;
393 WCHAR FamilyName
[LF_FACESIZE
];
394 UINT16 em_height
, ascent
, descent
, line_spacing
; /* in font units */
399 typedef enum RegionType
401 RegionDataRect
= 0x10000000,
402 RegionDataPath
= 0x10000001,
403 RegionDataEmptyRect
= 0x10000002,
404 RegionDataInfiniteRect
= 0x10000003,
407 struct region_element
409 DWORD type
; /* Rectangle, Path, SpecialRectangle, or CombineMode */
416 struct region_element
*left
; /* the original region */
417 struct region_element
*right
; /* what *left was combined with */
427 typedef GpStatus (*gdip_format_string_callback
)(HDC hdc
,
428 GDIPCONST WCHAR
*string
, INT index
, INT length
, GDIPCONST GpFont
*font
,
429 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
430 INT lineno
, const RectF
*bounds
, INT
*underlined_indexes
,
431 INT underlined_index_count
, void *user_data
);
433 GpStatus
gdip_format_string(HDC hdc
,
434 GDIPCONST WCHAR
*string
, INT length
, GDIPCONST GpFont
*font
,
435 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
, int ignore_empty_clip
,
436 gdip_format_string_callback callback
, void *user_data
) DECLSPEC_HIDDEN
;
438 void get_log_fontW(const GpFont
*, GpGraphics
*, LOGFONTW
*) DECLSPEC_HIDDEN
;