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/heap.h"
34 #include "wine/list.h"
38 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
39 #define MAX_ARC_PTS (13)
40 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
41 #define INCH_HIMETRIC (2540)
43 #define VERSION_MAGIC 0xdbc01001
44 #define VERSION_MAGIC2 0xdbc01002
45 #define VALID_MAGIC(x) (((x) & 0xfffff000) == 0xdbc01000)
46 #define TENSION_CONST (0.3)
48 #define GIF_DISPOSE_UNSPECIFIED 0
49 #define GIF_DISPOSE_DO_NOT_DISPOSE 1
50 #define GIF_DISPOSE_RESTORE_TO_BKGND 2
51 #define GIF_DISPOSE_RESTORE_TO_PREV 3
54 COLORREF
ARGB2COLORREF(ARGB color
) DECLSPEC_HIDDEN
;
55 HBITMAP
ARGB2BMP(ARGB color
) DECLSPEC_HIDDEN
;
56 extern INT
arc2polybezier(GpPointF
* points
, REAL x1
, REAL y1
, REAL x2
, REAL y2
,
57 REAL startAngle
, REAL sweepAngle
) DECLSPEC_HIDDEN
;
58 extern REAL
gdiplus_atan2(REAL dy
, REAL dx
) DECLSPEC_HIDDEN
;
59 extern GpStatus
hresult_to_status(HRESULT res
) DECLSPEC_HIDDEN
;
60 extern REAL
units_to_pixels(REAL units
, GpUnit unit
, REAL dpi
, BOOL printer_display
) DECLSPEC_HIDDEN
;
61 extern REAL
pixels_to_units(REAL pixels
, GpUnit unit
, REAL dpi
, BOOL printer_display
) DECLSPEC_HIDDEN
;
62 extern REAL
units_scale(GpUnit from
, GpUnit to
, REAL dpi
, BOOL printer_display
) DECLSPEC_HIDDEN
;
64 #define WineCoordinateSpaceGdiDevice ((GpCoordinateSpace)4)
66 extern GpStatus
gdi_transform_acquire(GpGraphics
*graphics
);
67 extern GpStatus
gdi_transform_release(GpGraphics
*graphics
);
68 extern GpStatus
get_graphics_transform(GpGraphics
*graphics
, GpCoordinateSpace dst_space
,
69 GpCoordinateSpace src_space
, GpMatrix
*matrix
) DECLSPEC_HIDDEN
;
70 extern GpStatus
gdip_transform_points(GpGraphics
*graphics
, GpCoordinateSpace dst_space
,
71 GpCoordinateSpace src_space
, GpPointF
*points
, INT count
) DECLSPEC_HIDDEN
;
73 extern GpStatus
graphics_from_image(GpImage
*image
, GpGraphics
**graphics
) DECLSPEC_HIDDEN
;
74 extern GpStatus
encode_image_png(GpImage
*image
, IStream
* stream
, GDIPCONST EncoderParameters
* params
) DECLSPEC_HIDDEN
;
75 extern GpStatus
terminate_encoder_wic(GpImage
*image
) DECLSPEC_HIDDEN
;
77 extern GpStatus
METAFILE_GetGraphicsContext(GpMetafile
* metafile
, GpGraphics
**result
) DECLSPEC_HIDDEN
;
78 extern GpStatus
METAFILE_GetDC(GpMetafile
* metafile
, HDC
*hdc
) DECLSPEC_HIDDEN
;
79 extern GpStatus
METAFILE_ReleaseDC(GpMetafile
* metafile
, HDC hdc
) DECLSPEC_HIDDEN
;
80 extern GpStatus
METAFILE_GraphicsClear(GpMetafile
* metafile
, ARGB color
) DECLSPEC_HIDDEN
;
81 extern GpStatus
METAFILE_FillRectangles(GpMetafile
* metafile
, GpBrush
* brush
,
82 GDIPCONST GpRectF
* rects
, INT count
) DECLSPEC_HIDDEN
;
83 extern GpStatus
METAFILE_SetClipRect(GpMetafile
* metafile
,
84 REAL x
, REAL y
, REAL width
, REAL height
, CombineMode mode
) DECLSPEC_HIDDEN
;
85 extern GpStatus
METAFILE_SetClipRegion(GpMetafile
* metafile
, GpRegion
* region
, CombineMode mode
) DECLSPEC_HIDDEN
;
86 extern GpStatus
METAFILE_SetPageTransform(GpMetafile
* metafile
, GpUnit unit
, REAL scale
) DECLSPEC_HIDDEN
;
87 extern GpStatus
METAFILE_SetWorldTransform(GpMetafile
* metafile
, GDIPCONST GpMatrix
* transform
) DECLSPEC_HIDDEN
;
88 extern GpStatus
METAFILE_ScaleWorldTransform(GpMetafile
* metafile
, REAL sx
, REAL sy
, MatrixOrder order
) DECLSPEC_HIDDEN
;
89 extern GpStatus
METAFILE_MultiplyWorldTransform(GpMetafile
* metafile
, GDIPCONST GpMatrix
* matrix
, MatrixOrder order
) DECLSPEC_HIDDEN
;
90 extern GpStatus
METAFILE_RotateWorldTransform(GpMetafile
* metafile
, REAL angle
, MatrixOrder order
) DECLSPEC_HIDDEN
;
91 extern GpStatus
METAFILE_TranslateWorldTransform(GpMetafile
* metafile
, REAL dx
, REAL dy
, MatrixOrder order
) DECLSPEC_HIDDEN
;
92 extern GpStatus
METAFILE_ResetWorldTransform(GpMetafile
* metafile
) DECLSPEC_HIDDEN
;
93 extern GpStatus
METAFILE_BeginContainer(GpMetafile
* metafile
, GDIPCONST GpRectF
*dstrect
,
94 GDIPCONST GpRectF
*srcrect
, GpUnit unit
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
95 extern GpStatus
METAFILE_BeginContainerNoParams(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
96 extern GpStatus
METAFILE_EndContainer(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
97 extern GpStatus
METAFILE_SaveGraphics(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
98 extern GpStatus
METAFILE_RestoreGraphics(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
99 extern GpStatus
METAFILE_GraphicsDeleted(GpMetafile
* metafile
) DECLSPEC_HIDDEN
;
100 extern GpStatus
METAFILE_DrawImagePointsRect(GpMetafile
* metafile
, GpImage
*image
,
101 GDIPCONST GpPointF
*points
, INT count
, REAL srcx
, REAL srcy
, REAL srcwidth
,
102 REAL srcheight
, GpUnit srcUnit
, GDIPCONST GpImageAttributes
* imageAttributes
,
103 DrawImageAbort callback
, VOID
*callbackData
) DECLSPEC_HIDDEN
;
104 extern GpStatus
METAFILE_AddSimpleProperty(GpMetafile
*metafile
, SHORT prop
, SHORT val
) DECLSPEC_HIDDEN
;
105 extern GpStatus
METAFILE_DrawPath(GpMetafile
*metafile
, GpPen
*pen
, GpPath
*path
) DECLSPEC_HIDDEN
;
106 extern GpStatus
METAFILE_FillPath(GpMetafile
*metafile
, GpBrush
*brush
, GpPath
*path
) DECLSPEC_HIDDEN
;
107 extern GpStatus
METAFILE_DrawDriverString(GpMetafile
*metafile
, GDIPCONST UINT16
*text
, INT length
,
108 GDIPCONST GpFont
*font
, GDIPCONST GpStringFormat
*format
, GDIPCONST GpBrush
*brush
,
109 GDIPCONST PointF
*positions
, INT flags
, GDIPCONST GpMatrix
*matrix
) DECLSPEC_HIDDEN
;
110 extern GpStatus
METAFILE_FillRegion(GpMetafile
* metafile
, GpBrush
* brush
,
111 GpRegion
* region
) DECLSPEC_HIDDEN
;
112 extern void METAFILE_Free(GpMetafile
*metafile
) DECLSPEC_HIDDEN
;
113 extern GpStatus
METAFILE_DrawEllipse(GpMetafile
*metafile
, GpPen
*pen
, GpRectF
*rect
) DECLSPEC_HIDDEN
;
114 extern GpStatus
METAFILE_FillEllipse(GpMetafile
*metafile
, GpBrush
*brush
, GpRectF
*rect
) DECLSPEC_HIDDEN
;
115 extern GpStatus
METAFILE_DrawRectangles(GpMetafile
*metafile
, GpPen
*pen
, const GpRectF
*rects
, INT count
) DECLSPEC_HIDDEN
;
116 extern GpStatus
METAFILE_FillPie(GpMetafile
*metafile
, GpBrush
*brush
, const GpRectF
*rect
,
117 REAL startAngle
, REAL sweepAngle
) DECLSPEC_HIDDEN
;
118 extern GpStatus
METAFILE_DrawArc(GpMetafile
*metafile
, GpPen
*pen
, const GpRectF
*rect
,
119 REAL startAngle
, REAL sweepAngle
) DECLSPEC_HIDDEN
;
120 extern GpStatus
METAFILE_OffsetClip(GpMetafile
*metafile
, REAL dx
, REAL dy
) DECLSPEC_HIDDEN
;
121 extern GpStatus
METAFILE_ResetClip(GpMetafile
*metafile
) DECLSPEC_HIDDEN
;
122 extern GpStatus
METAFILE_SetClipPath(GpMetafile
*metafile
, GpPath
*path
, CombineMode mode
) DECLSPEC_HIDDEN
;
123 extern GpStatus
METAFILE_SetRenderingOrigin(GpMetafile
*metafile
, INT x
, INT y
) DECLSPEC_HIDDEN
;
125 extern void calc_curve_bezier(const GpPointF
*pts
, REAL tension
, REAL
*x1
,
126 REAL
*y1
, REAL
*x2
, REAL
*y2
) DECLSPEC_HIDDEN
;
127 extern void calc_curve_bezier_endp(REAL xend
, REAL yend
, REAL xadj
, REAL yadj
,
128 REAL tension
, REAL
*x
, REAL
*y
) DECLSPEC_HIDDEN
;
130 extern void free_installed_fonts(void) DECLSPEC_HIDDEN
;
132 extern BOOL
lengthen_path(GpPath
*path
, INT len
) DECLSPEC_HIDDEN
;
134 extern DWORD
write_region_data(const GpRegion
*region
, void *data
) DECLSPEC_HIDDEN
;
135 extern DWORD
write_path_data(GpPath
*path
, void *data
) DECLSPEC_HIDDEN
;
137 extern GpStatus
trace_path(GpGraphics
*graphics
, GpPath
*path
) DECLSPEC_HIDDEN
;
139 typedef struct region_element region_element
;
140 extern void delete_element(region_element
*element
) DECLSPEC_HIDDEN
;
142 extern GpStatus
get_hatch_data(GpHatchStyle hatchstyle
, const unsigned char **result
) DECLSPEC_HIDDEN
;
144 static inline INT
gdip_round(REAL x
)
146 return (INT
) floorf(x
+ 0.5);
149 static inline INT
ceilr(REAL x
)
151 return (INT
) ceilf(x
);
154 static inline REAL
deg2rad(REAL degrees
)
156 return M_PI
* degrees
/ 180.0;
159 static inline ARGB
color_over(ARGB bg
, ARGB fg
)
162 BYTE bg_alpha
, fg_alpha
;
164 fg_alpha
= (fg
>>24)&0xff;
166 if (fg_alpha
== 0xff) return fg
;
168 if (fg_alpha
== 0) return bg
;
170 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
172 if (bg_alpha
== 0) return fg
;
174 a
= bg_alpha
+ fg_alpha
;
175 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*fg_alpha
)/a
;
176 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*fg_alpha
)/a
;
177 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*fg_alpha
)/a
;
179 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
182 /* fg is premult, bg and return value are not */
183 static inline ARGB
color_over_fgpremult(ARGB bg
, ARGB fg
)
186 BYTE bg_alpha
, fg_alpha
;
188 fg_alpha
= (fg
>>24)&0xff;
190 if (fg_alpha
== 0) return bg
;
192 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
194 a
= bg_alpha
+ fg_alpha
;
195 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*0xff)/a
;
196 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*0xff)/a
;
197 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*0xff)/a
;
199 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
202 extern const char *debugstr_rectf(const RectF
* rc
) DECLSPEC_HIDDEN
;
204 extern const char *debugstr_pointf(const PointF
* pt
) DECLSPEC_HIDDEN
;
206 extern void convert_32bppARGB_to_32bppPARGB(UINT width
, UINT height
,
207 BYTE
*dst_bits
, INT dst_stride
, const BYTE
*src_bits
, INT src_stride
) DECLSPEC_HIDDEN
;
209 extern GpStatus
convert_pixels(INT width
, INT height
,
210 INT dst_stride
, BYTE
*dst_bits
, PixelFormat dst_format
, ColorPalette
*dst_palette
,
211 INT src_stride
, const BYTE
*src_bits
, PixelFormat src_format
, ColorPalette
*src_palette
) DECLSPEC_HIDDEN
;
213 extern PixelFormat
apply_image_attributes(const GpImageAttributes
*attributes
, LPBYTE data
,
214 UINT width
, UINT height
, INT stride
, ColorAdjustType type
, PixelFormat fmt
) DECLSPEC_HIDDEN
;
227 GpCustomLineCap
*customstart
;
228 GpCustomLineCap
*customend
;
234 REAL offset
; /* dash offset */
236 GpPenAlignment align
;
245 BOOL printer_display
;
247 ImageType image_type
;
248 SmoothingMode smoothing
;
249 CompositingQuality compqual
;
250 InterpolationMode interpolation
;
251 PixelOffsetMode pixeloffset
;
252 CompositingMode compmode
;
253 TextRenderingHint texthint
;
254 GpUnit unit
; /* page unit */
255 REAL scale
; /* page scale */
257 GpMatrix worldtrans
; /* world transform */
258 BOOL busy
; /* hdc handle obtained by GdipGetDC */
259 GpRegion
*clip
; /* in device coords */
260 UINT textcontrast
; /* not used yet. get/set only */
261 struct list containers
;
262 GraphicsContainer contid
; /* last-issued container ID */
263 INT origin_x
, origin_y
;
264 INT gdi_transform_acquire_count
, gdi_transform_save
;
265 GpMatrix gdi_transform
;
267 /* For giving the caller an HDC when we technically can't: */
268 HBITMAP temp_hbitmap
;
269 int temp_hbitmap_width
;
270 int temp_hbitmap_height
;
281 GpHatchStyle hatchstyle
;
291 struct GpPathGradient
{
299 REAL
* blendfac
; /* blend factors */
300 REAL
* blendpos
; /* blend positions */
302 ARGB
*surroundcolors
;
303 INT surroundcolorcount
;
304 ARGB
* pblendcolor
; /* preset blend colors */
305 REAL
* pblendpos
; /* preset blend positions */
310 struct GpLineGradient
{
317 REAL
* blendfac
; /* blend factors */
318 REAL
* blendpos
; /* blend positions */
320 ARGB
* pblendcolor
; /* preset blend colors */
321 REAL
* pblendpos
; /* preset blend positions */
330 GpImageAttributes
*imageattributes
;
331 BYTE
*bitmap_bits
; /* image bits converted to ARGB and run through imageattributes */
337 BOOL newfigure
; /* whether the next drawing action starts a new figure */
338 INT datalen
; /* size of the arrays in pathdata */
341 struct GpPathIterator
{
343 INT subpath_pos
; /* for NextSubpath methods */
344 INT marker_pos
; /* for NextMarker methods */
345 INT pathtype_pos
; /* for NextPathType methods */
348 struct GpCustomLineCap
{
349 CustomLineCapType type
;
351 BOOL fill
; /* TRUE for fill, FALSE for stroke */
352 GpLineCap cap
; /* as far as I can tell, this value is ignored */
353 REAL inset
; /* how much to adjust the end of the line */
358 struct GpAdjustableArrowCap
{
366 IWICBitmapDecoder
*decoder
;
367 IWICBitmapEncoder
*encoder
;
371 UINT frame_count
, current_frame
;
372 ColorPalette
*palette
;
377 #define EmfPlusObjectTableSize 64
379 typedef enum EmfPlusObjectType
388 ObjectTypeStringFormat
,
389 ObjectTypeImageAttributes
,
390 ObjectTypeCustomLineCap
,
391 ObjectTypeMax
= ObjectTypeCustomLineCap
,
394 /* Deserialized EmfPlusObject record. */
395 struct emfplus_object
{
396 EmfPlusObjectType type
;
404 GpImageAttributes
*image_attributes
;
413 MetafileType metafile_type
;
415 int preserve_hemf
; /* if true, hemf belongs to the app and should not be deleted */
419 GpGraphics
*record_graphics
;
421 DWORD comment_data_size
;
422 DWORD comment_data_length
;
423 IStream
*record_stream
;
424 BOOL auto_frame
; /* If true, determine the frame automatically */
425 GpPointF auto_frame_min
, auto_frame_max
;
426 DWORD next_object_id
;
428 BOOL printer_display
;
433 GpGraphics
*playback_graphics
;
435 GpPointF playback_points
[3];
437 HANDLETABLE
*handle_table
;
439 GpMatrix
*world_transform
;
442 GpRegion
*base_clip
; /* clip region in device space for all metafile output */
443 GpRegion
*clip
; /* clip region within the metafile */
444 struct list containers
;
445 struct emfplus_object objtable
[EmfPlusObjectTableSize
];
453 ImageLockMode lockmode
;
454 BYTE
*bitmapbits
; /* pointer to the buffer we passed in BitmapLockBits */
457 BYTE
*bits
; /* actual image bits if this is a DIB */
458 INT stride
; /* stride of bits if this is a DIB */
459 BYTE
*own_bits
; /* image bits that need to be freed with this object */
460 INT lockx
, locky
; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
461 IWICMetadataReader
*metadata_reader
; /* NULL if there is no metadata */
463 PropertyItem
*prop_item
; /* cached image properties */
466 struct GpCachedBitmap
{
478 ColorMatrixFlags flags
;
479 ColorMatrix colormatrix
;
480 ColorMatrix graymatrix
;
483 struct color_remap_table
{
490 IMAGEATTR_NOOP_UNDEFINED
,
492 IMAGEATTR_NOOP_CLEAR
,
495 struct GpImageAttributes
{
499 struct color_key colorkeys
[ColorAdjustTypeCount
];
500 struct color_matrix colormatrices
[ColorAdjustTypeCount
];
501 struct color_remap_table colorremaptables
[ColorAdjustTypeCount
];
502 BOOL gamma_enabled
[ColorAdjustTypeCount
];
503 REAL gamma
[ColorAdjustTypeCount
];
504 enum imageattr_noop noop
[ColorAdjustTypeCount
];
508 GpFontFamily
*family
;
509 OUTLINETEXTMETRICW otm
;
510 REAL emSize
; /* in font units */
514 extern const struct GpStringFormat default_drawstring_format DECLSPEC_HIDDEN
;
516 struct GpStringFormat
{
520 StringAlignment align
;
521 StringTrimming trimming
;
522 HotkeyPrefix hkprefix
;
523 StringAlignment line_align
;
524 StringDigitSubstitute digitsub
;
528 CharacterRange
*character_ranges
;
530 BOOL generic_typographic
;
533 extern void init_generic_string_formats(void) DECLSPEC_HIDDEN
;
534 extern void free_generic_string_formats(void) DECLSPEC_HIDDEN
;
536 struct GpFontCollection
{
537 GpFontFamily
**FontFamilies
;
543 WCHAR FamilyName
[LF_FACESIZE
];
544 UINT16 em_height
, ascent
, descent
, line_spacing
; /* in font units */
551 typedef enum RegionType
553 RegionDataRect
= 0x10000000,
554 RegionDataPath
= 0x10000001,
555 RegionDataEmptyRect
= 0x10000002,
556 RegionDataInfiniteRect
= 0x10000003,
559 struct region_element
561 DWORD type
; /* Rectangle, Path, SpecialRectangle, or CombineMode */
568 struct region_element
*left
; /* the original region */
569 struct region_element
*right
; /* what *left was combined with */
585 static inline void init_memory_buffer(struct memory_buffer
*mbuf
, const BYTE
*buffer
, INT size
)
587 mbuf
->buffer
= buffer
;
592 static inline const void *buffer_read(struct memory_buffer
*mbuf
, INT size
)
594 if (mbuf
->size
- mbuf
->pos
>= size
)
596 const void *data
= mbuf
->buffer
+ mbuf
->pos
;
603 typedef GpStatus (*gdip_format_string_callback
)(HDC hdc
,
604 GDIPCONST WCHAR
*string
, INT index
, INT length
, GDIPCONST GpFont
*font
,
605 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
606 INT lineno
, const RectF
*bounds
, INT
*underlined_indexes
,
607 INT underlined_index_count
, void *user_data
);
609 GpStatus
gdip_format_string(HDC hdc
,
610 GDIPCONST WCHAR
*string
, INT length
, GDIPCONST GpFont
*font
,
611 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
, int ignore_empty_clip
,
612 gdip_format_string_callback callback
, void *user_data
) DECLSPEC_HIDDEN
;
614 void get_log_fontW(const GpFont
*, GpGraphics
*, LOGFONTW
*) DECLSPEC_HIDDEN
;
616 static inline BOOL
image_lock(GpImage
*image
, BOOL
*unlock
)
618 LONG tid
= GetCurrentThreadId(), owner_tid
;
619 owner_tid
= InterlockedCompareExchange(&image
->busy
, tid
, 0);
620 *unlock
= !owner_tid
;
621 return !owner_tid
|| owner_tid
==tid
;
624 static inline void image_unlock(GpImage
*image
, BOOL unlock
)
626 if (unlock
) image
->busy
= 0;
629 static inline void set_rect(GpRectF
*rect
, REAL x
, REAL y
, REAL width
, REAL height
)
634 rect
->Height
= height
;