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
) DECLSPEC_HIDDEN
;
61 extern REAL
pixels_to_units(REAL pixels
, GpUnit unit
, REAL dpi
) DECLSPEC_HIDDEN
;
62 extern REAL
units_scale(GpUnit from
, GpUnit to
, REAL dpi
) 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
;
76 extern GpStatus
METAFILE_GetGraphicsContext(GpMetafile
* metafile
, GpGraphics
**result
) DECLSPEC_HIDDEN
;
77 extern GpStatus
METAFILE_GetDC(GpMetafile
* metafile
, HDC
*hdc
) DECLSPEC_HIDDEN
;
78 extern GpStatus
METAFILE_ReleaseDC(GpMetafile
* metafile
, HDC hdc
) DECLSPEC_HIDDEN
;
79 extern GpStatus
METAFILE_GraphicsClear(GpMetafile
* metafile
, ARGB color
) DECLSPEC_HIDDEN
;
80 extern GpStatus
METAFILE_FillRectangles(GpMetafile
* metafile
, GpBrush
* brush
,
81 GDIPCONST GpRectF
* rects
, INT count
) DECLSPEC_HIDDEN
;
82 extern GpStatus
METAFILE_SetClipRect(GpMetafile
* metafile
,
83 REAL x
, REAL y
, REAL width
, REAL height
, CombineMode mode
) DECLSPEC_HIDDEN
;
84 extern GpStatus
METAFILE_SetClipRegion(GpMetafile
* metafile
, GpRegion
* region
, CombineMode mode
) DECLSPEC_HIDDEN
;
85 extern GpStatus
METAFILE_SetPageTransform(GpMetafile
* metafile
, GpUnit unit
, REAL scale
) DECLSPEC_HIDDEN
;
86 extern GpStatus
METAFILE_SetWorldTransform(GpMetafile
* metafile
, GDIPCONST GpMatrix
* transform
) DECLSPEC_HIDDEN
;
87 extern GpStatus
METAFILE_ScaleWorldTransform(GpMetafile
* metafile
, REAL sx
, REAL sy
, MatrixOrder order
) DECLSPEC_HIDDEN
;
88 extern GpStatus
METAFILE_MultiplyWorldTransform(GpMetafile
* metafile
, GDIPCONST GpMatrix
* matrix
, MatrixOrder order
) DECLSPEC_HIDDEN
;
89 extern GpStatus
METAFILE_RotateWorldTransform(GpMetafile
* metafile
, REAL angle
, MatrixOrder order
) DECLSPEC_HIDDEN
;
90 extern GpStatus
METAFILE_TranslateWorldTransform(GpMetafile
* metafile
, REAL dx
, REAL dy
, MatrixOrder order
) DECLSPEC_HIDDEN
;
91 extern GpStatus
METAFILE_ResetWorldTransform(GpMetafile
* metafile
) DECLSPEC_HIDDEN
;
92 extern GpStatus
METAFILE_BeginContainer(GpMetafile
* metafile
, GDIPCONST GpRectF
*dstrect
,
93 GDIPCONST GpRectF
*srcrect
, GpUnit unit
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
94 extern GpStatus
METAFILE_BeginContainerNoParams(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
95 extern GpStatus
METAFILE_EndContainer(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
96 extern GpStatus
METAFILE_SaveGraphics(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
97 extern GpStatus
METAFILE_RestoreGraphics(GpMetafile
* metafile
, DWORD StackIndex
) DECLSPEC_HIDDEN
;
98 extern GpStatus
METAFILE_GraphicsDeleted(GpMetafile
* metafile
) DECLSPEC_HIDDEN
;
99 extern GpStatus
METAFILE_DrawImagePointsRect(GpMetafile
* metafile
, GpImage
*image
,
100 GDIPCONST GpPointF
*points
, INT count
, REAL srcx
, REAL srcy
, REAL srcwidth
,
101 REAL srcheight
, GpUnit srcUnit
, GDIPCONST GpImageAttributes
* imageAttributes
,
102 DrawImageAbort callback
, VOID
*callbackData
) DECLSPEC_HIDDEN
;
103 extern GpStatus
METAFILE_AddSimpleProperty(GpMetafile
*metafile
, SHORT prop
, SHORT val
) DECLSPEC_HIDDEN
;
104 extern GpStatus
METAFILE_DrawPath(GpMetafile
*metafile
, GpPen
*pen
, GpPath
*path
) DECLSPEC_HIDDEN
;
105 extern GpStatus
METAFILE_FillPath(GpMetafile
*metafile
, GpBrush
*brush
, GpPath
*path
) DECLSPEC_HIDDEN
;
106 extern void METAFILE_Free(GpMetafile
*metafile
) DECLSPEC_HIDDEN
;
108 extern void calc_curve_bezier(const GpPointF
*pts
, REAL tension
, REAL
*x1
,
109 REAL
*y1
, REAL
*x2
, REAL
*y2
) DECLSPEC_HIDDEN
;
110 extern void calc_curve_bezier_endp(REAL xend
, REAL yend
, REAL xadj
, REAL yadj
,
111 REAL tension
, REAL
*x
, REAL
*y
) DECLSPEC_HIDDEN
;
113 extern void free_installed_fonts(void) DECLSPEC_HIDDEN
;
115 extern BOOL
lengthen_path(GpPath
*path
, INT len
) DECLSPEC_HIDDEN
;
117 extern DWORD
write_region_data(const GpRegion
*region
, void *data
) DECLSPEC_HIDDEN
;
118 extern DWORD
write_path_data(GpPath
*path
, void *data
) DECLSPEC_HIDDEN
;
120 extern GpStatus
trace_path(GpGraphics
*graphics
, GpPath
*path
) DECLSPEC_HIDDEN
;
122 typedef struct region_element region_element
;
123 extern void delete_element(region_element
*element
) DECLSPEC_HIDDEN
;
125 extern GpStatus
get_hatch_data(GpHatchStyle hatchstyle
, const char **result
) DECLSPEC_HIDDEN
;
127 static inline INT
gdip_round(REAL x
)
129 return (INT
) floorf(x
+ 0.5);
132 static inline INT
ceilr(REAL x
)
134 return (INT
) ceilf(x
);
137 static inline REAL
deg2rad(REAL degrees
)
139 return M_PI
* degrees
/ 180.0;
142 static inline ARGB
color_over(ARGB bg
, ARGB fg
)
145 BYTE bg_alpha
, fg_alpha
;
147 fg_alpha
= (fg
>>24)&0xff;
149 if (fg_alpha
== 0xff) return fg
;
151 if (fg_alpha
== 0) return bg
;
153 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
155 if (bg_alpha
== 0) return fg
;
157 a
= bg_alpha
+ fg_alpha
;
158 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*fg_alpha
)/a
;
159 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*fg_alpha
)/a
;
160 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*fg_alpha
)/a
;
162 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
165 /* fg is premult, bg and return value are not */
166 static inline ARGB
color_over_fgpremult(ARGB bg
, ARGB fg
)
169 BYTE bg_alpha
, fg_alpha
;
171 fg_alpha
= (fg
>>24)&0xff;
173 if (fg_alpha
== 0) return bg
;
175 bg_alpha
= (((bg
>>24)&0xff) * (0xff-fg_alpha
)) / 0xff;
177 a
= bg_alpha
+ fg_alpha
;
178 b
= ((bg
&0xff)*bg_alpha
+ (fg
&0xff)*0xff)/a
;
179 g
= (((bg
>>8)&0xff)*bg_alpha
+ ((fg
>>8)&0xff)*0xff)/a
;
180 r
= (((bg
>>16)&0xff)*bg_alpha
+ ((fg
>>16)&0xff)*0xff)/a
;
182 return (a
<<24)|(r
<<16)|(g
<<8)|b
;
185 extern const char *debugstr_rectf(const RectF
* rc
) DECLSPEC_HIDDEN
;
187 extern const char *debugstr_pointf(const PointF
* pt
) DECLSPEC_HIDDEN
;
189 extern void convert_32bppARGB_to_32bppPARGB(UINT width
, UINT height
,
190 BYTE
*dst_bits
, INT dst_stride
, const BYTE
*src_bits
, INT src_stride
) DECLSPEC_HIDDEN
;
192 extern GpStatus
convert_pixels(INT width
, INT height
,
193 INT dst_stride
, BYTE
*dst_bits
, PixelFormat dst_format
,
194 INT src_stride
, const BYTE
*src_bits
, PixelFormat src_format
, ColorPalette
*palette
) DECLSPEC_HIDDEN
;
196 extern PixelFormat
apply_image_attributes(const GpImageAttributes
*attributes
, LPBYTE data
,
197 UINT width
, UINT height
, INT stride
, ColorAdjustType type
, PixelFormat fmt
) DECLSPEC_HIDDEN
;
210 GpCustomLineCap
*customstart
;
211 GpCustomLineCap
*customend
;
217 REAL offset
; /* dash offset */
219 GpPenAlignment align
;
229 ImageType image_type
;
230 SmoothingMode smoothing
;
231 CompositingQuality compqual
;
232 InterpolationMode interpolation
;
233 PixelOffsetMode pixeloffset
;
234 CompositingMode compmode
;
235 TextRenderingHint texthint
;
236 GpUnit unit
; /* page unit */
237 REAL scale
; /* page scale */
239 GpMatrix worldtrans
; /* world transform */
240 BOOL busy
; /* hdc handle obtained by GdipGetDC */
241 GpRegion
*clip
; /* in device coords */
242 UINT textcontrast
; /* not used yet. get/set only */
243 struct list containers
;
244 GraphicsContainer contid
; /* last-issued container ID */
245 INT origin_x
, origin_y
;
246 INT gdi_transform_acquire_count
, gdi_transform_save
;
247 GpMatrix gdi_transform
;
249 /* For giving the caller an HDC when we technically can't: */
250 HBITMAP temp_hbitmap
;
251 int temp_hbitmap_width
;
252 int temp_hbitmap_height
;
263 GpHatchStyle hatchstyle
;
273 struct GpPathGradient
{
281 REAL
* blendfac
; /* blend factors */
282 REAL
* blendpos
; /* blend positions */
284 ARGB
*surroundcolors
;
285 INT surroundcolorcount
;
286 ARGB
* pblendcolor
; /* preset blend colors */
287 REAL
* pblendpos
; /* preset blend positions */
292 struct GpLineGradient
{
301 REAL
* blendfac
; /* blend factors */
302 REAL
* blendpos
; /* blend positions */
304 ARGB
* pblendcolor
; /* preset blend colors */
305 REAL
* pblendpos
; /* preset blend positions */
314 GpImageAttributes
*imageattributes
;
315 BYTE
*bitmap_bits
; /* image bits converted to ARGB and run through imageattributes */
321 BOOL newfigure
; /* whether the next drawing action starts a new figure */
322 INT datalen
; /* size of the arrays in pathdata */
325 struct GpPathIterator
{
327 INT subpath_pos
; /* for NextSubpath methods */
328 INT marker_pos
; /* for NextMarker methods */
329 INT pathtype_pos
; /* for NextPathType methods */
332 struct GpCustomLineCap
{
333 CustomLineCapType type
;
335 BOOL fill
; /* TRUE for fill, FALSE for stroke */
336 GpLineCap cap
; /* as far as I can tell, this value is ignored */
337 REAL inset
; /* how much to adjust the end of the line */
342 struct GpAdjustableArrowCap
{
350 IWICBitmapDecoder
*decoder
;
354 UINT frame_count
, current_frame
;
355 ColorPalette
*palette
;
360 #define EmfPlusObjectTableSize 64
362 typedef enum EmfPlusObjectType
371 ObjectTypeStringFormat
,
372 ObjectTypeImageAttributes
,
373 ObjectTypeCustomLineCap
,
374 ObjectTypeMax
= ObjectTypeCustomLineCap
,
377 /* Deserialized EmfPlusObject record. */
378 struct emfplus_object
{
379 EmfPlusObjectType type
;
387 GpImageAttributes
*image_attributes
;
396 MetafileType metafile_type
;
398 int preserve_hemf
; /* if true, hemf belongs to the app and should not be deleted */
402 GpGraphics
*record_graphics
;
404 DWORD comment_data_size
;
405 DWORD comment_data_length
;
406 IStream
*record_stream
;
407 BOOL auto_frame
; /* If true, determine the frame automatically */
408 GpPointF auto_frame_min
, auto_frame_max
;
409 DWORD next_object_id
;
412 GpGraphics
*playback_graphics
;
414 GpPointF playback_points
[3];
416 HANDLETABLE
*handle_table
;
418 XFORM gdiworldtransform
;
419 GpMatrix
*world_transform
;
422 GpRegion
*base_clip
; /* clip region in device space for all metafile output */
423 GpRegion
*clip
; /* clip region within the metafile */
424 struct list containers
;
425 struct emfplus_object objtable
[EmfPlusObjectTableSize
];
433 ImageLockMode lockmode
;
434 BYTE
*bitmapbits
; /* pointer to the buffer we passed in BitmapLockBits */
437 BYTE
*bits
; /* actual image bits if this is a DIB */
438 INT stride
; /* stride of bits if this is a DIB */
439 BYTE
*own_bits
; /* image bits that need to be freed with this object */
440 INT lockx
, locky
; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
441 IWICMetadataReader
*metadata_reader
; /* NULL if there is no metadata */
443 PropertyItem
*prop_item
; /* cached image properties */
446 struct GpCachedBitmap
{
458 ColorMatrixFlags flags
;
459 ColorMatrix colormatrix
;
460 ColorMatrix graymatrix
;
463 struct color_remap_table
{
470 IMAGEATTR_NOOP_UNDEFINED
,
472 IMAGEATTR_NOOP_CLEAR
,
475 struct GpImageAttributes
{
479 struct color_key colorkeys
[ColorAdjustTypeCount
];
480 struct color_matrix colormatrices
[ColorAdjustTypeCount
];
481 struct color_remap_table colorremaptables
[ColorAdjustTypeCount
];
482 BOOL gamma_enabled
[ColorAdjustTypeCount
];
483 REAL gamma
[ColorAdjustTypeCount
];
484 enum imageattr_noop noop
[ColorAdjustTypeCount
];
488 GpFontFamily
*family
;
489 OUTLINETEXTMETRICW otm
;
490 REAL emSize
; /* in font units */
494 extern const struct GpStringFormat default_drawstring_format DECLSPEC_HIDDEN
;
496 struct GpStringFormat
{
500 StringAlignment align
;
501 StringTrimming trimming
;
502 HotkeyPrefix hkprefix
;
503 StringAlignment line_align
;
504 StringDigitSubstitute digitsub
;
508 CharacterRange
*character_ranges
;
510 BOOL generic_typographic
;
513 extern void init_generic_string_formats(void) DECLSPEC_HIDDEN
;
514 extern void free_generic_string_formats(void) DECLSPEC_HIDDEN
;
516 struct GpFontCollection
{
517 GpFontFamily
**FontFamilies
;
523 WCHAR FamilyName
[LF_FACESIZE
];
524 UINT16 em_height
, ascent
, descent
, line_spacing
; /* in font units */
529 typedef enum RegionType
531 RegionDataRect
= 0x10000000,
532 RegionDataPath
= 0x10000001,
533 RegionDataEmptyRect
= 0x10000002,
534 RegionDataInfiniteRect
= 0x10000003,
537 struct region_element
539 DWORD type
; /* Rectangle, Path, SpecialRectangle, or CombineMode */
546 struct region_element
*left
; /* the original region */
547 struct region_element
*right
; /* what *left was combined with */
563 static inline void init_memory_buffer(struct memory_buffer
*mbuf
, const BYTE
*buffer
, INT size
)
565 mbuf
->buffer
= buffer
;
570 static inline const void *buffer_read(struct memory_buffer
*mbuf
, INT size
)
572 if (mbuf
->size
- mbuf
->pos
>= size
)
574 const void *data
= mbuf
->buffer
+ mbuf
->pos
;
581 typedef GpStatus (*gdip_format_string_callback
)(HDC hdc
,
582 GDIPCONST WCHAR
*string
, INT index
, INT length
, GDIPCONST GpFont
*font
,
583 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
,
584 INT lineno
, const RectF
*bounds
, INT
*underlined_indexes
,
585 INT underlined_index_count
, void *user_data
);
587 GpStatus
gdip_format_string(HDC hdc
,
588 GDIPCONST WCHAR
*string
, INT length
, GDIPCONST GpFont
*font
,
589 GDIPCONST RectF
*rect
, GDIPCONST GpStringFormat
*format
, int ignore_empty_clip
,
590 gdip_format_string_callback callback
, void *user_data
) DECLSPEC_HIDDEN
;
592 void get_log_fontW(const GpFont
*, GpGraphics
*, LOGFONTW
*) DECLSPEC_HIDDEN
;
594 static inline BOOL
image_lock(GpImage
*image
, BOOL
*unlock
)
596 LONG tid
= GetCurrentThreadId(), owner_tid
;
597 owner_tid
= InterlockedCompareExchange(&image
->busy
, tid
, 0);
598 *unlock
= !owner_tid
;
599 return !owner_tid
|| owner_tid
==tid
;
602 static inline void image_unlock(GpImage
*image
, BOOL unlock
)
604 if (unlock
) image
->busy
= 0;