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_GraphicsDeleted(GpMetafile* metafile) DECLSPEC_HIDDEN;
62 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
63 REAL *y1, REAL *x2, REAL *y2) DECLSPEC_HIDDEN;
64 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
65 REAL tension, REAL *x, REAL *y) DECLSPEC_HIDDEN;
67 extern void free_installed_fonts(void) DECLSPEC_HIDDEN;
69 extern BOOL lengthen_path(GpPath *path, INT len) DECLSPEC_HIDDEN;
71 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path) DECLSPEC_HIDDEN;
73 typedef struct region_element region_element;
74 extern void delete_element(region_element *element) DECLSPEC_HIDDEN;
76 extern GpStatus get_hatch_data(HatchStyle hatchstyle, const char **result) DECLSPEC_HIDDEN;
78 static inline INT gdip_round(REAL x)
80 return (INT) floorf(x + 0.5);
83 static inline INT ceilr(REAL x)
85 return (INT) ceilf(x);
88 static inline REAL deg2rad(REAL degrees)
90 return M_PI * degrees / 180.0;
93 static inline ARGB color_over(ARGB bg, ARGB fg)
96 BYTE bg_alpha, fg_alpha;
98 fg_alpha = (fg>>24)&0xff;
100 if (fg_alpha == 0xff) return fg;
102 if (fg_alpha == 0) return bg;
104 bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
106 if (bg_alpha == 0) return fg;
108 a = bg_alpha + fg_alpha;
109 b = ((bg&0xff)*bg_alpha + (fg&0xff)*fg_alpha)/a;
110 g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*fg_alpha)/a;
111 r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*fg_alpha)/a;
113 return (a<<24)|(r<<16)|(g<<8)|b;
116 extern const char *debugstr_rectf(CONST RectF* rc) DECLSPEC_HIDDEN;
118 extern const char *debugstr_pointf(CONST PointF* pt) DECLSPEC_HIDDEN;
120 extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
121 BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride) DECLSPEC_HIDDEN;
123 extern GpStatus convert_pixels(INT width, INT height,
124 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
125 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ColorPalette *palette) DECLSPEC_HIDDEN;
134 GpCustomLineCap *customstart;
135 GpCustomLineCap *customend;
141 REAL offset; /* dash offset */
143 GpPenAlignment align;
151 SmoothingMode smoothing;
152 CompositingQuality compqual;
153 InterpolationMode interpolation;
154 PixelOffsetMode pixeloffset;
155 CompositingMode compmode;
156 TextRenderingHint texthint;
157 GpUnit unit; /* page unit */
158 REAL scale; /* page scale */
160 GpMatrix * worldtrans; /* world transform */
161 BOOL busy; /* hdc handle obtained by GdipGetDC */
163 UINT textcontrast; /* not used yet. get/set only */
164 struct list containers;
165 GraphicsContainer contid; /* last-issued container ID */
166 INT origin_x, origin_y;
167 /* For giving the caller an HDC when we technically can't: */
168 HBITMAP temp_hbitmap;
169 int temp_hbitmap_width;
170 int temp_hbitmap_height;
181 HatchStyle hatchstyle;
191 struct GpPathGradient{
199 REAL* blendfac; /* blend factors */
200 REAL* blendpos; /* blend positions */
202 ARGB *surroundcolors;
203 INT surroundcolorcount;
204 ARGB* pblendcolor; /* preset blend colors */
205 REAL* pblendpos; /* preset blend positions */
210 struct GpLineGradient{
219 REAL* blendfac; /* blend factors */
220 REAL* blendpos; /* blend positions */
222 ARGB* pblendcolor; /* preset blend colors */
223 REAL* pblendpos; /* preset blend positions */
231 GpImageAttributes *imageattributes;
232 BYTE *bitmap_bits; /* image bits converted to ARGB and run through imageattributes */
238 BOOL newfigure; /* whether the next drawing action starts a new figure */
239 INT datalen; /* size of the arrays in pathdata */
246 struct GpPathIterator{
248 INT subpath_pos; /* for NextSubpath methods */
249 INT marker_pos; /* for NextMarker methods */
250 INT pathtype_pos; /* for NextPathType methods */
253 struct GpCustomLineCap{
255 BOOL fill; /* TRUE for fill, FALSE for stroke */
256 GpLineCap cap; /* as far as I can tell, this value is ignored */
257 REAL inset; /* how much to adjust the end of the line */
262 struct GpAdustableArrowCap{
268 IStream *stream; /* source stream */
272 UINT frame_count, current_frame;
273 ColorPalette *palette;
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 */
315 PropertyItem *prop_item; /* cached image properties */
318 struct GpCachedBitmap{
330 ColorMatrixFlags flags;
331 ColorMatrix colormatrix;
332 ColorMatrix graymatrix;
335 struct color_remap_table{
341 struct GpImageAttributes{
345 struct color_key colorkeys[ColorAdjustTypeCount];
346 struct color_matrix colormatrices[ColorAdjustTypeCount];
347 struct color_remap_table colorremaptables[ColorAdjustTypeCount];
348 BOOL gamma_enabled[ColorAdjustTypeCount];
349 REAL gamma[ColorAdjustTypeCount];
353 GpFontFamily *family;
354 OUTLINETEXTMETRICW otm;
355 REAL emSize; /* in font units */
359 struct GpStringFormat{
363 StringAlignment align;
364 StringTrimming trimming;
365 HotkeyPrefix hkprefix;
366 StringAlignment vertalign;
367 StringDigitSubstitute digitsub;
371 CharacterRange *character_ranges;
373 BOOL generic_typographic;
376 struct GpFontCollection{
377 GpFontFamily **FontFamilies;
383 WCHAR FamilyName[LF_FACESIZE];
384 UINT16 em_height, ascent, descent, line_spacing; /* in font units */
389 typedef enum RegionType
391 RegionDataRect = 0x10000000,
392 RegionDataPath = 0x10000001,
393 RegionDataEmptyRect = 0x10000002,
394 RegionDataInfiniteRect = 0x10000003,
397 struct region_element
399 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 */
433 typedef GpStatus (*gdip_format_string_callback)(HDC hdc,
434 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
435 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
436 INT lineno, const RectF *bounds, INT *underlined_indexes,
437 INT underlined_index_count, void *user_data);
439 GpStatus gdip_format_string(HDC hdc,
440 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
441 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
442 gdip_format_string_callback callback, void *user_data) DECLSPEC_HIDDEN;
444 void get_log_fontW(const GpFont *, GpGraphics *, LOGFONTW *) DECLSPEC_HIDDEN;