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;
61 extern MetafileType METAFILE_GetEmfType(HENHMETAFILE hemf) DECLSPEC_HIDDEN;
63 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
64 REAL *y1, REAL *x2, REAL *y2) DECLSPEC_HIDDEN;
65 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
66 REAL tension, REAL *x, REAL *y) DECLSPEC_HIDDEN;
68 extern void free_installed_fonts(void) DECLSPEC_HIDDEN;
70 extern BOOL lengthen_path(GpPath *path, INT len) DECLSPEC_HIDDEN;
72 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path) DECLSPEC_HIDDEN;
74 typedef struct region_element region_element;
75 extern void delete_element(region_element *element) DECLSPEC_HIDDEN;
77 extern GpStatus get_hatch_data(HatchStyle hatchstyle, const char **result) DECLSPEC_HIDDEN;
79 static inline INT gdip_round(REAL x)
81 return (INT) floorf(x + 0.5);
84 static inline INT ceilr(REAL x)
86 return (INT) ceilf(x);
89 static inline REAL deg2rad(REAL degrees)
91 return M_PI * degrees / 180.0;
94 static inline ARGB color_over(ARGB bg, ARGB fg)
97 BYTE bg_alpha, fg_alpha;
99 fg_alpha = (fg>>24)&0xff;
101 if (fg_alpha == 0xff) return fg;
103 if (fg_alpha == 0) return bg;
105 bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
107 if (bg_alpha == 0) return fg;
109 a = bg_alpha + fg_alpha;
110 b = ((bg&0xff)*bg_alpha + (fg&0xff)*fg_alpha)/a;
111 g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*fg_alpha)/a;
112 r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*fg_alpha)/a;
114 return (a<<24)|(r<<16)|(g<<8)|b;
117 extern const char *debugstr_rectf(CONST RectF* rc) DECLSPEC_HIDDEN;
119 extern const char *debugstr_pointf(CONST PointF* pt) DECLSPEC_HIDDEN;
121 extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
122 BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride) DECLSPEC_HIDDEN;
124 extern GpStatus convert_pixels(INT width, INT height,
125 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
126 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ColorPalette *palette) DECLSPEC_HIDDEN;
139 GpCustomLineCap *customstart;
140 GpCustomLineCap *customend;
146 REAL offset; /* dash offset */
148 GpPenAlignment align;
156 SmoothingMode smoothing;
157 CompositingQuality compqual;
158 InterpolationMode interpolation;
159 PixelOffsetMode pixeloffset;
160 CompositingMode compmode;
161 TextRenderingHint texthint;
162 GpUnit unit; /* page unit */
163 REAL scale; /* page scale */
165 GpMatrix worldtrans; /* world transform */
166 BOOL busy; /* hdc handle obtained by GdipGetDC */
168 UINT textcontrast; /* not used yet. get/set only */
169 struct list containers;
170 GraphicsContainer contid; /* last-issued container ID */
171 INT origin_x, origin_y;
172 /* For giving the caller an HDC when we technically can't: */
173 HBITMAP temp_hbitmap;
174 int temp_hbitmap_width;
175 int temp_hbitmap_height;
186 HatchStyle hatchstyle;
196 struct GpPathGradient{
204 REAL* blendfac; /* blend factors */
205 REAL* blendpos; /* blend positions */
207 ARGB *surroundcolors;
208 INT surroundcolorcount;
209 ARGB* pblendcolor; /* preset blend colors */
210 REAL* pblendpos; /* preset blend positions */
215 struct GpLineGradient{
224 REAL* blendfac; /* blend factors */
225 REAL* blendpos; /* blend positions */
227 ARGB* pblendcolor; /* preset blend colors */
228 REAL* pblendpos; /* preset blend positions */
236 GpImageAttributes *imageattributes;
237 BYTE *bitmap_bits; /* image bits converted to ARGB and run through imageattributes */
243 BOOL newfigure; /* whether the next drawing action starts a new figure */
244 INT datalen; /* size of the arrays in pathdata */
247 struct GpPathIterator{
249 INT subpath_pos; /* for NextSubpath methods */
250 INT marker_pos; /* for NextMarker methods */
251 INT pathtype_pos; /* for NextPathType methods */
254 struct GpCustomLineCap{
256 BOOL fill; /* TRUE for fill, FALSE for stroke */
257 GpLineCap cap; /* as far as I can tell, this value is ignored */
258 REAL inset; /* how much to adjust the end of the line */
263 struct GpAdustableArrowCap{
269 IStream *stream; /* source stream */
273 UINT frame_count, current_frame;
274 ColorPalette *palette;
282 MetafileType metafile_type;
284 int preserve_hemf; /* if true, hemf belongs to the app and should not be deleted */
288 GpGraphics *record_graphics;
290 DWORD comment_data_size;
291 DWORD comment_data_length;
294 GpGraphics *playback_graphics;
296 GpPointF playback_points[3];
297 HANDLETABLE *handle_table;
306 ImageLockMode lockmode;
308 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
311 BYTE *bits; /* actual image bits if this is a DIB */
312 INT stride; /* stride of bits if this is a DIB */
313 BYTE *own_bits; /* image bits that need to be freed with this object */
314 INT lockx, locky; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
315 IWICMetadataReader *metadata_reader; /* NULL if there is no metadata */
317 PropertyItem *prop_item; /* cached image properties */
320 struct GpCachedBitmap{
332 ColorMatrixFlags flags;
333 ColorMatrix colormatrix;
334 ColorMatrix graymatrix;
337 struct color_remap_table{
343 struct GpImageAttributes{
347 struct color_key colorkeys[ColorAdjustTypeCount];
348 struct color_matrix colormatrices[ColorAdjustTypeCount];
349 struct color_remap_table colorremaptables[ColorAdjustTypeCount];
350 BOOL gamma_enabled[ColorAdjustTypeCount];
351 REAL gamma[ColorAdjustTypeCount];
355 GpFontFamily *family;
356 OUTLINETEXTMETRICW otm;
357 REAL emSize; /* in font units */
361 struct GpStringFormat{
365 StringAlignment align;
366 StringTrimming trimming;
367 HotkeyPrefix hkprefix;
368 StringAlignment vertalign;
369 StringDigitSubstitute digitsub;
373 CharacterRange *character_ranges;
375 BOOL generic_typographic;
378 struct GpFontCollection{
379 GpFontFamily **FontFamilies;
385 WCHAR FamilyName[LF_FACESIZE];
386 UINT16 em_height, ascent, descent, line_spacing; /* in font units */
391 typedef enum RegionType
393 RegionDataRect = 0x10000000,
394 RegionDataPath = 0x10000001,
395 RegionDataEmptyRect = 0x10000002,
396 RegionDataInfiniteRect = 0x10000003,
399 struct region_element
401 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
418 struct region_element *left; /* the original region */
419 struct region_element *right; /* what *left was combined with */
435 typedef GpStatus (*gdip_format_string_callback)(HDC hdc,
436 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
437 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
438 INT lineno, const RectF *bounds, INT *underlined_indexes,
439 INT underlined_index_count, void *user_data);
441 GpStatus gdip_format_string(HDC hdc,
442 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
443 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
444 gdip_format_string_callback callback, void *user_data) DECLSPEC_HIDDEN;
446 void get_log_fontW(const GpFont *, GpGraphics *, LOGFONTW *) DECLSPEC_HIDDEN;