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;
157 ImageType image_type;
158 SmoothingMode smoothing;
159 CompositingQuality compqual;
160 InterpolationMode interpolation;
161 PixelOffsetMode pixeloffset;
162 CompositingMode compmode;
163 TextRenderingHint texthint;
164 GpUnit unit; /* page unit */
165 REAL scale; /* page scale */
167 GpMatrix worldtrans; /* world transform */
168 BOOL busy; /* hdc handle obtained by GdipGetDC */
170 UINT textcontrast; /* not used yet. get/set only */
171 struct list containers;
172 GraphicsContainer contid; /* last-issued container ID */
173 INT origin_x, origin_y;
174 /* For giving the caller an HDC when we technically can't: */
175 HBITMAP temp_hbitmap;
176 int temp_hbitmap_width;
177 int temp_hbitmap_height;
188 HatchStyle hatchstyle;
198 struct GpPathGradient{
206 REAL* blendfac; /* blend factors */
207 REAL* blendpos; /* blend positions */
209 ARGB *surroundcolors;
210 INT surroundcolorcount;
211 ARGB* pblendcolor; /* preset blend colors */
212 REAL* pblendpos; /* preset blend positions */
217 struct GpLineGradient{
226 REAL* blendfac; /* blend factors */
227 REAL* blendpos; /* blend positions */
229 ARGB* pblendcolor; /* preset blend colors */
230 REAL* pblendpos; /* preset blend positions */
238 GpImageAttributes *imageattributes;
239 BYTE *bitmap_bits; /* image bits converted to ARGB and run through imageattributes */
245 BOOL newfigure; /* whether the next drawing action starts a new figure */
246 INT datalen; /* size of the arrays in pathdata */
249 struct GpPathIterator{
251 INT subpath_pos; /* for NextSubpath methods */
252 INT marker_pos; /* for NextMarker methods */
253 INT pathtype_pos; /* for NextPathType methods */
256 struct GpCustomLineCap{
258 BOOL fill; /* TRUE for fill, FALSE for stroke */
259 GpLineCap cap; /* as far as I can tell, this value is ignored */
260 REAL inset; /* how much to adjust the end of the line */
265 struct GpAdustableArrowCap{
271 IStream *stream; /* source stream */
275 UINT frame_count, current_frame;
276 ColorPalette *palette;
284 MetafileType metafile_type;
286 int preserve_hemf; /* if true, hemf belongs to the app and should not be deleted */
290 GpGraphics *record_graphics;
292 DWORD comment_data_size;
293 DWORD comment_data_length;
296 GpGraphics *playback_graphics;
298 GpPointF playback_points[3];
299 HANDLETABLE *handle_table;
308 ImageLockMode lockmode;
310 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
313 BYTE *bits; /* actual image bits if this is a DIB */
314 INT stride; /* stride of bits if this is a DIB */
315 BYTE *own_bits; /* image bits that need to be freed with this object */
316 INT lockx, locky; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
317 IWICMetadataReader *metadata_reader; /* NULL if there is no metadata */
319 PropertyItem *prop_item; /* cached image properties */
322 struct GpCachedBitmap{
334 ColorMatrixFlags flags;
335 ColorMatrix colormatrix;
336 ColorMatrix graymatrix;
339 struct color_remap_table{
345 struct GpImageAttributes{
349 struct color_key colorkeys[ColorAdjustTypeCount];
350 struct color_matrix colormatrices[ColorAdjustTypeCount];
351 struct color_remap_table colorremaptables[ColorAdjustTypeCount];
352 BOOL gamma_enabled[ColorAdjustTypeCount];
353 REAL gamma[ColorAdjustTypeCount];
357 GpFontFamily *family;
358 OUTLINETEXTMETRICW otm;
359 REAL emSize; /* in font units */
363 struct GpStringFormat{
367 StringAlignment align;
368 StringTrimming trimming;
369 HotkeyPrefix hkprefix;
370 StringAlignment vertalign;
371 StringDigitSubstitute digitsub;
375 CharacterRange *character_ranges;
377 BOOL generic_typographic;
380 struct GpFontCollection{
381 GpFontFamily **FontFamilies;
387 WCHAR FamilyName[LF_FACESIZE];
388 UINT16 em_height, ascent, descent, line_spacing; /* in font units */
393 typedef enum RegionType
395 RegionDataRect = 0x10000000,
396 RegionDataPath = 0x10000001,
397 RegionDataEmptyRect = 0x10000002,
398 RegionDataInfiniteRect = 0x10000003,
401 struct region_element
403 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
420 struct region_element *left; /* the original region */
421 struct region_element *right; /* what *left was combined with */
437 typedef GpStatus (*gdip_format_string_callback)(HDC hdc,
438 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
439 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
440 INT lineno, const RectF *bounds, INT *underlined_indexes,
441 INT underlined_index_count, void *user_data);
443 GpStatus gdip_format_string(HDC hdc,
444 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
445 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, int ignore_empty_clip,
446 gdip_format_string_callback callback, void *user_data) DECLSPEC_HIDDEN;
448 void get_log_fontW(const GpFont *, GpGraphics *, LOGFONTW *) DECLSPEC_HIDDEN;