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 "wine/list.h"
36 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
37 #define MAX_ARC_PTS (13)
38 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
39 #define INCH_HIMETRIC (2540)
41 #define VERSION_MAGIC 0xdbc01001
42 #define TENSION_CONST (0.3)
44 COLORREF ARGB2COLORREF(ARGB color) DECLSPEC_HIDDEN;
45 HBITMAP ARGB2BMP(ARGB color) DECLSPEC_HIDDEN;
46 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
47 REAL startAngle, REAL sweepAngle) DECLSPEC_HIDDEN;
48 extern REAL gdiplus_atan2(REAL dy, REAL dx) DECLSPEC_HIDDEN;
49 extern GpStatus hresult_to_status(HRESULT res) DECLSPEC_HIDDEN;
50 extern REAL convert_unit(REAL logpixels, GpUnit unit) DECLSPEC_HIDDEN;
52 extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics) DECLSPEC_HIDDEN;
54 extern GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result) DECLSPEC_HIDDEN;
55 extern GpStatus METAFILE_GraphicsDeleted(GpMetafile* metafile) DECLSPEC_HIDDEN;
57 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
58 REAL *y1, REAL *x2, REAL *y2) DECLSPEC_HIDDEN;
59 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
60 REAL tension, REAL *x, REAL *y) DECLSPEC_HIDDEN;
62 extern void free_installed_fonts(void) DECLSPEC_HIDDEN;
64 extern void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font, HFONT *hfont) DECLSPEC_HIDDEN;
66 extern BOOL lengthen_path(GpPath *path, INT len) DECLSPEC_HIDDEN;
68 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path) DECLSPEC_HIDDEN;
70 typedef struct region_element region_element;
71 extern void delete_element(region_element *element) DECLSPEC_HIDDEN;
73 extern GpStatus get_hatch_data(HatchStyle hatchstyle, const char **result) DECLSPEC_HIDDEN;
75 static inline INT roundr(REAL x)
77 return (INT) floorf(x + 0.5);
80 static inline INT ceilr(REAL x)
82 return (INT) ceilf(x);
85 static inline REAL deg2rad(REAL degrees)
87 return M_PI * degrees / 180.0;
90 static inline ARGB color_over(ARGB bg, ARGB fg)
93 BYTE bg_alpha, fg_alpha;
95 fg_alpha = (fg>>24)&0xff;
97 if (fg_alpha == 0xff) return fg;
99 if (fg_alpha == 0) return bg;
101 bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
103 if (bg_alpha == 0) return fg;
105 a = bg_alpha + fg_alpha;
106 b = ((bg&0xff)*bg_alpha + (fg&0xff)*fg_alpha)/a;
107 g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*fg_alpha)/a;
108 r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*fg_alpha)/a;
110 return (a<<24)|(r<<16)|(g<<8)|b;
113 extern const char *debugstr_rectf(CONST RectF* rc) DECLSPEC_HIDDEN;
115 extern const char *debugstr_pointf(CONST PointF* pt) DECLSPEC_HIDDEN;
117 extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
118 BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride) DECLSPEC_HIDDEN;
120 extern GpStatus convert_pixels(INT width, INT height,
121 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
122 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette) DECLSPEC_HIDDEN;
131 GpCustomLineCap *customstart;
132 GpCustomLineCap *customend;
138 REAL offset; /* dash offset */
140 GpPenAlignment align;
148 SmoothingMode smoothing;
149 CompositingQuality compqual;
150 InterpolationMode interpolation;
151 PixelOffsetMode pixeloffset;
152 CompositingMode compmode;
153 TextRenderingHint texthint;
154 GpUnit unit; /* page unit */
155 REAL scale; /* page scale */
156 GpMatrix * worldtrans; /* world transform */
157 BOOL busy; /* hdc handle obtained by GdipGetDC */
159 UINT textcontrast; /* not used yet. get/set only */
160 struct list containers;
161 GraphicsContainer contid; /* last-issued container ID */
162 /* For giving the caller an HDC when we technically can't: */
163 HBITMAP temp_hbitmap;
164 int temp_hbitmap_width;
165 int temp_hbitmap_height;
178 HatchStyle hatchstyle;
189 struct GpPathGradient{
197 REAL* blendfac; /* blend factors */
198 REAL* blendpos; /* blend positions */
202 struct GpLineGradient{
211 REAL* blendfac; /* blend factors */
212 REAL* blendpos; /* blend positions */
214 ARGB* pblendcolor; /* preset blend colors */
215 REAL* pblendpos; /* preset blend positions */
223 GpImageAttributes *imageattributes;
224 BYTE *bitmap_bits; /* image bits converted to ARGB and run through imageattributes */
230 BOOL newfigure; /* whether the next drawing action starts a new figure */
231 INT datalen; /* size of the arrays in pathdata */
238 struct GpPathIterator{
240 INT subpath_pos; /* for NextSubpath methods */
241 INT marker_pos; /* for NextMarker methods */
242 INT pathtype_pos; /* for NextPathType methods */
245 struct GpCustomLineCap{
247 BOOL fill; /* TRUE for fill, FALSE for stroke */
248 GpLineCap cap; /* as far as I can tell, this value is ignored */
249 REAL inset; /* how much to adjust the end of the line */
254 struct GpAdustableArrowCap{
266 ARGB *palette_entries;
274 MetafileType metafile_type;
276 GpGraphics *record_graphics;
278 DWORD comment_data_size;
279 DWORD comment_data_length;
288 ImageLockMode lockmode;
290 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
293 BYTE *bits; /* actual image bits if this is a DIB */
294 INT stride; /* stride of bits if this is a DIB */
295 BYTE *own_bits; /* image bits that need to be freed with this object */
296 INT lockx, locky; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
299 struct GpCachedBitmap{
311 ColorMatrixFlags flags;
312 ColorMatrix colormatrix;
313 ColorMatrix graymatrix;
316 struct color_remap_table{
319 GDIPCONST ColorMap *colormap;
322 struct GpImageAttributes{
326 struct color_key colorkeys[ColorAdjustTypeCount];
327 struct color_matrix colormatrices[ColorAdjustTypeCount];
328 struct color_remap_table colorremaptables[ColorAdjustTypeCount];
329 BOOL gamma_enabled[ColorAdjustTypeCount];
330 REAL gamma[ColorAdjustTypeCount];
342 struct GpStringFormat{
346 StringAlignment align;
347 StringTrimming trimming;
348 HotkeyPrefix hkprefix;
349 StringAlignment vertalign;
350 StringDigitSubstitute digitsub;
354 CharacterRange *character_ranges;
358 struct GpFontCollection{
359 GpFontFamily **FontFamilies;
366 WCHAR FamilyName[LF_FACESIZE];
370 typedef enum RegionType
372 RegionDataRect = 0x10000000,
373 RegionDataPath = 0x10000001,
374 RegionDataEmptyRect = 0x10000002,
375 RegionDataInfiniteRect = 0x10000003,
378 struct region_element
380 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
397 struct region_element *left; /* the original region */
398 struct region_element *right; /* what *left was combined with */
414 typedef GpStatus (*gdip_format_string_callback)(HDC hdc,
415 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
416 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
417 INT lineno, const RectF *bounds, void *user_data);
419 GpStatus gdip_format_string(HDC hdc,
420 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
421 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
422 gdip_format_string_callback callback, void *user_data) DECLSPEC_HIDDEN;