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);
45 HBITMAP ARGB2BMP(ARGB color);
46 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
47 REAL startAngle, REAL sweepAngle);
48 extern REAL gdiplus_atan2(REAL dy, REAL dx);
49 extern GpStatus hresult_to_status(HRESULT res);
50 extern REAL convert_unit(HDC hdc, GpUnit unit);
52 extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
53 REAL *y1, REAL *x2, REAL *y2);
54 extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
55 REAL tension, REAL *x, REAL *y);
57 extern void free_installed_fonts(void);
59 extern BOOL lengthen_path(GpPath *path, INT len);
61 extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
63 typedef struct region_element region_element;
64 extern void delete_element(region_element *element);
66 static inline INT roundr(REAL x)
68 return (INT) floorf(x + 0.5);
71 static inline INT ceilr(REAL x)
73 return (INT) ceilf(x);
76 static inline REAL deg2rad(REAL degrees)
78 return M_PI * degrees / 180.0;
81 static inline ARGB color_over(ARGB bg, ARGB fg)
84 BYTE bg_alpha, fg_alpha;
86 fg_alpha = (fg>>24)&0xff;
88 if (fg_alpha == 0xff) return fg;
90 if (fg_alpha == 0) return bg;
92 bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
94 if (bg_alpha == 0) return fg;
96 a = bg_alpha + fg_alpha;
97 b = ((bg&0xff)*bg_alpha + (fg&0xff)*fg_alpha)/a;
98 g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*fg_alpha)/a;
99 r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*fg_alpha)/a;
101 return (a<<24)|(r<<16)|(g<<8)|b;
104 extern const char *debugstr_rectf(CONST RectF* rc);
106 extern const char *debugstr_pointf(CONST PointF* pt);
108 extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
109 BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride);
111 extern GpStatus convert_pixels(UINT width, UINT height,
112 INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
113 INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette);
122 GpCustomLineCap *customstart;
123 GpCustomLineCap *customend;
129 REAL offset; /* dash offset */
131 GpPenAlignment align;
139 SmoothingMode smoothing;
140 CompositingQuality compqual;
141 InterpolationMode interpolation;
142 PixelOffsetMode pixeloffset;
143 CompositingMode compmode;
144 TextRenderingHint texthint;
145 GpUnit unit; /* page unit */
146 REAL scale; /* page scale */
147 GpMatrix * worldtrans; /* world transform */
148 BOOL busy; /* hdc handle obtained by GdipGetDC */
150 UINT textcontrast; /* not used yet. get/set only */
151 struct list containers;
152 GraphicsContainer contid; /* last-issued container ID */
163 HatchStyle hatchstyle;
174 struct GpPathGradient{
182 REAL* blendfac; /* blend factors */
183 REAL* blendpos; /* blend positions */
187 struct GpLineGradient{
196 REAL* blendfac; /* blend factors */
197 REAL* blendpos; /* blend positions */
199 ARGB* pblendcolor; /* preset blend colors */
200 REAL* pblendpos; /* preset blend positions */
208 WrapMode wrap; /* not used yet */
214 BOOL newfigure; /* whether the next drawing action starts a new figure */
215 INT datalen; /* size of the arrays in pathdata */
222 struct GpPathIterator{
224 INT subpath_pos; /* for NextSubpath methods */
225 INT marker_pos; /* for NextMarker methods */
226 INT pathtype_pos; /* for NextPathType methods */
229 struct GpCustomLineCap{
231 BOOL fill; /* TRUE for fill, FALSE for stroke */
232 GpLineCap cap; /* as far as I can tell, this value is ignored */
233 REAL inset; /* how much to adjust the end of the line */
238 struct GpAdustableArrowCap{
250 ARGB *palette_entries;
265 ImageLockMode lockmode;
267 BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
270 BYTE *bits; /* actual image bits if this is a DIB */
271 INT stride; /* stride of bits if this is a DIB */
274 struct GpCachedBitmap{
286 ColorMatrixFlags flags;
287 ColorMatrix colormatrix;
288 ColorMatrix graymatrix;
291 struct color_remap_table{
294 GDIPCONST ColorMap *colormap;
297 struct GpImageAttributes{
301 struct color_key colorkeys[ColorAdjustTypeCount];
302 struct color_matrix colormatrices[ColorAdjustTypeCount];
303 struct color_remap_table colorremaptables[ColorAdjustTypeCount];
304 BOOL gamma_enabled[ColorAdjustTypeCount];
305 REAL gamma[ColorAdjustTypeCount];
316 struct GpStringFormat{
320 StringAlignment align;
321 StringTrimming trimming;
322 HotkeyPrefix hkprefix;
323 StringAlignment vertalign;
324 StringDigitSubstitute digitsub;
328 CharacterRange *character_ranges;
332 struct GpFontCollection{
333 GpFontFamily **FontFamilies;
340 WCHAR FamilyName[LF_FACESIZE];
344 typedef enum RegionType
346 RegionDataRect = 0x10000000,
347 RegionDataPath = 0x10000001,
348 RegionDataEmptyRect = 0x10000002,
349 RegionDataInfiniteRect = 0x10000003,
352 struct region_element
354 DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
371 struct region_element *left; /* the original region */
372 struct region_element *right; /* what *left was combined with */