wine/dlls/gdiplus/gdiplus_private.h

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/*
* Copyright (C) 2007 Google (Evan Stade)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_GP_PRIVATE_H_
#define __WINE_GP_PRIVATE_H_
#include <math.h>
#include <stdarg.h>
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#include "windef.h"
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#include "wingdi.h"
#include "winbase.h"
#include "winuser.h"
#include "objbase.h"
#include "ocidl.h"
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#include "gdiplus.h"
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#define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
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#define MAX_ARC_PTS (13)
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#define MAX_DASHLEN (16) /* this is a limitation of gdi */
#define INCH_HIMETRIC (2540)
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#define VERSION_MAGIC 0xdbc01001
#define TENSION_CONST (0.3)
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COLORREF ARGB2COLORREF(ARGB color);
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extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
REAL startAngle, REAL sweepAngle);
extern REAL gdiplus_atan2(REAL dy, REAL dx);
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extern GpStatus hresult_to_status(HRESULT res);
extern REAL convert_unit(HDC hdc, GpUnit unit);
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extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
REAL *y1, REAL *x2, REAL *y2);
extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
REAL tension, REAL *x, REAL *y);
extern BOOL lengthen_path(GpPath *path, INT len);
extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
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typedef struct region_element region_element;
extern inline void delete_element(region_element *element);
static inline INT roundr(REAL x)
{
return (INT) floorf(x + 0.5);
}
static inline REAL deg2rad(REAL degrees)
{
return M_PI * degrees / 180.0;
}
extern const char *debugstr_rectf(CONST RectF* rc);
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struct GpPen{
UINT style;
GpUnit unit;
REAL width;
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GpLineCap endcap;
GpLineCap startcap;
GpDashCap dashcap;
GpCustomLineCap *customstart;
GpCustomLineCap *customend;
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GpLineJoin join;
REAL miterlimit;
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GpDashStyle dash;
REAL *dashes;
INT numdashes;
REAL offset; /* dash offset */
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GpBrush *brush;
GpPenAlignment align;
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};
struct GpGraphics{
HDC hdc;
HWND hwnd;
BOOL owndc;
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SmoothingMode smoothing;
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CompositingQuality compqual;
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InterpolationMode interpolation;
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PixelOffsetMode pixeloffset;
CompositingMode compmode;
TextRenderingHint texthint;
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GpUnit unit; /* page unit */
REAL scale; /* page scale */
GpMatrix * worldtrans; /* world transform */
BOOL busy; /* hdc handle obtained by GdipGetDC */
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GpRegion *clip;
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UINT textcontrast; /* not used yet. get/set only */
};
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struct GpBrush{
HBRUSH gdibrush;
GpBrushType bt;
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LOGBRUSH lb;
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};
struct GpHatch{
GpBrush brush;
HatchStyle hatchstyle;
ARGB forecol;
ARGB backcol;
};
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struct GpSolidFill{
GpBrush brush;
ARGB color;
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};
struct GpPathGradient{
GpBrush brush;
PathData pathdata;
ARGB centercolor;
GpWrapMode wrap;
BOOL gamma;
GpPointF center;
GpPointF focus;
REAL* blendfac; /* blend factors */
REAL* blendpos; /* blend positions */
INT blendcount;
};
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struct GpLineGradient{
GpBrush brush;
GpPointF startpoint;
GpPointF endpoint;
ARGB startcolor;
ARGB endcolor;
RectF rect;
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GpWrapMode wrap;
BOOL gamma;
REAL* blendfac; /* blend factors */
REAL* blendpos; /* blend positions */
INT blendcount;
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};
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struct GpTexture{
GpBrush brush;
GpMatrix *transform;
WrapMode wrap; /* not used yet */
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};
struct GpPath{
GpFillMode fill;
GpPathData pathdata;
BOOL newfigure; /* whether the next drawing action starts a new figure */
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INT datalen; /* size of the arrays in pathdata */
};
struct GpMatrix{
REAL matrix[6];
};
struct GpPathIterator{
GpPathData pathdata;
INT subpath_pos; /* for NextSubpath methods */
INT marker_pos; /* for NextMarker methods */
INT pathtype_pos; /* for NextPathType methods */
};
struct GpCustomLineCap{
GpPathData pathdata;
BOOL fill; /* TRUE for fill, FALSE for stroke */
GpLineCap cap; /* as far as I can tell, this value is ignored */
REAL inset; /* how much to adjust the end of the line */
GpLineJoin join;
REAL scale;
};
struct GpAdustableArrowCap{
GpCustomLineCap cap;
};
struct GpImage{
IPicture* picture;
ImageType type;
UINT flags;
};
struct GpMetafile{
GpImage image;
GpRectF bounds;
GpUnit unit;
};
struct GpBitmap{
GpImage image;
INT width;
INT height;
PixelFormat format;
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ImageLockMode lockmode;
INT numlocks;
BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
};
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struct GpCachedBitmap{
GpImage *image;
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};
struct GpImageAttributes{
WrapMode wrap;
};
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struct GpFont{
LOGFONTW lfw;
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REAL emSize;
UINT height;
LONG line_spacing;
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Unit unit;
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};
struct GpStringFormat{
INT attr;
LANGID lang;
LANGID digitlang;
StringAlignment align;
StringTrimming trimming;
HotkeyPrefix hkprefix;
StringAlignment vertalign;
StringDigitSubstitute digitsub;
INT tabcount;
REAL firsttab;
REAL *tabs;
};
struct GpFontCollection{
GpFontFamily **FontFamilies;
INT count;
};
struct GpFontFamily{
NEWTEXTMETRICW tmw;
WCHAR FamilyName[LF_FACESIZE];
};
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/* internal use */
typedef enum RegionType
{
RegionDataRect = 0x10000000,
RegionDataPath = 0x10000001,
RegionDataEmptyRect = 0x10000002,
RegionDataInfiniteRect = 0x10000003,
} RegionType;
struct region_element
{
DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
union
{
GpRectF rect;
struct
{
GpPath* path;
struct
{
DWORD size;
DWORD magic;
DWORD count;
DWORD flags;
} pathheader;
} pathdata;
struct
{
struct region_element *left; /* the original region */
struct region_element *right; /* what *left was combined with */
} combine;
} elementdata;
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};
struct GpRegion{
struct
{
DWORD size;
DWORD checksum;
DWORD magic;
DWORD num_children;
} header;
region_element node;
};
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#endif