Sweden-Number/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"
#include "wincodecsdk.h"
#include "wine/heap.h"
#include "wine/list.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 VERSION_MAGIC2 0xdbc01002
#define VALID_MAGIC(x) (((x) & 0xfffff000) == 0xdbc01000)
#define TENSION_CONST (0.3)
#define GIF_DISPOSE_UNSPECIFIED 0
#define GIF_DISPOSE_DO_NOT_DISPOSE 1
#define GIF_DISPOSE_RESTORE_TO_BKGND 2
#define GIF_DISPOSE_RESTORE_TO_PREV 3
COLORREF ARGB2COLORREF(ARGB color) DECLSPEC_HIDDEN;
HBITMAP ARGB2BMP(ARGB color) DECLSPEC_HIDDEN;
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extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
REAL startAngle, REAL sweepAngle) DECLSPEC_HIDDEN;
extern REAL gdiplus_atan2(REAL dy, REAL dx) DECLSPEC_HIDDEN;
extern GpStatus hresult_to_status(HRESULT res) DECLSPEC_HIDDEN;
extern REAL units_to_pixels(REAL units, GpUnit unit, REAL dpi) DECLSPEC_HIDDEN;
extern REAL pixels_to_units(REAL pixels, GpUnit unit, REAL dpi) DECLSPEC_HIDDEN;
extern REAL units_scale(GpUnit from, GpUnit to, REAL dpi) DECLSPEC_HIDDEN;
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#define WineCoordinateSpaceGdiDevice ((GpCoordinateSpace)4)
extern GpStatus gdi_transform_acquire(GpGraphics *graphics);
extern GpStatus gdi_transform_release(GpGraphics *graphics);
extern GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
GpCoordinateSpace src_space, GpMatrix *matrix) DECLSPEC_HIDDEN;
extern GpStatus gdip_transform_points(GpGraphics *graphics, GpCoordinateSpace dst_space,
GpCoordinateSpace src_space, GpPointF *points, INT count) DECLSPEC_HIDDEN;
extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics) DECLSPEC_HIDDEN;
extern GpStatus encode_image_png(GpImage *image, IStream* stream, GDIPCONST EncoderParameters* params) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_ReleaseDC(GpMetafile* metafile, HDC hdc) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GraphicsClear(GpMetafile* metafile, ARGB color) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_FillRectangles(GpMetafile* metafile, GpBrush* brush,
GDIPCONST GpRectF* rects, INT count) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_SetClipRect(GpMetafile* metafile,
REAL x, REAL y, REAL width, REAL height, CombineMode mode) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_SetClipRegion(GpMetafile* metafile, GpRegion* region, CombineMode mode) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_SetPageTransform(GpMetafile* metafile, GpUnit unit, REAL scale) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_SetWorldTransform(GpMetafile* metafile, GDIPCONST GpMatrix* transform) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_ScaleWorldTransform(GpMetafile* metafile, REAL sx, REAL sy, MatrixOrder order) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_MultiplyWorldTransform(GpMetafile* metafile, GDIPCONST GpMatrix* matrix, MatrixOrder order) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_RotateWorldTransform(GpMetafile* metafile, REAL angle, MatrixOrder order) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_TranslateWorldTransform(GpMetafile* metafile, REAL dx, REAL dy, MatrixOrder order) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_ResetWorldTransform(GpMetafile* metafile) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_BeginContainer(GpMetafile* metafile, GDIPCONST GpRectF *dstrect,
GDIPCONST GpRectF *srcrect, GpUnit unit, DWORD StackIndex) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_BeginContainerNoParams(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_EndContainer(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_SaveGraphics(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_RestoreGraphics(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_GraphicsDeleted(GpMetafile* metafile) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_DrawImagePointsRect(GpMetafile* metafile, GpImage *image,
GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
DrawImageAbort callback, VOID *callbackData) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_AddSimpleProperty(GpMetafile *metafile, SHORT prop, SHORT val) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_DrawPath(GpMetafile *metafile, GpPen *pen, GpPath *path) DECLSPEC_HIDDEN;
extern GpStatus METAFILE_FillPath(GpMetafile *metafile, GpBrush *brush, GpPath *path) DECLSPEC_HIDDEN;
extern void METAFILE_Free(GpMetafile *metafile) DECLSPEC_HIDDEN;
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extern void calc_curve_bezier(const GpPointF *pts, REAL tension, REAL *x1,
REAL *y1, REAL *x2, REAL *y2) DECLSPEC_HIDDEN;
extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
REAL tension, REAL *x, REAL *y) DECLSPEC_HIDDEN;
extern void free_installed_fonts(void) DECLSPEC_HIDDEN;
extern BOOL lengthen_path(GpPath *path, INT len) DECLSPEC_HIDDEN;
extern DWORD write_region_data(const GpRegion *region, void *data) DECLSPEC_HIDDEN;
extern DWORD write_path_data(GpPath *path, void *data) DECLSPEC_HIDDEN;
extern GpStatus trace_path(GpGraphics *graphics, GpPath *path) DECLSPEC_HIDDEN;
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typedef struct region_element region_element;
extern void delete_element(region_element *element) DECLSPEC_HIDDEN;
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extern GpStatus get_hatch_data(GpHatchStyle hatchstyle, const char **result) DECLSPEC_HIDDEN;
static inline INT gdip_round(REAL x)
{
return (INT) floorf(x + 0.5);
}
static inline INT ceilr(REAL x)
{
return (INT) ceilf(x);
}
static inline REAL deg2rad(REAL degrees)
{
return M_PI * degrees / 180.0;
}
static inline ARGB color_over(ARGB bg, ARGB fg)
{
BYTE b, g, r, a;
BYTE bg_alpha, fg_alpha;
fg_alpha = (fg>>24)&0xff;
if (fg_alpha == 0xff) return fg;
if (fg_alpha == 0) return bg;
bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
if (bg_alpha == 0) return fg;
a = bg_alpha + fg_alpha;
b = ((bg&0xff)*bg_alpha + (fg&0xff)*fg_alpha)/a;
g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*fg_alpha)/a;
r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*fg_alpha)/a;
return (a<<24)|(r<<16)|(g<<8)|b;
}
/* fg is premult, bg and return value are not */
static inline ARGB color_over_fgpremult(ARGB bg, ARGB fg)
{
BYTE b, g, r, a;
BYTE bg_alpha, fg_alpha;
fg_alpha = (fg>>24)&0xff;
if (fg_alpha == 0) return bg;
bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
a = bg_alpha + fg_alpha;
b = ((bg&0xff)*bg_alpha + (fg&0xff)*0xff)/a;
g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*0xff)/a;
r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*0xff)/a;
return (a<<24)|(r<<16)|(g<<8)|b;
}
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extern const char *debugstr_rectf(const RectF* rc) DECLSPEC_HIDDEN;
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extern const char *debugstr_pointf(const PointF* pt) DECLSPEC_HIDDEN;
extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride) DECLSPEC_HIDDEN;
extern GpStatus convert_pixels(INT width, INT height,
INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
INT src_stride, const BYTE *src_bits, PixelFormat src_format, ColorPalette *palette) DECLSPEC_HIDDEN;
extern PixelFormat apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
UINT width, UINT height, INT stride, ColorAdjustType type, PixelFormat fmt) DECLSPEC_HIDDEN;
struct GpMatrix{
REAL matrix[6];
};
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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;
GpMatrix transform;
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};
struct GpGraphics{
HDC hdc;
HWND hwnd;
BOOL owndc;
BOOL alpha_hdc;
GpImage *image;
ImageType image_type;
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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 */
REAL xres, yres;
GpMatrix worldtrans; /* world transform */
BOOL busy; /* hdc handle obtained by GdipGetDC */
GpRegion *clip; /* in device coords */
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UINT textcontrast; /* not used yet. get/set only */
struct list containers;
GraphicsContainer contid; /* last-issued container ID */
INT origin_x, origin_y;
INT gdi_transform_acquire_count, gdi_transform_save;
GpMatrix gdi_transform;
HRGN gdi_clip;
/* For giving the caller an HDC when we technically can't: */
HBITMAP temp_hbitmap;
int temp_hbitmap_width;
int temp_hbitmap_height;
BYTE *temp_bits;
HDC temp_hdc;
};
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struct GpBrush{
GpBrushType bt;
};
struct GpHatch{
GpBrush brush;
GpHatchStyle hatchstyle;
ARGB forecol;
ARGB backcol;
};
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struct GpSolidFill{
GpBrush brush;
ARGB color;
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};
struct GpPathGradient{
GpBrush brush;
GpPath* path;
ARGB centercolor;
GpWrapMode wrap;
BOOL gamma;
GpPointF center;
GpPointF focus;
REAL* blendfac; /* blend factors */
REAL* blendpos; /* blend positions */
INT blendcount;
ARGB *surroundcolors;
INT surroundcolorcount;
ARGB* pblendcolor; /* preset blend colors */
REAL* pblendpos; /* preset blend positions */
INT pblendcount;
GpMatrix transform;
};
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struct GpLineGradient{
GpBrush brush;
ARGB startcolor;
ARGB endcolor;
RectF rect;
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GpWrapMode wrap;
BOOL gamma;
REAL* blendfac; /* blend factors */
REAL* blendpos; /* blend positions */
INT blendcount;
ARGB* pblendcolor; /* preset blend colors */
REAL* pblendpos; /* preset blend positions */
INT pblendcount;
GpMatrix transform;
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};
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struct GpTexture{
GpBrush brush;
GpMatrix transform;
GpImage *image;
GpImageAttributes *imageattributes;
BYTE *bitmap_bits; /* image bits converted to ARGB and run through imageattributes */
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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 GpPathIterator{
GpPathData pathdata;
INT subpath_pos; /* for NextSubpath methods */
INT marker_pos; /* for NextMarker methods */
INT pathtype_pos; /* for NextPathType methods */
};
struct GpCustomLineCap{
CustomLineCapType type;
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 GpAdjustableArrowCap{
GpCustomLineCap cap;
REAL middle_inset;
REAL height;
REAL width;
};
struct GpImage{
IWICBitmapDecoder *decoder;
ImageType type;
GUID format;
UINT flags;
UINT frame_count, current_frame;
ColorPalette *palette;
REAL xres, yres;
LONG busy;
};
#define EmfPlusObjectTableSize 64
typedef enum EmfPlusObjectType
{
ObjectTypeInvalid,
ObjectTypeBrush,
ObjectTypePen,
ObjectTypePath,
ObjectTypeRegion,
ObjectTypeImage,
ObjectTypeFont,
ObjectTypeStringFormat,
ObjectTypeImageAttributes,
ObjectTypeCustomLineCap,
ObjectTypeMax = ObjectTypeCustomLineCap,
} EmfPlusObjectType;
/* Deserialized EmfPlusObject record. */
struct emfplus_object {
EmfPlusObjectType type;
union {
GpBrush *brush;
GpPen *pen;
GpPath *path;
GpRegion *region;
GpImage *image;
GpFont *font;
GpImageAttributes *image_attributes;
void *object;
} u;
};
struct GpMetafile{
GpImage image;
GpRectF bounds;
GpUnit unit;
MetafileType metafile_type;
HENHMETAFILE hemf;
int preserve_hemf; /* if true, hemf belongs to the app and should not be deleted */
/* recording */
HDC record_dc;
GpGraphics *record_graphics;
BYTE *comment_data;
DWORD comment_data_size;
DWORD comment_data_length;
IStream *record_stream;
BOOL auto_frame; /* If true, determine the frame automatically */
GpPointF auto_frame_min, auto_frame_max;
DWORD next_object_id;
/* playback */
GpGraphics *playback_graphics;
HDC playback_dc;
GpPointF playback_points[3];
GpRectF src_rect;
HANDLETABLE *handle_table;
int handle_count;
XFORM gdiworldtransform;
GpMatrix *world_transform;
GpUnit page_unit;
REAL page_scale;
GpRegion *base_clip; /* clip region in device space for all metafile output */
GpRegion *clip; /* clip region within the metafile */
struct list containers;
struct emfplus_object objtable[EmfPlusObjectTableSize];
};
struct GpBitmap{
GpImage image;
INT width;
INT height;
PixelFormat format;
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ImageLockMode lockmode;
BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
HBITMAP hbitmap;
HDC hdc;
BYTE *bits; /* actual image bits if this is a DIB */
INT stride; /* stride of bits if this is a DIB */
BYTE *own_bits; /* image bits that need to be freed with this object */
INT lockx, locky; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
IWICMetadataReader *metadata_reader; /* NULL if there is no metadata */
UINT prop_count;
PropertyItem *prop_item; /* cached image properties */
};
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struct GpCachedBitmap{
GpImage *image;
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};
struct color_key{
BOOL enabled;
ARGB low;
ARGB high;
};
struct color_matrix{
BOOL enabled;
ColorMatrixFlags flags;
ColorMatrix colormatrix;
ColorMatrix graymatrix;
};
struct color_remap_table{
BOOL enabled;
INT mapsize;
ColorMap *colormap;
};
enum imageattr_noop{
IMAGEATTR_NOOP_UNDEFINED,
IMAGEATTR_NOOP_SET,
IMAGEATTR_NOOP_CLEAR,
};
struct GpImageAttributes{
WrapMode wrap;
ARGB outside_color;
BOOL clamp;
struct color_key colorkeys[ColorAdjustTypeCount];
struct color_matrix colormatrices[ColorAdjustTypeCount];
struct color_remap_table colorremaptables[ColorAdjustTypeCount];
BOOL gamma_enabled[ColorAdjustTypeCount];
REAL gamma[ColorAdjustTypeCount];
enum imageattr_noop noop[ColorAdjustTypeCount];
};
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struct GpFont{
GpFontFamily *family;
OUTLINETEXTMETRICW otm;
REAL emSize; /* in font units */
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Unit unit;
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};
extern const struct GpStringFormat default_drawstring_format DECLSPEC_HIDDEN;
struct GpStringFormat{
INT attr;
LANGID lang;
LANGID digitlang;
StringAlignment align;
StringTrimming trimming;
HotkeyPrefix hkprefix;
StringAlignment line_align;
StringDigitSubstitute digitsub;
INT tabcount;
REAL firsttab;
REAL *tabs;
CharacterRange *character_ranges;
INT range_count;
BOOL generic_typographic;
};
extern void init_generic_string_formats(void) DECLSPEC_HIDDEN;
extern void free_generic_string_formats(void) DECLSPEC_HIDDEN;
struct GpFontCollection{
GpFontFamily **FontFamilies;
INT count;
INT allocated;
};
struct GpFontFamily{
WCHAR FamilyName[LF_FACESIZE];
UINT16 em_height, ascent, descent, line_spacing; /* in font units */
int dpi;
};
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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;
GpPath *path;
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{
DWORD num_children;
region_element node;
};
struct memory_buffer
{
const BYTE *buffer;
INT size, pos;
};
static inline void init_memory_buffer(struct memory_buffer *mbuf, const BYTE *buffer, INT size)
{
mbuf->buffer = buffer;
mbuf->size = size;
mbuf->pos = 0;
}
static inline const void *buffer_read(struct memory_buffer *mbuf, INT size)
{
if (mbuf->size - mbuf->pos >= size)
{
const void *data = mbuf->buffer + mbuf->pos;
mbuf->pos += size;
return data;
}
return NULL;
}
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typedef GpStatus (*gdip_format_string_callback)(HDC hdc,
GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
INT lineno, const RectF *bounds, INT *underlined_indexes,
INT underlined_index_count, void *user_data);
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GpStatus gdip_format_string(HDC hdc,
GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, int ignore_empty_clip,
gdip_format_string_callback callback, void *user_data) DECLSPEC_HIDDEN;
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void get_log_fontW(const GpFont *, GpGraphics *, LOGFONTW *) DECLSPEC_HIDDEN;
static inline BOOL image_lock(GpImage *image, BOOL *unlock)
{
LONG tid = GetCurrentThreadId(), owner_tid;
owner_tid = InterlockedCompareExchange(&image->busy, tid, 0);
*unlock = !owner_tid;
return !owner_tid || owner_tid==tid;
}
static inline void image_unlock(GpImage *image, BOOL unlock)
{
if (unlock) image->busy = 0;
}
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#endif