include/path.h

   1 /*
   2  * Graphics paths (BeginPath, EndPath etc.)
   3  *
   4  * Copyright 1997, 1998 Martin Boehme
   5  */
   6
   7 #ifndef __WINE_PATH_H
   8 #define __WINE_PATH_H
   9
  10 /* It should not be necessary to access the contents of the GdiPath
  11  * structure directly; if you find that the exported functions don't
  12  * allow you to do what you want, then please place a new exported
  13  * function that does this job in path.c.
  14  */
  15
  16 typedef enum tagGdiPathState
  17 {
  18    PATH_Null,
  19    PATH_Open,
  20    PATH_Closed
  21 } GdiPathState;
  22
  23 typedef struct tagGdiPath
  24 {
  25    GdiPathState state;
  26    POINT32      *pPoints;
  27    BYTE         *pFlags;
  28    int          numEntriesUsed, numEntriesAllocated;
  29    BOOL32       newStroke;
  30 } GdiPath;
  31
  32 #define PATH_IsPathOpen(path) ((path).state==PATH_Open)
  33 /* Returns TRUE if the specified path is in the open state, i.e. in the
  34  * state where points will be added to the path, or FALSE otherwise. This
  35  * function is implemented as a macro for performance reasons.
  36  */
  37
  38 extern void   PATH_InitGdiPath(GdiPath *pPath);
  39 extern void   PATH_DestroyGdiPath(GdiPath *pPath);
  40 extern BOOL32 PATH_AssignGdiPath(GdiPath *pPathDest,
  41    const GdiPath *pPathSrc);
  42
  43 extern BOOL32 PATH_MoveTo(HDC32 hdc);
  44 extern BOOL32 PATH_LineTo(HDC32 hdc, INT32 x, INT32 y);
  45 extern BOOL32 PATH_Rectangle(HDC32 hdc, INT32 x1, INT32 y1,
  46    INT32 x2, INT32 y2);
  47 extern BOOL32 PATH_Ellipse(HDC32 hdc, INT32 x1, INT32 y1,
  48    INT32 x2, INT32 y2);
  49 extern BOOL32 PATH_Arc(HDC32 hdc, INT32 x1, INT32 y1, INT32 x2, INT32 y2,
  50    INT32 xStart, INT32 yStart, INT32 xEnd, INT32 yEnd);
  51
  52 #endif /* __WINE_PATH_H */