Shamusworld >> Repos - ttedit/blob - src/glyphpoints.h

   1 //\r
   2 // glyphpoints.h\r
   3 //\r
   4 // by James L. Hammons\r
   5 //\r
   6 // This class encapsulates the data associated with a TrueType glyph.\r
   7 // Data is dynamically allocated.\r
   8 //\r
   9 \r
  10 #ifndef __GLYPHPOINTS_H__\r
  11 #define __GLYPHPOINTS_H__\r
  12 \r
  13 #include "types.h"\r
  14 \r
  15 \r
  16 struct IPoint\r
  17 {\r
  18         int32 x, y;\r
  19         bool onCurve;\r
  20 \r
  21         IPoint(int32 xx=0, int32 yy=0, bool oc=true): x(xx), y(yy), onCurve(oc) {}\r
  22 };\r
  23 \r
  24 // Throws the following exceptions:\r
  25 #define GP_OUT_OF_RANGE  1\r
  26 \r
  27 class GlyphPoints\r
  28 {\r
  29         public:\r
  30 //For some reason, gcc barfs here when something tries to use the copy\r
  31 //constructor because it gets confused between the optional arguments (which\r
  32 //start with an INT for cryin' out loud) and the GlyphPoints & argument. So,\r
  33 //Let's try making it a non-optional first param, and go from there...\r
  34 //Turns out the compiler barfs regardless...\r
  35 //Turns out the problem was that the copy ctor wasn't declared as CONST...\r
  36                 GlyphPoints(int nPts = 0, int nPlys = 0, int * xa = NULL, int * ya = NULL,\r
  37                         bool * oca = NULL, uint16 * pa = NULL);\r
  38 //              GlyphPoints(void);// And now *this* is needed... Bleah!\r
  39 //              GlyphPoints(int nPts, int nPlys = 0, int * xa = NULL, int * ya = NULL,\r
  40 //                      bool * oca = NULL, uint16 * pa = NULL);\r
  41                 GlyphPoints(int xx, int yy, bool oc);\r
  42 //              GlyphPoints(GlyphPoints &);                             // Copy constructor\r
  43                 GlyphPoints(const GlyphPoints &);                               // Copy constructor\r
  44                 ~GlyphPoints();\r
  45                 GlyphPoints& operator=(const GlyphPoints &);\r
  46                 GlyphPoints operator+(const GlyphPoints &);\r
  47                 GlyphPoints operator+(const IPoint &);\r
  48                 GlyphPoints& operator+=(const IPoint &);\r
  49                 void InsertPoint(uint16, int, int, bool);\r
  50                 void InsertPoint(uint16, const IPoint &);\r
  51                 void DeletePoint(uint16);\r
  52                 uint16 GetNumPoints(void);\r
  53                 uint16 GetNumPoints(uint16);\r
  54                 uint16 GetNumPolys(void);\r
  55                 int GetX(uint16);\r
  56                 int GetY(uint16);\r
  57                 bool GetOnCurve(uint16);\r
  58                 int GetX(uint16, uint16);\r
  59                 int GetY(uint16, uint16);\r
  60                 bool GetOnCurve(uint16, uint16);\r
  61                 uint16 GetPolyEnd(uint16);\r
  62                 void OffsetPoints(int, int);\r
  63                 void OffsetPoly(uint16, int32, int32);\r
  64                 void ScalePoints(float);\r
  65                 void SetXY(uint16, int, int);\r
  66                 void SetOnCurve(uint16, bool);\r
  67                 uint16 GetPrev(uint16);\r
  68                 uint16 GetNext(uint16);\r
  69                 uint16 GetPrev(uint16, uint16);\r
  70                 uint16 GetNext(uint16, uint16);\r
  71                 uint16 GetPoly(uint16);\r
  72                 void AddNewPolyAtEnd(void);\r
  73 \r
  74         private:\r
  75                 void AllocateAndCopy(int, int, int *, int *, bool *, uint16 *);\r
  76 \r
  77         private:\r
  78                 int numPoints, numPolys;\r
  79                 int * x, * y;\r
  80                 bool * onCurve;\r
  81                 uint16 * polyEnd;\r
  82                 uint16 pointsAllocated, polysAllocated;\r
  83 };\r
  84 \r
  85 #endif  // __GLYPHPOINTS_H__\r