reactos/lib/3rdparty/freetype/src/cff/cf2stack.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  cf2stack.h                                                             */
   4 /*                                                                         */
   5 /*    Adobe's code for emulating a CFF stack (specification).              */
   6 /*                                                                         */
   7 /*  Copyright 2007-2013 Adobe Systems Incorporated.                        */
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  35 /*                                                                         */
  36 /***************************************************************************/
  37
  38
  39 #ifndef __CF2STACK_H__
  40 #define __CF2STACK_H__
  41
  42
  43 FT_BEGIN_HEADER
  44
  45
  46   /* CFF operand stack; specified maximum of 48 or 192 values */
  47   typedef struct  CF2_StackNumber_
  48   {
  49     union
  50     {
  51       CF2_Fixed  r;      /* 16.16 fixed point */
  52       CF2_Frac   f;      /* 2.30 fixed point (for font matrix) */
  53       CF2_Int    i;
  54     } u;
  55
  56     CF2_NumberType  type;
  57
  58   } CF2_StackNumber;
  59
  60
  61   typedef struct  CF2_StackRec_
  62   {
  63     FT_Memory         memory;
  64     FT_Error*         error;
  65     CF2_StackNumber   buffer[CF2_OPERAND_STACK_SIZE];
  66     CF2_StackNumber*  top;
  67
  68   } CF2_StackRec, *CF2_Stack;
  69
  70
  71   FT_LOCAL( CF2_Stack )
  72   cf2_stack_init( FT_Memory  memory,
  73                   FT_Error*  error );
  74   FT_LOCAL( void )
  75   cf2_stack_free( CF2_Stack  stack );
  76
  77   FT_LOCAL( CF2_UInt )
  78   cf2_stack_count( CF2_Stack  stack );
  79
  80   FT_LOCAL( void )
  81   cf2_stack_pushInt( CF2_Stack  stack,
  82                      CF2_Int    val );
  83   FT_LOCAL( void )
  84   cf2_stack_pushFixed( CF2_Stack  stack,
  85                        CF2_Fixed  val );
  86
  87   FT_LOCAL( CF2_Int )
  88   cf2_stack_popInt( CF2_Stack  stack );
  89   FT_LOCAL( CF2_Fixed )
  90   cf2_stack_popFixed( CF2_Stack  stack );
  91
  92   FT_LOCAL( CF2_Fixed )
  93   cf2_stack_getReal( CF2_Stack  stack,
  94                      CF2_UInt   idx );
  95
  96   FT_LOCAL( void )
  97   cf2_stack_clear( CF2_Stack  stack );
  98
  99
 100 FT_END_HEADER
 101
 102
 103 #endif /* __CF2STACK_H__ */
 104
 105
 106 /* END */