/***************************************************************************/ | |
/* */ | |
/* cf2stack.h */ | |
/* */ | |
/* Adobe's code for emulating a CFF stack (specification). */ | |
/* */ | |
/* Copyright 2007-2013 Adobe Systems Incorporated. */ | |
/* */ | |
/* This software, and all works of authorship, whether in source or */ | |
/* object code form as indicated by the copyright notice(s) included */ | |
/* herein (collectively, the "Work") is made available, and may only be */ | |
/* used, modified, and distributed under the FreeType Project License, */ | |
/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ | |
/* FreeType Project License, each contributor to the Work hereby grants */ | |
/* to any individual or legal entity exercising permissions granted by */ | |
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/* */ | |
/***************************************************************************/ | |
#ifndef __CF2STACK_H__ | |
#define __CF2STACK_H__ | |
FT_BEGIN_HEADER | |
/* CFF operand stack; specified maximum of 48 or 192 values */ | |
typedef struct CF2_StackNumber_ | |
{ | |
union | |
{ | |
CF2_Fixed r; /* 16.16 fixed point */ | |
CF2_Frac f; /* 2.30 fixed point (for font matrix) */ | |
CF2_Int i; | |
} u; | |
CF2_NumberType type; | |
} CF2_StackNumber; | |
typedef struct CF2_StackRec_ | |
{ | |
FT_Memory memory; | |
FT_Error* error; | |
CF2_StackNumber buffer[CF2_OPERAND_STACK_SIZE]; | |
CF2_StackNumber* top; | |
} CF2_StackRec, *CF2_Stack; | |
FT_LOCAL( CF2_Stack ) | |
cf2_stack_init( FT_Memory memory, | |
FT_Error* error ); | |
FT_LOCAL( void ) | |
cf2_stack_free( CF2_Stack stack ); | |
FT_LOCAL( CF2_UInt ) | |
cf2_stack_count( CF2_Stack stack ); | |
FT_LOCAL( void ) | |
cf2_stack_pushInt( CF2_Stack stack, | |
CF2_Int val ); | |
FT_LOCAL( void ) | |
cf2_stack_pushFixed( CF2_Stack stack, | |
CF2_Fixed val ); | |
FT_LOCAL( CF2_Int ) | |
cf2_stack_popInt( CF2_Stack stack ); | |
FT_LOCAL( CF2_Fixed ) | |
cf2_stack_popFixed( CF2_Stack stack ); | |
FT_LOCAL( CF2_Fixed ) | |
cf2_stack_getReal( CF2_Stack stack, | |
CF2_UInt idx ); | |
FT_LOCAL( void ) | |
cf2_stack_clear( CF2_Stack stack ); | |
FT_END_HEADER | |
#endif /* __CF2STACK_H__ */ | |
/* END */ |