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54876
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/****************************************************************************
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*
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* psstack.h
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*
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* Adobe's code for emulating a CFF stack (specification).
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*
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* Copyright 2007-2013 Adobe Systems Incorporated.
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*
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* This software, and all works of authorship, whether in source or
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* object code form as indicated by the copyright notice(s) included
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* herein (collectively, the "Work") is made available, and may only be
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* used, modified, and distributed under the FreeType Project License,
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* LICENSE.TXT. Additionally, subject to the terms and conditions of the
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* FreeType Project License, each contributor to the Work hereby grants
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* to any individual or legal entity exercising permissions granted by
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* the FreeType Project License and this section (hereafter, "You" or
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* "Your") a perpetual, worldwide, non-exclusive, no-charge,
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* royalty-free, irrevocable (except as stated in this section) patent
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* license to make, have made, use, offer to sell, sell, import, and
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* otherwise transfer the Work, where such license applies only to those
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* patent claims licensable by such contributor that are necessarily
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* infringed by their contribution(s) alone or by combination of their
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* contribution(s) with the Work to which such contribution(s) was
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* submitted. If You institute patent litigation against any entity
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* (including a cross-claim or counterclaim in a lawsuit) alleging that
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* the Work or a contribution incorporated within the Work constitutes
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* direct or contributory patent infringement, then any patent licenses
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* granted to You under this License for that Work shall terminate as of
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* the date such litigation is filed.
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*
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* By using, modifying, or distributing the Work you indicate that you
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* have read and understood the terms and conditions of the
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* FreeType Project License as well as those provided in this section,
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* and you accept them fully.
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*
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*/
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49234
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#ifndef PSSTACK_H_
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#define PSSTACK_H_
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FT_BEGIN_HEADER
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/* CFF operand stack; specified maximum of 48 or 192 values */
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typedef struct CF2_StackNumber_
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{
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union
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{
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CF2_Fixed r; /* 16.16 fixed point */
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CF2_Frac f; /* 2.30 fixed point (for font matrix) */
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CF2_Int i;
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} u;
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CF2_NumberType type;
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} CF2_StackNumber;
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typedef struct CF2_StackRec_
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{
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FT_Memory memory;
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FT_Error* error;
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CF2_StackNumber* buffer;
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CF2_StackNumber* top;
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FT_UInt stackSize;
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} CF2_StackRec, *CF2_Stack;
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FT_LOCAL( CF2_Stack )
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cf2_stack_init( FT_Memory memory,
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FT_Error* error,
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FT_UInt stackSize );
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FT_LOCAL( void )
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cf2_stack_free( CF2_Stack stack );
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FT_LOCAL( CF2_UInt )
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cf2_stack_count( CF2_Stack stack );
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FT_LOCAL( void )
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cf2_stack_pushInt( CF2_Stack stack,
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CF2_Int val );
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FT_LOCAL( void )
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cf2_stack_pushFixed( CF2_Stack stack,
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CF2_Fixed val );
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FT_LOCAL( CF2_Int )
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cf2_stack_popInt( CF2_Stack stack );
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FT_LOCAL( CF2_Fixed )
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cf2_stack_popFixed( CF2_Stack stack );
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FT_LOCAL( CF2_Fixed )
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cf2_stack_getReal( CF2_Stack stack,
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CF2_UInt idx );
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FT_LOCAL( void )
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cf2_stack_setReal( CF2_Stack stack,
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CF2_UInt idx,
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CF2_Fixed val );
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FT_LOCAL( void )
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cf2_stack_pop( CF2_Stack stack,
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CF2_UInt num );
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FT_LOCAL( void )
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cf2_stack_roll( CF2_Stack stack,
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CF2_Int count,
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CF2_Int idx );
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FT_LOCAL( void )
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cf2_stack_clear( CF2_Stack stack );
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FT_END_HEADER
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#endif /* PSSTACK_H_ */
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/* END */
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