1a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/***************************************************************************/ 2a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* */ 3a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* cf2intrp.c */ 4a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* */ 5a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* Adobe's CFF Interpreter (body). */ 6a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* */ 7a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* Copyright 2007-2013 Adobe Systems Incorporated. */ 8a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* */ 9a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* This software, and all works of authorship, whether in source or */ 10a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* object code form as indicated by the copyright notice(s) included */ 11a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* herein (collectively, the "Work") is made available, and may only be */ 12a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* used, modified, and distributed under the FreeType Project License, */ 13a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */ 14a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* FreeType Project License, each contributor to the Work hereby grants */ 15a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* to any individual or legal entity exercising permissions granted by */ 16a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* the FreeType Project License and this section (hereafter, "You" or */ 17a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */ 18a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* royalty-free, irrevocable (except as stated in this section) patent */ 19a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* license to make, have made, use, offer to sell, sell, import, and */ 20a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* otherwise transfer the Work, where such license applies only to those */ 21a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* patent claims licensable by such contributor that are necessarily */ 22a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* infringed by their contribution(s) alone or by combination of their */ 23a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* contribution(s) with the Work to which such contribution(s) was */ 24a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* submitted. If You institute patent litigation against any entity */ 25a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* (including a cross-claim or counterclaim in a lawsuit) alleging that */ 26a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* the Work or a contribution incorporated within the Work constitutes */ 27a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* direct or contributory patent infringement, then any patent licenses */ 28a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* granted to You under this License for that Work shall terminate as of */ 29a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* the date such litigation is filed. */ 30a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* */ 31a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* By using, modifying, or distributing the Work you indicate that you */ 32a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* have read and understood the terms and conditions of the */ 33a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* FreeType Project License as well as those provided in this section, */ 34a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* and you accept them fully. */ 35a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* */ 36a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/***************************************************************************/ 37a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 38a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 39a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include "cf2ft.h" 40a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include FT_INTERNAL_DEBUG_H 41a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 42a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include "cf2glue.h" 43a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include "cf2font.h" 44a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include "cf2stack.h" 45a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include "cf2hints.h" 46a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 47a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#include "cf2error.h" 48a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 49a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 50a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /*************************************************************************/ 51a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* */ 52a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ 53a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ 54a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* messages during execution. */ 55a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* */ 56a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#undef FT_COMPONENT 57a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#define FT_COMPONENT trace_cf2interp 58a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 59a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 60a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* some operators are not implemented yet */ 61a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#define CF2_FIXME FT_TRACE4(( "cf2_interpT2CharString:" \ 62a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang " operator not implemented yet\n" )) 63a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 64a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 65a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 66a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( void ) 67a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_init( CF2_HintMask hintmask, 68a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Error* error ) 69a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 70a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_ZERO( hintmask ); 71a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 72a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->error = error; 73a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 74a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 75a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 76a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( FT_Bool ) 77a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_isValid( const CF2_HintMask hintmask ) 78a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 79a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return hintmask->isValid; 80a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 81a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 82a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 83a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( FT_Bool ) 84a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_isNew( const CF2_HintMask hintmask ) 85a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 86a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return hintmask->isNew; 87a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 88a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 89a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 90a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( void ) 91a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_setNew( CF2_HintMask hintmask, 92a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool val ) 93a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 94a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->isNew = val; 95a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 96a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 97a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 98a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* clients call `getMaskPtr' in order to iterate */ 99a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* through hint mask */ 100a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 101a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( FT_Byte* ) 102a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_getMaskPtr( CF2_HintMask hintmask ) 103a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 104a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return hintmask->mask; 105a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 106a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 107a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 108a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static size_t 109a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_setCounts( CF2_HintMask hintmask, 110a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang size_t bitCount ) 111a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 112a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( bitCount > CF2_MAX_HINTS ) 113a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 114a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* total of h and v stems must be <= 96 */ 115a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_SET_ERROR( hintmask->error, Invalid_Glyph_Format ); 116a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return 0; 117a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 118a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 119a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->bitCount = bitCount; 120a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->byteCount = ( hintmask->bitCount + 7 ) / 8; 121a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 122a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->isValid = TRUE; 123a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->isNew = TRUE; 124a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 125a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return bitCount; 126a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 127a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 128a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 129a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* consume the hintmask bytes from the charstring, advancing the src */ 130a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* pointer */ 131a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static void 132a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_read( CF2_HintMask hintmask, 133a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Buffer charstring, 134a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang size_t bitCount ) 135a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 136a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang size_t i; 137a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 138a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#ifndef CF2_NDEBUG 139a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* these are the bits in the final mask byte that should be zero */ 140a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* Note: this variable is only used in an assert expression below */ 141a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* and then only if CF2_NDEBUG is not defined */ 142a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt mask = ( 1 << ( -(CF2_Int)bitCount & 7 ) ) - 1; 143a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#endif 144a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 145a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 146a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* initialize counts and isValid */ 147a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_hintmask_setCounts( hintmask, bitCount ) == 0 ) 148a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return; 149a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 150a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_ASSERT( hintmask->byteCount > 0 ); 151a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 152a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " (maskbytes:" )); 153a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 154a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* set mask and advance interpreter's charstring pointer */ 155a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( i = 0; i < hintmask->byteCount; i++ ) 156a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 157a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->mask[i] = (FT_Byte)cf2_buf_readByte( charstring ); 158a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " 0x%02X", hintmask->mask[i] )); 159a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 160a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 161a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( ")\n" )); 162a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 163a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* assert any unused bits in last byte are zero unless there's a prior */ 164a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* error */ 165a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* bitCount -> mask, 0 -> 0, 1 -> 7f, 2 -> 3f, ... 6 -> 3, 7 -> 1 */ 166a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#ifndef CF2_NDEBUG 167a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_ASSERT( ( hintmask->mask[hintmask->byteCount - 1] & mask ) == 0 || 168a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *hintmask->error ); 169a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang#endif 170a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 171a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 172a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 173a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( void ) 174a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_setAll( CF2_HintMask hintmask, 175a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang size_t bitCount ) 176a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 177a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang size_t i; 178a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt mask = ( 1 << ( -(CF2_Int)bitCount & 7 ) ) - 1; 179a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 180a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 181a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* initialize counts and isValid */ 182a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_hintmask_setCounts( hintmask, bitCount ) == 0 ) 183a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return; 184a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 185a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_ASSERT( hintmask->byteCount > 0 ); 186a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_ASSERT( hintmask->byteCount < 187a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang sizeof ( hintmask->mask ) / sizeof ( hintmask->mask[0] ) ); 188a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 189a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* set mask to all ones */ 190a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( i = 0; i < hintmask->byteCount; i++ ) 191a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->mask[i] = 0xFF; 192a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 193a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* clear unused bits */ 194a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* bitCount -> mask, 0 -> 0, 1 -> 7f, 2 -> 3f, ... 6 -> 3, 7 -> 1 */ 195a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintmask->mask[hintmask->byteCount - 1] &= ~mask; 196a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 197a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 198a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 199a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* Type2 charstring opcodes */ 200a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang enum 201a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 202a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_0, /* 0 */ 203a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHSTEM, /* 1 */ 204a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_2, /* 2 */ 205a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdVSTEM, /* 3 */ 206a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdVMOVETO, /* 4 */ 207a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRLINETO, /* 5 */ 208a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHLINETO, /* 6 */ 209a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdVLINETO, /* 7 */ 210a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRRCURVETO, /* 8 */ 211a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_9, /* 9 */ 212a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdCALLSUBR, /* 10 */ 213a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRETURN, /* 11 */ 214a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdESC, /* 12 */ 215a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_13, /* 13 */ 216a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdENDCHAR, /* 14 */ 217a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_15, /* 15 */ 218a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_16, /* 16 */ 219a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRESERVED_17, /* 17 */ 220a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHSTEMHM, /* 18 */ 221a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHINTMASK, /* 19 */ 222a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdCNTRMASK, /* 20 */ 223a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRMOVETO, /* 21 */ 224a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHMOVETO, /* 22 */ 225a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdVSTEMHM, /* 23 */ 226a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRCURVELINE, /* 24 */ 227a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdRLINECURVE, /* 25 */ 228a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdVVCURVETO, /* 26 */ 229a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHHCURVETO, /* 27 */ 230a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdEXTENDEDNMBR, /* 28 */ 231a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdCALLGSUBR, /* 29 */ 232a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdVHCURVETO, /* 30 */ 233a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_cmdHVCURVETO /* 31 */ 234a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; 235a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 236a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang enum 237a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 238a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escDOTSECTION, /* 0 */ 239a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_1, /* 1 */ 240a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_2, /* 2 */ 241a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escAND, /* 3 */ 242a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escOR, /* 4 */ 243a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escNOT, /* 5 */ 244a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_6, /* 6 */ 245a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_7, /* 7 */ 246a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_8, /* 8 */ 247a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escABS, /* 9 */ 248a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escADD, /* 10 like otherADD */ 249a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escSUB, /* 11 like otherSUB */ 250a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escDIV, /* 12 */ 251a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_13, /* 13 */ 252a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escNEG, /* 14 */ 253a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escEQ, /* 15 */ 254a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_16, /* 16 */ 255a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_17, /* 17 */ 256a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escDROP, /* 18 */ 257a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_19, /* 19 */ 258a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escPUT, /* 20 like otherPUT */ 259a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escGET, /* 21 like otherGET */ 260a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escIFELSE, /* 22 like otherIFELSE */ 261a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRANDOM, /* 23 like otherRANDOM */ 262a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escMUL, /* 24 like otherMUL */ 263a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_25, /* 25 */ 264a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escSQRT, /* 26 */ 265a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escDUP, /* 27 like otherDUP */ 266a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escEXCH, /* 28 like otherEXCH */ 267a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escINDEX, /* 29 */ 268a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escROLL, /* 30 */ 269a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_31, /* 31 */ 270a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_32, /* 32 */ 271a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escRESERVED_33, /* 33 */ 272a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escHFLEX, /* 34 */ 273a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escFLEX, /* 35 */ 274a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escHFLEX1, /* 36 */ 275a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_escFLEX1 /* 37 */ 276a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; 277a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 278a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 279a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* `stemHintArray' does not change once we start drawing the outline. */ 280a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static void 281a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doStems( const CF2_Font font, 282a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Stack opStack, 283a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_ArrStack stemHintArray, 284a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed* width, 285a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool* haveWidth, 286a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed hintOffset ) 287a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 288a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt i; 289a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 290a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool hasWidthArg = count & 1; 291a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 292a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* variable accumulates delta values from operand stack */ 293a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed position = hintOffset; 294a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 295a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( hasWidthArg && ! *haveWidth ) 296a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *width = cf2_stack_getReal( opStack, 0 ) + 297a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_getNominalWidthX( font->decoder ); 298a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 299a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 300a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 301a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 302a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( i = hasWidthArg ? 1 : 0; i < count; i += 2 ) 303a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 304a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* construct a CF2_StemHint and push it onto the list */ 305a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_StemHintRec stemhint; 306a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 307a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 308a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang stemhint.min = 309a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang position += cf2_stack_getReal( opStack, i ); 310a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang stemhint.max = 311a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang position += cf2_stack_getReal( opStack, i + 1 ); 312a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 313a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang stemhint.used = FALSE; 314a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang stemhint.maxDS = 315a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang stemhint.minDS = 0; 316a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 317a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_push( stemHintArray, &stemhint ); /* defer error check */ 318a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 319a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 320a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 321a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 322a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang exit: 323a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* cf2_doStems must define a width (may be default) */ 324a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *haveWidth = TRUE; 325a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 326a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 327a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 328a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static void 329a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doFlex( CF2_Stack opStack, 330a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed* curX, 331a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed* curY, 332a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_GlyphPath glyphPath, 333a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang const FT_Bool* readFromStack, 334a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool doConditionalLastRead ) 335a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 336a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed vals[14]; 337a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index; 338a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool isHFlex; 339a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Int top, i, j; 340a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 341a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 342a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[0] = *curX; 343a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[1] = *curY; 344a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index = 0; 345a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang isHFlex = readFromStack[9] == FALSE; 346a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang top = isHFlex ? 9 : 10; 347a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 348a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( i = 0; i < top; i++ ) 349a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 350a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[i + 2] = vals[i]; 351a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( readFromStack[i] ) 352a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[i + 2] += cf2_stack_getReal( opStack, index++ ); 353a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 354a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 355a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( isHFlex ) 356a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[9 + 2] = *curY; 357a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 358a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( doConditionalLastRead ) 359a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 360a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool lastIsX = cf2_fixedAbs( vals[10] - *curX ) > 361a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_fixedAbs( vals[11] - *curY ); 362a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed lastVal = cf2_stack_getReal( opStack, index ); 363a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 364a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 365a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( lastIsX ) 366a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 367a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[12] = vals[10] + lastVal; 368a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[13] = *curY; 369a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 370a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 371a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 372a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[12] = *curX; 373a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[13] = vals[11] + lastVal; 374a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 375a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 376a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 377a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 378a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( readFromStack[10] ) 379a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[12] = vals[10] + cf2_stack_getReal( opStack, index++ ); 380a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 381a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[12] = *curX; 382a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 383a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( readFromStack[11] ) 384a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[13] = vals[11] + cf2_stack_getReal( opStack, index ); 385a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 386a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[13] = *curY; 387a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 388a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 389a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( j = 0; j < 2; j++ ) 390a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_curveTo( glyphPath, vals[j * 6 + 2], 391a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[j * 6 + 3], 392a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[j * 6 + 4], 393a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[j * 6 + 5], 394a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[j * 6 + 6], 395a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang vals[j * 6 + 7] ); 396a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 397a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 398a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 399a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *curX = vals[12]; 400a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *curY = vals[13]; 401a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 402a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 403a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 404a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* 405a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * `error' is a shared error code used by many objects in this 406a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * routine. Before the code continues from an error, it must check and 407a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * record the error in `*error'. The idea is that this shared 408a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * error code will record the first error encountered. If testing 409a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * for an error anyway, the cost of `goto exit' is small, so we do it, 410a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * even if continuing would be safe. In this case, `lastError' is 411a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * set, so the testing and storing can be done in one place, at `exit'. 412a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 413a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * Continuing after an error is intended for objects which do their own 414a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * testing of `*error', e.g., array stack functions. This allows us to 415a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * avoid an extra test after the call. 416a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 417a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * Unimplemented opcodes are ignored. 418a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 419a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang */ 420a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_LOCAL_DEF( void ) 421a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_interpT2CharString( CF2_Font font, 422a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Buffer buf, 423a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_OutlineCallbacks callbacks, 424a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang const FT_Vector* translation, 425a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool doingSeac, 426a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed curX, 427a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed curY, 428a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed* width ) 429a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 430a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* lastError is used for errors that are immediately tested */ 431a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Error lastError = FT_Err_Ok; 432a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 433a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* pointer to parsed font object */ 434a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CFF_Decoder* decoder = font->decoder; 435a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 436a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Error* error = &font->error; 437a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Memory memory = font->memory; 438a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 439a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed scaleY = font->innerTransform.d; 440a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed nominalWidthX = cf2_getNominalWidthX( decoder ); 441a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 442a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* save this for hinting seac accents */ 443a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed hintOriginY = curY; 444a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 445a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Stack opStack = NULL; 446a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Byte op1; /* first opcode byte */ 447a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 448a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* instruction limit; 20,000,000 matches Avalon */ 449a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_UInt32 instructionLimit = 20000000UL; 450a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 451a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_ArrStackRec subrStack; 452a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 453a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool haveWidth; 454a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Buffer charstring = NULL; 455a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 456a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Int charstringIndex = -1; /* initialize to empty */ 457a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 458a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* TODO: placeholders for hint structures */ 459a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 460a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* objects used for hinting */ 461a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_ArrStackRec hStemHintArray; 462a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_ArrStackRec vStemHintArray; 463a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 464a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_HintMaskRec hintMask; 465a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_GlyphPathRec glyphPath; 466a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 467a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 468a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* initialize the remaining objects */ 469a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_init( &subrStack, 470a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang memory, 471a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang error, 472a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang sizeof ( CF2_BufferRec ) ); 473a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_init( &hStemHintArray, 474a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang memory, 475a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang error, 476a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang sizeof ( CF2_StemHintRec ) ); 477a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_init( &vStemHintArray, 478a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang memory, 479a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang error, 480a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang sizeof ( CF2_StemHintRec ) ); 481a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 482a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* initialize CF2_StemHint arrays */ 483a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_init( &hintMask, error ); 484a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 485a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* initialize path map to manage drawing operations */ 486a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 487a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* Note: last 4 params are used to handle `MoveToPermissive', which */ 488a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* may need to call `hintMap.Build' */ 489a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* TODO: MoveToPermissive is gone; are these still needed? */ 490a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_init( &glyphPath, 491a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang font, 492a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang callbacks, 493a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang scaleY, 494a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* hShift, */ 495a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &hStemHintArray, 496a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &vStemHintArray, 497a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &hintMask, 498a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang hintOriginY, 499a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &font->blues, 500a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang translation ); 501a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 502a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* 503a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * Initialize state for width parsing. From the CFF Spec: 504a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 505a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * The first stack-clearing operator, which must be one of hstem, 506a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * hstemhm, vstem, vstemhm, cntrmask, hintmask, hmoveto, vmoveto, 507a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * rmoveto, or endchar, takes an additional argument - the width (as 508a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * described earlier), which may be expressed as zero or one numeric 509a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * argument. 510a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 511a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * What we implement here uses the first validly specified width, but 512a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * does not detect errors for specifying more than one width. 513a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 514a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * If one of the above operators occurs without explicitly specifying 515a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * a width, we assume the default width. 516a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 517a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang */ 518a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang haveWidth = FALSE; 519a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *width = cf2_getDefaultWidthX( decoder ); 520a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 521a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* 522a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * Note: at this point, all pointers to resources must be NULL 523a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * and all local objects must be initialized. 524a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * There must be no branches to exit: above this point. 525a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 526a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang */ 527a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 528a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* allocate an operand stack */ 529a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang opStack = cf2_stack_init( memory, error ); 530a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( !opStack ) 531a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 532a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Out_Of_Memory ); 533a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 534a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 535a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 536a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* initialize subroutine stack by placing top level charstring as */ 537a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* first element (max depth plus one for the charstring) */ 538a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* Note: Caller owns and must finalize the first charstring. */ 539a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* Our copy of it does not change that requirement. */ 540a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_setCount( &subrStack, CF2_MAX_SUBR + 1 ); 541a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 542a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring = (CF2_Buffer)cf2_arrstack_getBuffer( &subrStack ); 543a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *charstring = *buf; /* structure copy */ 544a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 545a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstringIndex = 0; /* entry is valid now */ 546a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 547a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* catch errors so far */ 548a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( *error ) 549a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 550a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 551a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* main interpreter loop */ 552a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( 1 ) 553a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 554a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_buf_isEnd( charstring ) ) 555a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 556a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* If we've reached the end of the charstring, simulate a */ 557a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* cf2_cmdRETURN or cf2_cmdENDCHAR. */ 558a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( charstringIndex ) 559a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang op1 = cf2_cmdRETURN; /* end of buffer for subroutine */ 560a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 561a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang op1 = cf2_cmdENDCHAR; /* end of buffer for top level charstring */ 562a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 563a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 564a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang op1 = (FT_Byte)cf2_buf_readByte( charstring ); 565a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 566a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* check for errors once per loop */ 567a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( *error ) 568a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 569a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 570a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang instructionLimit--; 571a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( instructionLimit == 0 ) 572a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 573a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Invalid_Glyph_Format ); 574a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 575a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 576a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 577a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang switch( op1 ) 578a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 579a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_0: 580a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_2: 581a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_9: 582a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_13: 583a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_15: 584a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_16: 585a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRESERVED_17: 586a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* we may get here if we have a prior error */ 587a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " unknown op (%d)\n", op1 )); 588a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 589a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 590a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHSTEMHM: 591a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHSTEM: 592a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( op1 == cf2_cmdHSTEMHM ? " hstemhm\n" : " hstem\n" )); 593a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 594a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* never add hints after the mask is computed */ 595a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_hintmask_isValid( &hintMask ) ) 596a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "cf2_interpT2CharString:" 597a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang " invalid horizontal hint mask\n" )); 598a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 599a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doStems( font, 600a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang opStack, 601a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &hStemHintArray, 602a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang width, 603a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &haveWidth, 604a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 0 ); 605a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 606a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 607a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 608a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 609a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 610a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 611a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdVSTEMHM: 612a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdVSTEM: 613a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( op1 == cf2_cmdVSTEMHM ? " vstemhm\n" : " vstem\n" )); 614a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 615a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* never add hints after the mask is computed */ 616a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_hintmask_isValid( &hintMask ) ) 617a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "cf2_interpT2CharString:" 618a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang " invalid vertical hint mask\n" )); 619a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 620a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doStems( font, 621a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang opStack, 622a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &vStemHintArray, 623a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang width, 624a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &haveWidth, 625a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 0 ); 626a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 627a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 628a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 629a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 630a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 631a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 632a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdVMOVETO: 633a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " vmoveto\n" )); 634a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 635a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_stack_count( opStack ) > 1 && !haveWidth ) 636a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *width = cf2_stack_getReal( opStack, 0 ) + nominalWidthX; 637a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 638a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* width is defined or default after this */ 639a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang haveWidth = TRUE; 640a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 641a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 642a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 643a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 644a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY += cf2_stack_popFixed( opStack ); 645a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 646a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_moveTo( &glyphPath, curX, curY ); 647a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 648a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 649a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 650a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRLINETO: 651a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 652a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index; 653a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 654a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 655a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 656a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " rlineto\n" )); 657a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 658a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( index = 0; index < count; index += 2 ) 659a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 660a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX += cf2_stack_getReal( opStack, index + 0 ); 661a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY += cf2_stack_getReal( opStack, index + 1 ); 662a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 663a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_lineTo( &glyphPath, curX, curY ); 664a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 665a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 666a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 667a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 668a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* no need to clear stack again */ 669a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 670a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHLINETO: 671a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdVLINETO: 672a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 673a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index; 674a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 675a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 676a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool isX = op1 == cf2_cmdHLINETO; 677a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 678a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 679a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( isX ? " hlineto\n" : " vlineto\n" )); 680a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 681a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang for ( index = 0; index < count; index++ ) 682a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 683a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed v = cf2_stack_getReal( opStack, index ); 684a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 685a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 686a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( isX ) 687a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX += v; 688a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 689a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY += v; 690a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 691a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang isX = !isX; 692a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 693a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_lineTo( &glyphPath, curX, curY ); 694a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 695a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 696a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 697a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 698a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; 699a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 700a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRCURVELINE: 701a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRRCURVETO: 702a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 703a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 704a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index = 0; 705a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 706a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 707a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( op1 == cf2_cmdRCURVELINE ? " rcurveline\n" 708a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang : " rrcurveto\n" )); 709a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 710a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( index + 6 <= count ) 711a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 712a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x1 = cf2_stack_getReal( opStack, index + 0 ) + curX; 713a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed y1 = cf2_stack_getReal( opStack, index + 1 ) + curY; 714a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x2 = cf2_stack_getReal( opStack, index + 2 ) + x1; 715a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed y2 = cf2_stack_getReal( opStack, index + 3 ) + y1; 716a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x3 = cf2_stack_getReal( opStack, index + 4 ) + x2; 717a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed y3 = cf2_stack_getReal( opStack, index + 5 ) + y2; 718a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 719a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 720a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); 721a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 722a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX = x3; 723a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY = y3; 724a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index += 6; 725a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 726a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 727a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( op1 == cf2_cmdRCURVELINE ) 728a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 729a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX += cf2_stack_getReal( opStack, index + 0 ); 730a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY += cf2_stack_getReal( opStack, index + 1 ); 731a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 732a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_lineTo( &glyphPath, curX, curY ); 733a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 734a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 735a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 736a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 737a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* no need to clear stack again */ 738a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 739a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdCALLGSUBR: 740a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdCALLSUBR: 741a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 742a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt subrIndex; 743a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 744a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 745a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( op1 == cf2_cmdCALLGSUBR ? " callgsubr" 746a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang : " callsubr" )); 747a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 748a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( charstringIndex > CF2_MAX_SUBR ) 749a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 750a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* max subr plus one for charstring */ 751a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Invalid_Glyph_Format ); 752a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; /* overflow of stack */ 753a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 754a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 755a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* push our current CFF charstring region on subrStack */ 756a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring = (CF2_Buffer) 757a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_getPointer( &subrStack, 758a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstringIndex + 1 ); 759a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 760a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* set up the new CFF region and pointer */ 761a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang subrIndex = cf2_stack_popInt( opStack ); 762a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 763a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang switch ( op1 ) 764a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 765a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdCALLGSUBR: 766a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "(%d)\n", subrIndex + decoder->globals_bias )); 767a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 768a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_initGlobalRegionBuffer( decoder, 769a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang subrIndex, 770a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring ) ) 771a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 772a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Invalid_Glyph_Format ); 773a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; /* subroutine lookup or stream error */ 774a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 775a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 776a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 777a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang default: 778a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* cf2_cmdCALLSUBR */ 779a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "(%d)\n", subrIndex + decoder->locals_bias )); 780a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 781a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_initLocalRegionBuffer( decoder, 782a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang subrIndex, 783a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring ) ) 784a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 785a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Invalid_Glyph_Format ); 786a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; /* subroutine lookup or stream error */ 787a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 788a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 789a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 790a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstringIndex += 1; /* entry is valid now */ 791a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 792a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* do not clear the stack */ 793a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 794a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRETURN: 795a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " return\n" )); 796a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 797a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( charstringIndex < 1 ) 798a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 799a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* Note: cannot return from top charstring */ 800a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Invalid_Glyph_Format ); 801a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; /* underflow of stack */ 802a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 803a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 804a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* restore position in previous charstring */ 805a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring = (CF2_Buffer) 806a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_getPointer( &subrStack, 807a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang --charstringIndex ); 808a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* do not clear the stack */ 809a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 810a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdESC: 811a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 812a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Byte op2 = (FT_Byte)cf2_buf_readByte( charstring ); 813a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 814a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 815a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang switch ( op2 ) 816a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 817a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escDOTSECTION: 818a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* something about `flip type of locking' -- ignore it */ 819a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " dotsection\n" )); 820a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 821a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 822a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 823a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* TODO: should these operators be supported? */ 824a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escAND: /* in spec */ 825a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " and\n" )); 826a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 827a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 828a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 829a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 830a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escOR: /* in spec */ 831a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " or\n" )); 832a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 833a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 834a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 835a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 836a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escNOT: /* in spec */ 837a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " not\n" )); 838a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 839a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 840a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 841a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 842a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escABS: /* in spec */ 843a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " abs\n" )); 844a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 845a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 846a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 847a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 848a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escADD: /* in spec */ 849a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " add\n" )); 850a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 851a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 852a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 853a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 854a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escSUB: /* in spec */ 855a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " sub\n" )); 856a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 857a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 858a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 859a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 860a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escDIV: /* in spec */ 861a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " div\n" )); 862a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 863a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 864a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 865a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 866a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escNEG: /* in spec */ 867a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " neg\n" )); 868a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 869a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 870a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 871a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 872a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escEQ: /* in spec */ 873a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " eq\n" )); 874a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 875a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 876a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 877a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 878a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escDROP: /* in spec */ 879a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " drop\n" )); 880a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 881a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 882a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 883a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 884a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escPUT: /* in spec */ 885a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " put\n" )); 886a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 887a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 888a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 889a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 890a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escGET: /* in spec */ 891a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " get\n" )); 892a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 893a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 894a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 895a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 896a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escIFELSE: /* in spec */ 897a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " ifelse\n" )); 898a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 899a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 900a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 901a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 902a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRANDOM: /* in spec */ 903a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " random\n" )); 904a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 905a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 906a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 907a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 908a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escMUL: /* in spec */ 909a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " mul\n" )); 910a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 911a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 912a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 913a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 914a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escSQRT: /* in spec */ 915a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " sqrt\n" )); 916a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 917a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 918a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 919a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 920a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escDUP: /* in spec */ 921a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " dup\n" )); 922a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 923a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 924a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 925a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 926a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escEXCH: /* in spec */ 927a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " exch\n" )); 928a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 929a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 930a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 931a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 932a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escINDEX: /* in spec */ 933a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " index\n" )); 934a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 935a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 936a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 937a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 938a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escROLL: /* in spec */ 939a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " roll\n" )); 940a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 941a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_FIXME; 942a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 943a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 944a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escHFLEX: 945a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 946a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static const FT_Bool readFromStack[12] = 947a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 948a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx1 */, FALSE /* dy1 */, 949a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx2 */, TRUE /* dy2 */, 950a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx3 */, FALSE /* dy3 */, 951a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx4 */, FALSE /* dy4 */, 952a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx5 */, FALSE /* dy5 */, 953a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx6 */, FALSE /* dy6 */ 954a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; 955a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 956a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 957a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " hflex\n" )); 958a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 959a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doFlex( opStack, 960a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curX, 961a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curY, 962a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &glyphPath, 963a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang readFromStack, 964a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FALSE /* doConditionalLastRead */ ); 965a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 966a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; 967a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 968a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escFLEX: 969a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 970a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static const FT_Bool readFromStack[12] = 971a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 972a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx1 */, TRUE /* dy1 */, 973a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx2 */, TRUE /* dy2 */, 974a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx3 */, TRUE /* dy3 */, 975a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx4 */, TRUE /* dy4 */, 976a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx5 */, TRUE /* dy5 */, 977a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx6 */, TRUE /* dy6 */ 978a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; 979a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 980a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 981a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " flex\n" )); 982a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 983a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doFlex( opStack, 984a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curX, 985a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curY, 986a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &glyphPath, 987a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang readFromStack, 988a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FALSE /* doConditionalLastRead */ ); 989a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 990a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; /* TODO: why is this not a continue? */ 991a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 992a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escHFLEX1: 993a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 994a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static const FT_Bool readFromStack[12] = 995a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 996a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx1 */, TRUE /* dy1 */, 997a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx2 */, TRUE /* dy2 */, 998a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx3 */, FALSE /* dy3 */, 999a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx4 */, FALSE /* dy4 */, 1000a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx5 */, TRUE /* dy5 */, 1001a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx6 */, FALSE /* dy6 */ 1002a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; 1003a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1004a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1005a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " hflex1\n" )); 1006a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1007a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doFlex( opStack, 1008a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curX, 1009a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curY, 1010a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &glyphPath, 1011a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang readFromStack, 1012a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FALSE /* doConditionalLastRead */ ); 1013a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1014a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; 1015a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1016a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escFLEX1: 1017a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1018a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang static const FT_Bool readFromStack[12] = 1019a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1020a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx1 */, TRUE /* dy1 */, 1021a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx2 */, TRUE /* dy2 */, 1022a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx3 */, TRUE /* dy3 */, 1023a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx4 */, TRUE /* dy4 */, 1024a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* dx5 */, TRUE /* dy5 */, 1025a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FALSE /* dx6 */, FALSE /* dy6 */ 1026a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; 1027a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1028a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1029a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " flex1\n" )); 1030a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1031a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doFlex( opStack, 1032a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curX, 1033a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &curY, 1034a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &glyphPath, 1035a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang readFromStack, 1036a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE /* doConditionalLastRead */ ); 1037a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1038a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; 1039a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1040a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_1: 1041a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_2: 1042a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_6: 1043a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_7: 1044a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_8: 1045a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_13: 1046a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_16: 1047a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_17: 1048a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_19: 1049a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_25: 1050a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_31: 1051a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_32: 1052a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_escRESERVED_33: 1053a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang default: 1054a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " unknown op (12, %d)\n", op2 )); 1055a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1056a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang }; /* end of switch statement checking `op2' */ 1057a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1058a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } /* case cf2_cmdESC */ 1059a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 1060a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1061a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdENDCHAR: 1062a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " endchar\n" )); 1063a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1064a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_stack_count( opStack ) == 1 || 1065a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_count( opStack ) == 5 ) 1066a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1067a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( !haveWidth ) 1068a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *width = cf2_stack_getReal( opStack, 0 ) + nominalWidthX; 1069a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1070a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1071a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* width is defined or default after this */ 1072a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang haveWidth = TRUE; 1073a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1074a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 1075a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1076a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1077a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* close path if still open */ 1078a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_closeOpenPath( &glyphPath ); 1079a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1080a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_stack_count( opStack ) > 1 ) 1081a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1082a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* must be either 4 or 5 -- */ 1083a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* this is a (deprecated) implied `seac' operator */ 1084a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1085a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt achar; 1086a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt bchar; 1087a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_BufferRec component; 1088a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed dummyWidth; /* ignore component width */ 1089a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Error error2; 1090a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1091a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1092a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( doingSeac ) 1093a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1094a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = FT_THROW( Invalid_Glyph_Format ); 1095a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; /* nested seac */ 1096a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1097a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1098a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang achar = cf2_stack_popInt( opStack ); 1099a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang bchar = cf2_stack_popInt( opStack ); 1100a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1101a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY = cf2_stack_popFixed( opStack ); 1102a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX = cf2_stack_popFixed( opStack ); 1103a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1104a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang error2 = cf2_getSeacComponent( decoder, achar, &component ); 1105a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( error2 ) 1106a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1107a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = error2; /* pass FreeType error through */ 1108a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1109a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1110a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_interpT2CharString( font, 1111a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &component, 1112a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang callbacks, 1113a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang translation, 1114a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE, 1115a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX, 1116a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY, 1117a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &dummyWidth ); 1118a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_freeSeacComponent( decoder, &component ); 1119a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1120a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang error2 = cf2_getSeacComponent( decoder, bchar, &component ); 1121a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( error2 ) 1122a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1123a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang lastError = error2; /* pass FreeType error through */ 1124a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1125a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1126a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_interpT2CharString( font, 1127a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &component, 1128a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang callbacks, 1129a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang translation, 1130a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang TRUE, 1131a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 0, 1132a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 0, 1133a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &dummyWidth ); 1134a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_freeSeacComponent( decoder, &component ); 1135a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1136a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1137a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1138a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdCNTRMASK: 1139a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHINTMASK: 1140a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* the final \n in the tracing message gets added in */ 1141a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* `cf2_hintmask_read' (which also traces the mask bytes) */ 1142a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( op1 == cf2_cmdCNTRMASK ? " cntrmask" : " hintmask" )); 1143a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1144a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* if there are arguments on the stack, there this is an */ 1145a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* implied cf2_cmdVSTEMHM */ 1146a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_stack_count( opStack ) != 0 ) 1147a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1148a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* never add hints after the mask is computed */ 1149a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_hintmask_isValid( &hintMask ) ) 1150a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "cf2_interpT2CharString: invalid hint mask\n" )); 1151a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1152a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1153a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_doStems( font, 1154a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang opStack, 1155a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &vStemHintArray, 1156a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang width, 1157a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &haveWidth, 1158a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 0 ); 1159a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1160a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 1161a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1162a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1163a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( op1 == cf2_cmdHINTMASK ) 1164a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1165a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* consume the hint mask bytes which follow the operator */ 1166a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_read( &hintMask, 1167a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring, 1168a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_size( &hStemHintArray ) + 1169a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_size( &vStemHintArray ) ); 1170a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1171a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 1172a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1173a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* 1174a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * Consume the counter mask bytes which follow the operator: 1175a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * Build a temporary hint map, just to place and lock those 1176a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * stems participating in the counter mask. These are most 1177a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * likely the dominant hstems, and are grouped together in a 1178a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * few counter groups, not necessarily in correspondence 1179a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * with the hint groups. This reduces the chances of 1180a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * conflicts between hstems that are initially placed in 1181a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * separate hint groups and then brought together. The 1182a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * positions are copied back to `hStemHintArray', so we can 1183a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * discard `counterMask' and `counterHintMap'. 1184a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang * 1185a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang */ 1186a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_HintMapRec counterHintMap; 1187a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_HintMaskRec counterMask; 1188a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1189a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1190a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmap_init( &counterHintMap, 1191a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang font, 1192a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &glyphPath.initialHintMap, 1193a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &glyphPath.hintMoves, 1194a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang scaleY ); 1195a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_init( &counterMask, error ); 1196a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1197a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmask_read( &counterMask, 1198a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang charstring, 1199a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_size( &hStemHintArray ) + 1200a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_size( &vStemHintArray ) ); 1201a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_hintmap_build( &counterHintMap, 1202a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &hStemHintArray, 1203a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &vStemHintArray, 1204a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang &counterMask, 1205a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 0, 1206a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FALSE ); 1207a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1208a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 1209a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1210a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRMOVETO: 1211a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " rmoveto\n" )); 1212a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1213a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_stack_count( opStack ) > 2 && !haveWidth ) 1214a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *width = cf2_stack_getReal( opStack, 0 ) + nominalWidthX; 1215a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1216a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* width is defined or default after this */ 1217a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang haveWidth = TRUE; 1218a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1219a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 1220a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1221a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1222a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY += cf2_stack_popFixed( opStack ); 1223a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX += cf2_stack_popFixed( opStack ); 1224a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1225a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_moveTo( &glyphPath, curX, curY ); 1226a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1227a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 1228a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1229a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHMOVETO: 1230a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " hmoveto\n" )); 1231a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1232a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( cf2_stack_count( opStack ) > 1 && !haveWidth ) 1233a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang *width = cf2_stack_getReal( opStack, 0 ) + nominalWidthX; 1234a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1235a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* width is defined or default after this */ 1236a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang haveWidth = TRUE; 1237a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1238a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( font->decoder->width_only ) 1239a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang goto exit; 1240a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1241a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX += cf2_stack_popFixed( opStack ); 1242a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1243a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_moveTo( &glyphPath, curX, curY ); 1244a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1245a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang break; 1246a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1247a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdRLINECURVE: 1248a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1249a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 1250a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index = 0; 1251a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1252a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1253a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " rlinecurve\n" )); 1254a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1255a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( index + 6 < count ) 1256a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1257a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX += cf2_stack_getReal( opStack, index + 0 ); 1258a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY += cf2_stack_getReal( opStack, index + 1 ); 1259a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1260a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_lineTo( &glyphPath, curX, curY ); 1261a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index += 2; 1262a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1263a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1264a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( index < count ) 1265a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1266a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x1 = cf2_stack_getReal( opStack, index + 0 ) + curX; 1267a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed y1 = cf2_stack_getReal( opStack, index + 1 ) + curY; 1268a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x2 = cf2_stack_getReal( opStack, index + 2 ) + x1; 1269a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed y2 = cf2_stack_getReal( opStack, index + 3 ) + y1; 1270a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x3 = cf2_stack_getReal( opStack, index + 4 ) + x2; 1271a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed y3 = cf2_stack_getReal( opStack, index + 5 ) + y2; 1272a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1273a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1274a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); 1275a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1276a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX = x3; 1277a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY = y3; 1278a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index += 6; 1279a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1280a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1281a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 1282a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1283a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* no need to clear stack again */ 1284a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1285a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdVVCURVETO: 1286a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1287a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 1288a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index = 0; 1289a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1290a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1291a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " vvcurveto\n" )); 1292a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1293a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( index < count ) 1294a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1295a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x1, y1, x2, y2, x3, y3; 1296a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1297a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1298a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( ( count - index ) & 1 ) 1299a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1300a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x1 = cf2_stack_getReal( opStack, index ) + curX; 1301a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1302a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ++index; 1303a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1304a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 1305a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x1 = curX; 1306a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1307a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y1 = cf2_stack_getReal( opStack, index + 0 ) + curY; 1308a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x2 = cf2_stack_getReal( opStack, index + 1 ) + x1; 1309a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y2 = cf2_stack_getReal( opStack, index + 2 ) + y1; 1310a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x3 = x2; 1311a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y3 = cf2_stack_getReal( opStack, index + 3 ) + y2; 1312a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1313a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); 1314a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1315a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX = x3; 1316a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY = y3; 1317a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index += 4; 1318a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1319a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1320a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 1321a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1322a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* no need to clear stack again */ 1323a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1324a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHHCURVETO: 1325a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1326a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 1327a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index = 0; 1328a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1329a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1330a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " hhcurveto\n" )); 1331a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1332a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( index < count ) 1333a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1334a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x1, y1, x2, y2, x3, y3; 1335a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1336a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1337a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( ( count - index ) & 1 ) 1338a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1339a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y1 = cf2_stack_getReal( opStack, index ) + curY; 1340a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1341a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ++index; 1342a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1343a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 1344a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y1 = curY; 1345a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1346a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x1 = cf2_stack_getReal( opStack, index + 0 ) + curX; 1347a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x2 = cf2_stack_getReal( opStack, index + 1 ) + x1; 1348a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y2 = cf2_stack_getReal( opStack, index + 2 ) + y1; 1349a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x3 = cf2_stack_getReal( opStack, index + 3 ) + x2; 1350a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y3 = y2; 1351a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1352a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); 1353a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1354a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX = x3; 1355a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY = y3; 1356a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index += 4; 1357a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1358a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1359a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 1360a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1361a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* no need to clear stack again */ 1362a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1363a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdVHCURVETO: 1364a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdHVCURVETO: 1365a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1366a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt count = cf2_stack_count( opStack ); 1367a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_UInt index = 0; 1368a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1369a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_Bool alternate = op1 == cf2_cmdHVCURVETO; 1370a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1371a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1372a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( alternate ? " hvcurveto\n" : " vhcurveto\n" )); 1373a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1374a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang while ( index < count ) 1375a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1376a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed x1, x2, x3, y1, y2, y3; 1377a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1378a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1379a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( alternate ) 1380a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1381a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x1 = cf2_stack_getReal( opStack, index + 0 ) + curX; 1382a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y1 = curY; 1383a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x2 = cf2_stack_getReal( opStack, index + 1 ) + x1; 1384a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y2 = cf2_stack_getReal( opStack, index + 2 ) + y1; 1385a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y3 = cf2_stack_getReal( opStack, index + 3 ) + y2; 1386a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1387a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( count - index == 5 ) 1388a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1389a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x3 = cf2_stack_getReal( opStack, index + 4 ) + x2; 1390a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1391a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ++index; 1392a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1393a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 1394a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x3 = x2; 1395a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1396a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang alternate = FALSE; 1397a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1398a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 1399a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1400a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x1 = curX; 1401a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y1 = cf2_stack_getReal( opStack, index + 0 ) + curY; 1402a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x2 = cf2_stack_getReal( opStack, index + 1 ) + x1; 1403a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y2 = cf2_stack_getReal( opStack, index + 2 ) + y1; 1404a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang x3 = cf2_stack_getReal( opStack, index + 3 ) + x2; 1405a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1406a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( count - index == 5 ) 1407a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1408a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y3 = cf2_stack_getReal( opStack, index + 4 ) + y2; 1409a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1410a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ++index; 1411a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1412a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else 1413a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang y3 = y2; 1414a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1415a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang alternate = TRUE; 1416a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1417a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1418a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_curveTo( &glyphPath, x1, y1, x2, y2, x3, y3 ); 1419a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1420a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curX = x3; 1421a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang curY = y3; 1422a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang index += 4; 1423a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1424a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1425a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 1426a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1427a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* no need to clear stack again */ 1428a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1429a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang case cf2_cmdEXTENDEDNMBR: 1430a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1431a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Int v; 1432a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1433a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1434a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v = (FT_Short)( ( cf2_buf_readByte( charstring ) << 8 ) | 1435a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_buf_readByte( charstring ) ); 1436a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1437a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " %d", v )); 1438a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1439a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_pushInt( opStack, v ); 1440a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1441a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; 1442a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1443a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang default: 1444a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* numbers */ 1445a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1446a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang if ( /* op1 >= 32 && */ op1 <= 246 ) 1447a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1448a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Int v; 1449a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1450a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1451a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v = op1 - 139; 1452a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1453a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " %d", v )); 1454a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1455a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* -107 .. 107 */ 1456a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_pushInt( opStack, v ); 1457a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1458a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1459a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else if ( /* op1 >= 247 && */ op1 <= 250 ) 1460a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1461a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Int v; 1462a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1463a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1464a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v = op1; 1465a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v -= 247; 1466a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v *= 256; 1467a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v += cf2_buf_readByte( charstring ); 1468a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v += 108; 1469a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1470a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " %d", v )); 1471a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1472a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* 108 .. 1131 */ 1473a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_pushInt( opStack, v ); 1474a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1475a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1476a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else if ( /* op1 >= 251 && */ op1 <= 254 ) 1477a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1478a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Int v; 1479a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1480a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1481a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v = op1; 1482a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v -= 251; 1483a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v *= 256; 1484a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v += cf2_buf_readByte( charstring ); 1485a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v = -v - 108; 1486a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1487a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " %d", v )); 1488a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1489a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* -1131 .. -108 */ 1490a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_pushInt( opStack, v ); 1491a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1492a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1493a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang else /* op1 == 255 */ 1494a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang { 1495a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang CF2_Fixed v; 1496a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1497a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1498a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang v = (CF2_Fixed) 1499a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ( ( (FT_UInt32)cf2_buf_readByte( charstring ) << 24 ) | 1500a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ( (FT_UInt32)cf2_buf_readByte( charstring ) << 16 ) | 1501a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang ( (FT_UInt32)cf2_buf_readByte( charstring ) << 8 ) | 1502a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang (FT_UInt32)cf2_buf_readByte( charstring ) ); 1503a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1504a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( " %.2f", v / 65536.0 )); 1505a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1506a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_pushFixed( opStack, v ); 1507a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1508a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1509a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang continue; /* don't clear stack */ 1510a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1511a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } /* end of switch statement checking `op1' */ 1512a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1513a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_clear( opStack ); 1514a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1515a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } /* end of main interpreter loop */ 1516a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1517a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* we get here if the charstring ends without cf2_cmdENDCHAR */ 1518a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "cf2_interpT2CharString:" 1519a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang " charstring ends without ENDCHAR\n" )); 1520a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1521a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang exit: 1522a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* check whether last error seen is also the first one */ 1523a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_setError( error, lastError ); 1524a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1525a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang /* free resources from objects we've used */ 1526a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_glyphpath_finalize( &glyphPath ); 1527a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_finalize( &vStemHintArray ); 1528a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_finalize( &hStemHintArray ); 1529a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_arrstack_finalize( &subrStack ); 1530a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang cf2_stack_free( opStack ); 1531a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1532a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang FT_TRACE4(( "\n" )); 1533a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1534a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang return; 1535a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang } 1536a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1537a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang 1538a2b9955b49034a51dfbc8bf9f4e9d312149cecacXianzhu Wang/* END */ 1539