diff options
Diffstat (limited to 'src/psaux/t1decode.c')
| -rw-r--r-- | src/psaux/t1decode.c | 70 |
1 files changed, 38 insertions, 32 deletions
diff --git a/src/psaux/t1decode.c b/src/psaux/t1decode.c index ea67841..6ce370b 100644 --- a/src/psaux/t1decode.c +++ b/src/psaux/t1decode.c @@ -4,7 +4,7 @@ /* */ /* PostScript Type 1 decoding routines (body). */ /* */ -/* Copyright 2000-2011 by */ +/* Copyright 2000-2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -205,7 +205,13 @@ if ( decoder->seac ) { FT_ERROR(( "t1operator_seac: invalid nested seac\n" )); - return PSaux_Err_Syntax_Error; + return FT_THROW( Syntax_Error ); + } + + if ( decoder->builder.metrics_only ) + { + FT_ERROR(( "t1operator_seac: unexpected seac\n" )); + return FT_THROW( Syntax_Error ); } /* seac weirdness */ @@ -222,7 +228,7 @@ { FT_ERROR(( "t1operator_seac:" " glyph names table not available in this font\n" )); - return PSaux_Err_Syntax_Error; + return FT_THROW( Syntax_Error ); } #ifdef FT_CONFIG_OPTION_INCREMENTAL @@ -243,7 +249,7 @@ { FT_ERROR(( "t1operator_seac:" " invalid seac character code arguments\n" )); - return PSaux_Err_Syntax_Error; + return FT_THROW( Syntax_Error ); } /* if we are trying to load a composite glyph, do not load the */ @@ -409,7 +415,7 @@ limit = zone->limit = charstring_base + charstring_len; ip = zone->cursor = zone->base; - error = PSaux_Err_Ok; + error = FT_Err_Ok; x = orig_x = builder->pos_x; y = orig_y = builder->pos_y; @@ -559,10 +565,10 @@ goto Syntax_Error; } - value = (FT_Int32)( ( (FT_Long)ip[0] << 24 ) | - ( (FT_Long)ip[1] << 16 ) | - ( (FT_Long)ip[2] << 8 ) | - ip[3] ); + value = (FT_Int32)( ( (FT_UInt32)ip[0] << 24 ) | + ( (FT_UInt32)ip[1] << 16 ) | + ( (FT_UInt32)ip[2] << 8 ) | + (FT_UInt32)ip[3] ); ip += 4; /* According to the specification, values > 32000 or < -32000 must */ @@ -585,7 +591,7 @@ else { if ( !large_int ) - value <<= 16; + value = (FT_Int32)( (FT_UInt32)value << 16 ); } break; @@ -605,13 +611,13 @@ } if ( ip[-2] < 251 ) - value = ( ( (FT_Int32)ip[-2] - 247 ) << 8 ) + ip[-1] + 108; + value = ( ( ip[-2] - 247 ) * 256 ) + ip[-1] + 108; else - value = -( ( ( (FT_Int32)ip[-2] - 251 ) << 8 ) + ip[-1] + 108 ); + value = -( ( ( ip[-2] - 251 ) * 256 ) + ip[-1] + 108 ); } if ( !large_int ) - value <<= 16; + value = (FT_Int32)( (FT_UInt32)value << 16 ); } else { @@ -750,9 +756,9 @@ decoder->flex_state = 1; decoder->num_flex_vectors = 0; if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok || + != FT_Err_Ok || ( error = t1_builder_check_points( builder, 6 ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; break; @@ -1123,7 +1129,7 @@ FT_TRACE4(( "\n" )); /* return now! */ - return PSaux_Err_Ok; + return FT_Err_Ok; case op_hsbw: FT_TRACE4(( " hsbw" )); @@ -1143,7 +1149,7 @@ /* the glyph's metrics (lsb + advance width), not load the */ /* rest of it; so exit immediately */ if ( builder->metrics_only ) - return PSaux_Err_Ok; + return FT_Err_Ok; break; @@ -1172,7 +1178,7 @@ /* the glyph's metrics (lsb + advance width), not load the */ /* rest of it; so exit immediately */ if ( builder->metrics_only ) - return PSaux_Err_Ok; + return FT_Err_Ok; break; @@ -1191,7 +1197,7 @@ FT_TRACE4(( " hlineto" )); if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; x += top[0]; @@ -1213,9 +1219,9 @@ FT_TRACE4(( " hvcurveto" )); if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok || + != FT_Err_Ok || ( error = t1_builder_check_points( builder, 3 ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; x += top[0]; @@ -1231,7 +1237,7 @@ FT_TRACE4(( " rlineto" )); if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; x += top[0]; @@ -1239,7 +1245,7 @@ Add_Line: if ( ( error = t1_builder_add_point1( builder, x, y ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; break; @@ -1260,9 +1266,9 @@ FT_TRACE4(( " rrcurveto" )); if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok || + != FT_Err_Ok || ( error = t1_builder_check_points( builder, 3 ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; x += top[0]; @@ -1282,9 +1288,9 @@ FT_TRACE4(( " vhcurveto" )); if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok || + != FT_Err_Ok || ( error = t1_builder_check_points( builder, 3 ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; y += top[0]; @@ -1300,7 +1306,7 @@ FT_TRACE4(( " vlineto" )); if ( ( error = t1_builder_start_point( builder, x, y ) ) - != PSaux_Err_Ok ) + != FT_Err_Ok ) goto Fail; y += top[0]; @@ -1539,10 +1545,10 @@ return error; Syntax_Error: - return PSaux_Err_Syntax_Error; + return FT_THROW( Syntax_Error ); Stack_Underflow: - return PSaux_Err_Stack_Underflow; + return FT_THROW( Stack_Underflow ); } @@ -1579,7 +1585,7 @@ { FT_ERROR(( "t1_decoder_init:" " the `psnames' module is not available\n" )); - return PSaux_Err_Unimplemented_Feature; + return FT_THROW( Unimplemented_Feature ); } decoder->psnames = psnames; @@ -1599,7 +1605,7 @@ decoder->funcs = t1_decoder_funcs; - return PSaux_Err_Ok; + return FT_Err_Ok; } |