53 lines
1.4 KiB
Erlang
53 lines
1.4 KiB
Erlang
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-module(maxp).
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-export([parse_maxp_table/1]).
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-import(read_utils, [read_fixed_version/1]).
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-include("sizes.hrl").
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parse_maxp_table(
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<<FixedVersion:?FIXED_SIZE/binary,
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NumGlyphs:16, Tail/binary>>) ->
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Version = read_fixed_version(FixedVersion),
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case lists:member(Version, [0.5, 1.0]) of
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false -> throw({invalid_version, Version});
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true -> if Version == 0.5 -> [
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{version, Version},
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{num_glyphs, NumGlyphs}
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]; true ->
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<<
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MaxPoints:16,
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MaxContours:16,
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MaxCompositePoints:16,
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MaxCompositeContours:16,
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MaxZones:16,
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MaxTwilightPoints:16,
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MaxStorage:16,
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MaxFunctionDefs:16,
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MaxInstructionDefs:16,
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MaxStackElements:16,
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MaxSizeOfInstructions:16,
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MaxComponentElements:16,
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MaxComponentDepth:16,
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_/binary
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>> = Tail,
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[
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{version, Version},
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{num_glyphs, NumGlyphs},
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{max_points, MaxPoints},
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{max_contours, MaxContours},
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{max_composite_points, MaxCompositePoints},
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{max_composite_contours, MaxCompositeContours},
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{max_zones, MaxZones},
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{max_twilight_points, MaxTwilightPoints},
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{max_storage, MaxStorage},
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{max_function_defs, MaxFunctionDefs},
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{max_instruction_defs, MaxInstructionDefs},
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{max_stack_elements, MaxStackElements},
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{max_size_of_instructions, MaxSizeOfInstructions},
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{max_component_elements, MaxComponentElements},
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{max_component_depth, MaxComponentDepth}
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]
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end
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end.
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