{
    "mode": "perldoc",
    "parameter": "Font::TTF::Vhea",
    "section": "",
    "url": "https://www.chedong.com/phpMan.php/perldoc/Font%3A%3ATTF%3A%3AVhea/json",
    "generated": "2026-06-13T22:54:10Z",
    "sections": {
        "NAME": {
            "content": "Font::TTF::Vhea - Vertical Header table\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "This is a simple table with just standards specified instance variables\n",
            "subsections": []
        },
        "INSTANCE VARIABLES": {
            "content": "version\nAscender\nDescender\nLineGap\nadvanceHeightMax\nminTopSideBearing\nminBottomSideBearing\nyMaxExtent\ncaretSlopeRise\ncaretSlopeRun\nmetricDataFormat\nnumberOfVMetrics\n",
            "subsections": []
        },
        "METHODS": {
            "content": "$t->read\nReads the table into memory as instance variables\n\n$t->out($fh)\nWrites the table to a file either from memory or by copying.\n\n$t->minsize()\nReturns the minimum size this table can be. If it is smaller than this, then the table must be\nbad and should be deleted or whatever.\n\n$t->update\nUpdates various parameters in the hhea table from the hmtx table, assuming the \"hmtx\" table is\ndirty.\n",
            "subsections": []
        },
        "BUGS": {
            "content": "None known\n",
            "subsections": []
        },
        "AUTHOR": {
            "content": "Martin Hosken <http://scripts.sil.org/FontUtils>.\n",
            "subsections": []
        },
        "LICENSING": {
            "content": "Copyright (c) 1998-2016, SIL International (http://www.sil.org)\n\nThis module is released under the terms of the Artistic License 2.0. For details, see the full\ntext of the license in the file LICENSE.\n",
            "subsections": []
        }
    },
    "summary": "Font::TTF::Vhea - Vertical Header table",
    "flags": [],
    "examples": [],
    "see_also": []
}