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md-icon"></span> + </label> + <nav class="md-nav" aria-label="Extended API" data-md-level="1"> + <label class="md-nav__title" for="__nav_5"> + <span class="md-nav__icon md-icon"></span> + Extended API + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-glyph_variants.html" class="md-nav__link"> + Unicode Variation Sequences + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-color_management.html" class="md-nav__link"> + Glyph Color Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-layer_management.html" class="md-nav__link"> + Glyph Layer Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-glyph_management.html" class="md-nav__link"> + Glyph Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-mac_specific.html" class="md-nav__link"> + Mac Specific Interface + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-sizes_management.html" class="md-nav__link"> + Size Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-header_file_macros.html" class="md-nav__link"> + Header File Macros + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_6" type="checkbox" id="__nav_6" > + + <label class="md-nav__link" for="__nav_6"> + Format-Specific API + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Format-Specific API" data-md-level="1"> + <label class="md-nav__title" for="__nav_6"> + <span class="md-nav__icon md-icon"></span> + Format-Specific API + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-multiple_masters.html" class="md-nav__link"> + Multiple Masters + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-truetype_tables.html" class="md-nav__link"> + TrueType Tables + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-type1_tables.html" class="md-nav__link"> + Type 1 Tables + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-sfnt_names.html" class="md-nav__link"> + SFNT Names + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-bdf_fonts.html" class="md-nav__link"> + BDF and PCF Files + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-cid_fonts.html" class="md-nav__link"> + CID Fonts + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-pfr_fonts.html" class="md-nav__link"> + PFR Fonts + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-winfnt_fonts.html" class="md-nav__link"> + Window FNT Files + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-svg_fonts.html" class="md-nav__link"> + OpenType SVG Fonts + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-font_formats.html" class="md-nav__link"> + Font Formats + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-gasp_table.html" class="md-nav__link"> + Gasp Table + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" > + + <label class="md-nav__link" for="__nav_7"> + Controlling FreeType Modules + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Controlling FreeType Modules" data-md-level="1"> + <label class="md-nav__title" for="__nav_7"> + <span class="md-nav__icon md-icon"></span> + Controlling FreeType Modules + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-auto_hinter.html" class="md-nav__link"> + The auto-hinter + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-cff_driver.html" class="md-nav__link"> + The CFF driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-t1_cid_driver.html" class="md-nav__link"> + The Type 1 and CID drivers + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-tt_driver.html" class="md-nav__link"> + The TrueType driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-pcf_driver.html" class="md-nav__link"> + The PCF driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-ot_svg_driver.html" class="md-nav__link"> + The SVG driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-properties.html" class="md-nav__link"> + Driver properties + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-parameter_tags.html" class="md-nav__link"> + Parameter Tags + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-lcd_rendering.html" class="md-nav__link"> + Subpixel Rendering + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" > + + <label class="md-nav__link" for="__nav_8"> + Cache Sub-System + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Cache Sub-System" data-md-level="1"> + <label class="md-nav__title" for="__nav_8"> + <span class="md-nav__icon md-icon"></span> + Cache Sub-System + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-cache_subsystem.html" class="md-nav__link"> + Cache Sub-System + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_9" type="checkbox" id="__nav_9" > + + <label class="md-nav__link" for="__nav_9"> + Support API + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Support API" data-md-level="1"> + <label class="md-nav__title" for="__nav_9"> + <span class="md-nav__icon md-icon"></span> + Support API + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-computations.html" class="md-nav__link"> + Computations + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-list_processing.html" class="md-nav__link"> + List Processing + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-outline_processing.html" class="md-nav__link"> + Outline Processing + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-quick_advance.html" class="md-nav__link"> + Quick retrieval of advance values + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-bitmap_handling.html" class="md-nav__link"> + Bitmap Handling + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-raster.html" class="md-nav__link"> + Scanline Converter + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-glyph_stroker.html" class="md-nav__link"> + Glyph Stroker + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-system_interface.html" class="md-nav__link"> + System Interface + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-module_management.html" class="md-nav__link"> + Module Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-gzip.html" class="md-nav__link"> + GZIP Streams + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-lzw.html" class="md-nav__link"> + LZW Streams + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-bzip2.html" class="md-nav__link"> + BZIP2 Streams + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-debugging_apis.html" class="md-nav__link"> + External Debugging APIs + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + + + <li class="md-nav__item md-nav__item--active md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_10" type="checkbox" id="__nav_10" checked> + + <label class="md-nav__link" for="__nav_10"> + Error Codes + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Error Codes" data-md-level="1"> + <label class="md-nav__title" for="__nav_10"> + <span class="md-nav__icon md-icon"></span> + Error Codes + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-error_enumerations.html" class="md-nav__link"> + Error Enumerations + </a> + </li> + + + + + + + + + + <li class="md-nav__item md-nav__item--active"> + + <input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc"> + + + + + + <label class="md-nav__link md-nav__link--active" for="__toc"> + Error Code Values + <span class="md-nav__icon 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class="headerlink" href="#synopsis" title="Permanent link">¶</a></h2> +<p>The list below is taken verbatim from the file <code>fterrdef.h</code> (loaded automatically by including <code>FT_FREETYPE_H</code>). The first argument of the <code>FT_ERROR_DEF_</code> macro is the error label; by default, the prefix <code>FT_Err_</code> gets added so that you get error names like <code>FT_Err_Cannot_Open_Resource</code>. The second argument is the error code, and the last argument an error string, which is not used by FreeType.</p> +<p>Within your application you should <strong>only</strong> use error names and <strong>never</strong> its numeric values! The latter might (and actually do) change in forthcoming FreeType versions.</p> +<p>Macro <code>FT_NOERRORDEF_</code> defines <code>FT_Err_Ok</code>, which is always zero. See the ‘Error Enumerations’ subsection how to automatically generate a list of error strings.</p> +<h2 id="ft_err_xxx">FT_Err_XXX<a class="headerlink" href="#ft_err_xxx" title="Permanent link">¶</a></h2> +<div class = "codehilite"><pre><code> /* generic errors */ + + FT_NOERRORDEF_( Ok, 0x00, + "no error" ) + + FT_ERRORDEF_( Cannot_Open_Resource, 0x01, + "cannot open resource" ) + FT_ERRORDEF_( Unknown_File_Format, 0x02, + "unknown file format" ) + FT_ERRORDEF_( Invalid_File_Format, 0x03, + "broken file" ) + FT_ERRORDEF_( Invalid_Version, 0x04, + "invalid FreeType version" ) + FT_ERRORDEF_( Lower_Module_Version, 0x05, + "module version is too low" ) + FT_ERRORDEF_( Invalid_Argument, 0x06, + "invalid argument" ) + FT_ERRORDEF_( Unimplemented_Feature, 0x07, + "unimplemented feature" ) + FT_ERRORDEF_( Invalid_Table, 0x08, + "broken table" ) + FT_ERRORDEF_( Invalid_Offset, 0x09, + "broken offset within table" ) + FT_ERRORDEF_( Array_Too_Large, 0x0A, + "array allocation size too large" ) + FT_ERRORDEF_( Missing_Module, 0x0B, + "missing module" ) + FT_ERRORDEF_( Missing_Property, 0x0C, + "missing property" ) + + /* glyph/character errors */ + + FT_ERRORDEF_( Invalid_Glyph_Index, 0x10, + "invalid glyph index" ) + FT_ERRORDEF_( Invalid_Character_Code, 0x11, + "invalid character code" ) + FT_ERRORDEF_( Invalid_Glyph_Format, 0x12, + "unsupported glyph image format" ) + FT_ERRORDEF_( Cannot_Render_Glyph, 0x13, + "cannot render this glyph format" ) + FT_ERRORDEF_( Invalid_Outline, 0x14, + "invalid outline" ) + FT_ERRORDEF_( Invalid_Composite, 0x15, + "invalid composite glyph" ) + FT_ERRORDEF_( Too_Many_Hints, 0x16, + "too many hints" ) + FT_ERRORDEF_( Invalid_Pixel_Size, 0x17, + "invalid pixel size" ) + FT_ERRORDEF_( Invalid_SVG_Document, 0x18, + "invalid SVG document" ) + + /* handle errors */ + + FT_ERRORDEF_( Invalid_Handle, 0x20, + "invalid object handle" ) + FT_ERRORDEF_( Invalid_Library_Handle, 0x21, + "invalid library handle" ) + FT_ERRORDEF_( Invalid_Driver_Handle, 0x22, + "invalid module handle" ) + FT_ERRORDEF_( Invalid_Face_Handle, 0x23, + "invalid face handle" ) + FT_ERRORDEF_( Invalid_Size_Handle, 0x24, + "invalid size handle" ) + FT_ERRORDEF_( Invalid_Slot_Handle, 0x25, + "invalid glyph slot handle" ) + FT_ERRORDEF_( Invalid_CharMap_Handle, 0x26, + "invalid charmap handle" ) + FT_ERRORDEF_( Invalid_Cache_Handle, 0x27, + "invalid cache manager handle" ) + FT_ERRORDEF_( Invalid_Stream_Handle, 0x28, + "invalid stream handle" ) + + /* driver errors */ + + FT_ERRORDEF_( Too_Many_Drivers, 0x30, + "too many modules" ) + FT_ERRORDEF_( Too_Many_Extensions, 0x31, + "too many extensions" ) + + /* memory errors */ + + FT_ERRORDEF_( Out_Of_Memory, 0x40, + "out of memory" ) + FT_ERRORDEF_( Unlisted_Object, 0x41, + "unlisted object" ) + + /* stream errors */ + + FT_ERRORDEF_( Cannot_Open_Stream, 0x51, + "cannot open stream" ) + FT_ERRORDEF_( Invalid_Stream_Seek, 0x52, + "invalid stream seek" ) + FT_ERRORDEF_( Invalid_Stream_Skip, 0x53, + "invalid stream skip" ) + FT_ERRORDEF_( Invalid_Stream_Read, 0x54, + "invalid stream read" ) + FT_ERRORDEF_( Invalid_Stream_Operation, 0x55, + "invalid stream operation" ) + FT_ERRORDEF_( Invalid_Frame_Operation, 0x56, + "invalid frame operation" ) + FT_ERRORDEF_( Nested_Frame_Access, 0x57, + "nested frame access" ) + FT_ERRORDEF_( Invalid_Frame_Read, 0x58, + "invalid frame read" ) + + /* raster errors */ + + FT_ERRORDEF_( Raster_Uninitialized, 0x60, + "raster uninitialized" ) + FT_ERRORDEF_( Raster_Corrupted, 0x61, + "raster corrupted" ) + FT_ERRORDEF_( Raster_Overflow, 0x62, + "raster overflow" ) + FT_ERRORDEF_( Raster_Negative_Height, 0x63, + "negative height while rastering" ) + + /* cache errors */ + + FT_ERRORDEF_( Too_Many_Caches, 0x70, + "too many registered caches" ) + + /* TrueType and SFNT errors */ + + FT_ERRORDEF_( Invalid_Opcode, 0x80, + "invalid opcode" ) + FT_ERRORDEF_( Too_Few_Arguments, 0x81, + "too few arguments" ) + FT_ERRORDEF_( Stack_Overflow, 0x82, + "stack overflow" ) + FT_ERRORDEF_( Code_Overflow, 0x83, + "code overflow" ) + FT_ERRORDEF_( Bad_Argument, 0x84, + "bad argument" ) + FT_ERRORDEF_( Divide_By_Zero, 0x85, + "division by zero" ) + FT_ERRORDEF_( Invalid_Reference, 0x86, + "invalid reference" ) + FT_ERRORDEF_( Debug_OpCode, 0x87, + "found debug opcode" ) + FT_ERRORDEF_( ENDF_In_Exec_Stream, 0x88, + "found ENDF opcode in execution stream" ) + FT_ERRORDEF_( Nested_DEFS, 0x89, + "nested DEFS" ) + FT_ERRORDEF_( Invalid_CodeRange, 0x8A, + "invalid code range" ) + FT_ERRORDEF_( Execution_Too_Long, 0x8B, + "execution context too <span class="keyword">long</span>" ) + FT_ERRORDEF_( Too_Many_Function_Defs, 0x8C, + "too many function definitions" ) + FT_ERRORDEF_( Too_Many_Instruction_Defs, 0x8D, + "too many instruction definitions" ) + FT_ERRORDEF_( Table_Missing, 0x8E, + "SFNT font table missing" ) + FT_ERRORDEF_( Horiz_Header_Missing, 0x8F, + "horizontal header (hhea) table missing" ) + FT_ERRORDEF_( Locations_Missing, 0x90, + "locations (loca) table missing" ) + FT_ERRORDEF_( Name_Table_Missing, 0x91, + "name table missing" ) + FT_ERRORDEF_( CMap_Table_Missing, 0x92, + "character map (cmap) table missing" ) + FT_ERRORDEF_( Hmtx_Table_Missing, 0x93, + "horizontal metrics (hmtx) table missing" ) + FT_ERRORDEF_( Post_Table_Missing, 0x94, + "PostScript (post) table missing" ) + FT_ERRORDEF_( Invalid_Horiz_Metrics, 0x95, + "invalid horizontal metrics" ) + FT_ERRORDEF_( Invalid_CharMap_Format, 0x96, + "invalid character map (cmap) format" ) + FT_ERRORDEF_( Invalid_PPem, 0x97, + "invalid ppem value" ) + FT_ERRORDEF_( Invalid_Vert_Metrics, 0x98, + "invalid vertical metrics" ) + FT_ERRORDEF_( Could_Not_Find_Context, 0x99, + "could not find context" ) + FT_ERRORDEF_( Invalid_Post_Table_Format, 0x9A, + "invalid PostScript (post) table format" ) + FT_ERRORDEF_( Invalid_Post_Table, 0x9B, + "invalid PostScript (post) table" ) + FT_ERRORDEF_( DEF_In_Glyf_Bytecode, 0x9C, + "found FDEF or IDEF opcode in glyf bytecode" ) + FT_ERRORDEF_( Missing_Bitmap, 0x9D, + "missing bitmap in strike" ) + FT_ERRORDEF_( Missing_SVG_Hooks, 0x9E, + "SVG hooks have not been set" ) + + /* CFF, CID, and Type 1 errors */ + + FT_ERRORDEF_( Syntax_Error, 0xA0, + "opcode syntax error" ) + FT_ERRORDEF_( Stack_Underflow, 0xA1, + "argument stack underflow" ) + FT_ERRORDEF_( Ignore, 0xA2, + "ignore" ) + FT_ERRORDEF_( No_Unicode_Glyph_Name, 0xA3, + "no Unicode glyph name found" ) + FT_ERRORDEF_( Glyph_Too_Big, 0xA4, + "glyph too big for hinting" ) + + /* BDF errors */ + + FT_ERRORDEF_( Missing_Startfont_Field, 0xB0, + "`STARTFONT' field missing" ) + FT_ERRORDEF_( Missing_Font_Field, 0xB1, + "`FONT' field missing" ) + FT_ERRORDEF_( Missing_Size_Field, 0xB2, + "`SIZE' field missing" ) + FT_ERRORDEF_( Missing_Fontboundingbox_Field, 0xB3, + "`FONTBOUNDINGBOX' field missing" ) + FT_ERRORDEF_( Missing_Chars_Field, 0xB4, + "`CHARS' field missing" ) + FT_ERRORDEF_( Missing_Startchar_Field, 0xB5, + "`STARTCHAR' field missing" ) + FT_ERRORDEF_( Missing_Encoding_Field, 0xB6, + "`ENCODING' field missing" ) + FT_ERRORDEF_( Missing_Bbx_Field, 0xB7, + "`BBX' field missing" ) + FT_ERRORDEF_( Bbx_Too_Big, 0xB8, + "`BBX' too big" ) + FT_ERRORDEF_( Corrupted_Font_Header, 0xB9, + "Font header corrupted or missing fields" ) + FT_ERRORDEF_( Corrupted_Font_Glyphs, 0xBA, + "Font glyphs corrupted or missing fields" ) +</code></pre></div> +<hr> + + + + + + + + </article> + </div> + </div> + + </main> + + +<footer class="md-footer"> + + <nav class="md-footer__inner md-grid" aria-label="Footer"> + + + <a href="ft2-error_enumerations.html" class="md-footer__link md-footer__link--prev" aria-label="Previous: Error Enumerations" rel="prev"> + <div class="md-footer__button md-icon"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg> + </div> + <div class="md-footer__title"> + <div class="md-ellipsis"> + <span class="md-footer__direction"> + Previous + 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