Start work on rendering fonts using FreeType

freetype/raw.py

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+# -*- coding: utf-8 -*-
+# -----------------------------------------------------------------------------
+#  FreeType high-level python API - Copyright 2011-2015 Nicolas P. Rougier
+#  Distributed under the terms of the new BSD license.
+# -----------------------------------------------------------------------------
+'''
+Freetype raw API
+
+This is the raw ctypes freetype binding.
+'''
+import os
+import platform
+from ctypes import *
+import ctypes.util
+
+from freetype.ft_types import *
+from freetype.ft_enums import *
+from freetype.ft_errors import *
+from freetype.ft_structs import *
+
+# on windows all ctypes does when checking for the library
+# is to append .dll to the end and look for an exact match
+# within any entry in PATH.
+filename = ctypes.util.find_library('freetype')
+
+if filename is None:
+    if platform.system() == 'Windows':
+        # Check current working directory for dll as ctypes fails to do so
+        filename = os.path.join(os.path.realpath('.'), 'freetype.dll')
+    else:
+        filename = 'libfreetype.so.6'
+
+try:
+    _lib = ctypes.CDLL(filename)
+except (OSError, TypeError):
+    _lib = None
+    raise RuntimeError('Freetype library not found')
+
+FT_Init_FreeType       = _lib.FT_Init_FreeType
+FT_Done_FreeType       = _lib.FT_Done_FreeType
+FT_Library_Version     = _lib.FT_Library_Version
+
+try:
+    FT_Library_SetLcdFilter= _lib.FT_Library_SetLcdFilter
+except AttributeError:
+    def FT_Library_SetLcdFilter (*args, **kwargs):
+        return 0
+try:
+    FT_Library_SetLcdFilterWeights = _lib.FT_Library_SetLcdFilterWeights
+except AttributeError:
+    pass
+
+FT_New_Face            = _lib.FT_New_Face
+FT_New_Memory_Face     = _lib.FT_New_Memory_Face
+FT_Open_Face           = _lib.FT_Open_Face
+FT_Attach_File         = _lib.FT_Attach_File
+FT_Attach_Stream       = _lib.FT_Attach_Stream
+
+try:
+    FT_Reference_Face      = _lib.FT_Reference_Face
+except AttributeError:
+	pass
+
+FT_Done_Face           = _lib.FT_Done_Face
+FT_Done_Glyph          = _lib.FT_Done_Glyph
+FT_Select_Size         = _lib.FT_Select_Size
+FT_Request_Size        = _lib.FT_Request_Size
+FT_Set_Char_Size       = _lib.FT_Set_Char_Size
+FT_Set_Pixel_Sizes     = _lib.FT_Set_Pixel_Sizes
+FT_Load_Glyph          = _lib.FT_Load_Glyph
+FT_Load_Char           = _lib.FT_Load_Char
+FT_Set_Transform       = _lib.FT_Set_Transform
+FT_Render_Glyph        = _lib.FT_Render_Glyph
+FT_Get_Kerning         = _lib.FT_Get_Kerning
+FT_Get_Track_Kerning   = _lib.FT_Get_Track_Kerning
+FT_Get_Glyph_Name      = _lib.FT_Get_Glyph_Name
+FT_Get_Glyph           = _lib.FT_Get_Glyph
+
+FT_Glyph_Get_CBox      = _lib.FT_Glyph_Get_CBox
+
+FT_Get_Postscript_Name = _lib.FT_Get_Postscript_Name
+FT_Get_Postscript_Name.restype = c_char_p
+FT_Select_Charmap      = _lib.FT_Select_Charmap
+FT_Set_Charmap         = _lib.FT_Set_Charmap
+FT_Get_Charmap_Index   = _lib.FT_Get_Charmap_Index
+FT_Get_CMap_Language_ID= _lib.FT_Get_CMap_Language_ID
+FT_Get_CMap_Format     = _lib.FT_Get_CMap_Format
+FT_Get_Char_Index      = _lib.FT_Get_Char_Index
+FT_Get_First_Char      = _lib.FT_Get_First_Char
+FT_Get_Next_Char       = _lib.FT_Get_Next_Char
+FT_Get_Name_Index      = _lib.FT_Get_Name_Index
+FT_Get_SubGlyph_Info   = _lib.FT_Get_SubGlyph_Info
+
+try:
+    FT_Get_FSType_Flags    = _lib.FT_Get_FSType_Flags
+    FT_Get_FSType_Flags.restype  = c_ushort
+except AttributeError:
+	pass
+
+FT_Get_X11_Font_Format = _lib.FT_Get_X11_Font_Format
+FT_Get_X11_Font_Format.restype = c_char_p
+
+FT_Get_Sfnt_Name_Count = _lib.FT_Get_Sfnt_Name_Count
+FT_Get_Sfnt_Name       = _lib.FT_Get_Sfnt_Name
+FT_Get_Advance         = _lib.FT_Get_Advance
+
+
+FT_Outline_GetInsideBorder  = _lib.FT_Outline_GetInsideBorder
+FT_Outline_GetOutsideBorder = _lib.FT_Outline_GetOutsideBorder
+FT_Outline_Get_BBox         = _lib.FT_Outline_Get_BBox
+FT_Outline_Get_CBox         = _lib.FT_Outline_Get_CBox
+FT_Stroker_New              = _lib.FT_Stroker_New
+FT_Stroker_Set              = _lib.FT_Stroker_Set
+FT_Stroker_Rewind           = _lib.FT_Stroker_Rewind
+FT_Stroker_ParseOutline     = _lib.FT_Stroker_ParseOutline
+FT_Stroker_BeginSubPath     = _lib.FT_Stroker_BeginSubPath
+FT_Stroker_EndSubPath       = _lib.FT_Stroker_EndSubPath
+FT_Stroker_LineTo           = _lib.FT_Stroker_LineTo
+FT_Stroker_ConicTo          = _lib.FT_Stroker_ConicTo
+FT_Stroker_CubicTo          = _lib.FT_Stroker_CubicTo
+FT_Stroker_GetBorderCounts  = _lib.FT_Stroker_GetBorderCounts
+FT_Stroker_ExportBorder     = _lib.FT_Stroker_ExportBorder
+FT_Stroker_GetCounts        = _lib.FT_Stroker_GetCounts
+FT_Stroker_Export           = _lib.FT_Stroker_Export
+FT_Stroker_Done             = _lib.FT_Stroker_Done
+FT_Glyph_Stroke             = _lib.FT_Glyph_Stroke
+FT_Glyph_StrokeBorder       = _lib.FT_Glyph_StrokeBorder
+FT_Glyph_To_Bitmap          = _lib.FT_Glyph_To_Bitmap