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Add get_font_fallback on Windows #24

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528329a
Add get_font_fallback on Windows
moi15moi Oct 21, 2024
9c48472
Add some print
moi15moi Oct 22, 2024
e7fa056
Correct the memory bug
moi15moi Oct 22, 2024
1312e8b
Add _get_font_fallback_windows_8_1_or_more
moi15moi Oct 24, 2024
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9 changes: 8 additions & 1 deletion find_system_fonts_filename/fonts_filename.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,15 @@
from os import name
from pathlib import Path
from platform import system
from typing import Set
from typing import Optional, Set
from .exceptions import OSNotSupported
from .system_fonts import SystemFonts

__all__ = [
"get_system_fonts_filename",
"install_font",
"uninstall_font",
"get_font_fallback",
]


Expand Down Expand Up @@ -69,3 +70,9 @@ def uninstall_font(font_filename: Path, remove_font_in_registry: bool = False) -
raise FileNotFoundError(f"The file \"{font_filename}\" doesn't exist")

return get_system_fonts_class().uninstall_font(font_filename, remove_font_in_registry)


def get_font_fallback(family_name: str, font_weight: int, is_italic: bool, characters: str) -> Optional[Path]:
"""TODO
"""
return get_system_fonts_class().get_font_fallback(family_name, font_weight, is_italic, characters)
10 changes: 9 additions & 1 deletion find_system_fonts_filename/system_fonts.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
from abc import ABC, abstractmethod
from pathlib import Path
from typing import Set
from typing import Optional, Set


class SystemFonts(ABC):
Expand All @@ -27,3 +27,11 @@ def uninstall_font(font_filename: Path, remove_font_in_registry: bool) -> None:
Uninstall a font from it's filename.
"""
pass

@staticmethod
@abstractmethod
def get_font_fallback(family_name: str, font_weight: int, is_italic: bool, characters: str) -> Optional[Path]:
"""
TODO.
"""
pass
247 changes: 242 additions & 5 deletions find_system_fonts_filename/windows/dwrite.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
from .gdi32 import LOGFONTW
from comtypes import GUID, HRESULT, IUnknown, STDMETHOD
from ctypes import POINTER, windll, wintypes
from ctypes import POINTER, Structure, c_uint16, c_uint32, windll, wintypes
from enum import IntEnum, IntFlag

__all__ = [
Expand Down Expand Up @@ -88,6 +88,36 @@ class DWRITE_INFORMATIONAL_STRING_ID(IntEnum):
DWRITE_INFORMATIONAL_STRING_WWS_FAMILY_NAME = DWRITE_INFORMATIONAL_STRING_WEIGHT_STRETCH_STYLE_FAMILY_NAME


class DWRITE_FONT_STYLE(IntEnum):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ne-dwrite-dwrite_font_style
DWRITE_FONT_STYLE_NORMAL = 0
DWRITE_FONT_STYLE_OBLIQUE = 1
DWRITE_FONT_STYLE_ITALIC = 2


class DWRITE_FONT_STRETCH(IntEnum):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ne-dwrite-dwrite_font_stretch
DWRITE_FONT_STRETCH_UNDEFINED = 0
DWRITE_FONT_STRETCH_ULTRA_CONDENSED = 1
DWRITE_FONT_STRETCH_EXTRA_CONDENSED = 2
DWRITE_FONT_STRETCH_CONDENSED = 3
DWRITE_FONT_STRETCH_SEMI_CONDENSED = 4
DWRITE_FONT_STRETCH_NORMAL = 5
DWRITE_FONT_STRETCH_MEDIUM = 5
DWRITE_FONT_STRETCH_SEMI_EXPANDED = 6
DWRITE_FONT_STRETCH_EXPANDED = 7
DWRITE_FONT_STRETCH_EXTRA_EXPANDED = 8
DWRITE_FONT_STRETCH_ULTRA_EXPANDED = 9


class DWRITE_READING_DIRECTION(IntEnum):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ne-dwrite-dwrite_reading_direction
DWRITE_READING_DIRECTION_LEFT_TO_RIGHT = 0
DWRITE_READING_DIRECTION_RIGHT_TO_LEFT = 1
DWRITE_READING_DIRECTION_TOP_TO_BOTTOM = 2
DWRITE_READING_DIRECTION_BOTTOM_TO_TOP = 3


class DWRITE_FONT_SIMULATIONS(IntFlag):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ne-dwrite-dwrite_font_simulations
DWRITE_FONT_SIMULATIONS_NONE = 0x0000
Expand Down Expand Up @@ -209,7 +239,7 @@ class IDWriteFont(IUnknown):
STDMETHOD(HRESULT, "GetInformationalStrings", [wintypes.UINT, POINTER(POINTER(IDWriteLocalizedStrings)), POINTER(wintypes.BOOL)]),
STDMETHOD(None, "GetSimulations"), # Need to be implemented
STDMETHOD(None, "GetMetrics"), # Need to be implemented
STDMETHOD(None, "HasCharacter"), # Need to be implemented
STDMETHOD(HRESULT, "HasCharacter", [wintypes.UINT, POINTER(wintypes.BOOL)]),
STDMETHOD(HRESULT, "CreateFontFace", [POINTER(POINTER(IDWriteFontFace))]),
]

Expand Down Expand Up @@ -271,6 +301,188 @@ class IDWriteFontCollectionLoader(IUnknown):
_iid_ = GUID("{cca920e4-52f0-492b-bfa8-29c72ee0a468}")


class IDWriteInlineObject(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwriteinlineobject
_iid_ = GUID("{8339fde3-106f-47ab-8373-1c6295eb10b3}")
_methods_ = [
STDMETHOD(None, "Draw"), # Need to be implemented
STDMETHOD(None, "GetMetrics"), # Need to be implemented
STDMETHOD(None, "GetOverhangMetrics"), # Need to be implemented
STDMETHOD(None, "GetBreakConditions"), # Need to be implemented
]


class DWRITE_MATRIX(Structure):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_matrix
_fields_ = [
("m11", wintypes.FLOAT),
("m12", wintypes.FLOAT),
("m21", wintypes.FLOAT),
("m22", wintypes.FLOAT),
("dx", wintypes.FLOAT),
("dy", wintypes.FLOAT),
]


class DWRITE_GLYPH_OFFSET(Structure):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_glyph_offset
_fields_ = [
("advanceOffset", wintypes.FLOAT),
("ascenderOffset", wintypes.FLOAT),
]


class DWRITE_GLYPH_RUN(Structure):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_glyph_run
_fields_ = [
("fontFace", POINTER(IDWriteFontFace)),
("fontEmSize", wintypes.FLOAT),
("glyphCount", c_uint32),
("glyphIndices", POINTER(c_uint16)),
("glyphAdvances", POINTER(wintypes.FLOAT)),
("glyphOffsets", POINTER(DWRITE_GLYPH_OFFSET)),
("isSideways", wintypes.BOOL),
("bidiLevel", c_uint32),
]


class DWRITE_GLYPH_RUN_DESCRIPTION(Structure):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_glyph_run_description
_fields_ = [
("localeName", POINTER(wintypes.WCHAR)),
("string", POINTER(wintypes.WCHAR)),
("stringLength", wintypes.UINT),
("clusterMap", POINTER(c_uint16)),
("textPosition", wintypes.UINT),
]


class DWRITE_STRIKETHROUGH(Structure):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_strikethrough
_fields_ = [
("width", wintypes.FLOAT),
("thickness", wintypes.FLOAT),
("offset", wintypes.FLOAT),
("readingDirection", wintypes.UINT),
("flowDirection", wintypes.UINT),
("localeName", POINTER(wintypes.WCHAR)),
("measuringMode", wintypes.UINT),
]


class DWRITE_UNDERLINE(Structure):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/ns-dwrite-dwrite_underline
_fields_ = [
("width", wintypes.FLOAT),
("thickness", wintypes.FLOAT),
("offset", wintypes.FLOAT),
("runHeight", wintypes.FLOAT),
("readingDirection", wintypes.UINT),
("flowDirection", wintypes.UINT),
("localeName", POINTER(wintypes.WCHAR)),
("measuringMode", wintypes.UINT),
]


class IDWritePixelSnapping(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritepixelsnapping
_iid_ = GUID("{eaf3a2da-ecf4-4d24-b644-b34f6842024b}")
_methods_ = [
STDMETHOD(HRESULT, "IsPixelSnappingDisabled", [wintypes.LPVOID, POINTER(wintypes.BOOL)]),
STDMETHOD(HRESULT, "GetCurrentTransform", [wintypes.LPVOID, POINTER(DWRITE_MATRIX)]),
STDMETHOD(HRESULT, "GetPixelsPerDip", [wintypes.LPVOID, POINTER(wintypes.FLOAT)]),
]


class IDWriteTextRenderer(IDWritePixelSnapping):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritetextrenderer
_iid_ = GUID("{ef8a8135-5cc6-45fe-8825-c5a0724eb819}")
_methods_ = [
STDMETHOD(HRESULT, "DrawGlyphRun", [wintypes.LPVOID, wintypes.FLOAT, wintypes.FLOAT, wintypes.INT, POINTER(DWRITE_GLYPH_RUN), POINTER(DWRITE_GLYPH_RUN_DESCRIPTION), POINTER(IUnknown)]),
STDMETHOD(HRESULT, "DrawUnderline", [wintypes.LPVOID, wintypes.FLOAT, wintypes.FLOAT, POINTER(DWRITE_UNDERLINE), POINTER(IUnknown)]),
STDMETHOD(HRESULT, "DrawStrikethrough", [wintypes.LPVOID, wintypes.FLOAT, wintypes.FLOAT, POINTER(DWRITE_STRIKETHROUGH), POINTER(IUnknown)]),
STDMETHOD(HRESULT, "DrawInlineObject", [wintypes.LPVOID, wintypes.FLOAT, wintypes.FLOAT, POINTER(IDWriteInlineObject), wintypes.BOOL, wintypes.BOOL, POINTER(IUnknown)]),
]


class IDWriteTextFormat(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritetextformat
_iid_ = GUID("{9c906818-31d7-4fd3-a151-7c5e225db55a}")
_methods_ = [
STDMETHOD(None, "SetTextAlignment"), # Need to be implemented
STDMETHOD(None, "SetParagraphAlignment"), # Need to be implemented
STDMETHOD(None, "SetWordWrapping"), # Need to be implemented
STDMETHOD(None, "SetReadingDirection"), # Need to be implemented
STDMETHOD(None, "SetFlowDirection"), # Need to be implemented
STDMETHOD(None, "SetIncrementalTabStop"), # Need to be implemented
STDMETHOD(None, "SetTrimming"), # Need to be implemented
STDMETHOD(None, "SetLineSpacing"), # Need to be implemented
STDMETHOD(None, "GetTextAlignment"), # Need to be implemented
STDMETHOD(None, "GetParagraphAlignment"), # Need to be implemented
STDMETHOD(None, "GetWordWrapping"), # Need to be implemented
STDMETHOD(None, "GetReadingDirection"), # Need to be implemented
STDMETHOD(None, "GetFlowDirection"), # Need to be implemented
STDMETHOD(None, "GetIncrementalTabStop"), # Need to be implemented
STDMETHOD(None, "GetTrimming"), # Need to be implemented
STDMETHOD(None, "GetLineSpacing"), # Need to be implemented
STDMETHOD(None, "GetFontCollection"), # Need to be implemented
STDMETHOD(None, "GetFontFamilyNameLength"), # Need to be implemented
STDMETHOD(None, "GetFontFamilyName"), # Need to be implemented
STDMETHOD(None, "GetFontWeight"), # Need to be implemented
STDMETHOD(None, "GetFontStyle"), # Need to be implemented
STDMETHOD(None, "GetFontStretch"), # Need to be implemented
STDMETHOD(None, "GetFontSize"), # Need to be implemented
STDMETHOD(None, "GetLocaleNameLength"), # Need to be implemented
STDMETHOD(None, "GetLocaleName"), # Need to be implemented
]


class IDWriteTextLayout(IDWriteTextFormat):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritetextlayout
_iid_ = GUID("{53737037-6d14-410b-9bfe-0b182bb70961}")
_methods_ = [
STDMETHOD(None, "SetMaxWidth"), # Need to be implemented
STDMETHOD(None, "SetMaxHeight"), # Need to be implemented
STDMETHOD(None, "SetFontCollection"), # Need to be implemented
STDMETHOD(None, "SetFontFamilyName"), # Need to be implemented
STDMETHOD(None, "SetFontWeight"), # Need to be implemented
STDMETHOD(None, "SetFontStyle"), # Need to be implemented
STDMETHOD(None, "SetFontStretch"), # Need to be implemented
STDMETHOD(None, "SetFontSize"), # Need to be implemented
STDMETHOD(None, "SetUnderline"), # Need to be implemented
STDMETHOD(None, "SetStrikethrough"), # Need to be implemented
STDMETHOD(None, "SetDrawingEffect"), # Need to be implemented
STDMETHOD(None, "SetInlineObject"), # Need to be implemented
STDMETHOD(None, "SetTypography"), # Need to be implemented
STDMETHOD(None, "SetLocaleName"), # Need to be implemented
STDMETHOD(None, "GetMaxWidth"), # Need to be implemented
STDMETHOD(None, "GetMaxHeight"), # Need to be implemented
STDMETHOD(None, "GetFontCollection"), # Need to be implemented
STDMETHOD(None, "GetFontFamilyNameLength"), # Need to be implemented
STDMETHOD(None, "GetFontFamilyName"), # Need to be implemented
STDMETHOD(None, "GetFontWeight"), # Need to be implemented
STDMETHOD(None, "GetFontStyle"), # Need to be implemented
STDMETHOD(None, "GetFontStretch"), # Need to be implemented
STDMETHOD(None, "GetFontSize"), # Need to be implemented
STDMETHOD(None, "GetUnderline"), # Need to be implemented
STDMETHOD(None, "GetStrikethrough"), # Need to be implemented
STDMETHOD(None, "GetDrawingEffect"), # Need to be implemented
STDMETHOD(None, "GetInlineObject"), # Need to be implemented
STDMETHOD(None, "GetTypography"), # Need to be implemented
STDMETHOD(None, "GetLocaleNameLength"), # Need to be implemented
STDMETHOD(None, "GetLocaleName"), # Need to be implemented
STDMETHOD(HRESULT, "Draw", [wintypes.LPVOID, POINTER(IDWriteTextRenderer), wintypes.FLOAT, wintypes.FLOAT]),
STDMETHOD(None, "GetLineMetrics"), # Need to be implemented
STDMETHOD(None, "GetMetrics"), # Need to be implemented
STDMETHOD(None, "GetOverhangMetrics"), # Need to be implemented
STDMETHOD(None, "GetClusterMetrics"), # Need to be implemented
STDMETHOD(None, "DetermineMinWidth"), # Need to be implemented
STDMETHOD(None, "HitTestPoint"), # Need to be implemented
STDMETHOD(None, "HitTestTextPosition"), # Need to be implemented
STDMETHOD(None, "HitTestTextRange"), # Need to be implemented
]


class IDWriteFactory(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritefactory
_iid_ = GUID("{b859ee5a-d838-4b5b-a2e8-1adc7d93db48}")
Expand All @@ -287,10 +499,10 @@ class IDWriteFactory(IUnknown):
STDMETHOD(None, "CreateCustomRenderingParams"), # Need to be implemented
STDMETHOD(HRESULT, "RegisterFontFileLoader", [POINTER(IDWriteFontFileLoader)]),
STDMETHOD(HRESULT, "UnregisterFontFileLoader", [POINTER(IDWriteFontFileLoader)]),
STDMETHOD(None, "CreateTextFormat"), # Need to be implemented
STDMETHOD(HRESULT, "CreateTextFormat", [POINTER(wintypes.WCHAR), POINTER(IDWriteFontCollection), wintypes.INT, wintypes.INT, wintypes.INT, wintypes.FLOAT, POINTER(wintypes.WCHAR), POINTER(POINTER(IDWriteTextFormat))]),
STDMETHOD(None, "CreateTypography"), # Need to be implemented
STDMETHOD(HRESULT, "GetGdiInterop", [POINTER(POINTER(IDWriteGdiInterop))]),
STDMETHOD(None, "CreateTextLayout"), # Need to be implemented
STDMETHOD(HRESULT, "CreateTextLayout", [POINTER(wintypes.WCHAR), wintypes.UINT, POINTER(IDWriteTextFormat), wintypes.FLOAT, wintypes.FLOAT, POINTER(POINTER(IDWriteTextLayout))]),
STDMETHOD(None, "CreateGdiCompatibleTextLayout"), # Need to be implemented
STDMETHOD(None, "CreateEllipsisTrimmingSign"), # Need to be implemented
STDMETHOD(None, "CreateTextAnalyzer"), # Need to be implemented
Expand All @@ -312,11 +524,36 @@ class IDWriteFactory1(IDWriteFactory):
]


class IDWriteNumberSubstitution(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritenumbersubstitution
_iid_ = GUID("{14885cc9-bab0-4f90-b6ed-5c366a2cd03d}")


class IDWriteTextAnalysisSource(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite/nn-dwrite-idwritetextanalysissource
_iid_ = GUID("{688e1a58-5094-47c8-adc8-fbcea60ae92b}")
_methods_ = [
STDMETHOD(HRESULT, "GetTextAtPosition", [wintypes.UINT, POINTER(POINTER(wintypes.WCHAR)), POINTER(wintypes.UINT)]),
STDMETHOD(HRESULT, "GetTextBeforePosition", [wintypes.UINT, POINTER(POINTER(wintypes.WCHAR)), POINTER(wintypes.UINT)]),
STDMETHOD(wintypes.INT, "GetParagraphReadingDirection"),
STDMETHOD(HRESULT, "GetLocaleName", [wintypes.UINT, POINTER(wintypes.UINT), POINTER(POINTER(wintypes.WCHAR))]),
STDMETHOD(HRESULT, "GetNumberSubstitution", [wintypes.UINT, POINTER(wintypes.UINT), POINTER(POINTER(IDWriteNumberSubstitution))]),
]


class IDWriteFontFallback(IUnknown):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite_2/nn-dwrite_2-idwritefontfallback
_iid_ = GUID("{efa008f9-f7a1-48bf-b05c-f224713cc0ff}")
_methods_ = [
STDMETHOD(HRESULT, "MapCharacters", [POINTER(IDWriteTextAnalysisSource), wintypes.UINT, wintypes.UINT, POINTER(IDWriteFontCollection), POINTER(wintypes.WCHAR), wintypes.INT, wintypes.INT, wintypes.INT, POINTER(wintypes.UINT), POINTER(POINTER(IDWriteFont)), POINTER(wintypes.FLOAT)]),
]


class IDWriteFactory2(IDWriteFactory1):
# https://learn.microsoft.com/en-us/windows/win32/api/dwrite_2/nn-dwrite_2-idwritefactory2
_iid_ = GUID("{0439fc60-ca44-4994-8dee-3a9af7b732ec}")
_methods_ = [
STDMETHOD(None, "GetSystemFontFallback"), # Need to be implemented
STDMETHOD(HRESULT, "GetSystemFontFallback", [POINTER(POINTER(IDWriteFontFallback))]),
STDMETHOD(None, "CreateFontFallbackBuilder"), # Need to be implemented
STDMETHOD(None, "TranslateColorGlyphRun"), # Need to be implemented
STDMETHOD(None, "CreateCustomRenderingParams2"), # Need to be implemented
Expand Down
5 changes: 5 additions & 0 deletions find_system_fonts_filename/windows/version_helpers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,11 @@ def is_windows_vista_sp2_or_greater(windows_version) -> bool:
# From https://www.lifewire.com/windows-version-numbers-2625171
return WindowsVersionHelpers.is_windows_version_or_greater(windows_version, 6, 0, 6002)

@staticmethod
def is_windows_8_1_or_greater(windows_version) -> bool:
# From https://www.lifewire.com/windows-version-numbers-2625171
return WindowsVersionHelpers.is_windows_version_or_greater(windows_version, 6, 0, 9200)

@staticmethod
def is_windows_10_or_greater(windows_version) -> bool:
# From https://www.lifewire.com/windows-version-numbers-2625171
Expand Down
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