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# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------------
# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
# -----------------------------------------------------------------------------
# Adapted from Pyglet
import atexit
from functools import partial
import struct
from ctypes import (windll, Structure, POINTER, byref, WINFUNCTYPE,
c_uint, c_float, c_int, c_ulong, c_uint64,
c_void_p, c_uint32, c_wchar, c_wchar_p)
from ctypes.wintypes import (LONG, BYTE, HFONT, HGDIOBJ, BOOL, UINT, INT,
DWORD, LPARAM)
try:
import _winreg as winreg
except ImportError:
import winreg # noqa, analysis:ignore
_64_bit = (8 * struct.calcsize("P")) == 64
LF_FACESIZE = 32
FW_BOLD = 700
FW_NORMAL = 400
ANTIALIASED_QUALITY = 4
FontStyleBold = 1
FontStyleItalic = 2
UnitPixel = 2
UnitPoint = 3
DEFAULT_CHARSET = 1
ANSI_CHARSET = 0
TRUETYPE_FONTTYPE = 4
GM_ADVANCED = 2
CSIDL_FONTS = 0x0014
PixelFormat24bppRGB = 137224
PixelFormat32bppRGB = 139273
PixelFormat32bppARGB = 2498570
DriverStringOptionsCmapLookup = 1
DriverStringOptionsRealizedAdvance = 4
TextRenderingHintAntiAlias = 4
TextRenderingHintAntiAliasGridFit = 3
ImageLockModeRead = 1
StringFormatFlagsMeasureTrailingSpaces = 0x00000800
StringFormatFlagsNoClip = 0x00004000
StringFormatFlagsNoFitBlackBox = 0x00000004
INT_PTR = c_int
REAL = c_float
TCHAR = c_wchar
UINT32 = c_uint32
HDC = c_void_p
PSTR = c_uint64 if _64_bit else c_uint
HORZSIZE = 4
VERTSIZE = 6
HORZRES = 8
VERTRES = 10
# gdi32
class POINT(Structure):
_fields_ = [('x', LONG), ('y', LONG)]
class RECT(Structure):
_fields_ = [('left', LONG), ('top', LONG),
('right', LONG), ('bottom', LONG)]
class PANOSE(Structure):
_fields_ = [
('bFamilyType', BYTE), ('bSerifStyle', BYTE), ('bWeight', BYTE),
('bProportion', BYTE), ('bContrast', BYTE), ('bStrokeVariation', BYTE),
('bArmStyle', BYTE), ('bLetterform', BYTE), ('bMidline', BYTE),
('bXHeight', BYTE)]
class TEXTMETRIC(Structure):
_fields_ = [
('tmHeight', LONG), ('tmAscent', LONG), ('tmDescent', LONG),
('tmInternalLeading', LONG), ('tmExternalLeading', LONG),
('tmAveCharWidth', LONG), ('tmMaxCharWidth', LONG),
('tmWeight', LONG), ('tmOverhang', LONG),
('tmDigitizedAspectX', LONG), ('tmDigitizedAspectY', LONG),
('tmFirstChar', TCHAR), ('tmLastChar', TCHAR),
('tmDefaultChar', TCHAR), ('tmBreakChar', TCHAR),
('tmItalic', BYTE), ('tmUnderlined', BYTE),
('tmStruckOut', BYTE), ('tmPitchAndFamily', BYTE),
('tmCharSet', BYTE)]
class OUTLINETEXTMETRIC(Structure):
_fields_ = [
('otmSize', UINT), ('otmTextMetrics', TEXTMETRIC),
('otmMysteryBytes', BYTE), ('otmPanoseNumber', PANOSE),
('otmMysteryByte', BYTE),
('otmfsSelection', UINT), ('otmfsType', UINT),
('otmsCharSlopeRise', INT), ('otmsCharSlopeRun', INT),
('otmItalicAngle', INT), ('otmEMSquare', UINT), ('otmAscent', INT),
('otmDescent', INT), ('otmLineGap', UINT), ('otmsCapEmHeight', UINT),
('otmsXHeight', UINT), ('otmrcFontBox', RECT), ('otmMacAscent', INT),
('otmMacDescent', INT), ('otmMacLineGap', UINT),
('otmusMinimumPPEM', UINT), ('otmptSubscriptSize', POINT),
('otmptSubscriptOffset', POINT), ('otmptSuperscriptSize', POINT),
('otmptSuperscriptOffset', POINT), ('otmsStrikeoutSize', UINT),
('otmsStrikeoutPosition', INT), ('otmsUnderscoreSize', INT),
('otmsUnderscorePosition', INT), ('otmpFamilyName', PSTR),
('otmpFaceName', PSTR), ('otmpStyleName', PSTR),
('otmpFullName', PSTR), ('junk', (BYTE) * 1024)] # room for strs
class LOGFONT(Structure):
_fields_ = [
('lfHeight', LONG), ('lfWidth', LONG), ('lfEscapement', LONG),
('lfOrientation', LONG), ('lfWeight', LONG), ('lfItalic', BYTE),
('lfUnderline', BYTE), ('lfStrikeOut', BYTE), ('lfCharSet', BYTE),
('lfOutPrecision', BYTE), ('lfClipPrecision', BYTE),
('lfQuality', BYTE), ('lfPitchAndFamily', BYTE),
('lfFaceName', (TCHAR * LF_FACESIZE))]
gdi32 = windll.gdi32
gdi32.CreateFontIndirectW.restype = HFONT
gdi32.CreateFontIndirectW.argtypes = [POINTER(LOGFONT)]
gdi32.SelectObject.restype = HGDIOBJ
gdi32.SelectObject.argtypes = [HDC, HGDIOBJ]
gdi32.SetGraphicsMode.restype = INT
gdi32.SetGraphicsMode.argtypes = [HDC, INT]
gdi32.GetTextMetricsW.restype = BOOL
gdi32.GetTextMetricsW.argtypes = [HDC, POINTER(TEXTMETRIC)]
FONTENUMPROC = WINFUNCTYPE(INT, POINTER(LOGFONT), POINTER(TEXTMETRIC),
DWORD, c_void_p)
gdi32.EnumFontFamiliesExW.restype = INT
gdi32.EnumFontFamiliesExW.argtypes = [HDC, POINTER(LOGFONT),
FONTENUMPROC, LPARAM, DWORD]
gdi32.GetOutlineTextMetricsW.restype = UINT
gdi32.GetOutlineTextMetricsW.argtypes = [HDC, UINT,
POINTER(OUTLINETEXTMETRIC)]
gdi32.GetDeviceCaps.argtypes = [HDC, INT]
gdi32.GetDeviceCaps.restype = INT
user32 = windll.user32
user32.GetDC.restype = HDC # HDC
user32.GetDC.argtypes = [UINT32] # HWND
user32.ReleaseDC.argtypes = [c_void_p, HDC]
try:
user32.SetProcessDPIAware.argtypes = []
except AttributeError:
pass # not present on XP
# gdiplus
class GdiplusStartupInput(Structure):
_fields_ = [
('GdiplusVersion', UINT32), ('DebugEventCallback', c_void_p),
('SuppressBackgroundThread', BOOL), ('SuppressExternalCodecs', BOOL)]
class GdiplusStartupOutput(Structure):
_fields = [('NotificationHookProc', c_void_p),
('NotificationUnhookProc', c_void_p)]
gdiplus = windll.gdiplus
gdiplus.GdipCreateFontFamilyFromName.restype = c_int
gdiplus.GdipCreateFontFamilyFromName.argtypes = [c_wchar_p, c_void_p, c_void_p]
gdiplus.GdipNewPrivateFontCollection.restype = c_int
gdiplus.GdipNewPrivateFontCollection.argtypes = [c_void_p]
gdiplus.GdipPrivateAddFontFile.restype = c_int
gdiplus.GdipPrivateAddFontFile.argtypes = [c_void_p, c_wchar_p]
gdiplus.GdipGetFamilyName.restype = c_int
gdiplus.GdipGetFamilyName.argtypes = [c_void_p, c_wchar_p, c_int]
def gdiplus_init():
token = c_ulong()
startup_in = GdiplusStartupInput()
startup_in.GdiplusVersion = 1
startup_out = GdiplusStartupOutput()
gdiplus.GdiplusStartup(byref(token), byref(startup_in), byref(startup_out))
atexit.register(partial(gdiplus.GdiplusShutdown, token))
gdiplus_init()
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