615 lines
20 KiB
Python
615 lines
20 KiB
Python
# TODO Windows Vista: need to call SetProcessDPIAware? May affect GDI+ calls as well as font.
|
|
|
|
import math
|
|
import warnings
|
|
|
|
from sys import byteorder
|
|
from typing import Optional
|
|
|
|
import pyglet
|
|
from pyglet.font import base
|
|
from pyglet.font import win32query
|
|
import pyglet.image
|
|
from pyglet.libs.win32.constants import *
|
|
from pyglet.libs.win32.context_managers import device_context
|
|
from pyglet.libs.win32.types import *
|
|
from pyglet.libs.win32 import _gdi32 as gdi32, _user32 as user32
|
|
from pyglet.libs.win32 import _kernel32 as kernel32
|
|
from pyglet.util import asbytes
|
|
|
|
_debug_font = pyglet.options['debug_font']
|
|
|
|
|
|
def str_ucs2(text):
|
|
if byteorder == 'big':
|
|
text = text.encode('utf_16_be')
|
|
else:
|
|
text = text.encode('utf_16_le') # explicit endian avoids BOM
|
|
return create_string_buffer(text + '\0')
|
|
|
|
|
|
_debug_dir = 'debug_font'
|
|
|
|
|
|
def _debug_filename(base, extension):
|
|
import os
|
|
if not os.path.exists(_debug_dir):
|
|
os.makedirs(_debug_dir)
|
|
name = f'{os.path.join(_debug_dir, base)}-{{0}}.{{1}}'
|
|
num = 1
|
|
while os.path.exists(name.format(num, extension)):
|
|
num += 1
|
|
return name.format(num, extension)
|
|
|
|
|
|
def _debug_image(image, name):
|
|
filename = _debug_filename(name, 'png')
|
|
image.save(filename)
|
|
_debug(f'Saved image {image} to {filename}')
|
|
|
|
|
|
_debug_logfile = None
|
|
|
|
|
|
def _debug(msg):
|
|
global _debug_logfile
|
|
if not _debug_logfile:
|
|
_debug_logfile = open(_debug_filename('log', 'txt'), 'wt')
|
|
_debug_logfile.write(msg + '\n')
|
|
|
|
|
|
class Win32GlyphRenderer(base.GlyphRenderer):
|
|
|
|
def __init__(self, font):
|
|
self._bitmap = None
|
|
self._dc = None
|
|
self._bitmap_rect = None
|
|
super(Win32GlyphRenderer, self).__init__(font)
|
|
self.font = font
|
|
|
|
# Pessimistically round up width and height to 4 byte alignment
|
|
width = font.max_glyph_width
|
|
height = font.ascent - font.descent
|
|
width = (width | 0x3) + 1
|
|
height = (height | 0x3) + 1
|
|
self._create_bitmap(width, height)
|
|
|
|
gdi32.SelectObject(self._dc, self.font.hfont)
|
|
|
|
def _create_bitmap(self, width, height) -> None:
|
|
pass
|
|
|
|
def render(self, text: str) -> pyglet.font.base.Glyph:
|
|
raise NotImplementedError('abstract')
|
|
|
|
|
|
class GDIGlyphRenderer(Win32GlyphRenderer):
|
|
|
|
def __del__(self):
|
|
try:
|
|
if self._dc:
|
|
gdi32.DeleteDC(self._dc)
|
|
if self._bitmap:
|
|
gdi32.DeleteObject(self._bitmap)
|
|
except:
|
|
pass
|
|
|
|
def render(self, text: str) -> pyglet.font.base.Glyph:
|
|
# Attempt to get ABC widths (only for TrueType)
|
|
abc = ABC()
|
|
if gdi32.GetCharABCWidthsW(
|
|
self._dc,
|
|
ord(text), ord(text), byref(abc)
|
|
):
|
|
width = abc.abcB
|
|
lsb = abc.abcA
|
|
advance = abc.abcA + abc.abcB + abc.abcC
|
|
|
|
else:
|
|
width_buf = c_int()
|
|
gdi32.GetCharWidth32W(
|
|
self._dc, ord(text), ord(text), byref(width_buf))
|
|
|
|
width = width_buf.value
|
|
lsb = 0
|
|
advance = width
|
|
|
|
# Can't get glyph-specific dimensions, use whole line-height.
|
|
height = self._bitmap_height
|
|
image = self._get_image(text, width, height, lsb)
|
|
|
|
glyph = self.font.create_glyph(image)
|
|
glyph.set_bearings(-self.font.descent, lsb, advance)
|
|
|
|
if _debug_font:
|
|
_debug(f'{self}.render({text})')
|
|
_debug(f'abc.abcA = {abc.abcA}')
|
|
_debug(f'abc.abcB = {abc.abcB}')
|
|
_debug(f'abc.abcC = {abc.abcC}')
|
|
_debug(f'width = {width}')
|
|
_debug(f'height = {height}')
|
|
_debug(f'lsb = {lsb}')
|
|
_debug(f'advance = {advance}')
|
|
_debug_image(image, f'glyph_{text}')
|
|
_debug_image(self.font.textures[0], f'tex_{text}')
|
|
|
|
return glyph
|
|
|
|
def _get_image(self, text: str, width: int, height: int, lsb: int) -> pyglet.image.ImageData:
|
|
# There's no such thing as a greyscale bitmap format in GDI. We can
|
|
# create an 8-bit palette bitmap with 256 shades of grey, but
|
|
# unfortunately antialiasing will not work on such a bitmap. So, we
|
|
# use a 32-bit bitmap and use the red channel as OpenGL's alpha.
|
|
|
|
gdi32.SelectObject(self._dc, self._bitmap)
|
|
gdi32.SelectObject(self._dc, self.font.hfont)
|
|
gdi32.SetBkColor(self._dc, 0x0)
|
|
gdi32.SetTextColor(self._dc, 0x00ffffff)
|
|
gdi32.SetBkMode(self._dc, OPAQUE)
|
|
|
|
# Draw to DC
|
|
user32.FillRect(self._dc, byref(self._bitmap_rect), self._black)
|
|
gdi32.ExtTextOutA(
|
|
self._dc, -lsb, 0, 0, None, text,
|
|
len(text), None)
|
|
|
|
gdi32.GdiFlush()
|
|
|
|
# Create glyph object and copy bitmap data to texture
|
|
image = pyglet.image.ImageData(
|
|
width, height,
|
|
'AXXX', self._bitmap_data, self._bitmap_rect.right * 4)
|
|
|
|
return image
|
|
|
|
def _create_bitmap(self, width: int, height: int) -> None:
|
|
self._black = gdi32.GetStockObject(BLACK_BRUSH)
|
|
self._white = gdi32.GetStockObject(WHITE_BRUSH)
|
|
|
|
if self._dc:
|
|
gdi32.ReleaseDC(self._dc)
|
|
if self._bitmap:
|
|
gdi32.DeleteObject(self._bitmap)
|
|
|
|
pitch = width * 4
|
|
data = POINTER(c_byte * (height * pitch))()
|
|
info = BITMAPINFO()
|
|
info.bmiHeader.biSize = sizeof(info.bmiHeader)
|
|
info.bmiHeader.biWidth = width
|
|
info.bmiHeader.biHeight = height
|
|
info.bmiHeader.biPlanes = 1
|
|
info.bmiHeader.biBitCount = 32
|
|
info.bmiHeader.biCompression = BI_RGB
|
|
|
|
self._dc = gdi32.CreateCompatibleDC(None)
|
|
self._bitmap = gdi32.CreateDIBSection(
|
|
None,
|
|
byref(info), DIB_RGB_COLORS, byref(data), None,
|
|
0)
|
|
# Spookiness: the above line causes a "not enough storage" error,
|
|
# even though that error cannot be generated according to docs,
|
|
# and everything works fine anyway. Call SetLastError to clear it.
|
|
kernel32.SetLastError(0)
|
|
|
|
self._bitmap_data = data.contents
|
|
self._bitmap_rect = RECT()
|
|
self._bitmap_rect.left = 0
|
|
self._bitmap_rect.right = width
|
|
self._bitmap_rect.top = 0
|
|
self._bitmap_rect.bottom = height
|
|
self._bitmap_height = height
|
|
|
|
if _debug_font:
|
|
_debug(f'{self}._create_dc({width}, {height})')
|
|
_debug(f'_dc = {self._dc}')
|
|
_debug(f'_bitmap = {self._bitmap}')
|
|
_debug(f'pitch = {pitch}')
|
|
_debug(f'info.bmiHeader.biSize = {info.bmiHeader.biSize}')
|
|
|
|
|
|
class Win32Font(base.Font):
|
|
|
|
glyph_renderer_class = GDIGlyphRenderer
|
|
|
|
def __init__(
|
|
self,
|
|
name: str, size: int,
|
|
bold: bool = False, italic: bool = False, stretch: bool = False,
|
|
dpi: Optional[float] = None
|
|
):
|
|
super(Win32Font, self).__init__()
|
|
|
|
self.logfont = self.get_logfont(name, size, bold, italic, dpi)
|
|
self.hfont = gdi32.CreateFontIndirectW(byref(self.logfont))
|
|
|
|
# Create a dummy DC for coordinate mapping
|
|
with device_context(None) as dc:
|
|
metrics = TEXTMETRIC()
|
|
gdi32.SelectObject(dc, self.hfont)
|
|
gdi32.GetTextMetricsA(dc, byref(metrics))
|
|
self.ascent = metrics.tmAscent
|
|
self.descent = -metrics.tmDescent
|
|
self.max_glyph_width = metrics.tmMaxCharWidth
|
|
|
|
def __del__(self):
|
|
gdi32.DeleteObject(self.hfont)
|
|
|
|
@staticmethod
|
|
def get_logfont(name: str, size: float, bold: bool, italic: bool, dpi: Optional[float] = None) -> LOGFONTW:
|
|
"""Get a raw Win32 :py:class:`.LOGFONTW` struct for the given arguments.
|
|
|
|
Args:
|
|
name: The name of the font
|
|
size: The font size in points
|
|
bold: Whether to request the font as bold
|
|
italic: Whether to request the font as italic
|
|
dpi: The screen dpi
|
|
|
|
Returns:
|
|
LOGFONTW: a ctypes binding of a Win32 LOGFONTW struct
|
|
"""
|
|
|
|
# Create a dummy DC for coordinate mapping
|
|
with device_context(None) as dc:
|
|
|
|
# Default to 96 DPI unless otherwise specified
|
|
if dpi is None:
|
|
dpi = 96
|
|
log_pixels_y = dpi
|
|
|
|
# Create LOGFONTW font description struct
|
|
logfont = LOGFONTW()
|
|
|
|
# Convert point size to actual device pixels
|
|
logfont.lfHeight = int(-size * log_pixels_y // 72)
|
|
|
|
# Configure the LOGFONTW's font properties
|
|
if bold:
|
|
logfont.lfWeight = FW_BOLD
|
|
else:
|
|
logfont.lfWeight = FW_NORMAL
|
|
logfont.lfItalic = italic
|
|
logfont.lfFaceName = name
|
|
logfont.lfQuality = ANTIALIASED_QUALITY
|
|
|
|
return logfont
|
|
|
|
@classmethod
|
|
def have_font(cls, name) -> bool:
|
|
# [ ] add support for loading raster fonts
|
|
return win32query.have_font(name)
|
|
|
|
@classmethod
|
|
def add_font_data(cls, data):
|
|
numfonts = c_uint32()
|
|
_handle = gdi32.AddFontMemResourceEx(data, len(data), 0, byref(numfonts))
|
|
|
|
# None means a null handle was returned, ie something went wrong
|
|
if _handle is None:
|
|
raise ctypes.WinError()
|
|
|
|
|
|
|
|
# --- GDI+ font rendering ---
|
|
from pyglet.image.codecs.gdiplus import PixelFormat32bppARGB, gdiplus, Rect
|
|
from pyglet.image.codecs.gdiplus import ImageLockModeRead, BitmapData
|
|
|
|
DriverStringOptionsCmapLookup = 1
|
|
DriverStringOptionsRealizedAdvance = 4
|
|
TextRenderingHintAntiAlias = 4
|
|
TextRenderingHintAntiAliasGridFit = 3
|
|
|
|
StringFormatFlagsDirectionRightToLeft = 0x00000001
|
|
StringFormatFlagsDirectionVertical = 0x00000002
|
|
StringFormatFlagsNoFitBlackBox = 0x00000004
|
|
StringFormatFlagsDisplayFormatControl = 0x00000020
|
|
StringFormatFlagsNoFontFallback = 0x00000400
|
|
StringFormatFlagsMeasureTrailingSpaces = 0x00000800
|
|
StringFormatFlagsNoWrap = 0x00001000
|
|
StringFormatFlagsLineLimit = 0x00002000
|
|
StringFormatFlagsNoClip = 0x00004000
|
|
|
|
|
|
class Rectf(ctypes.Structure):
|
|
_fields_ = [
|
|
('x', ctypes.c_float),
|
|
('y', ctypes.c_float),
|
|
('width', ctypes.c_float),
|
|
('height', ctypes.c_float),
|
|
]
|
|
|
|
|
|
class GDIPlusGlyphRenderer(Win32GlyphRenderer):
|
|
def __del__(self):
|
|
try:
|
|
if self._matrix:
|
|
res = gdiplus.GdipDeleteMatrix(self._matrix)
|
|
if self._brush:
|
|
res = gdiplus.GdipDeleteBrush(self._brush)
|
|
if self._graphics:
|
|
res = gdiplus.GdipDeleteGraphics(self._graphics)
|
|
if self._bitmap:
|
|
res = gdiplus.GdipDisposeImage(self._bitmap)
|
|
if self._dc:
|
|
res = user32.ReleaseDC(0, self._dc)
|
|
except:
|
|
pass
|
|
|
|
def _create_bitmap(self, width, height):
|
|
self._data = (BYTE * (4 * width * height))()
|
|
self._bitmap = ctypes.c_void_p()
|
|
self._format = PixelFormat32bppARGB
|
|
gdiplus.GdipCreateBitmapFromScan0(width, height, width * 4,
|
|
self._format, self._data, ctypes.byref(self._bitmap))
|
|
|
|
self._graphics = ctypes.c_void_p()
|
|
gdiplus.GdipGetImageGraphicsContext(self._bitmap,
|
|
ctypes.byref(self._graphics))
|
|
gdiplus.GdipSetPageUnit(self._graphics, UnitPixel)
|
|
|
|
self._dc = user32.GetDC(0)
|
|
gdi32.SelectObject(self._dc, self.font.hfont)
|
|
|
|
gdiplus.GdipSetTextRenderingHint(self._graphics,
|
|
TextRenderingHintAntiAliasGridFit)
|
|
|
|
self._brush = ctypes.c_void_p()
|
|
gdiplus.GdipCreateSolidFill(0xffffffff, ctypes.byref(self._brush))
|
|
|
|
self._matrix = ctypes.c_void_p()
|
|
gdiplus.GdipCreateMatrix(ctypes.byref(self._matrix))
|
|
|
|
self._flags = (DriverStringOptionsCmapLookup |
|
|
DriverStringOptionsRealizedAdvance)
|
|
|
|
self._rect = Rect(0, 0, width, height)
|
|
|
|
self._bitmap_height = height
|
|
|
|
def render(self, text):
|
|
ch = ctypes.create_unicode_buffer(text)
|
|
len_ch = len(text)
|
|
|
|
# Layout rectangle; not clipped against so not terribly important.
|
|
width = 10000
|
|
height = self._bitmap_height
|
|
rect = Rectf(0, self._bitmap_height
|
|
- self.font.ascent + self.font.descent,
|
|
width, height)
|
|
|
|
# Set up GenericTypographic with 1 character measure range
|
|
generic = ctypes.c_void_p()
|
|
gdiplus.GdipStringFormatGetGenericTypographic(ctypes.byref(generic))
|
|
fmt = ctypes.c_void_p()
|
|
gdiplus.GdipCloneStringFormat(generic, ctypes.byref(fmt))
|
|
gdiplus.GdipDeleteStringFormat(generic)
|
|
|
|
# --- Measure advance
|
|
|
|
# XXX HACK HACK HACK
|
|
# Windows GDI+ is a filthy broken toy. No way to measure the bounding
|
|
# box of a string, or to obtain LSB. What a joke.
|
|
#
|
|
# For historical note, GDI cannot be used because it cannot composite
|
|
# into a bitmap with alpha.
|
|
#
|
|
# It looks like MS have abandoned GDI and GDI+ and are finally
|
|
# supporting accurate text measurement with alpha composition in .NET
|
|
# 2.0 (WinForms) via the TextRenderer class; this has no C interface
|
|
# though, so we're entirely screwed.
|
|
#
|
|
# So anyway, we first try to get the width with GdipMeasureString.
|
|
# Then if it's a TrueType font, we use GetCharABCWidthsW to get the
|
|
# correct LSB. If it's a negative LSB, we move the layoutRect `rect`
|
|
# to the right so that the whole glyph is rendered on the surface.
|
|
# For positive LSB, we let the renderer render the correct white
|
|
# space and we don't pass the LSB info to the Glyph.set_bearings
|
|
|
|
bbox = Rectf()
|
|
flags = (StringFormatFlagsMeasureTrailingSpaces |
|
|
StringFormatFlagsNoClip |
|
|
StringFormatFlagsNoFitBlackBox)
|
|
gdiplus.GdipSetStringFormatFlags(fmt, flags)
|
|
gdiplus.GdipMeasureString(self._graphics,
|
|
ch,
|
|
len_ch,
|
|
self.font._gdipfont,
|
|
ctypes.byref(rect),
|
|
fmt,
|
|
ctypes.byref(bbox),
|
|
None,
|
|
None)
|
|
|
|
# We only care about the advance from this whole thing.
|
|
advance = int(math.ceil(bbox.width))
|
|
|
|
# GDI functions only work for a single character so we transform
|
|
# grapheme \r\n into \r
|
|
if text == '\r\n':
|
|
text = '\r'
|
|
|
|
# XXX END HACK HACK HACK
|
|
|
|
abc = ABC()
|
|
width = 0
|
|
lsb = 0
|
|
ttf_font = True
|
|
# Use GDI to get code points for the text passed. This is almost always 1.
|
|
# For special unicode characters it may be comprised of 2+ codepoints. Get the width/lsb of each.
|
|
# Function only works on TTF fonts.
|
|
for codepoint in [ord(c) for c in text]:
|
|
if gdi32.GetCharABCWidthsW(self._dc, codepoint, codepoint, byref(abc)):
|
|
lsb += abc.abcA
|
|
width += abc.abcB
|
|
|
|
if lsb < 0:
|
|
# Negative LSB: we shift the layout rect to the right
|
|
# Otherwise we will cut the left part of the glyph
|
|
rect.x = -lsb
|
|
width -= lsb
|
|
else:
|
|
width += lsb
|
|
else:
|
|
ttf_font = False
|
|
break
|
|
|
|
# Almost always a TTF font. Haven't seen a modern font that GetCharABCWidthsW fails on.
|
|
# For safety, just use the advance as the width.
|
|
if not ttf_font:
|
|
width = advance
|
|
|
|
# This hack bumps up the width if the font is italic;
|
|
# this compensates for some common fonts. It's also a stupid
|
|
# waste of texture memory.
|
|
if self.font.italic:
|
|
width += width // 2
|
|
# Do not enlarge more than the _rect width.
|
|
width = min(width, self._rect.Width)
|
|
|
|
# Draw character to bitmap
|
|
gdiplus.GdipGraphicsClear(self._graphics, 0x00000000)
|
|
gdiplus.GdipDrawString(self._graphics,
|
|
ch,
|
|
len_ch,
|
|
self.font._gdipfont,
|
|
ctypes.byref(rect),
|
|
fmt,
|
|
self._brush)
|
|
|
|
gdiplus.GdipFlush(self._graphics, 1)
|
|
gdiplus.GdipDeleteStringFormat(fmt)
|
|
|
|
bitmap_data = BitmapData()
|
|
gdiplus.GdipBitmapLockBits(
|
|
self._bitmap,
|
|
byref(self._rect), ImageLockModeRead, self._format,
|
|
byref(bitmap_data))
|
|
|
|
# Create buffer for RawImage
|
|
buffer = create_string_buffer(
|
|
bitmap_data.Stride * bitmap_data.Height)
|
|
memmove(buffer, bitmap_data.Scan0, len(buffer))
|
|
|
|
# Unlock data
|
|
gdiplus.GdipBitmapUnlockBits(self._bitmap, byref(bitmap_data))
|
|
|
|
image = pyglet.image.ImageData(
|
|
width, height,
|
|
'BGRA', buffer, -bitmap_data.Stride)
|
|
|
|
glyph = self.font.create_glyph(image)
|
|
# Only pass negative LSB info
|
|
lsb = min(lsb, 0)
|
|
glyph.set_bearings(-self.font.descent, lsb, advance)
|
|
return glyph
|
|
|
|
|
|
FontStyleBold = 1
|
|
FontStyleItalic = 2
|
|
UnitPixel = 2
|
|
UnitPoint = 3
|
|
|
|
|
|
class GDIPlusFont(Win32Font):
|
|
glyph_renderer_class = GDIPlusGlyphRenderer
|
|
|
|
_private_fonts = None
|
|
|
|
_default_name = 'Arial'
|
|
|
|
def __init__(self, name, size, bold=False, italic=False, stretch=False, dpi=None):
|
|
if not name:
|
|
name = self._default_name
|
|
|
|
# assert type(bold) is bool, "Only a boolean value is supported for bold in the current font renderer."
|
|
# assert type(italic) is bool, "Only a boolean value is supported for bold in the current font renderer."
|
|
|
|
if stretch:
|
|
warnings.warn("The current font render does not support stretching.")
|
|
|
|
super().__init__(name, size, bold, italic, stretch, dpi)
|
|
|
|
self._name = name
|
|
|
|
family = ctypes.c_void_p()
|
|
|
|
# GDI will add @ in front of a localized font for some Asian languages. However, GDI will also not find it
|
|
# based on that name (???). Here we remove it before checking font collections.
|
|
if name[0] == "@":
|
|
name = name[1:]
|
|
|
|
name = ctypes.c_wchar_p(name)
|
|
|
|
# Look in private collection first:
|
|
if self._private_fonts:
|
|
gdiplus.GdipCreateFontFamilyFromName(name, self._private_fonts, ctypes.byref(family))
|
|
|
|
# Then in system collection:
|
|
if not family:
|
|
if _debug_font:
|
|
print(f"Warning: Font '{name}' was not found. Defaulting to: {self._default_name}")
|
|
|
|
gdiplus.GdipCreateFontFamilyFromName(name, None, ctypes.byref(family))
|
|
|
|
# Nothing found, use default font.
|
|
if not family:
|
|
self._name = self._default_name
|
|
gdiplus.GdipCreateFontFamilyFromName(ctypes.c_wchar_p(self._name), None, ctypes.byref(family))
|
|
|
|
if dpi is None:
|
|
unit = UnitPoint
|
|
self.dpi = 96
|
|
else:
|
|
unit = UnitPixel
|
|
size = (size * dpi) // 72
|
|
self.dpi = dpi
|
|
|
|
style = 0
|
|
if bold:
|
|
style |= FontStyleBold
|
|
if italic:
|
|
style |= FontStyleItalic
|
|
self._gdipfont = ctypes.c_void_p()
|
|
gdiplus.GdipCreateFont(family, ctypes.c_float(size), style, unit, ctypes.byref(self._gdipfont))
|
|
gdiplus.GdipDeleteFontFamily(family)
|
|
|
|
@property
|
|
def name(self):
|
|
return self._name
|
|
|
|
def __del__(self):
|
|
super(GDIPlusFont, self).__del__()
|
|
gdiplus.GdipDeleteFont(self._gdipfont)
|
|
|
|
@classmethod
|
|
def add_font_data(cls, data):
|
|
super(GDIPlusFont, cls).add_font_data(data)
|
|
|
|
if not cls._private_fonts:
|
|
cls._private_fonts = ctypes.c_void_p()
|
|
gdiplus.GdipNewPrivateFontCollection(
|
|
ctypes.byref(cls._private_fonts))
|
|
gdiplus.GdipPrivateAddMemoryFont(cls._private_fonts, data, len(data))
|
|
|
|
@classmethod
|
|
def have_font(cls, name):
|
|
family = ctypes.c_void_p()
|
|
|
|
# Look in private collection first:
|
|
num_count = ctypes.c_int()
|
|
gdiplus.GdipGetFontCollectionFamilyCount(
|
|
cls._private_fonts, ctypes.byref(num_count))
|
|
gpfamilies = (ctypes.c_void_p * num_count.value)()
|
|
numFound = ctypes.c_int()
|
|
gdiplus.GdipGetFontCollectionFamilyList(
|
|
cls._private_fonts, num_count, gpfamilies, ctypes.byref(numFound))
|
|
|
|
font_name = ctypes.create_unicode_buffer(32)
|
|
for gpfamily in gpfamilies:
|
|
gdiplus.GdipGetFamilyName(gpfamily, font_name, '\0')
|
|
if font_name.value == name:
|
|
return True
|
|
|
|
# Else call parent class for system fonts
|
|
return super(GDIPlusFont, cls).have_font(name)
|