574 lines
19 KiB
Python
574 lines
19 KiB
Python
# ----------------------------------------------------------------------------
|
|
# pyglet
|
|
# Copyright (c) 2006-2008 Alex Holkner
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in
|
|
# the documentation and/or other materials provided with the
|
|
# distribution.
|
|
# * Neither the name of pyglet nor the names of its
|
|
# contributors may be used to endorse or promote products
|
|
# derived from this software without specific prior written
|
|
# permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
# ----------------------------------------------------------------------------
|
|
|
|
'''
|
|
'''
|
|
|
|
# TODO Windows Vista: need to call SetProcessDPIAware? May affect GDI+ calls
|
|
# as well as font.
|
|
|
|
from ctypes import *
|
|
import ctypes
|
|
import math
|
|
|
|
import pyglet
|
|
from pyglet.font import base
|
|
import pyglet.image
|
|
from pyglet.window.win32.constants import *
|
|
from pyglet.window.win32.types import *
|
|
from pyglet.window.win32 import _gdi32 as gdi32, _user32 as user32
|
|
from pyglet.window.win32 import _kernel32 as kernel32
|
|
|
|
_debug_font = pyglet.options['debug_font']
|
|
|
|
HFONT = HANDLE
|
|
HBITMAP = HANDLE
|
|
HDC = HANDLE
|
|
HGDIOBJ = HANDLE
|
|
gdi32.CreateFontIndirectA.restype = HFONT
|
|
gdi32.CreateCompatibleBitmap.restype = HBITMAP
|
|
gdi32.CreateCompatibleDC.restype = HDC
|
|
user32.GetDC.restype = HDC
|
|
gdi32.GetStockObject.restype = HGDIOBJ
|
|
gdi32.CreateDIBSection.restype = HBITMAP
|
|
|
|
class LOGFONT(Structure):
|
|
_fields_ = [
|
|
('lfHeight', c_long),
|
|
('lfWidth', c_long),
|
|
('lfEscapement', c_long),
|
|
('lfOrientation', c_long),
|
|
('lfWeight', c_long),
|
|
('lfItalic', c_byte),
|
|
('lfUnderline', c_byte),
|
|
('lfStrikeOut', c_byte),
|
|
('lfCharSet', c_byte),
|
|
('lfOutPrecision', c_byte),
|
|
('lfClipPrecision', c_byte),
|
|
('lfQuality', c_byte),
|
|
('lfPitchAndFamily', c_byte),
|
|
('lfFaceName', (c_char * LF_FACESIZE)) # Use ASCII
|
|
]
|
|
__slots__ = [f[0] for f in _fields_]
|
|
|
|
class TEXTMETRIC(Structure):
|
|
_fields_ = [
|
|
('tmHeight', c_long),
|
|
('tmAscent', c_long),
|
|
('tmDescent', c_long),
|
|
('tmInternalLeading', c_long),
|
|
('tmExternalLeading', c_long),
|
|
('tmAveCharWidth', c_long),
|
|
('tmMaxCharWidth', c_long),
|
|
('tmWeight', c_long),
|
|
('tmOverhang', c_long),
|
|
('tmDigitizedAspectX', c_long),
|
|
('tmDigitizedAspectY', c_long),
|
|
('tmFirstChar', c_char), # Use ASCII
|
|
('tmLastChar', c_char),
|
|
('tmDefaultChar', c_char),
|
|
('tmBreakChar', c_char),
|
|
('tmItalic', c_byte),
|
|
('tmUnderlined', c_byte),
|
|
('tmStruckOut', c_byte),
|
|
('tmPitchAndFamily', c_byte),
|
|
('tmCharSet', c_byte)
|
|
]
|
|
__slots__ = [f[0] for f in _fields_]
|
|
|
|
class ABC(Structure):
|
|
_fields_ = [
|
|
('abcA', c_int),
|
|
('abcB', c_uint),
|
|
('abcC', c_int)
|
|
]
|
|
__slots__ = [f[0] for f in _fields_]
|
|
|
|
class BITMAPINFOHEADER(Structure):
|
|
_fields_ = [
|
|
('biSize', c_uint32),
|
|
('biWidth', c_int),
|
|
('biHeight', c_int),
|
|
('biPlanes', c_short),
|
|
('biBitCount', c_short),
|
|
('biCompression', c_uint32),
|
|
('biSizeImage', c_uint32),
|
|
('biXPelsPerMeter', c_long),
|
|
('biYPelsPerMeter', c_long),
|
|
('biClrUsed', c_uint32),
|
|
('biClrImportant', c_uint32)
|
|
]
|
|
__slots__ = [f[0] for f in _fields_]
|
|
|
|
class RGBQUAD(Structure):
|
|
_fields_ = [
|
|
('rgbBlue', c_byte),
|
|
('rgbGreen', c_byte),
|
|
('rgbRed', c_byte),
|
|
('rgbReserved', c_byte)
|
|
]
|
|
|
|
def __init__(self, r, g, b):
|
|
self.rgbRed = r
|
|
self.rgbGreen = g
|
|
self.rgbBlue = b
|
|
|
|
|
|
class BITMAPINFO(Structure):
|
|
_fields_ = [
|
|
('bmiHeader', BITMAPINFOHEADER),
|
|
('bmiColors', c_ulong * 3)
|
|
]
|
|
|
|
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 = '%s-%%d.%%s' % os.path.join(_debug_dir, base)
|
|
num = 1
|
|
while os.path.exists(name % (num, extension)):
|
|
num += 1
|
|
return name % (num, extension)
|
|
|
|
def _debug_image(image, name):
|
|
filename = _debug_filename(name, 'png')
|
|
image.save(filename)
|
|
_debug('Saved image %r to %s' % (image, 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):
|
|
_bitmap = None
|
|
_dc = None
|
|
_bitmap_rect = None
|
|
|
|
def __init__(self, font):
|
|
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):
|
|
pass
|
|
|
|
def render(self, text):
|
|
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):
|
|
# 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('%r.render(%s)' % (self, text))
|
|
_debug('abc.abcA = %r' % abc.abcA)
|
|
_debug('abc.abcB = %r' % abc.abcB)
|
|
_debug('abc.abcC = %r' % abc.abcC)
|
|
_debug('width = %r' % width)
|
|
_debug('height = %r' % height)
|
|
_debug('lsb = %r' % lsb)
|
|
_debug('advance = %r' % advance)
|
|
_debug_image(image, 'glyph_%s' % text)
|
|
_debug_image(self.font.textures[0], 'tex_%s' % text)
|
|
|
|
return glyph
|
|
|
|
def _get_image(self, text, width, height, lsb):
|
|
# 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, c_void_p(), text,
|
|
len(text), c_void_p())
|
|
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, height):
|
|
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(c_void_p())
|
|
self._bitmap = gdi32.CreateDIBSection(c_void_p(),
|
|
byref(info), DIB_RGB_COLORS, byref(data), c_void_p(),
|
|
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('%r._create_dc(%d, %d)' % (self, width, height))
|
|
_debug('_dc = %r' % self._dc)
|
|
_debug('_bitmap = %r' % self._bitmap)
|
|
_debug('pitch = %r' % pitch)
|
|
_debug('info.bmiHeader.biSize = %r' % info.bmiHeader.biSize)
|
|
|
|
class Win32Font(base.Font):
|
|
glyph_renderer_class = GDIGlyphRenderer
|
|
|
|
def __init__(self, name, size, bold=False, italic=False, dpi=None):
|
|
super(Win32Font, self).__init__()
|
|
|
|
self.logfont = self.get_logfont(name, size, bold, italic, dpi)
|
|
self.hfont = gdi32.CreateFontIndirectA(byref(self.logfont))
|
|
|
|
# Create a dummy DC for coordinate mapping
|
|
dc = user32.GetDC(0)
|
|
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
|
|
|
|
@staticmethod
|
|
def get_logfont(name, size, bold, italic, dpi):
|
|
# Create a dummy DC for coordinate mapping
|
|
dc = user32.GetDC(0)
|
|
if dpi is None:
|
|
dpi = 96
|
|
logpixelsy = dpi
|
|
|
|
logfont = LOGFONT()
|
|
# Conversion of point size to device pixels
|
|
logfont.lfHeight = int(-size * logpixelsy / 72)
|
|
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):
|
|
# CreateFontIndirect always returns a font... have to work out
|
|
# something with EnumFontFamily... TODO
|
|
return True
|
|
|
|
@classmethod
|
|
def add_font_data(cls, data):
|
|
numfonts = c_uint32()
|
|
gdi32.AddFontMemResourceEx(data, len(data), 0, byref(numfonts))
|
|
|
|
# --- 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 _create_bitmap(self, width, height):
|
|
self._data = (ctypes.c_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)
|
|
|
|
# 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))
|
|
format = ctypes.c_void_p()
|
|
gdiplus.GdipCloneStringFormat(generic, ctypes.byref(format))
|
|
|
|
# Measure advance
|
|
bbox = Rectf()
|
|
flags = (StringFormatFlagsMeasureTrailingSpaces |
|
|
StringFormatFlagsNoClip |
|
|
StringFormatFlagsNoFitBlackBox)
|
|
gdiplus.GdipSetStringFormatFlags(format, flags)
|
|
gdiplus.GdipMeasureString(self._graphics, ch, len(ch) - 1,
|
|
self.font._gdipfont, ctypes.byref(rect), format,
|
|
ctypes.byref(bbox), 0, 0)
|
|
|
|
lsb = 0
|
|
advance = int(math.ceil(bbox.width))
|
|
|
|
# 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, 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.
|
|
|
|
width = advance
|
|
if self.font.italic:
|
|
width += width // 2
|
|
|
|
# XXX END HACK HACK HACK
|
|
|
|
# Draw character to bitmap
|
|
|
|
gdiplus.GdipGraphicsClear(self._graphics, 0x00000000)
|
|
gdiplus.GdipDrawString(self._graphics, ch, len(ch) - 1,
|
|
self.font._gdipfont, ctypes.byref(rect), format,
|
|
self._brush)
|
|
gdiplus.GdipFlush(self._graphics, 1)
|
|
|
|
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)
|
|
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, dpi=None):
|
|
if not name:
|
|
name = self._default_name
|
|
super(GDIPlusFont, self).__init__(name, size, bold, italic, dpi)
|
|
|
|
family = ctypes.c_void_p()
|
|
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:
|
|
gdiplus.GdipCreateFontFamilyFromName(name,
|
|
None, ctypes.byref(family))
|
|
|
|
# Nothing found, use default font.
|
|
if not family:
|
|
name = self._default_name
|
|
gdiplus.GdipCreateFontFamilyFromName(ctypes.c_wchar_p(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.italic = italic # XXX needed for HACK HACK HACK
|
|
self._gdipfont = ctypes.c_void_p()
|
|
gdiplus.GdipCreateFont(family, ctypes.c_float(size),
|
|
style, unit, ctypes.byref(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))
|