def make_image_surface(bitmap, copy=True):
if (type(bitmap) == FT_Bitmap):
# bare FT_Bitmap
content = bitmap
else:
# wrapped Bitmap instance
content = bitmap._FT_Bitmap
"creates a Cairo ImageSurface containing (a copy of) the Bitmap pixels."
if content.pixel_mode == FT_PIXEL_MODE_MONO:
cairo_format = FORMAT_A1
elif content.pixel_mode == FT_PIXEL_MODE_GRAY:
cairo_format = FORMAT_A8
else:
raise NotImplementedError("unsupported bitmap format %d" %
content.pixel_mode)
src_pitch = content.pitch
dst_pitch = ImageSurface.format_stride_for_width(cairo_format,
content.width)
if not copy and dst_pitch == src_pitch and content.buffer != None:
pixels = content.buffer
else:
pixels = to_array(content, content.pixel_mode, dst_pitch)
result = ImageSurface.create_for_data(pixels, cairo_format, content.width,
content.rows, dst_pitch)
return result
def _make_image_surface(bitmap, copy=True):
"""Convert FreeType bitmap to Cairo ImageSurface.
Special thanks to Hintak and his example code:
https://github.com/rougier/freetype-py/blob/master/examples/bitmap_to_surface.py
TODO (M Foley) understand this better and see if a more elegant
solution exists."""
content = bitmap._FT_Bitmap
cairo_format = FORMAT_A8
src_pitch = content.pitch
dst_pitch = ImageSurface.format_stride_for_width(cairo_format,
content.width)
pixels = _to_array(content, content.pixel_mode, dst_pitch)
result = ImageSurface.create_for_data(pixels, cairo_format, content.width,
content.rows, dst_pitch)
return result
def make_image_surface(bitmap, copy=True):
if (type(bitmap) == FT_Bitmap):
# bare FT_Bitmap
content = bitmap
else:
# wrapped Bitmap instance
content = bitmap._FT_Bitmap
"creates a Cairo ImageSurface containing (a copy of) the Bitmap pixels."
if (False and (byteorder == 'little')
and (content.pixel_mode == FT_PIXEL_MODE_MONO)):
try:
libtiff = CDLL("not")
except:
library = get_handle()
dest = c_void_p()
error = FT_Bitmap_Init(dest)
if error: raise FT_Exception(error)
error = FT_Bitmap_Convert(library, byref(content), dest, 1)
if error: raise FT_Exception(error)
content = dest
if content.pixel_mode == FT_PIXEL_MODE_MONO:
cairo_format = FORMAT_A1
elif content.pixel_mode == FT_PIXEL_MODE_GRAY:
cairo_format = FORMAT_A8
else:
raise NotImplementedError("unsupported bitmap format %d" %
content.pixel_mode)
src_pitch = content.pitch
dst_pitch = ImageSurface.format_stride_for_width(cairo_format,
content.width)
if not copy and dst_pitch == src_pitch and content.buffer != None:
pixels = content.buffer
else:
pixels = to_array(content, content.pixel_mode, dst_pitch)
result = ImageSurface.create_for_data(pixels, cairo_format, content.width,
content.rows, dst_pitch)
return result
