diff options
| -rw-r--r-- | poezio/windows/image.py | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/poezio/windows/image.py b/poezio/windows/image.py index 71913e43..96636ec7 100644 --- a/poezio/windows/image.py +++ b/poezio/windows/image.py @@ -31,17 +31,27 @@ from poezio.config import config from typing import Tuple, Optional, Callable +MAX_SIZE = 16 + + def render_svg(svg: bytes) -> Optional[Image.Image]: if not HAS_RSVG: return None try: handle = Rsvg.Handle.new_from_data(svg) dimensions = handle.get_dimensions() - surface = cairo.ImageSurface(cairo.Format.ARGB32, dimensions.width, dimensions.height) + biggest_dimension = max(dimensions.width, dimensions.height) + scale = MAX_SIZE / biggest_dimension + translate_x = (biggest_dimension - dimensions.width) / 2 + translate_y = (biggest_dimension - dimensions.height) / 2 + + surface = cairo.ImageSurface(cairo.Format.ARGB32, MAX_SIZE, MAX_SIZE) context = cairo.Context(surface) + context.scale(scale, scale) + context.translate(translate_x, translate_y) handle.render_cairo(context) data = surface.get_data() - image = Image.frombytes('RGBA', (dimensions.width, dimensions.height), data.tobytes()) + image = Image.frombytes('RGBA', (MAX_SIZE, MAX_SIZE), data.tobytes()) # This is required because Cairo uses a BGRA (in host endianess) # format, and PIL an ABGR (in byte order) format. Yes, this is # confusing. |