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support alpha for tile background color

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Gwendolyn 2024-09-17 21:01:35 +02:00
parent 5c176bc7bb
commit 300d85e5ed
2 changed files with 2 additions and 2 deletions
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2
src/c3nav/mapdata/render/engines/base.py
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@ -50,7 +50,7 @@ class RenderEngine(ABC):
self.buffered_height = self.height + 2 * self.buffer self.buffered_height = self.height + 2 * self.buffer
self.buffered_bbox = self.bbox.buffer(buffer, join_style=JOIN_STYLE.mitre) self.buffered_bbox = self.bbox.buffer(buffer, join_style=JOIN_STYLE.mitre)
self.background_rgb = tuple(int(background[i:i + 2], 16)/255 for i in range(1, 6, 2)) self.background_rgb = tuple(int(background[i:i + 2], 16)/255 for i in range(1, len(background), 2))
@abstractmethod @abstractmethod
def render(self, filename=None) -> bytes: def render(self, filename=None) -> bytes:

2
src/c3nav/mapdata/render/engines/svg.py
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@ -121,7 +121,7 @@ class SVGEngine(RenderEngine):
svg.render_cairo(buffered_context) svg.render_cairo(buffered_context)
# create cropped image # create cropped image
surface = buffered_surface.create_similar(cairo.CONTENT_COLOR, self.width, self.height) surface = buffered_surface.create_similar(cairo.CONTENT_COLOR_ALPHA, self.width, self.height)
context = cairo.Context(surface) context = cairo.Context(surface)
# set background color # set background color