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Code Issues Releases Wiki Activity

Fix distorted gif frames when resizing (#2774)

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This commit is contained in:
Dave T
2021-11-23 08:20:36 +00:00
committed by GitHub
parent 3e5331a263
commit 07b882c801
1 changed files with 11 additions and 6 deletions
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17
esphome/components/animation/__init__.py
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@@ -44,8 +44,9 @@ async def to_code(config):
width, height = image.size
frames = image.n_frames
if CONF_RESIZE in config:
image.thumbnail(config[CONF_RESIZE])
width, height = image.size
new_width_max, new_height_max = config[CONF_RESIZE]
ratio = min(new_width_max / width, new_height_max / height)
width, height = int(width * ratio), int(height * ratio)
else:
if width > 500 or height > 500:
_LOGGER.warning(
@@ -59,10 +60,12 @@ async def to_code(config):
for frameIndex in range(frames):
image.seek(frameIndex)
frame = image.convert("L", dither=Image.NONE)
if CONF_RESIZE in config:
frame = frame.resize([width, height])
pixels = list(frame.getdata())
if len(pixels) != height * width:
raise core.EsphomeError(
f"Unexpected number of pixels in frame {frameIndex}: {len(pixels)} != {height*width}"
f"Unexpected number of pixels in {path} frame {frameIndex}: ({len(pixels)} != {height*width})"
)
for pix in pixels:
data[pos] = pix
@@ -73,13 +76,13 @@ async def to_code(config):
pos = 0
for frameIndex in range(frames):
image.seek(frameIndex)
if CONF_RESIZE in config:
image.thumbnail(config[CONF_RESIZE])
frame = image.convert("RGB")
if CONF_RESIZE in config:
frame = frame.resize([width, height])
pixels = list(frame.getdata())
if len(pixels) != height * width:
raise core.EsphomeError(
f"Unexpected number of pixels in frame {frameIndex}: {len(pixels)} != {height*width}"
f"Unexpected number of pixels in {path} frame {frameIndex}: ({len(pixels)} != {height*width})"
)
for pix in pixels:
data[pos] = pix[0]
@@ -95,6 +98,8 @@ async def to_code(config):
for frameIndex in range(frames):
image.seek(frameIndex)
frame = image.convert("1", dither=Image.NONE)
if CONF_RESIZE in config:
frame = frame.resize([width, height])
for y in range(height):
for x in range(width):
if frame.getpixel((x, y)):