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Code Issues Projects Releases Wiki Activity

Fix distorted gif frames when resizing (#2774)

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Dave T 2021-11-23 08:20:36 +00:00 committed by GitHub
parent 3e5331a263
commit 07b882c801
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GPG Key ID: 4AEE18F83AFDEB23
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 width, height = image.size
frames = image.n_frames frames = image.n_frames
if CONF_RESIZE in config: if CONF_RESIZE in config:
image.thumbnail(config[CONF_RESIZE]) new_width_max, new_height_max = config[CONF_RESIZE]
width, height = image.size ratio = min(new_width_max / width, new_height_max / height)
width, height = int(width * ratio), int(height * ratio)
else: else:
if width > 500 or height > 500: if width > 500 or height > 500:
_LOGGER.warning( _LOGGER.warning(
@ -59,10 +60,12 @@ async def to_code(config):
for frameIndex in range(frames): for frameIndex in range(frames):
image.seek(frameIndex) image.seek(frameIndex)
frame = image.convert("L", dither=Image.NONE) frame = image.convert("L", dither=Image.NONE)
if CONF_RESIZE in config:
frame = frame.resize([width, height])
pixels = list(frame.getdata()) pixels = list(frame.getdata())
if len(pixels) != height * width: if len(pixels) != height * width:
raise core.EsphomeError( 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: for pix in pixels:
data[pos] = pix data[pos] = pix
@ -73,13 +76,13 @@ async def to_code(config):
pos = 0 pos = 0
for frameIndex in range(frames): for frameIndex in range(frames):
image.seek(frameIndex) image.seek(frameIndex)
if CONF_RESIZE in config:
image.thumbnail(config[CONF_RESIZE])
frame = image.convert("RGB") frame = image.convert("RGB")
if CONF_RESIZE in config:
frame = frame.resize([width, height])
pixels = list(frame.getdata()) pixels = list(frame.getdata())
if len(pixels) != height * width: if len(pixels) != height * width:
raise core.EsphomeError( 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: for pix in pixels:
data[pos] = pix[0] data[pos] = pix[0]
@ -95,6 +98,8 @@ async def to_code(config):
for frameIndex in range(frames): for frameIndex in range(frames):
image.seek(frameIndex) image.seek(frameIndex)
frame = image.convert("1", dither=Image.NONE) frame = image.convert("1", dither=Image.NONE)
if CONF_RESIZE in config:
frame = frame.resize([width, height])
for y in range(height): for y in range(height):
for x in range(width): for x in range(width):
if frame.getpixel((x, y)): if frame.getpixel((x, y)):