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Code Issues Releases Wiki Activity

Support simple transparent pngs for display (#3035)

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This commit is contained in:
Jesse Hills
2022-01-21 11:16:18 +13:00
committed by GitHub
parent 1c51cac5ba
commit 045952939e
3 changed files with 26 additions and 1 deletions
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12
esphome/components/image/__init__.py
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@@ -24,6 +24,7 @@ IMAGE_TYPE = {
"BINARY": ImageType.IMAGE_TYPE_BINARY,
"GRAYSCALE": ImageType.IMAGE_TYPE_GRAYSCALE,
"RGB24": ImageType.IMAGE_TYPE_RGB24,
"TRANSPARENT_BINARY": ImageType.IMAGE_TYPE_TRANSPARENT_BINARY,
}
Image_ = display.display_ns.class_("Image")
@@ -99,6 +100,17 @@ async def to_code(config):
pos = x + y * width8
data[pos // 8] |= 0x80 >> (pos % 8)
elif config[CONF_TYPE] == "TRANSPARENT_BINARY":
image = image.convert("RGBA")
width8 = ((width + 7) // 8) * 8
data = [0 for _ in range(height * width8 // 8)]
for y in range(height):
for x in range(width):
if not image.getpixel((x, y))[3]:
continue
pos = x + y * width8
data[pos // 8] |= 0x80 >> (pos % 8)
rhs = [HexInt(x) for x in data]
prog_arr = cg.progmem_array(config[CONF_RAW_DATA_ID], rhs)
cg.new_Pvariable(