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feat(draw_sw): add RGB565_SWAPPED support (#8227)

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Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
This commit is contained in:
Felix Biego
2025-05-26 18:43:17 +03:00
committed by GitHub
parent b6ab0e1020
commit 4421819c4b
246 changed files with 2601 additions and 44 deletions
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scripts/LVGLImage.py
+32 -10
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@@ -26,6 +26,8 @@ def uint8_t(val) -> bytes:
def uint16_t(val) -> bytes:
return val.to_bytes(2, byteorder='little')
def swap_uint16_t(val) -> bytes:
return val.to_bytes(2, byteorder='big')
def uint24_t(val) -> bytes:
return val.to_bytes(3, byteorder='little')
@@ -118,6 +120,7 @@ class ColorFormat(Enum):
ARGB8888 = 0x10
XRGB8888 = 0x11
RGB565 = 0x12
RGB565_SWAPPED = 0x1B
ARGB8565 = 0x13
RGB565A8 = 0x14
RGB888 = 0x0F
@@ -141,6 +144,7 @@ class ColorFormat(Enum):
ColorFormat.ARGB8888: 32,
ColorFormat.XRGB8888: 32,
ColorFormat.RGB565: 16,
ColorFormat.RGB565_SWAPPED: 16,
ColorFormat.RGB565A8: 16, # 16bpp + a8 map
ColorFormat.ARGB8565: 24,
ColorFormat.RGB888: 24,
@@ -189,6 +193,7 @@ class ColorFormat(Enum):
return self in (ColorFormat.ARGB8888, ColorFormat.RGB888,
ColorFormat.XRGB8888, ColorFormat.RGB565A8,
ColorFormat.ARGB8565, ColorFormat.RGB565,
ColorFormat.RGB565_SWAPPED,
ColorFormat.ARGB8888_PREMULTIPLIED)
@property
@@ -255,14 +260,23 @@ def unpack_colors(data: bytes, cf: ColorFormat, w) -> List:
if len(ret) % w == 0:
break
elif bpp == 16:
# This is RGB565
pixels = [(data[2 * i + 1] << 8) | data[2 * i]
for i in range(len(data) // 2)]
for p in pixels:
ret.append(bit_extend((p >> 11) & 0x1f, 5)) # R
ret.append(bit_extend((p >> 5) & 0x3f, 6)) # G
ret.append(bit_extend((p >> 0) & 0x1f, 5)) # B
if cf == ColorFormat.RGB565:
# This is RGB565
pixels = [(data[2 * i + 1] << 8) | data[2 * i]
for i in range(len(data) // 2)]
for p in pixels:
ret.append(bit_extend((p >> 11) & 0x1f, 5)) # R
ret.append(bit_extend((p >> 5) & 0x3f, 6)) # G
ret.append(bit_extend((p >> 0) & 0x1f, 5)) # B
elif cf == ColorFormat.RGB565_SWAPPED:
# This is RGB565_SWAPPED
pixels = [(data[2 * i] << 8) | data[2 * i + 1]
for i in range(len(data) // 2)]
for p in pixels:
ret.append(bit_extend((p >> 11) & 0x1f, 5)) # R
ret.append(bit_extend((p >> 5) & 0x3f, 6)) # G
ret.append(bit_extend((p >> 0) & 0x1f, 5)) # B
elif bpp == 24:
if cf == ColorFormat.RGB888:
B = data[0::3]
@@ -1030,6 +1044,14 @@ class LVGLImage:
color |= (g >> 2) << 5
color |= (b >> 3) << 0
return uint16_t(color)
elif cf == ColorFormat.RGB565_SWAPPED:
def pack(r, g, b, a):
r, g, b, a = color_pre_multiply(r, g, b, a, self.background)
color = (r >> 3) << 11
color |= (g >> 2) << 5
color |= (b >> 3) << 0
return swap_uint16_t(color)
elif cf == ColorFormat.RGB565A8:
@@ -1063,7 +1085,7 @@ class LVGLImage:
if (
self.rgb565_dither and
cf in (ColorFormat.RGB565, ColorFormat.RGB565A8, ColorFormat.ARGB8565)
cf in (ColorFormat.RGB565, ColorFormat.RGB565_SWAPPED, ColorFormat.RGB565A8, ColorFormat.ARGB8565)
):
treshold_id = ((y & 7) << 3) + (x & 7)
@@ -1366,7 +1388,7 @@ def main():
default="I8",
choices=[
"L8", "I1", "I2", "I4", "I8", "A1", "A2", "A4", "A8", "ARGB8888",
"XRGB8888", "RGB565", "RGB565A8", "ARGB8565", "RGB888", "AUTO",
"XRGB8888", "RGB565", "RGB565_SWAPPED", "RGB565A8", "ARGB8565", "RGB888", "AUTO",
"RAW", "RAW_ALPHA", "ARGB8888_PREMULTIPLIED"
])