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This commit is contained in:
elpekenin 2023-12-11 23:24:43 +01:00
parent ae18481f50
commit e5b0a38596
1 changed files with 17 additions and 2 deletions
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19
lib/python/qmk/painter_qff.py
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@ -22,6 +22,11 @@ def o24(i):
class QFFGlyphInfo(AttrDict):
GLYPH_WIDTH_BITS = 6
GLYPH_WIDTH_MASK = (1 << GLYPH_WIDTH_BITS) - 1
GLYPH_OFFSET_BITS = 18
GLYPH_OFFSET_MASK = ((1 << GLYPH_OFFSET_BITS) - 1) << GLYPH_WIDTH_BITS
def __init__(self, *args, **kwargs):
super().__init__()
@ -35,7 +40,7 @@ class QFFGlyphInfo(AttrDict):
if include_code_point is True:
fp.write(o24(ord(self.code_point)))
value = ((self.data_offset << 6) & 0xFFFFC0) | (self.w & 0x3F)
value = ((self.data_offset << self.GLYPH_WIDTH_BITS) & self.GLYPH_OFFSET_MASK) | (self.w & self.GLYPH_WIDTH_MASK)
fp.write(o24(value))
@ -228,8 +233,18 @@ class QFFFont:
last_offset = 0
for x in range(1, width):
if pixels[x, 0] == glyph_split_color:
if x > ((1 << QFFGlyphInfo.GLYPH_OFFSET_BITS) - 1):
self.logger.error("A glyph has too big of an offset for QFF's encoding")
exit(1)
glyph_pixel_offsets.append(x)
glyph_pixel_widths.append(x - last_offset)
width = x - last_offset
if width > QFFGlyphInfo.GLYPH_WIDTH_MASK:
self.logger.error("A glyph is too wide for QFF's encoding")
exit(1)
glyph_pixel_widths.append(width)
last_offset = x
glyph_pixel_widths.append(width - last_offset)