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'''animate individual characters in a variable font''' | |
fontName = 'Skia' | |
txt = 'variablefonts' | |
# steps between min/max range | |
steps = 12 | |
# variable font range | |
variations = listFontVariations(fontName) | |
axis = list(variations.keys())[0] | |
minW = variations[axis]['minValue'] | |
maxW = variations[axis]['maxValue'] | |
# rect height range | |
minH, maxH = 60, 90 | |
# step for each range | |
stepR = (1.0 - 0.0) / (steps - 1) # red channel | |
stepW = (maxW - minW) / (steps - 1) # variable font | |
stepH = (maxH - minH) / (steps - 1) # rect height | |
for i in range((steps * 2) - 2): | |
if i < steps: | |
R = 0.0 + i * stepR | |
W = minW + i * stepW | |
H = minH + i * stepH | |
else: | |
R = 1.0 - ((i % steps) + 1) * stepR | |
W = maxW - ((i % steps) + 1) * stepW | |
H = maxH - ((i % steps) + 1) * stepH | |
# print(i, R, W) | |
newPage(600, 400) | |
font('Menlo-Bold') | |
fill(1, 1, 0) | |
rect(0, 0, width(), height()) | |
fill(R, 0, 0) | |
text(f'{R:.3f} / {W:.3f}', (20, height() - 20)) | |
text(f'{i}', (width() - 20, height() - 20), align='right') | |
fill(0) | |
text(f'min: {minW}', (20, 20)) | |
fill(1, 0, 0) | |
text(f'max: {maxW}', (width() - 20, 20), align='right') | |
fill(R, 0, 0) | |
text(axis, (width() / 2, 20), align='center') | |
w = (width() - 40) / len(txt) | |
save() | |
translate(20, 50) | |
# step for character variation | |
stepR_ = (1.0 - 0.0) / (len(txt)) | |
stepW_ = (maxW - minW) / (len(txt)) | |
stepH_ = (maxH - minH) / (len(txt)) | |
T = FormattedString() | |
T.fontSize(81) | |
T.font(fontName) | |
for j, char in enumerate(txt): | |
R_ = R + j * stepR_ | |
W_ = W + j * stepW_ | |
H_ = H + j * stepH_ | |
if R_ > 1.0: R_ -= 1.0 | |
if W_ > maxW: W_ -= (maxW - minW) | |
if H_ > maxH: H_ -= (maxH - minH) | |
fill(R_, 0, 0) | |
rect(0, 0, w, H_) | |
fill(1, 1, 0) | |
text('%.3f' % R_, (5, 10)) | |
text('%.3f' % W_, (5, 25)) | |
T.append(char, fill=(R_, 0, 0), fontVariations={axis:W_}) | |
translate(w * 1.0, 0) | |
R_ += stepR_ | |
W_ += stepW_ | |
H_ += stepH_ | |
restore() | |
text(T, (width() / 2, height() / 2), align='center') | |
saveImage(f'variable_{axis}.gif') |
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