tarfeef101/cs349

作者	SHA1 备注	提交日期
tsdedhar	61fbba4762 cannot figure out why on fast forwards we always try to redraw from the last element of the arrylist instead of the first unfinished one	6 年之前
tsdedhar	1293e282e8 slider works for thickness, inverse background colour for preview works too	6 年之前
tsdedhar	0c5f3f2e01 preview now shows up in top left of it's box, needs to be centred	6 年之前
tsdedhar	b8d8234703 added thiccness, need to fix preview	6 年之前