Yu-Ping Wu a26986e1a7 libpayload: cbgfx: Support drawing a box with rounded corners
A function draw_rounded_box() is added to draw a box with rounded
corners. In addition, this function is different from draw_box() in 2
ways:
- The position and size arguments are relative to the canvas.
- This function supports drawing only the border of a box (linear time
  complexity when the thickness is fixed).

BRANCH=none
BUG=b:146105976
TEST=emerge-nami libpayload

Change-Id: Ie480410d2fd8316462d5ff874999ae2317de04f9
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37757
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
2020-01-14 18:25:36 +00:00
..
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