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This commit is contained in:
Kartik K. Agaram 2021-07-08 16:33:49 -07:00
parent b049cc1320
commit f07ebb9e5e
1 changed files with 2 additions and 3 deletions
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@ -335,8 +335,7 @@ fn render-pgm-image screen: (addr screen), _img: (addr image), xmin: int, ymin:
{
var src-a/eax: (addr byte) <- index data, i
var src/eax: byte <- copy-byte *src-a
var src-int/eax: int <- copy src
var color/eax: int <- nearest-grey src-int
var color/eax: int <- nearest-grey src
pixel screen, x, y, color
}
x <- increment
@ -349,7 +348,7 @@ fn render-pgm-image screen: (addr screen), _img: (addr image), xmin: int, ymin:
}
}
fn nearest-grey level-255: int -> _/eax: int {
fn nearest-grey level-255: byte -> _/eax: int {
var result/eax: int <- copy level-255
result <- shift-right 4
result <- add 0x10