about summary refs log tree commit diff stats
diff options
context:
space:
mode:
authorKartik K. Agaram <vc@akkartik.com>2021-07-08 16:33:49 -0700
committerKartik K. Agaram <vc@akkartik.com>2021-07-08 16:33:49 -0700
commitf07ebb9e5e46b0bc875b4dc1ffea3c98dc638dc4 (patch)
treec4481616694e193ae5ba9523123029bfd3983799
parentb049cc132034e4925b3e09ce662ceb0ac31e495b (diff)
downloadmu-f07ebb9e5e46b0bc875b4dc1ffea3c98dc638dc4.tar.gz
.
-rw-r--r--img.mu5
1 files changed, 2 insertions, 3 deletions
diff --git a/img.mu b/img.mu
index 2ce47060..44c9b1e9 100644
--- a/img.mu
+++ b/img.mu
@@ -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
146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227