Import XaoS r489 (trunk after version 3.5)

1 files changed, 22 insertions, 0 deletions

diff --git a/src/engine/paletted.c b/src/engine/paletted.c
new file mode 100644
index 0000000..2a1a3f0
--- /dev/null
+++ b/src/engine/paletted.c
@@ -0,0 +1,22 @@
+#ifndef UNSUPPORTED
+static void cpalette(void *data, struct taskinfo *task, int r1, int r2)
+{
+    pixel8_t *src, *srcend;
+    cppixel_t dest;
+    struct filter *f = (struct filter *) data;
+    struct palettedata *s = (struct palettedata *) f->data;
+    int i;
+    unsigned int *table = s->table;
+    for (i = r1; i < r2; i++) {
+	src = f->childimage->currlines[i];
+	srcend = src + f->image->width;
+	dest = (cppixel_t) f->image->currlines[i];
+	while (src < srcend) {
+	    p_set(dest, table[*src]);
+	    src++;
+	    p_inc(dest, 1);
+	}
+    }
+}
+#endif
+#undef cpalette