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-rw-r--r--src/lib/libkogata/draw.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/lib/libkogata/draw.c b/src/lib/libkogata/draw.c
index b9ef9bc..0536c03 100644
--- a/src/lib/libkogata/draw.c
+++ b/src/lib/libkogata/draw.c
@@ -208,6 +208,14 @@ void g_blit_region(fb_t *dst, int x, int y, fb_t *src, fb_region_t reg) {
}
}
+void g_scroll_up(fb_t *dst, int l) {
+ for (unsigned y = 0; y < dst->geom.height - l; y++) {
+ memcpy(dst->data + y * dst->geom.pitch,
+ dst->data + (y + l) * dst->geom.pitch,
+ dst->geom.pitch);
+ }
+}
+
// ---- Text manipulation
#define FONT_ASCII_BITMAP 1