1 files changed, 33 insertions, 0 deletions
diff --git a/plugins/dumb/dumb-kode54/studio/src/subclip.c b/plugins/dumb/dumb-kode54/studio/src/subclip.c
new file mode 100644
index 00000000..ef1a9137
--- /dev/null
+++ b/plugins/dumb/dumb-kode54/studio/src/subclip.c
@@ -0,0 +1,33 @@
+#include <allegro.h>
+
+#include "subclip.h"
+
+
+
+void subclip(int l, int t, int r, int b, void (*proc)(void *data), void *data)
+{
+	int cl = screen->cl;
+	int ct = screen->ct;
+	int cr = screen->cr;
+	int cb = screen->cb;
+
+	if (l < cl) l = cl;
+	if (t < ct) t = ct;
+	if (r > cr) r = cr;
+	if (b > cb) b = cb;
+
+	if (r > l && b > t) {
+		screen->cl = l;
+		screen->ct = t;
+		screen->cr = r;
+		screen->cb = b;
+
+		(*proc)(data);
+
+		screen->cl = cl;
+		screen->ct = ct;
+		screen->cr = cr;
+		screen->cb = cb;
+	}
+}
+