From 44d26b77c45668c9b0c99894a4294cec004361fe Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Fri, 16 Jul 2021 08:09:42 -0700
Subject: .

---
 apps/ex6.mu | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 apps/ex6.mu

(limited to 'apps/ex6.mu')

diff --git a/apps/ex6.mu b/apps/ex6.mu
new file mode 100644
index 00000000..fbad3c13
--- /dev/null
+++ b/apps/ex6.mu
@@ -0,0 +1,32 @@
+# Drawing ASCII text incrementally.
+#
+# To build a disk image:
+#   ./translate apps/ex6.mu        # emits code.img
+# To run:
+#   qemu-system-i386 code.img
+# Or:
+#   bochs -f bochsrc               # bochsrc loads code.img
+#
+# Expected output: a box and text that doesn't overflow it
+
+fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) {
+  # drawing text within a bounding box
+  draw-box-on-real-screen 0xf, 0x1f, 0x79, 0x51, 0x4
+  var x/eax: int <- copy 0x20
+  var y/ecx: int <- copy 0x20
+  x, y <- draw-text-wrapping-right-then-down screen, "hello ",     0x10/xmin, 0x20/ymin, 0x78/xmax, 0x50/ymax, x, y, 0xa/fg, 0/bg
+  x, y <- draw-text-wrapping-right-then-down screen, "from ",      0x10/xmin, 0x20/ymin, 0x78/xmax, 0x50/ymax, x, y, 0xa/fg, 0/bg
+  x, y <- draw-text-wrapping-right-then-down screen, "baremetal ", 0x10/xmin, 0x20/ymin, 0x78/xmax, 0x50/ymax, x, y, 0xa/fg, 0/bg
+  x, y <- draw-text-wrapping-right-then-down screen, "Mu!",        0x10/xmin, 0x20/ymin, 0x78/xmax, 0x50/ymax, x, y, 0xa/fg, 0/bg
+
+  # drawing at the cursor in multiple directions
+  draw-text-wrapping-down-then-right-from-cursor-over-full-screen screen, "abc", 0xa/fg, 0/bg
+  draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, "def", 0xa/fg, 0/bg
+
+  # test drawing near the edge
+  x <- draw-text-rightward screen, "R", 0x7f/x, 0x80/xmax=screen-width, 0x18/y, 0xa/fg, 0/bg
+  draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, "wrapped from R", 0xa/fg, 0/bg
+
+  x <- draw-text-downward screen, "D", 0x20/x, 0x2f/y, 0x30/ymax=screen-height, 0xa/fg, 0/bg
+  draw-text-wrapping-down-then-right-from-cursor-over-full-screen screen, "wrapped from D", 0xa/fg, 0/bg
+}
-- 
cgit 1.4.1-2-gfad0