start of a c++ widget toolkit, c++ runtime

1 files changed, 31 insertions, 0 deletions

diff --git a/src/user/raleigh/w/padding.cpp b/src/user/raleigh/w/padding.cpp
new file mode 100644
index 0000000..6833c5d
--- /dev/null
+++ b/src/user/raleigh/w/padding.cpp
@@ -0,0 +1,31 @@
+#include <raleigh/w/padding.h>
+
+namespace raleigh {
+  padding::padding(uint32_t pad_by, _pixel_t color, widget &inner)
+    : pad_by(pad_by), color(color), inner(inner) {
+    size = coord(inner.size.x + pad_by * 2, inner.size.y + pad_by * 2);
+  }
+
+  void padding::notify_window_change() {
+    inner.w = w;
+    inner.window_offset = coord(window_offset.x + pad_by, window_offset.y + pad_by);
+    inner.notify_window_change();
+  }
+
+  void padding::paint(_pixel_t *pixbuf, uint32_t pitch) {
+    for (uint32_t y = window_offset.y; y < window_offset.y + pad_by; ++y)
+      for (uint32_t x = window_offset.x; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = color;
+    for (uint32_t y = window_offset.y + size.y - pad_by; y < window_offset.y + size.y; ++y)
+      for (uint32_t x = window_offset.x; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = color;
+    for (uint32_t y = window_offset.y + pad_by; y < window_offset.y + size.y - pad_by; ++y) {
+      for (uint32_t x = window_offset.x; x < window_offset.x + pad_by; ++x)
+        pixbuf[y * pitch + x] = color;
+      for (uint32_t x = window_offset.x + size.x - pad_by; x < window_offset.x + size.x; ++x)
+        pixbuf[y * pitch + x] = color;
+    }
+
+    inner.paint(pixbuf, pitch);
+  }
+}
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