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

1 files changed, 27 insertions, 0 deletions

diff --git a/src/user/raleigh/w/label.cpp b/src/user/raleigh/w/label.cpp
new file mode 100644
index 0000000..047126d
--- /dev/null
+++ b/src/user/raleigh/w/label.cpp
@@ -0,0 +1,27 @@
+#include <raleigh/w/label.h>
+#include <libfont/fonts.h>
+#include <knob/block.h>
+
+namespace raleigh {
+  label::label(const char *value, const char *font, _pixel_t bg, _pixel_t fg)
+    : value(value), fi(get_font(font)), bg(bg), fg(fg) {
+    size = coord(
+      fi->space_width * (strlen(value) - 1) + fi->char_width,
+      fi->char_height
+    );
+  }
+
+  void label::notify_window_change() {}
+
+  void label::paint(_pixel_t *pixbuf, uint32_t pitch) {
+    for (uint32_t y = window_offset.y; 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] = bg;
+
+    _pixel_t *ptr = pixbuf + window_offset.y * pitch + window_offset.x;
+    for (const char *c = value; *c; ++c) {
+      put_char(fi, *c, ptr, pitch, bg, fg);
+      ptr += fi->space_width;
+    }
+  }
+}
\ No newline at end of file