From c4a3dd3a26c583250c96e3acd2e6ce900bd15c5c Mon Sep 17 00:00:00 2001
From: Alessandro Mauri <alemauri001@gmail.com>
Date: Thu, 12 Jun 2025 18:56:57 +0200
Subject: [PATCH] tweak ugui api, add some usefult functions

---
 lib/ugui.c3l/src/ugui_core.c3   |  2 +-
 lib/ugui.c3l/src/ugui_font.c3   | 10 ++++++++++
 lib/ugui.c3l/src/ugui_shapes.c3 |  8 +++++++-
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/lib/ugui.c3l/src/ugui_core.c3 b/lib/ugui.c3l/src/ugui_core.c3
index a1c7e2b..efa804c 100644
--- a/lib/ugui.c3l/src/ugui_core.c3
+++ b/lib/ugui.c3l/src/ugui_core.c3
@@ -62,7 +62,7 @@ alias ElemCache = cache::Cache{Id, Elem, MAX_ELEMENTS};
 
 alias CmdQueue = fifo::Fifo{Cmd};
 
-faultdef INVALID_SIZE, EVENT_UNSUPPORTED, UNEXPECTED_ELEMENT, WRONG_ELEMENT_TYPE;
+faultdef INVALID_SIZE, EVENT_UNSUPPORTED, UNEXPECTED_ELEMENT, WRONG_ELEMENT_TYPE, WRONG_ID;
 
 const Rect DIV_FILL = { .x = 0, .y = 0, .w = 0, .h = 0 };
 
diff --git a/lib/ugui.c3l/src/ugui_font.c3 b/lib/ugui.c3l/src/ugui_font.c3
index 5afe033..23700c6 100644
--- a/lib/ugui.c3l/src/ugui_font.c3
+++ b/lib/ugui.c3l/src/ugui_font.c3
@@ -224,3 +224,13 @@ fn Id Ctx.get_font_id(&ctx, String label)
 {
 	return (Id)label.hash();
 }
+
+fn Atlas*? Ctx.get_font_atlas(&ctx, String name)
+{
+	// TODO: use the font name, for now there is only one font
+	if (name.hash() != ctx.font.id) {
+		return WRONG_ID?;
+	}
+
+	return &ctx.font.atlas;
+}
diff --git a/lib/ugui.c3l/src/ugui_shapes.c3 b/lib/ugui.c3l/src/ugui_shapes.c3
index ebef525..1bfb00a 100644
--- a/lib/ugui.c3l/src/ugui_shapes.c3
+++ b/lib/ugui.c3l/src/ugui_shapes.c3
@@ -193,7 +193,7 @@ struct Color{
 	char r, g, b, a;
 }
 
-macro Color uint.to_rgba(uint u)
+macro Color uint.to_rgba(u)
 {
 	return {
 		.r = (char)((u >> 24) & 0xff),
@@ -202,3 +202,9 @@ macro Color uint.to_rgba(uint u)
 		.a = (char)((u >> 0) & 0xff)
 	};
 }
+
+macro uint Color.to_uint(c)
+{
+	uint u = c.r | (c.g << 8) | (c.b << 16) | (c.a << 24);
+	return u;
+}