lua: expose ImGui.Image() function

alexey-lysiuk · Oct 21, 2024 · b284f50 · b284f50
1 parent b51e740
commit b284f50
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Showing 2 changed files with 21 additions and 1 deletion.
diff --git a/Quake/ls_imgui.cpp b/Quake/ls_imgui.cpp
@@ -48,6 +48,11 @@ static ImVec2 ToImVec2(const LS_Vector2& value)
 	return ImVec2(value[0], value[1]);
 }
 
+static ImVec4 ToImVec4(const LS_Vector4& value)
+{
+	return ImVec4(value[0], value[1], value[2], value[3]);
+}
+
 
 struct LS_TextBuffer
 {

diff --git a/Quake/ls_imgui_funcs.h b/Quake/ls_imgui_funcs.h
@@ -363,6 +363,21 @@ static int LS_global_imgui_Checkbox(lua_State* state)
 	return 2;
 }
 
+static int LS_global_imgui_Image(lua_State* state)
+{
+	LS_EnsureFrameScope(state);
+
+	const ImTextureID texID = luaL_checkinteger(state, 1);
+	const LS_Vector2 size = luaL_opt(state, LS_GetVectorValue<2>, 2, LS_Vector2::Zero());
+	const LS_Vector2 uv0 = luaL_opt(state, LS_GetVectorValue<2>, 3, LS_Vector2::Zero());
+	const LS_Vector2 uv1 = luaL_opt(state, LS_GetVectorValue<2>, 4, LS_Vector2::One());
+	const LS_Vector4 tintColor = luaL_opt(state, LS_GetVectorValue<4>, 5, LS_Vector4::One());
+	const LS_Vector4 borderColor = luaL_opt(state, LS_GetVectorValue<4>, 6, LS_Vector4::Zero());
+
+	ImGui::Image(texID, ToImVec2(size), ToImVec2(uv0), ToImVec2(uv1), ToImVec4(tintColor), ToImVec4(borderColor));
+	return 0;
+}
+
 static int LS_global_imgui_BeginCombo(lua_State* state)
 {
 	LS_EnsureFrameScope(state);
@@ -1037,7 +1052,7 @@ static void LS_InitImGuiFuncs(lua_State* state)
 		// * TextLinkOpenURL
 
 		// Widgets: Images
-		// * Image
+		{ "Image", LS_global_imgui_Image },
 		// * ImageButton
 
 		// Widgets: Combo Box