From c35fe48fc39e2ca05fdd62a0d6fdb76a5a010553 Mon Sep 17 00:00:00 2001
From: zhenyan121 <3367366583@qq.com>
Date: Thu, 5 Feb 2026 10:25:37 +0800
Subject: [PATCH] feat: add background support for Label

---
 src/graphics/ui/UIRenderer.cpp | 15 +++++++++------
 src/graphics/ui/UIRenderer.h   |  5 +++--
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/graphics/ui/UIRenderer.cpp b/src/graphics/ui/UIRenderer.cpp
index 68ffc66..0d6bf2c 100644
--- a/src/graphics/ui/UIRenderer.cpp
+++ b/src/graphics/ui/UIRenderer.cpp
@@ -44,7 +44,7 @@ void UIRenderer::renderUI(const UIRenderData& uiRenderData) {
 
 void UIRenderer::renderButton(const ButtonData& buttonData) {
     //SDL_Log("render button\n");
-    renderButtonBackground(buttonData);
+    renderBackground<ButtonData>(buttonData);
     
     renderButtonBorder(buttonData);
     renderText<ButtonData>(buttonData);
@@ -52,12 +52,13 @@ void UIRenderer::renderButton(const ButtonData& buttonData) {
 
 void UIRenderer::renderLabel(const LabelData& labelData) {
     //SDL_Log("start render label\n");
+    renderBackground<LabelData>(labelData);
     renderText<LabelData>(labelData);
 }
 
 
-
-void UIRenderer::renderButtonBackground(const ButtonData& buttonData) {
+template <typename Type>
+void UIRenderer::renderBackground(const Type& data) {
     // 设置绘制颜色
     if (!m_renderer) {
         SDL_Log("renderer is null\n");
@@ -65,9 +66,11 @@ void UIRenderer::renderButtonBackground(const ButtonData& buttonData) {
    // SDL_Log("renderButtonBackground called for rect (%d,%d,%d,%d)",
    //         buttonData.rect.x, buttonData.rect.y, buttonData.rect.w, buttonData.rect.h);
     //SDL_Log("start render background\n");
-    auto m_backgroundColor = buttonData.backgroundColor;
-    auto m_rect = buttonData.rect;
-    
+    auto m_backgroundColor = data.backgroundColor;
+    auto m_rect = data.rect;
+    if (data.backgroundColor.a == 0) {
+        return;
+    }
     SDL_SetRenderDrawColor(m_renderer, m_backgroundColor.r, m_backgroundColor.g, m_backgroundColor.b, m_backgroundColor.a);
     //auto [width, height] = m_textRenderer->getLogicalTextSize(buttonData.text, buttonData.textstytle);
     auto viewport = m_textRenderer->getViewport();
diff --git a/src/graphics/ui/UIRenderer.h b/src/graphics/ui/UIRenderer.h
index a44f12d..d17ae4d 100644
--- a/src/graphics/ui/UIRenderer.h
+++ b/src/graphics/ui/UIRenderer.h
@@ -13,10 +13,11 @@ private:
 
 
     /**
-     * @brief 渲染按钮背景
+     * @brief 渲染背景
      * @param renderer SDL渲染器
      */
-    void renderButtonBackground(const ButtonData& buttonData);
+    template <typename Type>
+    void renderBackground(const Type& data);
     
     /**
      * @brief 渲染按钮边框