change render structure

src/graphics/BoardRenderer.cpp

@@ -0,0 +1,112 @@
+#include "Render.h"
+
+Renderer::Renderer(int WIDTH, int HEIGHT) : m_Width(WIDTH), m_Height(HEIGHT) {
+    m_cellSize = HEIGHT / m_boardRow;
+}
+
+
+
+Renderer::~Renderer() {
+    if (m_renderer) SDL_DestroyRenderer(m_renderer);
+    if (m_window)   SDL_DestroyWindow(m_window);
+}
+
+bool Renderer::initialize() { 
+    // 创建窗口（支持高DPI和横屏）[3,4](@ref)
+    m_window = SDL_CreateWindow(
+    "孢子棋",                          // 窗口标题，显示在标题栏上         
+    m_Width,                    // 窗口的逻辑宽度（例如 800），用于统一布局，不受屏幕 DPI 影响
+    m_Height,                   // 窗口的逻辑高度（例如 600）
+    SDL_WINDOW_HIGH_PIXEL_DENSITY |   // 启用高像素密度支持（HiDPI/Retina），确保在高分屏上画面清晰
+    SDL_WINDOW_RESIZABLE              // 允许用户调整窗口大小（可拉伸）
+);
+    if (!m_window) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "创建窗口失败: %s", SDL_GetError());
+                 return false;
+    }
+    
+    // 创建渲染器
+    m_renderer = SDL_CreateRenderer(m_window, nullptr); //自动选择合适渲染器，开启硬件加速和垂直同步
+    if (!m_renderer) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                 "创建渲染器失败: %s", SDL_GetError());
+                 return false;
+    }
+    
+    // 设置逻辑呈现模式，实现分辨率自适应[3](@ref)
+    SDL_SetRenderLogicalPresentation(m_renderer,
+                                    m_Width,
+                                    m_Height,
+                                    SDL_LOGICAL_PRESENTATION_LETTERBOX);
+    SDL_SetWindowSize(m_window, m_Width, m_Height);
+    return true;
+}
+
+
+
+
+void Renderer::render() {
+    clear();
+    
+    drawBoard();
+
+    present();
+
+
+}
+
+void Renderer::clear() {
+    // 设置画笔颜色
+    SDL_SetRenderDrawColor(m_renderer, 255, 255, 255, 255);
+    // 使用画笔颜色填充整个屏幕
+    SDL_RenderClear(m_renderer);
+}
+
+void Renderer::present() {
+    SDL_RenderPresent(m_renderer);
+}
+
+void Renderer::drawBoard() {
+    auto area = getBoardArea();
+    
+
+// 绘制棋盘格子（交替颜色）
+for (int row = 0; row < area.rows; ++row) {
+    for (int col = 0; col < area.cols; ++col) {
+        // 使用 SDL_FRect（浮点数）
+        SDL_FRect rect{
+            static_cast<float>(area.x + col * area.cellSize),
+            static_cast<float>(area.y + row * area.cellSize),
+            static_cast<float>(area.cellSize),
+            static_cast<float>(area.cellSize)
+        };
+
+        bool isLight = (row + col) % 2 == 0;
+        SDL_SetRenderDrawColor(m_renderer, 
+            isLight ? 240 : 180,
+            isLight ? 220 : 160,
+            isLight ? 180 : 120,
+            255);
+
+        // SDL3: RenderFillRect 接受 const SDL_FRect*
+        SDL_RenderFillRect(m_renderer, &rect);
+    }
+}
+
+
+}
+
+ui::BoardArea Renderer::getBoardArea() const {
+    return {
+        (m_Width - m_cellSize * m_boardCOL) / 2,
+        (m_Height - m_cellSize * m_boardRow) / 2,
+        m_cellSize,
+        m_boardRow,
+        m_boardCOL
+    };
+}
+
+SDL_Renderer* Renderer::getSDLRenderer() const {
+    return m_renderer;
+}

src/graphics/BoardRenderer.h

@@ -0,0 +1,38 @@
+#pragma once
+#include "UIType.h"
+#include <SDL3/SDL.h>
+
+class Renderer
+{
+private:
+    SDL_Window* m_window = nullptr;
+    SDL_Renderer* m_renderer = nullptr; 
+    int m_Width;
+    int m_Height;
+    int m_cellSize;
+    int m_boardRow = 7;
+    int m_boardCOL = 7;
+public:
+    Renderer(int WIDTH, int HEIGHT);  
+    
+    ~Renderer();
+    // 渲染画面
+    void render();
+    bool initialize();
+    // 清除上一帧的渲染
+    void clear();
+    // 展现画面
+    void present();
+
+
+
+    // 绘制棋盘
+    void drawBoard();
+
+    
+    ui::BoardArea getBoardArea() const;
+
+    SDL_Renderer* getSDLRenderer() const;
+};
+
+