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https://github.com/zhenyan121/SporeBG-Conid.git
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Add TTF support
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35
src/graphics/font/FontManager.cpp
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35
src/graphics/font/FontManager.cpp
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#include "FontManager.h"
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#include <stdexcept>
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FontManager::FontManager() {
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}
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FontManager::~FontManager() {
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for (auto& pair : m_fonts) {
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TTF_CloseFont(pair.second);
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}
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m_fonts.clear();
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}
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TTF_Font* FontManager::loadFont(const std::string& fontID, int ptSize) {
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std::string path = "assets/fonts/" + fontID;
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std::string key = fontID + std::to_string(ptSize);
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auto it = m_fonts.find(key);
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// 检查字体是否已经加载
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if (it != m_fonts.end()) {
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return it->second;
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}
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TTF_Font* font = TTF_OpenFont(path.c_str(), ptSize);
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if (!font) {
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throw std::runtime_error("无法加载字体: " + key);
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}
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m_fonts[key] = font;
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return font;
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}
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TTF_Font* FontManager::getFont(const std::string& key) {
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auto it = m_fonts.find(key);
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return (it != m_fonts.end()) ? it->second : nullptr;
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}
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20
src/graphics/font/FontManager.h
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20
src/graphics/font/FontManager.h
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#pragma once
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#include <string>
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#include <unordered_map>
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#include <SDL3_ttf/SDL_ttf.h>
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class FontManager {
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public:
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FontManager();
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~FontManager();
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// 加载字体(路径 + 字号)
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// ptSize 为字号
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TTF_Font* loadFont(const std::string& fontID, int ptSize);
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// 获取已加载的字体
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TTF_Font* getFont(const std::string& key);
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private:
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// 用哈希表存储字体
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std::unordered_map<std::string, TTF_Font*> m_fonts;
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};
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