63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#include "EngineFrame/Component/Text.h"
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#include "Text.h"
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#include "EngineCore/Game.h"
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Text::Text()
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{
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}
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Text::~Text()
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{
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}
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void Text::Init(std::string Str, TTF_Font *font, SDL_Color color)
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{
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if (!m_texture)
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{
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this->m_font = font;
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this->m_color = color;
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}
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// 先渲染为表面
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SDL_Surface *textSurface = TTF_RenderUTF8_Blended(font, Str.c_str(), color);
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if (!textSurface)
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{
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SDL_LogError(0, "文字渲染为表面失败！TTF_Error:%s", TTF_GetError());
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}
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// 转换为RGBA8888格式（与OpenGL的GL_RGBA匹配）
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SDL_Surface *rgbaSurface = SDL_ConvertSurfaceFormat(
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textSurface,
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SDL_PIXELFORMAT_ABGR8888,
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0);
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SDL_FreeSurface(textSurface);
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// 再将表面转换为纹理
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RenderManager *renderer = Game::GetInstance().GetRenderer();
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m_texture = new Texture;
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m_texture->Init(rgbaSurface);
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// 释放表面
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SDL_FreeSurface(rgbaSurface);
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Sprite::Init();
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}
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void Text::Render()
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{
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Sprite::Render();
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}
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void Text::SetText(std::string Str)
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{
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if (Str == m_text)
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return;
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// 如果有原纹理先删除原纹理
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if (m_texture)
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{
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m_texture = nullptr; // 置空指针
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}
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m_text = Str;
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Init(Str, m_font, m_color);
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}
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std::string Text::GetText()
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{
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return m_text;
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} |