linux环境 SDL绘制倾斜文字的代码示例
时间: 2023-09-15 14:14:49 浏览: 89
在 Linux 环境中,可以使用 SDL_ttf 库来实现绘制倾斜文字。下面是一个简单的 SDL 绘制倾斜文字的代码示例:
```c
#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>
int main(int argc, char* argv[])
{
SDL_Init(SDL_INIT_VIDEO);
TTF_Init();
SDL_Window* window = SDL_CreateWindow("SDL TTF example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, SDL_WINDOW_SHOWN);
SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, 0);
TTF_Font* font = TTF_OpenFont("font.ttf", 24);
if (!font) {
fprintf(stderr, "Failed to load font: %s\n", TTF_GetError());
return 1;
}
SDL_Color color = {255, 255, 255, 255};
SDL_Surface* surface = TTF_RenderUTF8_Blended(font, "Hello, SDL TTF!", color);
SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
int w, h;
SDL_QueryTexture(texture, NULL, NULL, &w, &h);
SDL_Rect dstrect = {100, 100, w, h};
SDL_RenderCopyEx(renderer, texture, NULL, &dstrect, 30, NULL, SDL_FLIP_NONE);
SDL_RenderPresent(renderer);
SDL_Delay(3000);
SDL_DestroyTexture(texture);
SDL_FreeSurface(surface);
TTF_CloseFont(font);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
TTF_Quit();
SDL_Quit();
return 0;
}
```
注:此代码示例需要在编译时链接 SDL2 和 SDL_ttf 库。