SDL TTF -换行&改变换行的高度？

#include <SDL2/SDL.h>
#include <SDL2/SDL_ttf.h>

int main() {
    SDL_Init(SDL_INIT_VIDEO);
    TTF_Init();

    SDL_Window* window = SDL_CreateWindow("SDL TTF Example", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 800, 600, SDL_WINDOW_SHOWN);
    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);

    TTF_Font* font = TTF_OpenFont("arial.ttf", 24);
    SDL_Color color = { 255, 255, 255, 255 };

    SDL_Surface* surface = TTF_RenderText_Blended_Wrapped(font, "This is a long text that will wrap to the next line.", color, 400);
    SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);

    SDL_Rect dstRect = { 100, 100, surface->w, surface->h };

    SDL_RenderCopy(renderer, texture, NULL, &dstRect);
    SDL_RenderPresent(renderer);

    SDL_Delay(2000);

    // 改变换行的高度
    TTF_SetFontLineSkip(font, 40);

    SDL_Surface* surface2 = TTF_RenderText_Blended_Wrapped(font, "This is a long text with increased line height.", color, 400);
    SDL_Texture* texture2 = SDL_CreateTextureFromSurface(renderer, surface2);

    SDL_Rect dstRect2 = { 100, 200, surface2->w, surface2->h };

    SDL_RenderCopy(renderer, texture2, NULL, &dstRect2);
    SDL_RenderPresent(renderer);

    SDL_Delay(2000);

    SDL_DestroyTexture(texture);
    SDL_FreeSurface(surface);
    SDL_DestroyTexture(texture2);
    SDL_FreeSurface(surface2);
    TTF_CloseFont(font);

    SDL_DestroyRenderer(renderer);
    SDL_DestroyWindow(window);

    TTF_Quit();
    SDL_Quit();

    return 0;
}