//
// Created by bruno on 1.2.2025.
//

#include "font.h"

BitmapFont
prepText(SDL_Renderer *renderer, unsigned char pxSize, const char *file, uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
    const unsigned char ptSize = floor(pxSize * 0.75);
    TTF_Font *gFont = TTF_OpenFont(file, ptSize);
    BitmapFont out;
    out.size = pxSize;
    out.color = (SDL_Color) {r, g, b, a};
    unsigned char i = 0;
    SDL_Surface *fontTempSurf = NULL;
    do {
        char tmpOut[2] = {i, 0};

        fontTempSurf = TTF_RenderText_Solid(gFont, tmpOut, out.color);
        SDL_Rect dstRect;
        dstRect.x = 0;
        dstRect.y = 0;
        dstRect.w = pxSize;
        dstRect.h = pxSize;
        out.texture[i] = SDL_CreateTextureFromSurface(renderer, fontTempSurf);
        i++;
    } while (i < 255);

    SDL_FreeSurface(fontTempSurf);
    TTF_CloseFont(gFont);
    return out;
}

void renderText(SDL_Renderer *renderer, BitmapFont font, char *string, uint16_t x, uint16_t y) {
    SDL_Rect charRect;
    charRect.x = 0;
    charRect.y = 0;
    charRect.w = font.size;
    charRect.h = font.size;
    SDL_Rect outRect = charRect;
    outRect.x = x;
    outRect.y = y;

    while (*string) {
        SDL_RenderCopy(renderer, font.texture[*string], &charRect, &outRect);
        outRect.x += charRect.w + 1;
        string++;
    }
}