archeus/packages/graphics/sdl3/text.c

#include "arc/graphics/text.h"

#include "renderer.h"
#include "arc/graphics/color.h"
#include "arc/math/point.h"
#include "arc/math/rectangle.h"
#include "arc/std/string.h"
#include <stdlib.h>
#include <stdio.h>

#include <SDL3_ttf/SDL_ttf.h>

void ARC_Text_Create(ARC_Text **text, ARC_String *path, int32_t size, ARC_Color color){
    *text = (ARC_Text *)malloc(sizeof(ARC_Text));

    ARC_String_Copy(&(*text)->name, path);

    (*text)->fontSize    = size;
    (*text)->bounds      = (ARC_FRect){ 0.0f, 0.0f, 0.0f, 0.0f };
    (*text)->color       = color;
    (*text)->backendData = NULL;

    //TODO: fix this
    if(TTF_Init() == false) {
        printf("TTF_Init: %s\n", SDL_GetError());
        exit(2);
    }
}

void ARC_Text_Destroy(ARC_Text *font){
    if(font->backendData != NULL){
        SDL_DestroyTexture((SDL_Texture *)font->backendData);
    }

    ARC_String_Destroy(font->name);
    free(font);
}

void ARC_Text_SetString(ARC_Text *text, ARC_Renderer *renderer, ARC_String *string){
    TTF_Font *ttfont = TTF_OpenFont(text->name->data, text->fontSize);
    SDL_Color textColor = (SDL_Color){ text->color.r, text->color.g, text->color.b, text->color.a };

    SDL_Surface *surface = TTF_RenderText_Blended(ttfont, string->data, 0, textColor);

    text->bounds.w = surface->w;
    text->bounds.h = surface->h;

    if(text->backendData != NULL){
        SDL_DestroyTexture((SDL_Texture *)text->backendData);
    }
    text->backendData = (void *)SDL_CreateTextureFromSurface(renderer->renderer, surface);

    SDL_DestroySurface(surface);
    TTF_CloseFont(ttfont);
}

void ARC_Text_Render(ARC_Text *text, ARC_Renderer *renderer){
    if(text->backendData == NULL){
        return;
    }

    SDL_FRect bounds = (SDL_FRect){ text->bounds.x, text->bounds.y, text->bounds.w, text->bounds.h };
    SDL_RenderTexture(renderer->renderer, (SDL_Texture *)(text->backendData), NULL, &bounds);
}

void ARC_Text_SetPos(ARC_Text *text, ARC_Point pos){
    text->bounds.x = pos.x;
    text->bounds.y = pos.y;
}