const std = @import("std");

const c = @cImport({
    @cInclude("stb_image.h");
});

const STBImage = @This();

rgba8_pixels: [*c]u8,
width: u32,
height: u32,

pub fn load(png_data: []const u8) !STBImage {
    var width: c_int = undefined;
    var height: c_int = undefined;
    const pixels = c.stbi_load_from_memory(png_data.ptr, @intCast(png_data.len), &width, &height, null, 4);
    if (pixels == null) {
        return error.InvalidPng;
    }

    return STBImage{
        .rgba8_pixels = pixels,
        .width = @intCast(width),
        .height = @intCast(height)
    };
}

pub fn deinit(self: *const STBImage) void {
    c.stbi_image_free(self.rgba8_pixels);
}