#include "Font.h"

#include "font16_data.h"

void Font::textToBitmap(const char *text, Bitmap *bmp, const Fader::Color &color_on, const Fader::Color &color_off)
{
    uint32_t bitmapWidth = 0;

    const char *cp = text;
    while(*cp) {
        uint8_t idx = font_lut[static_cast<uint8_t>(*cp)];

        bitmapWidth += font_width[idx];

        cp++;
    }

    bmp->resize(bitmapWidth, font_height);

    uint32_t bmp_x = 0;
    cp = text;
    while(*cp) {
        uint8_t idx = font_lut[static_cast<uint8_t>(*cp)];

        uint16_t char_start = font_pos[idx];
        uint16_t char_end = char_start + font_width[idx];

        for(uint16_t char_pos = char_start; char_pos < char_end; char_pos++) {
            uint16_t char_data = font_data[char_pos];

            for(uint8_t y = 0; y < font_height; y++) {
                uint32_t bmp_y = y;

                if(char_data & (1 << y)) {
                    bmp->pixel(bmp_x, bmp_y) = color_on;
                } else {
                    bmp->pixel(bmp_x, bmp_y) = color_off;
                }
            }

            bmp_x++;
        }

        cp++;
    }
}