/* 
    ptrnt - print labels on linux
    Copyright (C) 2023  Moritz Martinius

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

 */

#include "Image.hpp"

#include <string>

#include "pango/pango-font.h"

namespace ptprnt::graphics {
Image::Image() {
    mSurface         = cairo_image_surface_create(CAIRO_FORMAT_A8, 512, 128);
    cairo_t* cr      = cairo_create(mSurface);
    mFontDescription = pango_font_description_new();
    pango_font_description_set_family(mFontDescription, "sans");
    pango_font_description_set_weight(mFontDescription, PANGO_WEIGHT_SEMIBOLD);
    pango_font_description_set_size(mFontDescription, 60 * PANGO_SCALE);

    std::string printThis("Mist 💩");

    mLayout = pango_cairo_create_layout(cr);
    pango_layout_set_font_description(mLayout, mFontDescription);
    pango_layout_set_text(mLayout, printThis.c_str(), -1);

    cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
    cairo_move_to(cr, 0.0, 94.0);
    pango_cairo_show_layout_line(cr, pango_layout_get_line(mLayout, 0));

    cairo_surface_write_to_png(mSurface, "hello.png");
}

uint8_t* Image::getRaw() {
    cairo_surface_flush(mSurface);
    return cairo_image_surface_get_data(mSurface);
}

Image::~Image() {
    g_object_unref(mLayout);
    pango_font_description_free(mFontDescription);
}
}  // namespace ptprnt::graphics