public void draw_gradient_quad(int x_, int y_, int width_, int height_, int color1_, int color2_) {
        if (x_ < x) {
            width_ -= x - x_;
            x_ = x;
        }
        if (x_ + width_ > width)
            width_ = width - x_;

        int c2_r = color2_ >> 16 & 0xff;
        int c2_g = color2_ >> 8 & 0xff;
        int c2_b = color2_ & 0xff;

        int c1_r = color1_ >> 16 & 0xff;
        int c1_g = color1_ >> 8 & 0xff;
        int c1_b = color1_ & 0xff;
        int max_start_width = menu_width - width_;
        byte scan_lines = 1;
        if (f1_toggle) {
            scan_lines = 2;
            max_start_width += menu_width;
            if ((y_ & 1) != 0) {
                y_++;
                height_--;
            }
        }
        int pxl_pos = x_ + y_ * menu_width;
        for (int _y = 0; _y < height_; _y += scan_lines)
            if (_y + y_ >= y && _y + y_ < height) {
                int new_pxl = ((c2_r * _y + c1_r * (height_ - _y)) / height_ << 16) + ((c2_g * _y + c1_g * (height_ - _y)) / height_ << 8) + (c2_b * _y + c1_b * (height_ - _y)) / height_;
                for (int _x = -width_; _x < 0; _x++)
                    img_pxl_arr[pxl_pos++] = new_pxl;
                pxl_pos += max_start_width;
            } else
                pxl_pos += menu_width;
    }