% Copyright 2026 Open-Guji (https://github.com/open-guji)
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
%     http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.

% luatex-cn-guji-SiKuQuanShu-colored.cfg
% Siku Quanshu Colored Layout (四库全书彩色版)
% Inherits from default (black & white) and adds color settings

% =============================================================================
% Load base configuration (black & white version)
% =============================================================================
\input{luatex-cn-guji-default.cfg}

% =============================================================================
% Override with colored settings
% =============================================================================
\gujiSetup{
    % Colors (RGB 0-255 format) - Siku Quanshu traditional colors
    border-color = {180, 95, 75},
    font-color = {35, 25, 20}
}

% =============================================================================
% Default Background Image
% =============================================================================
% Automatically apply the Siku Quanshu background texture to all pages.
% Supports split page mode: shows left/right half of background accordingly.
\RequirePackage{tikz}
\AddToHook{shipout/background}{%
    \updateSplitPageStatus
    \ifSplitPageEnabled
        % Split page mode: show left or right half of background
        \updateSplitPageSide
        \begin{tikzpicture}[overlay]
            \ifSplitPageRight
                % Right page: show right half of background (clip left half)
                \clip (0, -\paperheight) rectangle (\paperwidth, 0);
                \node[anchor=south~east, inner~sep=0pt] at (\paperwidth, -\paperheight) {
                    \includegraphics[width=\splitpageSourceWidth, height=\splitpageSourceHeight]{luatex-cn-guji-SiKuQuanShu-colored-background.png}
                };
            \else
                % Left page: show left half of background (clip right half)
                \clip (0, -\paperheight) rectangle (\paperwidth, 0);
                \node[anchor=south~west, inner~sep=0pt] at (0, -\paperheight) {
                    \includegraphics[width=\splitpageSourceWidth, height=\splitpageSourceHeight]{luatex-cn-guji-SiKuQuanShu-colored-background.png}
                };
            \fi
        \end{tikzpicture}
    \else
        % Normal mode: show full background
        \begin{tikzpicture}[overlay]
            \node[anchor=south~west, inner~sep=0pt] at (0, -\paperheight) {
                \includegraphics[width=\paperwidth, height=\paperheight]{luatex-cn-guji-SiKuQuanShu-colored-background.png}
            };
        \end{tikzpicture}
    \fi
}

% =============================================================================
% Default Stamp Color for Colored Template
% =============================================================================
% Define a color matching the traditional Siku Quanshu seal color: RGB(160, 65, 50)
\definecolor{印章红}{RGB}{160, 65, 50}


\endinput