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标题页采用 tikz

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标题页采用 tikz

我需要一些关于 tikz 标题页的帮助

我想创建以下内容... 3 条红线、一个灰色空间和一个绿色空间，但我只是在整个页面上创建一条线就已经失败了...

\draw (0,0) -- (\pagewidth,0)失败 :-(，它只能创建一条 2 厘米左右的线……

我希望任何人都擅长使用 tikz 并可以为我创建这个。

参考图

更新

@Tobi 我现在有以下内容：

\documentclass{report}
\usepackage{graphicx}
\usepackage{tikz}
\usetikzlibrary{
  calc,
  positioning
}
\begin{document}
\begin{titlepage}
\begin{tikzpicture}[overlay,remember picture]
  \coordinate (SW) at (current page.south west);
  \coordinate (SE) at (current page.south east);
  \coordinate (NW) at (current page.north west);
  \coordinate (NE) at (current page.north east);

  % commented out because it is not necessary to compile, 
  % but one should note that the background is here, 
  % because of overlapping parts.
  %\node at ($(current page.south west)$){
  %  \begin{tikzpicture}[overlay]
  %    %\includegraphics[width=\paperwidth]{./figures/cover_spaceshuttle.jpg}
  %  \end{tikzpicture}};  

  \fill[blue,very nearly opaque] ($(SW)!0.2!(SE)$) -| ($(SE)!1.95!(NE)$) -- cycle;
  \fill[red,very nearly opaque] ($(SW)!0.2!(SE)$) -| ($(SE)!1.95!(NE)$) -- cycle;
  \draw[white,fill] ($(SW)$) rectangle ($(SE)!0.1!(NE)$);
  \fill[blue,very nearly opaque] ($(SW)!0.2!(SE)$) -| ($(SE)!1.95!(NE)$) -- cycle;
  \draw[red] ($(SW)!0.20!(SE)$) -- ($(NW)!0.61!(NE)$);
  \draw[red] ($(SW)!0.10!(NW)$) -- ($(SE)!0.10!(NE)$);
  \node at ($(SW)!0.1!(NW)$) [
    anchor=north,
    xshift=6.40cm,
    yshift=0.13cm,
    minimum width=\paperwidth,
    align=center,
    outer sep=0pt,
    font=\sffamily]{something};
\end{tikzpicture}
\end{titlepage}
\end{document}

此代码生成以下页面现状和期望情况

现在蓝色填充一直填充到顶部，在左侧。但我只想让它填充大约 $(SW)!0.05!(NW)$，即右侧。我该如何实现这一点？提前致谢

答案1

使用选项overlay和remember picture使当前页面的坐标可用作节点current page。

尝试调整它来满足你的需要...

\documentclass{article}

\usepackage{tikz}
\usetikzlibrary{calc,positioning}% [0]

\begin{document}
\begin{titlepage}
\begin{tikzpicture}[overlay,remember picture,line width=5pt]
    % set a new origin [1]
    \coordinate (O) at (current page.south west);
    % gray triangle
    \fill [gray] (current page.south west) -| (current page.north east) -- cycle;
    % red line
    \draw [red] (current page.south west) -- (current page.north east);
    % white framed box
    \node at (current page.south) [%
        draw=red,
        inner sep=15pt,
        fill=white,
        above=5cm,
        font=\sffamily\bfseries\Huge
    ] {The book title};
    % red box at 0.8\pageheight
    \node (Author) at ($(O)+(0,0.8\paperheight)$) [% [2] [4]
        fill=red,
        anchor=south west,
        minimum width=\paperwidth,
        align=center,
        outer sep=0pt,
        font=\sffamily\bfseries] {Jon Doe};
    % red box at 0.75\paperheight
    \node at ($(current page.south)!0.75!(current page.north)$) [% [3]
        fill=red,
        anchor=south,
        minimum width=\paperwidth,
        align=center,
        outer sep=0pt,
        font=\sffamily] {\today};
    % red box above the author
    \node [%
        fill=red,
        above=1mm of Author,% [5]
        minimum width=\paperwidth,
        align=center,
        outer sep=0pt,
        font=\sffamily] {\TeX.SX example press};
\end{tikzpicture}
\end{titlepage}
\end{document}

封面

（编译两次即可得到正确结果）

更新
我添加了另外三种在页面上定位元素的方法

  • 将新的原点坐标设置(O)为左下角1页面并相对移动 [2] (需要calc库 [0])。
  • (point)!div!(point)使用 TikZ 使用语法 [3]来计算位置（需要calc库 [0]）。
  • 命名一个节点 [4] 并相对于它定位第二个节点 [5]（需要positioning库 [0]）。

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