如何使用 \includegraphics 抑制 PDF 的透明度

2024-5-23 • tag-icon

$如何使用 \includegraphics 抑制 PDF 的透明度$

我使用在我的文档中有多个 PDF 浮动\includegraphics。结果发现这些 PDF 具有透明背景，并且其中一个与页码重叠，看起来很糟糕。

（我最初希望隐藏页码，但结果却出奇地困难，解决方案这里没有帮助。）

反而，是否有选项可以抑制 PDF 透明度（以便阻止查看页码）？等价地，有没有选项可以为图片添加白色背景颜色？

梅威瑟：

\documentclass[11pt]{article}
\usepackage[a4paper]{geometry}
\usepackage[]{garamondx}
\usepackage[scaled=.84]{beramono}
\usepackage{amsmath,amsthm,amssymb}
\usepackage[garamondx,cmbraces]{newtxmath}
\useosfI
\usepackage[utf8x]{inputenx}
\usepackage{microtype}
\usepackage{subfig}
\usepackage{graphicx}

\begin{document}

Lorem ipsum dolor sit amet.

\begin{figure}
\centering
\subfloat[\label{fig:disttime1}A specific solution with no attempt at generality.]{\includegraphics[scale=0.7, trim={4cm 7cm 1cm 0}, clip]{disttime1.pdf}}\\
\caption{Students' responses to a challenging proof problem.}
\label{fig:disttime}
\end{figure}

\begin{figure}
\ContinuedFloat%
\centering%
\vspace{-1.5cm}%
\subfloat[\label{fig:disttime2}This student has hit on the idea of the lines crossing, but strictly speaking at the point he has identified the person would be $6\ \mathrm{km}$ \emph{up} the hill one day and $6\ \mathrm{km}$ \emph{down} the hill the other.]{\includegraphics[scale=0.7, trim={5.5cm 16cm 0cm 2cm}, clip]{disttime2.pdf}}\\
\subfloat[\label{fig:disttime3}This student has understood the generality required, but has not attempted to justify the universal claim.]{\includegraphics[scale=0.7, trim={3cm 7.5cm 0.5cm 3cm}, clip]{disttime3.pdf}}
\caption{(con't) Students' responses to a challenging proof problem.}
\end{figure}

\end{document}