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More HTML manual fixes

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John Whitington 2024-12-07 16:30:16 +00:00
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cpdfmanual.pdf
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cpdfmanual.tex
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@ -5081,7 +5081,11 @@ We can draw on an existing PDF (or a new one created with \texttt{-create-pdf} f
\noindent Now we have a filled triangle: \noindent Now we have a filled triangle:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/fill.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/fill.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/fill.pdf}}
\fi
\bigskip \bigskip
\noindent The operations \texttt{-filleo}, \texttt{-strokefill} and \texttt{-strokefilleo} provide alternative combinations of stroke, fill, and winding rule. \noindent The operations \texttt{-filleo}, \texttt{-strokefill} and \texttt{-strokefilleo} provide alternative combinations of stroke, fill, and winding rule.
@ -5103,7 +5107,11 @@ We can save time when drawing rectangles by using the \texttt{-rect} operation,
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/bez.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/bez.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/bez.pdf}}
\fi
\bigskip \bigskip
\noindent The operation \texttt{-bez23} is a shorthand used when the first control point is equal to the current point. The operation \texttt{-bez13} is a shorthand used when the second control point is equal to the final point. \noindent The operation \texttt{-bez23} is a shorthand used when the first control point is equal to the current point. The operation \texttt{-bez13} is a shorthand used when the second control point is equal to the final point.
@ -5131,7 +5139,11 @@ To avoid calculating the Bezier curves for a circle manually, Cpdf can generate
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/clip.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/clip.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/clip.pdf}}
\fi
\bigskip \bigskip
\section{Path parameters} \section{Path parameters}
@ -5155,7 +5167,11 @@ We can set stroke and fill colours for our paths, either as greyscale (one compo
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/colfill.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/colfill.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/colfill.pdf}}
\fi
\bigskip \bigskip
\noindent We can set line caps and joins with \texttt{-cap}, \texttt{-join}: \noindent We can set line caps and joins with \texttt{-cap}, \texttt{-join}:
@ -5170,7 +5186,11 @@ We can set stroke and fill colours for our paths, either as greyscale (one compo
\noindent Then we see: \noindent Then we see:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/capjoins.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/capjoins.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/capjoins.pdf}}
\fi
\bigskip \bigskip
\noindent The miter limit (see PDF reference for details) may be set with \texttt{-miter}. \noindent The miter limit (see PDF reference for details) may be set with \texttt{-miter}.
@ -5186,7 +5206,11 @@ Lines may have dash patterns. A dash pattern consists of one or more numbers. Al
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/dash.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/dash.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/dash.pdf}}
\fi
\bigskip \bigskip
\section{The graphics stack and matrices} \section{The graphics stack and matrices}
@ -5212,7 +5236,11 @@ PDF maintains a stack of graphics state, which we can manipulate with \texttt{-p
\noindent When we use \texttt{-pop} the colour returns to the saved one: \noindent When we use \texttt{-pop} the colour returns to the saved one:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/pop.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/pop.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/pop.pdf}}
\fi
\bigskip \bigskip
\noindent One very common use for a \texttt{-push}/\texttt{-pop} pair is to isolate the effects of an operation which modifies the current transformation matrix. These operations are used to translate, rotate, scale and so on. For example: \noindent One very common use for a \texttt{-push}/\texttt{-pop} pair is to isolate the effects of an operation which modifies the current transformation matrix. These operations are used to translate, rotate, scale and so on. For example:
@ -5226,7 +5254,11 @@ PDF maintains a stack of graphics state, which we can manipulate with \texttt{-p
\noindent This is the result. See how the graphics transformation is undone when \texttt{-push} is invoked: \noindent This is the result. See how the graphics transformation is undone when \texttt{-push} is invoked:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/matrix.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/matrix.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/matrix.pdf}}
\fi
\bigskip \bigskip
\noindent This is important because, in the absence of \texttt{-push} and \texttt{-pop} there would be no way to reverse the effect of a graphics matrix modification except to manually calculate its inverse and apply it. \noindent This is important because, in the absence of \texttt{-push} and \texttt{-pop} there would be no way to reverse the effect of a graphics matrix modification except to manually calculate its inverse and apply it.
@ -5254,7 +5286,11 @@ In our examples, we have sometimes had to write the same operations multiple tim
\noindent Note that we must specify a bounding box for the XObject with \texttt{-xobj-bbox}. Here is the result: \noindent Note that we must specify a bounding box for the XObject with \texttt{-xobj-bbox}. Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/xobj.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/xobj.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/xobj.pdf}}
\fi
\bigskip \bigskip
\noindent XObjects may be nested. \noindent XObjects may be nested.
@ -5276,7 +5312,11 @@ We can include a 24bit non-transparent and non-interlaced PNG, or any JPEG by us
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/png.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/png.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/png.pdf}}
\fi
\bigskip \bigskip
\noindent You can see we had to scale by the width and height of the image to draw it at the size we expect. \noindent You can see we had to scale by the width and height of the image to draw it at the size we expect.
@ -5298,7 +5338,11 @@ We can set fill and stroke transparencies, between 0 (fully transparent) and 1 (
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/trans.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/trans.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/trans.pdf}}
\fi
\bigskip \bigskip
\noindent Notice that we used \texttt{-fill} twice, to ensure each circle was in a different path. If they had been part of the same path, the effect would be different. \noindent Notice that we used \texttt{-fill} twice, to ensure each circle was in a different path. If they had been part of the same path, the effect would be different.
@ -5331,7 +5375,11 @@ We can draw text in a \textit{text section}, which must start with \texttt{-bt}
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/text.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/text.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/text.pdf}}
\fi
\bigskip \bigskip
\noindent If we use \texttt{-stext} instead of \texttt{-text} the usual special values from Chapter 8 (with the exception of URL links) may be used: \noindent If we use \texttt{-stext} instead of \texttt{-text} the usual special values from Chapter 8 (with the exception of URL links) may be used:
@ -5344,7 +5392,11 @@ We can draw text in a \textit{text section}, which must start with \texttt{-bt}
\noindent Now we see: \noindent Now we see:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/stext.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/stext.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/stext.pdf}}
\fi
\bigskip \bigskip
\noindent We can use \texttt{-text} multiple times, interspersing operators which change the text state, such as font and font size: \noindent We can use \texttt{-text} multiple times, interspersing operators which change the text state, such as font and font size:
@ -5358,7 +5410,11 @@ We can draw text in a \textit{text section}, which must start with \texttt{-bt}
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/fonts.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/fonts.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/fonts.pdf}}
\fi
\bigskip \bigskip
\noindent We can alter the character space, word space, horizontal scaling (100 = no scaling, less than 100 shrink, more than 100 stretch), and text rise: \noindent We can alter the character space, word space, horizontal scaling (100 = no scaling, less than 100 shrink, more than 100 stretch), and text rise:
@ -5373,7 +5429,11 @@ We can draw text in a \textit{text section}, which must start with \texttt{-bt}
\noindent Now we see: \noindent Now we see:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/fontparams.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/fontparams.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/fontparams.pdf}}
\fi
\bigskip \bigskip
\noindent Text may appear on multiple lines. We set up the line spacing with \texttt{-leading} then make new lines with \texttt{-nl}: \noindent Text may appear on multiple lines. We set up the line spacing with \texttt{-leading} then make new lines with \texttt{-nl}:
@ -5387,7 +5447,11 @@ We can draw text in a \textit{text section}, which must start with \texttt{-bt}
\noindent Now we have: \noindent Now we have:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/lines.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/lines.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/lines.pdf}}
\fi
\bigskip \bigskip
\noindent When composing text, we may need to find the width of a piece of text to see where to break it, or for right alignment. We can use \texttt{-text-width} for this: \noindent When composing text, we may need to find the width of a piece of text to see where to break it, or for right alignment. We can use \texttt{-text-width} for this:
@ -5409,7 +5473,11 @@ We can change the text rendering mode to show outline text or, in this example,
\noindent Here is the result: \noindent Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/textclip.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/textclip.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/textclip.pdf}}
\fi
\bigskip \bigskip
@ -5448,7 +5516,11 @@ We can add a paragraph of text of a given width and justification (Left, Right,
\noindent Notice the paragraph specification \texttt{L200pt=} for left justified, 200pt-wide at the beginning of the string. Notice also we must give a value for \texttt{-leading}. Here is the result: \noindent Notice the paragraph specification \texttt{L200pt=} for left justified, 200pt-wide at the beginning of the string. Notice also we must give a value for \texttt{-leading}. Here is the result:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/para.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/para.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/para.pdf}}
\fi
\bigskip \bigskip
\noindent Multiple paragraphs with optional indenting may be laid out with \texttt{-paras}: \noindent Multiple paragraphs with optional indenting may be laid out with \texttt{-paras}:
@ -5466,7 +5538,11 @@ We can add a paragraph of text of a given width and justification (Left, Right,
\noindent \noindent
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/paras.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/paras.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/paras.pdf}}
\fi
\bigskip \bigskip
\noindent Note that there is no automatic typesetting over multiple pages with \texttt{-paras}. \noindent Note that there is no automatic typesetting over multiple pages with \texttt{-paras}.
@ -5524,7 +5600,11 @@ There are two types of tag we can add manually. One kind is used to tag individu
\noindent We turned off auto-tagging with \texttt{-no-auto-tag}, then used \texttt{-tag H1} and \texttt{-end-tag} to tag the heading. Then we turned auto-tagging back on with \texttt{-auto-tag}. Here is the result, visually: \noindent We turned off auto-tagging with \texttt{-no-auto-tag}, then used \texttt{-tag H1} and \texttt{-end-tag} to tag the heading. Then we turned auto-tagging back on with \texttt{-auto-tag}. Here is the result, visually:
\bigskip \bigskip
\ifdefined\HCode
\fbox{\includegraphics[natwidth=298,natheight=421]{manualimages/h1.pdf}}
\else
\fbox{\includegraphics[width=0.3\textwidth]{manualimages/h1.pdf}} \fbox{\includegraphics[width=0.3\textwidth]{manualimages/h1.pdf}}
\fi
\bigskip \bigskip
\noindent And here is the structure tree: \noindent And here is the structure tree:

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html_manual/go
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@ -5,3 +5,4 @@ mkdir ../camlpdf
cp ../../camlpdf/Changes ../camlpdf/Changes cp ../../camlpdf/Changes ../camlpdf/Changes
TEXINTUTS=..:$TEXINPUTS htlatex ../cpdfmanual "html,2" TEXINTUTS=..:$TEXINPUTS htlatex ../cpdfmanual "html,2"
sed -i '' 's/.framedenv{border: 1px solid black;}/.framedenv{border: 1px solid black; padding: 8px}/g' cpdfmanual.css sed -i '' 's/.framedenv{border: 1px solid black;}/.framedenv{border: 1px solid black; padding: 8px}/g' cpdfmanual.css
LCTYPE=C LANG=C sed -i '' 's/__/\ \ /g' *.html