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-rw-r--r--USE.md40
1 files changed, 29 insertions, 11 deletions
diff --git a/USE.md b/USE.md
index 3e4cb3f..7b179ac 100644
--- a/USE.md
+++ b/USE.md
@@ -9,7 +9,9 @@ e.g. using "direct print" from a USB dongle
on a Brother HL-4040CN Laser printer.
A workaround is to [downgrade](#Downgrade) to PDF 1.2 like this:
- ps2pdf12 infile outfile
+```shell
+ps2pdf12 infile outfile
+```
## Unsupported PDF data
@@ -21,11 +23,15 @@ e.g. using "direct print" from a USB dongle
on a Brother HL-4040CN Laser printer.
A workaround is to [refry](#Refry) like this:
- pdf2ps infile - | ps2pdf12 - outfile
+```shell
+pdf2ps infile - | ps2pdf12 - outfile
+```
or using this custom wrapper, where available:
- localpdf2ps2pdf infile
+```shell
+localpdf2ps2pdf infile
+```
If the above fails to work,
then try replace `pdf2ps`
@@ -80,12 +86,16 @@ is technically a page with a /MediaBox of approx. [595 x 842 pt][page_dimensions
Resolve all boxes (computing from defaults any omitted ones):
- pdfinfo -box -l -1 input.pdf
+```shell
+pdfinfo -box -l -1 input.pdf
+```
Extract MediaBox:
- gs -dQUIET -dNODISPLAY -dNOSAFER -sFileName=input.pdf \
- -c "FileName (r) file runpdfbegin 1 1 pdfpagecount {pdfgetpage /MediaBox get {=print ( ) print} forall (\n) print} for quit"
+```shell
+gs -dQUIET -dNODISPLAY -dNOSAFER -sFileName=input.pdf \
+-c "FileName (r) file runpdfbegin 1 1 pdfpagecount {pdfgetpage /MediaBox get {=print ( ) print} forall (\n) print} for quit"
+```
To check if other boxes exist,
replace `/MediaBox` with e.g. `/CropBox` in above command,
@@ -100,7 +110,9 @@ TODO: Add section on cropping, based on <https://stackoverflow.com/a/10418720/18
Compute BoundingBox for each page individually (*not* across them all):
- gs -q -dBATCH -dNOPAUSE -sDEVICE=bbox -dLastPage=1 input.pdf 2>&1 | grep %%BoundingBox
+```shell
+gs -q -dBATCH -dNOPAUSE -sDEVICE=bbox -dLastPage=1 input.pdf 2>&1 | grep %%BoundingBox
+```
Source: <https://stackoverflow.com/a/52644056>
@@ -137,7 +149,9 @@ While the main purpose of plakativ is to not only resize
but also slice onto multiple smaller tiles,
one of its features is easy scaling by area.
- plakativ --factor=0.5 --size=250mmx337mm --output=output.pdf input.pdf
+```shell
+plakativ --factor=0.5 --size=250mmx337mm --output=output.pdf input.pdf
+```
### using Ghostscript with fitPage
@@ -154,7 +168,9 @@ Example command,
resizing from A3+ to A4
(source width 910.24 and height 1258.9 as reported by `pdfinfo`):
- gs -o output.pdf -sDEVICE=pdfwrite -dDEVICEWIDTHPOINTS=643.60333 -dDEVICEHEIGHTPOINTS=890.131 -dFIXEDMEDIA -dFitPage -dCompatibilityLevel=1.4 input.pdf
+```shell
+gs -o output.pdf -sDEVICE=pdfwrite -dDEVICEWIDTHPOINTS=643.60333 -dDEVICEHEIGHTPOINTS=890.131 -dFIXEDMEDIA -dFitPage -dCompatibilityLevel=1.4 input.pdf
+```
TODO: maybe options `-dDEVICEWIDTHPOINTS` and `-dDEVICEHEIGHTPOINTS` can be shortened as `-dDEVICEWIDTH` and `-dDEVICEHEIGHT`
@@ -169,8 +185,10 @@ Example command,
resizing from A4 to printable-area-A4
(i.e. a dumb printer always auto-resizing to fit):
- gs -o output.pdf -sDEVICE=pdfwrite -dDEVICEWIDTHPOINTS=595 -dDEVICEHEIGHTPOINTS=842 -dFIXEDMEDIA -dCompatibilityLevel=1.4 \
- -f input.pdf -c "<</EndPage {0 eq {[/CropBox [0 0 567 802] /PAGE pdfmark true}{false}ifelse}>> setpagedevice"
+```shell
+gs -o output.pdf -sDEVICE=pdfwrite -dDEVICEWIDTHPOINTS=595 -dDEVICEHEIGHTPOINTS=842 -dFIXEDMEDIA -dCompatibilityLevel=1.4 \
+-f input.pdf -c "<</EndPage {0 eq {[/CropBox [0 0 567 802] /PAGE pdfmark true}{false}ifelse}>> setpagedevice"
+```
NB! It is important to list option `-f` before `-c`,
to ensure that any `CropBox` marks in file is [overridden] by the command.