pdf2htmlEX

https://pdf2htmlex.github.io/pdf2htmlEX
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### Install pdf2htmlEX on Debian

Source: https://pdf2htmlex.github.io/pdf2htmlEX

Command to install the pdf2htmlEX package on Debian-based systems using a downloaded .deb file.

```bash
sudo apt install ./<<DownloadedDebFile>>
```

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### Set Background Image Format with pdf2htmlEX

Source: https://pdf2htmlex.github.io/pdf2htmlEX/doc/tb108wang.html

This command-line option allows users to specify the image format for backgrounds generated by pdf2htmlEX. It supports formats like JPG and PNG. The example demonstrates converting an integral.pdf file with JPEG backgrounds.

```bash
$ pdf2htmlEX --bg-format jpg integral.pdf
```

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### Convert PDF to HTML using CLI

Source: https://pdf2htmlex.github.io/pdf2htmlEX

Basic command-line usage for converting a PDF file to HTML and accessing the help documentation for available configuration options.

```bash
pdf2htmlEX /path/to/foobar.pdf

pdf2htmlEX --help
```

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### Basic PDF to HTML Conversion with pdf2htmlEX

Source: https://pdf2htmlex.github.io/pdf2htmlEX/doc/tb108wang.html

Demonstrates the basic usage of pdf2htmlEX to convert a PDF file into a single HTML file. The --fit-width option is used to control the page width in the output HTML. This is useful for creating self-contained HTML documents.

```bash
$ pdf2htmlEX --fit-width 1024 integral.pdf
```

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### Sieve of Eratosthenes implementation in JavaScript

Source: https://pdf2htmlex.github.io/pdf2htmlEX/demo/demo.html

A sample JavaScript implementation of the Sieve of Eratosthenes algorithm used to demonstrate hot loop detection and tracing in the TraceMonkey VM.

```javascript
for (var i = 2; i < 100; ++i) {
  if (!primes[i])
    continue;
  for (var k = i + i; i < 100; k += i)
    primes[k] = false;
}
```

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### TraceMonkey Intermediate Representation and x86 Compilation

Source: https://pdf2htmlex.github.io/pdf2htmlEX/demo/demo.html

This snippet demonstrates the translation of high-level loop operations into LIR (SSA form) and the subsequent compilation into x86 assembly. It highlights the use of guards and side exits to maintain program semantics while optimizing execution.

```LIR
v0 := ld state[748]
st sp[0], v0
v1 := ld state[764]
v2 := i2f(v1)
st sp[8], v1
st sp[16], 0
v3 := ld v0[4]
v4 := and v3, -4
v5 := eq v4, Array
xf v5
v6 := js_Array_set(v0, v2, false)
v7 := eq v6, 0
xt v7
```

```x86
mov edx, ebx(748)
mov edi(0), edx
mov esi, ebx(764)
mov edi(8), esi
mov edi(16), 0
mov eax, edx(4)
and eax, -4
cmp eax, Array
jne side_exit_1
sub esp, 8
push false
push esi
call js_Array_set
add esp, 8
mov ecx, ebx
test eax, eax
je side_exit_2
side_exit_1:
mov ecx, ebp(-4)
mov esp, ebp
jmp epilog
```

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### Splitting PDF Pages into Separate HTML Snippets with pdf2htmlEX

Source: https://pdf2htmlex.github.io/pdf2htmlEX/doc/tb108wang.html

Explains how to use the --split-pages option to convert each page of a PDF into a separate HTML file. This is beneficial for large documents, allowing users to download only the pages they need, similar to how web pages are typically structured.

```bash
$ pdf2htmlEX --split-pages 1 integral.pdf
```

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### Converting Specific Page Ranges with pdf2htmlEX

Source: https://pdf2htmlex.github.io/pdf2htmlEX/doc/tb108wang.html

Shows how to convert only a specific range of pages from a PDF file using the -f (first page) and -l (last page) options. This is useful when only a subset of a document needs to be converted.

```bash
$ pdf2htmlEX -f 2 -l 3 integral.pdf
```

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### Separating Resources (Fonts and Images) with pdf2htmlEX

Source: https://pdf2htmlex.github.io/pdf2htmlEX/doc/tb108wang.html

Illustrates how to configure pdf2htmlEX to store fonts and images in separate files instead of embedding them directly into the HTML. This improves efficiency for online publishing by leveraging browser caching. The --embed fi option is used for this purpose.

```bash
$ pdf2htmlEX --embed fi integral.pdf
```
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