### SDO Installation Guide Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Instructions and information regarding the installation of SDO. ```html

SDO Installation

This page details the steps and prerequisites for installing SDO.

<!-- Installation commands or procedures would go here, but are not provided in the source -->

``` -------------------------------- ### SDO Setup Guide Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Instructions on how to set up and prepare your environment for using SDO. ```html

SDO Setup

This page guides you through the setup process for SDO.

<!-- Setup instructions or code snippets would go here, but are not provided in the source -->

``` -------------------------------- ### Parle Installation Guide Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Provides instructions and information on how to install the Parle library. This is essential for setting up the project. ```html file class=normal space=compressed size=2851 read=2851 sha1=cf561bc1af02af52d6db4442e378708d56fd0d0d status=ok path=/res/parle.installation.html ``` -------------------------------- ### SDO Sample: Get/Set Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Demonstrates basic get and set operations on SDO data. ```html

SDO Sample: Get/Set

This page shows examples of getting and setting data using SDO.

<!-- Get/Set examples would go here, but are not provided in the source -->

``` -------------------------------- ### Parle Examples Overview Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Provides an overview and examples of how to use the Parle library. This is a good starting point for understanding its usage. ```html file class=normal space=compressed size=1503 read=1503 sha1=44b34b03277c02e0bd165731ad9ef700525a9d57 status=ok path=/res/parle.examples.html ``` -------------------------------- ### HTML Start Tag Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Illustrates the basic structure of an HTML start tag, including the tag name and optional attributes. ```html ``` -------------------------------- ### SHMOP Setup Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Setup instructions for SHMOP. ```html SHMOP Setup

SHMOP Setup

Instructions for setting up SHMOP.

``` -------------------------------- ### Update Info File Structure (Installer) Source: https://github.com/sumatrapdfreader/sumatrapdf/wiki/Enabling-auto-updates Example structure for the 'update-info.txt' file, detailing information for an installer build, including its URL and SHA-256 hash. This can be used alongside or instead of the 'Portable' section. ```ini [SumatraPDF] Latest 2.6 Installer [ URL: http://www.example.net/SumatraPDF-install.exe Hash 5397e57f28b86f9f8be18668e96d83a86ba813b3a43ef4e06ae1e726dd1cc236 ] ``` -------------------------------- ### Install the Project Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/freetype/CMakeLists.txt This command installs the built project. It can be prefixed with 'sudo' for system-wide installation. ```bash (sudo) cmake --build build --target install ``` -------------------------------- ### Build Python SWIG Bindings for libwebp Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/libwebp/swig/README.md Build and install the Python SWIG bindings for libwebp. This involves running the setup script with build and install commands. ```shell $ python setup.py build_ext $ python setup.py install --prefix=pylocal ``` -------------------------------- ### SDO Examples Overview Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt An overview page for various SDO examples. ```html

SDO Examples

This page serves as an entry point to different SDO examples.

<!-- Links to various SDO examples would be here, but are not provided in the source -->

``` -------------------------------- ### Session Setup Configuration Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Configuration file for session setup. ```html Session Setup

Session Setup Configuration

Details for setting up user sessions.

``` -------------------------------- ### SHMOP Installation Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Instructions for installing SHMOP. ```html SHMOP Installation

SHMOP Installation

Steps required to install SHMOP.

``` -------------------------------- ### Install HTML Documentation Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/openjpeg/doc/CMakeLists.txt This command installs the generated HTML documentation directory to the specified installation destination. It also excludes any version control directories. ```cmake install(DIRECTORY ${CMAKE_BINARY_DIR}/doc/html DESTINATION ${CMAKE_INSTALL_DOCDIR} PATTERN ".svn" EXCLUDE ) ``` -------------------------------- ### Install zlib Libraries and Headers Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/zlib-ng/CMakeLists.txt Installs the zlib target, headers, and pkg-config file based on installation skip flags. ```cmake if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL) install(TARGETS ${ZLIB_INSTALL_LIBRARIES} RUNTIME DESTINATION "${BIN_INSTALL_DIR}" ARCHIVE DESTINATION "${LIB_INSTALL_DIR}" LIBRARY DESTINATION "${LIB_INSTALL_DIR}") endif() if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL) install(FILES zlib${SUFFIX}.h DESTINATION "${INC_INSTALL_DIR}" RENAME zlib${SUFFIX}.h) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h DESTINATION "${INC_INSTALL_DIR}" RENAME zconf${SUFFIX}.h) endif() if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL) install(FILES ${ZLIB_PC} DESTINATION "${PKGCONFIG_INSTALL_DIR}") endif() ``` -------------------------------- ### Install MuPDF System Wide Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/guide/install.md Install MuPDF binaries, libraries, and headers system-wide using 'make install'. ```bash make prefix=/usr/local install ``` -------------------------------- ### Install sharpyuv Library and Headers Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/libwebp/CMakeLists.txt Configures the installation of the 'sharpyuv' library, including its headers, archives, libraries, and runtime binaries, to standard installation directories. ```cmake install( TARGETS sharpyuv EXPORT ${PROJECT_NAME}Targets PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webp/sharpyuv INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ${CMAKE_INSTALL_INCLUDEDIR}/webp ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}) ``` -------------------------------- ### SHMOP Examples Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt General examples for SHMOP usage. ```html SHMOP Examples

SHMOP Examples

Various examples illustrating SHMOP functionality.

``` -------------------------------- ### Build and Install with Autoconf Tools Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/libwebp/doc/building.md Generates the configure script, builds, and installs libwebp using autoconf tools. This process installs header files, libraries, and binaries to /usr/local. ```shell ./configure make make install ``` -------------------------------- ### Install Brotli using Vcpkg Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/brotli/README.md Use the vcpkg dependency manager to download and install the brotli library. Ensure vcpkg is bootstrapped and integrated with your system before installing. ```bash git clone https://github.com/Microsoft/vcpkg.git cd vcpkg ./bootstrap-vcpkg.sh ./vcpkg integrate install ./vcpkg install brotli ``` -------------------------------- ### SimpleXML Basic Examples Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Basic usage examples for SimpleXML. ```html SimpleXML Basic Examples

SimpleXML Basic Examples

Demonstrates fundamental SimpleXML operations.

<?php
$xmlString = "<note><to>Tove</to><from>Jani</from><heading>Reminder</heading><body>Don't forget me this weekend!</body></note>";
$xml = simplexml_load_string($xmlString);
print_r($xml);
?>

``` -------------------------------- ### Optional HTML Start Tag Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Shows an example where the start tag can be omitted if it's the first element and not preceded by a comment. The DOM remains the same. ```html Hello

Welcome to this example.

``` -------------------------------- ### Enable and Start QEMU User Static Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/zlib-ng/arch/s390/README.md Enables and starts the qemu-user-static service for x86_64 emulation. ```bash sudo systemctl enable --now qemu-user-static ``` -------------------------------- ### Run Example Swing Viewer Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/guide/using-with-java.md Build and run the example Swing viewer application. This requires navigating to the Java platform directory. ```bash make -C platform/java run ``` -------------------------------- ### SDO Basic Examples Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Illustrates fundamental usage patterns and examples for SDO. ```html

SDO Basic Examples

This page contains basic examples demonstrating SDO functionality.

<!-- Basic SDO code examples would go here, but are not provided in the source -->

``` -------------------------------- ### HTML Form with GET Submission Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Example of an HTML form that uses the GET method for submission. User input is appended to the URL as query parameters. ```html ``` -------------------------------- ### HTML Form with GET Method Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html This example demonstrates using the 'method="get"' attribute on a form to submit search queries in the URL. ```html ``` -------------------------------- ### mb_ereg_search_pos Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Gets the start and length of the current regular expression match. ```APIDOC ## mb_ereg_search_pos ### Description Gets the start and length of the current regular expression match. ### Method `mb_ereg_search_pos()` ### Parameters #### Path Parameters - None #### Query Parameters - None #### Request Body - None ### Request Example ```php mb_ereg_search_pos(); ``` ### Response #### Success Response (array) Returns an array containing the start position and length of the match, or `false` if no match is found. #### Response Example ```json { "example": [0, 5] } ``` ``` -------------------------------- ### Start Simple Viewer with HTTP Server Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/platform/wasm/examples/simple-viewer/README.md Use this command to start the HTTP server and open the simple viewer in your browser. Ensure you are in the correct directory. ```bash npx http-server ../.. -b -o examples/simple-viewer ``` -------------------------------- ### Open Document Examples Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/reference/javascript/types/Document.rst Demonstrates various ways to open documents using file names, buffers, and accelerator files. ```javascript var document1 = mupdf.Document.openDocument("my_pdf.pdf", "application/pdf") ``` ```javascript var document2 = mupdf.Document.openDocument("my_pdf.pdf", dir) ``` ```javascript var document3 = mupdf.Document.openDocument("my_pdf.pdf", acceleratorfile, dir) ``` ```javascript var document4 = mupdf.Document.openDocument(fs.readFileSync("my_pdf.pdf"), "application/pdf") ``` ```javascript var document5 = mupdf.Document.openDocument(fs.readFileSync("my_pdf.pdf"), acceleratorbuffer, "application/pdf") ``` ```javascript var document6 = mupdf.Document.openDocument(fs.readFileSync("my_pdf.pdf"), acceleratorbuffer, dir, "application/pdf") ``` -------------------------------- ### Example External Viewer Configuration (Foxit Reader) Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/docs/md/Customize-external-viewers.md An example demonstrating how to configure Foxit Reader as an external viewer. It includes the command line, display name, file filter, keyboard shortcut, and toolbar text. ```ini ExternalViewers [ [ CommandLine = "C:\Program Files\FoxitReader\FoxitReader.exe" /A page=%p "%1" Name = Foxit &Reader Filter = *.pdf Key = Ctrl + m ToolbarText = Foxit ] ] ``` -------------------------------- ### Get Annotation Line Ending Styles Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/reference/javascript/types/PDFAnnotation.rst Retrieves the line ending styles for the start and end of a line annotation. Returns an object with 'start' and 'end' string properties. ```javascript var lineEndingStyles = annotation.getLineEndingStyles() ``` -------------------------------- ### Sockets Setup HTML Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt HTML file describing the setup process for the sockets library. ```html sockets

sockets

This document describes the setup process for the sockets library.

The following are the setup steps:


1. Ensure you have PHP installed.
2. Enable the sockets extension in your php.ini file.
3. Restart your web server.

``` -------------------------------- ### Get Number of MIME Types Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Retrieves the total count of MIME types supported by the installed plugins. ```javascript window.navigator.mimeTypes.length ``` -------------------------------- ### Configure and Build zlib-ng Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/zlib-ng/README.md Use the configure script to set up the build environment, followed by make to compile and make test to run tests. Ensure you are in the zlib-ng source directory before running these commands. ```bash ./configure make make test ``` -------------------------------- ### Get Number of Components in ColorSpace Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/reference/javascript/types/ColorSpace.rst Retrieves the number of color components for a given ColorSpace. For example, DeviceRGB has 3 components. ```javascript var cs = mupdf.ColorSpace.DeviceRGB var num = cs.getNumberOfComponents() // 3 ``` -------------------------------- ### Sodium Setup HTML Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt HTML file describing the setup process for the Sodium library. ```html sodium

sodium

This document describes the setup process for the Sodium library.

The following are the setup steps:


1. Install the libsodium library.
2. Install the PHP Sodium extension.
3. Enable the sodium extension in your php.ini file.
4. Restart your web server.

``` -------------------------------- ### Get Dash Phase Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/reference/javascript/types/StrokeState.rst Retrieves the dash phase setting from a StrokeState object. This indicates the starting point within the dash pattern. ```javascript var limit = strokeState.getDashPhase() ``` -------------------------------- ### Check if Search Provider Installed Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Checks if a search provider matching the given URL is installed. Returns 0, 1, or 2 based on the match and default status. URL comparison uses a prefix match against results pages on the same domain. ```javascript installed = window.external.IsSearchProviderInstalled(url) ``` -------------------------------- ### Install libwebp using vcpkg Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/libwebp/doc/building.md Download, bootstrap, and install libwebp using the vcpkg dependency manager. This is a convenient way to manage the library and its dependencies. ```shell git clone https://github.com/Microsoft/vcpkg.git cd vcpkg ./bootstrap-vcpkg.sh ./vcpkg integrate install ./vcpkg install libwebp ``` -------------------------------- ### Start Local HTTP Server and Open Viewer Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/platform/wasm/examples/super-simple-viewer/README.md Use this command to start a local HTTP server and automatically open the super-simple-viewer in your browser. This is necessary to serve the HTML and JavaScript files for the viewer. ```bash npx http-server ../.. -b -o examples/super-simple-viewer ``` -------------------------------- ### Get Annotation Line Endpoints Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/reference/javascript/types/PDFAnnotation.rst Retrieves the start and end points of a line annotation. The points are returned as an array of two [x, y] arrays. ```javascript var line = annotation.getLine() ``` -------------------------------- ### Basic Ruby Annotation Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Demonstrates a simple ruby element with a single base character and its annotation. This is useful for basic pronunciation guides. ```html Bannotation ``` -------------------------------- ### WebVTT File Example for Nested Chapters Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html This WebVTT file demonstrates how to structure nested chapters with start and end times, and titles. It includes main chapters and their respective subchapters. ```WebVTT WEBVTT 00:00:00.000 --> 00:50:00.000 Astrophysics 00:00:00.000 --> 00:10:00.000 Introduction to Astrophysics 00:10:00.000 --> 00:45:00.000 The Solar System 00:00:00.000 --> 00:10:00.000 Coursework Description 00:50:00.000 --> 01:40:00.000 Computational Physics 00:50:00.000 --> 00:55:00.000 Introduction to Programming 00:55:00.000 --> 01:30:00.000 Data Structures 01:30:00.000 --> 01:35:00.000 Answers to Last Exam 01:35:00.000 --> 01:40:00.000 Coursework Description 01:40:00.000 --> 02:30:00.000 General Relativity 01:40:00.000 --> 02:00:00.000 Tensor Algebra 02:00:00.000 --> 02:30:00.000 The General Relativistic Field Equations ``` -------------------------------- ### img2webp Example Usage Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/libwebp/doc/tools.md An example demonstrating how to combine file and per-frame options to create an animated WebP file with specific loop count, lossy compression for one frame, and custom duration for another. ```shell img2webp -loop 2 in0.png -lossy in1.jpg -d 80 in2.tiff -o out.webp ``` -------------------------------- ### Install Python Bindings using setup.py (OpenBSD) Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/reference/cxx-and-derived-bindings.rst Build and install the Python bindings for MuPDF on OpenBSD by directly running setup.py. This is a workaround for missing libclang on PyPI. ```shell cd mupdf && setup.py install ``` -------------------------------- ### Format Brotli Code Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/brotli/python/README.md Automatically format all Python files in the brotli project using YAPF, adhering to the Google Python Style Guide. Ensure YAPF is installed first. ```bash $ pip install yapf ``` ```bash $ make fix ``` -------------------------------- ### Compile and Run JNI libwebp Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/libwebp/swig/README.md Commands to compile the Java example and run it, ensuring the native library path is correctly set. ```shell $ javac -cp libwebp.jar libwebp_jni_example.java $ java -Djava.library.path=. -cp libwebp.jar:. libwebp_jni_example ``` -------------------------------- ### Embed MuJS Interpreter Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/mujs/docs/examples.html This example shows how to create a new MuJS state, read strings from standard input, execute them, and then free the state. It's a basic setup for an interactive interpreter. ```c #include #include int main(int argc, char **argv) { char line[256]; js_State *J = js_newstate(NULL, NULL, JS_STRICT); while (fgets(line, sizeof line, stdin)) js_dostring(J, line); js_freestate(J); } ``` -------------------------------- ### Render PDF to PPM Images (C) Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/docs/cookbook/c/example.rst This example demonstrates how to render each page of a PDF document into a series of PPM images using the MuPDF C API. Ensure MuPDF is correctly installed and linked. ```c #include #include #include #include "fitz.h" #include "mupdf.h" /* * Example: render PDF to PPM images. */ int main(int argc, char **argv) { char *filename; char *path; char output_filename[256]; pdf_context *ctx; pdf_document *doc; fz_pixmap *pix; fz_matrix transform; fz_colorspace *gray; int w, h; int ppi = 72; if (argc != 3) { fprintf(stderr, "usage: %s

\n", argv[0]); return 1; } filename = argv[1]; path = argv[2]; fz_try(ctx) { ctx = pdf_new_context(NULL, NULL, FZ_STORE_UNLIMITED); doc = pdf_load_document(ctx, filename, NULL); w = pdf_bound_page(ctx, doc, 0).x1; h = pdf_bound_page(ctx, doc, 0).y1; transform = fz_scale(ppi / 72.0f, ppi / 72.0f); transform = fz_concat(transform, fz_rotate(0)); gray = fz_new_gray_colorspace(ctx); for (int i = 0; i < pdf_count_pages(ctx, doc); i++) { printf("rendering page %d\n", i); pix = pdf_new_pixmap_from_page_number(ctx, doc, i, transform, gray, 0); fz_bound_pixmap(ctx, pix, &w, &h); sprintf(output_filename, "%s/page-%d.ppm", path, i); fz_write_ppm_image(ctx, output_filename, pix); fz_drop_pixmap(ctx, pix); } fz_drop_colorspace(ctx, gray); pdf_drop_document(ctx, doc); pdf_drop_context(ctx); } fz_catch(ctx) { fprintf(stderr, "error: %s\n", fz_caught_message(ctx)); pdf_drop_context(ctx); return 1; } return 0; } ``` -------------------------------- ### Run Simple Viewer Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/platform/wasm/BUILDING.md Executes the example viewer to demonstrate using MuPDF.js in a browser with a WebWorker. ```bash npm run simple-viewer ``` -------------------------------- ### Responsive Images with Min-Width Media Queries Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html This example demonstrates using 'min-width' media queries in elements to serve progressively larger images as the viewport width increases, starting from the smallest image. ```html

``` -------------------------------- ### HTML5 Vendor Extension Attributes Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Demonstrates how to use vendor-specific attributes for experimental features in HTML. Attributes starting with 'x-' are reserved for user agents and are guaranteed not to be added to the formal HTML language. ```html

This smells of lemons!

``` -------------------------------- ### Premake Configuration Files Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/docs/md/Build-system.md Lists the relevant .lua files for Premake configuration in the project root. ```shell PS C:\Users\kjk\src\sumatrapdf> ls *.lua Mode LastWriteTime Length Name ---- ------------- ------ ---- -a---- 4/24/2020 12:20 AM 22947 premake5.files.lua -a---- 5/4/2020 7:51 PM 23565 premake5.lua ``` -------------------------------- ### Set and Get sessionStorage Data Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/gumbo-parser/benchmarks/html5_spec.html Use sessionStorage to store data specific to a single browser window. Data persists as long as the window is open. This example shows how to set a value based on a checkbox state and later check if it exists. ```html I want insurance on this trip. ``` ```javascript if (sessionStorage.insurance) { ... } ``` -------------------------------- ### Install OpenJPEG Headers Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/openjpeg/src/lib/openjp2/CMakeLists.txt Installs the openjpeg.h header file to the specified installation directory. This is part of the Headers component for installation. ```cmake install(FILES openjpeg.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${OPENJPEG_INSTALL_SUBDIR} COMPONENT Headers ) ``` -------------------------------- ### Install HarfBuzz Headers Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/ext/harfbuzz/CMakeLists.txt Installs HarfBuzz header files to the system's include directory. This is conditional on not skipping header installation and not skipping all installations. ```cmake install(FILES ${project_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/harfbuzz) if (HB_HAVE_GOBJECT) install(FILES ${hb_gobject_headers} ${hb_gobject_gen_headers} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/harfbuzz) endif () ``` -------------------------------- ### SDO Sample: Reflection Example Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Illustrates how to use reflection with SDO. ```html

SDO Sample: Reflection

This page demonstrates reflection capabilities within SDO.

<!-- Reflection examples would go here, but are not provided in the source -->

``` -------------------------------- ### eio_init Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/tests/chm-dump-all-baseline.txt Initializes the Eio library. ```APIDOC ## eio_init ### Description Initializes the Eio library. This function must be called before using any other Eio functions. ### Method N/A (Function call) ### Endpoint N/A ### Parameters * **nthreads** (int) - Required - The number of worker threads to create. * **max_parallel** (int) - Required - The maximum number of parallel requests. ### Request Example ```c eio_init(4, 100); ``` ### Response #### Success Response (int) Returns `0` on success, or a negative error code on failure. #### Response Example ```json 0 ``` ``` -------------------------------- ### Install Emscripten SDK Source: https://github.com/sumatrapdfreader/sumatrapdf/blob/master/mupdf/platform/wasm/BUILDING.md Installs and activates a specific version of the Emscripten SDK. Ensure the path matches your installation or update `tools/build.sh`. ```bash /opt/emsdk/emsdk install 4.0.8 /opt/emsdk/emsdk activate 4.0.8 ```