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Leadtools.Drawing Getting Started

Summary

The Leadtools.Drawing assembly provides support for painting/drawing to a device, painting on the surface of a LEADTOOLS image, image conversion, region conversion, etc.

.NET

.NET Core

Java/Android

JavaScript

Xamarin

iOS and macOS

.NET

Redistributables Paths

Path	Target Platform
<installdir>\Redist\DotNet4\Win32	x86 .NET 4 or 4.5
<installdir>\Redist\DotNet4\x64	x64 .NET 4 or 4.5

Dependencies

Library	Description	Dependencies
Leadtools.Drawing.dll	The Leadtools.Drawing assembly contains classes, delegates, enumerations, and structures that support painting to a device or on the surface of a LEADTOOLS image. It also has many functions to convert between different types of images and also to and from different types of region objects.	Leadtools.dll
NuGet Package	Description
Leadtools.Annotations.UI.WinForms	Annotation and Image Markup Library for WinForms
Leadtools.Annotations.UI.Wpf	Annotation and Image Markup Library for WPF
Leadtools.Barcode	Barcode Library to Detect, Read, and Write 1D and 2D Barcodes
Leadtools.Dicom.Pacs.Scp	DICOM PACS Service Class Provider Library
Leadtools.Dicom.Pacs.Scu	DICOM PACS Service Class User Library
Leadtools.Document.Sdk	Document Imaging Library
Leadtools.Document.Viewer.WinForms	Document Imaging Library for WinForms
Leadtools.Document.Viewer.Wpf	Document Imaging Library for WPF
Leadtools.Formats.Document	Document Formats Library
Leadtools.Formats.Raster.Additional	Additional Raster File Formats Library
Leadtools.Formats.Raster.Camera	Camera File Formats Library
Leadtools.Formats.Raster.Common	Common Raster File Formats Library
Leadtools.Formats.Vector	Vector Formats Library
Leadtools.HL7.Messaging	HL7 Messaging Library
Leadtools.Image.Processing	Image Processing Library
Leadtools.Jpeg2000	JPEG 2000 Library
Leadtools.Jpip	JPIP Client and Server Library
Leadtools.Medical.Viewer.WinForms	Medical Viewer Library for WinForms
Leadtools.Ocr	OCR Library
Leadtools.Ocr.Languages.Additional	OCR Library plus Additional Languages
Leadtools.Ocr.Languages.Asian	OCR Library plus Additional Asian Languages
Leadtools.Pdf	PDF Library
Leadtools.Twain	Enhanced TWAIN Library
Leadtools.Viewer.Controls.WinForms	Image Viewer Controls for WinForms
Leadtools.Viewer.Controls.Wpf	Viewer Controls for WPF
Leadtools.Wia	WIA Library

Sample Programs

Name	Path	Description
Draw Demo	\Examples\Main\DotNet\DrawDemo	Demonstrates using RasterImage object as a drawing surface. Gets a drawing surface for the LEADTOOLS RasterImage object. Draws graphic objects on the RasterImage object. Saves the updated image.
Main Demo	\Examples\Main\DotNet\MainDemo	Demonstrates many of the basic and advanced core features of LEADTOOLS. Load and save all formats supported by LEADTOOLS Display (scroll/zoom) images with options, including Animation Apply Image Processing Capture images from the screen Acquire images from TWAIN and WIA scanners Print images Copy/paste images to and from the clipboard
Paint While Load Demo	\Examples\Main\DotNet\PaintWhileLoadDemo	Demonstrates painting an image to the screen while loading/decoding. Simulates receiving an image file over a slow connection. Paints the image in chunks, as it is loaded/decoded.
Print Preview Demo	\Examples\Main\DotNet\PrintPreviewDemo	Demonstrates implementing image print preview support using LEADTOOLS.
Main Demo (WPF)	\Examples\Main\DotNet\WPFMainDemo	Demonstrates many of the basic and advanced core features of LEADTOOLS WPF. Load and save all formats supported by LEADTOOLS Display (scroll/zoom) images with options Apply Image Processing

Additional Related Namespaces

Assembly - Class/Namespace	Comments
Leadtools. DLL - Leadtools	The Leadtools namespace provides libraries with properties, methods, events, structures and interfaces for building applications with LEADTOOLS SDKs. It is required in all applications.
Leadtools. Converters.DLL - Leadtools.Converters	The Leadtools.Converters namespace provides for interoperation between a LEADTOOLS image (Leadtools.RasterImage) and various other types of images from different environments.
Leadtools. Documents.Converters.DLL - Leadtools.Document.Converter	The Leadtools.Document.Converter namespace can be used to create powerful, automated document conversion, archival and delivery systems for .NET (C# & VB).
Leadtools. Forms.DocumentWriters.DLL - Leadtools.Document.Writer	The Leadtools.Document.Writer namespace provides programming tools for creating popular multipage and searchable documents such as Adobe PDF, Microsoft Word and HTML from Scalable Vector Objects (SVG), standard Windows Enhanced Meta File (EMF) and raster image objects.
Leadtools. Svg.DLL - Leadtools.Svg	The Leadtools.Svg namespace can be used to add vector loading, editing, saving, converting and display functionality to applications.

.NET Core

Sample Programs

Name	Path	Description
ASP.NET Controller Demo	\Examples\Main\DotNetCore\AspNetControllerDemo	Demonstrates using the LEADTOOLS .NET Core NuGet packages to create an ASP.NET RESTful service and showcases how to use LEADTOOLS within a .NET Core Web API environment. Has three controller endpoints showcasing different LEADTOOLS engines: /Barcode/RecognizeBarcodes /Convert/ConvertImage /Ocr/GetText You can use the following sample urls to test: /Barcode/RecognizeBarcodes?uri=https://demo.leadtools.com/images/tiff/barcode1.tif /Convert/ConvertImage?uri=https://demo.leadtools.com/images/pdf/leadtools.pdf /Ocr/GetText?uri=https://demo.leadtools.com/images/tiff/ocr1.tif

Name

Path

Description

ASP.NET Controller Demo

\Examples\Main\DotNetCore\AspNetControllerDemo

Demonstrates using the LEADTOOLS .NET Core NuGet packages to create an ASP.NET RESTful service and showcases how to use LEADTOOLS within a .NET Core Web API environment.

Has three controller endpoints showcasing different LEADTOOLS engines:

/Barcode/RecognizeBarcodes

/Convert/ConvertImage

/Ocr/GetText

You can use the following sample urls to test:

/Barcode/RecognizeBarcodes?uri=https://demo.leadtools.com/images/tiff/barcode1.tif

/Convert/ConvertImage?uri=https://demo.leadtools.com/images/pdf/leadtools.pdf

/Ocr/GetText?uri=https://demo.leadtools.com/images/tiff/ocr1.tif

Java/Android

Redistributables Paths

Path	Target Platform
<installdir>\Bin\Android\x86_64 (Android)	x86_64 Android
<installdir>\Bin\Android\x86 (Android)	x86 Android
<installdir>\Bin\Android\arm64-v8a (Android)	arm64-v8a Android
<installdir>\Bin\Android\armeabi-v7a (Android)	armeabi-v7a Android
<installdir>\Bin\Android\armeabi (Android)	armeabi Android
<installdir>\Bin\CDLLVC10\Win32 (Windows)	x86 Windows
<installdir>\Bin\CDLLVC10\x64 (Windows)	x64 Windows
<installdir>\Bin\Lib\x86 (Linux)	x86 Linux
<installdir>\Bin\Lib\x64 (Linux)	x64 Linux

Dependencies

Library	Description	Jars	Native Libraries
leadtools.drawing.jar	The Leadtools.Drawing assembly supports painting to a device or on the surface of a LEADTOOLS image. It also has many functions to convert between different types of images and also to and from different types of region objects.	leadtools.jar	Android libleadtools.drawing.so libleadtools.so Linux libltdrw.dll libltkrn.dll Windows Ltdrwu.dll Ltdrwx.dll Ltkrnu.dll Ltkrnx.dll

Library

Description

Jars

Native Libraries

leadtools.drawing.jar

The Leadtools.Drawing assembly supports painting to a device or on the surface of a LEADTOOLS image. It also has many functions to convert between different types of images and also to and from different types of region objects.

leadtools.jar

Android

libleadtools.drawing.so

libleadtools.so

Linux

libltdrw.dll

libltkrn.dll

Windows

Ltdrwu.dll

Ltdrwx.dll

Ltkrnu.dll

Ltkrnx.dll

Sample Programs

Name	Path	Description
LeadtoolsDemos (Android)	\Examples\Main\Android\LeadtoolsDemos
Main Demo (Java)	\Examples\Main\Java\MainDemo	Demonstrates the basic and core features of LEADTOOLS. Load and save all formats supported by LEADTOOLS Apply Image Processing

Name

Path

Description

LeadtoolsDemos (Android)

\Examples\Main\Android\LeadtoolsDemos

Main Demo (Java)

\Examples\Main\Java\MainDemo

Demonstrates the basic and core features of LEADTOOLS.

Load and save all formats supported by LEADTOOLS
Apply Image Processing

JavaScript

Sample Programs

Name	Path	Description
Annotations.JavaScript	\Examples\Main\JS\DemoLibraries\Annotations.JavaScript
Annotations.UserMedicalPack	\Examples\Main\JS\DemoLibraries\Annotations.UserMedicalPack
Demos	\Examples\Main\JS\DemoLibraries\Demos
Demos.Annotations	\Examples\Main\JS\DemoLibraries\Demos.Annotations
Demos.Basic	\Examples\Main\JS\DemoLibraries\Demos.Basic
Demos.Styles	\Examples\Main\JS\DemoLibraries\Demos.Styles
DemoServices	\Examples\Main\JS\DemoServices
	\Examples\Main\JS\DemoServices\core
	\Examples\Main\JS\DemoServices\fx
LeadtoolsServicesHostManager	\Examples\Main\JS\LeadtoolsServicesHostManager

Leadtools.Drawing Getting Started

Summary

.NET

Redistributables Paths

Dependencies

Sample Programs

Additional Related Namespaces

.NET Core

Sample Programs

Java/Android

Redistributables Paths

Dependencies

Sample Programs

JavaScript

Sample Programs

Xamarin

Sample Programs

iOS and macOS

Sample Programs

See Also

Reference

Version History

Name	Path	Description
C Application	\Examples\Main\Xcode\iOS\Objective-C\C Application
	\Examples\Main\Xcode\iOS\Swift\C Application