Tutorial for JavaScript Programmers

The following topics provide brief and simple examples to help you learn how to use the LEADTOOLS COM Objects.

Note:

These tutorial examples are intended to be easy to understand and easy to test. The example programs in the EXAMPLES subdirectory provide more in depth design and more detailed code.

Loading and Displaying an Image

Zooming Out and Zooming In

Dynamically Positioning the Control

Zooming In on a Selection

Outlining, Dragging, and Pasting a Region

Creating and Using Annotations

Printing Multiple Images

Writing and Reading Multipage Files

Drawing Simple Lines and Shapes

Cropping a Bitmap

Updating a Gauge and Detecting a User Interrupt

Using a PanWindow

Using Transparent Controls

Using Imaging Common Dialog

Creating, Viewing, and Merging Color Separations

Adding a Color Resolution Dialog

Cropping a Bitmap 2 (JavaScript)

Combining Images with Regions (JavaScript)