Programming Guide - Actian

Chapter 9: Working with Images and TextStringsThis section contains the following topics:How You Can Work with Images (see page 277)How You Can Work with Text Strings (see page 287)This chapter describes how to use images and text strings in an OpenROADapplication.The first section, How You Can Work with Images (see page 277), covers thefollowing topics:• Using image fields, image trim, and palette fields• The BitmapObject class and how to use it to store images• The ImageField object and how to use it to display bitmap imagesThe second section, How You Can Work with Text Strings (see page 287),includes the following topics:• Storing strings in files and in a database• Displaying strings from a database• Updating strings in a database• Deleting strings from a database• Creating a string storage tableHow You Can Work with ImagesOpenROAD lets you display two-color (monochrome) or full-color bitmapimages using the following field objects:• Image fields• Image trim• Palette fieldsThe following sections describe these field types.Working with Images and Text Strings 277