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ImageGear is equipped with several functions that let you get and set the values of individual pixels, rows or columns of pixels, and rectangular groups of pixels. This family of functions is referred to as the "pixel access" functions.

All functions include the acronym "DIB" in their names. Every pixel access function is part of a "_get()/_set()" pair of functions. In other words, for each pixel access type, you can obtain the value(s) of a pixel or group of pixels, and set the value(s) of a pixel or group of pixels.

To obtain descriptions of each pixel access function and view additional sample code, refer to the Core Component API Function Reference.

This section provides information about the following:

• Pixel Access Modes
• Allocating Space for ImageGear Pixel Access
• Getting and Setting Individual Pixels
• Getting and Setting Linear Groups of Pixels
• Getting and Setting a Rectangular Area of Pixels
• Filling DIB Area

 

 

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