ImageGear Professional v18 for Mac
Getting and Setting a Rectangular Area of Pixels

Use IG_DIB_area_get() and IG_DIB_area_set() functions for getting and setting the values of a rectangular area of an image.

Use IG_DIB_area_size_get to get the size of the array for storing a rectangular area of pixels.

All pixel access functions consider the coordinates 0,0 as the upper left-hand corner of the bitmap data.

These functions take into account the current pixel access mode (new or legacy). See Pixel Access Modes for more details.

 

 


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