TPictPrev is a component to display images. The images can be loaded / saved from / in files and from / in strames. This way it can be used also for Database operations (loading / saving the images from / into BlobStreams). It also allows you to Acquire images from your scanner (or any other TWAIN device). Supported image formats: BMP, JPG and GIF. The component has internal functions to increase/decrease brightness and contrast, zoom the image, copy/paste from clipboard, crop portion of image using your mouse. All these functions are executed by pressing the different buttons of the component's GUI. There are several methods to load / save / acquire an imge. Once the image is loaded, it is automatically displayed in the component's GUI. From this moment, the component's buttons become enabled, and the user can modify the brightness, contrast, zoom factor of the image. All these functions are implemented in the TPictPreview component.