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Using macros<br />
Macros and Batch Processing 183<br />
Macros (see p. 175) can be applied to a batch process easily. Click the Use Macro<br />
check box and pick a category and macro name. <strong>PhotoPlus</strong> doesn’t differentiate<br />
between pre-recorded and recorded macros. If available, they are selected from the<br />
same Category and Macro drop-down menus equally.<br />
Changing file formats<br />
It is possible to convert your photos into one of many different file formats<br />
available in <strong>PhotoPlus</strong>. In addition, conversion options such as bit depth, palette,<br />
dithering, compression/quality, and matte can be selected depending on the file<br />
type.<br />
Changing image size<br />
File conversions can be carried out<br />
independently or in conjunction with<br />
macros (the dialogs shown opposite<br />
apply to a Greyscale macro applied to<br />
all images in c:\Photos2156, with<br />
conversion of each image to 24-bit<br />
PNG format.<br />
As well as changing file formats, <strong>PhotoPlus</strong> can use batch processing to alter image<br />
sizes in bulk. Typically, this is a quick and easy way to make your images scale to a<br />
maximum image dimension (height or width) with aspect ratio maintained, to<br />
absolute image dimensions (with stretching/shrinking to fit), scale by percentage,<br />
and scale by resolution (DPI). Lanczos3 Window is used as the resampling<br />
method. Use for sending your digital photos via email or perhaps to publish your<br />
images online via a web site.<br />
Check Maintain aspect ratio then enter<br />
values for Max Width and Max Height to<br />
scale to maximum intended dimensions<br />
while preserving the image's original<br />
aspect ratio.