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Category: Desktop

mac windows and linux

PDFDocument Improvements

While PDFTable and PDFDataTableSource ease the way to render tables in your PDF documents on Desktop, Web, Raspberry Pi and Console projects (iOS to come!) and are the big new features for PDFDocument in Xojo 2022r3, that’s not all that improved. There are additional features added to PDFDocument you might find helpful such as more control while using PDFForm and improvements to dealing with TOC indexes. Learn more about how to get advantage of these additions!

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Using Emojis in Xojo

Xojo has very good graphics support. You can drop images into your project and use them with several controls. You can use the various Paint events to draw your own graphics. And there’s another source of graphics you may not have considered: emojis. Emojis can be used anywhere that text can be used because they are simply Unicode characters. That means they can be used in textfields, buttons, labels, popup menus, listboxes and more.

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Rotate that Picture!

Sometimes we need to rotate a Picture from portrait to landscape and vice versa. Since the introduction of the Graphics methods Translate and Rotate this is pretty simple to do! Continue reading and I will show you how to create a Method Extension for the Picture class that will be able to do that. This will work on Desktop and iOS projects by only copying and pasting the code, but you will need to make some changes to the example project for the Web version because of the need to convert Picture to WebPicture and back.

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Graphics: Right and Center Aligned Text

The DrawText method from the Graphics class offers a simple way to left-align text at the given X and Y coordinates, even applying a wrap value to wrap every line of the text block at the provided width value. Wouldn’t it be great to be able to do the same thing while aligning blocks of text to the right and center? Continue reading and I will show you a technique you can use as the starting point which you can fine-tune to your specific needs.

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Conway’s Game of Life

The Game of Life, also known simply as Life, is a cellular automaton devised by the British mathematician John Horton Conway in 1970. You’ve probably seen this around in some form or another, but I ran across it again recently and thought it would be fun to implement in Xojo.

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