Using Paint.net Skills: change view, rotate, select a portion of, crop, resize, change contrast, filter an image, undo an operation IT concepts: pixel,

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Presentation transcript:

Using Paint.net Skills: change view, rotate, select a portion of, crop, resize, change contrast, filter an image, undo an operation IT concepts: pixel, image processing operation This work is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 License.

Image processing in context Internet concepts –Applications –Technology –Implications for Individuals Organizations Society Internet skills –Application development –Content creation Text Images Audio Video

Using Paint.net

Paint.net screen layout Open images Current image Tools Status line Command menus Tutorials: Community:

Purpose of selected tools Select a rectangular area Add text to the image Draw a rectangle What do each of the others do? Windows > Tools

Status line: describes the selected tool Tool description with a help hintImage size Cursor location (0, 0 is the upper left hand corner) Status line for the Rectangular Selection tool: You use the Rectangular Selection tool in cropping an image. You can also move, copy, and modify selected areas.

Tip: watch the status line These change as you make the selection. You can adjust selections one pixel at a time using the arrow keys. The status line changes while you are making a selection:

Rotate an image Image > Rotate

View menu Changing the view does not alter the image, just what you see while working on it.

Adjusting contrast Adjustments > Brightness/contrast

Immediate feedback – high contrast

Immediate feedback – low contrast

Experiment – you can undo everything Paint.net keeps a complete history of every thing you do, and you can undo it one step at a time by typing control-z. The history window displays every step you have taken, and you can use it to immediately revert the image to any earlier point. Window > History

Apply the ink sketch effect Effects > Artistic > Ink sketch

Resize an image Image > Resize If you check Maintain aspect ratio, changing either the width or height automatically adjusts the other.

Resizing without maintaining the aspect ratio

We need new ending slides – lets have a contest