First year 2nd quarter CSBN - Pictures and MS Paint


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First year 2nd quarter CSBN - Pictures and MS Paint

  1. 1. Lesson 3: Working with Images<br />Microsoft Paint<br />
  2. 2. Image – a visual representation of something that you see in real life.<br />Graphics – may refer to the process by which computer display images.<br />Image Manipulation – editing or adjusting an image’s size, shape and color settings<br />Image Programs – software used to acquire, manipulate and store digital images<br />Resampling – changing an image’s resolution<br />Vector Graphics – composed of mathematical formulas that represent images. They are not dependent on their original resolution and are flexible to be scaled in many different ways without affecting their final resolution.<br />Raster graphics – also known as “bitmapped graphics”; image information rendered as pixels.<br />Pixels – highly dependent on their original resolution<br />Meta format images – are file formats that can be used by different applications. They accommodate both vector and raster information.<br />
  3. 3. Example of Vector Graphics<br />Example of Raster Graphics<br />Example of Meta <br />Format Image<br />
  4. 4. JPEG or JPG – acronym for Joint Photographic Experts Group. A file format with a lossy compression, meaning it allows for some data loss for a smaller file size. It compresses grayscale and color information but allows for images to be displayed in 16,000,000 colors.<br />
  5. 5. GIF– acronym for Graphics Interchange Format. A file format with a lossless compression, meaning there is no data lost in the compression. GIF is preferred for images only a few colors (GIF only allows for 256 colors) like black and white images. It also supports animation.<br />
  6. 6. PNG– acronym for Portable Network Graphics. A file that takes off from the transparency capabilities of GIF, primarily developed due to GIF’s licensing requirement. It does not, however, have animation capabilities.<br />
  7. 7. TIFF– acronym for Tagged Image File Format. A file format that is a flexible bitmap image supported by many software. It is commonly recommended by professional printers since it is supported by most press machines. It has a much larger file size compared to JPEG and GIF.<br />
  8. 8. BMP– also knows as bitmap. The standard Windows file format on DOS and Windows compatible platforms. It has a loseless compression.<br />
  9. 9. Resolution - is the clarity of an image that is measured by dots per inch (dpi).<br />Scanner – piece of hardware that converts light reflected from the object being scanned and creates a digital image of the object.<br />
  10. 10. The Microsoft Paint Tools<br />Free-Form Select – select in free form<br />Color Eraser – erase a section<br />Pick Color – pick a color<br />Pencil – draw with a pencil<br />Airbrush - color with an airbrush<br />Line – draw a line<br />Rectangle – draw a rectangle<br />Ellipse – draw an ellipse<br />Select – select an image<br />Fill with Color – fill a section with color<br />Magnifier – zooms in on an image<br />Brush – color with a brush<br />Text – write a phrase<br />Curve– draw a curve<br />Polygon– draw a polygon<br />Rounded Rectangle – draw a rounded rectangle<br />