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chapter 5
Images in Dreamweaver and Fireworks vocab
| Term | Definition |
|---|---|
| Alternative text | Text added to an image that a voice synthesizer "reads" in place of the image. |
| Behavior | How a symbol interacts with the user |
| Bitmap graphic | A graphic based on rows and columns of tiny squares |
| Button | An element that indicates to the user that it is a graphic hyperlink by its appearance |
| Canvas | In Fireworks, the rectangular area in which an image is created and edited |
| Compression | A file format feature that reduces file size |
| Crop | To trim away areas of an image that are no longer needed |
| Dots per inch(dpi) | The number of pixels in an inch |
| Down state | The button state when a button is clicked |
| GIF | A file format best used with graphics that do not contain many colors, such as clip art or logos |
| Hotspot | An invisible, defined area on a graphic that is a hyperlink |
| Image map | A graphic that contains one or more hotspots |
| Instance | A copy of a symbol |
| Interlaced | A GIF file format feature in which a low-quality version of the graphic appears first and becomes clearer in four horizontal passes as the web page fully loads |
| JPG | A file format that supports millions of colors and is best used for photographs |
| Lossless compression | Type of compression in which all of the original file information is retained |
| Lossy compression | Type of compression in which some data in the file is removed in order to reduce the file size |
| Optimized image | The best quality images with the smallest possible file size |
| Over state | The button state when a pointer is moved over a button |
| Over While Down state | The button state when a pointer is moved over a button in the Down state |
| Pixel | A square in a bitmap graphic |
| PNG | A file format created in the mid-1990s during a controversy over copyright of the GIF format. |
| Progressive | A JPG file format feature in which a low-quality version of the JPG graphic appears when a web page is first loaded and then becomes clearer as the page fully loads |
| Proportionately resize | Change the size of an image so that the width and height are in the same ratio as the original to prevent distortion |
| Resampling | Correctly adjusting the pixels in an image |
| Resolution | The number of dots per inch(dpi) in a graphic |
| Rollover | The default behavior for a button symbol, which allows each state of a button symbol to display a different image |
| Slice | The way Fireworks divides an image so that interactivity can be assigned |
| Source file | The PNG file created in Fireworks that is used to export images to Dreamweaver |
| Stretch | To distort an image by dragging a handle without holding the Shift key |
| Symbol | A single object that is similar to a library item in Dreamweaver, except a symbol placed on a canvas does not have to have its link broken to be edited |
| Transparency | A color that allows the background color to show through |
| Up state | The button state when a pointer is not over it or it is not clicked |
| Vector graphic | A graphic composed of lines connected by points, which allows for smooth resizing and a smaller file size than bitmap graphics |
Created by:
gab1
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