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Chapter 9: Multimedia and special effects
Images
Image basics
Image file formats
GIF (Graphic Interchange Format)
limited range of color. GIF images support the transparent attribute. They are best for grayscale photographs, cartoons,
small icons, buttons, bars, lines, and bullets. They can be interlaced and animated.
JPEG (Joint Photographic Expert Group)
continuous-tone images in HTML documents. If you use images with 256 colors or more, use JPEG format. JPEG files
have either a .jpeg or .jpg filename extension.
The standard bitmap image format intended for Windows, used in WinHelp applications.
BMP (Windows Bitmap)
Bitmap images support up to 24-bit color. When you import WinHelp projects into HTML, the bitmaps are converted
into GIF or JPG format. You can use bitmaps and icon formats (ICO files) when you add link controls or HTML Help
controls (custom buttons.)
MRB (Multi-Resolution Bitmap)
resolutions in a single file. The program imports these files from WinHelp projects and converts them into GIF images.
A vector graphics format intended for Windows systems. WMF files are commonly used as
WMF (Windows Metafile)
clip art for word-processing applications. The program imports these files from WinHelp projects and converts them
into GIF images.
PNG (Portable Network Graphics)
and Microsoft Internet Explorer support PNG.
Tips:
• Create a stationery watermark effect by displaying background colors and images from the Borders And Shading
dialog box.
• When you select an image, the Cable Drum button appears
tables) with another topic item, and assign a Dynamic HTML effect to the connection.
• When you import a Microsoft Word file or an HTML file, all images are imported with the file (images must be in
anchored frames.)
Note: If you generate WebHelp Pro or WebHelp output, use GIF or JPEG files.
Locate images
Use the Graphics Locator to scan hard drives and folders for image files, view thumbnails, and copy files.
1
In the Toolbox pod, double-click the Graphics Locator
2
Select the graphic file format to search for.
Enter the path for the search or browse to a new location.
3
Click Search.
4
An 8-bit color format that can display 256 colors and is useful for images with a
JPEG format is commonly used to display photographs and other
A Windows Help image format that contains an image saved in different screen
A bitmap image format like GIF. The most recent versions of Netscape Navigator
Last updated 7/13/2012
. Use it to link topic items (such as images, text, and
.
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