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FrontLook.com Newsletter Tip

Volume 2 - Issue 8 - November 2002

Using the Image Scaling Feature in the Presenter Component
By David Pfeiffer

When creating a Slide Show presentation, it can be a time consuming task to setup all your images to fit the height and width of the applet or component. In the past you had to do this manually, but with our new Component Effects product, we have added an image scaling feature to scale the images to fit the component area.

Start with the Images
First you might select a set of images that will likely be different sizes and aspect ratios (height to width ratios). Here are a sequence of images that will be used in a slide show.

 

 

Set of Images used in this Example - Actual Sizes

Setup the Presenter Component
Bring up the Presenter Component up using the "Insert->FrontLook->FrontLook Component Effects->Presenter..." menu item. Then set the Component Size and other Component Attributes on the Component panel as illustrated below:


Component Panel

Here the image width and height were set to 150 by 100 pixels and the caption height was set to 40 pixels. The total Component size is then automatically calculated and set in the Size section. The divider was turned on by checking the "Show Divider" checkbox, the border was turned on by setting the border size to 1 pixel and the background and border color was set to white and gray respectively. The margins were set to 3 pixels and spacing between areas was set to 7 pixels (3 pixel margin + 1 pixel border + 3 pixel margin). Note the alignment of the component was set to "Center".

Import the Images
Now we are ready to setup the Slides. Since the images are on the web already, the images will be imported from the web. First you will want to clear out the standard set of images from the Presenter component on the Slides panel. Do this by selecting the slides in the slides list and pressing the remove button. You will notice that you cannot delete the last slide, don't worry about his, just add the other images and then delete the last image later. The images can be imported by pressing the "Add..." button.


Adding Images from the web to the Slide List

Once the images have been added, use the up and down arrows to set the order of the slides. Delete any images that you don't want by using the "Remove" button.


After all the Images have added

Now you can set the caption info in the Content area for each slide. Select a slide in the Slides list and then edit the content for that slide. Use the Shift-Return for small line breaks.

Set the Sizing Mode
The Scaling popup is used to set the scale and alignment of an image in the slide show. This will save you time in getting the images to fit into the slide show format without using an image editor.

No Scale Align Center

Setting the Scale Mode and Alignment for an Image

Note the black line in the Slide Preview indicates how the image is scaled and aligned in the component area.

Stretch

Setting the Scaling so the image fills the component box.

When using the stretch feature, be careful your image doesn't end up too distorted.

Fit - Align Center

Setting the Scaling to Fit Align Center

One of the most useful settings will be "Fit align Center". This will scale your image to fit into the component area so the user can see the entire image without distortion. It will also align the image into the center of the component.

How it Works
To minimize download time, the image needs to be scaled to a new size and place on the web. Our software copies your image to a private directory and then scales your image giving it a new name. The image is then copied to the web site and placed in the _frontlook directory.

Note: Aliasing may occur if the image is very large and is being scaled down significantly. In this case you should use an image editor to scale the image using a high quality re-sampling setting.

View the Slide Show
Below is the completed component:

And that is it!
Using the Scaling feature will make sure that your images are properly setup for the slide show and it will also minimize image download time; all without the user of an image editor!
 

DPA Software

Copyright 2004 DPA Software - All Rights Reserved

Last Modified : 03/06/2008 11:15 PM

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FrontLook, Theme Chameleon, Image Chameleon and FrontLook Super Themes are trademarks of DPA Software. Microsoft FrontPage, SharePoint, Microsoft and the Office logo are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Java is a trademark of Sun Microsystems. *PC Magazine is a registered trademark of Ziff Davis Publishing Holdings Inc. Used under license from Ziff Davis Media Inc.