To optimize your images with more precision or define your own optimization settings:
In Page view, click on the image you want to optimize.
The Picture Properties panel appears.
Click Edit.
The Optimize Image editor appears.
In this editor you set the quality of the selected image. As you make changes, NetObjects Fusion 12 displays the approximate download time for the file.
You may choose to save and apply previously defined settings. See Saving Optimization Settings.
Select the File type.
For GIF or PNG-8 file types, set the color reduction, colors, and dither.
Set the color reduction first to change the set of colors available in the color table. Then choose the maximum number of colors to display in the Colors drop-down.
Floyd-Steinberg dithering is a common algorithm used to simulate colors that are not available in the color display system of your computer.
Select Transparency to create a transparent GIF. See Creating a Transparent GIF.
For JPG file types, set the Quality and Blur. These fields both affect image quality. 100% is the highest quality, 0% the lowest quality.
Set the Quality field first. Each setting corresponds to a range of percents. Low corresponds to 0-39%, Medium to 40-75%, High to 76-99%, and Maximum to 100%.
Use the Percent field to fine-tune the quality setting.
Select Progressive to create an image that displays progressively in a Web browser. The image will display as a series of overlays, enabling viewers to see a low-resolution version of the image before it downloads completely.
As you adjust the settings, the image in the Preview field changes. If the Preview image is scaled down, you can close the editor and check image quality in Page Design view.
Click OK to close the Optimize Image editor.
If you chose "Copy to site’s "Asset’s" folder, you can restore the original image by clicking "Revert to Original Image" on the general tab of the Picture Properties panel.