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# 5.1.6 Custom volume icon

Normally when a disk image is mounted, it shows up on the desktop with a plain white icon that looks like a hard drive. With this option checked, DropDMG will customize the icon in one of two modes:

Automatic

  If the top level of the image contains an application, DropDMG will badge the application’s icon onto the white drive icon. Or, if the disk image contains a single file, DropDMG will badge that file’s icon onto the drive. DropDMG renders an optimized version of the badged icon for each size up to 512×512.

Manual

  To choose your own graphic file to use as the icon:

  1. Click the Set Icon… button.
  2. Select the graphic file and click Choose.
  3. Select the source folder (the folder that you will drop onto DropDMG when you create the disk image) and click Choose. DropDMG will convert your graphic file into an invisible `.VolumeIcon.icns` in the source folder.
  4. Now, whenever you create a disk image from that source folder (provided that Custom volume icon is checked) DropDMG will use the `.icns` file to set the volume icon.

DropDMG ignores the Custom volume icon option when creating a disk image by converting.

Burning a CD or DVD-ROM With a Custom Icon

1. Put the files that will comprise your disc into a folder (called the source folder).
2. In the Configurations preferences, set the Format to `.cdr` and make sure that Custom volume icon is checked.
3. If you want DropDMG to automatically create the icon based on the main file in your source folder, skip this step. To use your own graphic file for the icon, click the Set Icon… button. Select the graphic file and click Choose. Then select the source folder and click Choose.
4. Drag your source folder onto DropDMG’s icon in the Dock. This will create a `.cdr` file.
5. Choose Burn… from DropDMG’s File menu. Make sure that Burn contents of disk images is checked. Then select the `.cdr` file and burn your disc.

Creating a Sparse Disk Image With a Custom Icon

DropDMG currently does not support directly creating a `.sparsebundle` or `.sparseimage` disk image with a custom icon. You can, however, create a `.dmg` disk image with a custom icon and then convert it to the desired format.

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