5. Select the new layer mask by clicking the white thumbnail in the
6. Afterward, use the standard GIMP paint tools to paint the trans-
parency data into the image. Remember that the black pixels will
be transparent, the white pixels will be opaque, and 50% gray pix-
els will be 50% transparent.
7. Finally, save the image in an image format that supports transpar-
ency, such as .bmp, .tga or .png.
108 Chapter 3 / Cross-Platform Development Tools
Figure 3-34: Select the
white layer mask.
Figure 3-35: Start
painting areas that you