![]() ![]() Use a PNG image of a 'crescent moon' image (from a CopyOpacity Composition example). To explain the difference we need a working example image and for this I'll Refer to the same, special, fourth channel of the image. 'transparency' or 'opacity' channel, or even the image's 'mask'. To make matters worse, this channel is also sometimes referred to at an image's For example the Resize Halo Bug, and the Blur with Transparency Bug. In major IM Bugs in the early days of IM v6. ![]() If this was not the case you get 'Black Halos' around images, such as was seen Operators treat the other color channels, generally becauseĪ fully-transparent color should often be completely ignored by an operation. The existence of a transparency channel can also effect how the various Requires special handling separate to the normal 'color' channels. The transparency (alpha) channel of an image is completely optional, and often Transparency channel, using masks, and ultimately the removal of unwantedīackgrounds, or other elements, such as signs, text, spam. In these examples we look at the special handling of transparency, the Background Removal using Two Backgrounds Hole_Filling. ![]()
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