Vcl.Imaging.pngimage.TPNGTransparencyMode

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Delphi

TPNGTransparencyMode = (ptmNone, ptmBit, ptmPartial);

C++

enum DECLSPEC_DENUM TPNGTransparencyMode : unsigned char { ptmNone, ptmBit, ptmPartial };

Properties

Type	Visibility	Source	Unit	Parent
enum	public	Vcl.Imaging.pngimage.pas Vcl.Imaging.pngimage.hpp	Vcl.Imaging.pngimage	Vcl.Imaging.pngimage

Description

TPNGTransparencyMode enumerates the possible supported transparency modes of a png image.

TPNGTransparencyMode enumerates the possible supported transparency modes of a png image. The following table lists the possible values and their meaning.

Value	Meaning
ptmNone	The png image does not support transparency.
ptmBit	The png image supports bit transparency. This value is used if the png image has no alpha channel information, but defines a transparent color.
ptmPartial	The png image supports partial transparency. This value is used if the image supplies alpha channel information.