Vcl.Imaging.pngimage.TPNGTransparencyMode
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. |