wx.CompositionModeΒΆThe CompositionMode enumeration provides the following values:
| Description | Value |
|---|---|
wx.COMPOSITION_INVALID |
Indicates invalid or unsupported composition mode. |
wx.COMPOSITION_CLEAR |
R = 0 |
wx.COMPOSITION_SOURCE |
R = S |
wx.COMPOSITION_OVER |
R = S + D*`(1 - `Sa) |
wx.COMPOSITION_IN |
R = S* Da ` |
wx.COMPOSITION_OUT |
R = S*`(1 - `Da) |
wx.COMPOSITION_ATOP |
R = S* Da + D*`(1 - `Sa) |
wx.COMPOSITION_DEST |
R = D, essentially a noop |
wx.COMPOSITION_DEST_OVER |
R = S*`(1 - `Da) + D |
wx.COMPOSITION_DEST_IN |
R = D* Sa ` |
wx.COMPOSITION_DEST_OUT |
R = D*`(1 - `Sa) |
wx.COMPOSITION_DEST_ATOP |
R = S*`(1 - `Da) + D* Sa ` |
wx.COMPOSITION_XOR |
R = S*`(1 - `Da) + D*`(1 - `Sa) |
wx.COMPOSITION_ADD |
R = S + D |
