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[MSPAINT] Establish Undo/Redo management (#5347)

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- Painting the canvas is done by overlaying the multiple layers.
- Drawing each overlay is implemented as polymorphism of OOP.
- Refine the Undo/Redo mechanism.
- Some adjustments.
CORE-17969
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Katayama Hirofumi MZ 2023-06-17 21:15:35 +09:00 • committed by GitHub
parent b7071f67a8
commit e8c7e30030
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25 changed files with 721 additions and 504 deletions
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8
base/applications/mspaint/palette.cpp
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@ -181,13 +181,7 @@ LRESULT CPaletteWindow::OnRButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam,
LRESULT CPaletteWindow::OnPaletteModelColorChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
InvalidateRect(NULL, FALSE);
return 0;
}
LRESULT CPaletteWindow::OnPaletteModelPaletteChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
InvalidateRect(NULL, FALSE);
Invalidate(FALSE);
return 0;
}