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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
This commit is contained in:
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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31
base/applications/mspaint/toolsmodel.h
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@ -39,34 +39,27 @@ struct ToolBase
static INT pointSP;
static POINT pointStack[256];
ToolBase(TOOLTYPE tool) : m_tool(tool), m_hdc(NULL)
{
}
ToolBase(TOOLTYPE tool) : m_tool(tool), m_hdc(NULL) { }
virtual ~ToolBase() { }
virtual ~ToolBase()
{
}
virtual void OnButtonDown(BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick)
{
}
virtual void OnMouseMove(BOOL bLeftButton, LONG x, LONG y)
{
}
virtual void OnButtonUp(BOOL bLeftButton, LONG x, LONG y)
{
}
virtual void OnButtonDown(BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick) { }
virtual void OnMouseMove(BOOL bLeftButton, LONG x, LONG y) { }
virtual void OnButtonUp(BOOL bLeftButton, LONG x, LONG y) { }
virtual void OnCancelDraw();
virtual void OnFinishDraw();
virtual void OnDrawOverlayOnImage(HDC hdc) { }
virtual void OnDrawOverlayOnCanvas(HDC hdc) { }
void beginEvent();
void endEvent();
void reset();
static ToolBase* createToolObject(TOOLTYPE type);
protected:
void OnDrawSelectionOnCanvas(HDC hdc);
};
class ToolsModel
@ -112,6 +105,8 @@ public:
void OnButtonUp(BOOL bLeftButton, LONG x, LONG y);
void OnCancelDraw();
void OnFinishDraw();
void OnDrawOverlayOnImage(HDC hdc);
void OnDrawOverlayOnCanvas(HDC hdc);
void resetTool();
void selectAll();