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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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GPG key ID: 4AEE18F83AFDEB23
25 changed files with 721 additions and 504 deletions
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28
base/applications/mspaint/main.cpp
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@ -8,15 +8,13 @@
#include "precomp.h"
POINT start;
POINT last;
BOOL askBeforeEnlarging = FALSE; // TODO: initialize from registry
HINSTANCE hProgInstance = NULL;
TCHAR filepathname[MAX_LONG_PATH] = { 0 };
BOOL isAFile = FALSE;
BOOL imageSaved = FALSE;
BOOL showGrid = FALSE;
POINT g_ptStart, g_ptEnd;
BOOL g_askBeforeEnlarging = FALSE; // TODO: initialize from registry
HINSTANCE g_hinstExe = NULL;
TCHAR g_szFileName[MAX_LONG_PATH] = { 0 };
BOOL g_isAFile = FALSE;
BOOL g_imageSaved = FALSE;
BOOL g_showGrid = FALSE;
CMainWindow mainWindow;
@ -81,7 +79,7 @@ BOOL CMainWindow::GetOpenFileName(IN OUT LPTSTR pszFile, INT cchMaxFile)
{
// The "All Files" item text
CString strAllPictureFiles;
strAllPictureFiles.LoadString(hProgInstance, IDS_ALLPICTUREFILES);
strAllPictureFiles.LoadString(g_hinstExe, IDS_ALLPICTUREFILES);
// Get the import filter
CSimpleArray<GUID> aguidFileTypesI;
@ -92,7 +90,7 @@ BOOL CMainWindow::GetOpenFileName(IN OUT LPTSTR pszFile, INT cchMaxFile)
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = m_hWnd;
ofn.hInstance = hProgInstance;
ofn.hInstance = g_hinstExe;
ofn.lpstrFilter = strFilter;
ofn.Flags = OFN_EXPLORER | OFN_HIDEREADONLY;
ofn.lpstrDefExt = L"png";
@ -119,7 +117,7 @@ BOOL CMainWindow::GetSaveFileName(IN OUT LPTSTR pszFile, INT cchMaxFile)
ZeroMemory(&sfn, sizeof(sfn));
sfn.lStructSize = sizeof(sfn);
sfn.hwndOwner = m_hWnd;
sfn.hInstance = hProgInstance;
sfn.hInstance = g_hinstExe;
sfn.lpstrFilter = strFilter;
sfn.Flags = OFN_EXPLORER | OFN_OVERWRITEPROMPT | OFN_ENABLEHOOK;
sfn.lpfnHook = OFNHookProc;
@ -170,10 +168,10 @@ BOOL CMainWindow::ChooseColor(IN OUT COLORREF *prgbColor)
HWND CMainWindow::DoCreate()
{
::LoadString(hProgInstance, IDS_DEFAULTFILENAME, filepathname, _countof(filepathname));
::LoadString(g_hinstExe, IDS_DEFAULTFILENAME, g_szFileName, _countof(g_szFileName));
CString strTitle;
strTitle.Format(IDS_WINDOWTITLE, PathFindFileName(filepathname));
strTitle.Format(IDS_WINDOWTITLE, PathFindFileName(g_szFileName));
RECT& rc = registrySettings.WindowPlacement.rcNormalPosition;
return Create(HWND_DESKTOP, rc, strTitle, WS_OVERLAPPEDWINDOW, WS_EX_ACCEPTFILES);
@ -188,7 +186,7 @@ _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, INT nC
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
hProgInstance = hInstance;
g_hinstExe = hInstance;
// Initialize common controls library
INITCOMMONCONTROLSEX iccx;