[reactos] 01/01: [MSPAINT] Fix Copy and Paste

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=96c7fe4ccd336c9cb82bb8...

commit 96c7fe4ccd336c9cb82bb800451ec3cd5c17c2f2
Author:     Katayama Hirofumi MZ [e-mail]
AuthorDate: Sun Apr 9 09:14:32 2023 +0900
Commit:     Katayama Hirofumi MZ [e-mail]
CommitDate: Sun Apr 9 09:14:32 2023 +0900

[MSPAINT] Fix Copy and Paste

Call GetSelectionContents in SelectionModel::GetBitmap.
    CORE-18920, CORE-18867
---
 base/applications/mspaint/selectionmodel.cpp |  4 +++-
 base/applications/mspaint/selectionmodel.h   |  2 +-
 base/applications/mspaint/winproc.cpp        | 10 ++++++----
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/base/applications/mspaint/selectionmodel.cpp b/base/applications/mspaint/selectionmodel.cpp
index 59aaa382ac9..56d74ce877e 100644
--- a/base/applications/mspaint/selectionmodel.cpp
+++ b/base/applications/mspaint/selectionmodel.cpp
@@ -349,8 +349,10 @@ void SelectionModel::StretchSkew(int nStretchPercentX, int nStretchPercentY, int
     NotifyRefreshNeeded();
 }

-HBITMAP SelectionModel::GetBitmap() const
+HBITMAP SelectionModel::GetBitmap()
 {
+    if (m_hbmColor == NULL)
+        GetSelectionContents(imageModel.GetDC());
     return m_hbmColor;
 }

diff --git a/base/applications/mspaint/selectionmodel.h b/base/applications/mspaint/selectionmodel.h
index fc1420de7fd..af285e380d8 100644
--- a/base/applications/mspaint/selectionmodel.h
+++ b/base/applications/mspaint/selectionmodel.h
@@ -34,7 +34,7 @@ public:
     BOOL TakeOff();
     void Landing();

-    HBITMAP GetBitmap() const;
+    HBITMAP GetBitmap();
     void GetSelectionContents(HDC hDCImage);
     void DrawFramePoly(HDC hDCImage);
     void DrawBackgroundPoly(HDC hDCImage, COLORREF crBg);
diff --git a/base/applications/mspaint/winproc.cpp b/base/applications/mspaint/winproc.cpp
index 828bf0855ff..857eedd81ae 100644
--- a/base/applications/mspaint/winproc.cpp
+++ b/base/applications/mspaint/winproc.cpp
@@ -648,10 +648,12 @@ LRESULT CMainWindow::OnCommand(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bH
             canvasWindow.Invalidate(FALSE);
             break;
         case IDM_EDITCOPY:
-            OpenClipboard();
-            EmptyClipboard();
-            SetClipboardData(CF_BITMAP, CopyDIBImage(selectionModel.GetBitmap()));
-            CloseClipboard();
+            if (OpenClipboard())
+            {
+                EmptyClipboard();
+                SetClipboardData(CF_BITMAP, CopyDIBImage(selectionModel.GetBitmap()));
+                CloseClipboard();
+            }
             break;
         case IDM_EDITCUT:
             /* Copy */