[Libreoffice-commits] core.git: vcl/source vcl/unx

[Caolán McNamara (via logerrit)]

 vcl/source/app/salvtables.cxx |   35 +++++++++++++++++++++++++++++------
 vcl/unx/gtk3/gtk3gtkinst.cxx  |    2 ++
 2 files changed, 31 insertions(+), 6 deletions(-)

New commits:
commit 40251f0e73d2cb700313395dcf49c43a9c1e8570
Author:     Caolán McNamara <caol...@redhat.com>
AuthorDate: Wed Jul 22 14:44:39 2020 +0100
Commit:     Caolán McNamara <caol...@redhat.com>
CommitDate: Wed Jul 22 20:47:19 2020 +0200

    avoid intermediate bitmap causing blurring
    
    and use incoming device as background
    
    Change-Id: I13eea4148527fa2c3552db12555ca1ca005d7799
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/99232
    Tested-by: Jenkins
    Reviewed-by: Caolán McNamara <caol...@redhat.com>

diff --git a/vcl/source/app/salvtables.cxx b/vcl/source/app/salvtables.cxx
index 9765711e3869..699c06287e05 100644
--- a/vcl/source/app/salvtables.cxx
+++ b/vcl/source/app/salvtables.cxx
@@ -1134,15 +1134,38 @@ std::unique_ptr<weld::Container> 
SalInstanceWidget::weld_parent() const
     return std::make_unique<SalInstanceContainer>(pParent, m_pBuilder, false);
 }
 
+namespace
+{
+    void DoRecursivePaint(vcl::Window* pWindow, const Point& rPos, 
OutputDevice& rOutput)
+    {
+        Size aSize = pWindow->GetSizePixel();
+
+        VclPtr<VirtualDevice> 
xOutput(VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT));
+        xOutput->SetOutputSizePixel(aSize);
+        xOutput->DrawOutDev(Point(), aSize, rPos, aSize, rOutput);
+
+        pWindow->Paint(*xOutput, tools::Rectangle(Point(), aSize));
+
+        rOutput.DrawOutDev(rPos, aSize, Point(), aSize, *xOutput);
+
+        xOutput.disposeAndClear();
+
+        for (vcl::Window *pChild = 
pWindow->GetWindow(GetWindowType::FirstChild); pChild; pChild = 
pChild->GetWindow(GetWindowType::Next))
+        {
+            if (!pChild->IsVisible())
+                continue;
+            DoRecursivePaint(pChild, rPos + pChild->GetPosPixel(), rOutput);
+        }
+    }
+}
+
 void SalInstanceWidget::draw(OutputDevice& rOutput, const tools::Rectangle& 
rRect)
 {
     Size aOrigSize(m_xWidget->GetSizePixel());
-    Size aSize = rRect.GetSize();
-    m_xWidget->SetSizePixel(aSize);
-    rOutput.Push(PushFlags::CLIPREGION);
-    rOutput.IntersectClipRegion(rRect);
-    m_xWidget->PaintToDevice(&rOutput, rRect.TopLeft());
-    rOutput.Pop();
+
+    m_xWidget->SetSizePixel(rRect.GetSize());
+    DoRecursivePaint(m_xWidget, rRect.TopLeft(), rOutput);
+
     m_xWidget->SetSizePixel(aOrigSize);
 }
 
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index faa07934e57e..8d6c2b1e345b 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -3079,6 +3079,8 @@ public:
 
         VclPtr<VirtualDevice> 
xOutput(VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT));
         xOutput->SetOutputSizePixel(aSize);
+        xOutput->DrawOutDev(Point(), aSize, rRect.TopLeft(), aSize, rOutput);
+
         cairo_surface_t* pSurface = get_underlying_cairo_surface(*xOutput);
         cairo_t* cr = cairo_create(pSurface);
 
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