tdf#115843 avoid using transparent virtualdevice when 100% opaque

which for the common case avoids the narrowing of hidpi outputdevices
through non-hidpi bitmaps

Change-Id: Ibdc004a0946e8cb118818e58a01e5791c869353a
Reviewed-on: https://gerrit.libreoffice.org/69930
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit b1f961e3a459d2772f12da556ab74fa635d6a46a)

after...

copy between the outputdevices without interim Bitmap

Change-Id: I6c0097b1b069cad2771c94210986714d59431e4f
Reviewed-on: https://gerrit.libreoffice.org/69929
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 11fe18ea21974e4fdc01a3f4a455725cec8ce11a)
Reviewed-on: https://gerrit.libreoffice.org/69938
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

2 files changed, 31 insertions, 23 deletions

diff --git a/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx b/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx
index b22ddabf00a0..53c9b4876927 100644
--- a/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx
+++ b/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx
@@ -334,7 +334,6 @@ namespace drawinglayer
 
             mrOutDev.EnableMapMode(false);
             mpContent->EnableMapMode(false);
-            Bitmap aContent(mpContent->GetBitmap(aEmptyPoint, aSizePixel));
 
 #ifdef DBG_UTIL
             if(bDoSaveForVisualControl)
@@ -346,6 +345,7 @@ namespace drawinglayer
                     "~/content.bmp",
 #endif
                     StreamMode::WRITE|StreamMode::TRUNC);
+                Bitmap aContent(mpContent->GetBitmap(aEmptyPoint, aSizePixel));
                 WriteDIB(aContent, aNew, false, true);
             }
 #endif
@@ -373,6 +373,7 @@ namespace drawinglayer
                 }
 #endif
 
+                Bitmap aContent(mpContent->GetBitmap(aEmptyPoint, aSizePixel));
                 mrOutDev.DrawBitmapEx(maDestPixel.TopLeft(), BitmapEx(aContent, aAlphaMask));
             }
             else if(mpMask)
@@ -394,17 +395,21 @@ namespace drawinglayer
                 }
 #endif
 
+                Bitmap aContent(mpContent->GetBitmap(aEmptyPoint, aSizePixel));
                 mrOutDev.DrawBitmapEx(maDestPixel.TopLeft(), BitmapEx(aContent, aMask));
             }
             else if(0.0 != fTrans)
             {
                 sal_uInt8 nMaskValue(static_cast<sal_uInt8>(basegfx::fround(fTrans * 255.0)));
                 const AlphaMask aAlphaMask(aSizePixel, &nMaskValue);
+                Bitmap aContent(mpContent->GetBitmap(aEmptyPoint, aSizePixel));
                 mrOutDev.DrawBitmapEx(maDestPixel.TopLeft(), BitmapEx(aContent, aAlphaMask));
             }
             else
             {
-                mrOutDev.DrawBitmap(maDestPixel.TopLeft(), aContent);
+                mrOutDev.DrawOutDev(maDestPixel.TopLeft(), aSizePixel,
+                                    aEmptyPoint, aSizePixel,
+                                    *mpContent);
             }
 
             mrOutDev.SetRasterOp(aOrigRasterOp);
diff --git a/drawinglayer/source/processor2d/vclprocessor2d.cxx b/drawinglayer/source/processor2d/vclprocessor2d.cxx
index de94ac307120..40c36abac9e9 100644
--- a/drawinglayer/source/processor2d/vclprocessor2d.cxx
+++ b/drawinglayer/source/processor2d/vclprocessor2d.cxx
@@ -726,29 +726,32 @@ namespace drawinglayer
                         // back to old OutDev
                         mpOutputDevice = pLastOutputDevice;
 
-                        // draw mask
-                        if(getOptionsDrawinglayer().IsAntiAliasing())
+                        // if the mask fills the whole area we can skip
+                        // creating a transparent vd and filling it.
+                        if (!basegfx::utils::isRectangle(aMask))
                         {
-                            // with AA, use 8bit AlphaMask to get nice borders
-                            VirtualDevice& rTransparence = aBufferDevice.getTransparence();
-                            rTransparence.SetLineColor();
-                            rTransparence.SetFillColor(COL_BLACK);
-                            rTransparence.DrawPolyPolygon(aMask);
-
-                            // dump buffer to outdev
-                            aBufferDevice.paint();
-                        }
-                        else
-                        {
-                            // No AA, use 1bit mask
-                            VirtualDevice& rMask = aBufferDevice.getMask();
-                            rMask.SetLineColor();
-                            rMask.SetFillColor(COL_BLACK);
-                            rMask.DrawPolyPolygon(aMask);
-
-                            // dump buffer to outdev
-                            aBufferDevice.paint();
+                            // draw mask
+                            if(getOptionsDrawinglayer().IsAntiAliasing())
+                            {
+                                // with AA, use 8bit AlphaMask to get nice borders
+                                VirtualDevice& rTransparence = aBufferDevice.getTransparence();
+                                rTransparence.SetLineColor();
+                                rTransparence.SetFillColor(COL_BLACK);
+                                rTransparence.DrawPolyPolygon(aMask);
+                            }
+                            else
+                            {
+                                // No AA, use 1bit mask
+                                VirtualDevice& rMask = aBufferDevice.getMask();
+                                rMask.SetLineColor();
+                                rMask.SetFillColor(COL_BLACK);
+                                rMask.DrawPolyPolygon(aMask);
+                            }
                         }
+
+                        // dump buffer to outdev
+                        aBufferDevice.paint();
+
                     }
                 }
             }