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authorMichael Stahl <mstahl@redhat.com>2013-06-24 19:50:30 +0200
committerMichael Stahl <mstahl@redhat.com>2013-06-24 20:17:43 +0200
commit38dcfadda85058a0ee87292c8943aec82e34b81e (patch)
tree1157a8d80f7f8927f0010d850d6bd7ac5275fbbb /svx/source
parentf022f39638fbe970f1b839c757dcccd3baa69445 (diff)
fdo#58029: replace quadratic child window loop with linear
... which should speed things up without introducing problems. (Window::GetChild(n) is inefficient because the children are a linked list) Change-Id: I343d51a6866c5014cbca4c256b0c15f938958c39
Diffstat (limited to 'svx/source')
-rw-r--r--svx/source/sdr/overlay/overlaymanagerbuffered.cxx29
-rw-r--r--svx/source/svdraw/sdrpaintwindow.cxx27
2 files changed, 34 insertions, 22 deletions
diff --git a/svx/source/sdr/overlay/overlaymanagerbuffered.cxx b/svx/source/sdr/overlay/overlaymanagerbuffered.cxx
index ecc2c6880dfe..1ff7cb927937 100644
--- a/svx/source/sdr/overlay/overlaymanagerbuffered.cxx
+++ b/svx/source/sdr/overlay/overlaymanagerbuffered.cxx
@@ -18,6 +18,7 @@
*/
#include <svx/sdr/overlay/overlaymanagerbuffered.hxx>
+#include <svx/sdrpaintwindow.hxx>
#include <vcl/outdev.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/range/b2drange.hxx>
@@ -392,28 +393,12 @@ namespace sdr
{
Window& rWindow = static_cast< Window& >(rmOutputDevice);
- if(rWindow.IsChildTransparentModeEnabled() && rWindow.GetChildCount())
- {
- const Rectangle aRegionRectanglePixel(
- maBufferRememberedRangePixel.getMinX(), maBufferRememberedRangePixel.getMinY(),
- maBufferRememberedRangePixel.getMaxX(), maBufferRememberedRangePixel.getMaxY());
-
- for(sal_uInt16 a(0); a < rWindow.GetChildCount(); a++)
- {
- Window* pCandidate = rWindow.GetChild(a);
-
- if(pCandidate && pCandidate->IsPaintTransparent())
- {
- const Rectangle aCandidatePosSizePixel(pCandidate->GetPosPixel(), pCandidate->GetSizePixel());
-
- if(aCandidatePosSizePixel.IsOver(aRegionRectanglePixel))
- {
- pCandidate->Invalidate(INVALIDATE_NOTRANSPARENT|INVALIDATE_CHILDREN);
- pCandidate->Update();
- }
- }
- }
- }
+ const Rectangle aRegionRectanglePixel(
+ maBufferRememberedRangePixel.getMinX(),
+ maBufferRememberedRangePixel.getMinY(),
+ maBufferRememberedRangePixel.getMaxX(),
+ maBufferRememberedRangePixel.getMaxY());
+ PaintTransparentChildren(rWindow, aRegionRectanglePixel);
}
// #i80730# restore visibility of VCL cursor
diff --git a/svx/source/svdraw/sdrpaintwindow.cxx b/svx/source/svdraw/sdrpaintwindow.cxx
index a550c9e0bf68..6abacc5089ed 100644
--- a/svx/source/svdraw/sdrpaintwindow.cxx
+++ b/svx/source/svdraw/sdrpaintwindow.cxx
@@ -23,6 +23,33 @@
#include <vcl/gdimtf.hxx>
#include <vcl/svapp.hxx>
+
+void PaintTransparentChildren(Window & rWindow, Rectangle const& rPixelRect)
+{
+ if (rWindow.IsChildTransparentModeEnabled())
+ {
+ Window * pCandidate = rWindow.GetWindow( WINDOW_FIRSTCHILD );
+ while (pCandidate)
+ {
+ if (pCandidate->IsPaintTransparent())
+ {
+ const Rectangle aCandidatePosSizePixel(
+ pCandidate->GetPosPixel(),
+ pCandidate->GetSizePixel());
+
+ if (aCandidatePosSizePixel.IsOver(rPixelRect))
+ {
+ pCandidate->Invalidate(
+ INVALIDATE_NOTRANSPARENT|INVALIDATE_CHILDREN );
+ // important: actually paint the child here!
+ pCandidate->Update();
+ }
+ }
+ pCandidate = pCandidate->GetWindow( WINDOW_NEXT );
+ }
+ }
+}
+
////////////////////////////////////////////////////////////////////////////////////////////////////
SdrPreRenderDevice::SdrPreRenderDevice(OutputDevice& rOriginal)