commit e142a1a142cbc8b87f021223e6abc947f456a7f9
Author: Thomas Lübking <thomas.luebking@gmail.com>
Date:   Thu Sep 8 22:20:35 2011 +0200

    replace non-const QVector::operator[] accesses with const ::at() to avoid maaany deep vecor copies

diff --git a/kwin/effects.cpp b/kwin/effects.cpp
index e0c76cb..f5863fc0 100644
--- a/kwin/effects.cpp
+++ b/kwin/effects.cpp
@@ -200,7 +200,7 @@ void EffectsHandlerImpl::reconfigure()
 void EffectsHandlerImpl::prePaintScreen(ScreenPrePaintData& data, int time)
 {
     if (current_paint_screen < loaded_effects.size()) {
-        loaded_effects[current_paint_screen++].second->prePaintScreen(data, time);
+        loaded_effects.at(current_paint_screen++).second->prePaintScreen(data, time);
         --current_paint_screen;
     }
     // no special final code
@@ -209,7 +209,7 @@ void EffectsHandlerImpl::prePaintScreen(ScreenPrePaintData& data, int time)
 void EffectsHandlerImpl::paintScreen(int mask, QRegion region, ScreenPaintData& data)
 {
     if (current_paint_screen < loaded_effects.size()) {
-        loaded_effects[current_paint_screen++].second->paintScreen(mask, region, data);
+        loaded_effects.at(current_paint_screen++).second->paintScreen(mask, region, data);
         --current_paint_screen;
     } else
         scene->finalPaintScreen(mask, region, data);
@@ -218,7 +218,7 @@ void EffectsHandlerImpl::paintScreen(int mask, QRegion region, ScreenPaintData&
 void EffectsHandlerImpl::postPaintScreen()
 {
     if (current_paint_screen < loaded_effects.size()) {
-        loaded_effects[current_paint_screen++].second->postPaintScreen();
+        loaded_effects.at(current_paint_screen++).second->postPaintScreen();
         --current_paint_screen;
     }
     // no special final code
@@ -227,7 +227,7 @@ void EffectsHandlerImpl::postPaintScreen()
 void EffectsHandlerImpl::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
 {
     if (current_paint_window < loaded_effects.size()) {
-        loaded_effects[current_paint_window++].second->prePaintWindow(w, data, time);
+        loaded_effects.at(current_paint_window++).second->prePaintWindow(w, data, time);
         --current_paint_window;
     }
     // no special final code
@@ -236,7 +236,7 @@ void EffectsHandlerImpl::prePaintWindow(EffectWindow* w, WindowPrePaintData& dat
 void EffectsHandlerImpl::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
 {
     if (current_paint_window < loaded_effects.size()) {
-        loaded_effects[current_paint_window++].second->paintWindow(w, mask, region, data);
+        loaded_effects.at(current_paint_window++).second->paintWindow(w, mask, region, data);
         --current_paint_window;
     } else
         scene->finalPaintWindow(static_cast<EffectWindowImpl*>(w), mask, region, data);
@@ -245,7 +245,7 @@ void EffectsHandlerImpl::paintWindow(EffectWindow* w, int mask, QRegion region,
 void EffectsHandlerImpl::paintEffectFrame(EffectFrame* frame, QRegion region, double opacity, double frameOpacity)
 {
     if (current_paint_effectframe < loaded_effects.size()) {
-        loaded_effects[current_paint_effectframe++].second->paintEffectFrame(frame, region, opacity, frameOpacity);
+        loaded_effects.at(current_paint_effectframe++).second->paintEffectFrame(frame, region, opacity, frameOpacity);
         --current_paint_effectframe;
     } else {
         const EffectFrameImpl* frameImpl = static_cast<const EffectFrameImpl*>(frame);
@@ -256,7 +256,7 @@ void EffectsHandlerImpl::paintEffectFrame(EffectFrame* frame, QRegion region, do
 void EffectsHandlerImpl::postPaintWindow(EffectWindow* w)
 {
     if (current_paint_window < loaded_effects.size()) {
-        loaded_effects[current_paint_window++].second->postPaintWindow(w);
+        loaded_effects.at(current_paint_window++).second->postPaintWindow(w);
         --current_paint_window;
     }
     // no special final code
@@ -273,7 +273,7 @@ bool EffectsHandlerImpl::provides(Effect::Feature ef)
 void EffectsHandlerImpl::drawWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
 {
     if (current_draw_window < loaded_effects.size()) {
-        loaded_effects[current_draw_window++].second->drawWindow(w, mask, region, data);
+        loaded_effects.at(current_draw_window++).second->drawWindow(w, mask, region, data);
         --current_draw_window;
     } else
         scene->finalDrawWindow(static_cast<EffectWindowImpl*>(w), mask, region, data);
@@ -282,7 +282,7 @@ void EffectsHandlerImpl::drawWindow(EffectWindow* w, int mask, QRegion region, W
 void EffectsHandlerImpl::buildQuads(EffectWindow* w, WindowQuadList& quadList)
 {
     if (current_build_quads < loaded_effects.size()) {
-        loaded_effects[current_build_quads++].second->buildQuads(w, quadList);
+        loaded_effects.at(current_build_quads++).second->buildQuads(w, quadList);
         --current_build_quads;
     }
 }