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optimizations

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This commit is contained in:
Eduardo Bart
2012-04-05 16:08:46 -03:00
parent 49727c573f
commit 4f15da695c
10 changed files with 47 additions and 23 deletions
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4
src/framework/ui/uiwidget.cpp
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@@ -72,7 +72,7 @@ void UIWidget::draw(const Rect& visibleRect)
void UIWidget::drawSelf()
{
// draw style components in order
if(m_backgroundColor.aF() != 0.0f) {
if(m_backgroundColor.aF() > Fw::MIN_ALPHA) {
Rect backgroundDestRect = m_rect;
backgroundDestRect.expand(-m_borderWidth.top, -m_borderWidth.right, -m_borderWidth.bottom, -m_borderWidth.left);
drawBackground(m_rect);
@@ -89,7 +89,7 @@ void UIWidget::drawChildren(const Rect& visibleRect)
// draw children
for(const UIWidgetPtr& child : m_children) {
// render only visible children with a valid rect inside parent rect
if(!child->isExplicitlyVisible() || !child->getRect().isValid() || child->getOpacity() == 0.0f)
if(!child->isExplicitlyVisible() || !child->getRect().isValid() || child->getOpacity() < Fw::MIN_ALPHA)
continue;
Rect childVisibleRect = visibleRect.intersection(child->getRect());