void UIWidget::setBlendFunc(BlendFunc blendFunc)
{
BlendProtocol * blendNode = DYNAMIC_CAST_CCBLENDPROTOCOL;
if (blendNode)
{
blendNode->setBlendFunc(blendFunc);
}
}
void TDDHelper::setAlphaPremultiplied(Node *node)
{
if(node == NULL) {
return;
}
BlendProtocol *ptr = dynamic_cast<BlendProtocol *>(node);
if(ptr == NULL) {
return;
}
ptr->setBlendFunc(BlendFunc::ALPHA_PREMULTIPLIED);
}
bool LWFRendererFactory::Render(class LWF *lwf, Node *node,
BlendEquationProtocol *be, int renderingIndex, bool visible,
BlendFunc *baseBlendFunc)
{
m_renderingIndex = renderingIndex;
node->setVisible(visible);
if (!visible)
return false;
Node *target;
switch (m_maskMode) {
case Format::BLEND_MODE_ERASE:
case Format::BLEND_MODE_MASK:
case Format::BLEND_MODE_LAYER:
{
LWFMask *mask;
if (m_lastMaskMode != m_maskMode) {
++m_maskNo;
if (m_masks.size() > m_maskNo) {
mask = m_masks[m_maskNo];
} else {
mask = LWFMask::create();
m_masks.push_back(mask);
}
PlaceNode(m_node, mask);
LWFMask *layer = nullptr;
if (m_lastMaskMode == Format::BLEND_MODE_LAYER &&
(m_maskMode == Format::BLEND_MODE_ERASE ||
m_maskMode == Format::BLEND_MODE_MASK) &&
m_maskNo > 0) {
layer = m_masks[m_maskNo - 1];
if (layer)
layer->setLocalZOrder(INT_MAX);
PlaceNode(mask, layer);
}
if (layer && mask) {
switch (m_maskMode) {
case Format::BLEND_MODE_ERASE:
case Format::BLEND_MODE_MASK:
switch (m_maskMode) {
case Format::BLEND_MODE_ERASE:
layer->setBlendFunc(
{GL_ONE_MINUS_DST_ALPHA, GL_ZERO});
break;
case Format::BLEND_MODE_MASK:
layer->setBlendFunc(
{GL_DST_ALPHA, GL_ZERO});
break;
}
BlendFunc blendFunc = {GL_ONE, GL_ZERO};
GetBlendFunc(blendFunc, m_blendMode);
mask->setBlendFunc(blendFunc);
break;
}
}
m_lastMaskMode = m_maskMode;
} else {
mask = m_masks[m_maskNo];
}
if (mask)
mask->setLocalZOrder(m_renderingIndex + 1);
target = mask;
}
break;
default:
target = m_node;
break;
}
PlaceNode(target, node);
node->setLocalZOrder(renderingIndex);
BlendProtocol *p = dynamic_cast<BlendProtocol *>(node);
if (p) {
BlendFunc blendFunc =
baseBlendFunc ? *baseBlendFunc : p->getBlendFunc();
GetBlendFunc(blendFunc, m_blendMode);
p->setBlendFunc(blendFunc);
}
BlendEquationProtocol *ep = dynamic_cast<BlendEquationProtocol *>(node);
if (ep)
ep->setBlendEquation(m_blendMode);
return true;
}
