From 5fd71e9bd83935c907eb5ad8ffc270ae42ff05ae Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@digia.com>
Date: Fri, 8 Aug 2014 12:10:11 +0200
Subject: Adapt to new visitor pattern for rendering

Change-Id: I32b5d748a5cadcb88511f401924d3b3635275881
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
---
 softwarecontext/context.cpp | 34 ++--------------------------------
 1 file changed, 2 insertions(+), 32 deletions(-)

(limited to 'softwarecontext/context.cpp')

diff --git a/softwarecontext/context.cpp b/softwarecontext/context.cpp
index 9d0b7a3097..d656125f0c 100644
--- a/softwarecontext/context.cpp
+++ b/softwarecontext/context.cpp
@@ -45,6 +45,7 @@
 #include "imagenode.h"
 #include "pixmaptexture.h"
 #include "glyphnode.h"
+#include "renderingvisitor.h"
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QElapsedTimer>
@@ -99,42 +100,12 @@ void Renderer::render()
     painter.setRenderHint(QPainter::Antialiasing);
 
     painter.fillRect(rect, Qt::white);
-    renderNode(&painter, rootNode());
+    RenderingVisitor(&painter).visitChildren(rootNode());
 
     backingStore->endPaint();
     backingStore->flush(rect);
 }
 
-void Renderer::renderNode(QPainter *painter, QSGNode *node)
-{
-    bool restore = false;
-
-    if (node->type() == QSGNode::TransformNodeType) {
-        QSGTransformNode *tn = static_cast<QSGTransformNode*>(node);
-        painter->save();
-        restore = true;
-        painter->setTransform(tn->matrix().toTransform(), /*combine*/true);
-    } else if (node->type() == QSGNode::ClipNodeType) {
-        QSGClipNode *cn = static_cast<QSGClipNode*>(node);
-        painter->save();
-        restore = true;
-        painter->setClipRect(cn->clipRect(), Qt::IntersectClip);
-    } else if (node->type() == QSGNode::OpacityNodeType) {
-        QSGOpacityNode *on = static_cast<QSGOpacityNode*>(node);
-        painter->save();
-        restore = true;
-        painter->setOpacity(on->opacity());
-    }
-
-    node->paint(painter);
-
-    for (QSGNode *child = node->firstChild(); child; child = child->nextSibling())
-        renderNode(painter, child);
-
-    if (restore)
-        painter->restore();
-}
-
 RenderContext::RenderContext(QSGContext *ctx)
     : QSGRenderContext(ctx)
     , currentWindow(0)
@@ -192,5 +163,4 @@ void RenderContext::renderNextFrame(QSGRenderer *renderer, GLuint fbo)
     QSGRenderContext::renderNextFrame(renderer, fbo);
 }
 
-
 } // namespace
-- 
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