Implement "mirror" property for BorderImage.

Change-Id: Iee5b252ce1b0d39da42f553cf2ae782ad14d297f
Reviewed-by: Gunnar

3 files changed, 22 insertions, 0 deletions

diff --git a/src/declarative/items/qsgborderimage.cpp b/src/declarative/items/qsgborderimage.cpp
index 9a8a8818e8..81df0a31e7 100644
--- a/src/declarative/items/qsgborderimage.cpp
+++ b/src/declarative/items/qsgborderimage.cpp
@@ -346,6 +346,7 @@ QSGNode *QSGBorderImage::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *
     node->setFiltering(d->smooth ? QSGTexture::Linear : QSGTexture::Nearest);
     node->setHorzontalTileMode(d->horizontalTileMode);
     node->setVerticalTileMode(d->verticalTileMode);
+    node->setMirror(d->mirror);
     node->update();
 
     return node;
diff --git a/src/declarative/items/qsgninepatchnode.cpp b/src/declarative/items/qsgninepatchnode.cpp
index 045dd6c94f..eaa97178f4 100644
--- a/src/declarative/items/qsgninepatchnode.cpp
+++ b/src/declarative/items/qsgninepatchnode.cpp
@@ -48,6 +48,7 @@ QSGNinePatchNode::QSGNinePatchNode()
     , m_horizontalTileMode(QSGBorderImage::Stretch)
     , m_verticalTileMode(QSGBorderImage::Stretch)
     , m_dirtyGeometry(false)
+    , m_mirror(false)
 {
     setOpaqueMaterial(&m_material);
     setMaterial(&m_materialO);
@@ -118,6 +119,15 @@ QSGTexture *QSGNinePatchNode::texture() const
     return m_material.texture();
 }
 
+void QSGNinePatchNode::setMirror(bool m)
+{
+    if (m_mirror == m)
+        return;
+    m_mirror = m;
+    m_dirtyGeometry = true;
+}
+
+
 void QSGNinePatchNode::update()
 {
     if (!m_dirtyGeometry)
@@ -210,6 +220,13 @@ void QSGNinePatchNode::update()
     fillRow(v, m_targetRect.height() - bottomBorder, yTexChunk2, xChunkCount, xChunkSize);
     fillRow(v, m_targetRect.height(), 1, xChunkCount, xChunkSize);
 
+    if (m_mirror) {
+        v = m_geometry.vertexDataAsTexturedPoint2D();
+        for (int i=0; i<m_geometry.vertexCount(); ++i) {
+            v->x = m_targetRect.width() - v->x;
+            ++v;
+        }
+    }
 
 //    v = m_geometry.vertexDataAsTexturedPoint2D();
 //    for (int i=0; i<m_geometry.vertexCount(); ++i) {
diff --git a/src/declarative/items/qsgninepatchnode_p.h b/src/declarative/items/qsgninepatchnode_p.h
index ac927bce84..ef1686d528 100644
--- a/src/declarative/items/qsgninepatchnode_p.h
+++ b/src/declarative/items/qsgninepatchnode_p.h
@@ -75,6 +75,9 @@ public:
         return (QSGBorderImage::TileMode) m_verticalTileMode;
     }
 
+    void setMirror(bool m);
+    bool mirror() const { return m_mirror; }
+
     void update();
 
 private:
@@ -89,6 +92,7 @@ private:
     uint m_verticalTileMode : 2;
 
     uint m_dirtyGeometry : 1;
+    uint m_mirror : 1;
 };
 
 #endif // QSGNINEPATCHNODE_H