Improved QPainter API for allowing native painting in GL / VG.

Previously we were using QPaintEngine::syncState() which is not ideal
naming-wise, since it actually prepares for native painting instead of
syncing the painter's state to native state.

Reviewed-by: Trond

2 files changed, 5 insertions, 3 deletions

diff --git a/examples/opengl/hellogl_es2/glwidget.cpp b/examples/opengl/hellogl_es2/glwidget.cpp
index 9a2a83e..50a7797 100644
--- a/examples/opengl/hellogl_es2/glwidget.cpp
+++ b/examples/opengl/hellogl_es2/glwidget.cpp
@@ -266,7 +266,7 @@ void GLWidget::paintGL()
     QPainter painter;
     painter.begin(this);
 
-    painter.paintEngine()->syncState();
+    painter.beginNativePainting();
 
     glClearColor(0.1f, 0.1f, 0.2f, 1.0f);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -302,6 +302,8 @@ void GLWidget::paintGL()
     glDisable(GL_DEPTH_TEST);
     glDisable(GL_CULL_FACE);
 
+    painter.endNativePainting();
+
     if (m_showBubbles)
         foreach (Bubble *bubble, bubbles) {
             bubble->drawBubble(&painter);
diff --git a/examples/openvg/star/starwidget.cpp b/examples/openvg/star/starwidget.cpp
index 1a64fc9..ab11bdb 100644
--- a/examples/openvg/star/starwidget.cpp
+++ b/examples/openvg/star/starwidget.cpp
@@ -91,7 +91,7 @@ void StarWidget::paintEvent(QPaintEvent *)
 
     // Flush the state changes to the OpenVG implementation
     // and prepare to perform raw OpenVG calls.
-    painter.paintEngine()->syncState();
+    painter.beginNativePainting();
 
     // Cache the path if we haven't already.
     if (path == VG_INVALID_HANDLE) {
@@ -109,7 +109,7 @@ void StarWidget::paintEvent(QPaintEvent *)
     vgDrawPath(path, VG_FILL_PATH | VG_STROKE_PATH);
 
     // Restore normal QPainter operations.
-    painter.paintEngine()->syncState();
+    painter.endNativePainting();
 
     painter.end();
 }