Add platform/geometry pretty printers for logging and testing

third_party/WebKit/Source/platform/geometry/FloatRoundedRect.cpp

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 14 matching lines @@
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "platform/geometry/FloatRoundedRect.h"
 
 #include "platform/geometry/FloatQuad.h"
 
 #include <algorithm>
-
-#ifndef NDEBUG
-#include <stdio.h>
-#endif
+#include <ostream> // NOLINT
 
 namespace blink {
 
 FloatRoundedRect::FloatRoundedRect(float x, float y, float width, float height)
     : m_rect(x, y, width, height)
 {
 }
 
 FloatRoundedRect::FloatRoundedRect(const FloatRect& rect, const Radii& radii)
     : m_rect(rect)
@@ skipping 84 matching lines @@
     if (m_bottomLeft.width() > 0 && m_bottomLeft.height() > 0) {
         m_bottomLeft.setWidth(m_bottomLeft.width() + leftWidth);
         m_bottomLeft.setHeight(m_bottomLeft.height() + bottomWidth);
     }
     if (m_bottomRight.width() > 0 && m_bottomRight.height() > 0) {
         m_bottomRight.setWidth(m_bottomRight.width() + rightWidth);
         m_bottomRight.setHeight(m_bottomRight.height() + bottomWidth);
     }
 }
 
-#ifndef NDEBUG
-void FloatRoundedRect::Radii::show() const
-{
-    fprintf(stderr, "topLeft=[%f,%f], topRight=[%f,%f], bottomLeft=[%f,%f], bottomRight=[%f,%f]\n",
-        topLeft().width(), topLeft().height(), topRight().width(), topRight().height(),
-        bottomLeft().width(), bottomLeft().height(), bottomRight().width(), bottomRight().height());
-}
-#endif
-
 static inline float cornerRectIntercept(float y, const FloatRect& cornerRect)
 {
     ASSERT(cornerRect.height() > 0);
     return cornerRect.width() * sqrt(1 - (y * y) / (cornerRect.height() * cornerRect.height()));
 }
 
 FloatRect FloatRoundedRect::radiusCenterRect() const
 {
     FloatRectOutsets maximumRadiusInsets(
         -std::max(m_radii.topLeft().height(), m_radii.topRight().height()),
@@ skipping 180 matching lines @@
 
     if (maxRadiusWidth <= 0 || maxRadiusHeight <= 0) {
         m_radii.scale(0.0f);
         return;
     }
     float widthRatio = static_cast<float>(m_rect.width()) / maxRadiusWidth;
     float heightRatio = static_cast<float>(m_rect.height()) / maxRadiusHeight;
     m_radii.scale(widthRatio < heightRatio ? widthRatio : heightRatio);
 }
 
-#ifndef NDEBUG
-void FloatRoundedRect::show() const
+std::ostream& operator<<(std::ostream& os, const FloatRoundedRect::Radii& radii)
 {
-    fprintf(stderr, "FloatRoundedRect:\n rect: ");
-    m_rect.show();
-    fprintf(stderr, " radii: ");
-    m_radii.show();
+    os << "FloatRoundedRect::Radii("
+        << "topLeft=" << radii.topLeft() << ", "
+        << "topRight=" << radii.topRight() << ", "
+        << "bottomLeft" << radii.bottomLeft() << ", "
+        << "bottomRight=" << radii.bottomRight() << ")";
+    return os;
 }
-#endif
+
+std::ostream& operator<<(std::ostream& os, const FloatRoundedRect& roundedRect)
+{
+    os << "FloatRoundedRect("
+        << "rect=" << roundedRect.rect() << ", "
+        << "radii=" << roundedRect.getRadii() << ")";
+    return os;
+}
 
 } // namespace blink