Move isValid/isCurrentColor from Color to StyleColor

Source/core/rendering/svg/SVGInlineTextBox.cpp

 /**
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 188 matching lines @@
     ASSERT(parentRenderer);
     ASSERT(!parentRenderer->document()->printing());
 
     // Determine whether or not we're selected.
     bool paintSelectedTextOnly = paintInfo.phase == PaintPhaseSelection;
     bool hasSelection = selectionState() != RenderObject::SelectionNone;
     if (!hasSelection || paintSelectedTextOnly)
         return;
 
     Color backgroundColor = renderer()->selectionBackgroundColor();
-    if (!backgroundColor.isValid() || !backgroundColor.alpha())
+    if (!backgroundColor.alpha())
         return;
 
     RenderSVGInlineText* textRenderer = toRenderSVGInlineText(this->textRenderer());
     ASSERT(textRenderer);
     if (!textShouldBePainted(textRenderer))
         return;
 
     RenderStyle* style = parentRenderer->style();
     ASSERT(style);
 
@@ skipping 128 matching lines @@
     ASSERT(!m_paintingResource);
 }
 
 bool SVGInlineTextBox::acquirePaintingResource(GraphicsContext*& context, float scalingFactor, RenderObject* renderer, RenderStyle* style)
 {
     ASSERT(scalingFactor);
     ASSERT(renderer);
     ASSERT(style);
     ASSERT(m_paintingResourceMode != ApplyToDefaultMode);
 
-    Color fallbackColor;
+    StyleColor fallbackColor;
     if (m_paintingResourceMode & ApplyToFillMode)
         m_paintingResource = RenderSVGResource::fillPaintingResource(renderer, style, fallbackColor);
     else if (m_paintingResourceMode & ApplyToStrokeMode)
         m_paintingResource = RenderSVGResource::strokePaintingResource(renderer, style, fallbackColor);
     else {
         // We're either called for stroking or filling.
         ASSERT_NOT_REACHED();
     }
 
     if (!m_paintingResource)
         return false;
 
     if (!m_paintingResource->applyResource(renderer, style, context, m_paintingResourceMode)) {
         if (fallbackColor.isValid()) {
             RenderSVGResourceSolidColor* fallbackResource = RenderSVGResource::sharedSolidPaintingResource();
-            fallbackResource->setColor(fallbackColor);
+            fallbackResource->setColor(fallbackColor.color());
 
             m_paintingResource = fallbackResource;
             m_paintingResource->applyResource(renderer, style, context, m_paintingResourceMode);
         }
     }
 
     if (scalingFactor != 1 && m_paintingResourceMode & ApplyToStrokeMode)
         context->setStrokeThickness(context->strokeThickness() * scalingFactor);
 
     return true;
@@ skipping 232 matching lines @@
         textOrigin.scale(scalingFactor, scalingFactor);
         textSize.scale(scalingFactor);
         context->save();
         context->scale(FloatSize(1 / scalingFactor, 1 / scalingFactor));
     }
 
     if (hasShadow) {
         DrawLooper drawLooper;
         do {
             FloatSize offset(shadow->x(), shadow->y());
-            drawLooper.addShadow(offset, shadow->blur(), shadow->color(),
+            drawLooper.addShadow(offset, shadow->blur(), textRenderer->resolveColor(shadow->color(), Color::stdShadowColor),
                 DrawLooper::ShadowRespectsTransforms, DrawLooper::ShadowRespectsAlpha);
         } while ((shadow = shadow->next()));
         drawLooper.addUnmodifiedContent();
         context->setDrawLooper(drawLooper);
     }
 
     if (prepareGraphicsContextForTextPainting(context, scalingFactor, textRun, style)) {
         TextRunPaintInfo textRunPaintInfo(textRun);
         textRunPaintInfo.from = startPosition;
         textRunPaintInfo.to = endPosition;
@@ skipping 90 matching lines @@
                 renderer()->updateHitTestResult(result, locationInContainer.point() - toLayoutSize(accumulatedOffset));
                 if (!result.addNodeToRectBasedTestResult(renderer()->node(), request, locationInContainer, rect))
                     return true;
              }
         }
     }
     return false;
 }
 
 } // namespace WebCore