diff options
Diffstat (limited to 'WebCore/platform/graphics/filters/FEOffset.cpp')
| -rw-r--r-- | WebCore/platform/graphics/filters/FEOffset.cpp | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/WebCore/platform/graphics/filters/FEOffset.cpp b/WebCore/platform/graphics/filters/FEOffset.cpp index ea84cf0..6ca56aa 100644 --- a/WebCore/platform/graphics/filters/FEOffset.cpp +++ b/WebCore/platform/graphics/filters/FEOffset.cpp @@ -3,6 +3,7 @@ * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> * Copyright (C) 2005 Eric Seidel <eric@webkit.org> * Copyright (C) 2009 Dirk Schulze <krit@webkit.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 @@ -62,6 +63,14 @@ void FEOffset::setDy(float dy) m_dy = dy; } +void FEOffset::determineAbsolutePaintRect(Filter* filter) +{ + FloatRect paintRect = inputEffect(0)->absolutePaintRect(); + paintRect.move(filter->applyHorizontalScale(m_dx), filter->applyVerticalScale(m_dy)); + paintRect.intersect(maxEffectRect()); + setAbsolutePaintRect(enclosingIntRect(paintRect)); +} + void FEOffset::apply(Filter* filter) { FilterEffect* in = inputEffect(0); @@ -69,28 +78,15 @@ void FEOffset::apply(Filter* filter) if (!in->resultImage()) return; - GraphicsContext* filterContext = effectContext(); + GraphicsContext* filterContext = effectContext(filter); if (!filterContext) return; setIsAlphaImage(in->isAlphaImage()); - FloatRect sourceImageRect = filter->sourceImageRect(); - sourceImageRect.scale(filter->filterResolution().width(), filter->filterResolution().height()); - - if (filter->effectBoundingBoxMode()) { - m_dx *= sourceImageRect.width(); - m_dy *= sourceImageRect.height(); - } - m_dx *= filter->filterResolution().width(); - m_dy *= filter->filterResolution().height(); - - FloatRect dstRect = FloatRect(m_dx + in->repaintRectInLocalCoordinates().x() - repaintRectInLocalCoordinates().x(), - m_dy + in->repaintRectInLocalCoordinates().y() - repaintRectInLocalCoordinates().y(), - in->repaintRectInLocalCoordinates().width(), - in->repaintRectInLocalCoordinates().height()); - - filterContext->drawImageBuffer(in->resultImage(), DeviceColorSpace, dstRect); + FloatRect drawingRegion = drawingRegionOfInputImage(in->absolutePaintRect()); + drawingRegion.move(filter->applyHorizontalScale(m_dx), filter->applyVerticalScale(m_dy)); + filterContext->drawImageBuffer(in->resultImage(), ColorSpaceDeviceRGB, drawingRegion); } void FEOffset::dump() |