| /* |
| * Copyright (C) 2010 Apple Inc. 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. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, 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 "config.h" |
| #include "FindIndicator.h" |
| |
| #include "ShareableBitmap.h" |
| #include <WebCore/Gradient.h> |
| #include <WebCore/GraphicsContext.h> |
| #include <WebCore/IntRect.h> |
| #include <WebCore/Path.h> |
| |
| using namespace WebCore; |
| |
| static const float cornerRadius = 3.0; |
| |
| static const float shadowOffsetX = 0.0; |
| static const float shadowOffsetY = 1.0; |
| static const float shadowBlurRadius = 3.0; |
| |
| static const int shadowRed = 0; |
| static const int shadowGreen = 0; |
| static const int shadowBlue = 0; |
| static const int shadowAlpha = 204; |
| |
| static const float lightBorderThickness = 1.0; |
| static const float horizontalPaddingInsideLightBorder = 3.0; |
| static const float verticalPaddingInsideLightBorder = 1.0; |
| |
| static const float horizontalBorderInsideShadow = lightBorderThickness + horizontalPaddingInsideLightBorder; |
| static const float verticalBorderInsideShadow = lightBorderThickness + verticalPaddingInsideLightBorder; |
| |
| static const float leftBorderThickness = horizontalBorderInsideShadow + shadowOffsetX + shadowBlurRadius / 2.0; |
| static const float topBorderThickness = verticalBorderInsideShadow - shadowOffsetY + shadowBlurRadius / 2.0; |
| static const float rightBorderThickness = horizontalBorderInsideShadow - shadowOffsetX + shadowBlurRadius / 2.0; |
| static const float bottomBorderThickness = verticalBorderInsideShadow + shadowOffsetY + shadowBlurRadius / 2.0; |
| |
| static const float horizontalOutsetToCenterOfLightBorder = horizontalBorderInsideShadow - lightBorderThickness / 2.0; |
| static const float verticalOutsetToCenterOfLightBorder = verticalBorderInsideShadow - lightBorderThickness / 2.0; |
| |
| static const int lightBorderRed = 245; |
| static const int lightBorderGreen = 230; |
| static const int lightBorderBlue = 0; |
| static const int lightBorderAlpha = 255; |
| |
| static const int gradientDarkRed = 237; |
| static const int gradientDarkGreen = 204; |
| static const int gradientDarkBlue = 0; |
| static const int gradientDarkAlpha = 255; |
| |
| static const int gradientLightRed = 242; |
| static const int gradientLightGreen = 239; |
| static const int gradientLightBlue = 0; |
| static const int gradientLightAlpha = 255; |
| |
| namespace WebKit { |
| |
| PassRefPtr<FindIndicator> FindIndicator::create(const FloatRect& selectionRectInWindowCoordinates, const Vector<FloatRect>& textRectsInSelectionRectCoordinates, const SharedMemory::Handle& contentImageHandle) |
| { |
| RefPtr<ShareableBitmap> contentImage = ShareableBitmap::create(enclosingIntRect(selectionRectInWindowCoordinates).size(), contentImageHandle); |
| if (!contentImage) |
| return 0; |
| |
| return adoptRef(new FindIndicator(selectionRectInWindowCoordinates, textRectsInSelectionRectCoordinates, contentImage.release())); |
| } |
| |
| FindIndicator::FindIndicator(const WebCore::FloatRect& selectionRectInWindowCoordinates, const Vector<WebCore::FloatRect>& textRectsInSelectionRectCoordinates, PassRefPtr<ShareableBitmap> contentImage) |
| : m_selectionRectInWindowCoordinates(selectionRectInWindowCoordinates) |
| , m_textRectsInSelectionRectCoordinates(textRectsInSelectionRectCoordinates) |
| , m_contentImage(contentImage) |
| { |
| } |
| |
| FindIndicator::~FindIndicator() |
| { |
| } |
| |
| static FloatRect inflateRect(const FloatRect& rect, float inflateX, float inflateY) |
| { |
| FloatRect inflatedRect = rect; |
| inflatedRect.inflateX(inflateX); |
| inflatedRect.inflateY(inflateY); |
| |
| return inflatedRect; |
| } |
| |
| FloatRect FindIndicator::frameRect() const |
| { |
| return FloatRect(m_selectionRectInWindowCoordinates.x() - leftBorderThickness, m_selectionRectInWindowCoordinates.y() - topBorderThickness, |
| m_selectionRectInWindowCoordinates.width() + rightBorderThickness + leftBorderThickness, |
| m_selectionRectInWindowCoordinates.height() + topBorderThickness + bottomBorderThickness); |
| } |
| |
| static Color lightBorderColor() |
| { |
| return Color(lightBorderRed, lightBorderGreen, lightBorderBlue, lightBorderAlpha); |
| } |
| |
| static Color shadowColor() |
| { |
| return Color(shadowRed, shadowGreen, shadowBlue, shadowAlpha); |
| } |
| |
| static Color gradientLightColor() |
| { |
| return Color(gradientLightRed, gradientLightGreen, gradientLightBlue, gradientLightAlpha); |
| } |
| |
| static Color gradientDarkColor() |
| { |
| return Color(gradientDarkRed, gradientDarkGreen, gradientDarkBlue, gradientDarkAlpha); |
| } |
| |
| static Path pathWithRoundedRect(const FloatRect& pathRect, float radius) |
| { |
| Path path; |
| path.addRoundedRect(pathRect, FloatSize(radius, radius)); |
| |
| return path; |
| } |
| |
| void FindIndicator::draw(GraphicsContext& graphicsContext, const IntRect& dirtyRect) |
| { |
| for (size_t i = 0; i < m_textRectsInSelectionRectCoordinates.size(); ++i) { |
| FloatRect textRect = m_textRectsInSelectionRectCoordinates[i]; |
| textRect.move(leftBorderThickness, topBorderThickness); |
| |
| graphicsContext.save(); |
| FloatRect outerPathRect = inflateRect(textRect, horizontalOutsetToCenterOfLightBorder, verticalOutsetToCenterOfLightBorder); |
| graphicsContext.setShadow(FloatSize(shadowOffsetX, shadowOffsetY), shadowBlurRadius, shadowColor(), ColorSpaceSRGB); |
| graphicsContext.setFillColor(lightBorderColor(), ColorSpaceDeviceRGB); |
| graphicsContext.fillPath(pathWithRoundedRect(outerPathRect, cornerRadius)); |
| graphicsContext.restore(); |
| |
| graphicsContext.save(); |
| FloatRect innerPathRect = inflateRect(textRect, horizontalPaddingInsideLightBorder, verticalPaddingInsideLightBorder); |
| graphicsContext.clip(pathWithRoundedRect(innerPathRect, cornerRadius)); |
| RefPtr<Gradient> gradient = Gradient::create(FloatPoint(innerPathRect.x(), innerPathRect.y()), FloatPoint(innerPathRect.x(), innerPathRect.maxY())); |
| gradient->addColorStop(0, gradientLightColor()); |
| gradient->addColorStop(1, gradientDarkColor()); |
| graphicsContext.setFillGradient(gradient); |
| graphicsContext.fillRect(outerPathRect); |
| graphicsContext.restore(); |
| |
| graphicsContext.save(); |
| graphicsContext.translate(FloatSize(roundf(leftBorderThickness), roundf(topBorderThickness))); |
| m_contentImage->paint(graphicsContext, IntPoint(0, 0), m_contentImage->bounds()); |
| graphicsContext.restore(); |
| } |
| } |
| |
| } // namespace WebKit |