bool RenderThemeGtk::paintMediaSliderTrack(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
{
    GraphicsContext* context = paintInfo.context;

    context->fillRect(FloatRect(r), m_panelColor, DeviceColorSpace);
    context->fillRect(FloatRect(IntRect(r.x(), r.y() + (r.height() - m_mediaSliderHeight) / 2,
                                        r.width(), m_mediaSliderHeight)), m_sliderColor, DeviceColorSpace);

    RenderStyle* style = o->style();
    HTMLMediaElement* mediaElement = toParentMediaElement(o);

    if (!mediaElement)
        return false;

    // Draw the buffered ranges. This code is highly inspired from
    // Chrome for the gradient code.
    float mediaDuration = mediaElement->duration();
    RefPtr<TimeRanges> timeRanges = mediaElement->buffered();
    IntRect trackRect = r;
    int totalWidth = trackRect.width();

    trackRect.inflate(-style->borderLeftWidth());
    context->save();
    context->setStrokeStyle(NoStroke);

    for (unsigned index = 0; index < timeRanges->length(); ++index) {
        ExceptionCode ignoredException;
        float start = timeRanges->start(index, ignoredException);
        float end = timeRanges->end(index, ignoredException);
        int width = ((end - start) * totalWidth) / mediaDuration;
        IntRect rangeRect;
        if (!index) {
            rangeRect = trackRect;
            rangeRect.setWidth(width);
        } else {
            rangeRect.setLocation(IntPoint((start * totalWidth) / mediaDuration, trackRect.y()));
            rangeRect.setSize(IntSize(width, trackRect.height()));
        }

        // Don't bother drawing empty range.
        if (rangeRect.isEmpty())
            continue;

        IntPoint sliderTopLeft = rangeRect.location();
        IntPoint sliderTopRight = sliderTopLeft;
        sliderTopRight.move(0, rangeRect.height());

        RefPtr<Gradient> gradient = Gradient::create(sliderTopLeft, sliderTopRight);
        Color startColor = m_panelColor;
        gradient->addColorStop(0.0, startColor);
        gradient->addColorStop(1.0, Color(startColor.red() / 2, startColor.green() / 2, startColor.blue() / 2, startColor.alpha()));

        context->setFillGradient(gradient);
        context->fillRect(rangeRect);
    }

    context->restore();
    return false;
}
static bool isDeletableElement(const Node* node)
{
    if (!node || !node->isHTMLElement() || !node->inDocument() || !node->rendererIsEditable())
        return false;

    // In general we want to only draw the UI around object of a certain area, but we still keep the min width/height to
    // make sure we don't end up with very thin or very short elements getting the UI.
    const int minimumArea = 2500;
    const int minimumWidth = 48;
    const int minimumHeight = 16;
    const unsigned minimumVisibleBorders = 1;

    RenderObject* renderer = node->renderer();
    if (!renderer || !renderer->isBox())
        return false;

    // Disallow the body element since it isn't practical to delete, and the deletion UI would be clipped.
    if (node->hasTagName(bodyTag))
        return false;

    // Disallow elements with any overflow clip, since the deletion UI would be clipped as well. <rdar://problem/6840161>
    if (renderer->hasOverflowClip())
        return false;

    // Disallow Mail blockquotes since the deletion UI would get in the way of editing for these.
    if (isMailBlockquote(node))
        return false;

    RenderBox* box = toRenderBox(renderer);
    IntRect borderBoundingBox = box->borderBoundingBox();
    if (borderBoundingBox.width() < minimumWidth || borderBoundingBox.height() < minimumHeight)
        return false;

    if ((borderBoundingBox.width() * borderBoundingBox.height()) < minimumArea)
        return false;

    if (renderer->isTable())
        return true;

    if (node->hasTagName(ulTag) || node->hasTagName(olTag) || node->hasTagName(iframeTag))
        return true;

    if (renderer->isPositioned())
        return true;

    if (renderer->isRenderBlock() && !renderer->isTableCell()) {
        RenderStyle* style = renderer->style();
        if (!style)
            return false;

        // Allow blocks that have background images
        if (style->hasBackgroundImage()) {
            for (const FillLayer* background = style->backgroundLayers(); background; background = background->next()) {
                if (background->image() && background->image()->canRender(1))
                    return true;
            }
        }

        // Allow blocks with a minimum number of non-transparent borders
        unsigned visibleBorders = style->borderTop().isVisible() + style->borderBottom().isVisible() + style->borderLeft().isVisible() + style->borderRight().isVisible();
        if (visibleBorders >= minimumVisibleBorders)
            return true;

        // Allow blocks that have a different background from it's parent
        ContainerNode* parentNode = node->parentNode();
        if (!parentNode)
            return false;

        RenderObject* parentRenderer = parentNode->renderer();
        if (!parentRenderer)
            return false;

        RenderStyle* parentStyle = parentRenderer->style();
        if (!parentStyle)
            return false;

        if (renderer->hasBackground() && (!parentRenderer->hasBackground() || style->visitedDependentColor(CSSPropertyBackgroundColor) != parentStyle->visitedDependentColor(CSSPropertyBackgroundColor)))
            return true;
    }

    return false;
}
Пример #3
0
static IntPoint innerBottomRight(const IntRect& rect)
{
    // Actually, the rect does not contain rect.maxX(). Refer to IntRect::contain.
    return IntPoint(rect.maxX() - 1, rect.maxY() - 1);
}
Пример #4
0
IntRect PageClientImpl::rootViewToScreen(const IntRect& rect)
{
    return IntRect(convertWidgetPointToScreenPoint(m_viewWidget, rect.location()), rect.size());
}
Пример #5
0
FloatRect::FloatRect(const IntRect& r)
    : m_location(r.location()), m_size(r.size()) {}
Пример #6
0
// FIXME: This doesn't behave correctly for floating or positioned images, but WebCore doesn't handle those well
// during selection creation yet anyway.
// FIXME: We can't tell whether or not we contain the start or end of the selected Range using only the offsets
// of the start and end, we need to know the whole Position.
void RenderImage::collectSelectionRects(Vector<SelectionRect>& rects, unsigned, unsigned)
{
    RenderBlock* containingBlock = this->containingBlock();

    IntRect imageRect;
    // FIXME: It doesn't make sense to package line bounds into SelectionRects. We should find
    // the right and left extent of the selection once for the entire selected Range, perhaps
    // using the Range's common ancestor.
    IntRect lineExtentRect;
    bool isFirstOnLine = false;
    bool isLastOnLine = false;

    InlineBox* inlineBox = inlineBoxWrapper();
    if (!inlineBox) {
        // This is a block image.
        imageRect = IntRect(0, 0, width(), height());
        isFirstOnLine = true;
        isLastOnLine = true;
        lineExtentRect = imageRect;
        if (containingBlock->isHorizontalWritingMode()) {
            lineExtentRect.setX(containingBlock->x());
            lineExtentRect.setWidth(containingBlock->width());
        } else {
            lineExtentRect.setY(containingBlock->y());
            lineExtentRect.setHeight(containingBlock->height());
        }
    } else {
        LayoutUnit selectionTop = !containingBlock->style().isFlippedBlocksWritingMode() ? inlineBox->root().selectionTop() - logicalTop() : logicalBottom() - inlineBox->root().selectionBottom();
        imageRect = IntRect(0,  selectionTop, logicalWidth(), inlineBox->root().selectionHeight());
        isFirstOnLine = !inlineBox->previousOnLineExists();
        isLastOnLine = !inlineBox->nextOnLineExists();
        LogicalSelectionOffsetCaches cache(*containingBlock);
        LayoutUnit leftOffset = containingBlock->logicalLeftSelectionOffset(*containingBlock, inlineBox->logicalTop(), cache);
        LayoutUnit rightOffset = containingBlock->logicalRightSelectionOffset(*containingBlock, inlineBox->logicalTop(), cache);
        lineExtentRect = IntRect(leftOffset - logicalLeft(), imageRect.y(), rightOffset - leftOffset, imageRect.height());
        if (!inlineBox->isHorizontal()) {
            imageRect = imageRect.transposedRect();
            lineExtentRect = lineExtentRect.transposedRect();
        }
    }

    bool isFixed = false;
    IntRect absoluteBounds = localToAbsoluteQuad(FloatRect(imageRect), UseTransforms, &isFixed).enclosingBoundingBox();
    IntRect lineExtentBounds = localToAbsoluteQuad(FloatRect(lineExtentRect)).enclosingBoundingBox();
    if (!containingBlock->isHorizontalWritingMode())
        lineExtentBounds = lineExtentBounds.transposedRect();

    // FIXME: We should consider either making SelectionRect a struct or better organize its optional fields into
    // an auxiliary struct to simplify its initialization.
    rects.append(SelectionRect(absoluteBounds, containingBlock->style().direction(), lineExtentBounds.x(), lineExtentBounds.maxX(), lineExtentBounds.maxY(), 0, false /* line break */, isFirstOnLine, isLastOnLine, false /* contains start */, false /* contains end */, containingBlock->style().isHorizontalWritingMode(), isFixed, false /* ruby text */, view().pageNumberForBlockProgressionOffset(absoluteBounds.x())));
}
Пример #7
0
bool Surface::blitFromContents(Tile* tile)
{
    if (!singleLayer() || !tile || !getFirstLayer() || !getFirstLayer()->content())
        return false;

    if (tile->frontTexture() != tile->lastDrawnTexture()) {
        // the below works around an issue where glTexSubImage2d can't update a
        // texture that hasn't drawn yet by drawing it off screen.
        // glFlush() and glFinish() work also, but are likely more wasteful.
        SkRect rect = SkRect::MakeXYWH(-100, -100, 0, 0);
        FloatRect fillPortion(0, 0, 0, 0);
        tile->frontTexture()->drawGL(false, rect, 1.0f, 0, false, true, fillPortion);
    }
    LayerContent* content = getFirstLayer()->content();
    // Extract the dirty rect from the region. Note that this is *NOT* constrained
    // to this tile
    IntRect dirtyRect = tile->dirtyArea().getBounds();
    IntRect tileRect = IntRect(tile->x() * TilesManager::tileWidth(),
                               tile->y() * TilesManager::tileHeight(),
                               TilesManager::tileWidth(),
                               TilesManager::tileHeight());
    FloatRect tileRectInDoc = tileRect;
    tileRectInDoc.scale(1 / tile->scale());
    dirtyRect.intersect(enclosingIntRect(tileRectInDoc));
    PrerenderedInval* prerenderedInval = content->prerenderForRect(dirtyRect);
    if (!prerenderedInval || prerenderedInval->bitmap.isNull())
        return false;
    SkBitmap sourceBitmap = prerenderedInval->bitmap;
    // Calculate the screen rect that is dirty, then intersect it with the
    // tile's screen rect so that we end up with the pixels we need to blit
    FloatRect screenDirty = dirtyRect;
    screenDirty.scale(tile->scale());
    IntRect enclosingScreenDirty = enclosingIntRect(screenDirty);
    enclosingScreenDirty.intersect(tileRect);
    if (enclosingScreenDirty.isEmpty())
        return false;
    // Make sure the screen area we want to blit is contained by the
    // prerendered screen area
    if (!prerenderedInval->screenArea.contains(enclosingScreenDirty)) {
        ALOGD("prerendered->screenArea " INT_RECT_FORMAT " doesn't contain "
                "enclosingScreenDirty " INT_RECT_FORMAT,
                INT_RECT_ARGS(prerenderedInval->screenArea),
                INT_RECT_ARGS(enclosingScreenDirty));
        return false;
    }
    IntPoint origin = prerenderedInval->screenArea.location();
    SkBitmap subset;
    subset.setConfig(sourceBitmap.config(), enclosingScreenDirty.width(),
            enclosingScreenDirty.height());
    subset.allocPixels();

    int topOffset = enclosingScreenDirty.y() - prerenderedInval->screenArea.y();
    int leftOffset = enclosingScreenDirty.x() - prerenderedInval->screenArea.x();
    if (!GLUtils::deepCopyBitmapSubset(sourceBitmap, subset, leftOffset, topOffset))
        return false;
    // Now upload
    SkIRect textureInval = SkIRect::MakeXYWH(enclosingScreenDirty.x() - tileRect.x(),
                                             enclosingScreenDirty.y() - tileRect.y(),
                                             enclosingScreenDirty.width(),
                                             enclosingScreenDirty.height());
    GLUtils::updateTextureWithBitmap(tile->frontTexture()->m_ownTextureId,
                                     subset, textureInval);
    tile->onBlitUpdate();
    return true;
}
Пример #8
0
bool RenderThemeWin::paintSearchFieldCancelButton(RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)
{
    IntRect bounds = r;
    ASSERT(o->parent());
    if (!o->parent() || !o->parent()->isBox())
        return false;
    
    RenderBox* parentRenderBox = toRenderBox(o->parent());

    IntRect parentBox = parentRenderBox->absoluteContentBox();
    
    // Make sure the scaled button stays square and will fit in its parent's box
    bounds.setHeight(min(parentBox.width(), min(parentBox.height(), bounds.height())));
    bounds.setWidth(bounds.height());

    // Center the button vertically.  Round up though, so if it has to be one pixel off-center, it will
    // be one pixel closer to the bottom of the field.  This tends to look better with the text.
    bounds.setY(parentBox.y() + (parentBox.height() - bounds.height() + 1) / 2);

    static Image* cancelImage = Image::loadPlatformResource("searchCancel").releaseRef();
    static Image* cancelPressedImage = Image::loadPlatformResource("searchCancelPressed").releaseRef();
    paintInfo.context->drawImage(isPressed(o) ? cancelPressedImage : cancelImage, o->style()->colorSpace(), bounds);
    return false;
}
Пример #9
0
// addFocusRingRects is called from paintOutline and needs to be in the same coordinates as the paintOuline call
void RenderSVGContainer::addFocusRingRects(Vector<IntRect>& rects, const LayoutPoint&, const RenderLayerModelObject*)
{
    IntRect paintRectInParent = enclosingIntRect(localToParentTransform().mapRect(repaintRectInLocalCoordinates()));
    if (!paintRectInParent.isEmpty())
        rects.append(paintRectInParent);
}
bool ScrollbarThemeComposite::paint(ScrollbarThemeClient* scrollbar, GraphicsContext* graphicsContext, const IntRect& damageRect)
{
    // Create the ScrollbarControlPartMask based on the damageRect
    ScrollbarControlPartMask scrollMask = NoPart;

    IntRect backButtonStartPaintRect;
    IntRect backButtonEndPaintRect;
    IntRect forwardButtonStartPaintRect;
    IntRect forwardButtonEndPaintRect;
    if (hasButtons(scrollbar)) {
        backButtonStartPaintRect = backButtonRect(scrollbar, BackButtonStartPart, true);
        if (damageRect.intersects(backButtonStartPaintRect))
            scrollMask |= BackButtonStartPart;
        backButtonEndPaintRect = backButtonRect(scrollbar, BackButtonEndPart, true);
        if (damageRect.intersects(backButtonEndPaintRect))
            scrollMask |= BackButtonEndPart;
        forwardButtonStartPaintRect = forwardButtonRect(scrollbar, ForwardButtonStartPart, true);
        if (damageRect.intersects(forwardButtonStartPaintRect))
            scrollMask |= ForwardButtonStartPart;
        forwardButtonEndPaintRect = forwardButtonRect(scrollbar, ForwardButtonEndPart, true);
        if (damageRect.intersects(forwardButtonEndPaintRect))
            scrollMask |= ForwardButtonEndPart;
    }

    IntRect startTrackRect;
    IntRect thumbRect;
    IntRect endTrackRect;
    IntRect trackPaintRect = trackRect(scrollbar, true);
    if (damageRect.intersects(trackPaintRect))
        scrollMask |= TrackBGPart;
    bool thumbPresent = hasThumb(scrollbar);
    if (thumbPresent) {
        IntRect track = trackRect(scrollbar);
        splitTrack(scrollbar, track, startTrackRect, thumbRect, endTrackRect);
        if (damageRect.intersects(thumbRect))
            scrollMask |= ThumbPart;
        if (damageRect.intersects(startTrackRect))
            scrollMask |= BackTrackPart;
        if (damageRect.intersects(endTrackRect))
            scrollMask |= ForwardTrackPart;
    }

    // Paint the scrollbar background (only used by custom CSS scrollbars).
    paintScrollbarBackground(graphicsContext, scrollbar);

    // Paint the back and forward buttons.
    if (scrollMask & BackButtonStartPart)
        paintButton(graphicsContext, scrollbar, backButtonStartPaintRect, BackButtonStartPart);
    if (scrollMask & BackButtonEndPart)
        paintButton(graphicsContext, scrollbar, backButtonEndPaintRect, BackButtonEndPart);
    if (scrollMask & ForwardButtonStartPart)
        paintButton(graphicsContext, scrollbar, forwardButtonStartPaintRect, ForwardButtonStartPart);
    if (scrollMask & ForwardButtonEndPart)
        paintButton(graphicsContext, scrollbar, forwardButtonEndPaintRect, ForwardButtonEndPart);
    
    if (scrollMask & TrackBGPart)
        paintTrackBackground(graphicsContext, scrollbar, trackPaintRect);
    
    if ((scrollMask & ForwardTrackPart) || (scrollMask & BackTrackPart)) {
        // Paint the track pieces above and below the thumb.
        if (scrollMask & BackTrackPart)
            paintTrackPiece(graphicsContext, scrollbar, startTrackRect, BackTrackPart);
        if (scrollMask & ForwardTrackPart)
            paintTrackPiece(graphicsContext, scrollbar, endTrackRect, ForwardTrackPart);

        paintTickmarks(graphicsContext, scrollbar, trackPaintRect);
    }

    // Paint the thumb.
    if (scrollMask & ThumbPart)
        paintThumb(graphicsContext, scrollbar, thumbRect);

    return true;
}
Пример #11
0
PassRefPtr<Uint8ClampedArray> getImageData(const IntRect& rect, SkCanvas* canvas,
                                   const IntSize& size)
{
    float area = 4.0f * rect.width() * rect.height();
    if (area > static_cast<float>(std::numeric_limits<int>::max()))
        return 0;

    RefPtr<Uint8ClampedArray> result = Uint8ClampedArray::createUninitialized(rect.width() * rect.height() * 4);

    unsigned char* data = result->data();

    if (rect.x() < 0
        || rect.y() < 0
        || rect.maxX() > size.width()
        || rect.maxY() > size.height())
        result->zeroFill();

    unsigned destBytesPerRow = 4 * rect.width();
    SkBitmap destBitmap;
    destBitmap.setConfig(SkBitmap::kARGB_8888_Config, rect.width(), rect.height(), destBytesPerRow);
    destBitmap.setPixels(data);

    SkCanvas::Config8888 config8888;
    if (multiplied == Premultiplied)
        config8888 = SkCanvas::kRGBA_Premul_Config8888;
    else
        config8888 = SkCanvas::kRGBA_Unpremul_Config8888;

    canvas->readPixels(&destBitmap, rect.x(), rect.y(), config8888);
    return result.release();
}
int ScrollbarThemeComposite::trackLength(ScrollbarThemeClient* scrollbar)
{
    IntRect constrainedTrackRect = constrainTrackRectToTrackPieces(scrollbar, trackRect(scrollbar));
    return (scrollbar->orientation() == HorizontalScrollbar) ? constrainedTrackRect.width() : constrainedTrackRect.height();
}
int ScrollbarThemeComposite::trackPosition(ScrollbarThemeClient* scrollbar)
{
    IntRect constrainedTrackRect = constrainTrackRectToTrackPieces(scrollbar, trackRect(scrollbar));
    return (scrollbar->orientation() == HorizontalScrollbar) ? constrainedTrackRect.x() - scrollbar->x() : constrainedTrackRect.y() - scrollbar->y();
}
void ScrollbarThemeComposite::splitTrack(ScrollbarThemeClient* scrollbar, const IntRect& unconstrainedTrackRect, IntRect& beforeThumbRect, IntRect& thumbRect, IntRect& afterThumbRect)
{
    // This function won't even get called unless we're big enough to have some combination of these three rects where at least
    // one of them is non-empty.
    IntRect trackRect = constrainTrackRectToTrackPieces(scrollbar, unconstrainedTrackRect);
    int thickness = scrollbar->orientation() == HorizontalScrollbar ? scrollbar->height() : scrollbar->width();
    int thumbPos = thumbPosition(scrollbar);
    if (scrollbar->orientation() == HorizontalScrollbar) {
        thumbRect = IntRect(trackRect.x() + thumbPos, trackRect.y() + (trackRect.height() - thickness) / 2, thumbLength(scrollbar), thickness); 
        beforeThumbRect = IntRect(trackRect.x(), trackRect.y(), thumbPos + thumbRect.width() / 2, trackRect.height()); 
        afterThumbRect = IntRect(trackRect.x() + beforeThumbRect.width(), trackRect.y(), trackRect.maxX() - beforeThumbRect.maxX(), trackRect.height());
    } else {
        thumbRect = IntRect(trackRect.x() + (trackRect.width() - thickness) / 2, trackRect.y() + thumbPos, thickness, thumbLength(scrollbar));
        beforeThumbRect = IntRect(trackRect.x(), trackRect.y(), trackRect.width(), thumbPos + thumbRect.height() / 2); 
        afterThumbRect = IntRect(trackRect.x(), trackRect.y() + beforeThumbRect.height(), trackRect.width(), trackRect.maxY() - beforeThumbRect.maxY());
    }
}
Пример #15
0
void ScrollView::paint(GraphicsContext* context, const IntRect& rect)
{
    if (platformWidget()) {
        Widget::paint(context, rect);
        return;
    }

    if (context->paintingDisabled() && !context->updatingControlTints())
        return;

    IntRect documentDirtyRect = rect;
    documentDirtyRect.intersect(frameRect());

    context->save();

    context->translate(x(), y());
    documentDirtyRect.move(-x(), -y());

    context->translate(-scrollX(), -scrollY());
    documentDirtyRect.move(scrollX(), scrollY());

    context->clip(visibleContentRect());

    paintContents(context, documentDirtyRect);

    context->restore();

    // Now paint the scrollbars.
    if (!m_scrollbarsSuppressed && (m_horizontalScrollbar || m_verticalScrollbar)) {
        context->save();
        IntRect scrollViewDirtyRect = rect;
        scrollViewDirtyRect.intersect(frameRect());
        context->translate(x(), y());
        scrollViewDirtyRect.move(-x(), -y());
        if (m_horizontalScrollbar)
            m_horizontalScrollbar->paint(context, scrollViewDirtyRect);
        if (m_verticalScrollbar)
            m_verticalScrollbar->paint(context, scrollViewDirtyRect);

        IntRect hCorner;
        if (m_horizontalScrollbar && width() - m_horizontalScrollbar->width() > 0) {
            hCorner = IntRect(m_horizontalScrollbar->width(),
                              height() - m_horizontalScrollbar->height(),
                              width() - m_horizontalScrollbar->width(),
                              m_horizontalScrollbar->height());
            if (hCorner.intersects(scrollViewDirtyRect))
                ScrollbarTheme::nativeTheme()->paintScrollCorner(this, context, hCorner);
        }

        if (m_verticalScrollbar && height() - m_verticalScrollbar->height() > 0) {
            IntRect vCorner(width() - m_verticalScrollbar->width(),
                            m_verticalScrollbar->height(),
                            m_verticalScrollbar->width(),
                            height() - m_verticalScrollbar->height());
            if (vCorner != hCorner && vCorner.intersects(scrollViewDirtyRect))
                ScrollbarTheme::nativeTheme()->paintScrollCorner(this, context, vCorner);
        }

        context->restore();
    }

    // Paint the panScroll Icon
    if (m_drawPanScrollIcon) {
        DEFINE_STATIC_LOCAL(RefPtr<Image>, panScrollIcon, (Image::loadPlatformResource("panIcon")));
        context->drawImage(panScrollIcon.get(), m_panScrollIconPoint);
    }
}
Пример #16
0
void GraphicsContext::addRoundedRectClip(const IntRect& rect, const IntSize& topLeft,
                                         const IntSize& topRight, const IntSize& bottomLeft,
                                         const IntSize& bottomRight)
{
    if (paintingDisabled())
        return;

    // Need sufficient width and height to contain these curves.  Sanity check our top/bottom
    // values and our width/height values to make sure the curves can all fit.
    int requiredWidth = qMax(topLeft.width() + topRight.width(), bottomLeft.width() + bottomRight.width());
    if (requiredWidth > rect.width())
        return;

    int requiredHeight = qMax(topLeft.height() + bottomLeft.height(), topRight.height() + bottomRight.height());
    if (requiredHeight > rect.height())
        return;

    // Clip to our rect.
    clip(rect);

    // OK, the curves can fit.
    QPainterPath path;

    // Add the four ellipses to the path.  Technically this really isn't good enough, since we could end up
    // not clipping the other 3/4 of the ellipse we don't care about.  We're relying on the fact that for
    // normal use cases these ellipses won't overlap one another (or when they do the curvature of one will
    // be subsumed by the other).
    path.addEllipse(QRectF(rect.x(), rect.y(), topLeft.width() * 2, topLeft.height() * 2));
    path.addEllipse(QRectF(rect.right() - topRight.width() * 2, rect.y(),
                           topRight.width() * 2, topRight.height() * 2));
    path.addEllipse(QRectF(rect.x(), rect.bottom() - bottomLeft.height() * 2,
                           bottomLeft.width() * 2, bottomLeft.height() * 2));
    path.addEllipse(QRectF(rect.right() - bottomRight.width() * 2,
                           rect.bottom() - bottomRight.height() * 2,
                           bottomRight.width() * 2, bottomRight.height() * 2));

    int topLeftRightHeightMax = qMax(topLeft.height(), topRight.height());
    int bottomLeftRightHeightMax = qMax(bottomLeft.height(), bottomRight.height());

    int topBottomLeftWidthMax = qMax(topLeft.width(), bottomLeft.width());
    int topBottomRightWidthMax = qMax(topRight.width(), bottomRight.width());

    // Now add five rects (one for each edge rect in between the rounded corners and one for the interior).
    path.addRect(QRectF(rect.x() + topLeft.width(),
                        rect.y(),
                        rect.width() - topLeft.width() - topRight.width(),
                        topLeftRightHeightMax));

    path.addRect(QRectF(rect.x() + bottomLeft.width(), rect.bottom() - bottomLeftRightHeightMax,
                        rect.width() - bottomLeft.width() - bottomRight.width(), bottomLeftRightHeightMax));

    path.addRect(QRectF(rect.x(),
                        rect.y() + topLeft.height(),
                        topBottomLeftWidthMax,
                        rect.height() - topLeft.height() - bottomLeft.height()));

    path.addRect(QRectF(rect.right() - topBottomRightWidthMax,
                        rect.y() + topRight.height(),
                        topBottomRightWidthMax,
                        rect.height() - topRight.height() - bottomRight.height()));

    path.addRect(QRectF(rect.x() + topBottomLeftWidthMax,
                        rect.y() + topLeftRightHeightMax,
                        rect.width() - topBottomLeftWidthMax - topBottomRightWidthMax,
                        rect.height() - topLeftRightHeightMax - bottomLeftRightHeightMax));

    path.setFillRule(Qt::WindingFill);
    m_data->p().setClipPath(path, Qt::IntersectClip);
}
Пример #17
0
void Renderer::setViewport(const IntRect& rect)
{
    return setViewport(rect.left, rect.bottom, rect.width(), rect.height());
}
Пример #18
0
void RenderSVGModelObject::absoluteRects(Vector<IntRect>& rects, const LayoutPoint& accumulatedOffset) const
{
    IntRect rect = enclosingIntRect(strokeBoundingBox());
    rect.moveBy(roundedIntPoint(accumulatedOffset));
    rects.append(rect);
}
IntPoint AccessibilityObject::clickPoint() const
{
    IntRect rect = elementRect();
    return IntPoint(rect.x() + rect.width() / 2, rect.y() + rect.height() / 2);
}
PassRefPtr<ImageData> getImageData(const IntRect& rect, const SkBitmap& bitmap, 
                                   const IntSize& size)
{
    RefPtr<ImageData> result = ImageData::create(rect.width(), rect.height());

    if (bitmap.config() == SkBitmap::kNo_Config) {
        // This is an empty SkBitmap that could not be configured.
        ASSERT(!size.width() || !size.height());
        return result;
    }

    unsigned char* data = result->data()->data()->data();

    if (rect.x() < 0 || rect.y() < 0 ||
        (rect.x() + rect.width()) > size.width() ||
        (rect.y() + rect.height()) > size.height())
        memset(data, 0, result->data()->length());

    int originX = rect.x();
    int destX = 0;
    if (originX < 0) {
        destX = -originX;
        originX = 0;
    }
    int endX = rect.x() + rect.width();
    if (endX > size.width())
        endX = size.width();
    int numColumns = endX - originX;

    int originY = rect.y();
    int destY = 0;
    if (originY < 0) {
        destY = -originY;
        originY = 0;
    }
    int endY = rect.y() + rect.height();
    if (endY > size.height())
        endY = size.height();
    int numRows = endY - originY;

    ASSERT(bitmap.config() == SkBitmap::kARGB_8888_Config);
    SkAutoLockPixels bitmapLock(bitmap);

    unsigned destBytesPerRow = 4 * rect.width();
    unsigned char* destRow = data + destY * destBytesPerRow + destX * 4;

    for (int y = 0; y < numRows; ++y) {
        uint32_t* srcRow = bitmap.getAddr32(originX, originY + y);
        for (int x = 0; x < numColumns; ++x) {
            unsigned char* destPixel = &destRow[x * 4];
            if (multiplied == Unmultiplied) {
                SkColor color = srcRow[x];
                unsigned a = SkColorGetA(color);
                destPixel[0] = a ? SkColorGetR(color) * 255 / a : 0;
                destPixel[1] = a ? SkColorGetG(color) * 255 / a : 0;
                destPixel[2] = a ? SkColorGetB(color) * 255 / a : 0;
                destPixel[3] = a;
            } else {
                // Input and output are both pre-multiplied, we just need to re-arrange the
                // bytes from the bitmap format to RGBA.
                destPixel[0] = SkGetPackedR32(srcRow[x]);
                destPixel[1] = SkGetPackedG32(srcRow[x]);
                destPixel[2] = SkGetPackedB32(srcRow[x]);
                destPixel[3] = SkGetPackedA32(srcRow[x]);
            }
        }
        destRow += destBytesPerRow;
    }

    return result;
}
Пример #21
0
IntSize RenderTheme::meterSizeForBounds(const RenderMeter*, const IntRect& bounds) const
{
    return bounds.size();
}
Пример #22
0
void WKViewFindZoomableAreaForRect(WKViewRef viewRef, WKRect wkRect)
{
    IntRect rect = toIntRect(wkRect);
    toImpl(viewRef)->findZoomableAreaForPoint(rect.center(), rect.size());
}
Пример #23
0
void BitmapTextureImageBuffer::updateContents(Image* image, const IntRect& targetRect, const IntPoint& offset)
{
    m_image->context()->drawImage(image, ColorSpaceDeviceRGB, targetRect, IntRect(offset, targetRect.size()), CompositeCopy);
}
Пример #24
0
static gboolean webkit_web_view_popup_menu_handler(GtkWidget* widget)
{
    static const int contextMenuMargin = 1;

    // The context menu event was generated from the keyboard, so show the context menu by the current selection.
    Page* page = core(webView_s);
    FrameView* view = page->mainFrame()->view();
    Position start = page->mainFrame()->selection()->selection().start();
    Position end = page->mainFrame()->selection()->selection().end();

    int rightAligned = FALSE;
    IntPoint location;

    if (!start.node() || !end.node())
        location = IntPoint(rightAligned ? view->contentsWidth() - contextMenuMargin : contextMenuMargin, contextMenuMargin);
    else {
        RenderObject* renderer = start.node()->renderer();
        if (!renderer)
            return FALSE;

        // Calculate the rect of the first line of the selection (cribbed from -[WebCoreFrameBridge firstRectForDOMRange:]).
        int extraWidthToEndOfLine = 0;
        InlineBox* startInlineBox;
        int startCaretOffset;
        start.getInlineBoxAndOffset(DOWNSTREAM, startInlineBox, startCaretOffset);
        IntRect startCaretRect = renderer->localCaretRect(startInlineBox, startCaretOffset, &extraWidthToEndOfLine);

        InlineBox* endInlineBox;
        int endCaretOffset;
        end.getInlineBoxAndOffset(UPSTREAM, endInlineBox, endCaretOffset);
        IntRect endCaretRect = renderer->localCaretRect(endInlineBox, endCaretOffset);

        IntRect firstRect;
        if (startCaretRect.y() == endCaretRect.y())
            firstRect = IntRect(MIN(startCaretRect.x(), endCaretRect.x()),
                                startCaretRect.y(),
                                abs(endCaretRect.x() - startCaretRect.x()),
                                MAX(startCaretRect.height(), endCaretRect.height()));
        else
            firstRect = IntRect(startCaretRect.x(),
                                startCaretRect.y(),
                                startCaretRect.width() + extraWidthToEndOfLine,
                                startCaretRect.height());

        location = IntPoint(rightAligned ? firstRect.right() : firstRect.x(), firstRect.bottom());
    }

    int x, y;
    gdk_window_get_origin(GTK_WIDGET(view->root()->hostWindow()->platformPageClient())->window, &x, &y);

    // FIXME: The IntSize(0, -1) is a hack to get the hit-testing to result in the selected element.
    // Ideally we'd have the position of a context menu event be separate from its target node.
    location = view->contentsToWindow(location) + IntSize(0, -1);
    IntPoint global = location + IntSize(x, y);
    PlatformMouseEvent event(location, global, NoButton, MouseEventPressed, 0, false, false, false, false, gtk_get_current_event_time());

    return false;//webkit_web_view_forward_context_menu_event(WEBKIT_WEB_VIEW(widget), event);
}
Пример #25
0
void WebCoordinatedSurface::copyToTexture(PassRefPtr<WebCore::BitmapTexture> passTexture, const IntRect& target, const IntPoint& sourceOffset)
{
    RefPtr<BitmapTexture> texture(passTexture);

#if USE(GRAPHICS_SURFACE)
    if (isBackedByGraphicsSurface()) {
        RefPtr<BitmapTextureGL> textureGL = toBitmapTextureGL(texture.get());
        if (textureGL) {
            uint32_t textureID = textureGL->id();
            uint32_t textureTarget = textureGL->textureTarget();
            m_graphicsSurface->copyToGLTexture(textureTarget, textureID, target, sourceOffset);
            return;
        }

        RefPtr<Image> image = m_graphicsSurface->createReadOnlyImage(IntRect(sourceOffset, target.size()));
        texture->updateContents(image.get(), target, IntPoint::zero(), BitmapTexture::UpdateCanModifyOriginalImageData);
        return;
    }
#endif

    ASSERT(m_bitmap);
    RefPtr<Image> image = m_bitmap->createImage();
    texture->updateContents(image.get(), target, sourceOffset, BitmapTexture::UpdateCanModifyOriginalImageData);
}
Пример #26
0
IntRect ScrollView::windowToContents(const IntRect& windowRect) const
{
    IntRect viewRect = convertFromContainingWindow(windowRect);
    viewRect.move(scrollOffset());
    return viewRect;
}
Пример #27
0
void TiledBackingStore::createTiles()
{
    // Guard here as as these can change before the timer fires.
    if (isBackingStoreUpdatesSuspended())
        return;

    // Update our backing store geometry.
    const IntRect previousRect = m_rect;
    m_rect = mapFromContents(m_client->tiledBackingStoreContentsRect());
    m_trajectoryVector = m_pendingTrajectoryVector;
    m_visibleRect = visibleRect();

    if (m_rect.isEmpty()) {
        setCoverRect(IntRect());
        setKeepRect(IntRect());
        return;
    }

    /* We must compute cover and keep rects using the visibleRect, instead of the rect intersecting the visibleRect with m_rect,
     * because TBS can be used as a backing store of GraphicsLayer and the visible rect usually does not intersect with m_rect.
     * In the below case, the intersecting rect is an empty.
     *
     *  +---------------+
     *  |               |
     *  |   m_rect      |
     *  |       +-------|-----------------------+
     *  |       | HERE  |  cover or keep        |
     *  +---------------+      rect             |
     *          |         +---------+           |
     *          |         | visible |           |
     *          |         |  rect   |           |
     *          |         +---------+           |
     *          |                               |
     *          |                               |
     *          +-------------------------------+
     *
     * We must create or keep the tiles in the HERE region.
     */

    IntRect coverRect;
    IntRect keepRect;
    computeCoverAndKeepRect(m_visibleRect, coverRect, keepRect);

    setCoverRect(coverRect);
    setKeepRect(keepRect);

    if (coverRect.isEmpty())
        return;

    // Resize tiles at the edge in case the contents size has changed, but only do so
    // after having dropped tiles outside the keep rect.
    bool didResizeTiles = false;
    if (previousRect != m_rect)
        didResizeTiles = resizeEdgeTiles();

    // Search for the tile position closest to the viewport center that does not yet contain a tile.
    // Which position is considered the closest depends on the tileDistance function.
    double shortestDistance = std::numeric_limits<double>::infinity();
    Vector<Tile::Coordinate> tilesToCreate;
    unsigned requiredTileCount = 0;

    // Cover areas (in tiles) with minimum distance from the visible rect. If the visible rect is
    // not covered already it will be covered first in one go, due to the distance being 0 for tiles
    // inside the visible rect.
    Tile::Coordinate topLeft = tileCoordinateForPoint(coverRect.location());
    Tile::Coordinate bottomRight = tileCoordinateForPoint(innerBottomRight(coverRect));
    for (int yCoordinate = topLeft.y(); yCoordinate <= bottomRight.y(); ++yCoordinate) {
        for (int xCoordinate = topLeft.x(); xCoordinate <= bottomRight.x(); ++xCoordinate) {
            Tile::Coordinate currentCoordinate(xCoordinate, yCoordinate);
            if (tileAt(currentCoordinate))
                continue;
            ++requiredTileCount;
            double distance = tileDistance(m_visibleRect, currentCoordinate);
            if (distance > shortestDistance)
                continue;
            if (distance < shortestDistance) {
                tilesToCreate.clear();
                shortestDistance = distance;
            }
            tilesToCreate.append(currentCoordinate);
        }
    }

    // Now construct the tile(s) within the shortest distance.
    unsigned tilesToCreateCount = tilesToCreate.size();
    for (unsigned n = 0; n < tilesToCreateCount; ++n) {
        Tile::Coordinate coordinate = tilesToCreate[n];
        setTile(coordinate, m_backend->createTile(this, coordinate));
    }
    requiredTileCount -= tilesToCreateCount;

    // Paint the content of the newly created tiles or resized tiles.
    if (tilesToCreateCount || didResizeTiles)
        updateTileBuffers();

    // Re-call createTiles on a timer to cover the visible area with the newest shortest distance.
    m_pendingTileCreation = requiredTileCount;
    if (m_pendingTileCreation) {
        if (!m_commitTileUpdatesOnIdleEventLoop) {
            m_client->tiledBackingStoreHasPendingTileCreation();
            return;
        }

        static const double tileCreationDelay = 0.01;
        startBackingStoreUpdateTimer(tileCreationDelay);
    }
}
Пример #28
0
IntRect ScrollView::contentsToWindow(const IntRect& contentsRect) const
{
    IntRect viewRect = contentsRect;
    viewRect.move(-scrollOffset());
    return convertToContainingWindow(viewRect);
}
Пример #29
0
void TiledBackingStore::adjustForContentsRect(IntRect& rect) const
{
    IntRect bounds = m_rect;
    IntSize candidateSize = rect.size();

    rect.intersect(bounds);

    if (rect.size() == candidateSize)
        return;

    /*
     * In the following case, there is no intersection of the contents rect and the cover rect.
     * Thus the latter should not be inflated.
     *
     *  +---------------+
     *  |   m_rect      |
     *  +---------------+
     *
     *          +-------------------------------+
     *          |          cover rect           |
     *          |         +---------+           |
     *          |         | visible |           |
     *          |         |  rect   |           |
     *          |         +---------+           |
     *          +-------------------------------+
     */
    if (rect.isEmpty())
        return;

    // Try to create a cover rect of the same size as the candidate, but within content bounds.
    int pixelsCovered = candidateSize.width() * candidateSize.height();

    if (rect.width() < candidateSize.width())
        rect.inflateY(((pixelsCovered / rect.width()) - rect.height()) / 2);
    if (rect.height() < candidateSize.height())
        rect.inflateX(((pixelsCovered / rect.height()) - rect.width()) / 2);

    rect.intersect(bounds);
}
void RenderTheme::paintSliderTicks(const RenderObject& o, const PaintInfo& paintInfo, const IntRect& rect)
{
    Node* node = o.node();
    if (!node)
        return;

    HTMLInputElement* input = node->toInputElement();
    if (!input)
        return;

    HTMLDataListElement* dataList = downcast<HTMLDataListElement>(input->list());
    if (!dataList)
        return;

    double min = input->minimum();
    double max = input->maximum();
    ControlPart part = o.style().appearance();
    // We don't support ticks on alternate sliders like MediaVolumeSliders.
    if (part !=  SliderHorizontalPart && part != SliderVerticalPart)
        return;
    bool isHorizontal = part ==  SliderHorizontalPart;

    IntSize thumbSize;
    const RenderObject* thumbRenderer = input->sliderThumbElement()->renderer();
    if (thumbRenderer) {
        const RenderStyle& thumbStyle = thumbRenderer->style();
        int thumbWidth = thumbStyle.width().intValue();
        int thumbHeight = thumbStyle.height().intValue();
        thumbSize.setWidth(isHorizontal ? thumbWidth : thumbHeight);
        thumbSize.setHeight(isHorizontal ? thumbHeight : thumbWidth);
    }

    IntSize tickSize = sliderTickSize();
    float zoomFactor = o.style().effectiveZoom();
    FloatRect tickRect;
    int tickRegionSideMargin = 0;
    int tickRegionWidth = 0;
    IntRect trackBounds;
    RenderObject* trackRenderer = input->sliderTrackElement()->renderer();
    // We can ignoring transforms because transform is handled by the graphics context.
    if (trackRenderer)
        trackBounds = trackRenderer->absoluteBoundingBoxRectIgnoringTransforms();
    IntRect sliderBounds = o.absoluteBoundingBoxRectIgnoringTransforms();

    // Make position relative to the transformed ancestor element.
    trackBounds.setX(trackBounds.x() - sliderBounds.x() + rect.x());
    trackBounds.setY(trackBounds.y() - sliderBounds.y() + rect.y());

    if (isHorizontal) {
        tickRect.setWidth(floor(tickSize.width() * zoomFactor));
        tickRect.setHeight(floor(tickSize.height() * zoomFactor));
        tickRect.setY(floor(rect.y() + rect.height() / 2.0 + sliderTickOffsetFromTrackCenter() * zoomFactor));
        tickRegionSideMargin = trackBounds.x() + (thumbSize.width() - tickSize.width() * zoomFactor) / 2.0;
        tickRegionWidth = trackBounds.width() - thumbSize.width();
    } else {
        tickRect.setWidth(floor(tickSize.height() * zoomFactor));
        tickRect.setHeight(floor(tickSize.width() * zoomFactor));
        tickRect.setX(floor(rect.x() + rect.width() / 2.0 + sliderTickOffsetFromTrackCenter() * zoomFactor));
        tickRegionSideMargin = trackBounds.y() + (thumbSize.width() - tickSize.width() * zoomFactor) / 2.0;
        tickRegionWidth = trackBounds.height() - thumbSize.width();
    }
    RefPtr<HTMLCollection> options = dataList->options();
    GraphicsContextStateSaver stateSaver(*paintInfo.context);
    paintInfo.context->setFillColor(o.style().visitedDependentColor(CSSPropertyColor), ColorSpaceDeviceRGB);
    for (unsigned i = 0; Node* node = options->item(i); i++) {
        ASSERT(is<HTMLOptionElement>(node));
        HTMLOptionElement& optionElement = downcast<HTMLOptionElement>(*node);
        String value = optionElement.value();
        if (!input->isValidValue(value))
            continue;
        double parsedValue = parseToDoubleForNumberType(input->sanitizeValue(value));
        double tickFraction = (parsedValue - min) / (max - min);
        double tickRatio = isHorizontal && o.style().isLeftToRightDirection() ? tickFraction : 1.0 - tickFraction;
        double tickPosition = round(tickRegionSideMargin + tickRegionWidth * tickRatio);
        if (isHorizontal)
            tickRect.setX(tickPosition);
        else
            tickRect.setY(tickPosition);
        paintInfo.context->fillRect(tickRect);
    }
}