示例#1
0
void CCameraBlurFilter::draw(float amount, bool clearDepth) {
  if (amount <= 0.f)
    return;

  SClipScreenRect clipRect(g_Viewport);
  CGraphics::ResolveSpareTexture(clipRect, 0, clearDepth);
  float aspect = CGraphics::g_CroppedViewport.xc_width / float(CGraphics::g_CroppedViewport.x10_height);

  float xFac = CGraphics::g_CroppedViewport.xc_width / float(g_Viewport.x8_width);
  float yFac = CGraphics::g_CroppedViewport.x10_height / float(g_Viewport.xc_height);
  float xBias = CGraphics::g_CroppedViewport.x4_left / float(g_Viewport.x8_width);
  float yBias = CGraphics::g_CroppedViewport.x8_top / float(g_Viewport.xc_height);

  Vert verts[4] = {
      {{-1.0, -1.0}, {xBias, yBias}},
      {{-1.0, 1.0}, {xBias, yBias + yFac}},
      {{1.0, -1.0}, {xBias + xFac, yBias}},
      {{1.0, 1.0}, {xBias + xFac, yBias + yFac}},
  };
  m_vbo->load(verts, sizeof(verts));

  for (int i = 0; i < 6; ++i) {
    float tmp = i;
    tmp *= 2.f * M_PIF;
    tmp /= 6.f;

    float amtX = std::cos(tmp);
    amtX *= amount / 448.f / aspect;

    float amtY = std::sin(tmp);
    amtY *= amount / 448.f;

    m_uniform.m_uv[i][0] = amtX * xFac;
    m_uniform.m_uv[i][1] = amtY * yFac;
  }
  m_uniform.m_opacity = std::min(amount / 2.f, 1.f);
  m_uniBuf->load(&m_uniform, sizeof(m_uniform));

  CGraphics::SetShaderDataBinding(m_dataBind);
  CGraphics::DrawArray(0, 4);
}
void CanvasRenderingContext2D::putImageData(ImageData* data, float dx, float dy, float dirtyX, float dirtyY, 
                                            float dirtyWidth, float dirtyHeight, ExceptionCode& ec)
{
    if (!data) {
        ec = TYPE_MISMATCH_ERR;
        return;
    }
    if (!isfinite(dx) || !isfinite(dy) || !isfinite(dirtyX) || 
        !isfinite(dirtyY) || !isfinite(dirtyWidth) || !isfinite(dirtyHeight)) {
        ec = INDEX_SIZE_ERR;
        return;
    }

    ImageBuffer* buffer = m_canvas ? m_canvas->buffer() : 0;
    if (!buffer)
        return;

    if (dirtyWidth < 0) {
        dirtyX += dirtyWidth;
        dirtyWidth = -dirtyWidth;
    }

    if (dirtyHeight < 0) {
        dirtyY += dirtyHeight;
        dirtyHeight = -dirtyHeight;
    }

    FloatRect clipRect(dirtyX, dirtyY, dirtyWidth, dirtyHeight);
    clipRect.intersect(IntRect(0, 0, data->width(), data->height()));
    IntSize destOffset(static_cast<int>(dx), static_cast<int>(dy));
    IntRect sourceRect = enclosingIntRect(clipRect);
    sourceRect.move(destOffset);
    sourceRect.intersect(IntRect(IntPoint(), buffer->size()));
    if (sourceRect.isEmpty())
        return;
    willDraw(sourceRect);
    sourceRect.move(-destOffset);
    IntPoint destPoint(destOffset.width(), destOffset.height());
    
    buffer->putImageData(data, sourceRect, destPoint);
}
示例#3
0
void
PaintedLayerComposite::RenderLayer(const nsIntRect& aClipRect)
{
  if (!mBuffer || !mBuffer->IsAttached()) {
    return;
  }
  PROFILER_LABEL("PaintedLayerComposite", "RenderLayer",
    js::ProfileEntry::Category::GRAPHICS);

  MOZ_ASSERT(mBuffer->GetCompositor() == mCompositeManager->GetCompositor() &&
             mBuffer->GetLayer() == this,
             "buffer is corrupted");

  const nsIntRegion& visibleRegion = GetEffectiveVisibleRegion();
  gfx::Rect clipRect(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);

#ifdef MOZ_DUMP_PAINTING
  if (gfxUtils::sDumpPainting) {
    RefPtr<gfx::DataSourceSurface> surf = mBuffer->GetAsSurface();
    if (surf) {
      WriteSnapshotToDumpFile(this, surf);
    }
  }
#endif

  EffectChain effectChain(this);
  LayerManagerComposite::AutoAddMaskEffect autoMaskEffect(mMaskLayer, effectChain);
  AddBlendModeEffect(effectChain);

  mBuffer->SetPaintWillResample(MayResample());

  mBuffer->Composite(effectChain,
                     GetEffectiveOpacity(),
                     GetEffectiveTransform(),
                     GetEffectFilter(),
                     clipRect,
                     &visibleRegion);
  mBuffer->BumpFlashCounter();

  mCompositeManager->GetCompositor()->MakeCurrent();
}
void ossimQtRoiRectAnnotator::paintAnnotation( QPainter* p,
                                               int clipx,
                                               int clipy,
                                               int clipw,
                                               int cliph )
{
   if ( !p || (thePoints.size() != 2) )
   {
      return;
   }

   ossimIrect clipRect(clipx, clipy, clipx + (clipw - 1), clipy + (cliph - 1));
   if (clipRect.intersects(getRoiRect()))
   {
      QRect r;
      r.setCoords(thePoints[0].x, thePoints[0].y,
                  thePoints[1].x, thePoints[1].y);
      p->setPen(thePenColor);
      p->drawRect(r);
   }
}
示例#5
0
ClipRect PaintLayerClipper::applyOverflowClipToBackgroundRectWithGeometryMapper(
    const ClipRectsContext& context,
    const ClipRect& clip) const {
  const LayoutObject& layoutObject = *m_layer.layoutObject();
  FloatRect clipRect(clip.rect());
  if (shouldClipOverflow(context)) {
    LayoutRect layerBoundsWithVisualOverflow =
        layoutObject.isLayoutView()
            ? toLayoutView(layoutObject).viewRect()
            : toLayoutBox(layoutObject).visualOverflowRect();
    toLayoutBox(layoutObject)
        .flipForWritingMode(
            // PaintLayer are in physical coordinates, so the overflow has to be
            // flipped.
            layerBoundsWithVisualOverflow);
    mapLocalToRootWithGeometryMapper(context, layerBoundsWithVisualOverflow);
    clipRect.intersect(FloatRect(layerBoundsWithVisualOverflow));
  }

  return ClipRect(LayoutRect(clipRect));
}
示例#6
0
void EllipsisBox::paintSelection(GraphicsContext* context, const FloatPoint& boxOrigin, RenderStyle* style, const Font& font)
{
    Color textColor = renderer().resolveColor(style, CSSPropertyColor);
    Color c = renderer().selectionBackgroundColor();
    if (!c.alpha())
        return;

    // If the text color ends up being the same as the selection background, invert the selection
    // background.
    if (textColor == c)
        c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());

    GraphicsContextStateSaver stateSaver(*context);
    LayoutUnit top = root().selectionTop();
    LayoutUnit h = root().selectionHeight();
    const int deltaY = roundToInt(logicalTop() - top);
    const FloatPoint localOrigin(boxOrigin.x(), boxOrigin.y() - deltaY);
    FloatRect clipRect(localOrigin, FloatSize(m_logicalWidth, h.toFloat()));
    context->clip(clipRect);
    context->drawHighlightForText(font, constructTextRun(&renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), localOrigin, h, c);
}
示例#7
0
void EllipsisBox::paintSelection(GraphicsContext* context, const LayoutPoint& paintOffset, RenderStyle* style, const Font& font)
{
    Color textColor = style->visitedDependentColor(CSSPropertyColor);
    Color c = m_renderer->selectionBackgroundColor();
    if (!c.isValid() || !c.alpha())
        return;

    // If the text color ends up being the same as the selection background, invert the selection
    // background.
    if (textColor == c)
        c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());

    GraphicsContextStateSaver stateSaver(*context);
    LayoutUnit top = root()->selectionTop();
    LayoutUnit h = root()->selectionHeight();
    FloatRect clipRect(x() + paintOffset.x(), top + paintOffset.y(), m_logicalWidth, h);
    alignSelectionRectToDevicePixels(clipRect);
    context->clip(clipRect);
    // FIXME: Why is this always LTR? Fix by passing correct text run flags below.
    context->drawHighlightForText(font, RenderBlock::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), roundedIntPoint(LayoutPoint(x() + paintOffset.x(), y() + paintOffset.y() + top)), h, c, style->colorSpace());
}
示例#8
0
void PlatformContextSkia::beginLayerClippedToImage(const FloatRect& rect,
                                                   const ImageBuffer* imageBuffer)
{
    SkRect bounds = { SkFloatToScalar(rect.x()), SkFloatToScalar(rect.y()),
                      SkFloatToScalar(rect.maxX()), SkFloatToScalar(rect.maxY()) };

    if (imageBuffer->internalSize().isEmpty()) {
        clipRect(bounds);
        return;
    }

    // Skia doesn't support clipping to an image, so we create a layer. The next
    // time restore is invoked the layer and |imageBuffer| are combined to
    // create the resulting image.

    m_state->m_clip = bounds;
    // Get the absolute coordinates of the stored clipping rectangle to make it
    // independent of any transform changes.
    getTotalMatrix().mapRect(&m_state->m_clip);

    SkCanvas::SaveFlags saveFlags = static_cast<SkCanvas::SaveFlags>(SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kFullColorLayer_SaveFlag);
    saveLayer(&bounds, 0, saveFlags);

    const SkBitmap* bitmap = imageBuffer->context()->platformContext()->bitmap();

    if (m_trackOpaqueRegion) {
        SkRect opaqueRect = bitmap->isOpaque() ? m_state->m_clip : SkRect::MakeEmpty();
        m_opaqueRegion.setImageMask(opaqueRect);
    }

    // Copy off the image as |imageBuffer| may be deleted before restore is invoked.
    if (bitmap->isImmutable())
        m_state->m_imageBufferClip = *bitmap;
    else {
        // We need to make a deep-copy of the pixels themselves, so they don't
        // change on us between now and when we want to apply them in restore()
        bitmap->copyTo(&m_state->m_imageBufferClip, SkBitmap::kARGB_8888_Config);
    }
}
示例#9
0
void PlatformContextCairo::clipForPatternFilling(const GraphicsContextState& state)
{
    ASSERT(state.fillPattern);

    // Hold current cairo path in a variable for restoring it after configuring the pattern clip rectangle.
    auto currentPath = cairo_copy_path(m_cr.get());
    cairo_new_path(m_cr.get());

    // Initialize clipping extent from current cairo clip extents, then shrink if needed according to pattern.
    // Inspired by GraphicsContextQt::drawRepeatPattern.
    double x1, y1, x2, y2;
    cairo_clip_extents(m_cr.get(), &x1, &y1, &x2, &y2);
    FloatRect clipRect(x1, y1, x2 - x1, y2 - y1);

    Image* patternImage = state.fillPattern->tileImage();
    ASSERT(patternImage);
    const AffineTransform& patternTransform = state.fillPattern->getPatternSpaceTransform();
    FloatRect patternRect = patternTransform.mapRect(FloatRect(0, 0, patternImage->width(), patternImage->height()));

    bool repeatX = state.fillPattern->repeatX();
    bool repeatY = state.fillPattern->repeatY();

    if (!repeatX) {
        clipRect.setX(patternRect.x());
        clipRect.setWidth(patternRect.width());
    }
    if (!repeatY) {
        clipRect.setY(patternRect.y());
        clipRect.setHeight(patternRect.height());
    }
    if (!repeatX || !repeatY) {
        cairo_rectangle(m_cr.get(), clipRect.x(), clipRect.y(), clipRect.width(), clipRect.height());
        cairo_clip(m_cr.get());
    }

    // Restoring cairo path.
    cairo_append_path(m_cr.get(), currentPath);
    cairo_path_destroy(currentPath);
}
void TableCellPainter::paintBackgroundsBehindCell(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutObject* backgroundObject, DisplayItem::Type type)
{
    if (!backgroundObject)
        return;

    if (m_layoutTableCell.style()->visibility() != VISIBLE)
        return;

    LayoutTable* tableElt = m_layoutTableCell.table();
    if (!tableElt->collapseBorders() && m_layoutTableCell.style()->emptyCells() == EmptyCellsHide && !m_layoutTableCell.firstChild())
        return;

    LayoutRect paintRect = paintBounds(paintOffset, backgroundObject != &m_layoutTableCell ? AddOffsetFromParent : DoNotAddOffsetFromParent);

    // Record drawing only if the cell is painting background from containers.
    Optional<LayoutObjectDrawingRecorder> recorder;
    if (backgroundObject != &m_layoutTableCell) {
        if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutTableCell, type))
            return;
        recorder.emplace(paintInfo.context, m_layoutTableCell, type, paintRect);
    } else {
        ASSERT(paintRect.location() == paintOffset);
    }

    Color c = backgroundObject->resolveColor(CSSPropertyBackgroundColor);
    const FillLayer& bgLayer = backgroundObject->style()->backgroundLayers();
    if (bgLayer.hasImage() || c.alpha()) {
        // We have to clip here because the background would paint
        // on top of the borders otherwise.  This only matters for cells and rows.
        bool shouldClip = backgroundObject->hasLayer() && (backgroundObject == &m_layoutTableCell || backgroundObject == m_layoutTableCell.parent()) && tableElt->collapseBorders();
        GraphicsContextStateSaver stateSaver(paintInfo.context, shouldClip);
        if (shouldClip) {
            LayoutRect clipRect(paintRect.location(), m_layoutTableCell.size());
            clipRect.expand(m_layoutTableCell.borderInsets());
            paintInfo.context.clip(pixelSnappedIntRect(clipRect));
        }
        BoxPainter(m_layoutTableCell).paintFillLayers(paintInfo, c, bgLayer, paintRect, BackgroundBleedNone, SkXfermode::kSrcOver_Mode, backgroundObject);
    }
}
void EllipsisBoxPainter::paintSelection(GraphicsContext& context, const LayoutPoint& boxOrigin, const ComputedStyle& style, const Font& font)
{
    Color textColor = m_ellipsisBox.getLineLayoutItem().resolveColor(style, CSSPropertyColor);
    Color c = m_ellipsisBox.getLineLayoutItem().selectionBackgroundColor();
    if (!c.alpha())
        return;

    // If the text color ends up being the same as the selection background, invert the selection
    // background.
    if (textColor == c)
        c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());

    GraphicsContextStateSaver stateSaver(context);
    LayoutUnit selectionBottom = m_ellipsisBox.root().selectionBottom();
    LayoutUnit top = m_ellipsisBox.root().selectionTop();
    LayoutUnit h = m_ellipsisBox.root().selectionHeight();
    const int deltaY = roundToInt(m_ellipsisBox.getLineLayoutItem().styleRef().isFlippedLinesWritingMode() ? selectionBottom - m_ellipsisBox.logicalBottom() : m_ellipsisBox.logicalTop() - top);
    const FloatPoint localOrigin(LayoutPoint(boxOrigin.x(), boxOrigin.y() - deltaY));
    FloatRect clipRect(localOrigin, FloatSize(LayoutSize(m_ellipsisBox.logicalWidth(), h)));
    context.clip(clipRect);
    context.drawHighlightForText(font, constructTextRun(font, m_ellipsisBox.ellipsisStr(), style, TextRun::AllowTrailingExpansion), localOrigin, h, c);
}
void ThreadedCompositor::renderLayerTree()
{
    if (!m_scene)
        return;

    if (!ensureGLContext())
        return;

    FloatRect clipRect(0, 0, m_viewportSize.width(), m_viewportSize.height());

    TransformationMatrix viewportTransform;
    FloatPoint scrollPostion = viewportController()->visibleContentsRect().location();
    viewportTransform.scale(viewportController()->pageScaleFactor());
    viewportTransform.translate(-scrollPostion.x(), -scrollPostion.y());

    m_scene->paintToCurrentGLContext(viewportTransform, 1, clipRect, Color::white, false, scrollPostion);

#if PLATFORM(BCM_RPI)
    auto bufferExport = m_surface->lockFrontBuffer();
    m_compositingManager.commitBCMBuffer(bufferExport);
#endif

#if PLATFORM(BCM_NEXUS)
    auto bufferExport = m_surface->lockFrontBuffer();
    m_compositingManager.commitBCMNexusBuffer(bufferExport);
#endif

#if PLATFORM(INTEL_CE)
    auto bufferExport = m_surface->lockFrontBuffer();
    m_compositingManager.commitIntelCEBuffer(bufferExport);
#endif

    glContext()->swapBuffers();

#if PLATFORM(GBM)
    auto bufferExport = m_surface->lockFrontBuffer();
    m_compositingManager.commitPrimeBuffer(bufferExport);
#endif
}
示例#13
0
    virtual void frameRectsChanged()
    {
        if (!platformWidget())
            return;

        IntRect windowRect = convertToContainingWindow(IntRect(0, 0, frameRect().width(), frameRect().height()));
        platformWidget()->setGeometry(windowRect);

        ScrollView* parentScrollView = parent();
        if (!parentScrollView)
            return;

        ASSERT(parentScrollView->isFrameView());
        IntRect clipRect(static_cast<FrameView*>(parentScrollView)->windowClipRect());
        clipRect.move(-windowRect.x(), -windowRect.y());
        clipRect.intersect(platformWidget()->rect());

        QRegion clipRegion = QRegion(clipRect);
        platformWidget()->setMask(clipRegion);

        handleVisibility();
    }
示例#14
0
// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
// to the render target
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrClipBounds, reporter, ctxInfo) {
    static const int kXSize = 100;
    static const int kYSize = 100;

    const SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
    const SkRect screen = SkRect::Make(intScreen);

    SkRect clipRect(screen);
    clipRect.outset(10, 10);

    // create a clip stack that will (trivially) reduce to a single rect that
    // is larger than the screen
    SkClipStack stack;
    stack.clipRect(clipRect, SkMatrix::I(), kReplace_SkClipOp, false);

    bool isIntersectionOfRects = true;
    SkRect devStackBounds;

    stack.getConservativeBounds(0, 0, kXSize, kYSize,
                                &devStackBounds,
                                &isIntersectionOfRects);

    // make sure that the SkClipStack is behaving itself
    REPORTER_ASSERT(reporter, screen == devStackBounds);
    REPORTER_ASSERT(reporter, isIntersectionOfRects);

    // wrap the SkClipStack in a GrClip
    GrClipStackClip clipData(&stack);

    SkIRect devGrClipBound;
    clipData.getConservativeBounds(kXSize, kYSize,
                                   &devGrClipBound,
                                   &isIntersectionOfRects);

    // make sure that GrClip is behaving itself
    REPORTER_ASSERT(reporter, intScreen == devGrClipBound);
    REPORTER_ASSERT(reporter, isIntersectionOfRects);
}
示例#15
0
	Rect2I GUIInputCaret::getSpriteClipRect(const Rect2I& parentClipRect) const
	{
		Vector2I offset(mElement->_getLayoutData().area.x, mElement->_getLayoutData().area.y);

		Vector2I clipOffset = getSpriteOffset() - offset -
			Vector2I(mElement->_getTextInputRect().x, mElement->_getTextInputRect().y);

		Rect2I clipRect(-clipOffset.x, -clipOffset.y, mTextDesc.width, mTextDesc.height);

		Rect2I localParentCliprect = parentClipRect;

		// Move parent rect to our space
		localParentCliprect.x += mElement->_getTextInputOffset().x + clipRect.x;
		localParentCliprect.y += mElement->_getTextInputOffset().y + clipRect.y;

		// Clip our rectangle so its not larger then the parent
		clipRect.clip(localParentCliprect);

		// Increase clip size by 1, so we can fit the caret in case it is fully at the end of the text
		clipRect.width += 1;

		return clipRect;
	}
示例#16
0
NS_IMETHODIMP
nsFileControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                                     const nsRect&           aDirtyRect,
                                     const nsDisplayListSet& aLists)
{
  // Our background is inherited to the text input, and we don't really want to
  // paint it or out padding and borders (which we never have anyway, per
  // styles in forms.css) -- doing it just makes us look ugly in some cases and
  // has no effect in others.
  nsDisplayListCollection tempList;
  nsresult rv = nsAreaFrame::BuildDisplayList(aBuilder, aDirtyRect, tempList);
  if (NS_FAILED(rv))
    return rv;

  tempList.BorderBackground()->DeleteAll();

  // Clip height only
  nsRect clipRect(aBuilder->ToReferenceFrame(this), GetSize());
  clipRect.width = GetOverflowRect().XMost();
  rv = OverflowClip(aBuilder, tempList, aLists, clipRect);
  NS_ENSURE_SUCCESS(rv, rv);

  // Disabled file controls don't pass mouse events to their children, so we
  // put an invisible item in the display list above the children
  // just to catch events
  // REVIEW: I'm not sure why we do this, but that's what nsFileControlFrame::
  // GetFrameForPoint was doing
  if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled) && 
      IsVisibleForPainting(aBuilder)) {
    nsDisplayItem* item = new (aBuilder) nsDisplayEventReceiver(this);
    if (!item)
      return NS_ERROR_OUT_OF_MEMORY;
    aLists.Content()->AppendToTop(item);
  }

  return DisplaySelectionOverlay(aBuilder, aLists);
}
示例#17
0
bool GiGraphics::setClipBox(const RECT_2D& rc)
{
    if (!isDrawing() || isStopping())
        return false;

    bool ret = false;
    Box2d rect;

    if (!rect.intersectWith(Box2d(rc), Box2d(m_impl->clipBox0)).isEmpty()) {
        if (rect != Box2d(m_impl->clipBox)) {
            rect.get(m_impl->clipBox);
            m_impl->rectDraw.set(Box2d(rc));
            m_impl->rectDraw.inflate(GiGraphicsImpl::CLIP_INFLATE);
            m_impl->rectDrawM = m_impl->rectDraw * xf().displayToModel();
            m_impl->rectDrawW = m_impl->rectDrawM * xf().modelToWorld();
            SafeCall(m_impl->canvas, clipRect(m_impl->clipBox.left, m_impl->clipBox.top,
                                              m_impl->clipBox.width(),
                                              m_impl->clipBox.height()));
        }
        ret = true;
    }

    return ret;
}
示例#18
0
void EllipsisBox::paintSelection(GraphicsContext* context, const FloatPoint& boxOrigin, RenderStyle* style, const Font& font)
{
    Color textColor = m_renderer->resolveColor(style, CSSPropertyColor);
    Color c = m_renderer->selectionBackgroundColor();
    if (!c.isValid() || !c.alpha())
        return;

    // If the text color ends up being the same as the selection background, invert the selection
    // background.
    if (textColor == c)
        c = Color(0xff - c.red(), 0xff - c.green(), 0xff - c.blue());

    GraphicsContextStateSaver stateSaver(*context);
    LayoutUnit selectionBottom = root()->selectionBottom();
    LayoutUnit top = root()->selectionTop();
    LayoutUnit h = root()->selectionHeight();
    const int deltaY = roundToInt(renderer()->style()->isFlippedLinesWritingMode() ? selectionBottom - logicalBottom() : logicalTop() - top);
    const FloatPoint localOrigin(boxOrigin.x(), boxOrigin.y() - deltaY);
    FloatRect clipRect(localOrigin, FloatSize(m_logicalWidth, h));
    alignSelectionRectToDevicePixels(clipRect);
    context->clip(clipRect);
    // FIXME: Why is this always LTR? Fix by passing correct text run flags below.
    context->drawHighlightForText(font, RenderBlockFlow::constructTextRun(renderer(), font, m_str, style, TextRun::AllowTrailingExpansion), localOrigin, h, c);
}
ossimAnnotationObject* ossimAnnotationMultiLineObject::getNewClippedObject(const ossimDrect& rect)const
{
   ossimAnnotationMultiLineObject* result = (ossimAnnotationMultiLineObject*)NULL;

   if(intersects(rect))
   {
      vector<ossimPolyLine> lineList;
      vector<ossimPolyLine> tempResult;
      
      ossimDrect clipRect(rect.ul().x - 10,
                          rect.ul().y - 10,
                          rect.lr().x + 10,
                          rect.lr().y + 10);

      for(ossim_uint32 i =0; i< thePolyLineList.size();++i)
      {
         if(thePolyLineList[i].clipToRect(tempResult, clipRect))
         {
            lineList.insert(lineList.end(),
                            tempResult.begin(),
                            tempResult.end());
         }
      }
      
      if(lineList.size() > 0)
      {
         result = new ossimAnnotationMultiLineObject(lineList,
                                                     theRed,
                                                     theGreen,
                                                     theBlue,
                                                     theThickness);
      }
   }
   
   return result;
}
示例#20
0
void TransparencyWin::computeLayerSize()
{
    if (m_transformMode == Untransform) {
        // The meaning of the "transformed" source rect is a little ambigous
        // here. The rest of the code doesn't care about it in the Untransform
        // case since we're using our own happy coordinate system. So we set it
        // to be the source rect since that matches how the code below actually
        // uses the variable: to determine how to translate things to account
        // for the offset of the layer.
        m_transformedSourceRect = m_sourceRect;
    } else if (m_transformMode == KeepTransform && m_layerMode != TextComposite) {
        // FIXME: support clipping for other modes
        IntRect clippedSourceRect = m_sourceRect;
        SkRect clipBounds;
        if (m_destContext->getClipBounds(&clipBounds)) {
            FloatRect clipRect(clipBounds.left(), clipBounds.top(), clipBounds.width(), clipBounds.height());
            clippedSourceRect.intersect(enclosingIntRect(clipRect));
        }
        m_transformedSourceRect = m_orgTransform.mapRect(clippedSourceRect);
    } else
        m_transformedSourceRect = m_orgTransform.mapRect(m_sourceRect);

    m_layerSize = IntSize(m_transformedSourceRect.width(), m_transformedSourceRect.height());
}
示例#21
0
    virtual void frameRectsChanged()
    {
        if (!platformWidget())
            return;

        IntRect windowRect = convertToContainingWindow(IntRect(0, 0, frameRect().width(), frameRect().height()));
        platformWidget()->setGeometry(windowRect);

        ScrollView* parentScrollView = parent();
        if (!parentScrollView)
            return;

        ASSERT(parentScrollView->isFrameView());
        IntRect clipRect(static_cast<FrameView*>(parentScrollView)->windowClipRect());
        clipRect.move(-windowRect.x(), -windowRect.y());
        clipRect.intersect(platformWidget()->rect());

        QRegion clipRegion = QRegion(clipRect);
        platformWidget()->setMask(clipRegion);

        // if setMask is set with an empty QRegion, no clipping will
        // be performed, so in that case we hide the platformWidget
        platformWidget()->setVisible(!clipRegion.isEmpty());
    }
void
ImageLayerComposite::RenderLayer(const nsIntPoint& aOffset,
                                 const nsIntRect& aClipRect)
{
  if (!mImageHost) {
    return;
  }

  mCompositor->MakeCurrent();

  EffectChain effectChain;
  LayerManagerComposite::AddMaskEffect(mMaskLayer, effectChain);

  gfx::Matrix4x4 transform;
  ToMatrix4x4(GetEffectiveTransform(), transform);
  gfx::Rect clipRect(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);
  mImageHost->SetCompositor(mCompositor);
  mImageHost->Composite(effectChain,
                        GetEffectiveOpacity(),
                        transform,
                        gfx::Point(aOffset.x, aOffset.y),
                        gfx::ToFilter(mFilter),
                        clipRect);
}
示例#23
0
        testStep->assertMessage());                                        \
}                                                                          \
TEST_STEP(NAME, NAME##TestStep )


///////////////////////////////////////////////////////////////////////////////
// Basic test steps for most virtual methods in SkCanvas that draw or affect
// the state of the canvas.

SIMPLE_TEST_STEP(Translate, translate(SkIntToScalar(1), SkIntToScalar(2)));
SIMPLE_TEST_STEP(Scale, scale(SkIntToScalar(1), SkIntToScalar(2)));
SIMPLE_TEST_STEP(Rotate, rotate(SkIntToScalar(1)));
SIMPLE_TEST_STEP(Skew, skew(SkIntToScalar(1), SkIntToScalar(2)));
SIMPLE_TEST_STEP(Concat, concat(d.fMatrix));
SIMPLE_TEST_STEP(SetMatrix, setMatrix(d.fMatrix));
SIMPLE_TEST_STEP(ClipRect, clipRect(d.fRect));
SIMPLE_TEST_STEP(ClipPath, clipPath(d.fPath));
SIMPLE_TEST_STEP(ClipRegion, clipRegion(d.fRegion, SkRegion::kReplace_Op));
SIMPLE_TEST_STEP(Clear, clear(d.fColor));

///////////////////////////////////////////////////////////////////////////////
// Complex test steps

static void SaveMatrixClipStep(SkCanvas* canvas, const TestData& d,
                               skiatest::Reporter* reporter, CanvasTestStep* testStep) {
    int saveCount = canvas->getSaveCount();
    canvas->save();
    canvas->translate(SkIntToScalar(1), SkIntToScalar(2));
    canvas->clipRegion(d.fRegion);
    canvas->restore();
    REPORTER_ASSERT_MESSAGE(reporter, canvas->getSaveCount() == saveCount,
/////////////////////////////////////////////////////////////////////////////
// RenderAllShadows : render all shadow instances
/////////////////////////////////////////////////////////////////////////////
void VBlobShadowManager::RenderAllShadows()
{
    // if enabled, a 2D bounding box is additionally used for clipping, which saves a lot of fillrate!

    // TODO: PSP2 - fix 2d clipping
#if defined(_VISION_PSP2)
    static bool bClipScissor = false;
#else
    static bool bClipScissor = true;
#endif
    VisFrustum_cl viewFrustum;
    IVisVisibilityCollector_cl *pVisColl = VisRenderContext_cl::GetCurrentContext()->GetVisibilityCollector();
    if (pVisColl==NULL || pVisColl->GetBaseFrustum()==NULL)
        return;
    viewFrustum.CopyFrom((VisFrustum_cl&)*pVisColl->GetBaseFrustum());

    // render all shadows
    VISION_PROFILE_FUNCTION(PROFILING_BS_OVERALL);

    // get the collection of visible (opaque) primitives. For each shadow instance determine
    // the primitives in this list, which intersect with the shadow box
    // (we do not want to render primitives that are not visible)
    const VisStaticGeometryInstanceCollection_cl *pVisibleGeom = pVisColl->GetVisibleStaticGeometryInstancesForPass(VPT_PrimaryOpaquePass);

    VRectanglef clipRect(false);
    VRectanglef screenRect(0.f,0.f,(float)Vision::Video.GetXRes(),(float)Vision::Video.GetYRes());
    hkvVec3 vBoxCorner[8];
    hkvVec2 vCorner2D(false);

    // now render the shadows:
    FOR_ALL_SHADOWS

    if (pShadow->GetOwner())
        pShadow->SetBoundingBoxFromOwnerProperties();

    // shadow box visible?
    if (!viewFrustum.Overlaps(pShadow->m_ShadowBox))
        continue;

    // build 2D bounding box for scissor clipping
    if (bClipScissor)
    {
        VISION_PROFILE_FUNCTION(PROFILING_BS_SCISSORRECT);
        clipRect.Reset();
        pShadow->m_ShadowBox.getCorners(vBoxCorner);
        for (int i=0; i<8; i++)
        {
            // if one vertex is behind camera, do not use clipping
            if (!Vision::Contexts.GetCurrentContext()->Project2D(vBoxCorner[i],vCorner2D.x,vCorner2D.y))
            {
                Vision::RenderLoopHelper.SetScissorRect(NULL);
                goto render_shadow;
            }
            clipRect.Add(vCorner2D);
        }
        VASSERT(clipRect.IsValid());
        clipRect = clipRect.GetIntersection(screenRect);
        if (!clipRect.IsValid())
            continue; // do not render shadows at all if rect is outside the screen
        Vision::RenderLoopHelper.SetScissorRect(&clipRect);
    }

render_shadow:

    // get the visible primitives in the shadow bounding box
    {
        VISION_PROFILE_FUNCTION(PROFILING_BS_DETERMINE_PRIMS);
        // affected static geometry:
        shadowGeom.Clear();
        pVisibleGeom->DetermineEntriesTouchingBox(pShadow->m_ShadowBox,shadowGeom);
    }

    // split into geometry types:
    if (!shadowGeom.GetNumEntries())
        continue;

    const VisStaticGeometryType_e relevantTypes[2] = {STATIC_GEOMETRY_TYPE_MESHINSTANCE,STATIC_GEOMETRY_TYPE_TERRAIN};

    // two relevant geometry types:
    for (int iType=0; iType<2; iType++)
    {
        shadowGeomOfType.Clear();
        shadowGeom.GetEntriesOfType(shadowGeomOfType,relevantTypes[iType]);
        VCompiledTechnique *pFX = GetDefaultTechnique(relevantTypes[iType]);
        if (shadowGeomOfType.GetNumEntries()==0 || pFX==NULL)
            continue;

        // for all the shader in the projection effect (usually 1 shader), render the primitive collection
        const int iShaderCount = pFX->GetShaderCount();

        for (int j=0; j<iShaderCount; j++)
        {
            VBlobShadowShader *pShader = (VBlobShadowShader *)pFX->GetShader(j);

            {   // code block for easier profiling
                VISION_PROFILE_FUNCTION(PROFILING_BS_PREPARE_SHADER);
                // prepare the shader, i.e. setup shadow specific projection planes, colors etc.
                pShader->UpdateShadow(pShadow);
            }
            {   // code block for easier profiling
                VISION_PROFILE_FUNCTION(PROFILING_BS_RENDER_PRIMS);
                Vision::RenderLoopHelper.RenderStaticGeometryWithShader(shadowGeomOfType,*pShader);
            }
        }
    }


}
ossimAnnotationObject* ossimAnnotationMultiPolyObject::getNewClippedObject(const ossimDrect& rect)const
{
    ossimAnnotationObject* result = (ossimAnnotationObject*)NULL;

    if(theBoundingRect.intersects(rect))
    {
        ossimDrect clipRect(rect.ul().x - 10,
                            rect.ul().y - 10,
                            rect.lr().x + 10,
                            rect.lr().y + 10);

        if(theFillEnabled)
        {
            vector<ossimPolygon> polyListResult;

            for(ossim_uint32 i = 0; i < theMultiPolygon.size(); ++i)
            {
                vector<ossimPolygon> tempList;

                if(theMultiPolygon[i].clipToRect(tempList, rect))
                {
                    polyListResult.insert(polyListResult.end(),
                                          tempList.begin(),
                                          tempList.end());
                }
            }

            if(polyListResult.size())
            {
                result = new ossimAnnotationMultiPolyObject(polyListResult,
                        theFillEnabled,
                        theRed,
                        theGreen,
                        theBlue,
                        theThickness);
            }
        }
        else
        {
            vector<ossimPolyLine> lineListResult;
            vector<ossimPolyLine> tempResult;

            for(ossim_uint32 i = 0; i< theMultiPolygon.size(); ++i)
            {
                ossimPolyLine polyLine = theMultiPolygon[i];

                if(polyLine.clipToRect(tempResult,
                                       clipRect))
                {
                    lineListResult.insert(lineListResult.end(),
                                          tempResult.begin(),
                                          tempResult.end());
                }
            }

            if(lineListResult.size())
            {
                result = new ossimAnnotationMultiLineObject(lineListResult,
                        theRed,
                        theGreen,
                        theBlue,
                        theThickness);
            }
        }
    }

    return result;
}
void ossimAnnotationMultiPolyObject::draw(ossimRgbImage& anImage)const
{
    if(theMultiPolygon.size()<1) return;
    if(theBoundingRect.hasNans()) return;


    anImage.setDrawColor(theRed, theGreen, theBlue);
    anImage.setThickness(theThickness);
    ossimDrect imageRect = anImage.getImageData()->getImageRectangle();

    if(theBoundingRect.intersects(imageRect))
    {
        // we need to extend it by a couple of pixels since
        // if a pixel lies on the edge and then another pixel is just off
        // the edge we will get a stair step and so for several pixels
        // the line might be inside the image rectangle but the clip
        // algorithm will only draw 1 pixel since it thinks the first
        // point is inside and the second point is outside and will
        // execute the clip algorithm keeping only the first
        // point.
        ossimDrect clipRect(imageRect.ul().x - 10,
                            imageRect.ul().y - 10,
                            imageRect.lr().x + 10,
                            imageRect.lr().y + 10);

        int j = 0;
        for(ossim_uint32 i = 0; i < theMultiPolygon.size(); ++i)
        {
            const ossimPolygon& poly = theMultiPolygon[i];
            int vertexCount          = poly.getVertexCount();
            if(!theFillEnabled)
            {
                if(poly.getNumberOfVertices() == 1)
                {
                    ossimDpt start, end;
                    start = poly[0];
                    end   = poly[0];
                    if(clipRect.clip(start, end))
                    {
                        anImage.drawLine(ossimIpt(start),
                                         ossimIpt(end));
                    }
                }
                else if(poly.getNumberOfVertices() == 2)
                {
                    ossimDpt start, end;
                    start = poly[0];
                    end   = poly[1];
                    if(clipRect.clip(start, end))
                    {
                        anImage.drawLine(ossimIpt(start),
                                         ossimIpt(end));
                    }
                }
                else if(vertexCount > 2)
                {
                    ossimDpt start, end;
                    j = 0;
                    while(j<vertexCount)
                    {
                        start = poly[j];
                        end   = poly[(j+1)%vertexCount];
                        if(clipRect.clip(start, end))
                        {
                            anImage.drawLine(ossimIpt(start),
                                             ossimIpt(end));
                        }
                        ++j;
                    }
#if 0
                    ossimDpt start, end;
                    start = poly[vertexCount-1];
                    end   = poly[0];
                    j = 0;
                    do
                    {
                        if(clipRect.clip(start, end))
                        {
                            anImage.drawLine(ossimIpt(start),
                                             ossimIpt(end));
                        }
                        ++j;
                        start = poly[j-1];
                        end   = poly[j];
                    } while(j < vertexCount);
#endif
                }
            }
            else
            {
                vector<ossimPolygon> result;
                if(poly.clipToRect(result, imageRect))
                {
                    for(j = 0; j < (int)result.size(); ++j)
                    {
                        anImage.drawFilledPolygon(result[j].getVertexList());
                    }
                }
            }
        }
    }
}
示例#27
0
LayoutState::LayoutState(std::unique_ptr<LayoutState> next, RenderBox* renderer, const LayoutSize& offset, LayoutUnit pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo)
    : m_columnInfo(columnInfo)
    , m_lineGrid(0)
    , m_next(std::move(next))
#if ENABLE(CSS_SHAPES)
    , m_shapeInsideInfo(0)
#endif
#ifndef NDEBUG
    , m_renderer(renderer)
#endif
{
    ASSERT(m_next);

    bool fixed = renderer->isOutOfFlowPositioned() && renderer->style().position() == FixedPosition;
    if (fixed) {
        // FIXME: This doesn't work correctly with transforms.
        FloatPoint fixedOffset = renderer->view().localToAbsolute(FloatPoint(), IsFixed);
        m_paintOffset = LayoutSize(fixedOffset.x(), fixedOffset.y()) + offset;
    } else
        m_paintOffset = m_next->m_paintOffset + offset;

    if (renderer->isOutOfFlowPositioned() && !fixed) {
        if (RenderElement* container = renderer->container()) {
            if (container->isInFlowPositioned() && container->isRenderInline())
                m_paintOffset += toRenderInline(container)->offsetForInFlowPositionedInline(renderer);
        }
    }

    m_layoutOffset = m_paintOffset;

    if (renderer->isInFlowPositioned() && renderer->hasLayer())
        m_paintOffset += renderer->layer()->offsetForInFlowPosition();

    m_clipped = !fixed && m_next->m_clipped;
    if (m_clipped)
        m_clipRect = m_next->m_clipRect;

    if (renderer->hasOverflowClip()) {
        LayoutRect clipRect(toPoint(m_paintOffset) + renderer->view().layoutDelta(), renderer->cachedSizeForOverflowClip());
        if (m_clipped)
            m_clipRect.intersect(clipRect);
        else {
            m_clipRect = clipRect;
            m_clipped = true;
        }

        m_paintOffset -= renderer->scrolledContentOffset();
    }

    // If we establish a new page height, then cache the offset to the top of the first page.
    // We can compare this later on to figure out what part of the page we're actually on,
    if (pageLogicalHeight || m_columnInfo || renderer->isRenderFlowThread()) {
        m_pageLogicalHeight = pageLogicalHeight;
        bool isFlipped = renderer->style().isFlippedBlocksWritingMode();
        m_pageOffset = LayoutSize(m_layoutOffset.width() + (!isFlipped ? renderer->borderLeft() + renderer->paddingLeft() : renderer->borderRight() + renderer->paddingRight()),
                               m_layoutOffset.height() + (!isFlipped ? renderer->borderTop() + renderer->paddingTop() : renderer->borderBottom() + renderer->paddingBottom()));
        m_pageLogicalHeightChanged = pageLogicalHeightChanged;
    } else {
        // If we don't establish a new page height, then propagate the old page height and offset down.
        m_pageLogicalHeight = m_next->m_pageLogicalHeight;
        m_pageLogicalHeightChanged = m_next->m_pageLogicalHeightChanged;
        m_pageOffset = m_next->m_pageOffset;
        
        // Disable pagination for objects we don't support. For now this includes overflow:scroll/auto, inline blocks and
        // writing mode roots.
        if (renderer->isUnsplittableForPagination())
            m_pageLogicalHeight = 0;
    }
    
    // Propagate line grid information.
    propagateLineGridInfo(renderer);

    if (!m_columnInfo)
        m_columnInfo = m_next->m_columnInfo;

#if ENABLE(CSS_SHAPES)
    if (renderer->isRenderBlock()) {
        const RenderBlock* renderBlock = toRenderBlock(renderer);
        m_shapeInsideInfo = renderBlock->shapeInsideInfo();
        if (!m_shapeInsideInfo && m_next->m_shapeInsideInfo && renderBlock->allowsShapeInsideInfoSharing())
            m_shapeInsideInfo = m_next->m_shapeInsideInfo;
    }
#endif

    m_layoutDelta = m_next->m_layoutDelta;
#if !ASSERT_DISABLED && ENABLE(SATURATED_LAYOUT_ARITHMETIC)
    m_layoutDeltaXSaturated = m_next->m_layoutDeltaXSaturated;
    m_layoutDeltaYSaturated = m_next->m_layoutDeltaYSaturated;
#endif
    
    m_isPaginated = m_pageLogicalHeight || m_columnInfo || renderer->isRenderFlowThread();

    if (lineGrid() && renderer->hasColumns() && renderer->style().hasInlineColumnAxis())
        computeLineGridPaginationOrigin(renderer);

    // If we have a new grid to track, then add it to our set.
    if (renderer->style().lineGrid() != RenderStyle::initialLineGrid() && renderer->isRenderBlockFlow())
        establishLineGrid(toRenderBlockFlow(renderer));

    // FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
示例#28
0
PassOwnPtr<CCSharedQuadState> CCRenderSurface::createReplicaSharedQuadState() const
{
    bool isOpaque = false;
    return CCSharedQuadState::create(replicaOriginTransform(), replicaDrawTransform(), contentRect(), clipRect(), drawOpacity(), isOpaque);
}
template<class ContainerT> void
ContainerRender(ContainerT* aContainer,
                const nsIntPoint& aOffset,
                LayerManagerComposite* aManager,
                const nsIntRect& aClipRect)
{
  /**
   * Setup our temporary surface for rendering the contents of this container.
   */
  RefPtr<CompositingRenderTarget> surface;

  Compositor* compositor = aManager->GetCompositor();

  RefPtr<CompositingRenderTarget> previousTarget = compositor->GetCurrentRenderTarget();

  nsIntPoint childOffset(aOffset);
  nsIntRect visibleRect = aContainer->GetEffectiveVisibleRegion().GetBounds();

  aContainer->mSupportsComponentAlphaChildren = false;

  float opacity = aContainer->GetEffectiveOpacity();

  bool needsSurface = aContainer->UseIntermediateSurface();
  if (needsSurface) {
    SurfaceInitMode mode = INIT_MODE_CLEAR;
    bool surfaceCopyNeeded = false;
    gfx::IntRect surfaceRect = gfx::IntRect(visibleRect.x, visibleRect.y,
                                            visibleRect.width, visibleRect.height);
    // we're about to create a framebuffer backed by textures to use as an intermediate
    // surface. What to do if its size (as given by framebufferRect) would exceed the
    // maximum texture size supported by the GL? The present code chooses the compromise
    // of just clamping the framebuffer's size to the max supported size.
    // This gives us a lower resolution rendering of the intermediate surface (children layers).
    // See bug 827170 for a discussion.
    int32_t maxTextureSize = compositor->GetMaxTextureSize();
    surfaceRect.width = std::min(maxTextureSize, surfaceRect.width);
    surfaceRect.height = std::min(maxTextureSize, surfaceRect.height);
    if (aContainer->GetEffectiveVisibleRegion().GetNumRects() == 1 &&
        (aContainer->GetContentFlags() & Layer::CONTENT_OPAQUE))
    {
      // don't need a background, we're going to paint all opaque stuff
      aContainer->mSupportsComponentAlphaChildren = true;
      mode = INIT_MODE_NONE;
    } else {
      const gfx3DMatrix& transform3D = aContainer->GetEffectiveTransform();
      gfxMatrix transform;
      // If we have an opaque ancestor layer, then we can be sure that
      // all the pixels we draw into are either opaque already or will be
      // covered by something opaque. Otherwise copying up the background is
      // not safe.
      if (HasOpaqueAncestorLayer(aContainer) &&
          transform3D.Is2D(&transform) && !transform.HasNonIntegerTranslation()) {
        mode = gfxPlatform::GetPlatform()->UsesSubpixelAATextRendering() ?
                                            INIT_MODE_COPY : INIT_MODE_CLEAR;
        surfaceCopyNeeded = (mode == INIT_MODE_COPY);
        surfaceRect.x += transform.x0;
        surfaceRect.y += transform.y0;
        aContainer->mSupportsComponentAlphaChildren
          = gfxPlatform::GetPlatform()->UsesSubpixelAATextRendering();
      }
    }

    surfaceRect -= gfx::IntPoint(aOffset.x, aOffset.y);
    if (surfaceCopyNeeded) {
      surface = compositor->CreateRenderTargetFromSource(surfaceRect, previousTarget);
    } else {
      surface = compositor->CreateRenderTarget(surfaceRect, mode);
    }
    compositor->SetRenderTarget(surface);
    childOffset.x = visibleRect.x;
    childOffset.y = visibleRect.y;
  } else {
    surface = previousTarget;
    aContainer->mSupportsComponentAlphaChildren = (aContainer->GetContentFlags() & Layer::CONTENT_OPAQUE) ||
      (aContainer->GetParent() && aContainer->GetParent()->SupportsComponentAlphaChildren());
  }

  nsAutoTArray<Layer*, 12> children;
  aContainer->SortChildrenBy3DZOrder(children);

  /**
   * Render this container's contents.
   */
  for (uint32_t i = 0; i < children.Length(); i++) {
    LayerComposite* layerToRender = static_cast<LayerComposite*>(children.ElementAt(i)->ImplData());

    if (layerToRender->GetLayer()->GetEffectiveVisibleRegion().IsEmpty() &&
        !layerToRender->GetLayer()->AsContainerLayer()) {
      continue;
    }

    nsIntRect clipRect = layerToRender->GetLayer()->
        CalculateScissorRect(aClipRect, &aManager->GetWorldTransform());
    if (clipRect.IsEmpty()) {
      continue;
    }

    layerToRender->RenderLayer(childOffset, clipRect);
    // invariant: our GL context should be current here, I don't think we can
    // assert it though
  }

  if (needsSurface) {
    // Unbind the current surface and rebind the previous one.
#ifdef MOZ_DUMP_PAINTING
    if (gfxUtils::sDumpPainting) {
      nsRefPtr<gfxImageSurface> surf = surface->Dump(aManager->GetCompositor());
      WriteSnapshotToDumpFile(aContainer, surf);
    }
#endif

    compositor->SetRenderTarget(previousTarget);
    EffectChain effectChain;
    LayerManagerComposite::AddMaskEffect(aContainer->GetMaskLayer(),
                                         effectChain,
                                         !aContainer->GetTransform().CanDraw2D());

    effectChain.mPrimaryEffect = new EffectRenderTarget(surface);

    gfx::Matrix4x4 transform;
    ToMatrix4x4(aContainer->GetEffectiveTransform(), transform);

    gfx::Rect rect(visibleRect.x, visibleRect.y, visibleRect.width, visibleRect.height);
    gfx::Rect clipRect(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);
    aManager->GetCompositor()->DrawQuad(rect, clipRect, effectChain, opacity,
                                        transform, gfx::Point(aOffset.x, aOffset.y));
  }

  if (aContainer->GetFrameMetrics().IsScrollable()) {
    gfx::Matrix4x4 transform;
    ToMatrix4x4(aContainer->GetEffectiveTransform(), transform);

    const FrameMetrics& frame = aContainer->GetFrameMetrics();
    LayerRect layerViewport = frame.mViewport * frame.LayersPixelsPerCSSPixel();
    gfx::Rect rect(layerViewport.x, layerViewport.y, layerViewport.width, layerViewport.height);
    gfx::Rect clipRect(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);
    aManager->GetCompositor()->DrawDiagnostics(gfx::Color(1.0, 0.0, 0.0, 1.0),
                                               rect, clipRect,
                                               transform, gfx::Point(aOffset.x, aOffset.y));
  }
}
示例#30
0
const unsigned char* QgsSymbolV2::_getPolygon( QPolygonF& pts, QList<QPolygonF>& holes, QgsRenderContext& context, const unsigned char* wkb, bool clipToExtent )
{
  QgsConstWkbPtr wkbPtr( wkb + 1 );

  unsigned int wkbType, numRings;
  wkbPtr >> wkbType >> numRings;

  if ( numRings == 0 )  // sanity check for zero rings in polygon
    return wkbPtr;

  bool hasZValue = QgsWKBTypes::hasZ( static_cast< QgsWKBTypes::Type >( wkbType ) );
  bool hasMValue = QgsWKBTypes::hasM( static_cast< QgsWKBTypes::Type >( wkbType ) );

  double x, y;
  holes.clear();

  const QgsCoordinateTransform* ct = context.coordinateTransform();
  const QgsMapToPixel& mtp = context.mapToPixel();
  const QgsRectangle& e = context.extent();
  double cw = e.width() / 10;
  double ch = e.height() / 10;
  QgsRectangle clipRect( e.xMinimum() - cw, e.yMinimum() - ch, e.xMaximum() + cw, e.yMaximum() + ch );

  for ( unsigned int idx = 0; idx < numRings; idx++ )
  {
    unsigned int nPoints;
    wkbPtr >> nPoints;

    QPolygonF poly( nPoints );

    // Extract the points from the WKB and store in a pair of vectors.
    QPointF* ptr = poly.data();
    for ( unsigned int jdx = 0; jdx < nPoints; ++jdx, ++ptr )
    {
      wkbPtr >> x >> y;
      if ( hasZValue )
        wkbPtr += sizeof( double );
      if ( hasMValue )
        wkbPtr += sizeof( double );

      *ptr = QPointF( x, y );
    }

    if ( nPoints < 1 )
      continue;

    //clip close to view extent, if needed
    QRectF ptsRect = poly.boundingRect();
    if ( clipToExtent && !context.extent().contains( ptsRect ) ) QgsClipper::trimPolygon( poly, clipRect );

    //transform the QPolygonF to screen coordinates
    if ( ct )
    {
      ct->transformPolygon( poly );
    }


    ptr = poly.data();
    for ( int i = 0; i < poly.size(); ++i, ++ptr )
    {
      mtp.transformInPlace( ptr->rx(), ptr->ry() );
    }

    if ( idx == 0 )
      pts = poly;
    else
      holes.append( poly );
  }

  return wkbPtr;
}