int RenderView::viewLogicalHeight() const
{
int height = style()->isHorizontalWritingMode() ? viewHeight() : viewWidth();
if (hasColumns() && !style()->hasInlineColumnAxis()) {
if (int pageLength = m_frameView->pagination().pageLength)
height = pageLength;
}
return height;
}
// ---------------------------------------------------------------------------
// CAknPhysicsRestrictor::CalculateViewLimits
// ---------------------------------------------------------------------------
//
void CAknPhysicsRestrictor::CalculateViewLimits()
{
if ( !iProvider )
{
return;
}
TInt viewHeight( iViewSize.iHeight );
TInt worldHeight( iWorldSize.iHeight );
TReal emptySegment( KNotRestrictedSegment );
if ( iLandscape )
{
viewHeight = iViewSize.iWidth;
worldHeight = iWorldSize.iWidth;
}
// Calculate bottom limit
if ( viewHeight > worldHeight )
{
emptySegment =
( TReal ) iProvider->ShortListEmptySpace() / KEmptySpaceFactor;
iEmptySpaceArea =
worldHeight * ( emptySegment );
iPositionBottomLimit = viewHeight / 2 + iEmptySpaceArea;
}
else
{
emptySegment =
( TReal ) iProvider->LongListEmptySpace() / KEmptySpaceFactor;
iEmptySpaceArea =
viewHeight * ( emptySegment );
iPositionBottomLimit = worldHeight - viewHeight / 2 + iEmptySpaceArea;
}
// Calculate top limit
iPositionTopLimit = viewHeight / 2 - iEmptySpaceArea;
// Check if empty space is really restricted
if ( emptySegment == KNotRestrictedSegment )
{
iEmptySpaceRestricted = EFalse;
}
else
{
iEmptySpaceRestricted = ETrue;
}
}
void saveGDAL(const std::string &filename, const std::string &template_name, int xoffset, int yoffset){
GDALDataset *fintempl = (GDALDataset*)GDALOpen(template_name.c_str(), GA_ReadOnly);
assert(fintempl!=NULL); //TODO: Error handle
GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName("GTiff");
assert(poDriver!=NULL); //TODO: Error handle
GDALDataset *fout = poDriver->Create(filename.c_str(), viewWidth(), viewHeight(), 1, myGDALType(), NULL);
assert(fout!=NULL); //TODO: Error handle
GDALRasterBand *oband = fout->GetRasterBand(1);
oband->SetNoDataValue(no_data);
//The geotransform maps each grid cell to a point in an affine-transformed
//projection of the actual terrain. The geostransform is specified as follows:
// Xgeo = GT(0) + Xpixel*GT(1) + Yline*GT(2)
// Ygeo = GT(3) + Xpixel*GT(4) + Yline*GT(5)
//In case of north up images, the GT(2) and GT(4) coefficients are zero, and
//the GT(1) is pixel width, and GT(5) is pixel height. The (GT(0),GT(3))
//position is the top left corner of the top left pixel of the raster.
double geotrans[6];
fintempl->GetGeoTransform(geotrans);
//We shift the top-left pixel of hte image eastward to the appropriate
//coordinate
geotrans[0] += xoffset*geotrans[1];
//We shift the top-left pixel of the image southward to the appropriate
//coordinate
geotrans[3] += yoffset*geotrans[5];
#ifdef DEBUG
std::cerr<<"Filename: "<<std::setw(20)<<filename<<" Xoffset: "<<std::setw(6)<<xoffset<<" Yoffset: "<<std::setw(6)<<yoffset<<" Geotrans0: "<<std::setw(10)<<std::setprecision(10)<<std::fixed<<geotrans[0]<<" Geotrans3: "<<std::setw(10)<<std::setprecision(10)<<std::fixed<<geotrans[3]<< std::endl;
#endif
fout->SetGeoTransform(geotrans);
const char* projection_string=fintempl->GetProjectionRef();
fout->SetProjection(projection_string);
GDALClose(fintempl);
for(int y=0;y<view_height;y++)
oband->RasterIO(GF_Write, 0, y, viewWidth(), 1, data[y].data(), viewWidth(), 1, myGDALType(), 0, 0);
GDALClose(fout);
}
void RenderView::mapRectToPaintInvalidationBacking(const RenderLayerModelObject* paintInvalidationContainer, LayoutRect& rect, ViewportConstrainedPosition viewportConstraint, const PaintInvalidationState* state) const
{
if (document().printing())
return;
if (style()->slowIsFlippedBlocksWritingMode()) {
// We have to flip by hand since the view's logical height has not been determined. We
// can use the viewport width and height.
if (style()->isHorizontalWritingMode())
rect.setY(viewHeight() - rect.maxY());
else
rect.setX(viewWidth() - rect.maxX());
}
adjustViewportConstrainedOffset(rect, viewportConstraint);
// Apply our transform if we have one (because of full page zooming).
if (!paintInvalidationContainer && layer() && layer()->transform())
rect = layer()->transform()->mapRect(rect);
ASSERT(paintInvalidationContainer);
if (paintInvalidationContainer == this)
return;
Element* owner = document().ownerElement();
if (!owner)
return;
if (RenderBox* obj = owner->renderBox()) {
// Intersect the viewport with the paint invalidation rect.
LayoutRect viewRectangle = viewRect();
rect.intersect(viewRectangle);
// Adjust for scroll offset of the view.
rect.moveBy(-viewRectangle.location());
// Adjust for frame border.
rect.moveBy(obj->contentBoxRect().location());
obj->mapRectToPaintInvalidationBacking(paintInvalidationContainer, rect, 0);
}
}
void RenderView::layout()
{
SubtreeLayoutScope layoutScope(*this);
bool relayoutChildren = (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
layoutScope.setChildNeedsLayout(this);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if ((child->isBox() && toRenderBox(child)->hasRelativeLogicalHeight())
|| child->style()->logicalHeight().isPercent()
|| child->style()->logicalMinHeight().isPercent()
|| child->style()->logicalMaxHeight().isPercent())
layoutScope.setChildNeedsLayout(child);
}
}
if (!needsLayout())
return;
RenderFlexibleBox::layout();
clearNeedsLayout();
}
void RenderView::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
if (!document()->paginated())
setPageLogicalHeight(0);
if (shouldUsePrintingLayout())
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = logicalWidth();
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !shouldUsePrintingLayout() && (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, MarkOnlyThis);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if ((child->isBox() && toRenderBox(child)->hasRelativeLogicalHeight())
|| child->style()->logicalHeight().isPercent()
|| child->style()->logicalMinHeight().isPercent()
|| child->style()->logicalMaxHeight().isPercent())
child->setChildNeedsLayout(true, MarkOnlyThis);
}
}
ASSERT(!m_layoutState);
if (!needsLayout())
return;
LayoutState state;
// FIXME: May be better to push a clip and avoid issuing offscreen repaints.
state.m_clipped = false;
state.m_pageLogicalHeight = m_pageLogicalHeight;
state.m_pageLogicalHeightChanged = m_pageLogicalHeightChanged;
state.m_isPaginated = state.m_pageLogicalHeight;
m_pageLogicalHeightChanged = false;
m_layoutState = &state;
m_layoutPhase = RenderViewNormalLayout;
bool needsTwoPassLayoutForAutoLogicalHeightRegions = hasRenderNamedFlowThreads()
&& flowThreadController()->hasAutoLogicalHeightRegions()
&& flowThreadController()->hasRenderNamedFlowThreadsNeedingLayout();
if (needsTwoPassLayoutForAutoLogicalHeightRegions)
flowThreadController()->resetRegionsOverrideLogicalContentHeight();
layoutContent(state);
if (needsTwoPassLayoutForAutoLogicalHeightRegions) {
m_layoutPhase = ConstrainedFlowThreadsLayoutInAutoLogicalHeightRegions;
flowThreadController()->markAutoLogicalHeightRegionsForLayout();
layoutContent(state);
}
#ifndef NDEBUG
checkLayoutState(state);
#endif
m_layoutState = 0;
setNeedsLayout(false);
}
void RenderView::calcHeight()
{
if (!printing() && m_frameView)
m_height = viewHeight();
}
/// !!!!
void TableBody::centerVertically(int row)
{
int topcell = row - viewHeight() / (cellHeight() * 2);
setTopCell(qMax(topcell, 0));
update();
}
void RenderView::layout()
{
if (!document()->paginated())
setPageLogicalHeight(0);
if (shouldUsePrintingLayout())
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = logicalWidth();
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !shouldUsePrintingLayout() && (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, MarkOnlyThis);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if ((child->isBox() && toRenderBox(child)->hasRelativeLogicalHeight())
|| child->style()->logicalHeight().isPercent()
|| child->style()->logicalMinHeight().isPercent()
|| child->style()->logicalMaxHeight().isPercent())
child->setChildNeedsLayout(true, MarkOnlyThis);
}
}
ASSERT(!m_layoutState);
LayoutState state;
// FIXME: May be better to push a clip and avoid issuing offscreen repaints.
state.m_clipped = false;
state.m_pageLogicalHeight = m_pageLogicalHeight;
state.m_pageLogicalHeightChanged = m_pageLogicalHeightChanged;
state.m_isPaginated = state.m_pageLogicalHeight;
m_pageLogicalHeightChanged = false;
m_layoutState = &state;
if (needsLayout()) {
RenderBlock::layout();
if (hasRenderNamedFlowThreads())
flowThreadController()->layoutRenderNamedFlowThreads();
}
ASSERT(layoutDelta() == LayoutSize());
ASSERT(m_layoutStateDisableCount == 0);
ASSERT(m_layoutState == &state);
m_layoutState = 0;
setNeedsLayout(false);
}
void RenderView::calcHeight()
{
if (!printing() && m_frameView)
setHeight(viewHeight());
}
// FIXME(sky): remove
double RenderView::layoutViewportHeight() const
{
return viewHeight();
}
// FIXME(sky): remove
double RenderView::layoutViewportHeight() const
{
return viewHeight(IncludeScrollbars);
}
int RenderView::viewLogicalHeight() const
{
return viewHeight(ExcludeScrollbars);
}
void RenderView::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
if (!document().paginated())
setPageLogicalHeight(0);
if (shouldUsePrintingLayout())
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = logicalWidth();
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !shouldUsePrintingLayout() && (width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(MarkOnlyThis);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (!child->isBox())
continue;
RenderBox& box = toRenderBox(*child);
if (box.hasRelativeLogicalHeight()
|| box.hasViewportPercentageLogicalHeight()
|| box.style()->logicalHeight().isPercent()
|| box.style()->logicalMinHeight().isPercent()
|| box.style()->logicalMaxHeight().isPercent()
|| box.style()->logicalHeight().isViewportPercentage()
|| box.style()->logicalMinHeight().isViewportPercentage()
|| box.style()->logicalMaxHeight().isViewportPercentage()
#if ENABLE(SVG)
|| box.isSVGRoot()
#endif
)
box.setChildNeedsLayout(MarkOnlyThis);
}
}
ASSERT(!m_layoutState);
if (!needsLayout())
return;
m_layoutState = std::make_unique<LayoutState>();
bool isSeamlessAncestorInFlowThread = initializeLayoutState(*m_layoutState);
m_pageLogicalHeightChanged = false;
if (checkTwoPassLayoutForAutoHeightRegions())
layoutContentInAutoLogicalHeightRegions(*m_layoutState);
else
layoutContent(*m_layoutState);
layoutContentToComputeOverflowInRegions(*m_layoutState);
#ifndef NDEBUG
checkLayoutState(*m_layoutState);
#endif
m_layoutState = nullptr;
clearNeedsLayout();
if (isSeamlessAncestorInFlowThread)
flowThreadController().setCurrentRenderFlowThread(0);
}
int RenderView::viewLogicalHeight() const
{
int height = style()->isHorizontalWritingMode() ? viewHeight() : viewWidth();
return height;
}
//??
void TableBody::showRange(int from, int to)
{
int h = viewHeight() / cellHeight();
if (to >= topCell() + h)
setTopCell(qMax(0, qMin(from, to - h + 1)));
}
int RenderView::viewLogicalHeight() const
{
return viewHeight();
}
void RenderView::layout()
{
if (!document().paginated())
setPageLogicalHeight(0);
if (shouldUsePrintingLayout())
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = logicalWidth();
SubtreeLayoutScope layoutScope(*this);
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !shouldUsePrintingLayout() && (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
layoutScope.setChildNeedsLayout(this);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->isSVGRoot())
continue;
if ((child->isBox() && toRenderBox(child)->hasRelativeLogicalHeight())
|| child->style()->logicalHeight().isPercent()
|| child->style()->logicalMinHeight().isPercent()
|| child->style()->logicalMaxHeight().isPercent())
layoutScope.setChildNeedsLayout(child);
}
if (document().svgExtensions())
document().accessSVGExtensions().invalidateSVGRootsWithRelativeLengthDescendents(&layoutScope);
}
ASSERT(!m_layoutState);
if (!needsLayout())
return;
LayoutState rootLayoutState(pageLogicalHeight(), pageLogicalHeightChanged(), *this);
m_pageLogicalHeightChanged = false;
layoutContent();
#if ENABLE(ASSERT)
checkLayoutState();
#endif
clearNeedsLayout();
}
void RenderView::layout()
{
if (printing())
m_minPrefWidth = m_maxPrefWidth = width();
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !printing() && (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, false);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->style()->height().isPercent() || child->style()->minHeight().isPercent() || child->style()->maxHeight().isPercent())
child->setChildNeedsLayout(true, false);
}
}
ASSERT(!m_layoutState);
LayoutState state;
// FIXME: May be better to push a clip and avoid issuing offscreen repaints.
state.m_clipped = false;
m_layoutState = &state;
if (needsLayout())
RenderBlock::layout();
// Reset overflowWidth and overflowHeight, since they act as a lower bound for docWidth() and docHeight().
setOverflowWidth(width());
setOverflowHeight(height());
setOverflowWidth(docWidth());
setOverflowHeight(docHeight());
ASSERT(layoutDelta() == IntSize());
ASSERT(m_layoutStateDisableCount == 0);
ASSERT(m_layoutState == &state);
m_layoutState = 0;
setNeedsLayout(false);
}
int RenderView::viewLogicalHeight() const
{
return style()->isHorizontalWritingMode() ? viewHeight(ExcludeScrollbars) : viewWidth(ExcludeScrollbars);
}
void RenderView::layout()
{
if (!document()->paginated())
setPageHeight(0);
m_absoluteOverflow.clear();
if (printing())
m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = width();
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !printing() && (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, false);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->style()->logicalHeight().isPercent() || child->style()->logicalMinHeight().isPercent() || child->style()->logicalMaxHeight().isPercent())
child->setChildNeedsLayout(true, false);
}
}
ASSERT(!m_layoutState);
LayoutState state;
// FIXME: May be better to push a clip and avoid issuing offscreen repaints.
state.m_clipped = false;
state.m_pageHeight = m_pageHeight;
state.m_pageHeightChanged = m_pageHeightChanged;
m_pageHeightChanged = false;
m_layoutState = &state;
if (needsLayout())
RenderBlock::layout();
#if ENABLE(VIEWPORT_REFLOW)
calcReflowWidth();
#endif
// Reset overflow and then replace it with docWidth and docHeight.
m_overflow.clear();
int leftOverflow = docLeft();
addLayoutOverflow(IntRect(leftOverflow, 0, docWidth(leftOverflow), docHeight()));
ASSERT(layoutDelta() == IntSize());
ASSERT(m_layoutStateDisableCount == 0);
ASSERT(m_layoutState == &state);
m_layoutState = 0;
setNeedsLayout(false);
}
double RenderView::layoutViewportHeight() const
{
float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
return viewHeight(IncludeScrollbars) / scale;
}
bool in_grid(int x, int y) const {
return 0<=x && x<viewWidth() && 0<=y && y<viewHeight();
}
void RenderView::layout()
{
layoutCounter.startCounting();
if (printing())
m_minPrefWidth = m_maxPrefWidth = m_width;
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !printing() && (!m_frameView || m_width != viewWidth() || m_height != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, false);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->style()->height().isPercent() || child->style()->minHeight().isPercent() || child->style()->maxHeight().isPercent())
child->setChildNeedsLayout(true, false);
}
}
ASSERT(!m_layoutState);
LayoutState state;
IntRect viewRectangle = viewRect();
// An empty rect is not valid viewRect.
state.m_clipped = !viewRectangle.isEmpty();
if (state.m_clipped) {
state.m_clipRect = IntRect(IntPoint(0, 0), viewRectangle.size());
state.m_offset = IntSize(viewRectangle.x(), viewRectangle.y());
}
m_layoutState = &state;
if (needsLayout())
RenderBlock::layout();
// Ensure that docWidth() >= width() and docHeight() >= height().
setOverflowWidth(m_width);
setOverflowHeight(m_height);
setOverflowWidth(docWidth());
setOverflowHeight(docHeight());
ASSERT(m_layoutStateDisableCount == 0);
ASSERT(m_layoutState == &state);
m_layoutState = 0;
setNeedsLayout(false);
layoutCounter.stopCounting();
}
