void PrintContext::computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight)
{
m_pageRects.clear();
outPageHeight = 0;
if (!m_frame->document() || !m_frame->view() || !m_frame->document()->renderView())
return;
if (userScaleFactor <= 0) {
WTF_LOG_ERROR("userScaleFactor has bad value %.2f", userScaleFactor);
return;
}
RenderView* view = m_frame->document()->renderView();
const IntRect& documentRect = view->documentRect();
FloatSize pageSize = m_frame->resizePageRectsKeepingRatio(FloatSize(printRect.width(), printRect.height()), FloatSize(documentRect.width(), documentRect.height()));
float pageWidth = pageSize.width();
float pageHeight = pageSize.height();
outPageHeight = pageHeight; // this is the height of the page adjusted by margins
pageHeight -= headerHeight + footerHeight;
if (pageHeight <= 0) {
WTF_LOG_ERROR("pageHeight has bad value %.2f", pageHeight);
return;
}
computePageRectsWithPageSizeInternal(FloatSize(pageWidth / userScaleFactor, pageHeight / userScaleFactor), false);
}
void PrintContext::computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight, bool allowHorizontalTiling)
{
m_pageRects.clear();
outPageHeight = 0;
if (!m_frame->document() || !m_frame->view() || !m_frame->document()->renderer())
return;
if (userScaleFactor <= 0) {
LOG_ERROR("userScaleFactor has bad value %.2f", userScaleFactor);
return;
}
RenderView* view = toRenderView(m_frame->document()->renderer());
bool isHorizontal = view->style()->isHorizontalWritingMode();
float pageWidth;
float pageHeight;
if (isHorizontal) {
pageWidth = view->docWidth();
///NOTE: if we do not reuse the previously set logical page height,
/// we can end up with off-by-one erros in the page height,
/// leading to rendering issues (e.g. rows overlap pagebreaks)
if (view->pageLogicalHeight() == 0) {
float ratio = printRect.height() / printRect.width();
pageHeight = floorf(pageWidth * ratio);
} else {
pageHeight = view->pageLogicalHeight();
}
} else {
float ratio = printRect.width() / printRect.height();
pageHeight = view->docHeight();
pageWidth = floorf(pageHeight * ratio);
}
outPageHeight = pageHeight; // this is the height of the page adjusted by margins
pageHeight -= headerHeight + footerHeight;
if (pageHeight <= 0) {
LOG_ERROR("pageHeight has bad value %.2f", pageHeight);
return;
}
computePageRectsWithPageSizeInternal(FloatSize(pageWidth / userScaleFactor, pageHeight / userScaleFactor), allowHorizontalTiling);
}
void PrintContext::computePageRects(const FloatRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, float& outPageHeight, bool allowHorizontalTiling)
{
m_pageRects.clear();
outPageHeight = 0;
if (!m_frame->document() || !m_frame->view() || !m_frame->document()->renderer())
return;
if (userScaleFactor <= 0) {
LOG_ERROR("userScaleFactor has bad value %.2f", userScaleFactor);
return;
}
RenderView* view = toRenderView(m_frame->document()->renderer());
bool isHorizontal = view->style()->isHorizontalWritingMode();
float pageWidth;
float pageHeight;
const IntRect& documentRect = view->documentRect();
if (isHorizontal) {
float ratio = printRect.height() / printRect.width();
pageWidth = documentRect.width();
pageHeight = floorf(pageWidth * ratio);
} else {
float ratio = printRect.width() / printRect.height();
pageHeight = documentRect.height();
pageWidth = floorf(pageHeight * ratio);
}
outPageHeight = pageHeight; // this is the height of the page adjusted by margins
pageHeight -= headerHeight + footerHeight;
if (pageHeight <= 0) {
LOG_ERROR("pageHeight has bad value %.2f", pageHeight);
return;
}
computePageRectsWithPageSizeInternal(FloatSize(pageWidth / userScaleFactor, pageHeight / userScaleFactor), allowHorizontalTiling);
}
void PrintContext::computePageRects(const FloatRect& printRect,
float headerHeight,
float footerHeight,
float userScaleFactor,
float& outPageHeight) {
m_pageRects.clear();
outPageHeight = 0;
if (!m_frame->document() || !m_frame->view() ||
m_frame->document()->layoutViewItem().isNull())
return;
if (userScaleFactor <= 0) {
DLOG(ERROR) << "userScaleFactor has bad value " << userScaleFactor;
return;
}
LayoutViewItem view = m_frame->document()->layoutViewItem();
const IntRect& documentRect = view.documentRect();
FloatSize pageSize = m_frame->resizePageRectsKeepingRatio(
FloatSize(printRect.width(), printRect.height()),
FloatSize(documentRect.width(), documentRect.height()));
float pageWidth = pageSize.width();
float pageHeight = pageSize.height();
outPageHeight =
pageHeight; // this is the height of the page adjusted by margins
pageHeight -= headerHeight + footerHeight;
if (pageHeight <= 0) {
DLOG(ERROR) << "pageHeight has bad value " << pageHeight;
return;
}
computePageRectsWithPageSizeInternal(
FloatSize(pageWidth / userScaleFactor, pageHeight / userScaleFactor));
}
void PrintContext::computePageRectsWithPageSize(const FloatSize& pageSizeInPixels, bool allowHorizontalTiling)
{
m_pageRects.clear();
computePageRectsWithPageSizeInternal(pageSizeInPixels, allowHorizontalTiling);
}
void PrintContext::computePageRectsWithPageSize(const FloatSize& pageSizeInPixels)
{
m_pageRects.clear();
computePageRectsWithPageSizeInternal(pageSizeInPixels);
}
