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XFA: Painting text

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This commit is contained in:
Jakub Melka 2021-12-02 19:22:55 +01:00
parent 1656f3b874
commit cc387916fe
1 changed files with 68 additions and 5 deletions
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73
Pdf4QtLib/sources/pdfxfaengine.cpp
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@ -24,6 +24,8 @@
#include <QStringList>
#include <QDateTime>
#include <QImageReader>
#include <QTextDocument>
#include <QTextBlock>
#include <stack>
#include <optional>
@ -351,7 +353,19 @@ public:
{
nodeValue = XFA_Value<QString>();
QString text = element.text();
QString text;
if (element.hasChildNodes())
{
QTextStream textStream(&text);
QDomNode node = element.firstChild();
while (!node.isNull())
{
textStream << node;
node = node.nextSibling();
}
}
if (!text.isEmpty())
{
nodeValue = XFA_Value<QString>(std::move(text));
@ -11557,7 +11571,7 @@ void PDFXFAEngineImpl::drawUiTextEdit(const xfa::XFA_textEdit* textEdit,
if (textEdit)
{
isMultiline = textEdit->getMultiLine() == xfa::XFA_textEdit::MULTILINE::_1;
isRichTextAllowed = textEdit->getAllowRichText();
isRichTextAllowed = isRichTextAllowed || textEdit->getAllowRichText();
if (const xfa::XFA_comb* comb = textEdit->getComb())
{
@ -11584,12 +11598,61 @@ void PDFXFAEngineImpl::drawUiTextEdit(const xfa::XFA_textEdit* textEdit,
if (!isRichTextAllowed)
{
const int textFlag = isMultiline ? Qt::TextWordWrap : Qt::TextSingleLine;
painter->drawText(textRect, textFlag | int(settings.getAlignment()), value.value.toString());
int textFlag = int(settings.getAlignment()) | Qt::TextDontClip;
// Do we have space for at least one line?
if (isMultiline && textRect.height() < 1.8 * painter->fontMetrics().lineSpacing())
{
isMultiline = false;
}
if (isMultiline)
{
textFlag = textFlag | Qt::TextWordWrap;
}
else
{
textFlag = textFlag | Qt::TextSingleLine;
}
painter->drawText(textRect, textFlag, value.value.toString());
}
else
{
// TODO: handle rich text
PDFPainterStateGuard guard(painter);
painter->translate(textRect.topLeft());
QString html = value.value.toString();
html.replace("pt", "px");
QTextDocument document;
document.setDocumentMargin(0);
document.setUseDesignMetrics(true);
document.setDefaultFont(painter->font());
QTextOption textOption = document.defaultTextOption();
textOption.setAlignment(settings.getAlignment());
textOption.setWrapMode(QTextOption::ManualWrap);
document.setDefaultTextOption(textOption);
document.setHtml(html);
QTextBlock block = document.firstBlock();
while (block.isValid())
{
QTextBlockFormat format = block.blockFormat();
format.setTopMargin(0);
format.setBottomMargin(0);
QTextCursor cursor(block);
cursor.select(QTextCursor::BlockUnderCursor);
cursor.mergeBlockFormat(format);
block = block.next();
}
document.setPageSize(textRect.size());
document.drawContents(painter);
}
}
else