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Text layout - first part

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Jakub Melka
2019-12-28 19:21:29 +01:00
parent 092173bbd9
commit 0ec9d6cf0e
10 changed files with 560 additions and 2 deletions
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32
PdfForQtLib/sources/pdfpagecontentprocessor.cpp
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@ -387,6 +387,11 @@ void PDFPageContentProcessor::performEndTransparencyGroup(ProcessOrder order, co
Q_UNUSED(transparencyGroup);
}
void PDFPageContentProcessor::performOutputCharacter(const PDFTextCharacterInfo& info)
{
Q_UNUSED(info);
}
bool PDFPageContentProcessor::isContentSuppressed() const
{
return std::any_of(m_markedContentStack.cbegin(), m_markedContentStack.cend(), [](const MarkedContentState& state) { return state.contentSuppressed; });
@ -2893,13 +2898,26 @@ void PDFPageContentProcessor::drawText(const TextSequence& textSequence)
if (!glyphPath.isEmpty())
{
QMatrix textRenderingMatrix = adjustMatrix * textMatrix;
QMatrix toDeviceSpaceTransform = textRenderingMatrix * m_graphicState.getCurrentTransformationMatrix();
QPainterPath transformedGlyph = textRenderingMatrix.map(glyphPath);
processPathPainting(transformedGlyph, stroke, fill, true, transformedGlyph.fillRule());
if (!item.character.isNull() && !item.character.isSpace())
{
// Output character
PDFTextCharacterInfo info;
info.character = item.character;
info.isVerticalWritingSystem = !isHorizontalWritingSystem;
info.advance = item.advance;
info.fontSize = fontSize;
info.outline = glyphPath;
info.matrix = toDeviceSpaceTransform;
performOutputCharacter(info);
}
if (clipped)
{
// Clipping is enabled, we must transform to the device coordinates
QMatrix toDeviceSpaceTransform = textRenderingMatrix * m_graphicState.getCurrentTransformationMatrix();
m_textClippingPath = m_textClippingPath.united(toDeviceSpaceTransform.map(glyphPath));
}
}
@ -2970,6 +2988,18 @@ void PDFPageContentProcessor::drawText(const TextSequence& textSequence)
updateGraphicState();
processContent(*item.characterContentStream);
if (!item.character.isNull() && !item.character.isSpace())
{
// Output character
PDFTextCharacterInfo info;
info.character = item.character;
info.isVerticalWritingSystem = !isHorizontalWritingSystem;
info.advance = item.advance;
info.fontSize = fontSize;
info.matrix = worldMatrix;
performOutputCharacter(info);
}
}
textMatrix.translate(displacementX, 0.0);