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Refactoring of colors, introducing original color

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This commit is contained in:
Jakub Melka
2021-02-02 19:23:51 +01:00
parent 3a2fa64ac0
commit 975bdba6f6
6 changed files with 132 additions and 50 deletions
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48
Pdf4QtLib/sources/pdftransparencyrenderer.cpp
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@ -514,12 +514,12 @@ void PDFFloatBitmapWithColorSpace::convertToColorSpace(const PDFCMS* cms,
Q_ASSERT(sourceProcessColorBuffer.size() <= targetBuffer.size());
// Copy process colors
auto targetIt = targetBuffer.begin();
PDFColorComponent* targetIt = targetBuffer.begin();
targetIt = std::copy(sourceProcessColorBuffer.cbegin(), sourceProcessColorBuffer.cend(), targetIt);
Q_ASSERT(std::distance(targetIt, targetBuffer.end()) == temporary.getPixelFormat().getSpotColorChannelCount() + temporary.getPixelFormat().getAuxiliaryChannelCount());
auto sourceIt = std::next(sourceSpotColorAndOpacityBuffer.cbegin(), temporary.getPixelFormat().getProcessColorChannelCount());
const PDFColorComponent* sourceIt = std::next(sourceSpotColorAndOpacityBuffer.cbegin(), getPixelFormat().getProcessColorChannelCount());
targetIt = std::copy(sourceIt, sourceSpotColorAndOpacityBuffer.cend(), targetIt);
Q_ASSERT(targetIt == targetBuffer.cend());
@ -571,6 +571,8 @@ void PDFTransparencyRenderer::beginPaint(QSize pixelSize)
Q_ASSERT(m_deviceColorSpace);
Q_ASSERT(m_processColorSpace);
m_painterStateStack.push(PDFTransparencyPainterState());
PDFPixelFormat pixelFormat = PDFPixelFormat::createFormat(uint8_t(m_deviceColorSpace->getColorComponentCount()),
uint8_t(m_inkMapper->getActiveSpotColorCount()),
true, m_deviceColorSpace->getColorComponentCount() == 4);
@ -606,6 +608,7 @@ const PDFFloatBitmap& PDFTransparencyRenderer::endPaint()
Q_ASSERT(m_active);
m_pageTransparencyGroupGuard.reset();
m_active = false;
m_painterStateStack.pop();
return *getImmediateBackdrop();
}
@ -616,18 +619,39 @@ void PDFTransparencyRenderer::performPathPainting(const QPainterPath& path, bool
void PDFTransparencyRenderer::performClipping(const QPainterPath& path, Qt::FillRule fillRule)
{
Q_UNUSED(fillRule);
PDFTransparencyPainterState* painterState = getPainterState();
if (!painterState->clipPath.isEmpty())
{
painterState->clipPath = painterState->clipPath.intersected(getCurrentWorldMatrix().map(path));
}
else
{
painterState->clipPath = getCurrentWorldMatrix().map(path);
}
}
void PDFTransparencyRenderer::performUpdateGraphicsState(const PDFPageContentProcessorState& state)
{
Q_UNUSED(state);
}
void PDFTransparencyRenderer::performSaveGraphicState(ProcessOrder order)
{
if (order == ProcessOrder::AfterOperation)
{
m_painterStateStack.push(m_painterStateStack.top());
}
}
void PDFTransparencyRenderer::performRestoreGraphicState(ProcessOrder order)
{
if (order == ProcessOrder::BeforeOperation)
{
m_painterStateStack.pop();
}
}
void PDFTransparencyRenderer::performBeginTransparencyGroup(ProcessOrder order, const PDFTransparencyGroup& transparencyGroup)
@ -715,6 +739,26 @@ void PDFTransparencyRenderer::performEndTransparencyGroup(ProcessOrder order, co
}
}
PDFReal PDFTransparencyRenderer::getShapeStroking() const
{
return getGraphicState()->getAlphaIsShape() ? getGraphicState()->getAlphaStroking() : 1.0;
}
PDFReal PDFTransparencyRenderer::getOpacityStroking() const
{
return !getGraphicState()->getAlphaIsShape() ? getGraphicState()->getAlphaStroking() : 1.0;
}
PDFReal PDFTransparencyRenderer::getShapeFilling() const
{
return getGraphicState()->getAlphaIsShape() ? getGraphicState()->getAlphaFilling() : 1.0;
}
PDFReal PDFTransparencyRenderer::getOpacityFilling() const
{
return !getGraphicState()->getAlphaIsShape() ? getGraphicState()->getAlphaFilling() : 1.0;
}
void PDFTransparencyRenderer::removeInitialBackdrop()
{
PDFFloatBitmapWithColorSpace* immediateBackdrop = getImmediateBackdrop();