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PDF4QT
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Sample color

This commit is contained in:
Jakub Melka 2021-03-29 20:02:30 +02:00
parent e3c1492452
commit 1bd4e9b53b
2 changed files with 40 additions and 6 deletions
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42
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewwidget.cpp
View File

@ -158,6 +158,16 @@ void OutputPreviewWidget::paintEvent(QPaintEvent* event)
break;
}
case pdfplugin::OutputPreviewWidget::ColorOnly:
{
QRect cellRect = rowRect.marginsRemoved(QMargins(itemHorizontalMargin, 0, itemHorizontalMargin, 0));
QPoint center = cellRect.center();
cellRect.setWidth(cellRect.width() / 4);
cellRect.moveCenter(center);
painter.fillRect(cellRect, infoBoxItem.color);
break;
}
default:
Q_ASSERT(false);
break;
@ -232,14 +242,17 @@ void OutputPreviewWidget::buildInfoBoxItems()
colorValues.reserve(pixelFormat.getColorChannelCount());
Q_ASSERT(pixelFormat.getColorChannelCount() == separations.size());
QColor sampleColor;
std::vector<QColor> inkColors;
if (m_imagePointUnderCursor.has_value())
{
QPoint point = m_imagePointUnderCursor.value();
Q_ASSERT(point.x() >= 0);
Q_ASSERT(point.x() < m_pageImage.width());
Q_ASSERT(point.x() < m_originalProcessBitmap.getWidth());
Q_ASSERT(point.y() >= 0);
Q_ASSERT(point.y() < m_pageImage.height());
Q_ASSERT(point.y() < m_originalProcessBitmap.getHeight());
pdf::PDFColorBuffer buffer = m_originalProcessBitmap.getPixel(point.x(), point.y());
for (int i = 0; i < pixelFormat.getColorChannelCount(); ++i)
@ -247,7 +260,21 @@ void OutputPreviewWidget::buildInfoBoxItems()
const pdf::PDFColorComponent color = buffer[i] * 100.0f;
const int percent = qRound(color);
colorValues << QString("%1 %").arg(percent);
QColor inkColor = separations[i].color;
if (inkColor.isValid())
{
inkColor.setAlphaF(buffer[i]);
inkColors.push_back(inkColor);
}
}
Q_ASSERT(point.x() >= 0);
Q_ASSERT(point.x() < m_pageImage.width());
Q_ASSERT(point.y() >= 0);
Q_ASSERT(point.y() < m_pageImage.height());
sampleColor = m_pageImage.pixelColor(point);
}
else
{
@ -306,6 +333,13 @@ void OutputPreviewWidget::buildInfoBoxItems()
addInfoBoxColoredItem(colorInfo.color, colorInfo.textName, colorValues[colorValueIndex++]);
}
}
if (sampleColor.isValid())
{
addInfoBoxSeparator();
addInfoBoxHeader(tr("Sample Color"));
addInfoBoxColoredRect(sampleColor);
}
}
break;
}
@ -337,9 +371,9 @@ void OutputPreviewWidget::addInfoBoxColoredItem(QColor color, QString caption, Q
m_infoBoxItems.push_back(InfoBoxItem(ColoredItem, color, caption, value));
}
void OutputPreviewWidget::addColoredOval(QColor color)
void OutputPreviewWidget::addInfoBoxColoredRect(QColor color)
{
m_infoBoxItems.push_back(InfoBoxItem(ColoredOval, color, QString(), QString()));
m_infoBoxItems.push_back(InfoBoxItem(ColorOnly, color, QString(), QString()));
}
QColor OutputPreviewWidget::getAlarmColor() const

4
Pdf4QtViewerPlugins/OutputPreviewPlugin/outputpreviewwidget.h
View File

@ -77,14 +77,14 @@ private:
void addInfoBoxHeader(QString caption);
void addInfoBoxSeparator();
void addInfoBoxColoredItem(QColor color, QString caption, QString value);
void addColoredOval(QColor color);
void addInfoBoxColoredRect(QColor color);
enum InfoBoxStyle
{
Header,
Separator,
ColoredItem,
ColoredOval
ColorOnly
};
struct InfoBoxItem