mirror of https://github.com/JakubMelka/PDF4QT.git
Merge remote-tracking branch 'remotes/origin/branches/issue107'
This commit is contained in:
Jakub Melka
commit
e9a87553af
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@ -100,6 +100,8 @@ add_library(Pdf4QtLib SHARED
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sources/pdfobjecteditorwidget_impl.h
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sources/pdfdocumentsanitizer.h
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sources/pdfdocumentsanitizer.cpp
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sources/pdfimageconversion.h
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sources/pdfimageconversion.cpp
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cmaps.qrc
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)
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|
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@ -250,7 +250,7 @@ public:
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using PDFCMSPointer = QSharedPointer<PDFCMS>;
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class PDFCMSGeneric : public PDFCMS
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class PDF4QTLIBSHARED_EXPORT PDFCMSGeneric : public PDFCMS
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{
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public:
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explicit inline PDFCMSGeneric() = default;
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@ -1026,7 +1026,7 @@ void PDFPageContentStreamBuilder::replaceResources(PDFObjectReference contentStr
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QByteArray compressedData = PDFFlateDecodeFilter::compress(decodedStream);
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PDFDictionary updatedDictionary = *contentStreamObject.getStream()->getDictionary();
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updatedDictionary.setEntry(PDFInplaceOrMemoryString("Length"), PDFObject::createInteger(compressedData.size()));
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updatedDictionary.setEntry(PDFInplaceOrMemoryString("Filters"), PDFObject::createArray(std::make_shared<PDFArray>(qMove(array))));
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updatedDictionary.setEntry(PDFInplaceOrMemoryString("Filter"), PDFObject::createArray(std::make_shared<PDFArray>(qMove(array))));
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PDFObject newContentStream = PDFObject::createStream(std::make_shared<PDFStream>(qMove(updatedDictionary), qMove(compressedData)));
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m_documentBuilder->setObject(contentStreamReference, std::move(newContentStream));
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}
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@ -58,6 +58,7 @@ private:
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class PDF4QTLIBSHARED_EXPORT PDFImage
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{
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public:
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PDFImage() = default;
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/// Creates image from the content and the dictionary. If image can't be created, then exception is thrown.
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/// \param document Document
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@ -112,8 +113,6 @@ public:
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const PDFImageData& getSoftMaskData() const { return m_softMask; }
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private:
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PDFImage() = default;
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PDFImageData m_imageData;
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PDFImageData m_softMask;
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PDFColorSpacePointer m_colorSpace;
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@ -0,0 +1,188 @@
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#include "pdfimageconversion.h"
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namespace pdf
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{
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PDFImageConversion::PDFImageConversion()
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{
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}
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void PDFImageConversion::setImage(QImage image)
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{
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m_image = std::move(image);
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m_convertedImage = QImage();
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m_automaticThreshold = DEFAULT_THRESHOLD;
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}
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void PDFImageConversion::setConversionMethod(ConversionMethod method)
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{
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m_conversionMethod = method;
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}
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void PDFImageConversion::setThreshold(int threshold)
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{
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m_manualThreshold = threshold;
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}
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bool PDFImageConversion::convert()
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{
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if (m_image.isNull())
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{
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return false;
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}
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QImage bitonal(m_image.width(), m_image.height(), QImage::Format_Mono);
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bitonal.fill(0);
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// Thresholding
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int threshold = DEFAULT_THRESHOLD;
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switch (m_conversionMethod)
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{
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case pdf::PDFImageConversion::ConversionMethod::Automatic:
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m_automaticThreshold = calculateOtsu1DThreshold();
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threshold = m_automaticThreshold;
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break;
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case pdf::PDFImageConversion::ConversionMethod::Manual:
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threshold = m_manualThreshold;
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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for (int y = 0; y < m_image.height(); ++y)
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{
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for (int x = 0; x < m_image.width(); ++x)
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{
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QColor pixelColor = m_image.pixelColor(x, y);
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int pixelValue = pixelColor.lightness();
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bool bit = (pixelValue >= threshold);
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bitonal.setPixel(x, y, bit);
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}
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}
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m_convertedImage = std::move(bitonal);
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return true;
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}
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int PDFImageConversion::getThreshold() const
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{
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switch (m_conversionMethod)
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{
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case pdf::PDFImageConversion::ConversionMethod::Automatic:
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return m_automaticThreshold;
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case pdf::PDFImageConversion::ConversionMethod::Manual:
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return m_manualThreshold;
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default:
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Q_ASSERT(false);
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break;
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}
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return DEFAULT_THRESHOLD;
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}
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QImage PDFImageConversion::getConvertedImage() const
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{
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return m_convertedImage;
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}
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int PDFImageConversion::calculateOtsu1DThreshold() const
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{
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if (m_image.isNull())
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{
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return 128;
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}
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// Histogram of lightness occurences
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std::array<int, 256> histogram = { };
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for (int x = 0; x < m_image.width(); ++x)
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{
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for (int y = 0; y < m_image.height(); ++y)
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{
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int lightness = m_image.pixelColor(x, y).lightness();
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Q_ASSERT(lightness >= 0 && lightness <= 255);
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int clampedLightness = qBound(0, lightness, 255);
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histogram[clampedLightness] += 1;
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}
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}
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float factor = 1.0f / float(m_image.width() * m_image.height());
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std::array<float, 256> normalizedHistogram = { };
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std::array<float, 256> cumulativeProbabilities = { };
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std::array<float, 256> interClassVariance = { };
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// Compute probabilities
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for (size_t i = 0; i < histogram.size(); ++i)
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{
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normalizedHistogram[i] = histogram[i] * factor;
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cumulativeProbabilities[i] = normalizedHistogram[i];
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if (i > 0)
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{
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cumulativeProbabilities[i] += cumulativeProbabilities[i - 1];
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}
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}
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// Calculate the inter-class variance for each threshold. Variables
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// with the subscript 0 denote the background, while those with
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// subscript 1 denote the foreground.
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for (size_t i = 0; i < histogram.size(); ++i)
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{
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const float w0 = cumulativeProbabilities[i] - normalizedHistogram[i];
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const float w1 = 1.0f - w0;
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float u0 = 0.0f;
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float u1 = 0.0f;
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// Calculate mean intensity value of the background.
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if (!qFuzzyIsNull(w0))
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{
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for (size_t j = 0; j < i; ++j)
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{
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u0 += j * normalizedHistogram[j];
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}
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u0 /= w0;
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}
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// Calculate mean intensity value of the foreground.
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if (!qFuzzyIsNull(w1))
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{
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for (size_t j = i; j < histogram.size(); ++j)
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{
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u1 += j * normalizedHistogram[j];
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}
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u1 /= w1;
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}
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const float variance = w0 * w1 * std::powf(u0 - u1, 2);
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interClassVariance[i] = variance;
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}
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// Find maximal value of the variance
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size_t maxVarianceIndex = 0;
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float maxVarianceValue = 0.0f;
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||||
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for (size_t i = 0; i < interClassVariance.size(); ++i)
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{
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if (interClassVariance[i] > maxVarianceValue)
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{
|
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maxVarianceValue = interClassVariance[i];
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maxVarianceIndex = i;
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}
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}
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return int(maxVarianceIndex);
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}
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} // namespace pdf
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@ -0,0 +1,97 @@
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// Copyright (C) 2023 Jakub Melka
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//
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||||
// This file is part of PDF4QT.
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||||
//
|
||||
// PDF4QT is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// with the written consent of the copyright owner, any later version.
|
||||
//
|
||||
// PDF4QT is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
#ifndef PDFIMAGECONVERSION_H
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#define PDFIMAGECONVERSION_H
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#include "pdfglobal.h"
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#include <QImage>
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||||
|
||||
namespace pdf
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||||
{
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||||
/// This class facilitates various image conversions,
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/// including transforming colored images into monochromatic (or bitonal) formats.
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||||
class PDF4QTLIBSHARED_EXPORT PDFImageConversion
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||||
{
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public:
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PDFImageConversion();
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enum class ConversionMethod
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{
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Automatic, ///< The threshold is determined automatically using an algorithm.
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Manual ///< The threshold is manually provided by the user.
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};
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/// Sets the image to be converted using the specified conversion method.
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/// This operation resets any previously converted image and the automatic threshold,
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/// thereby erasing all prior image data.
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/// \param image The image to be set for conversion.
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void setImage(QImage image);
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/// Sets the method for image conversion. Multiple methods are available
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/// for selection. If the manual method is chosen, an appropriate threshold
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/// must also be set by the user.
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/// \param method The conversion method to be used.
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void setConversionMethod(ConversionMethod method);
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/// Sets the manual threshold value. When a non-manual (e.g., automatic) conversion
|
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/// method is in use, this function will retain the manual threshold settings,
|
||||
/// but the conversion will utilize an automatically calculated threshold for the image.
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/// The manually set threshold is preserved and not overwritten. Therefore, if the
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/// manual conversion method is later selected, the previously established manual
|
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/// threshold will be applied.
|
||||
/// \param threshold The manual threshold value to be set.
|
||||
void setThreshold(int threshold);
|
||||
|
||||
/// This method converts the image into a bitonal (monochromatic) format. If
|
||||
/// the automatic threshold calculation is enabled, it executes Otsu's 1D algorithm
|
||||
/// to determine the threshold. When the manual conversion method is selected,
|
||||
/// the automatic threshold calculation is bypassed, and the predefined manual threshold
|
||||
/// value is utilized instead. This method returns true if the conversion is
|
||||
/// successful, and false otherwise.
|
||||
bool convert();
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||||
|
||||
/// Returns the threshold used in image conversion. If the automatic conversion method is
|
||||
/// selected, this function should be called only after executing the convert() method;
|
||||
/// otherwise, it may return invalid data. The automatic threshold calculation is
|
||||
/// performed within the convert() method.
|
||||
/// \returns The threshold value used in image conversion.
|
||||
int getThreshold() const;
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||||
|
||||
/// Returns the converted image. This method should only be called after
|
||||
/// the convert() method has been executed, and additionally, only if the
|
||||
/// convert() method returns true. If these conditions are not met, the result
|
||||
/// is undefined.
|
||||
QImage getConvertedImage() const;
|
||||
|
||||
private:
|
||||
int calculateOtsu1DThreshold() const;
|
||||
|
||||
static constexpr int DEFAULT_THRESHOLD = 128;
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||||
|
||||
QImage m_image;
|
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QImage m_convertedImage;
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||||
ConversionMethod m_conversionMethod = ConversionMethod::Automatic;
|
||||
int m_automaticThreshold = DEFAULT_THRESHOLD;
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int m_manualThreshold = DEFAULT_THRESHOLD;
|
||||
};
|
||||
|
||||
} // namespace pdf
|
||||
|
||||
#endif // PDFIMAGECONVERSION_H
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|
|
@ -190,7 +190,7 @@ private:
|
|||
};
|
||||
|
||||
/// Bit writer
|
||||
class PDFBitWriter
|
||||
class PDF4QTLIBSHARED_EXPORT PDFBitWriter
|
||||
{
|
||||
public:
|
||||
using Value = uint64_t;
|
||||
|
|
|
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|
|
@ -47,6 +47,9 @@ add_library(Pdf4QtViewer SHARED
|
|||
pdfsanitizedocumentdialog.ui
|
||||
pdfsanitizedocumentdialog.cpp
|
||||
pdfsanitizedocumentdialog.h
|
||||
pdfcreatebitonaldocumentdialog.ui
|
||||
pdfcreatebitonaldocumentdialog.cpp
|
||||
pdfcreatebitonaldocumentdialog.h
|
||||
pdf4qtviewer.qrc
|
||||
)
|
||||
|
||||
|
|
@ -59,7 +62,7 @@ GENERATE_EXPORT_HEADER(Pdf4QtViewer
|
|||
PDF4QTVIEWERLIBSHARED_EXPORT
|
||||
EXPORT_FILE_NAME "${CMAKE_BINARY_DIR}/${INSTALL_INCLUDEDIR}/pdf4qtviewer_export.h")
|
||||
|
||||
target_link_libraries(Pdf4QtViewer PRIVATE Pdf4QtLib Qt6::Core Qt6::Gui Qt6::Widgets Qt6::PrintSupport Qt6::TextToSpeech Qt6::Xml Qt6::OpenGLWidgets)
|
||||
target_link_libraries(Pdf4QtViewer PRIVATE Pdf4QtLib Qt6::Core Qt6::Gui Qt6::Widgets Qt6::PrintSupport Qt6::TextToSpeech Qt6::Xml Qt6::Svg Qt6::OpenGLWidgets)
|
||||
target_include_directories(Pdf4QtViewer INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
|
||||
target_include_directories(Pdf4QtViewer PUBLIC ${CMAKE_BINARY_DIR}/${INSTALL_INCLUDEDIR})
|
||||
|
||||
|
|
|
|||
|
|
@ -102,5 +102,7 @@
|
|||
<file>resources/book.svg</file>
|
||||
<file>resources/wallet.svg</file>
|
||||
<file>resources/web.svg</file>
|
||||
<file>resources/create-bitonal-document.svg</file>
|
||||
<file>resources/sanitize-document.svg</file>
|
||||
</qresource>
|
||||
</RCC>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,510 @@
|
|||
// Copyright (C) 2023 Jakub Melka
|
||||
//
|
||||
// This file is part of PDF4QT.
|
||||
//
|
||||
// PDF4QT is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// with the written consent of the copyright owner, any later version.
|
||||
//
|
||||
// PDF4QT is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
#include "pdfcreateBitonaldocumentdialog.h"
|
||||
#include "ui_pdfcreateBitonaldocumentdialog.h"
|
||||
|
||||
#include "pdfwidgetutils.h"
|
||||
#include "pdfdocumentwriter.h"
|
||||
#include "pdfimage.h"
|
||||
#include "pdfdbgheap.h"
|
||||
#include "pdfexception.h"
|
||||
#include "pdfwidgetutils.h"
|
||||
#include "pdfimageconversion.h"
|
||||
#include "pdfstreamfilters.h"
|
||||
#include "pdfutils.h"
|
||||
|
||||
#include <QCheckBox>
|
||||
#include <QPushButton>
|
||||
#include <QElapsedTimer>
|
||||
#include <QtConcurrent/QtConcurrent>
|
||||
#include <QListWidget>
|
||||
#include <QStyledItemDelegate>
|
||||
#include <QPainter>
|
||||
#include <QtSvg/QSvgRenderer>
|
||||
#include <QMouseEvent>
|
||||
#include <QToolTip>
|
||||
|
||||
namespace pdfviewer
|
||||
{
|
||||
|
||||
PDFCreateBitonalDocumentPreviewWidget::PDFCreateBitonalDocumentPreviewWidget(QWidget* parent) :
|
||||
QWidget(parent)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
PDFCreateBitonalDocumentPreviewWidget::~PDFCreateBitonalDocumentPreviewWidget()
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentPreviewWidget::paintEvent(QPaintEvent* event)
|
||||
{
|
||||
Q_UNUSED(event);
|
||||
|
||||
QPainter painter(this);
|
||||
painter.fillRect(rect(), Qt::white);
|
||||
|
||||
// Caption rect
|
||||
QRect captionRect = rect();
|
||||
captionRect.setHeight(painter.fontMetrics().lineSpacing() * 2);
|
||||
|
||||
painter.fillRect(captionRect, QColor::fromRgb(0, 0, 128, 255));
|
||||
|
||||
if (!m_caption.isEmpty())
|
||||
{
|
||||
painter.setPen(Qt::white);
|
||||
painter.drawText(captionRect, m_caption, QTextOption(Qt::AlignCenter));
|
||||
}
|
||||
|
||||
QRect imageRect = rect();
|
||||
imageRect.setTop(captionRect.bottom());
|
||||
imageRect = imageRect.adjusted(16, 16, -32, -32);
|
||||
|
||||
if (imageRect.isValid() && !m_image.isNull())
|
||||
{
|
||||
QRect imageDrawRect = imageRect;
|
||||
imageDrawRect.setSize(m_image.size().scaled(imageRect.size(), Qt::KeepAspectRatio));
|
||||
imageDrawRect.moveCenter(imageRect.center());
|
||||
painter.drawImage(imageDrawRect, m_image);
|
||||
}
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentPreviewWidget::setCaption(QString caption)
|
||||
{
|
||||
if (m_caption != caption)
|
||||
{
|
||||
m_caption = caption;
|
||||
update();
|
||||
}
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentPreviewWidget::setImage(QImage image)
|
||||
{
|
||||
m_image = std::move(image);
|
||||
update();
|
||||
}
|
||||
|
||||
class ImagePreviewDelegate : public QStyledItemDelegate
|
||||
{
|
||||
public:
|
||||
ImagePreviewDelegate(std::vector<PDFCreateBitonalDocumentDialog::ImageConversionInfo>* imageConversionInfos, QObject* parent) :
|
||||
QStyledItemDelegate(parent),
|
||||
m_imageConversionInfos(imageConversionInfos)
|
||||
{
|
||||
m_yesRenderer.load(QString(":/resources/result-ok.svg"));
|
||||
m_noRenderer.load(QString(":/resources/result-error.svg"));
|
||||
}
|
||||
|
||||
virtual void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
|
||||
{
|
||||
QStyledItemDelegate::paint(painter, option, index);
|
||||
|
||||
QRect markRect = getMarkRect(option);
|
||||
|
||||
if (index.isValid())
|
||||
{
|
||||
const PDFCreateBitonalDocumentDialog::ImageConversionInfo& info = m_imageConversionInfos->at(index.row());
|
||||
if (info.conversionEnabled)
|
||||
{
|
||||
m_yesRenderer.render(painter, markRect);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_noRenderer.render(painter, markRect);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
virtual bool editorEvent(QEvent* event,
|
||||
QAbstractItemModel* model,
|
||||
const QStyleOptionViewItem& option,
|
||||
const QModelIndex& index)
|
||||
{
|
||||
Q_UNUSED(model);
|
||||
Q_UNUSED(index);
|
||||
|
||||
if (event->type() == QEvent::MouseButtonPress && index.isValid())
|
||||
{
|
||||
QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
|
||||
if (mouseEvent && mouseEvent->button() == Qt::LeftButton)
|
||||
{
|
||||
// Do we click on yes/no mark?
|
||||
QRectF markRect = getMarkRect(option);
|
||||
if (markRect.contains(mouseEvent->position()))
|
||||
{
|
||||
PDFCreateBitonalDocumentDialog::ImageConversionInfo& info = m_imageConversionInfos->at(index.row());
|
||||
info.conversionEnabled = !info.conversionEnabled;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
virtual bool helpEvent(QHelpEvent* event,
|
||||
QAbstractItemView* view,
|
||||
const QStyleOptionViewItem& option,
|
||||
const QModelIndex& index) override
|
||||
{
|
||||
Q_UNUSED(index);
|
||||
|
||||
if (!event || !view)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
if (event->type() == QEvent::ToolTip)
|
||||
{
|
||||
// Are we hovering over yes/no mark?
|
||||
QRectF markRect = getMarkRect(option);
|
||||
if (markRect.contains(event->pos()))
|
||||
{
|
||||
event->accept();
|
||||
QToolTip::showText(event->globalPos(), tr("Toggle this icon to switch image conversion to bitonic format on or off."), view);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
private:
|
||||
static constexpr QSize s_iconSize = QSize(24, 24);
|
||||
|
||||
QRect getMarkRect(const QStyleOptionViewItem& option) const
|
||||
{
|
||||
QSize markSize = pdf::PDFWidgetUtils::scaleDPI(option.widget, s_iconSize);
|
||||
QRect markRect(option.rect.left(), option.rect.top(), markSize.width(), markSize.height());
|
||||
return markRect;
|
||||
}
|
||||
|
||||
std::vector<PDFCreateBitonalDocumentDialog::ImageConversionInfo>* m_imageConversionInfos;
|
||||
mutable QSvgRenderer m_yesRenderer;
|
||||
mutable QSvgRenderer m_noRenderer;
|
||||
};
|
||||
|
||||
PDFCreateBitonalDocumentDialog::PDFCreateBitonalDocumentDialog(const pdf::PDFDocument* document,
|
||||
const pdf::PDFCMS* cms,
|
||||
pdf::PDFProgress* progress,
|
||||
QWidget* parent) :
|
||||
QDialog(parent),
|
||||
ui(new Ui::PDFCreateBitonalDocumentDialog),
|
||||
m_document(document),
|
||||
m_cms(cms),
|
||||
m_createBitonalDocumentButton(nullptr),
|
||||
m_conversionInProgress(false),
|
||||
m_processed(false),
|
||||
m_leftPreviewWidget(new PDFCreateBitonalDocumentPreviewWidget(this)),
|
||||
m_rightPreviewWidget(new PDFCreateBitonalDocumentPreviewWidget(this)),
|
||||
m_progress(progress)
|
||||
{
|
||||
ui->setupUi(this);
|
||||
|
||||
m_leftPreviewWidget->setCaption(tr("ORIGINAL"));
|
||||
m_rightPreviewWidget->setCaption(tr("BITONIC"));
|
||||
|
||||
ui->mainGridLayout->addWidget(m_leftPreviewWidget, 1, 1);
|
||||
ui->mainGridLayout->addWidget(m_rightPreviewWidget, 1, 2);
|
||||
|
||||
m_classifier.classify(document);
|
||||
m_imageReferences = m_classifier.getObjectsByType(pdf::PDFObjectClassifier::Image);
|
||||
|
||||
m_createBitonalDocumentButton = ui->buttonBox->addButton(tr("Perform"), QDialogButtonBox::ActionRole);
|
||||
connect(m_createBitonalDocumentButton, &QPushButton::clicked, this, &PDFCreateBitonalDocumentDialog::onCreateBitonalDocumentButtonClicked);
|
||||
connect(ui->automaticThresholdRadioButton, &QRadioButton::clicked, this, &PDFCreateBitonalDocumentDialog::updateUi);
|
||||
connect(ui->manualThresholdRadioButton, &QRadioButton::clicked, this, &PDFCreateBitonalDocumentDialog::updateUi);
|
||||
connect(ui->automaticThresholdRadioButton, &QRadioButton::clicked, this, &PDFCreateBitonalDocumentDialog::updatePreview);
|
||||
connect(ui->manualThresholdRadioButton, &QRadioButton::clicked, this, &PDFCreateBitonalDocumentDialog::updatePreview);
|
||||
connect(ui->imageListWidget, &QListWidget::currentItemChanged, this, &PDFCreateBitonalDocumentDialog::updatePreview);
|
||||
connect(ui->thresholdEditBox, &QSpinBox::editingFinished, this, &PDFCreateBitonalDocumentDialog::updatePreview);
|
||||
|
||||
pdf::PDFWidgetUtils::scaleWidget(this, QSize(1024, 768));
|
||||
updateUi();
|
||||
pdf::PDFWidgetUtils::style(this);
|
||||
|
||||
ui->imageListWidget->setItemDelegate( new ImagePreviewDelegate(&m_imagesToBeConverted, this));
|
||||
|
||||
setGeometry(parent->geometry());
|
||||
|
||||
loadImages();
|
||||
updatePreview();
|
||||
}
|
||||
|
||||
PDFCreateBitonalDocumentDialog::~PDFCreateBitonalDocumentDialog()
|
||||
{
|
||||
Q_ASSERT(!m_conversionInProgress);
|
||||
Q_ASSERT(!m_future.isRunning());
|
||||
|
||||
delete ui;
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentDialog::onPerformFinished()
|
||||
{
|
||||
m_future.waitForFinished();
|
||||
m_conversionInProgress = false;
|
||||
m_processed = true;
|
||||
updateUi();
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentDialog::createBitonalDocument()
|
||||
{
|
||||
std::vector<ImageConversionInfo> imagesToBeConverted;
|
||||
std::copy_if(m_imagesToBeConverted.begin(), m_imagesToBeConverted.end(), std::back_inserter(imagesToBeConverted), [](const auto& item) { return item.conversionEnabled; });
|
||||
|
||||
// Do we have something to be converted?
|
||||
if (imagesToBeConverted.empty())
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
pdf::ProgressStartupInfo info;
|
||||
info.showDialog = true;
|
||||
info.text = tr("Converting images...");
|
||||
m_progress->start(imagesToBeConverted.size(), std::move(info));
|
||||
|
||||
pdf::PDFObjectStorage storage = m_document->getStorage();
|
||||
|
||||
pdf::PDFCMSGeneric genericCms;
|
||||
pdf::PDFRenderErrorReporterDummy errorReporter;
|
||||
|
||||
for (int i = 0; i < imagesToBeConverted.size(); ++i)
|
||||
{
|
||||
pdf::PDFObjectReference reference = imagesToBeConverted[i].imageReference;
|
||||
std::optional<pdf::PDFImage> pdfImage = getImageFromReference(reference);
|
||||
|
||||
QImage image;
|
||||
try
|
||||
{
|
||||
image = pdfImage->getImage(&genericCms, &errorReporter, nullptr);
|
||||
}
|
||||
catch (pdf::PDFException)
|
||||
{
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
// Just for code safety - this should never occur in here.
|
||||
if (image.isNull())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
pdf::PDFImageConversion imageConversion;
|
||||
imageConversion.setConversionMethod(m_conversionMethod);
|
||||
imageConversion.setThreshold(m_manualThreshold);
|
||||
imageConversion.setImage(image);
|
||||
|
||||
if (imageConversion.convert())
|
||||
{
|
||||
QImage bitonicImage = imageConversion.getConvertedImage();
|
||||
Q_ASSERT(bitonicImage.format() == QImage::Format_Mono);
|
||||
|
||||
pdf::PDFBitWriter bitWriter(1);
|
||||
bitWriter.reserve(bitonicImage.sizeInBytes());
|
||||
for (int row = 0; row < bitonicImage.height(); ++row)
|
||||
{
|
||||
for (int col = 0; col < bitonicImage.width(); ++col)
|
||||
{
|
||||
QRgb pixelValue = bitonicImage.pixel(col, row);
|
||||
QRgb withoutAlphaValue = pixelValue & 0xFFFFFF;
|
||||
int value = withoutAlphaValue > 0 ? 1 : 0;
|
||||
bitWriter.write(value);
|
||||
}
|
||||
|
||||
bitWriter.finishLine();
|
||||
}
|
||||
|
||||
QByteArray imageData = bitWriter.takeByteArray();
|
||||
QByteArray compressedData = pdf::PDFFlateDecodeFilter::compress(imageData);
|
||||
|
||||
pdf::PDFArray array;
|
||||
array.appendItem(pdf::PDFObject::createName("FlateDecode"));
|
||||
|
||||
pdf::PDFDictionary dictionary;
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("Type"), pdf::PDFObject::createName("XObject"));
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("Subtype"), pdf::PDFObject::createName("Image"));
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("Width"), pdf::PDFObject::createInteger(image.width()));
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("Height"), pdf::PDFObject::createInteger(image.height()));
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("ColorSpace"), pdf::PDFObject::createName("DeviceGray"));
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("BitsPerComponent"), pdf::PDFObject::createInteger(1));
|
||||
dictionary.addEntry(pdf::PDFInplaceOrMemoryString("Predictor"), pdf::PDFObject::createInteger(1));
|
||||
dictionary.setEntry(pdf::PDFInplaceOrMemoryString("Length"), pdf::PDFObject::createInteger(compressedData.size()));
|
||||
dictionary.setEntry(pdf::PDFInplaceOrMemoryString("Filter"), pdf::PDFObject::createArray(std::make_shared<pdf::PDFArray>(qMove(array))));
|
||||
|
||||
pdf::PDFObject imageObject = pdf::PDFObject::createStream(std::make_shared<pdf::PDFStream>(qMove(dictionary), qMove(compressedData)));
|
||||
storage.setObject(reference, std::move(imageObject));
|
||||
}
|
||||
|
||||
m_progress->step();
|
||||
}
|
||||
|
||||
m_bitonalDocument = pdf::PDFDocument(std::move(storage), m_document->getInfo()->version, QByteArray());
|
||||
|
||||
m_progress->finish();
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentDialog::onCreateBitonalDocumentButtonClicked()
|
||||
{
|
||||
Q_ASSERT(!m_conversionInProgress);
|
||||
Q_ASSERT(!m_future.isRunning());
|
||||
|
||||
m_conversionMethod = ui->automaticThresholdRadioButton->isChecked() ? pdf::PDFImageConversion::ConversionMethod::Automatic : pdf::PDFImageConversion::ConversionMethod::Manual;
|
||||
m_manualThreshold = ui->thresholdEditBox->value();
|
||||
|
||||
m_conversionInProgress = true;
|
||||
m_future = QtConcurrent::run([this]() { createBitonalDocument(); });
|
||||
m_futureWatcher.emplace();
|
||||
connect(&m_futureWatcher.value(), &QFutureWatcher<void>::finished, this, &PDFCreateBitonalDocumentDialog::onPerformFinished);
|
||||
m_futureWatcher->setFuture(m_future);
|
||||
updateUi();
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentDialog::loadImages()
|
||||
{
|
||||
QSize iconSize(QSize(256, 256));
|
||||
ui->imageListWidget->setIconSize(iconSize);
|
||||
QSize imageSize = iconSize * ui->imageListWidget->devicePixelRatioF();
|
||||
|
||||
for (pdf::PDFObjectReference reference : m_imageReferences)
|
||||
{
|
||||
std::optional<pdf::PDFImage> pdfImage = getImageFromReference(reference);
|
||||
if (!pdfImage)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
pdf::PDFCMSGeneric genericCms;
|
||||
pdf::PDFRenderErrorReporterDummy errorReporter;
|
||||
QImage image;
|
||||
|
||||
try
|
||||
{
|
||||
image = pdfImage->getImage(&genericCms, &errorReporter, nullptr);
|
||||
}
|
||||
catch (pdf::PDFException)
|
||||
{
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
if (image.isNull())
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
QListWidgetItem* item = new QListWidgetItem(ui->imageListWidget);
|
||||
image = image.scaled(imageSize.width(), imageSize.height(), Qt::KeepAspectRatio, Qt::FastTransformation);
|
||||
item->setIcon(QIcon(QPixmap::fromImage(image)));
|
||||
Qt::ItemFlags flags = item->flags();
|
||||
flags.setFlag(Qt::ItemIsEditable, true);
|
||||
item->setFlags(flags);
|
||||
|
||||
ImageConversionInfo imageConversionInfo;
|
||||
imageConversionInfo.imageReference = reference;
|
||||
imageConversionInfo.conversionEnabled = true;
|
||||
m_imagesToBeConverted.push_back(imageConversionInfo);
|
||||
}
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentDialog::updateUi()
|
||||
{
|
||||
ui->thresholdEditBox->setEnabled(ui->manualThresholdRadioButton->isChecked());
|
||||
|
||||
ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(m_processed && !m_conversionInProgress);
|
||||
ui->buttonBox->button(QDialogButtonBox::Cancel)->setEnabled(!m_conversionInProgress);
|
||||
m_createBitonalDocumentButton->setEnabled(!m_conversionInProgress);
|
||||
}
|
||||
|
||||
void PDFCreateBitonalDocumentDialog::updatePreview()
|
||||
{
|
||||
QModelIndex index = ui->imageListWidget->currentIndex();
|
||||
|
||||
m_previewImageLeft = QImage();
|
||||
m_previewImageRight = QImage();
|
||||
|
||||
if (index.isValid())
|
||||
{
|
||||
const ImageConversionInfo& info = m_imagesToBeConverted.at(index.row());
|
||||
|
||||
std::optional<pdf::PDFImage> pdfImage = getImageFromReference(info.imageReference);
|
||||
Q_ASSERT(pdfImage);
|
||||
|
||||
pdf::PDFCMSGeneric cmsGeneric;
|
||||
pdf::PDFRenderErrorReporterDummy reporter;
|
||||
QImage image = pdfImage->getImage(&cmsGeneric, &reporter, nullptr);
|
||||
|
||||
pdf::PDFImageConversion imageConversion;
|
||||
imageConversion.setConversionMethod(ui->automaticThresholdRadioButton->isChecked() ? pdf::PDFImageConversion::ConversionMethod::Automatic : pdf::PDFImageConversion::ConversionMethod::Manual);
|
||||
imageConversion.setThreshold(ui->thresholdEditBox->value());
|
||||
imageConversion.setImage(image);
|
||||
|
||||
if (imageConversion.convert())
|
||||
{
|
||||
m_previewImageLeft = image;
|
||||
m_previewImageRight = imageConversion.getConvertedImage();
|
||||
}
|
||||
}
|
||||
|
||||
m_leftPreviewWidget->setImage(m_previewImageLeft);
|
||||
m_rightPreviewWidget->setImage(m_previewImageRight);
|
||||
}
|
||||
|
||||
std::optional<pdf::PDFImage> PDFCreateBitonalDocumentDialog::getImageFromReference(pdf::PDFObjectReference reference) const
|
||||
{
|
||||
std::optional<pdf::PDFImage> pdfImage;
|
||||
pdf::PDFObject imageObject = m_document->getObjectByReference(reference);
|
||||
pdf::PDFRenderErrorReporterDummy errorReporter;
|
||||
|
||||
if (!imageObject.isStream())
|
||||
{
|
||||
// Image is not stream
|
||||
return pdfImage;
|
||||
}
|
||||
|
||||
const pdf::PDFStream* stream = imageObject.getStream();
|
||||
try
|
||||
{
|
||||
pdf::PDFColorSpacePointer colorSpace;
|
||||
const pdf::PDFDictionary* streamDictionary = stream->getDictionary();
|
||||
if (streamDictionary->hasKey("ColorSpace"))
|
||||
{
|
||||
const pdf::PDFObject& colorSpaceObject = m_document->getObject(streamDictionary->get("ColorSpace"));
|
||||
if (colorSpaceObject.isName() || colorSpaceObject.isArray())
|
||||
{
|
||||
pdf::PDFDictionary dummyDictionary;
|
||||
colorSpace = pdf::PDFAbstractColorSpace::createColorSpace(&dummyDictionary, m_document, colorSpaceObject);
|
||||
}
|
||||
}
|
||||
pdfImage.emplace(pdf::PDFImage::createImage(m_document,
|
||||
stream,
|
||||
colorSpace,
|
||||
false,
|
||||
pdf::RenderingIntent::Perceptual,
|
||||
&errorReporter));
|
||||
}
|
||||
catch (pdf::PDFException)
|
||||
{
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
return pdfImage;
|
||||
}
|
||||
|
||||
} // namespace pdfviewer
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,114 @@
|
|||
// Copyright (C) 2023 Jakub Melka
|
||||
//
|
||||
// This file is part of PDF4QT.
|
||||
//
|
||||
// PDF4QT is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// with the written consent of the copyright owner, any later version.
|
||||
//
|
||||
// PDF4QT is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
#ifndef PDFCREATEBITONALDOCUMENTDIALOG_H
|
||||
#define PDFCREATEBITONALDOCUMENTDIALOG_H
|
||||
|
||||
#include "pdfcms.h"
|
||||
#include "pdfdocument.h"
|
||||
#include "pdfobjectutils.h"
|
||||
#include "pdfimage.h"
|
||||
#include "pdfimageconversion.h"
|
||||
#include "pdfprogress.h"
|
||||
|
||||
#include <QDialog>
|
||||
#include <QFuture>
|
||||
|
||||
namespace Ui
|
||||
{
|
||||
class PDFCreateBitonalDocumentDialog;
|
||||
}
|
||||
|
||||
namespace pdfviewer
|
||||
{
|
||||
|
||||
class PDFCreateBitonalDocumentPreviewWidget : public QWidget
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
PDFCreateBitonalDocumentPreviewWidget(QWidget* parent);
|
||||
virtual ~PDFCreateBitonalDocumentPreviewWidget() override;
|
||||
|
||||
virtual void paintEvent(QPaintEvent* event) override;
|
||||
|
||||
void setCaption(QString caption);
|
||||
void setImage(QImage image);
|
||||
|
||||
private:
|
||||
QString m_caption;
|
||||
QImage m_image;
|
||||
};
|
||||
|
||||
class PDFCreateBitonalDocumentDialog : public QDialog
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
explicit PDFCreateBitonalDocumentDialog(const pdf::PDFDocument* document,
|
||||
const pdf::PDFCMS* cms,
|
||||
pdf::PDFProgress* progress,
|
||||
QWidget* parent);
|
||||
virtual ~PDFCreateBitonalDocumentDialog() override;
|
||||
|
||||
pdf::PDFDocument takeBitonaldDocument() { return qMove(m_bitonalDocument); }
|
||||
|
||||
struct ImageConversionInfo
|
||||
{
|
||||
pdf::PDFObjectReference imageReference;
|
||||
bool conversionEnabled = true;
|
||||
};
|
||||
|
||||
private:
|
||||
void createBitonalDocument();
|
||||
void onCreateBitonalDocumentButtonClicked();
|
||||
void onPerformFinished();
|
||||
void loadImages();
|
||||
|
||||
void updateUi();
|
||||
void updatePreview();
|
||||
|
||||
std::optional<pdf::PDFImage> getImageFromReference(pdf::PDFObjectReference reference) const;
|
||||
|
||||
Ui::PDFCreateBitonalDocumentDialog* ui;
|
||||
const pdf::PDFDocument* m_document;
|
||||
const pdf::PDFCMS* m_cms;
|
||||
QPushButton* m_createBitonalDocumentButton;
|
||||
bool m_conversionInProgress;
|
||||
bool m_processed;
|
||||
QFuture<void> m_future;
|
||||
std::optional<QFutureWatcher<void>> m_futureWatcher;
|
||||
pdf::PDFDocument m_bitonalDocument;
|
||||
pdf::PDFObjectClassifier m_classifier;
|
||||
std::vector<pdf::PDFObjectReference> m_imageReferences;
|
||||
std::vector<ImageConversionInfo> m_imagesToBeConverted;
|
||||
|
||||
QImage m_previewImageLeft;
|
||||
QImage m_previewImageRight;
|
||||
|
||||
PDFCreateBitonalDocumentPreviewWidget* m_leftPreviewWidget;
|
||||
PDFCreateBitonalDocumentPreviewWidget* m_rightPreviewWidget;
|
||||
|
||||
pdf::PDFProgress* m_progress;
|
||||
|
||||
pdf::PDFImageConversion::ConversionMethod m_conversionMethod = pdf::PDFImageConversion::ConversionMethod::Automatic;
|
||||
int m_manualThreshold = 128;
|
||||
};
|
||||
|
||||
} // namespace pdfviewer
|
||||
|
||||
#endif // PDFCREATEBITONALDOCUMENTDIALOG_H
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<ui version="4.0">
|
||||
<class>PDFCreateBitonalDocumentDialog</class>
|
||||
<widget class="QDialog" name="PDFCreateBitonalDocumentDialog">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>741</width>
|
||||
<height>530</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="windowTitle">
|
||||
<string>Create Bitonal Document</string>
|
||||
</property>
|
||||
<layout class="QGridLayout" name="mainGridLayout" rowstretch="0,1,0" columnstretch="2,1,1">
|
||||
<item row="2" column="0" colspan="3">
|
||||
<widget class="QDialogButtonBox" name="buttonBox">
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
<property name="standardButtons">
|
||||
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="1" colspan="2">
|
||||
<widget class="QGroupBox" name="createBitonalSettingsGroupBox">
|
||||
<property name="title">
|
||||
<string>Color to Bitonal Conversion Options</string>
|
||||
</property>
|
||||
<layout class="QGridLayout" name="optionsGridLayout">
|
||||
<item row="0" column="0">
|
||||
<widget class="QRadioButton" name="automaticThresholdRadioButton">
|
||||
<property name="text">
|
||||
<string>Automatic (Otsu's 1D method)</string>
|
||||
</property>
|
||||
<property name="checked">
|
||||
<bool>true</bool>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="1">
|
||||
<widget class="QSpinBox" name="thresholdEditBox">
|
||||
<property name="maximum">
|
||||
<number>255</number>
|
||||
</property>
|
||||
<property name="value">
|
||||
<number>128</number>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="0">
|
||||
<widget class="QRadioButton" name="manualThresholdRadioButton">
|
||||
<property name="text">
|
||||
<string>User-Defined Intensity Threshold (0-255):</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="0" rowspan="2">
|
||||
<widget class="QListWidget" name="imageListWidget">
|
||||
<property name="resizeMode">
|
||||
<enum>QListView::Adjust</enum>
|
||||
</property>
|
||||
<property name="viewMode">
|
||||
<enum>QListView::IconMode</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
<resources/>
|
||||
<connections>
|
||||
<connection>
|
||||
<sender>buttonBox</sender>
|
||||
<signal>accepted()</signal>
|
||||
<receiver>PDFCreateBitonalDocumentDialog</receiver>
|
||||
<slot>accept()</slot>
|
||||
<hints>
|
||||
<hint type="sourcelabel">
|
||||
<x>370</x>
|
||||
<y>508</y>
|
||||
</hint>
|
||||
<hint type="destinationlabel">
|
||||
<x>370</x>
|
||||
<y>264</y>
|
||||
</hint>
|
||||
</hints>
|
||||
</connection>
|
||||
<connection>
|
||||
<sender>buttonBox</sender>
|
||||
<signal>rejected()</signal>
|
||||
<receiver>PDFCreateBitonalDocumentDialog</receiver>
|
||||
<slot>reject()</slot>
|
||||
<hints>
|
||||
<hint type="sourcelabel">
|
||||
<x>370</x>
|
||||
<y>508</y>
|
||||
</hint>
|
||||
<hint type="destinationlabel">
|
||||
<x>370</x>
|
||||
<y>264</y>
|
||||
</hint>
|
||||
</hints>
|
||||
</connection>
|
||||
</connections>
|
||||
</ui>
|
||||
|
|
@ -33,6 +33,7 @@
|
|||
#include "pdfrendertoimagesdialog.h"
|
||||
#include "pdfoptimizedocumentdialog.h"
|
||||
#include "pdfsanitizedocumentdialog.h"
|
||||
#include "pdfcreatebitonaldocumentdialog.h"
|
||||
#include "pdfviewersettingsdialog.h"
|
||||
#include "pdfaboutdialog.h"
|
||||
#include "pdfrenderingerrorswidget.h"
|
||||
|
|
@ -458,6 +459,10 @@ void PDFProgramController::initialize(Features features,
|
|||
{
|
||||
connect(action, &QAction::triggered, this, &PDFProgramController::onActionSanitizeTriggered);
|
||||
}
|
||||
if (QAction* action = m_actionManager->getAction(PDFActionManager::CreateBitonalDocument))
|
||||
{
|
||||
connect(action, &QAction::triggered, this, &PDFProgramController::onActionCreateBitonalDocumentTriggered);
|
||||
}
|
||||
if (QAction* action = m_actionManager->getAction(PDFActionManager::Encryption))
|
||||
{
|
||||
connect(action, &QAction::triggered, this, &PDFProgramController::onActionEncryptionTriggered);
|
||||
|
|
@ -1249,6 +1254,19 @@ void PDFProgramController::onActionSanitizeTriggered()
|
|||
}
|
||||
}
|
||||
|
||||
void PDFProgramController::onActionCreateBitonalDocumentTriggered()
|
||||
{
|
||||
auto cms = m_CMSManager->getCurrentCMS();
|
||||
PDFCreateBitonalDocumentDialog dialog(m_pdfDocument.data(), cms.data(), m_progress, m_mainWindow);
|
||||
|
||||
if (dialog.exec() == QDialog::Accepted)
|
||||
{
|
||||
pdf::PDFDocumentPointer pointer(new pdf::PDFDocument(dialog.takeBitonaldDocument()));
|
||||
pdf::PDFModifiedDocument document(qMove(pointer), m_optionalContentActivity, pdf::PDFModifiedDocument::ModificationFlags(pdf::PDFModifiedDocument::Reset | pdf::PDFModifiedDocument::PreserveUndoRedo));
|
||||
onDocumentModified(qMove(document));
|
||||
}
|
||||
}
|
||||
|
||||
void PDFProgramController::onActionEncryptionTriggered()
|
||||
{
|
||||
auto queryPassword = [this](bool* ok)
|
||||
|
|
@ -1569,6 +1587,7 @@ void PDFProgramController::updateActionsAvailability()
|
|||
m_actionManager->setEnabled(PDFActionManager::RenderToImages, hasValidDocument && canPrint);
|
||||
m_actionManager->setEnabled(PDFActionManager::Optimize, hasValidDocument);
|
||||
m_actionManager->setEnabled(PDFActionManager::Sanitize, hasValidDocument);
|
||||
m_actionManager->setEnabled(PDFActionManager::CreateBitonalDocument, hasValidDocument);
|
||||
m_actionManager->setEnabled(PDFActionManager::Encryption, hasValidDocument);
|
||||
m_actionManager->setEnabled(PDFActionManager::Save, hasValidDocument);
|
||||
m_actionManager->setEnabled(PDFActionManager::SaveAs, hasValidDocument);
|
||||
|
|
|
|||
|
|
@ -109,6 +109,7 @@ public:
|
|||
RenderToImages,
|
||||
Optimize,
|
||||
Sanitize,
|
||||
CreateBitonalDocument,
|
||||
Encryption,
|
||||
FitPage,
|
||||
FitWidth,
|
||||
|
|
@ -337,6 +338,7 @@ private:
|
|||
void onActionRenderToImagesTriggered();
|
||||
void onActionOptimizeTriggered();
|
||||
void onActionSanitizeTriggered();
|
||||
void onActionCreateBitonalDocumentTriggered();
|
||||
void onActionEncryptionTriggered();
|
||||
void onActionFitPageTriggered();
|
||||
void onActionFitWidthTriggered();
|
||||
|
|
|
|||
|
|
@ -164,6 +164,7 @@ PDFViewerMainWindow::PDFViewerMainWindow(QWidget* parent) :
|
|||
m_actionManager->setAction(PDFActionManager::RenderToImages, ui->actionRender_to_Images);
|
||||
m_actionManager->setAction(PDFActionManager::Optimize, ui->actionOptimize);
|
||||
m_actionManager->setAction(PDFActionManager::Sanitize, ui->actionSanitize);
|
||||
m_actionManager->setAction(PDFActionManager::CreateBitonalDocument, ui->actionCreateBitonalDocument);
|
||||
m_actionManager->setAction(PDFActionManager::Encryption, ui->actionEncryption);
|
||||
m_actionManager->setAction(PDFActionManager::FitPage, ui->actionFitPage);
|
||||
m_actionManager->setAction(PDFActionManager::FitWidth, ui->actionFitWidth);
|
||||
|
|
|
|||
|
|
@ -144,8 +144,9 @@
|
|||
<addaction name="separator"/>
|
||||
<addaction name="actionEncryption"/>
|
||||
<addaction name="actionOptimize"/>
|
||||
<addaction name="actionSanitize"/>
|
||||
<addaction name="separator"/>
|
||||
<addaction name="actionSanitize"/>
|
||||
<addaction name="actionCreateBitonalDocument"/>
|
||||
</widget>
|
||||
<widget class="QMenu" name="menuInsert">
|
||||
<property name="title">
|
||||
|
|
@ -952,6 +953,10 @@
|
|||
</property>
|
||||
</action>
|
||||
<action name="actionSanitize">
|
||||
<property name="icon">
|
||||
<iconset resource="pdf4qtviewer.qrc">
|
||||
<normaloff>:/resources/sanitize-document.svg</normaloff>:/resources/sanitize-document.svg</iconset>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>Sanitize...</string>
|
||||
</property>
|
||||
|
|
@ -979,6 +984,21 @@
|
|||
<string>Become a Sponsor</string>
|
||||
</property>
|
||||
</action>
|
||||
<action name="actionCreateBitonalDocument">
|
||||
<property name="icon">
|
||||
<iconset resource="pdf4qtviewer.qrc">
|
||||
<normaloff>:/resources/create-bitonal-document.svg</normaloff>:/resources/create-bitonal-document.svg</iconset>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>Create Bitonal Document...</string>
|
||||
</property>
|
||||
<property name="toolTip">
|
||||
<string>Create Bitonal Document</string>
|
||||
</property>
|
||||
<property name="statusTip">
|
||||
<string>Convert the colored images to monochromatic to create a bitonal document.</string>
|
||||
</property>
|
||||
</action>
|
||||
</widget>
|
||||
<layoutdefault spacing="6" margin="11"/>
|
||||
<resources>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,58 @@
|
|||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
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|
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<svg
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:cc="http://creativecommons.org/ns#"
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
|
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xmlns:svg="http://www.w3.org/2000/svg"
|
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xmlns="http://www.w3.org/2000/svg"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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viewBox="0 0 1024 1024"
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sodipodi:docname="create-bitonal-document.svg"
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inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
|
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<metadata
|
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id="metadata4524">
|
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<rdf:RDF>
|
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<cc:Work
|
||||
rdf:about="">
|
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<dc:format>image/svg+xml</dc:format>
|
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<dc:type
|
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rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
|
||||
<dc:title></dc:title>
|
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</cc:Work>
|
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</rdf:RDF>
|
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</metadata>
|
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|
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pagecolor="#ffffff"
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inkscape:pageshadow="2"
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Reference in New Issue