mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
Performance boost for images
This commit is contained in:
Jakub Melka
@ -43,6 +43,11 @@ public:
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virtual QColor getColorFromDeviceCMYK(const PDFColor& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const override;
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virtual QColor getColorFromXYZ(const PDFColor3& whitePoint, const PDFColor3& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const override;
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virtual QColor getColorFromICC(const PDFColor& color, RenderingIntent renderingIntent, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const override;
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virtual bool fillRGBBufferFromDeviceGray(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
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virtual bool fillRGBBufferFromDeviceRGB(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
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virtual bool fillRGBBufferFromDeviceCMYK(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
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virtual bool fillRGBBufferFromXYZ(const PDFColor3& whitePoint, const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
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virtual bool fillRGBBufferFromICC(const std::vector<float>& colors, RenderingIntent renderingIntent, unsigned char* outputBuffer, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const override;
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private:
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void init();
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@ -66,7 +71,15 @@ private:
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/// Gets transform from cache. If transform doesn't exist, then it is created.
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/// \param profile Color profile
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/// \param intent Rendering intent
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cmsHTRANSFORM getTransform(Profile profile, RenderingIntent intent) const;
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/// \param isRGB888Buffer If true, 8-bit RGB output buffer is used, otherwise FLOAT RGB output buffer is used
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cmsHTRANSFORM getTransform(Profile profile, RenderingIntent intent, bool isRGB888Buffer) const;
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/// Gets transform for ICC profile from cache. If transform doesn't exist, then it is created.
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/// \param iccData Data of icc profile
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/// \param iccID Icc profile id
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/// \param renderingIntent Rendering intent
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/// \param isRGB888Buffer If true, 8-bit RGB output buffer is used, otherwise FLOAT RGB output buffer is used
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cmsHTRANSFORM getTransformFromICCProfile(const QByteArray& iccData, const QByteArray& iccID, RenderingIntent renderingIntent, bool isRGB888Buffer) const;
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/// Returns transformation flags accordint to the current settings
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cmsUInt32Number getTransformationFlags() const;
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@ -78,7 +91,8 @@ private:
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/// Gets transform from cache key.
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/// \param profile Color profile
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/// \param intent Rendering intent
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static constexpr int getCacheKey(Profile profile, RenderingIntent intent) { return int(intent) * ProfileCount + profile; }
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/// \param isRGB888Buffer If true, 8-bit RGB output buffer is used, otherwise FLOAT RGB output buffer is used
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static constexpr int getCacheKey(Profile profile, RenderingIntent intent, bool isRGB888Buffer) { return ((int(intent) * ProfileCount + profile) << 1) + (isRGB888Buffer ? 1 : 0); }
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/// Returns little CMS rendering intent
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/// \param intent Rendering intent
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@ -104,6 +118,163 @@ private:
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mutable std::map<std::pair<QByteArray, RenderingIntent>, cmsHTRANSFORM> m_customIccProfileCache;
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};
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bool PDFLittleCMS::fillRGBBufferFromDeviceGray(const std::vector<float>& colors,
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RenderingIntent intent,
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unsigned char* outputBuffer,
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PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(Gray, getEffectiveRenderingIntent(intent), true);
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if (!transform)
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from gray to output device using CMS failed."));
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return false;
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}
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if (cmsGetTransformInputFormat(transform) == TYPE_GRAY_FLT)
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{
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Q_ASSERT(cmsGetTransformOutputFormat(transform) == TYPE_RGB_8);
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cmsDoTransform(transform, colors.data(), outputBuffer, static_cast<cmsUInt32Number>(colors.size()));
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return true;
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}
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else
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from gray to output device using CMS failed - invalid data format."));
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}
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return false;
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}
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bool PDFLittleCMS::fillRGBBufferFromDeviceRGB(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(RGB, getEffectiveRenderingIntent(intent), true);
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if (!transform)
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from RGB to output device using CMS failed."));
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return false;
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}
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const cmsUInt32Number inputFormat = cmsGetTransformInputFormat(transform);
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if (inputFormat == TYPE_RGB_FLT && (colors.size()) % T_CHANNELS(inputFormat) == 0)
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{
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Q_ASSERT(cmsGetTransformOutputFormat(transform) == TYPE_RGB_8);
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cmsDoTransform(transform, colors.data(), outputBuffer, static_cast<cmsUInt32Number>(colors.size()) / T_CHANNELS(inputFormat));
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return true;
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}
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else
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from RGB to output device using CMS failed - invalid data format."));
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}
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return false;
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}
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bool PDFLittleCMS::fillRGBBufferFromDeviceCMYK(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(CMYK, getEffectiveRenderingIntent(intent), true);
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if (!transform)
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from CMYK to output device using CMS failed."));
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return false;
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}
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const cmsUInt32Number inputFormat = cmsGetTransformInputFormat(transform);
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if (inputFormat == TYPE_CMYK_FLT && (colors.size()) % T_CHANNELS(inputFormat) == 0)
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{
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Q_ASSERT(cmsGetTransformOutputFormat(transform) == TYPE_RGB_8);
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std::vector<float> fixedColors = colors;
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for (size_t i = 0, count = fixedColors.size(); i < count; ++i)
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{
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fixedColors[i] = fixedColors[i] * 100.0f;
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}
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cmsDoTransform(transform, fixedColors.data(), outputBuffer, static_cast<cmsUInt32Number>(colors.size()) / T_CHANNELS(inputFormat));
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return true;
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}
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else
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from CMYK to output device using CMS failed - invalid data format."));
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}
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return false;
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}
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bool PDFLittleCMS::fillRGBBufferFromXYZ(const PDFColor3& whitePoint, const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(XYZ, getEffectiveRenderingIntent(intent), true);
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if (!transform)
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from XYZ to output device using CMS failed."));
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return false;
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}
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const cmsUInt32Number inputFormat = cmsGetTransformInputFormat(transform);
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if (inputFormat == TYPE_XYZ_FLT && (colors.size()) % T_CHANNELS(inputFormat) == 0)
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{
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Q_ASSERT(cmsGetTransformOutputFormat(transform) == TYPE_RGB_8);
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const cmsCIEXYZ* d50WhitePoint = cmsD50_XYZ();
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std::array<float, 3> correctionCoefficients = { float(d50WhitePoint->X) / whitePoint[0], float(d50WhitePoint->Y) / whitePoint[1], float(d50WhitePoint->Z) / whitePoint[2] };
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std::vector<float> fixedColors = colors;
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for (size_t i = 0, count = fixedColors.size(); i < count; ++i)
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{
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fixedColors[i] = fixedColors[i] * correctionCoefficients[i % correctionCoefficients.size()];
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}
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cmsDoTransform(transform, fixedColors.data(), outputBuffer, static_cast<cmsUInt32Number>(colors.size()) / T_CHANNELS(inputFormat));
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return true;
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}
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else
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from XYZ to output device using CMS failed - invalid data format."));
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}
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return false;
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}
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bool PDFLittleCMS::fillRGBBufferFromICC(const std::vector<float>& colors, RenderingIntent renderingIntent, unsigned char* outputBuffer, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransformFromICCProfile(iccData, iccID, renderingIntent, true);
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if (!transform)
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from icc profile space to output device using CMS failed."));
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return false;
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}
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const cmsUInt32Number format = cmsGetTransformInputFormat(transform);
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const cmsUInt32Number channels = T_CHANNELS(format);
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const cmsUInt32Number colorSpace = T_COLORSPACE(format);
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const bool isCMYK = colorSpace == PT_CMYK;
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const float* inputColors = colors.data();
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std::vector<float> cmykColors;
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if (isCMYK)
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{
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cmykColors = colors;
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for (size_t i = 0; i < cmykColors.size(); ++i)
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{
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cmykColors[i] = cmykColors[i] * 100.0;
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}
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inputColors = cmykColors.data();
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}
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if ((colors.size()) % T_CHANNELS(format) == 0)
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{
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const cmsUInt32Number pixels = static_cast<cmsUInt32Number>(colors.size()) / channels;
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cmsDoTransform(transform, inputColors, outputBuffer, pixels);
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return true;
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}
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else
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{
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reporter->reportRenderErrorOnce(RenderErrorType::Error, PDFTranslationContext::tr("Conversion from icc profile space to output device using CMS failed - invalid data format."));
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}
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return false;
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}
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PDFLittleCMS::PDFLittleCMS(const PDFCMSManager* manager, const PDFCMSSettings& settings) :
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m_manager(manager),
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m_settings(settings),
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@ -154,7 +325,7 @@ QColor PDFLittleCMS::getPaperColor() const
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QColor PDFLittleCMS::getColorFromDeviceGray(const PDFColor& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(Gray, getEffectiveRenderingIntent(intent));
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cmsHTRANSFORM transform = getTransform(Gray, getEffectiveRenderingIntent(intent), false);
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if (!transform)
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{
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@ -181,7 +352,7 @@ QColor PDFLittleCMS::getColorFromDeviceGray(const PDFColor& color, RenderingInte
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QColor PDFLittleCMS::getColorFromDeviceRGB(const PDFColor& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(RGB, getEffectiveRenderingIntent(intent));
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cmsHTRANSFORM transform = getTransform(RGB, getEffectiveRenderingIntent(intent), false);
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if (!transform)
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{
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@ -208,7 +379,7 @@ QColor PDFLittleCMS::getColorFromDeviceRGB(const PDFColor& color, RenderingInten
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QColor PDFLittleCMS::getColorFromDeviceCMYK(const PDFColor& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(CMYK, getEffectiveRenderingIntent(intent));
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cmsHTRANSFORM transform = getTransform(CMYK, getEffectiveRenderingIntent(intent), false);
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if (!transform)
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{
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@ -235,7 +406,7 @@ QColor PDFLittleCMS::getColorFromDeviceCMYK(const PDFColor& color, RenderingInte
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QColor PDFLittleCMS::getColorFromXYZ(const PDFColor3& whitePoint, const PDFColor3& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransform(XYZ, getEffectiveRenderingIntent(intent));
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cmsHTRANSFORM transform = getTransform(XYZ, getEffectiveRenderingIntent(intent), false);
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if (!transform)
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{
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@ -261,46 +432,50 @@ QColor PDFLittleCMS::getColorFromXYZ(const PDFColor3& whitePoint, const PDFColor
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return QColor();
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}
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QColor PDFLittleCMS::getColorFromICC(const PDFColor& color, RenderingIntent renderingIntent, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const
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cmsHTRANSFORM PDFLittleCMS::getTransformFromICCProfile(const QByteArray& iccData, const QByteArray& iccID, RenderingIntent renderingIntent, bool isRGB888Buffer) const
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{
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cmsHTRANSFORM transform = cmsHTRANSFORM();
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RenderingIntent effectiveRenderingIntent = getEffectiveRenderingIntent(renderingIntent);
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const auto key = std::make_pair(iccID + (isRGB888Buffer ? "RGB_888" : "FLT"), effectiveRenderingIntent);
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QReadLocker lock(&m_customIccProfileCacheLock);
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auto it = m_customIccProfileCache.find(key);
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if (it == m_customIccProfileCache.cend())
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{
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RenderingIntent effectiveRenderingIntent = getEffectiveRenderingIntent(renderingIntent);
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const auto key = std::make_pair(iccID, effectiveRenderingIntent);
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QReadLocker lock(&m_customIccProfileCacheLock);
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auto it = m_customIccProfileCache.find(key);
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lock.unlock();
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QWriteLocker writeLock(&m_customIccProfileCacheLock);
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// Now, we have locked cache for writing. We must find out,
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// if some other thread doesn't created the transformation already.
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it = m_customIccProfileCache.find(key);
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if (it == m_customIccProfileCache.cend())
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{
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lock.unlock();
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QWriteLocker writeLock(&m_customIccProfileCacheLock);
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// Now, we have locked cache for writing. We must find out,
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// if some other thread doesn't created the transformation already.
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it = m_customIccProfileCache.find(key);
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if (it == m_customIccProfileCache.cend())
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cmsHTRANSFORM transform = cmsHTRANSFORM();
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cmsHPROFILE profile = cmsOpenProfileFromMem(iccData.data(), iccData.size());
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if (profile)
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{
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cmsHPROFILE profile = cmsOpenProfileFromMem(iccData.data(), iccData.size());
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if (profile)
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if (const cmsUInt32Number inputDataFormat = getProfileDataFormat(profile))
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{
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if (const cmsUInt32Number inputDataFormat = getProfileDataFormat(profile))
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{
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cmsUInt32Number lcmsIntent = getLittleCMSRenderingIntent(effectiveRenderingIntent);
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transform = cmsCreateTransform(profile, inputDataFormat, m_profiles[Output], TYPE_RGB_FLT, lcmsIntent, getTransformationFlags());
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}
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cmsCloseProfile(profile);
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cmsUInt32Number lcmsIntent = getLittleCMSRenderingIntent(effectiveRenderingIntent);
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transform = cmsCreateTransform(profile, inputDataFormat, m_profiles[Output], isRGB888Buffer ? TYPE_RGB_8 : TYPE_RGB_FLT, lcmsIntent, getTransformationFlags());
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}
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it = m_customIccProfileCache.insert(std::make_pair(key, transform)).first;
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cmsCloseProfile(profile);
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}
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transform = it->second;
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}
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else
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{
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transform = it->second;
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it = m_customIccProfileCache.insert(std::make_pair(key, transform)).first;
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}
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return it->second;
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}
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else
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{
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return it->second;
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}
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return cmsHTRANSFORM();
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}
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QColor PDFLittleCMS::getColorFromICC(const PDFColor& color, RenderingIntent renderingIntent, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const
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{
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cmsHTRANSFORM transform = getTransformFromICCProfile(iccData, iccID, renderingIntent, false);
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if (!transform)
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{
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@ -424,9 +599,9 @@ cmsHPROFILE PDFLittleCMS::createProfile(const QString& id, const PDFColorProfile
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return cmsHPROFILE();
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}
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cmsHTRANSFORM PDFLittleCMS::getTransform(Profile profile, RenderingIntent intent) const
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cmsHTRANSFORM PDFLittleCMS::getTransform(Profile profile, RenderingIntent intent, bool isRGB888Buffer) const
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{
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const int key = getCacheKey(profile, intent);
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const int key = getCacheKey(profile, intent, isRGB888Buffer);
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QReadLocker lock(&m_transformationCacheLock);
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auto it = m_transformationCache.find(key);
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@ -446,7 +621,7 @@ cmsHTRANSFORM PDFLittleCMS::getTransform(Profile profile, RenderingIntent intent
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if (input && output)
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{
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transform = cmsCreateTransform(input, getProfileDataFormat(input), output, TYPE_RGB_FLT, getLittleCMSRenderingIntent(intent), getTransformationFlags());
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transform = cmsCreateTransform(input, getProfileDataFormat(input), output, isRGB888Buffer ? TYPE_RGB_8 : TYPE_RGB_FLT, getLittleCMSRenderingIntent(intent), getTransformationFlags());
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}
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it = m_transformationCache.insert(std::make_pair(key, transform)).first;
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@ -652,6 +827,54 @@ QColor PDFCMSGeneric::getColorFromICC(const PDFColor& color,
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return QColor();
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}
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bool PDFCMSGeneric::fillRGBBufferFromDeviceGray(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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Q_UNUSED(colors);
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Q_UNUSED(intent);
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Q_UNUSED(outputBuffer);
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Q_UNUSED(reporter);
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return false;
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}
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bool PDFCMSGeneric::fillRGBBufferFromDeviceRGB(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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Q_UNUSED(colors);
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Q_UNUSED(intent);
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Q_UNUSED(outputBuffer);
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Q_UNUSED(reporter);
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return false;
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}
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bool PDFCMSGeneric::fillRGBBufferFromDeviceCMYK(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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Q_UNUSED(colors);
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Q_UNUSED(intent);
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Q_UNUSED(outputBuffer);
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Q_UNUSED(reporter);
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return false;
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}
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bool PDFCMSGeneric::fillRGBBufferFromXYZ(const PDFColor3& whitePoint, const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const
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{
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Q_UNUSED(whitePoint);
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Q_UNUSED(colors);
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Q_UNUSED(intent);
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Q_UNUSED(outputBuffer);
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Q_UNUSED(reporter);
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return false;
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}
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bool PDFCMSGeneric::fillRGBBufferFromICC(const std::vector<float>& colors, RenderingIntent renderingIntent, unsigned char* outputBuffer, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const
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{
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Q_UNUSED(colors);
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Q_UNUSED(renderingIntent);
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Q_UNUSED(outputBuffer);
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Q_UNUSED(iccID);
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Q_UNUSED(iccData);
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Q_UNUSED(reporter);
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return false;
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}
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PDFCMSManager::PDFCMSManager(QObject* parent) :
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BaseClass(parent),
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m_mutex(QMutex::Recursive)
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@ -961,4 +1184,3 @@ PDFColorProfileIdentifier PDFColorProfileIdentifier::createFile(Type type, QStri
|
||||
}
|
||||
|
||||
} // namespace pdf
|
||||
|
||||
|
||||
Reference in New Issue
Block a user