fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Performance boost for images

Browse Source
This commit is contained in:
Jakub Melka
2019-12-30 16:08:48 +01:00
parent afbf37d068
commit c803317b6b
4 changed files with 504 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
PdfForQtLib/sources/pdfcms.h
View File

@ -128,7 +128,47 @@ public:
/// \param color Input color
/// \param iccID Unique ICC profile identifier
/// \param iccData Color profile data
/// \param reporter Render error reporter (used, when color transform fails)
virtual QColor getColorFromICC(const PDFColor& color, RenderingIntent renderingIntent, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const = 0;
/// Fills colors in Device Gray color space to the RGB buffer. If error occurs, then false is returned.
/// Caller then should handle this - try to convert color as accurate as possible.
/// \param color Gray values
/// \param intent Rendering intent
/// \param outputBuffer Output buffer in format RGB_888 (8-bit RGB values)
/// \param reporter Render error reporter (used, when color transform fails)
virtual bool fillRGBBufferFromDeviceGray(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const = 0;
/// Fills colors in Device RGB color space to RGB buffer. If error occurs, then false is returned.
/// Caller then should handle this - try to convert color as accurate as possible.
/// \param colors Buffer with three color channels, so it has pixels * tuple(R, G, B) size
/// \param intent Rendering intent
/// \param outputBuffer Output buffer in format RGB_888 (8-bit RGB values)
/// \param reporter Render error reporter (used, when color transform fails)
virtual bool fillRGBBufferFromDeviceRGB(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const = 0;
/// Fills colors in Device CMYK color space to the RGB buffer. If error occurs, then false is returned.
/// Caller then should handle this - try to convert color as accurate as possible.
/// \param colors FBuffer with four color channels (C,M,Y,K channel), so it has pixels * tuple(C, M, Y, K) size
/// \param intent Rendering intent
/// \param outputBuffer Output buffer in format RGB_888 (8-bit RGB values)
/// \param reporter Render error reporter (used, when color transform fails)
virtual bool fillRGBBufferFromDeviceCMYK(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const = 0;
/// Fills colors in XYZ color space to the RGB buffer. If error occurs, then false is returned.
/// Caller then should handle this - try to convert color as accurate as possible.
/// \param whitePoint White point of source XYZ color space
/// \param Three color channel value (X,Y,Z channel)
/// \param intent Rendering intent
/// \param reporter Render error reporter (used, when color transform fails)
virtual bool fillRGBBufferFromXYZ(const PDFColor3& whitePoint, const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const = 0;
/// Fills RGB buffer from ICC color profile colors
/// \param colors Input colors
/// \param iccID Unique ICC profile identifier
/// \param iccData Color profile data
/// \param reporter Render error reporter (used, when color transform fails)
virtual bool fillRGBBufferFromICC(const std::vector<float>& colors, RenderingIntent renderingIntent, unsigned char* outputBuffer, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const = 0;
};
using PDFCMSPointer = QSharedPointer<PDFCMS>;
@ -145,6 +185,11 @@ public:
virtual QColor getColorFromDeviceCMYK(const PDFColor& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const override;
virtual QColor getColorFromXYZ(const PDFColor3& whitePoint, const PDFColor3& color, RenderingIntent intent, PDFRenderErrorReporter* reporter) const override;
virtual QColor getColorFromICC(const PDFColor& color, RenderingIntent renderingIntent, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const override;
virtual bool fillRGBBufferFromDeviceGray(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
virtual bool fillRGBBufferFromDeviceRGB(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
virtual bool fillRGBBufferFromDeviceCMYK(const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
virtual bool fillRGBBufferFromXYZ(const PDFColor3& whitePoint, const std::vector<float>& colors, RenderingIntent intent, unsigned char* outputBuffer, PDFRenderErrorReporter* reporter) const override;
virtual bool fillRGBBufferFromICC(const std::vector<float>& colors, RenderingIntent renderingIntent, unsigned char* outputBuffer, const QByteArray& iccID, const QByteArray& iccData, PDFRenderErrorReporter* reporter) const override;
};
struct PDFColorProfileIdentifier