| 1 | //======================================================================== |
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| 2 | // |
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| 3 | // PNGWriter.h |
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| 4 | // |
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| 5 | // This file is licensed under the GPLv2 or later |
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| 6 | // |
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| 7 | // Copyright (C) 2009 Warren Toomey <wkt@tuhs.org> |
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| 8 | // Copyright (C) 2009 Shen Liang <shenzhuxi@gmail.com> |
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| 9 | // Copyright (C) 2009, 2011-2013, 2021, 2022 Albert Astals Cid <aacid@kde.org> |
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| 10 | // Copyright (C) 2009 Stefan Thomas <thomas@eload24.com> |
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| 11 | // Copyright (C) 2010, 2011, 2013, 2017 Adrian Johnson <ajohnson@redneon.com> |
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| 12 | // Copyright (C) 2012 Pino Toscano <pino@kde.org> |
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| 13 | // |
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| 14 | //======================================================================== |
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| 15 | |
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| 16 | #ifndef PNGWRITER_H |
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| 17 | #define PNGWRITER_H |
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| 18 | |
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| 19 | #include "poppler-config.h" |
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| 20 | #include "poppler_private_export.h" |
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| 21 | |
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| 22 | #ifdef ENABLE_LIBPNG |
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| 23 | |
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| 24 | # include "ImgWriter.h" |
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| 25 | |
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| 26 | struct PNGWriterPrivate; |
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| 27 | |
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| 28 | class POPPLER_PRIVATE_EXPORT PNGWriter : public ImgWriter |
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| 29 | { |
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| 30 | public: |
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| 31 | /* RGB - 3 bytes/pixel |
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| 32 | * RGBA - 4 bytes/pixel |
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| 33 | * GRAY - 1 byte/pixel |
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| 34 | * MONOCHROME - 8 pixels/byte |
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| 35 | * RGB48 - 6 bytes/pixel |
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| 36 | */ |
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| 37 | enum Format |
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| 38 | { |
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| 39 | RGB, |
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| 40 | RGBA, |
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| 41 | GRAY, |
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| 42 | MONOCHROME, |
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| 43 | RGB48 |
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| 44 | }; |
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| 45 | |
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| 46 | explicit PNGWriter(Format format = RGB); |
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| 47 | ~PNGWriter() override; |
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| 48 | |
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| 49 | PNGWriter(const PNGWriter &other) = delete; |
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| 50 | PNGWriter &operator=(const PNGWriter &other) = delete; |
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| 51 | |
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| 52 | void setICCProfile(const char *name, unsigned char *data, int size); |
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| 53 | void setSRGBProfile(); |
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| 54 | |
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| 55 | bool init(FILE *f, int width, int height, double hDPI, double vDPI) override; |
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| 56 | |
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| 57 | bool writePointers(unsigned char **rowPointers, int rowCount) override; |
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| 58 | bool writeRow(unsigned char **row) override; |
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| 59 | |
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| 60 | bool close() override; |
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| 61 | |
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| 62 | private: |
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| 63 | PNGWriterPrivate *priv; |
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| 64 | }; |
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| 65 | |
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| 66 | #endif |
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| 67 | |
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| 68 | #endif |
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| 69 | |
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