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26 lines
736 B
C
26 lines
736 B
C
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#ifndef EXAMPLE_C_EXTEND_H
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#define EXAMPLE_C_EXTEND_H
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/*
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* This is an example of how to write C++ functions and make them usable with the qpdf C API. It
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* consists of three files:
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* - extend-c-api.h -- a plain C header file
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* - extend-c-api.c -- a C program that calls the function
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* - extend-c-api.cc -- a C++ file that implements the function
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*/
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#include <qpdf/qpdf-c.h>
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/* Declare your custom function to return QPDF_ERROR_CODE and take qpdf_data and anything else you
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* need. Any errors are retrievable through the qpdf C APIs normal error-handling mechanism.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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QPDF_ERROR_CODE num_pages(qpdf_data qc, int* npages);
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#ifdef __cplusplus
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}
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#endif
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#endif /* EXAMPLE_C_EXTEND_H */
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