PdfEngine.h

/*
 * PdfEngine.h
 * Copyright (C) 2014 tox <tox@rootkit>
 *
 * Distributed under terms of the MIT license.
 */

#ifndef PDFENGINE_H
#define PDFENGINE_H

#include <v8.h>
#include <node.h>
#include <vector>
#include "PdfPage.h"
#include "PdfDocument.h"

#define ERROR_RENDER_NOT_SUPPORTED ((char *)"Rendering pages is not supported")
#define ERROR_SAVE_NOT_SUPPORTED ((char *)"Saving a Document is not supported")

enum PdfRenderFormat {
    RENDER_SVG,
    RENDER_PNG,
    RENDER_GIF,
    RENDER_PDF,
    RENDER_TEXT
};

class PdfPage;
class PdfDocument;
class PdfExportPageWorker;
class PdfSaveWorker;
class PdfEngine {
private:
    const char *_password;

protected:
    PdfEngine();

public:
    virtual ~PdfEngine();
    inline void setPassword(const char *password) {
        _password = password;
    }

    inline const char* password() {
        return _password;
    }

    virtual bool isThreadSafe();

    virtual char* openFromData(char *data, size_t length) = 0;
    virtual char* openFromPath(char *src) = 0;
    virtual char* renderPage(int index, PdfRenderFormat format, PdfExportPageWorker *writer) = 0;
    virtual char* savePdf(PdfPage *pages, PdfSaveWorker *writer) = 0;

    virtual void fillDocument(PdfDocument *document) = 0;
    virtual void fillPage(int index, PdfPage *page) = 0;

    virtual void close() = 0;

};

#endif /* !PDFENGINE_H */