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/*
* Copyright (c) 2008 Susanne Klaus <susanne@exactcode.de>
* Copyright (c) 2008 Rene Rebe <rene@exactcode.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2. A copy of the GNU General
* Public License can be found in the file LICENSE.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
* ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* Alternatively, commercial licensing options are available from the
* copyright holder ExactCODE GmbH Germany.
*/
#include <vector>
#include "Codecs.hh"
struct PDFContext; // fwd
class PDFCodec : public ImageCodec {
public:
PDFCodec ()
: context(0)
{
registerCodec ("pdf", this);
};
~PDFCodec ();
// freestanding
PDFCodec (std::ostream* s);
virtual std::string getID () { return "PDF"; };
virtual int readImage (std::istream* stream, Image& image, const std::string& decompres);
virtual bool writeImage (std::ostream* stream, Image& image,
int quality, const std::string& compress);
// direct PDF stream creation, including vector objects and
// multiple pages
enum filling_rule_t
{
fill_non_zero = (1<<0),
fill_even_odd = (1<<1),
fill_none = 0xff
};
void beginPage(double, double);
void moveTo(double x, double y);
void addLineTo(double x, double y);
void closePath();
void addCurveTo(double x1, double y1, double x2, double y2,
double x3, double y3);
void setFillColor(double r, double g, double b);
void setLineWidth(double width);
void setLineDash(double offset, const std::vector<double>& dashes);
void setLineDash(double offset, const double* dashes, int n);
void showPath(filling_rule_t fill = fill_none);
/* Default font names, as per PDF Reference:
Times-Roman, Times-Bold, Times-Italic, Times-BoldItalic,
Helvetica, Helvetica-Bold, Helvetica-Oblique, Helvetica-BoldOblique,
Courier, Courier-Bold, Courier-Oblique, Courier-BoldOblique,
Symbol, ZapfDingbats */
void beginText();
void textTo(double x, double y);
void showText(const std::string& font, const std::string& text,
double height);
void showImage(Image& image, double x, double y,
double width, double height, int quality = 80,
const std::string& compress = "");
void endText();
private:
PDFContext* context;
};
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