#ifndef __EXTENSION_INTERNAL_PDFINPUT_SVGBUILDER_H__

#define __EXTENSION_INTERNAL_PDFINPUT_SVGBUILDER_H__

/** \file

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#ifdef HAVE_POPPLER

class SPDocument;

namespace Inkscape {

namespace XML {

class Document;

class Node;

}

}

#include "libnr/nr-point.h"

#include "libnr/nr-matrix.h"

#include "CharTypes.h"

class GooString;

class Function;

class SampledFunction;

struct GfxState;

class GfxPattern;

class GfxShadingPattern;

class GfxTilingPattern;

class GfxFont;

class GfxImageColorMap;

class Stream;

class XRef;

class SPCSSAttr;

#include <vector>

#include <glib/gtypes.h>

namespace Inkscape {

namespace Extension {

namespace Internal {

struct SvgGlyph {

NR::Point position; // Absolute glyph coords

NR::Point transformed_position; // Glyph coords transformed by text matrix

double dx, dy; // Advance values

char code[8]; // UTF-8 coded character

int code_size;

bool is_space;

bool style_changed; // Set to true if style has to be reset

SPCSSAttr *style;

int render_mode; // Text render mode

};

class SvgBuilder {

public:

SvgBuilder(SPDocument *document, XRef *xref);

SvgBuilder(SvgBuilder *parent, Inkscape::XML::Node *root);

~SvgBuilder();

// Property setting

void setDocumentSize(double width, double height); // Document size in px

// Handling the node stack

Inkscape::XML::Node *pushGroup();

Inkscape::XML::Node *popGroup();

Inkscape::XML::Node *getContainer(); // Returns current group node

// Path adding

void addPath(GfxState *state, bool fill, bool stroke, bool even_odd=false);

// Image handling

void addImage(GfxState *state, Stream *str, int width, int height,

GfxImageColorMap *color_map, int *mask_colors);

// Text handling

void beginString(GfxState *state, GooString *s);

void endString(GfxState *state);

void addChar(GfxState *state, double x, double y,

double dx, double dy,

double originX, double originY,

CharCode code, int nBytes, Unicode *u, int uLen);

void beginTextObject(GfxState *state);

void endTextObject(GfxState *state);

bool isPatternTypeSupported(GfxPattern *pattern);

// State manipulation

void saveState();

void restoreState();

void updateStyle(GfxState *state);

void updateFont(GfxState *state);

void updateTextMatrix(GfxState *state);

// Clipping

void clip(GfxState *state, bool even_odd=false);

void setClipPath(GfxState *state, bool even_odd=false);

// Transforming

void setTransform(double c0, double c1, double c2, double c3, double c4,

double c5);

void setTransform(double *transform);

bool getTransform(double *transform);

private:

SvgBuilder();

// Pattern creation

gchar *_createPattern(GfxPattern *pattern, GfxState *state, bool is_stroke=false);

gchar *_createGradient(GfxShadingPattern *shading_pattern);

bool _addStopsToGradient(Inkscape::XML::Node *gradient, Function *func, double opacity);

bool _addSamplesToGradient(Inkscape::XML::Node *gradient, SampledFunction *func,

double offset0, double offset1, double opacity);

gchar *_createTilingPattern(GfxTilingPattern *tiling_pattern, GfxState *state,

bool is_stroke=false);

// Image/mask creation

Inkscape::XML::Node *_createImage(Stream *str, int width, int height,

GfxImageColorMap *color_map, int *mask_colors,

bool alpha_only=false, bool invert_alpha=false);

// Style setting

SPCSSAttr *_setStyle(GfxState *state, bool fill, bool stroke, bool even_odd=false);

void _setStrokeStyle(SPCSSAttr *css, GfxState *state);

void _setFillStyle(SPCSSAttr *css, GfxState *state, bool even_odd);

void _flushText(); // Write buffered text into doc

std::vector<int> _group_depth; // Depth of nesting groups

SPCSSAttr *_font_style; // Current font style

GfxFont *_current_font;

char *_font_specification;

bool _need_font_update;

NR::Matrix _text_matrix;

std::vector<SvgGlyph> _glyphs; // Added characters

bool _in_text_object; // Whether we are inside a text object

bool _invalidated_style;

GfxState *_current_state;

SPDocument *_doc;

XRef *_xref; // Cross-reference table from the PDF doc we're converting from

Inkscape::XML::Document *_xml_doc;

Inkscape::XML::Node *_root; // Root node from the point of view of this SvgBuilder

Inkscape::XML::Node *_container; // Current container (group/pattern/mask)

double _width, _height; // Document size in px

};

} } } /* namespace Inkscape, Extension, Internal */

#endif /* HAVE_POPPLER */

#endif /* __EXTENSION_INTERNAL_PDFINPUT_SVGBUILDER_H__ */