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/*****
* drawlabel.h
* John Bowman 2003/03/14
*
* Add a label to a picture.
*****/
#ifndef DRAWLABEL_H
#define DRAWLABEL_H
#include "drawelement.h"
#include "path.h"
#include "angle.h"
#include "transform.h"
namespace camp {
class drawLabel : public virtual drawElement {
protected:
string label,size;
transform T; // A linear (shiftless) transformation.
pair position;
pair align;
pair scale;
pen pentype;
double width,height,depth;
bool havebounds;
bool suppress;
pair Align;
pair texAlign;
bbox Box;
bool enabled;
public:
drawLabel(string label, string size, transform T, pair position,
pair align, pen pentype)
: label(label), size(size), T(shiftless(T)), position(position),
align(align), pentype(pentype), width(0.0), height(0.0), depth(0.0),
havebounds(false), suppress(false), enabled(false) {}
virtual ~drawLabel() {}
void getbounds(iopipestream& tex, const string& texengine);
void checkbounds();
void bounds(bbox& b, iopipestream&, boxvector&, bboxlist&);
bool islabel() {
return true;
}
bool write(texfile *out, const bbox&);
drawElement *transformed(const transform& t);
void labelwarning(const char *action);
};
class drawLabelPath : public drawLabel, public drawPathPenBase {
private:
string justify;
pair shift;
public:
drawLabelPath(string label, string size, path src,
string justify, pair shift, pen pentype) :
drawLabel(label,size,identity,pair(0.0,0.0),pair(0.0,0.0),pentype),
drawPathPenBase(src,pentype), justify(justify), shift(shift) {}
virtual ~drawLabelPath() {}
bool svg() {return true;}
bool svgpng() {return true;}
void bounds(bbox& b, iopipestream& tex, boxvector&, bboxlist&);
bool write(texfile *out, const bbox&);
drawElement *transformed(const transform& t);
};
void setpen(iopipestream& tex, const string& texengine, const pen& pentype);
void texbounds(double& width, double& height, double& depth,
iopipestream& tex, string& s);
}
#endif
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