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#ifndef CFERBIND_H_
#define CFERBIND_H_
/* Make sure Python.h is always included first */
#include <Python.h>
/* Use of grdelBool (int) and grdelType (void *) is just to clarify intent */
#include "grdel.h"
/* Names of recognized engines */
extern const char *CairoCFerBindName;
extern const char *PyQtCairoCFerBindName;
/*
* The bindings structure. All functions should be defined in a bindings
* instance, but a definition may just be a function that does nothing
* if the action is not applicable or appropriate.
*
* The cferbind_createWindow function calls the appropriate createWindow
* function to create the bindings instance and any other appropriate
* initialization for this "Window". Thus, there is no createWindow
* function in these bindings since it should never need to be called.
*/
typedef struct CFerBind_struct {
const char *enginename;
void *instancedata;
grdelBool (*setImageName)(struct CFerBind_struct *self, const char *imagename,
int imgnamelen, const char *formatname, int fmtnamelen);
grdelBool (*deleteWindow)(struct CFerBind_struct *self);
grdelBool (*setAntialias)(struct CFerBind_struct *self, int antialias);
grdelBool (*beginView)(struct CFerBind_struct *self,
double leftfrac, double bottomfrac,
double rightfrac, double topfrac, int clipit);
grdelBool (*clipView)(struct CFerBind_struct *self, int clipit);
grdelBool (*endView)(struct CFerBind_struct *self);
grdelBool (*beginSegment)(struct CFerBind_struct *self, int segid);
grdelBool (*endSegment)(struct CFerBind_struct *self);
grdelBool (*deleteSegment)(struct CFerBind_struct *self, int segid);
grdelBool (*updateWindow)(struct CFerBind_struct *self);
grdelBool (*clearWindow)(struct CFerBind_struct *self, grdelType fillcolor);
grdelBool (*redrawWindow)(struct CFerBind_struct *self, grdelType fillcolor);
grdelBool (*windowScreenInfo)(struct CFerBind_struct *self, float *dpix, float *dpiy,
int *screenwidth, int *screenheight);
grdelBool (*setWindowDpi)(struct CFerBind_struct *self, double newdpi);
grdelBool (*resizeWindow)(struct CFerBind_struct *self,
double width, double height);
grdelBool (*scaleWindow)(struct CFerBind_struct *self, double scale);
grdelBool (*showWindow)(struct CFerBind_struct *self, int visible);
grdelBool (*saveWindow)(struct CFerBind_struct *self, const char *filename,
int namelen, const char *formatname, int fmtnamelen,
int transbkg, double xinches, double yinches,
int xpixels, int ypixels,
void **annotations, int numannotations);
grdelType (*createColor)(struct CFerBind_struct *self, double redfrac,
double greenfrac, double bluefrac, double opaquefrac);
grdelBool (*deleteColor)(struct CFerBind_struct *self, grdelType color);
grdelType (*createFont)(struct CFerBind_struct *self,
const char *familyname, int namelen, double fontsize,
int italic, int bold, int underlined);
grdelBool (*deleteFont)(struct CFerBind_struct *self, grdelType font);
grdelType (*createPen)(struct CFerBind_struct *self, grdelType color,
double width, const char *style, int stlen,
const char *capstyle, int capstlen,
const char *joinstyle, int joinstlen);
grdelBool (*replacePenColor)(struct CFerBind_struct *self,
grdelType pen, grdelType color);
grdelBool (*deletePen)(struct CFerBind_struct *self, grdelType pen);
grdelType (*createBrush)(struct CFerBind_struct *self,
grdelType color, const char *style, int stlen);
grdelBool (*replaceBrushColor)(struct CFerBind_struct *self,
grdelType brush, grdelType color);
grdelBool (*deleteBrush)(struct CFerBind_struct *self, grdelType brush);
grdelType (*createSymbol)(struct CFerBind_struct *self, const char *symbolname, int namelen,
const float ptsx[], const float ptsy[], int numpts, grdelBool fill);
grdelBool (*deleteSymbol)(struct CFerBind_struct *self, grdelType symbol);
grdelBool (*setWidthFactor)(struct CFerBind_struct *self, double widthfactor);
grdelBool (*drawMultiline)(struct CFerBind_struct *self, double ptsx[],
double ptsy[], int numpts, grdelType pen);
grdelBool (*drawPoints)(struct CFerBind_struct *self, double ptsx[],
double ptsy[], int numpts, grdelType symbol,
grdelType color, double symsize, grdelType highlight);
grdelBool (*drawPolygon)(struct CFerBind_struct *self, double ptsx[],
double ptsy[], int numpts, grdelType brush,
grdelType pen);
grdelBool (*drawRectangle)(struct CFerBind_struct *self,
double left, double bottom, double right,
double top, grdelType brush, grdelType pen);
grdelBool (*textSize)(struct CFerBind_struct *self, const char *text, int textlen,
grdelType font, double *widthptr, double *heightptr);
grdelBool (*drawText)(struct CFerBind_struct *self, const char *text, int textlen,
double startx, double starty, grdelType font, grdelType color,
double rotation);
grdelBool (*setWaterMark)(struct CFerBind_struct *self,const char *filename, int len_filename,
float xloc, float yloc, float scalefrac, float opacity);
} CFerBind;
/*
* Calls the appropriate createWindow function to create the bindings
* instance and any other appropriate initialization for this "Window".
*/
CFerBind *cferbind_createWindow(const char *enginename, int engnamelen,
const char *windowname, int winnamelen,
int visible, int noalpha, int rasteronly);
/* The createWindow function for the Cairo engine */
CFerBind *cairoCFerBind_createWindow(int noalpha, int rasteronly);
/* The createWindow function for the PyQtCairo engine */
CFerBind *pyqtcairoCFerBind_createWindow(const char *windowname, int windnamelen,
int visible, int noalpha);
#endif
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