hershey_cairo.hpp File Reference

#include <cairo-pdf.h>
#include "font.hpp"
#include "glyph.hpp"
#include "string.hpp"

Go to the source code of this file.

Macros
#define	A4_P_WIDTH   595.275590551
#define	A4_P_HEIGHT   841.889763780
#define	A5_P_WIDTH   419.527559055
#define	A5_P_HEIGHT   595.275590551
#define	A6_P_WIDTH   297.637795276
#define	A6_P_HEIGHT   419.527559055
#define	B6_P_WIDTH   354.330708661
#define	B6_P_HEIGHT   498.897637795
#define	L4x6_WIDTH   287.716535433
#define	L4x6_HEIGHT   432.000000000

Functions
void	draw_glyph (cairo_t *cr, Hershey::Glyph glyph, float x0, float y0, float scale)
	Draw a glyph.
void	draw_glyphs (cairo_t *cr, Hershey::String string, float x0, float y0, float scale)
	Draw a string of glyphs.
void	draw_font (cairo_t *cr, Hershey::Font font, int width, int height)
	Draw the glyphs in a font.
float	position (float fraction, float x, float X)
	Calculate a fractional position.

Detailed Description

This header file contains the declaration of the functions for the Cairo interface.

Function Documentation

draw_font()

void draw_font	(	cairo_t *	cr,
		Hershey::Font	font,
		int	width,
		int	height
	)

Draw the glyphs in a font.

Parameters

cr	The Cairo context
font	The font to draw

draw_glyph()

void draw_glyph	(	cairo_t *	cr,
		Hershey::Glyph	glyph,
		float	x0,
		float	y0,
		float	scale
	)

Draw a glyph.

Parameters

cr	The Cairo context
glyph	The glyph to draw
x0	The starting x position
y0	The starting x position
scale	The amount to scale the glyph by

draw_glyphs()

void draw_glyphs	(	cairo_t *	cr,
		Hershey::String	string,
		float	x0,
		float	y0,
		float	scale
	)

Draw a string of glyphs.

Parameters

cr	The Cairo context
glyph	The string of glyphs to draw
x0	The starting x position
y0	The starting x position
scale	The amount to scale the glyphs by

position()

float position	(	float	fraction,
		float	x,
		float	X
	)

Calculate a fractional position.

Parameters

fraction	The fraction to use
x	The object's size
X	The total size