OpenFontRender.h File Reference

#include <stdarg.h>
#include <stdio.h>
#include "ft2build.h"
#include <FT_CACHE_H>
#include <FT_FREETYPE_H>
#include <functional>
#include <queue>
#include <string>
#include <utility>
#include <vector>
#include "FileSupport.h"

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Classes
class	OpenFontRender
struct	OpenFontRender::Cursor
	Structure for handling cursor position. More...

Macros
#define	setDrawPixel(F)   set_drawPixel([&](int32_t x, int32_t y, uint16_t c) { return F(x, y, c); })
	Set function to draw pixel to screen.
#define	setDrawFastHLine(F)   set_drawFastHLine([&](int32_t x, int32_t y, int32_t w, uint16_t c) { return F(x, y, w, c); })
	Set function to fast draw horizontal line to screen. (Optional)
#define	setStartWrite(F)   set_startWrite([&](void) { return F(); })
	It is called only once at the beginning of a sequence of drawings. (Optional)
#define	setEndWrite(F)   set_endWrite([&](void) { return F(); })
	It is called only once at the beginning of a sequence of drawings. (Optional)
#define	setPrintFunc(F)   set_printFunc([&](const char *s) { return F(s); })
	Specifies the standard output destination for the system. (Optional)

Enumerations
enum	OFR_DEBUG_LEVEL {   OFR_NONE = 0 , OFR_ERROR = 1 , OFR_INFO = 2 , OFR_DEBUG = 4 ,   OFR_RAW = 8 }
	An enumeration for specifying the debug log level. More...
enum class	Align {   Left , Center , Right , TopLeft ,   TopCenter , TopRight , MiddleLeft , MiddleCenter ,   MiddleRight , BottomLeft , BottomCenter , BottomRight }
	An enumeration for specifying the text alignment. More...
enum class	BgFillMethod { None , Minimum , Block }
	An enumeration for specifying the background drawing method. More...
enum class	Layout { Horizontal , Vertical }
	An enumeration for specifying the direction in which characters are written. More...
enum class	Drawing { Execute , Skip }
	An enumeration for specifying the whether to draw to screen. More...

Enumeration Type Documentation

Align

enum class Align

strong

An enumeration for specifying the text alignment.

See also

PREPARING figure

Enumerator
Left	Alias of "TopLeft".
Center	Alias of "TopCenter".
Right	Alias of "TopRight".
TopLeft	The cursor position is considered to be the top-left corner of the text box.
TopCenter	The cursor position is considered to be the top-center of the text box.
TopRight	The cursor position is considered to be the top-right corner of the text box.
MiddleLeft	The cursor position is considered to be the middle-left of the text box.
MiddleCenter	The cursor position is considered to be the middle-center of the text box.
MiddleRight	The cursor position is considered to be the middle-right of the text box.
BottomLeft	The cursor position is considered to be the bottom-left corner of the text box.
BottomCenter	The cursor position is considered to be the bottom-center of the text box.
BottomRight	The cursor position is considered to be the bottom-right corner of the text box.

BgFillMethod

enum class BgFillMethod

strong

An enumeration for specifying the background drawing method.

Enumerator
None	Does not fill the background.
Minimum	Fill in the smallest area that surrounds each character.
Block	Fill in the smallest area that surrounds the string.

Drawing

enum class Drawing

strong

An enumeration for specifying the whether to draw to screen.

Enumerator
Execute	The drawing process is executed and the screen will be updated.
Skip	The drawing process is skiped and the screen will not be updated.

Layout

enum class Layout

strong

An enumeration for specifying the direction in which characters are written.

Enumerator
Horizontal	Write from left to right.
Vertical	Write from top to bottom.

OFR_DEBUG_LEVEL

enum OFR_DEBUG_LEVEL

An enumeration for specifying the debug log level.

Enumerator
OFR_NONE	No output.
OFR_ERROR	Output only errors.
OFR_INFO	Output some informations.
OFR_DEBUG	Output character rendering result.
OFR_RAW	Use for internal.