freetype.c File Reference

Display freetype fonts in a pix. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "allheaders.h"
#include <ft2build.h>

Go to the source code of this file.

Data Structures
struct	ft_library_st
Defines
#define	MAX(a, b)   (((a)>(b))?(a):(b))
#define	ROUNDUPDOWN(val, updown)   (!updown) ? (val < 0 ? ((val - 63) >> 6) : val >> 6) : (val > 0 ? ((val + 63) >> 6) : val >> 6)
Functions
static l_int32	ftUtfToUniChar (char *str, l_int32 *chPtr)
static PIX *	ftDrawBitmap (l_uint32 *datad, l_uint32 color, FT_Bitmap bitmap, l_int32 pen_x, l_int32 pen_y, l_int32 width, l_int32 height)
FT_LIBRARY *	ftInitLibrary (void)
void	ftShutdownLibrary (FT_LIBRARY *lib_ptr)
PIX *	pixWriteTTFText (FT_LIBRARY *lib_ptr, PIX *pixs, l_float32 size, l_float32 angle, l_int32 x, l_int32 y, l_int32 letter_space, l_uint32 color, l_uint8 *fontfile, l_uint8 *text, l_int32 text_len, l_int32 *brect)

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Detailed Description

Display freetype fonts in a pix.

    static l_int32       ftUtfToUniChar()
    static PIX          *ftDrawBitmap()
           FT_LIBRARY   *ftInitLibrary()
           void          ftShutdownLibrary()
           PIX          *pixWriteTTFText()

Definition in file freetype.c.

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Define Documentation

#define MAX	(		a,
			b
	)		(((a)>(b))?(a):(b))

Definition at line 36 of file freetype.c.

#define ROUNDUPDOWN	(		val,
			updown
	)		(!updown) ? (val < 0 ? ((val - 63) >> 6) : val >> 6) : (val > 0 ? ((val + 63) >> 6) : val >> 6)

Definition at line 38 of file freetype.c.

Referenced by pixWriteTTFText().

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Function Documentation

static l_int32 ftUtfToUniChar	(	char *	str,
		l_int32 *	chPtr
	)		[static]

Definition at line 45 of file freetype.c.

Referenced by pixWriteTTFText().

static PIX* ftDrawBitmap	(	l_uint32 *	datad,
		l_uint32	color,
		FT_Bitmap	bitmap,
		l_int32	pen_x,
		l_int32	pen_y,
		l_int32	width,
		l_int32	height
	)		[static]

Definition at line 118 of file freetype.c.

References ERROR_PTR, GET_DATA_BYTE, L_ALPHA_CHANNEL, NULL, PROCNAME, and SET_DATA_BYTE.

Referenced by pixWriteTTFText().

FT_LIBRARY* ftInitLibrary

(

void

)

Definition at line 186 of file freetype.c.

References CALLOC, FREE, ft_library_st::library, and NULL.

void ftShutdownLibrary

(

FT_LIBRARY *

lib_ptr

)

Definition at line 203 of file freetype.c.

References FREE, and ft_library_st::library.

PIX* pixWriteTTFText	(	FT_LIBRARY *	lib_ptr,
		PIX *	pixs,
		l_float32	size,
		l_float32	angle,
		l_int32	x,
		l_int32	y,
		l_int32	letter_space,
		l_uint32	color,
		l_uint8 *	fontfile,
		l_uint8 *	text,
		l_int32	text_len,
		l_int32 *	brect
	)

Definition at line 213 of file freetype.c.

References ERROR_PTR, ftDrawBitmap(), ftUtfToUniChar(), image, LEPTONICA_FT_RESOLUTION, ft_library_st::library, NULL, pixConvertTo32(), pixCopy(), pixDestroy(), pixGetData(), pixGetDepth(), pixGetHeight(), pixGetWidth(), PROCNAME, ROUNDUPDOWN, x1, and y1.