用freetype2显示ascii-art中文

#include

<ft2build.h>

#include

FT_FREETYPE_H

int

main

(int

argc

, char

**argv

){

int

psize

;

FT_Library

library

;

FT_Face

face

;

unsigned

int

ucode

;

FT_UInt

glyph_index

;

int

row

, pixel

;

if

(argc != 4){

return

10;

}

ucode = strtol(argv[2], NULL

, 16);

psize = strtol(argv[3], NULL

, 10);

printf("unicode +%X size %d/n"

, ucode, psize);

if

(FT_Init_FreeType(&library)

|| FT_New_Face(library,

argv[1],

0,

&face)

|| FT_Set_Pixel_Sizes(face,

psize,

0)){

return

1;

}

glyph_index = FT_Get_Char_Index(face, ucode);

if

(glyph_index == 0){

return

2;

}

if

(FT_Load_Glyph(face,

glyph_index,

FT_LOAD_DEFAULT)){

return

3;

}

if

(FT_Render_Glyph(face->glyph,

FT_RENDER_MODE_MONO)){

return

4;

}

printf("bitmap_left=%d/n"

"bitmap_top=%d/n"

"bitmap.rows=%d/n"

"bitmap.width=%d/n"

"bitmap.pitch=%d/n"

"bitmap.pixel_mode=%d/n"

,

face->glyph->bitmap_left,

face->glyph->bitmap_top,

face->glyph->bitmap.rows,

face->glyph->bitmap.width,

face->glyph->bitmap.pitch,

face->glyph->bitmap.pixel_mode);

printf("/n/n"

);

for

(row = 0;

row < (face->glyph->bitmap.rows - face->glyph->bitmap_top);

++row){

for

(pixel = 0; pixel < face->glyph->bitmap.width; ++pixel){

printf("_"

);

}

printf("/n"

);

}

for

(row = 0; row < face->glyph->bitmap.rows; ++row){

for

(pixel = 0; pixel < face->glyph->bitmap_left; ++pixel)

printf("_"

);

for

(pixel = 0; pixel < face->glyph->bitmap.width; ++pixel){

printf("%c"

, (face->glyph->bitmap.buffer

[row * face->glyph->bitmap.pitch +

pixel/8] & (0xC0 >> (pixel % 8)))?'O'

:'_'

);

}

printf("/n"

);

}

return

0;

}

all

: getbitmap

getbitmap.o

: getbitmap.c

gcc $(CXXFLAGS

) -c `pkg-config freetype2 --cflags`

$<

-o $

@

getbitmap

: getbitmap.o

gcc $(CXXFLAGS

) `pkg-config freetype2 --libs`

-lm $<

-o $

@

clean

:

rm -f *.o getbitmap

hellwolf

@

cocteau

#

pts/1

%

J0S2

:

getbitmap

$

./getbitmap /usr/share/fonts/chinese/True

Type/uming.ttf $(mygetunicode 永) 12

unicode +6C38 size 12

bitmap_left=0

bitmap_top=10

bitmap.rows=11

bitmap.width=11

bitmap.pitch=2

bitmap.pixel_mode=1

___________

____OOO____

______OO___

__OOOOO____

_____OO_OO_

OOOOOOO_O__

___OOOOO___

___OOOOO___

__OO_OO_O__

_OOOOOO_OO_

OO__OOO_OOO

O___OO___OO

hellwolf

@

cocteau

#

pts/1

%

J0S2

:

getbitmap

$

./getbitmap /usr/share/fonts/chinese/True

Type/uming.ttf $(mygetunicode 永) 16

unicode +6C38 size 16

bitmap_left=1

bitmap_top=14

bitmap.rows=15

bitmap.width=14

bitmap.pitch=2

bitmap.pixel_mode=1

______________

_____OO________

______OOO______

_______OO______

_______________

__OOOOOOO__OOO_

_______OO__OO__

____OO_OO_OO___

_OOOOOOOOOO____

____OO_OOO_____

___OO__OOOO____

___OO__OOOO____

__OO___OO_OO___

_OO_OO_OO__OOO_

_O___OOOO___OOO

______OO_____OO

hellwolf

@

cocteau

#

pts/1

%

J0S2

:

getbitmap

$

./getbitmap /usr/share/fonts/chinese/True

Type/uming.ttf $(mygetunicode 永) 20

unicode +6C38 size 20

bitmap_left=0

bitmap_top=18

bitmap.rows=20

bitmap.width=20

bitmap.pitch=4

bitmap.pixel_mode=1

____________________

____________________

____________________

________OOO_________

_________OOO________

____________________

_________OO_________

____OOOOOOOO____O___

_________OO___OOOO__

_________OOO__OO____

OOOOOOOO_OOO_OO_____

_____OOO_OOOOO______

_____OO__OOOO_______

_____OO__OOOO_______

____OOO__OO_OO______

____OO___OO__OO_____

___OO____OO__OOO____

___OO____OO___OOO___

__OO_____OO_____OOOO

_OO______OO_________

OO______OOO_________

____________________

hellwolf

@

cocteau

#

pts/1

%

J0S2

:

getbitmap

$

./getbitmap /usr/share/fonts/chinese/True

Type/uming.ttf $(mygetunicode 中) 16

unicode +4E2D size 16

bitmap_left=1

bitmap_top=14

bitmap.rows=15

bitmap.width=14

bitmap.pitch=2

bitmap.pixel_mode=1

______________

______OOO______

______OO_______

______OO_______

______OO____OO_

_OOOOOOOOOOOOOO

_O____OO____OO_

_O____OO____OO_

_O____OO____OO_

_OOOOOOOOOOOOO_

_O____OO____OO_

______OO_______

______OO_______

______OO_______

______OO_______

______OO_______

hellwolf

@

cocteau

#

pts/1

%

J0S2

:

getbitmap

$

./getbitmap /usr/share/fonts/chinese/True

Type/uming.ttf $(mygetunicode 中) 32

unicode +4E2D size 32

bitmap_left=4

bitmap_top=28

bitmap.rows=32

bitmap.width=26

bitmap.pitch=4

bitmap.pixel_mode=1

__________________________

__________________________

__________________________

__________________________

______________OO______________

______________OOOO____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

____O_________OOO________OOO__

____OOOOOOOOOOOOOOOOOOOOOOOOO_

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____OOOOOOOOOOOOOOOOOOOOOOOO__

____OO________OOO________OOO__

____OO________OOO________OOO__

____O_________OOO________OO___

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OOO_____________

______________OO______________

______________________________

hellwolf

@

cocteau

#

pts/1

%

J0S2

:

getbitmap

$