DrawTextContext Struct Reference
Collaboration diagram for DrawTextContext:
Collaboration graph

Data Fields

const AVClassclass
 
enum expansion_mode exp_mode
 expansion mode to use for the text More...
 
int reinit
 tells if the filter is being reinited More...
 
uint8_tfontfile
 font to be used More...
 
uint8_ttext
 text to be drawn More...
 
AVBPrint expanded_text
 used to contain the expanded text More...
 
int ft_load_flags
 flags used for loading fonts, see FT_LOAD_* More...
 
FT_Vector * positions
 positions for each element in the text More...
 
size_t nb_positions
 number of elements of positions array More...
 
char * textfile
 file with text to be drawn More...
 
int x
 x position to start drawing text More...
 
int y
 y position to start drawing text More...
 
int max_glyph_w
 max glyph width More...
 
int max_glyph_h
 max glyph height More...
 
int shadowx
 
int shadowy
 
unsigned int fontsize
 font size to use More...
 
char * fontcolor_string
 font color as string More...
 
char * boxcolor_string
 box color as string More...
 
char * shadowcolor_string
 shadow color as string More...
 
short int draw_box
 draw box around text - true or false More...
 
int use_kerning
 font kerning is used - true/false More...
 
int tabsize
 tab size More...
 
int fix_bounds
 do we let it go out of frame bounds - t/f More...
 
FFDrawContext dc
 
FFDrawColor fontcolor
 foreground color More...
 
FFDrawColor shadowcolor
 shadow color More...
 
FFDrawColor boxcolor
 background color More...
 
FT_Library library
 freetype font library handle More...
 
FT_Face face
 freetype font face handle More...
 
struct AVTreeNodeglyphs
 rendered glyphs, stored using the UTF-32 char code More...
 
char * x_expr
 expression for x position More...
 
char * y_expr
 expression for y position More...
 
AVExprx_pexpr
 
AVExpry_pexpr
 parsed expressions for x and y More...
 
int64_t basetime
 base pts time in the real world for display More...
 
double var_values [VAR_VARS_NB]
 
char * draw_expr
 expression for draw More...
 
AVExprdraw_pexpr
 parsed expression for draw More...
 
int draw
 set to zero to prevent drawing More...
 
AVLFG prng
 random More...
 
char * tc_opt_string
 specified timecode option string More...
 
AVRational tc_rate
 frame rate for timecode More...
 
AVTimecode tc
 timecode context More...
 
int tc24hmax
 1 if timecode is wrapped to 24 hours, 0 otherwise More...
 
int frame_id
 
int reload
 reload text file for each frame More...
 

Detailed Description

Definition at line 120 of file vf_drawtext.c.

Field Documentation

int64_t DrawTextContext::basetime

base pts time in the real world for display

Definition at line 157 of file vf_drawtext.c.

Referenced by draw_text().

FFDrawColor DrawTextContext::boxcolor

background color

Definition at line 149 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and init().

char* DrawTextContext::boxcolor_string

box color as string

Definition at line 138 of file vf_drawtext.c.

Referenced by init().

const AVClass* DrawTextContext::class

Definition at line 121 of file vf_drawtext.c.

FFDrawContext DrawTextContext::dc

Definition at line 146 of file vf_drawtext.c.

Referenced by config_input(), draw_glyphs(), and draw_text().

int DrawTextContext::draw

set to zero to prevent drawing

Definition at line 161 of file vf_drawtext.c.

Referenced by draw_text().

short int DrawTextContext::draw_box

draw box around text - true or false

Definition at line 141 of file vf_drawtext.c.

Referenced by draw_text().

char* DrawTextContext::draw_expr

expression for draw

Definition at line 159 of file vf_drawtext.c.

Referenced by config_input().

AVExpr* DrawTextContext::draw_pexpr

parsed expression for draw

Definition at line 160 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and uninit().

enum expansion_mode DrawTextContext::exp_mode

expansion mode to use for the text

Definition at line 122 of file vf_drawtext.c.

Referenced by draw_text(), and init().

AVBPrint DrawTextContext::expanded_text

used to contain the expanded text

Definition at line 126 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), expand_text(), init(), and uninit().

FT_Face DrawTextContext::face

freetype font face handle

Definition at line 152 of file vf_drawtext.c.

Referenced by draw_text(), init(), load_font_file(), load_glyph(), and uninit().

int DrawTextContext::fix_bounds

do we let it go out of frame bounds - t/f

Definition at line 144 of file vf_drawtext.c.

FFDrawColor DrawTextContext::fontcolor

foreground color

Definition at line 147 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and init().

char* DrawTextContext::fontcolor_string

font color as string

Definition at line 137 of file vf_drawtext.c.

Referenced by init().

uint8_t* DrawTextContext::fontfile

font to be used

Definition at line 124 of file vf_drawtext.c.

Referenced by init(), load_font(), and load_font_file().

unsigned int DrawTextContext::fontsize

font size to use

Definition at line 136 of file vf_drawtext.c.

Referenced by init(), and load_font_file().

int DrawTextContext::frame_id

Definition at line 167 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::ft_load_flags

flags used for loading fonts, see FT_LOAD_*

Definition at line 127 of file vf_drawtext.c.

Referenced by load_glyph().

struct AVTreeNode* DrawTextContext::glyphs

rendered glyphs, stored using the UTF-32 char code

Definition at line 153 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), load_glyph(), and uninit().

FT_Library DrawTextContext::library

freetype font library handle

Definition at line 151 of file vf_drawtext.c.

Referenced by init(), load_font_file(), and uninit().

int DrawTextContext::max_glyph_h

max glyph height

Definition at line 134 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::max_glyph_w

max glyph width

Definition at line 133 of file vf_drawtext.c.

Referenced by draw_text().

size_t DrawTextContext::nb_positions

number of elements of positions array

Definition at line 129 of file vf_drawtext.c.

Referenced by draw_text(), and uninit().

FT_Vector* DrawTextContext::positions

positions for each element in the text

Definition at line 128 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), and uninit().

AVLFG DrawTextContext::prng

random

Definition at line 162 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and func_eval_expr().

int DrawTextContext::reinit

tells if the filter is being reinited

Definition at line 123 of file vf_drawtext.c.

Referenced by command(), and config_input().

int DrawTextContext::reload

reload text file for each frame

Definition at line 168 of file vf_drawtext.c.

Referenced by filter_frame(), and init().

FFDrawColor DrawTextContext::shadowcolor

shadow color

Definition at line 148 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and init().

char* DrawTextContext::shadowcolor_string

shadow color as string

Definition at line 139 of file vf_drawtext.c.

Referenced by init().

int DrawTextContext::shadowx

Definition at line 135 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::shadowy

Definition at line 135 of file vf_drawtext.c.

Referenced by draw_text().

int DrawTextContext::tabsize

tab size

Definition at line 143 of file vf_drawtext.c.

Referenced by draw_text(), and init().

AVTimecode DrawTextContext::tc

timecode context

Definition at line 165 of file vf_drawtext.c.

Referenced by draw_text(), and init().

int DrawTextContext::tc24hmax

1 if timecode is wrapped to 24 hours, 0 otherwise

Definition at line 166 of file vf_drawtext.c.

Referenced by init().

char* DrawTextContext::tc_opt_string

specified timecode option string

Definition at line 163 of file vf_drawtext.c.

Referenced by draw_text(), and init().

AVRational DrawTextContext::tc_rate

frame rate for timecode

Definition at line 164 of file vf_drawtext.c.

Referenced by init().

uint8_t* DrawTextContext::text

text to be drawn

Definition at line 125 of file vf_drawtext.c.

Referenced by draw_text(), expand_text(), init(), and load_textfile().

char* DrawTextContext::textfile

file with text to be drawn

Definition at line 130 of file vf_drawtext.c.

Referenced by init(), and load_textfile().

int DrawTextContext::use_kerning

font kerning is used - true/false

Definition at line 142 of file vf_drawtext.c.

Referenced by draw_text(), and init().

double DrawTextContext::var_values[VAR_VARS_NB]
int DrawTextContext::x

x position to start drawing text

Definition at line 131 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), and filter_frame().

char* DrawTextContext::x_expr

expression for x position

Definition at line 154 of file vf_drawtext.c.

Referenced by config_input().

AVExpr* DrawTextContext::x_pexpr

Definition at line 156 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and uninit().

int DrawTextContext::y

y position to start drawing text

Definition at line 132 of file vf_drawtext.c.

Referenced by draw_glyphs(), draw_text(), and filter_frame().

char* DrawTextContext::y_expr

expression for y position

Definition at line 155 of file vf_drawtext.c.

Referenced by config_input().

AVExpr * DrawTextContext::y_pexpr

parsed expressions for x and y

Definition at line 156 of file vf_drawtext.c.

Referenced by config_input(), draw_text(), and uninit().


The documentation for this struct was generated from the following file: