VGSEvalState Struct Reference

Data Fields
void *	log_ctx
AVFrame *	frame
	Current frame.
cairo_t *	cairo_ctx
	Cairo context for drawing operations.
cairo_pattern_t *	pattern_builder
	Pattern being built by commands like colorstop.
int	interrupted
	Register if break was called in a subprogram.
int	preserve_path
	Next call to [eo]fill, [eo]clip, or stroke, should use the _preserve function.
struct VGSProcedure *	procedures
	Subprograms associated to each procedure identifier.
const char *const *	proc_names
	Reference to the procedure names in the VGSProgram.
double	vars [VAR_COUNT]
	Values for the variables in expressions.
cairo_color	color_vars [USER_VAR_COUNT]
	Colors stored in variables.
struct {
double   numeric
uint8_t   components [4]
}	last_fn_p_color
	Track last color read by the p() function.
FFSFC64	random_state [RANDOM_STATES]
	State for each index available for the randomg function.
AVDictionary *	metadata
	Frame metadata, if any.
struct {
enum	{ RCP_NONE , RCP_VALID , RCP_UPDATED }
enum VGSEvalState:: { ... }    status
double   cubic_x
double   cubic_y
double   quad_x
double   quad_y
}	rcp

Detailed Description

Definition at line 1430 of file vf_drawvg.c.

Field Documentation

log_ctx

void* VGSEvalState::log_ctx

Definition at line 1431 of file vf_drawvg.c.

Referenced by vgs_eval_state_init().

frame

AVFrame* VGSEvalState::frame

Current frame.

Definition at line 1434 of file vf_drawvg.c.

cairo_ctx

cairo_t* VGSEvalState::cairo_ctx

Cairo context for drawing operations.

Definition at line 1437 of file vf_drawvg.c.

Referenced by drawvg_filter_frame().

pattern_builder

cairo_pattern_t* VGSEvalState::pattern_builder

Pattern being built by commands like colorstop.

Definition at line 1440 of file vf_drawvg.c.

interrupted

int VGSEvalState::interrupted

Register if break was called in a subprogram.

Definition at line 1443 of file vf_drawvg.c.

preserve_path

int VGSEvalState::preserve_path

Next call to [eo]fill, [eo]clip, or stroke, should use the _preserve function.

Definition at line 1447 of file vf_drawvg.c.

procedures

struct VGSProcedure* VGSEvalState::procedures

Subprograms associated to each procedure identifier.

Definition at line 1450 of file vf_drawvg.c.

proc_names

const char* const* VGSEvalState::proc_names

Reference to the procedure names in the VGSProgram.

Definition at line 1453 of file vf_drawvg.c.

vars

double VGSEvalState::vars[VAR_COUNT]

Values for the variables in expressions.

Some variables (like cx or cy) are written before executing each statement.

Definition at line 1459 of file vf_drawvg.c.

Referenced by drawvg_filter_frame().

color_vars

cairo_color VGSEvalState::color_vars[USER_VAR_COUNT]

Colors stored in variables.

Definition at line 1462 of file vf_drawvg.c.

numeric

double VGSEvalState::numeric

Definition at line 1466 of file vf_drawvg.c.

components

uint8_t VGSEvalState::components[4]

Definition at line 1467 of file vf_drawvg.c.

[struct]

struct { ... } VGSEvalState::last_fn_p_color

Track last color read by the p() function.

random_state

FFSFC64 VGSEvalState::random_state[RANDOM_STATES]

State for each index available for the randomg function.

Definition at line 1471 of file vf_drawvg.c.

metadata

AVDictionary* VGSEvalState::metadata

Frame metadata, if any.

Definition at line 1474 of file vf_drawvg.c.

Referenced by drawvg_filter_frame().

[]

enum { ... } VGSEvalState::status

cubic_x

double VGSEvalState::cubic_x

Definition at line 1482 of file vf_drawvg.c.

cubic_y

double VGSEvalState::cubic_y

Definition at line 1483 of file vf_drawvg.c.

quad_x

double VGSEvalState::quad_x

Definition at line 1484 of file vf_drawvg.c.

quad_y

double VGSEvalState::quad_y

Definition at line 1485 of file vf_drawvg.c.

[struct]

struct { ... } VGSEvalState::rcp

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

• libavfilter/vf_drawvg.c