font_engine.c File Reference

#include <gpac/internal/compositor_dev.h>
#include <gpac/modules/font.h>
#include <gpac/options.h>
#include "visual_manager.h"
#include "nodes_stacks.h"
#include "texturing.h"

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Data Structures
struct	GF_FontManager
struct	GF_SpanExtensions

Macros
#define	MAX_TX_SIZE   512
#define	MIN_TX_SIZE   32

Functions
GF_FontManager *	gf_font_manager_new (GF_User *user)
void	gf_font_predestroy (GF_Font *font)
void	gf_font_del (GF_Font *font)
void	gf_font_manager_del (GF_FontManager *fm)
GF_Err	gf_font_manager_register_font (GF_FontManager *fm, GF_Font *font)
GF_Err	gf_font_manager_unregister_font (GF_FontManager *fm, GF_Font *font)
GF_Font *	gf_font_manager_set_font_ex (GF_FontManager *fm, char **alt_fonts, u32 nb_fonts, u32 styles, Bool check_only)
GF_Font *	gf_font_manager_set_font (GF_FontManager *fm, char **alt_fonts, u32 nb_fonts, u32 styles)
static GF_Glyph *	gf_font_get_glyph (GF_FontManager *fm, GF_Font *font, u32 name)
GF_TextSpan *	gf_font_manager_create_span (GF_FontManager *fm, GF_Font *font, char *text, Fixed font_size, Bool needs_x_offset, Bool needs_y_offset, Bool needs_rotate, const char *xml_lang, Bool fliped_text, u32 styles, GF_Node *user)
void	gf_font_manager_delete_span (GF_FontManager *fm, GF_TextSpan *span)
void	gf_font_manager_refresh_span_bounds (GF_TextSpan *span)
GF_Path *	gf_font_span_create_path (GF_TextSpan *span)
static void	span_alloc_extensions (GF_TextSpan *span)
static void	span_build_mesh (GF_TextSpan *span)
static Bool	span_setup_texture (GF_Compositor *compositor, GF_TextSpan *span, Bool for_3d, GF_TraverseState *tr_state)
static void	span_fill_3d (GF_TextSpan *span, GF_TraverseState *tr_state)
static void	span_strike_3d (GF_TextSpan *span, GF_TraverseState *tr_state, DrawAspect2D *asp, Bool vect_outline)
void	gf_font_spans_draw_3d (GF_List *spans, GF_TraverseState *tr_state, DrawAspect2D *asp, u32 text_hl, Bool force_texturing)
static void	gf_font_span_draw_2d (GF_TraverseState *tr_state, GF_TextSpan *span, DrawableContext *ctx, GF_Rect *bounds)
void	gf_font_underline_span (GF_TraverseState *tr_state, GF_TextSpan *span, DrawableContext *ctx)
static GF_Rect	font_get_sel_rect (GF_TraverseState *tr_state)
static void	gf_font_spans_select (GF_TextSpan *span, GF_TraverseState *tr_state, DrawableContext *ctx, Bool has_more_spans, Bool first_span, GF_Rect *rc)
void	gf_font_spans_get_selection (GF_Node *node, GF_List *spans, GF_TraverseState *tr_state)
void	gf_font_spans_draw_2d (GF_List *spans, GF_TraverseState *tr_state, u32 hl_color, Bool force_texture_text, GF_Rect *bounds)
void	gf_font_spans_pick (GF_Node *node, GF_List *spans, GF_TraverseState *tr_state, GF_Rect *node_bounds, Bool use_dom_events, Drawable *drawable)

---

Data Structure Documentation

struct _gf_ft_mgr

Collaboration diagram for GF_FontManager:

Data Fields
GF_FontReader *	reader
GF_Font *	font
GF_Font *	default_font
GF_Path *	line_path
u32 *	id_buffer
u32	id_buffer_size
Bool	wait_font_load

struct GF_SpanExtensions

Collaboration diagram for GF_SpanExtensions:

Data Fields
Fixed	last_zoom
GF_TextureHandler *	txh
GF_Path *	path
GF_Mesh *	mesh
GF_Mesh *	tx_mesh
GF_Mesh *	outline

Macro Definition Documentation

#define MAX_TX_SIZE   512

#define MIN_TX_SIZE   32

Function Documentation

GF_FontManager* gf_font_manager_new

(

GF_User *

user

)

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void gf_font_predestroy

(

GF_Font *

font

)

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void gf_font_del

(

GF_Font *

font

)

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void gf_font_manager_del

(

GF_FontManager *

fm

)

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GF_Err gf_font_manager_register_font	(	GF_FontManager *	fm,
		GF_Font *	font
	)

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GF_Err gf_font_manager_unregister_font	(	GF_FontManager *	fm,
		GF_Font *	font
	)

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GF_Font* gf_font_manager_set_font_ex	(	GF_FontManager *	fm,
		char **	alt_fonts,
		u32	nb_fonts,
		u32	styles,
		Bool	check_only
	)

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GF_Font* gf_font_manager_set_font	(	GF_FontManager *	fm,
		char **	alt_fonts,
		u32	nb_fonts,
		u32	styles
	)

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static GF_Glyph* gf_font_get_glyph ( GF_FontManager *  fm, GF_Font *  font, u32  name  )

static

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GF_TextSpan* gf_font_manager_create_span	(	GF_FontManager *	fm,
		GF_Font *	font,
		char *	text,
		Fixed	font_size,
		Bool	needs_x_offset,
		Bool	needs_y_offset,
		Bool	needs_rotate,
		const char *	xml_lang,
		Bool	fliped_text,
		u32	styles,
		GF_Node *	user
	)

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void gf_font_manager_delete_span	(	GF_FontManager *	fm,
		GF_TextSpan *	span
	)

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void gf_font_manager_refresh_span_bounds

(

GF_TextSpan *

span

)

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GF_Path* gf_font_span_create_path

(

GF_TextSpan *

span

)

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static void span_alloc_extensions ( GF_TextSpan *  span )

static

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static void span_build_mesh ( GF_TextSpan *  span )

static

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static Bool span_setup_texture ( GF_Compositor *  compositor, GF_TextSpan *  span, Bool  for_3d, GF_TraverseState *  tr_state  )

static

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static void span_fill_3d ( GF_TextSpan *  span, GF_TraverseState *  tr_state  )

static

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static void span_strike_3d ( GF_TextSpan *  span, GF_TraverseState *  tr_state, DrawAspect2D *  asp, Bool  vect_outline  )

static

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void gf_font_spans_draw_3d	(	GF_List *	spans,
		GF_TraverseState *	tr_state,
		DrawAspect2D *	asp,
		u32	text_hl,
		Bool	force_texturing
	)

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static void gf_font_span_draw_2d ( GF_TraverseState *  tr_state, GF_TextSpan *  span, DrawableContext *  ctx, GF_Rect *  bounds  )

static

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void gf_font_underline_span	(	GF_TraverseState *	tr_state,
		GF_TextSpan *	span,
		DrawableContext *	ctx
	)

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static GF_Rect font_get_sel_rect ( GF_TraverseState *  tr_state )

static

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static void gf_font_spans_select ( GF_TextSpan *  span, GF_TraverseState *  tr_state, DrawableContext *  ctx, Bool  has_more_spans, Bool  first_span, GF_Rect *  rc  )

static

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void gf_font_spans_get_selection	(	GF_Node *	node,
		GF_List *	spans,
		GF_TraverseState *	tr_state
	)

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void gf_font_spans_draw_2d	(	GF_List *	spans,
		GF_TraverseState *	tr_state,
		u32	hl_color,
		Bool	force_texture_text,
		GF_Rect *	bounds
	)

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void gf_font_spans_pick	(	GF_Node *	node,
		GF_List *	spans,
		GF_TraverseState *	tr_state,
		GF_Rect *	node_bounds,
		Bool	use_dom_events,
		Drawable *	drawable
	)

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