imagemap.h File Reference

Interface to HTML imagemap. More...

#include <dom/dom.h>

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Functions
void	imagemap_destroy (struct html_content *c)
	Destroy hashtable of imagemaps. More...
void	imagemap_dump (struct html_content *c)
	Dump imagemap data to the log. More...
nserror	imagemap_extract (struct html_content *c)
	Extract all imagemaps from a document tree. More...
struct nsurl *	imagemap_get (struct html_content *c, const char *key, unsigned long x, unsigned long y, unsigned long click_x, unsigned long click_y, const char **target)
	Retrieve url associated with imagemap entry. More...

Detailed Description

Interface to HTML imagemap.

Definition in file imagemap.h.

Function Documentation

imagemap_destroy()

void imagemap_destroy

(

html_content *

c

)

Destroy hashtable of imagemaps.

Parameters

c	The containing content

Definition at line 200 of file imagemap.c.

References HASH_SIZE, imagemap_freelist(), html_content::imagemaps, imagemap::key, imagemap::list, and imagemap::next.

Referenced by html_destroy().

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imagemap_dump()

void imagemap_dump

(

html_content *

c

)

Dump imagemap data to the log.

Parameters

c	The containing content

Definition at line 231 of file imagemap.c.

References mapentry::bounds, mapentry::circle, HASH_SIZE, IMAGEMAP_CIRCLE, IMAGEMAP_DEFAULT, IMAGEMAP_POLY, IMAGEMAP_RECT, html_content::imagemaps, imagemap::key, imagemap::list, mapentry::next, imagemap::next, NSLOG, nsurl_access(), mapentry::num, mapentry::poly, mapentry::r, mapentry::rect, mapentry::type, mapentry::url, mapentry::x, mapentry::x0, mapentry::x1, mapentry::xcoords, mapentry::y, mapentry::y0, mapentry::y1, and mapentry::ycoords.

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imagemap_extract()

nserror imagemap_extract

(

html_content *

c

)

Extract all imagemaps from a document tree.

Parameters

c	The content to extract imagemaps from.

Returns

false on memory exhaustion, true otherwise

Todo:

check this

Todo:

check this

Definition at line 603 of file imagemap.c.

References html_content::document, imagemap_add(), imagemap_extract_map(), imagemap_freelist(), NSERROR_DOM, NSERROR_NOMEM, and NSERROR_OK.

Referenced by html_box_convert_done().

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imagemap_get()

struct nsurl * imagemap_get	(	struct html_content *	c,
		const char *	key,
		unsigned long	x,
		unsigned long	y,
		unsigned long	click_x,
		unsigned long	click_y,
		const char **	target
	)

Retrieve url associated with imagemap entry.

Parameters

c	The containing content
key	The map name to search for
x	The left edge of the containing box
y	The top edge of the containing box
click_x	The horizontal location of the click
click_y	The vertical location of the click
target	Pointer to location to receive target pointer (if any)

Returns

The url associated with this area, or NULL if not found

Definition at line 737 of file imagemap.c.

References mapentry::bounds, mapentry::circle, IMAGEMAP_CIRCLE, IMAGEMAP_DEFAULT, imagemap_hash(), imagemap_point_in_poly(), IMAGEMAP_POLY, IMAGEMAP_RECT, html_content::imagemaps, imagemap::key, imagemap::list, mapentry::next, imagemap::next, mapentry::num, mapentry::poly, mapentry::r, mapentry::rect, mapentry::target, mapentry::type, mapentry::url, mapentry::x, mapentry::x0, mapentry::xcoords, mapentry::y, mapentry::y0, and mapentry::ycoords.

Referenced by get_mouse_action_node(), and html_get_contextual_content().

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