ico.c File Reference

implementation for image/ico content handler More...

#include <stdbool.h>
#include <stdlib.h>
#include <libnsbmp.h>
#include "utils/utils.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "netsurf/bitmap.h"
#include "netsurf/content.h"
#include "content/llcache.h"
#include "content/content_protected.h"
#include "content/content_factory.h"
#include "desktop/gui_internal.h"
#include "desktop/bitmap.h"
#include "image/image.h"
#include "image/ico.h"

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Data Structures
struct	nsico_content

Typedefs
typedef struct nsico_content	nsico_content

Functions
static void *	nsico_bitmap_create (int width, int height, unsigned int bmp_state)
	Callback for libnsbmp; forwards the call to bitmap_create() More...
static nserror	nsico_create_ico_data (nsico_content *c)
static nserror	nsico_create (const content_handler *handler, lwc_string *imime_type, const struct http_parameter *params, llcache_handle *llcache, const char *fallback_charset, bool quirks, struct content **c)
static bool	nsico_convert (struct content *c)
static bool	nsico__decode (struct bmp_image *ico)
static bool	nsico_redraw (struct content *c, struct content_redraw_data *data, const struct rect *clip, const struct redraw_context *ctx)
static void	nsico_destroy (struct content *c)
static nserror	nsico_clone (const struct content *old, struct content **newc)
static void *	nsico_get_internal (const struct content *c, void *context)
static content_type	nsico_content_type (void)
static bool	nsico_is_opaque (struct content *c)
	CONTENT_FACTORY_REGISTER_TYPES (nsico, nsico_types, nsico_content_handler)

Variables
static const content_handler	nsico_content_handler
static const char *	nsico_types []

Detailed Description

implementation for image/ico content handler

Definition in file ico.c.

Typedef Documentation

nsico_content

typedef struct nsico_content nsico_content

Function Documentation

CONTENT_FACTORY_REGISTER_TYPES()

CONTENT_FACTORY_REGISTER_TYPES	(	nsico	,
		nsico_types	,
		nsico_content_handler
	)

nsico__decode()

static bool nsico__decode ( struct bmp_image *  ico )

static

Definition at line 176 of file ico.c.

References netsurf_table::bitmap, bitmap_format_to_client(), guit, gui_bitmap_table::modified, and NSLOG.

Referenced by nsico_get_internal(), nsico_is_opaque(), and nsico_redraw().

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nsico_bitmap_create()

static void * nsico_bitmap_create ( int  width, int  height, unsigned int  bmp_state  )

static

Callback for libnsbmp; forwards the call to bitmap_create()

Parameters

width	width of image in pixels
height	width of image in pixels
bmp_state	A flag word indicating the initial state

Returns

an opaque struct bitmap, or NULL on memory exhaustion

Definition at line 56 of file ico.c.

References netsurf_table::bitmap, BITMAP_CLEAR, BITMAP_NONE, BITMAP_OPAQUE, gui_bitmap_table::create, guit, height, and width.

Referenced by nsico_create_ico_data().

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nsico_clone()

static nserror nsico_clone ( const struct content *  old, struct content **  newc  )

static

Definition at line 225 of file ico.c.

References nsico_content::base, content__clone(), content_destroy(), CONTENT_STATUS_DONE, CONTENT_STATUS_READY, NSERROR_CLONE_FAILED, NSERROR_NOMEM, NSERROR_OK, nsico_convert(), nsico_create_ico_data(), and content::status.

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nsico_content_type()

static content_type nsico_content_type ( void  )

static

Definition at line 281 of file ico.c.

References CONTENT_IMAGE.

nsico_convert()

static bool nsico_convert ( struct content *  c )

static

Definition at line 119 of file ico.c.

References content__get_source_data(), content__set_title(), content_broadcast_error(), content_set_done(), content_set_ready(), content_set_status(), content::height, nsico_content::ico, content::llcache, llcache_handle_get_url(), messages_get_buff(), NSERROR_ICO_ERROR, NSERROR_NOMEM, NSLOG, nsurl_access_leaf(), content::size, and content::width.

Referenced by nsico_clone().

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nsico_create()

static nserror nsico_create ( const content_handler *  handler, lwc_string *  imime_type, const struct http_parameter *  params, llcache_handle *  llcache, const char *  fallback_charset, bool  quirks, struct content **  c  )

static

Definition at line 87 of file ico.c.

References content__init(), llcache, NSERROR_NOMEM, NSERROR_OK, nsico_create_ico_data(), and result.

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nsico_create_ico_data()

static nserror nsico_create_ico_data ( nsico_content *  c )

static

Definition at line 69 of file ico.c.

References nsico_content::base, netsurf_table::bitmap, content_broadcast_error(), gui_bitmap_table::destroy, gui_bitmap_table::get_buffer, guit, nsico_content::ico, NSERROR_NOMEM, NSERROR_OK, and nsico_bitmap_create().

Referenced by nsico_clone(), and nsico_create().

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nsico_destroy()

static void nsico_destroy ( struct content *  c )

static

Definition at line 217 of file ico.c.

References nsico_content::ico.

nsico_get_internal()

static void * nsico_get_internal ( const struct content *  c, void *  context  )

static

Definition at line 260 of file ico.c.

References nsico_content::ico, nsico__decode(), and NSLOG.

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nsico_is_opaque()

static bool nsico_is_opaque ( struct content *  c )

static

Todo:

Pick best size for purpose. Currently assumes it's for a URL bar.

Definition at line 286 of file ico.c.

References netsurf_table::bitmap, gui_bitmap_table::get_opaque, guit, nsico_content::ico, nsico__decode(), and NSLOG.

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nsico_redraw()

static bool nsico_redraw ( struct content *  c, struct content_redraw_data *  data, const struct rect *  clip, const struct redraw_context *  ctx  )

static

Definition at line 194 of file ico.c.

References clip(), content_redraw_data::height, nsico_content::ico, image_bitmap_plot(), nsico__decode(), NSLOG, and content_redraw_data::width.

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Variable Documentation

nsico_content_handler

const content_handler nsico_content_handler

static

Initial value:

= {
        .create = nsico_create,
        .data_complete = nsico_convert,
        .destroy = nsico_destroy,
        .redraw = nsico_redraw,
        .clone = nsico_clone,
        .get_internal = nsico_get_internal,
        .type = nsico_content_type,
        .is_opaque = nsico_is_opaque,
        .no_share = false,
}

Definition at line 309 of file ico.c.

nsico_types

const char* nsico_types[]

static

Initial value:

= {
        "application/ico",
        "application/x-ico",
        "image/ico",
        "image/vnd.microsoft.icon",
        "image/x-icon"
}

Definition at line 321 of file ico.c.