bmp.c File Reference

implementation of content handler for BMP images. More...

#include <stdbool.h>
#include <stdlib.h>
#include <libnsbmp.h>
#include "utils/utils.h"
#include "utils/messages.h"
#include "netsurf/plotters.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/bmp.h"

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Data Structures
struct	nsbmp_content
	bmp context. More...

Typedefs
typedef struct nsbmp_content	nsbmp_content
	bmp context. More...

Functions
static void *	nsbmp_bitmap_create (int width, int height, unsigned int bmp_state)
	Callback for libnsbmp; forwards the call to bitmap_create() More...
static nserror	nsbmp_create_bmp_data (nsbmp_content *bmp)
static nserror	nsbmp_create (const struct 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	nsbmp_convert (struct content *c)
static bool	nsbmp_redraw (struct content *c, struct content_redraw_data *data, const struct rect *clip, const struct redraw_context *ctx)
static void	nsbmp_destroy (struct content *c)
static nserror	nsbmp_clone (const struct content *old, struct content **newc)
static void *	nsbmp_get_internal (const struct content *c, void *context)
static content_type	nsbmp_content_type (void)
static bool	nsbmp_content_is_opaque (struct content *c)
	CONTENT_FACTORY_REGISTER_TYPES (nsbmp, nsbmp_types, nsbmp_content_handler)

Variables
static const content_handler	nsbmp_content_handler
static const char *	nsbmp_types []

Detailed Description

implementation of content handler for BMP images.

Definition in file bmp.c.

Typedef Documentation

nsbmp_content

typedef struct nsbmp_content nsbmp_content

bmp context.

Function Documentation

CONTENT_FACTORY_REGISTER_TYPES()

CONTENT_FACTORY_REGISTER_TYPES	(	nsbmp	,
		nsbmp_types	,
		nsbmp_content_handler
	)

nsbmp_bitmap_create()

static void * nsbmp_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 59 of file bmp.c.

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

Referenced by nsbmp_create_bmp_data().

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nsbmp_clone()

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

static

Definition at line 222 of file bmp.c.

References nsbmp_content::base, content__clone(), content_destroy(), CONTENT_STATUS_DONE, CONTENT_STATUS_READY, nsbmp_convert(), nsbmp_create_bmp_data(), NSERROR_CLONE_FAILED, NSERROR_NOMEM, NSERROR_OK, and content::status.

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nsbmp_content_is_opaque()

static bool nsbmp_content_is_opaque ( struct content *  c )

static

Definition at line 269 of file bmp.c.

References nsbmp_content::bitmap, netsurf_table::bitmap, gui_bitmap_table::get_opaque, and guit.

nsbmp_content_type()

static content_type nsbmp_content_type ( void  )

static

Definition at line 264 of file bmp.c.

References CONTENT_IMAGE.

nsbmp_convert()

static bool nsbmp_convert ( struct content *  c )

static

Definition at line 125 of file bmp.c.

References nsbmp_content::bitmap, nsbmp_content::bmp, content__get_source_data(), content__set_title(), content_broadcast_error(), content_set_done(), content_set_ready(), content_set_status(), content::height, content::llcache, llcache_handle_get_url(), messages_get_buff(), NSERROR_BMP_ERROR, NSERROR_NOMEM, nsurl_access_leaf(), content::size, content::title, and content::width.

Referenced by nsbmp_clone().

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nsbmp_create()

static nserror nsbmp_create ( const struct 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 92 of file bmp.c.

References nsbmp_content::base, content__init(), llcache, nsbmp_create_bmp_data(), NSERROR_NOMEM, and NSERROR_OK.

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nsbmp_create_bmp_data()

static nserror nsbmp_create_bmp_data ( nsbmp_content *  bmp )

static

Definition at line 72 of file bmp.c.

References nsbmp_content::base, netsurf_table::bitmap, nsbmp_content::bmp, content_broadcast_error(), gui_bitmap_table::destroy, gui_bitmap_table::get_buffer, guit, nsbmp_bitmap_create(), NSERROR_NOMEM, and NSERROR_OK.

Referenced by nsbmp_clone(), and nsbmp_create().

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nsbmp_destroy()

static void nsbmp_destroy ( struct content *  c )

static

Definition at line 213 of file bmp.c.

References nsbmp_content::bmp.

nsbmp_get_internal()

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

static

Definition at line 257 of file bmp.c.

References nsbmp_content::bitmap.

nsbmp_redraw()

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

static

Definition at line 177 of file bmp.c.

References content_redraw_data::background_colour, nsbmp_content::bitmap, netsurf_table::bitmap, plotter_table::bitmap, bitmap_format_to_client(), BITMAPF_NONE, BITMAPF_REPEAT_X, BITMAPF_REPEAT_Y, nsbmp_content::bmp, guit, content_redraw_data::height, gui_bitmap_table::modified, NSERROR_OK, redraw_context::plot, content_redraw_data::repeat_x, content_redraw_data::repeat_y, content_redraw_data::width, content_redraw_data::x, and content_redraw_data::y.

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Variable Documentation

nsbmp_content_handler

const content_handler nsbmp_content_handler

static

Initial value:

= {
        .create = nsbmp_create,
        .data_complete = nsbmp_convert,
        .destroy = nsbmp_destroy,
        .redraw = nsbmp_redraw,
        .clone = nsbmp_clone,
        .get_internal = nsbmp_get_internal,
        .type = nsbmp_content_type,
        .is_opaque = nsbmp_content_is_opaque,
        .no_share = false,
}

Definition at line 280 of file bmp.c.

nsbmp_types

const char* nsbmp_types[]

static

Initial value:

= {
        "application/bmp",
        "application/preview",
        "application/x-bmp",
        "application/x-win-bitmap",
        "image/bmp",
        "image/ms-bmp",
        "image/x-bitmap",
        "image/x-bmp",
        "image/x-ms-bmp",
        "image/x-win-bitmap",
        "image/x-windows-bmp",
        "image/x-xbitmap"
}

Definition at line 292 of file bmp.c.