/**
* Handle notification that a CSS object is done
*
* \param css CSS object
* \param pw Private data
*/
void nscss_content_done(struct content_css_data *css, void *pw)
{
union content_msg_data msg_data;
struct content *c = pw;
uint32_t i;
size_t size;
css_error error;
/* Retrieve the size of this sheet */
error = css_stylesheet_size(css->sheet, &size);
if (error != CSS_OK) {
msg_data.error = "?";
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
content_set_error(c);
return;
}
c->size += size;
/* Add on the size of the imported sheets */
for (i = 0; i < css->import_count; i++) {
if (css->imports[i].c != NULL) {
struct content *import = hlcache_handle_get_content(
css->imports[i].c);
if (import != NULL) {
c->size += import->size;
}
}
}
/* Finally, catch the content's users up with reality */
content_set_ready(c);
content_set_done(c);
}
void content_convert(struct content *c)
{
assert(c);
assert(c->status == CONTENT_STATUS_LOADING ||
c->status == CONTENT_STATUS_ERROR);
if (c->status != CONTENT_STATUS_LOADING)
return;
if (c->locked == true)
return;
LOG("content "URL_FMT_SPC" (%p)", nsurl_access(llcache_handle_get_url(c->llcache)), c);
if (c->handler->data_complete != NULL) {
c->locked = true;
if (c->handler->data_complete(c) == false) {
content_set_error(c);
}
/* Conversion to the READY state will unlock the content */
} else {
content_set_ready(c);
content_set_done(c);
}
}
static bool javascript_convert(struct content *c)
{
content_set_ready(c);
content_set_done(c);
return true;
}
static bool nspng_convert(struct content *c)
{
nspng_content *png_c = (nspng_content *) c;
char *title;
assert(png_c->png != NULL);
assert(png_c->info != NULL);
/* clean up png structures */
png_destroy_read_struct(&png_c->png, &png_c->info, 0);
/* set title text */
title = messages_get_buff("PNGTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
if (png_c->bitmap != NULL) {
bitmap_set_opaque(png_c->bitmap, bitmap_test_opaque(png_c->bitmap));
bitmap_modified(png_c->bitmap);
}
image_cache_add(c, png_c->bitmap, png_cache_convert);
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
return true;
}
static bool nsico_convert(struct content *c)
{
nsico_content *ico = (nsico_content *) c;
struct bmp_image *bmp;
bmp_result res;
union content_msg_data msg_data;
const char *data;
unsigned long size;
char *title;
/* set the ico data */
data = content__get_source_data(c, &size);
/* analyse the ico */
res = ico_analyse(ico->ico, size, (unsigned char *) data);
switch (res) {
case BMP_OK:
break;
case BMP_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
case BMP_INSUFFICIENT_DATA:
case BMP_DATA_ERROR:
msg_data.error = messages_get("BadICO");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width, height and calculate size */
c->width = ico->ico->width;
c->height = ico->ico->height;
c->size += (ico->ico->width * ico->ico->height * 4) + 16 + 44;
/* set title text */
title = messages_get_buff("ICOTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
/* select largest icon to ensure one can be selected */
bmp = ico_find(ico->ico, 255, 255);
if (bmp == NULL) {
/* return error */
LOG("Failed to select icon");
return false;
}
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
/**
* Convert a CONTENT_JPEG for display.
*/
static bool nsjpeg_convert(struct content *c)
{
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
jmp_buf setjmp_buffer;
struct jpeg_source_mgr source_mgr = { 0, 0,
nsjpeg_init_source, nsjpeg_fill_input_buffer,
nsjpeg_skip_input_data, jpeg_resync_to_restart,
nsjpeg_term_source };
union content_msg_data msg_data;
const char *data;
unsigned long size;
char title[100];
/* check image header is valid and get width/height */
data = content__get_source_data(c, &size);
cinfo.err = jpeg_std_error(&jerr);
jerr.error_exit = nsjpeg_error_exit;
jerr.output_message = nsjpeg_error_log;
if (setjmp(setjmp_buffer)) {
jpeg_destroy_decompress(&cinfo);
msg_data.error = nsjpeg_error_buffer;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
jpeg_create_decompress(&cinfo);
cinfo.client_data = &setjmp_buffer;
source_mgr.next_input_byte = (unsigned char *) data;
source_mgr.bytes_in_buffer = size;
cinfo.src = &source_mgr;
jpeg_read_header(&cinfo, TRUE);
cinfo.out_color_space = JCS_RGB;
cinfo.dct_method = JDCT_ISLOW;
jpeg_calc_output_dimensions(&cinfo);
c->width = cinfo.output_width;
c->height = cinfo.output_height;
c->size = c->width * c->height * 4;
jpeg_destroy_decompress(&cinfo);
image_cache_add(c, NULL, jpeg_cache_convert);
snprintf(title, sizeof(title), messages_get("JPEGTitle"),
c->width, c->height, size);
content__set_title(c, title);
content_set_ready(c);
content_set_done(c);
content_set_status(c, ""); /* Done: update status bar */
return true;
}
bool amiga_dt_picture_convert(struct content *c)
{
LOG(("amiga_dt_picture_convert"));
union content_msg_data msg_data;
int width, height;
char title[100];
const uint8 *data;
UBYTE *bm_buffer;
ULONG size;
Object *dto;
struct BitMapHeader *bmh;
unsigned int bm_flags = BITMAP_NEW;
int bm_format = PBPAFMT_RGBA;
/* This is only relevant for picture datatypes... */
data = (uint8 *)content__get_source_data(c, &size);
if(dto = NewDTObject(NULL,
DTA_SourceType, DTST_MEMORY,
DTA_SourceAddress, data,
DTA_SourceSize, size,
DTA_GroupID, GID_PICTURE,
PDTA_DestMode, PMODE_V43,
TAG_DONE))
{
if(GetDTAttrs(dto, PDTA_BitMapHeader, &bmh, TAG_DONE))
{
width = (int)bmh->bmh_Width;
height = (int)bmh->bmh_Height;
}
else return false;
DisposeDTObject(dto);
}
else return false;
c->width = width;
c->height = height;
c->size = width * height * 4;
image_cache_add(c, NULL, amiga_dt_picture_cache_convert);
/*
snprintf(title, sizeof(title), "image (%lux%lu, %lu bytes)",
width, height, size);
content__set_title(c, title);
*/
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
return true;
}
static bool nsbmp_convert(struct content *c)
{
nsbmp_content *bmp = (nsbmp_content *) c;
bmp_result res;
union content_msg_data msg_data;
uint32_t swidth;
const char *data;
unsigned long size;
char *title;
/* set the bmp data */
data = content__get_source_data(c, &size);
/* analyse the BMP */
res = bmp_analyse(bmp->bmp, size, (unsigned char *) data);
switch (res) {
case BMP_OK:
break;
case BMP_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
case BMP_INSUFFICIENT_DATA:
case BMP_DATA_ERROR:
msg_data.error = messages_get("BadBMP");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width and description */
c->width = bmp->bmp->width;
c->height = bmp->bmp->height;
swidth = bmp->bmp->bitmap_callbacks.bitmap_get_bpp(bmp->bmp->bitmap) *
bmp->bmp->width;
c->size += (swidth * bmp->bmp->height) + 16 + 44;
/* set title text */
title = messages_get_buff("BMPTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
/* exit as a success */
bmp->bitmap = bmp->bmp->bitmap;
guit->bitmap->modified(bmp->bitmap);
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
static bool svg_convert(struct content *c)
{
/*c->title = malloc(100);
if (c->title)
snprintf(c->title, 100, messages_get("svgTitle"),
width, height, c->source_size);*/
//c->size += ?;
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
bool amiga_dt_picture_convert(struct content *c)
{
LOG(("amiga_dt_picture_convert"));
union content_msg_data msg_data;
int width, height;
char *title;
UBYTE *bm_buffer;
Object *dto;
struct BitMapHeader *bmh;
unsigned int bm_flags = BITMAP_NEW;
int bm_format = PBPAFMT_RGBA;
char *filetype;
if(dto = amiga_dt_picture_newdtobject((struct amiga_dt_picture_content *)c))
{
if(GetDTAttrs(dto, PDTA_BitMapHeader, &bmh, TAG_DONE))
{
width = (int)bmh->bmh_Width;
height = (int)bmh->bmh_Height;
}
else return false;
}
else return false;
c->width = width;
c->height = height;
c->size = width * height * 4;
/* set title text */
if(filetype = amiga_dt_picture_datatype(c)) {
title = messages_get_buff("DataTypesTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
filetype, c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
free(filetype);
}
image_cache_add(c, NULL, amiga_dt_picture_cache_convert);
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
return true;
}
bool amiga_dt_picture_convert(struct content *c)
{
NSLOG(netsurf, INFO, "amiga_dt_picture_convert");
int width, height;
char *title;
Object *dto;
struct BitMapHeader *bmh;
char *filetype;
if((dto = amiga_dt_picture_newdtobject((struct amiga_dt_picture_content *)c))) {
if(GetDTAttrs(dto, PDTA_BitMapHeader, &bmh, TAG_DONE)) {
width = (int)bmh->bmh_Width;
height = (int)bmh->bmh_Height;
}
else return false;
}
else return false;
c->width = width;
c->height = height;
c->size = width * height * 4;
/* set title text */
if((filetype = amiga_dt_picture_datatype(c))) {
title = messages_get_buff("DataTypesTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
filetype, c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
free(filetype);
}
image_cache_add(c, NULL, amiga_dt_picture_cache_convert);
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
return true;
}
static bool rsvg_convert(struct content *c)
{
rsvg_content *d = (rsvg_content *) c;
union content_msg_data msg_data;
RsvgDimensionData rsvgsize;
GError *err = NULL;
if (rsvg_handle_close(d->rsvgh, &err) == FALSE) {
LOG(("rsvg_handle_close returned an error: %s", err->message));
msg_data.error = err->message;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
assert(err == NULL);
/* we should now be able to query librsvg for the natural size of the
* graphic, so we can create our bitmap.
*/
rsvg_handle_get_dimensions(d->rsvgh, &rsvgsize);
c->width = rsvgsize.width;
c->height = rsvgsize.height;
if ((d->bitmap = bitmap_create(c->width, c->height,
BITMAP_NEW)) == NULL) {
LOG(("Failed to create bitmap for rsvg render."));
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
if ((d->cs = cairo_image_surface_create_for_data(
(unsigned char *)bitmap_get_buffer(d->bitmap),
CAIRO_FORMAT_ARGB32,
c->width, c->height,
bitmap_get_rowstride(d->bitmap))) == NULL) {
LOG(("Failed to create Cairo image surface for rsvg render."));
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
if ((d->ct = cairo_create(d->cs)) == NULL) {
LOG(("Failed to create Cairo drawing context for rsvg render."));
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
rsvg_handle_render_cairo(d->rsvgh, d->ct);
rsvg_argb_to_abgr(bitmap_get_buffer(d->bitmap),
c->width, c->height,
bitmap_get_rowstride(d->bitmap));
bitmap_modified(d->bitmap);
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
static bool nssprite_convert(struct content *c)
{
nssprite_content *nssprite = (nssprite_content *) c;
union content_msg_data msg_data;
struct rosprite_mem_context* ctx;
const char *data;
unsigned long size;
char *title;
data = content__get_source_data(c, &size);
ERRCHK(rosprite_create_mem_context((uint8_t *) data, size, &ctx));
struct rosprite_area* sprite_area;
ERRCHK(rosprite_load(rosprite_mem_reader, ctx, &sprite_area));
rosprite_destroy_mem_context(ctx);
nssprite->sprite_area = sprite_area;
assert(sprite_area->sprite_count > 0);
struct rosprite* sprite = sprite_area->sprites[0];
nssprite->bitmap = guit->bitmap->create(sprite->width, sprite->height, BITMAP_NEW);
if (!nssprite->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
uint32_t* imagebuf = (uint32_t *)guit->bitmap->get_buffer(nssprite->bitmap);
if (!imagebuf) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
unsigned char *spritebuf = (unsigned char *)sprite->image;
/* reverse byte order of each word */
for (uint32_t y = 0; y < sprite->height; y++) {
for (uint32_t x = 0; x < sprite->width; x++) {
int offset = 4 * (y * sprite->width + x);
*imagebuf = (spritebuf[offset] << 24) |
(spritebuf[offset + 1] << 16) |
(spritebuf[offset + 2] << 8) |
(spritebuf[offset + 3]);
imagebuf++;
}
}
c->width = sprite->width;
c->height = sprite->height;
/* set title text */
title = messages_get_buff("SpriteTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
guit->bitmap->modified(nssprite->bitmap);
content_set_ready(c);
content_set_done(c);
content_set_status(c, ""); /* Done: update status bar */
return true;
}
bool amiga_icon_convert(struct content *c)
{
amiga_icon_content *icon_c = (amiga_icon_content *)c;
union content_msg_data msg_data;
struct DiskObject *dobj;
ULONG *imagebuf;
unsigned char *imagebufptr = NULL;
ULONG size;
int width = 0, height = 0;
long format = 0;
int err = 0;
uint8 r, g, b, a;
ULONG offset;
const char *url;
char *filename;
char *p;
ULONG trans, pals1;
struct ColorRegister *pal1;
url = nsurl_access(content_get_url(c));
filename = url_to_path(url);
/* This loader will only work on local files, so fail if not a local path */
if(filename == NULL)
{
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
p = strstr(filename, ".info");
*p = '\0';
dobj = GetIconTagList(filename, NULL);
if(dobj == NULL)
{
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
err = IconControl(dobj,
ICONCTRLA_GetImageDataFormat,&format,
ICONCTRLA_GetWidth,&width,
ICONCTRLA_GetHeight,&height,
TAG_DONE);
/* Check icon is direct mapped (truecolour) or palette-mapped colour.
We need additional code to handle planar icons */
if((format != IDFMT_DIRECTMAPPED) && (format==IDFMT_PALETTEMAPPED)) {
if(dobj) FreeDiskObject(dobj);
return false;
}
icon_c->bitmap = bitmap_create(width, height, BITMAP_NEW);
if (!icon_c->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
if(dobj) FreeDiskObject(dobj);
return false;
}
imagebuf = (ULONG *) bitmap_get_buffer(icon_c->bitmap);
if (!imagebuf) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
if(dobj) FreeDiskObject(dobj);
return false;
}
err = IconControl(dobj,
ICONCTRLA_GetImageData1, &imagebufptr,
TAG_DONE);
if(format==IDFMT_PALETTEMAPPED)
{
IconControl(dobj, ICONCTRLA_GetTransparentColor1, &trans,
ICONCTRLA_GetPalette1, &pal1,
ICONCTRLA_GetPaletteSize1, &pals1,
TAG_DONE);
imagebufptr = (unsigned char *) amiga_icon_convertcolouricon32((UBYTE *)imagebufptr,
width, height, trans, pals1, pal1, 0xff);
}
/* Decoded data is ARGB, so ensure correct byte order */
size = width * height * 4;
for (offset = 0; offset < size; offset += 4) {
b = imagebufptr[offset+3];
g = imagebufptr[offset+2];
r = imagebufptr[offset+1];
a = imagebufptr[offset];
*imagebuf = r << 24 | g << 16 | b << 8 | a;
imagebuf++;
}
c->width = width;
c->height = height;
bitmap_modified(icon_c->bitmap);
content_set_ready(c);
content_set_done(c);
content_set_status(c, "");
if(dobj) FreeDiskObject(dobj);
if(format==IDFMT_PALETTEMAPPED)
FreeVec(imagebufptr);
return true;
}
bool artworks_convert(struct content *c)
{
artworks_content *aw = (artworks_content *) c;
union content_msg_data msg_data;
const char *source_data;
unsigned long source_size;
void *init_workspace;
void *init_routine;
os_error *error;
int used = -1; /* slightly better with older OSLib versions */
char *title;
/* check whether AWViewer has been seen and we can therefore
locate the ArtWorks rendering modules */
xos_read_var_val_size("Alias$LoadArtWorksModules", 0, os_VARTYPE_STRING,
&used, NULL, NULL);
if (used >= 0) {
LOG("Alias$LoadArtWorksModules not defined");
msg_data.error = messages_get("AWNotSeen");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* load the modules, or do nothing if they're already loaded */
error = xos_cli("LoadArtWorksModules");
if (error) {
LOG("xos_cli: 0x%x: %s", error->errnum, error->errmess);
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* lookup the addresses of the init and render routines */
error = (os_error*)_swix(AWRender_FileInitAddress, _OUT(0) | _OUT(1),
&init_routine, &init_workspace);
if (error) {
LOG("AWRender_FileInitAddress: 0x%x: %s", error->errnum, error->errmess);
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
error = (os_error*)_swix(AWRender_RenderAddress, _OUT(0) | _OUT(1),
&aw->render_routine,
&aw->render_workspace);
if (error) {
LOG("AWRender_RenderAddress: 0x%x: %s", error->errnum, error->errmess);
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
source_data = content__get_source_data(c, &source_size);
/* initialise (convert file to new format if required) */
error = awrender_init(&source_data, &source_size,
init_routine, init_workspace);
if (error) {
LOG("awrender_init: 0x%x : %s", error->errnum, error->errmess);
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
error = (os_error*)_swix(AWRender_DocBounds,
_IN(0) | _OUT(2) | _OUT(3) | _OUT(4) | _OUT(5),
source_data,
&aw->x0,
&aw->y0,
&aw->x1,
&aw->y1);
if (error) {
LOG("AWRender_DocBounds: 0x%x: %s", error->errnum, error->errmess);
msg_data.error = error->errmess;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
LOG("bounding box: %d,%d,%d,%d", aw->x0, aw->y0, aw->x1, aw->y1);
/* create the resizable workspace required by the
ArtWorksRenderer rendering routine */
aw->size = INITIAL_BLOCK_SIZE;
aw->block = malloc(INITIAL_BLOCK_SIZE);
if (!aw->block) {
LOG("failed to create block for ArtworksRenderer");
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
c->width = (aw->x1 - aw->x0) / 512;
c->height = (aw->y1 - aw->y0) / 512;
title = messages_get_buff("ArtWorksTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
static bool rsvg_convert(struct content *c)
{
rsvg_content *d = (rsvg_content *) c;
RsvgDimensionData rsvgsize;
GError *err = NULL;
if (rsvg_handle_close(d->rsvgh, &err) == FALSE) {
NSLOG(netsurf, INFO,
"rsvg_handle_close returned an error: %s", err->message);
content_broadcast_errorcode(c, NSERROR_SVG_ERROR);
return false;
}
assert(err == NULL);
/* we should now be able to query librsvg for the natural size of the
* graphic, so we can create our bitmap.
*/
rsvg_handle_get_dimensions(d->rsvgh, &rsvgsize);
c->width = rsvgsize.width;
c->height = rsvgsize.height;
if ((d->bitmap = guit->bitmap->create(c->width, c->height,
BITMAP_NEW)) == NULL) {
NSLOG(netsurf, INFO,
"Failed to create bitmap for rsvg render.");
content_broadcast_errorcode(c, NSERROR_NOMEM);
return false;
}
if ((d->cs = cairo_image_surface_create_for_data(
(unsigned char *)guit->bitmap->get_buffer(d->bitmap),
CAIRO_FORMAT_ARGB32,
c->width, c->height,
guit->bitmap->get_rowstride(d->bitmap))) == NULL) {
NSLOG(netsurf, INFO,
"Failed to create Cairo image surface for rsvg render.");
content_broadcast_errorcode(c, NSERROR_NOMEM);
return false;
}
if ((d->ct = cairo_create(d->cs)) == NULL) {
NSLOG(netsurf, INFO,
"Failed to create Cairo drawing context for rsvg render.");
content_broadcast_errorcode(c, NSERROR_NOMEM);
return false;
}
rsvg_handle_render_cairo(d->rsvgh, d->ct);
rsvg_argb_to_abgr(guit->bitmap->get_buffer(d->bitmap),
c->width, c->height,
guit->bitmap->get_rowstride(d->bitmap));
guit->bitmap->modified(d->bitmap);
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}
static bool nsgif_convert(struct content *c)
{
nsgif_content *gif = (nsgif_content *) c;
int res;
union content_msg_data msg_data;
const char *data;
unsigned long size;
char *title;
/* Get the animation */
data = content__get_source_data(c, &size);
/* Initialise the GIF */
do {
res = gif_initialise(gif->gif, size, (unsigned char *) data);
if (res != GIF_OK && res != GIF_WORKING &&
res != GIF_INSUFFICIENT_FRAME_DATA) {
switch (res) {
case GIF_FRAME_DATA_ERROR:
case GIF_INSUFFICIENT_DATA:
case GIF_DATA_ERROR:
msg_data.error = messages_get("BadGIF");
break;
case GIF_INSUFFICIENT_MEMORY:
msg_data.error = messages_get("NoMemory");
break;
}
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
} while (res != GIF_OK && res != GIF_INSUFFICIENT_FRAME_DATA);
/* Abort on bad GIFs */
if ((gif->gif->frame_count_partial == 0) || (gif->gif->width == 0) ||
(gif->gif->height == 0)) {
msg_data.error = messages_get("BadGIF");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* Store our content width, height and calculate size */
c->width = gif->gif->width;
c->height = gif->gif->height;
c->size += (gif->gif->width * gif->gif->height * 4) + 16 + 44;
/* set title text */
title = messages_get_buff("GIFTitle",
nsurl_access_leaf(llcache_handle_get_url(c->llcache)),
c->width, c->height);
if (title != NULL) {
content__set_title(c, title);
free(title);
}
/* Schedule the animation if we have one */
gif->current_frame = 0;
if (gif->gif->frame_count_partial > 1)
guit->browser->schedule(gif->gif->frames[0].frame_delay * 10,
nsgif_animate,
c);
/* Exit as a success */
content_set_ready(c);
content_set_done(c);
/* Done: update status bar */
content_set_status(c, "");
return true;
}