static JSObject *
reflect_anchor_array(MochaDecoder *decoder, JSClass *clasp,
JSNative constructor, JSObject *document)
{
JSContext *cx;
JSObject *obj, *prototype;
JSObjectArray *array;
JSDocument *doc;
cx = decoder->js_context;
doc = JS_GetPrivate(cx, document);
if (!doc)
return NULL;
prototype = JS_InitClass(cx, decoder->window_object, NULL,
clasp, constructor, 0,
anchor_array_props, NULL, NULL, NULL);
if (!prototype)
return NULL;
array = JS_malloc(cx, sizeof *array);
if (!array)
return NULL;
XP_BZERO(array, sizeof *array);
obj = JS_NewObject(cx, clasp, prototype, document);
if (!obj || !JS_SetPrivate(cx, obj, array)) {
JS_free(cx, array);
return NULL;
}
array->decoder = HOLD_BACK_COUNT(decoder);
array->layer_id = doc->layer_id;
return obj;
}
JSObject*
lm_DefineComponents(MochaDecoder *decoder)
{
JSObject *obj;
JSComponentArray *array;
JSContext *cx = decoder->js_context;
JSPreDefComponent def_comps;
JSComponent *component;
jsint slot;
obj = decoder->components;
if (obj)
return obj;
array = JS_malloc(cx, sizeof(JSComponentArray));
if (!array)
return NULL;
XP_BZERO(array, sizeof *array);
obj = JS_NewObject(cx, &lm_component_array_class, NULL,
decoder->window_object);
if (!obj || !JS_SetPrivate(cx, obj, array)) {
JS_free(cx, array);
return NULL;
}
if (!JS_DefineProperties(cx, obj, componentarray_props))
return NULL;
array->decoder = HOLD_BACK_COUNT(decoder);
array->obj = obj;
/* Components can be added dynamically but some are predefined */
slot = 0;
array->length = 0;
def_comps = predef_components[slot];
while (def_comps.name) {
component = JS_malloc(cx, sizeof(JSComponent));
if (!component)
return NULL;
if (ET_moz_VerifyComponentFunction(def_comps.func, &(component->active_callback),
&(component->startup_callback))) {
componentarray_create_component(cx, array, component, def_comps.name, array->length);
}
else {
/*Component call failed somewhere.*/
JS_free(cx, component);
}
def_comps = predef_components[++slot];
}
return obj;
}
JSObject *
lm_DefineLocation(MochaDecoder *decoder)
{
JSObject *obj;
JSContext *cx;
JSURL *url;
obj = decoder->location;
if (obj)
return obj;
cx = decoder->js_context;
url = JS_malloc(cx, sizeof *url);
if (!url)
return NULL;
XP_BZERO(url, sizeof *url);
obj = JS_InitClass(cx, decoder->window_object, NULL, &lm_location_class,
Location, 0, url_props, loc_methods, NULL, NULL);
if (!obj || !JS_SetPrivate(cx, obj, url)) {
JS_free(cx, url);
return NULL;
}
/* XXX common subroutine this and above with lm_NewURL */
if (!JS_AddNamedRoot(cx, &url->href, "loc.text"))
return NULL;
if (!JS_AddNamedRoot(cx, &url->target, "loc.target"))
return NULL;
if (!JS_AddNamedRoot(cx, &url->text, "loc.text"))
return NULL;
if (!JS_DefineProperty(cx, decoder->window_object, lm_location_str,
OBJECT_TO_JSVAL(obj), NULL, NULL,
JSPROP_ENUMERATE | JSPROP_READONLY)) {
return NULL;
}
if (!JS_DefineProperty(cx, decoder->document, lm_location_str,
OBJECT_TO_JSVAL(obj), NULL, NULL,
JSPROP_ENUMERATE | JSPROP_READONLY)) {
return NULL;
}
/* Define the Location object (the current URL). */
url->url_decoder = HOLD_BACK_COUNT(decoder);
url->url_type = FORM_TYPE_NONE;
url->url_object = obj;
url->index = URL_NOT_INDEXED;
decoder->location = obj;
return obj;
}
lm_Event(JSContext *cx, JSObject *obj, uint argc, jsval *argv, jsval *rval)
{
JSEvent *pEvent;
if (!JS_InstanceOf(cx, obj, &lm_event_class, argv))
return JS_FALSE;
pEvent = JS_malloc(cx, sizeof(JSEvent));
if (!pEvent)
return JS_FALSE;
XP_BZERO(pEvent, sizeof(JSEvent));
/* Need to decide what arguments can be used */
if (!InitEventObject(cx, obj, pEvent))
return JS_FALSE;
*rval = OBJECT_TO_JSVAL(obj);
return JS_TRUE;
}
//-----------------------------------------------------------------------------
// NetStream
//-----------------------------------------------------------------------------
CStreamOutNet::CStreamOutNet( MWContext* pContext )
{
URL_Struct * URL_s;
Chrome chrome;
XP_BZERO( &chrome, sizeof( Chrome ) );
chrome.allow_close = TRUE;
chrome.allow_resize = TRUE;
chrome.show_scrollbar = TRUE;
#ifndef XP_WIN
// NOTE: need to verify this change on XP_WIN and remove the
// ifndef... [ works on XP_UNIX & XP_MAC ]
//
chrome.type = MWContextDialog;
#endif
//
// LTNOTE: Ownership of the 'chrome' struct isn't documented in the interface.
// The windows implementation doesn't appear to keep pointers to the struct.
//
MWContext *pNewContext = FE_MakeNewWindow(pContext, NULL, "view-source",
&chrome );
pNewContext->edit_view_source_hack = TRUE;
URL_s = NET_CreateURLStruct(XP_GetString(EDT_VIEW_SOURCE_WINDOW_TITLE), NET_DONT_RELOAD);
URL_s->content_type = XP_STRDUP(TEXT_PLAIN);
m_pStream = NET_StreamBuilder(FO_PRESENT, URL_s, pNewContext);
if(!m_pStream){
XP_ASSERT( FALSE );
m_status = EOS_FileError;
}
m_status = EOS_NoError;
}
JSURL *
lm_NewURL(JSContext *cx, MochaDecoder *decoder, LO_AnchorData *anchor_data,
JSObject *document)
{
JSObject *obj;
JSURL *url;
JSString *str;
if (!decoder->url_prototype) {
obj = JS_InitClass(cx, decoder->window_object,
decoder->event_receiver_prototype, &lm_url_class,
Url, 0, url_props, NULL, NULL, NULL);
if (!obj)
return NULL;
decoder->url_prototype = obj;
}
url = JS_malloc(cx, sizeof *url);
if (!url)
return NULL;
XP_BZERO(url, sizeof *url);
obj = JS_NewObject(cx, &lm_url_class, decoder->url_prototype,
lm_GetOuterObject(decoder));
if (!obj || !JS_SetPrivate(cx, obj, url)) {
JS_free(cx, url);
return NULL;
}
if (!JS_DefineFunctions(cx, obj, url_methods))
return NULL;
url->url_decoder = HOLD_BACK_COUNT(decoder);
url->url_type = FORM_TYPE_NONE;
url->index = URL_NOT_INDEXED;
url->url_object = obj;
str = JS_NewStringCopyZ(cx, (char *) anchor_data->anchor);
if (!str)
return NULL;
url->href = str;
if (!JS_AddNamedRoot(cx, &url->href, "url.href"))
return NULL;
if (anchor_data->target) {
str = JS_NewStringCopyZ(cx, (char *) anchor_data->target);
if (!str)
return NULL;
url->target = str;
}
if (!JS_AddNamedRoot(cx, &url->target, "url.target"))
return NULL;
if (anchor_data->element && anchor_data->element->type == LO_TEXT) {
str = lm_LocalEncodingToStr(decoder->window_context,
(char *) anchor_data->element->lo_text.text);
if (!str)
return NULL;
url->text = str;
}
if (!JS_AddNamedRoot(cx, &url->text, "url.text"))
return NULL;
return url;
}
JSObject *
LM_ReflectNamedAnchor(MWContext *context, lo_NameList *name_rec,
PA_Tag * tag, int32 layer_id, uint index)
{
JSObject *obj, *array_obj, *document;
MochaDecoder *decoder;
JSContext *cx;
JSObjectArray *array;
JSAnchor *named_anchor;
lo_TopState *top_state;
PRHashTable *map;
JSString *str;
obj = name_rec->mocha_object;
if (obj)
return obj;
decoder = LM_GetMochaDecoder(context);
if (!decoder)
return NULL;
cx = decoder->js_context;
top_state = lo_GetMochaTopState(context);
if (top_state->resize_reload) {
map = lm_GetIdToObjectMap(decoder);
if (map)
obj = (JSObject *)PR_HashTableLookup(map,
LM_GET_MAPPING_KEY(LM_NAMEDANCHORS,
layer_id, index));
if (obj) {
name_rec->mocha_object = obj;
LM_PutMochaDecoder(decoder);
return obj;
}
}
/* Get the document object that will hold this anchor */
document = lm_GetDocumentFromLayerId(decoder, layer_id);
if (!document) {
LM_PutMochaDecoder(decoder);
return NULL;
}
array_obj = lm_GetNameArray(decoder, document);
if (!array_obj) {
LM_PutMochaDecoder(decoder);
return NULL;
}
array = JS_GetPrivate(cx, array_obj);
if (!array) {
LM_PutMochaDecoder(decoder);
return NULL;
}
named_anchor = JS_malloc(cx, sizeof *named_anchor);
if (!named_anchor) {
LM_PutMochaDecoder(decoder);
return NULL;
}
XP_BZERO(named_anchor, sizeof *named_anchor);
obj = JS_NewObject(cx, &lm_anchor_class, decoder->anchor_prototype,
document);
if (!obj || !JS_SetPrivate(cx, obj, named_anchor)) {
JS_free(cx, named_anchor);
LM_PutMochaDecoder(decoder);
return NULL;
}
/* Put obj into the document.anchors array. */
JS_DefineProperty(cx, array_obj, (char *) name_rec->name,
OBJECT_TO_JSVAL(obj), NULL, NULL,
JSPROP_ENUMERATE|JSPROP_READONLY);
JS_AliasElement(cx, array_obj, (char *) name_rec->name, index);
/* Put it in the index to object hash table */
map = lm_GetIdToObjectMap(decoder);
if (map) {
PR_HashTableAdd(map,
LM_GET_MAPPING_KEY(LM_NAMEDANCHORS, layer_id, index),
obj);
}
if ((jsint) index >= array->length)
array->length = index + 1;
named_anchor->decoder = HOLD_BACK_COUNT(decoder);
named_anchor->layer_id = layer_id;
named_anchor->index = index;
if (name_rec->element && name_rec->element->type == LO_TEXT) {
str = lm_LocalEncodingToStr(context,
(char *) name_rec->element->lo_text.text);
if (!str || !JS_LockGCThing(cx, str)) {
LM_PutMochaDecoder(decoder);
return NULL;
}
named_anchor->text = str;
}
str = JS_NewStringCopyZ(cx, (char *) name_rec->name);
if (!str || !JS_LockGCThing(cx, str)) {
LM_PutMochaDecoder(decoder);
return NULL;
}
named_anchor->name = str;
name_rec->mocha_object = obj;
/* see if there are any attributes for event handlers */
if(tag) {
PA_Block onlocate, id;
/* don't hold the layout lock across compiles */
LO_UnlockLayout();
onlocate = lo_FetchParamValue(context, tag, PARAM_ONLOCATE);
id = lo_FetchParamValue(context, tag, PARAM_ID);
if (onlocate) {
(void) lm_CompileEventHandler(decoder, id, tag->data,
tag->newline_count, obj,
PARAM_ONLOCATE, onlocate);
PA_FREE(onlocate);
}
if (id)
PA_FREE(id);
LO_LockLayout();
}
LM_PutMochaDecoder(decoder);
return obj;
}
void
il_quantize_fs_dither(il_container *ic, const uint8 *mask,
const uint8 *input_buf, int x_offset,
uint8 XP_HUGE *output_buf, int width)
{
my_cquantize_ptr cquantize;
register LOCFSERROR r_cur, g_cur, b_cur; /* current error or pixel
value */
LOCFSERROR r_belowerr, g_belowerr, b_belowerr; /* error for pixel below
cur */
LOCFSERROR r_bpreverr, g_bpreverr, b_bpreverr; /* error for below/prev
col */
LOCFSERROR r_bnexterr, g_bnexterr, b_bnexterr; /* error for below/next
col */
LOCFSERROR delta;
FSERRPTR r_errorptr, g_errorptr, b_errorptr; /* fserrors[] at column
before current */
const JSAMPLE* input_ptr;
JSAMPLE XP_HUGE * output_ptr;
IL_ColorMap *cmap = &ic->image->header.color_space->cmap;
IL_RGB *map = cmap->map; /* The colormap array. */
IL_RGB *map_entry; /* Current entry in the colormap. */
uint8 *lookup_table = cmap->table; /* Lookup table for the colormap. */
const uint8 *maskp;
uint8 map_index;
int dir; /* 1 for left-to-right, -1 for right-to-left */
JDIMENSION col;
JSAMPLE *range_limit = the_sample_range_limit;
SHIFT_TEMPS
cquantize = (my_cquantize_ptr) ic->quantize;
output_buf += x_offset;
/* Initialize output values to 0 so can process components separately */
if (mask) {
output_ptr = output_buf;
maskp = mask;
for (col = width; col > 0; col--)
*output_ptr++ &= ~*maskp++;
} else {
XP_BZERO((void XP_HUGE *) output_buf,
(size_t) (width * SIZEOF(JSAMPLE)));
}
input_ptr = input_buf;
output_ptr = output_buf;
maskp = mask;
if (cquantize->on_odd_row) {
int total_offset;
/* work right to left in this row */
input_ptr += 3 * width - 1; /* so point to the blue sample of the
rightmost pixel */
output_ptr += width-1;
dir = -1;
/* => entry after last column */
total_offset = x_offset + (width + 1);
r_errorptr = cquantize->fserrors[0] + total_offset;
g_errorptr = cquantize->fserrors[1] + total_offset;
b_errorptr = cquantize->fserrors[2] + total_offset;
maskp += (width - 1);
}
else {
/* work left to right in this row */
dir = 1;
/* => entry before first column */
r_errorptr = cquantize->fserrors[0] + x_offset;
g_errorptr = cquantize->fserrors[1] + x_offset;
b_errorptr = cquantize->fserrors[2] + x_offset;
}
/* Preset error values: no error propagated to first pixel from left */
r_cur = g_cur = b_cur = 0;
/* and no error propagated to row below yet */
r_belowerr = g_belowerr = b_belowerr = 0;
r_bpreverr = g_bpreverr = b_bpreverr = 0;
for (col = width; col > 0; col--) {
/* cur holds the error propagated from the previous pixel on the
* current line. Add the error propagated from the previous line
* to form the complete error correction term for this pixel, and
* round the error term (which is expressed * 16) to an integer.
* RIGHT_SHIFT rounds towards minus infinity, so adding 8 is correct
* for either sign of the error value.
* Note: errorptr points to *previous* column's array entry.
*/
r_cur = RIGHT_SHIFT(r_cur + r_errorptr[dir] + 8, 4);
g_cur = RIGHT_SHIFT(g_cur + g_errorptr[dir] + 8, 4);
b_cur = RIGHT_SHIFT(b_cur + b_errorptr[dir] + 8, 4);
/* Form pixel value + error, and range-limit to 0..MAXJSAMPLE.
* The maximum error is +- MAXJSAMPLE; this sets the required size
* of the range_limit array.
*/
if (dir > 0) {
r_cur += GETJSAMPLE(*input_ptr);
r_cur = GETJSAMPLE(range_limit[r_cur]);
input_ptr++;
g_cur += GETJSAMPLE(*input_ptr);
g_cur = GETJSAMPLE(range_limit[g_cur]);
input_ptr++;
b_cur += GETJSAMPLE(*input_ptr);
b_cur = GETJSAMPLE(range_limit[b_cur]);
input_ptr++;
}
else {
b_cur += GETJSAMPLE(*input_ptr);
b_cur = GETJSAMPLE(range_limit[b_cur]);
input_ptr--;
g_cur += GETJSAMPLE(*input_ptr);
g_cur = GETJSAMPLE(range_limit[g_cur]);
input_ptr--;
r_cur += GETJSAMPLE(*input_ptr);
r_cur = GETJSAMPLE(range_limit[r_cur]);
input_ptr--;
}
/* Select output value, accumulate into output code for this pixel */
map_index = COLORMAP_INDEX(lookup_table, r_cur, g_cur, b_cur);
if (mask) {
if (*maskp)
*output_ptr = map_index;
maskp += dir;
} else {
*output_ptr = map_index;
}
/* Compute the actual representation error at this pixel */
map_entry = map + map_index;
r_cur -= GETJSAMPLE(map_entry->red);
g_cur -= GETJSAMPLE(map_entry->green);
b_cur -= GETJSAMPLE(map_entry->blue);
/* Compute error fractions to be propagated to adjacent pixels.
* Add these into the running sums, and simultaneously shift the
* next-line error sums left by 1 column.
*/
r_bnexterr = r_cur;
delta = r_cur * 2;
r_cur += delta; /* form error * 3 */
r_errorptr[0] = (FSERROR) (r_bpreverr + r_cur);
r_cur += delta; /* form error * 5 */
r_bpreverr = r_belowerr + r_cur;
r_belowerr = r_bnexterr;
r_cur += delta; /* form error * 7 */
g_bnexterr = g_cur;
delta = g_cur * 2;
g_cur += delta; /* form error * 3 */
g_errorptr[0] = (FSERROR) (g_bpreverr + g_cur);
g_cur += delta; /* form error * 5 */
g_bpreverr = g_belowerr + g_cur;
g_belowerr = g_bnexterr;
g_cur += delta; /* form error * 7 */
b_bnexterr = b_cur;
delta = b_cur * 2;
b_cur += delta; /* form error * 3 */
b_errorptr[0] = (FSERROR) (b_bpreverr + b_cur);
b_cur += delta; /* form error * 5 */
b_bpreverr = b_belowerr + b_cur;
b_belowerr = b_bnexterr;
b_cur += delta; /* form error * 7 */
/* At this point cur contains the 7/16 error value to be propagated
* to the next pixel on the current line, and all the errors for the
* next line have been shifted over. We are therefore ready to move on.
* Note: the input_ptr has already been advanced.
*/
output_ptr += dir; /* advance output ptr to next column */
r_errorptr += dir; /* advance errorptr to current column */
g_errorptr += dir; /* advance errorptr to current column */
b_errorptr += dir; /* advance errorptr to current column */
}
/* Post-loop cleanup: we must unload the final error value into the
* final fserrors[] entry. Note we need not unload belowerr because
* it is for the dummy column before or after the actual array.
*/
r_errorptr[0] = (FSERROR) r_bpreverr; /* unload prev err into array */
g_errorptr[0] = (FSERROR) g_bpreverr; /* unload prev err into array */
b_errorptr[0] = (FSERROR) b_bpreverr; /* unload prev err into array */
cquantize->on_odd_row = (cquantize->on_odd_row ? FALSE : TRUE);
}
