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First stage of improving the DjVu status info.

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Conflicts:

	djvureader.lua
This commit is contained in:
Tigran Aivazian
2012-10-04 21:08:39 +01:00
committed by Qingping Hou
parent 9e786e0eed
commit e3d02cd578
1 changed files with 16 additions and 4 deletions
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20
djvu.c
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@@ -199,11 +199,10 @@ static int openPage(lua_State *L) {
/* djvulibre counts page starts from 0 */
page->page_ref = ddjvu_page_create_by_pageno(doc->doc_ref, pageno - 1);
if (! page->page_ref)
return luaL_error(L, "cannot open page #%d", pageno);
while (! ddjvu_page_decoding_done(page->page_ref))
handle(L, doc->context, TRUE);
if (! page->page_ref) {
return luaL_error(L, "cannot open page #%d", pageno);
}
page->doc = doc;
page->num = pageno;
@@ -255,8 +254,20 @@ static int getOriginalPageSize(lua_State *L) {
lua_pushnumber(L, info.width);
lua_pushnumber(L, info.height);
lua_pushnumber(L, info.dpi);
return 2;
return 3;
}
static int getPageInfo(lua_State *L) {
DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
int pageno = luaL_checkint(L, 2);
ddjvu_page_t *djvu_page;
djvu_page = ddjvu_page_create_by_pageno(doc->doc_ref, pageno - 1);
if (!djvu_page)
return luaL_error(L, "cannot create djvu_page #%d", pageno);
while (! ddjvu_page_decoding_done(djvu_page))
handle(L, doc->context, TRUE);
}
/*
@@ -535,6 +546,7 @@ static const struct luaL_Reg djvudocument_meth[] = {
{"getToc", getTableOfContent},
{"getPageText", getPageText},
{"getOriginalPageSize", getOriginalPageSize},
{"getPageInfo", getPageInfo},
{"close", closeDocument},
{"getCacheSize", getCacheSize},
{"cleanCache", cleanCache},