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cre.cpp
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cre.cpp
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/*
KindlePDFViewer: CREngine abstraction for Lua
Copyright (C) 2012 Hans-Werner Hilse <hilse@web.de>
Qingping Hou <qingping.hou@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DEBUG_CRENGINE
#define DEBUG_CRENGINE 0
#endif
extern "C" {
#include "blitbuffer.h"
#include "drawcontext.h"
#include "cre.h"
}
#include "crengine.h"
static void replaceColor( char * str, lUInt32 color ) {
// in line like "0 c #80000000",
// replace value of color
for ( int i=0; i<8; i++ ) {
str[i+5] = toHexDigit((color>>28) & 0xF);
color <<= 4;
}
}
/// set list of battery icons to display battery state
static LVRefVec<LVImageSource> getBatteryIcons(lUInt32 color) {
CRLog::debug("Making list of Battery icon bitmats");
lUInt32 cl1 = 0x00000000|(color&0xFFFFFF);
lUInt32 cl2 = 0x40000000|(color&0xFFFFFF);
lUInt32 cl3 = 0x80000000|(color&0xFFFFFF);
lUInt32 cl4 = 0xF0000000|(color&0xFFFFFF);
static char color1[] = "0 c #80000000";
static char color2[] = "X c #80000000";
static char color3[] = "o c #80AAAAAA";
static char color4[] = ". c #80FFFFFF";
#define BATTERY_HEADER \
"28 15 5 1", \
color1, \
color2, \
color3, \
color4, \
" c None",
static const char * battery8[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0.XXXX.XXXX.XXXX.XXXX.0.",
".0000.XXXX.XXXX.XXXX.XXXX.0.",
".0..0.XXXX.XXXX.XXXX.XXXX.0.",
".0..0.XXXX.XXXX.XXXX.XXXX.0.",
".0..0.XXXX.XXXX.XXXX.XXXX.0.",
".0..0.XXXX.XXXX.XXXX.XXXX.0.",
".0..0.XXXX.XXXX.XXXX.XXXX.0.",
".0000.XXXX.XXXX.XXXX.XXXX.0.",
"....0.XXXX.XXXX.XXXX.XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery7[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0.oooo.XXXX.XXXX.XXXX.0.",
".0000.oooo.XXXX.XXXX.XXXX.0.",
".0..0.oooo.XXXX.XXXX.XXXX.0.",
".0..0.oooo.XXXX.XXXX.XXXX.0.",
".0..0.oooo.XXXX.XXXX.XXXX.0.",
".0..0.oooo.XXXX.XXXX.XXXX.0.",
".0..0.oooo.XXXX.XXXX.XXXX.0.",
".0000.oooo.XXXX.XXXX.XXXX.0.",
"....0.oooo.XXXX.XXXX.XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery6[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0......XXXX.XXXX.XXXX.0.",
".0000......XXXX.XXXX.XXXX.0.",
".0..0......XXXX.XXXX.XXXX.0.",
".0..0......XXXX.XXXX.XXXX.0.",
".0..0......XXXX.XXXX.XXXX.0.",
".0..0......XXXX.XXXX.XXXX.0.",
".0..0......XXXX.XXXX.XXXX.0.",
".0000......XXXX.XXXX.XXXX.0.",
"....0......XXXX.XXXX.XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery5[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0......oooo.XXXX.XXXX.0.",
".0000......oooo.XXXX.XXXX.0.",
".0..0......oooo.XXXX.XXXX.0.",
".0..0......oooo.XXXX.XXXX.0.",
".0..0......oooo.XXXX.XXXX.0.",
".0..0......oooo.XXXX.XXXX.0.",
".0..0......oooo.XXXX.XXXX.0.",
".0000......oooo.XXXX.XXXX.0.",
"....0......oooo.XXXX.XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery4[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0...........XXXX.XXXX.0.",
".0000...........XXXX.XXXX.0.",
".0..0...........XXXX.XXXX.0.",
".0..0...........XXXX.XXXX.0.",
".0..0...........XXXX.XXXX.0.",
".0..0...........XXXX.XXXX.0.",
".0..0...........XXXX.XXXX.0.",
".0000...........XXXX.XXXX.0.",
"....0...........XXXX.XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery3[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0...........oooo.XXXX.0.",
".0000...........oooo.XXXX.0.",
".0..0...........oooo.XXXX.0.",
".0..0...........oooo.XXXX.0.",
".0..0...........oooo.XXXX.0.",
".0..0...........oooo.XXXX.0.",
".0..0...........oooo.XXXX.0.",
".0000...........oooo.XXXX.0.",
"....0...........oooo.XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery2[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0................XXXX.0.",
".0000................XXXX.0.",
".0..0................XXXX.0.",
".0..0................XXXX.0.",
".0..0................XXXX.0.",
".0..0................XXXX.0.",
".0..0................XXXX.0.",
".0000................XXXX.0.",
"....0................XXXX.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery1[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
" .0................oooo.0.",
".0000................oooo.0.",
".0..0................oooo.0.",
".0..0................oooo.0.",
".0..0................oooo.0.",
".0..0................oooo.0.",
".0..0................oooo.0.",
".0000................oooo.0.",
" .0................oooo.0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery0[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
" .0.....................0.",
".0000.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0000.....................0.",
"....0.....................0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
//#endif
static const char * battery_charge[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0.....................0.",
".0000............XX.......0.",
".0..0...........XXXX......0.",
".0..0..XX......XXXXXX.....0.",
".0..0...XXX...XXXX..XX....0.",
".0..0....XXX..XXXX...XX...0.",
".0..0.....XXXXXXX.....XX..0.",
".0000.......XXXX..........0.",
"....0........XX...........0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
static const char * battery_frame[] = {
BATTERY_HEADER
" .........................",
" .00000000000000000000000.",
" .0.....................0.",
"....0.....................0.",
".0000.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0..0.....................0.",
".0000.....................0.",
"....0.....................0.",
" .0.....................0.",
" .00000000000000000000000.",
" .........................",
};
const char * * icon_bpm[] = {
battery_charge,
battery0,
battery1,
battery2,
battery3,
battery4,
battery5,
battery6,
battery7,
battery8,
battery_frame,
NULL
};
replaceColor( color1, cl1 );
replaceColor( color2, cl2 );
replaceColor( color3, cl3 );
replaceColor( color4, cl4 );
LVRefVec<LVImageSource> icons;
for ( int i=0; icon_bpm[i]; i++ ) {
icons.add(LVCreateXPMImageSource( icon_bpm[i] ));
}
return icons;
}
typedef struct CreDocument {
LVDocView *text_view;
ldomDocument *dom_doc;
} CreDocument;
static int initCache(lua_State *L) {
const char *cache_path = luaL_checkstring(L, 1);
int cache_size = luaL_checkint(L, 2);
ldomDocCache::init(lString16(cache_path), cache_size);
return 0;
}
static int initHyphDict(lua_State *L) {
const char *dict_path = luaL_checkstring(L, 1);
HyphMan::initDictionaries(lString16(dict_path));
return 0;
}
static int newDocView(lua_State *L) {
int width = luaL_checkint(L, 1);
int height = luaL_checkint(L, 2);
LVDocViewMode view_mode = (LVDocViewMode)luaL_checkint(L, 3);
CreDocument *doc = (CreDocument*) lua_newuserdata(L, sizeof(CreDocument));
luaL_getmetatable(L, "credocument");
lua_setmetatable(L, -2);
doc->text_view = new LVDocView();
//doc->text_view->setBackgroundColor(0xFFFFFF);
//doc->text_view->setTextColor(0x000000);
//doc->text_view->doCommand(DCMD_SET_DOC_FONTS, 1);
//doc->text_view->doCommand(DCMD_SET_INTERNAL_STYLES, 1);
doc->text_view->setViewMode(view_mode, -1);
doc->text_view->Resize(width, height);
doc->text_view->setPageHeaderInfo(PGHDR_AUTHOR|PGHDR_TITLE|PGHDR_PAGE_NUMBER|PGHDR_PAGE_COUNT|PGHDR_CHAPTER_MARKS|PGHDR_CLOCK);
// it will overwrite all settings by values found in ./data/cr3.ini
CRPropRef props = doc->text_view->propsGetCurrent();
LVStreamRef stream = LVOpenFileStream("data/cr3.ini", LVOM_READ);
if ( !stream.isNull() && props->loadFromStream(stream.get()) ) {
doc->text_view->propsApply(props);
} else {
// Tweak the default settings to be slightly less random
props->setString(PROP_FALLBACK_FONT_FACE, "Droid Sans Fallback");
props->setString(PROP_HYPHENATION_DICT, "English_US_hyphen_(Alan).pdb");
props->setString(PROP_STATUS_FONT_FACE, "Noto Sans");
props->setString(PROP_FONT_FACE, "Noto Serif");
props->setInt(PROP_FONT_HINTING, 2); // autohint, to be conservative (some ttf fonts' bytecode is truly crappy)
props->setInt(PROP_FONT_KERNING_ENABLED, 1);
props->setString("styles.pre.font-face", "font-family: \"Droid Sans Mono\"");
stream = LVOpenFileStream("data/cr3.ini", LVOM_WRITE);
props->saveToStream(stream.get());
}
doc->text_view->setBatteryIcons(getBatteryIcons(0x000000));
return 1;
}
static int saveDefaults(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
CRPropRef props = doc->text_view->propsGetCurrent();
LVStreamRef stream = LVOpenFileStream("data/cr3.ini", LVOM_WRITE);
return props->saveToStream(stream.get());
}
static int setIntProperty(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *propName = luaL_checkstring(L, 2);
int value = luaL_checkint(L, 3);
CRPropRef props = LVCreatePropsContainer();
props->setInt(propName, value);
doc->text_view->propsApply(props);
return 0;
}
static int setStringProperty(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *propName = luaL_checkstring(L, 2);
const char *value = luaL_checkstring(L, 3);
CRPropRef props = LVCreatePropsContainer();
props->setString(propName, value);
doc->text_view->propsApply(props);
return 0;
}
static int getGammaIndex(lua_State *L) {
lua_pushinteger(L, fontMan->GetGammaIndex());
return 1;
}
static int setGammaIndex(lua_State *L) {
int index = luaL_checkint(L, 1);
fontMan->SetGammaIndex(index);
return 0;
}
static int getHyphDictList(lua_State *L) {
lua_newtable(L);
HyphDictionaryList *list = HyphMan::getDictList();
for(int i = 0; i < list->length(); i++) {
lua_pushnumber(L, i+1);
lua_pushstring(L, UnicodeToLocal(list->get(i)->getId()).c_str());
lua_settable(L, -3);
}
return 1;
}
static int getSelectedHyphDict(lua_State *L) {
lua_pushstring(L, UnicodeToLocal(HyphMan::getSelectedDictionary()->getId()).c_str());
return 1;
}
static int setHyphDictionary(lua_State *L) {
const char *id = luaL_checkstring(L, 1);
HyphMan::getDictList()->activate((lString16)id);
return 0;
}
static int loadDocument(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *file_name = luaL_checkstring(L, 2);
doc->text_view->LoadDocument(file_name);
doc->dom_doc = doc->text_view->getDocument();
return 0;
}
static int renderDocument(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
doc->text_view->Render();
return 0;
}
static int closeDocument(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
/* should be save if called twice */
if(doc->text_view != NULL) {
delete doc->text_view;
doc->text_view = NULL;
}
return 0;
}
static int getNumberOfPages(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->getPageCount());
return 1;
}
static int getCurrentPage(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->getCurPage()+1);
return 1;
}
static int getPageFromXPointer(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *xpointer_str = luaL_checkstring(L, 2);
int page = 1;
ldomXPointer xp = doc->dom_doc->createXPointer(lString16(xpointer_str));
page = doc->text_view->getBookmarkPage(xp) + 1;
lua_pushinteger(L, page);
return 1;
}
static int getPosFromXPointer(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *xpointer_str = luaL_checkstring(L, 2);
int pos = 0;
ldomXPointer xp = doc->dom_doc->createXPointer(lString16(xpointer_str));
lvPoint pt = xp.toPoint();
if (pt.y > 0) {
pos = pt.y;
}
lua_pushinteger(L, pos);
return 1;
}
static int getCurrentPos(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->GetPos());
return 1;
}
static int getCurrentPercent(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->getPosPercent());
return 1;
}
static int getXPointer(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
ldomXPointer xp = doc->text_view->getBookmark();
lua_pushstring(L, UnicodeToLocal(xp.toString()).c_str());
return 1;
}
static int getFullHeight(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->GetFullHeight());
return 1;
}
static int getFontSize(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->getFontSize());
return 1;
}
static int getFontFace(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushstring(L, doc->text_view->getDefaultFontFace().c_str());
return 1;
}
/*
* helper function for getTableOfContent()
*/
static int walkTableOfContent(lua_State *L, LVTocItem *toc, int *count) {
LVTocItem *toc_tmp = NULL;
int i = 0,
nr_child = toc->getChildCount();
for (i = 0; i < nr_child; i++) {
toc_tmp = toc->getChild(i);
lua_pushnumber(L, (*count)++);
/* set subtable, Toc entry */
lua_newtable(L);
lua_pushstring(L, "page");
lua_pushnumber(L, toc_tmp->getPage()+1);
lua_settable(L, -3);
lua_pushstring(L, "xpointer");
lua_pushstring(L, UnicodeToLocal(
toc_tmp->getXPointer().toString()).c_str()
);
lua_settable(L, -3);
lua_pushstring(L, "depth");
lua_pushnumber(L, toc_tmp->getLevel());
lua_settable(L, -3);
lua_pushstring(L, "title");
lua_pushstring(L, UnicodeToLocal(toc_tmp->getName()).c_str());
lua_settable(L, -3);
/* set Toc entry to Toc table */
lua_settable(L, -3);
if (toc_tmp->getChildCount() > 0) {
walkTableOfContent(L, toc_tmp, count);
}
}
return 0;
}
/*
* Return a table like this:
* {
* {
* page=12,
* xpointer = "/body/DocFragment[11].0",
* depth=1,
* title="chapter1"
* },
* {
* page=54,
* xpointer = "/body/DocFragment[13].0",
* depth=1,
* title="chapter2"
* },
* }
*
*/
static int getTableOfContent(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
LVTocItem * toc = doc->text_view->getToc();
int count = 1;
lua_newtable(L);
walkTableOfContent(L, toc, &count);
return 1;
}
/*
* Return a table like this:
* {
* "FreeMono",
* "FreeSans",
* "FreeSerif",
* }
*
*/
static int getFontFaces(lua_State *L) {
int i = 0;
lString16Collection face_list;
fontMan->getFaceList(face_list);
lua_newtable(L);
for (i = 0; i < face_list.length(); i++)
{
lua_pushnumber(L, i+1);
lua_pushstring(L, UnicodeToLocal(face_list[i]).c_str());
lua_settable(L, -3);
}
return 1;
}
static int setViewMode(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
LVDocViewMode view_mode = (LVDocViewMode)luaL_checkint(L, 2);
doc->text_view->setViewMode(view_mode, -1);
return 0;
}
static int setViewDimen(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int w = luaL_checkint(L, 2);
int h = luaL_checkint(L, 3);
doc->text_view->Resize(w, h);
doc->text_view->Render();
return 0;
}
static int setHeaderInfo(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int info = luaL_checkint(L, 2);
doc->text_view->setPageHeaderInfo(info);
return 0;
}
static int setHeaderFont(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *face = luaL_checkstring(L, 2);
doc->text_view->setStatusFontFace(lString8(face));
return 0;
}
static int setFontFace(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *face = luaL_checkstring(L, 2);
doc->text_view->setDefaultFontFace(lString8(face));
//fontMan->SetFallbackFontFace(lString8(face));
return 0;
}
static int gotoPage(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int pageno = luaL_checkint(L, 2);
doc->text_view->goToPage(pageno-1);
return 0;
}
static int gotoPercent(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int percent = luaL_checkint(L, 2);
doc->text_view->SetPos(percent * doc->text_view->GetFullHeight() / 10000);
return 0;
}
static int gotoPos(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int pos = luaL_checkint(L, 2);
doc->text_view->SetPos(pos);
return 0;
}
static int gotoXPointer(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char *xpointer_str = luaL_checkstring(L, 2);
ldomXPointer xp = doc->dom_doc->createXPointer(lString16(xpointer_str));
doc->text_view->goToBookmark(xp);
/* CREngine does not call checkPos() immediately after goToBookmark,
* so I have to manually update the pos in order to get a correct
* return from GetPos() call. */
doc->text_view->SetPos(xp.toPoint().y);
return 0;
}
/* zoom font by given delta and return zoomed font size */
static int zoomFont(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int delta = luaL_checkint(L, 2);
doc->text_view->ZoomFont(delta);
lua_pushnumber(L, doc->text_view->getFontSize());
return 1;
}
static int setFontSize(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int size = luaL_checkint(L, 2);
doc->text_view->setFontSize(size);
return 0;
}
static int setDefaultInterlineSpace(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int space = luaL_checkint(L, 2);
doc->text_view->setDefaultInterlineSpace(space);
return 0;
}
static int setStyleSheet(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
const char* style_sheet = luaL_checkstring(L, 2);
lString8 css;
if (LVLoadStylesheetFile(lString16(style_sheet), css)){
doc->text_view->setStyleSheet(css);
} else {
doc->text_view->setStyleSheet(lString8());
}
return 0;
}
/// ------- Page Margins -------
static int setPageMargins(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lvRect rc;
rc.left = luaL_checkint(L, 2);
rc.top = luaL_checkint(L, 3);
rc.right = luaL_checkint(L, 4);
rc.bottom = luaL_checkint(L, 5);
doc->text_view->setPageMargins(rc);
return 0;
}
static int getVisiblePageCount(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lua_pushinteger(L, doc->text_view->getVisiblePageCount());
return 1;
}
static int setVisiblePageCount(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
doc->text_view->setVisiblePageCount(luaL_checkint(L, 2));
return 0;
}
static int adjustFontSizes(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int dpi = luaL_checkint(L, 2);
static int fontSizes[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 44, 48, 52, 56, 60, 64, 68, 72};
LVArray<int> sizes( fontSizes, sizeof(fontSizes)/sizeof(int) );
doc->text_view->setFontSizes(sizes, false); // text
if (dpi < 170) {
doc->text_view->setStatusFontSize(20); // header
} else if (dpi > 250) {
doc->text_view->setStatusFontSize(28);
} else {
doc->text_view->setStatusFontSize(24);
}
return 0;
}
static int getPageMargins(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
lvRect rc = doc->text_view->getPageMargins();
lua_newtable(L);
lua_pushstring(L, "left");
lua_pushnumber(L, rc.left);
lua_settable(L, -3);
lua_pushstring(L, "top");
lua_pushnumber(L, rc.top);
lua_settable(L, -3);
lua_pushstring(L, "right");
lua_pushnumber(L, rc.right);
lua_settable(L, -3);
lua_pushstring(L, "bottom");
lua_pushnumber(L, rc.bottom);
lua_settable(L, -3);
return 1;
}
static int setEmbeddedStyleSheet(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
doc->text_view->doCommand(DCMD_SET_INTERNAL_STYLES, luaL_checkint(L, 2));
return 0;
}
static int toggleFontBolder(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
doc->text_view->doCommand(DCMD_TOGGLE_BOLD);
return 0;
}
static int cursorRight(lua_State *L) {
//CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
//LVDocView *tv = doc->text_view;
//ldomXPointer p = tv->getCurrentPageMiddleParagraph();
//lString16 s = p.getText();
//lString16 s = p.toString();
//printf("~~~~~~~~~~%s\n", UnicodeToLocal(s).c_str());
//tv->selectRange(*(tv->selectFirstPageLink()));
//ldomXRange *r = tv->selectNextPageLink(true);
//lString16 s = r->getRangeText();
//printf("------%s\n", UnicodeToLocal(s).c_str());
//tv->selectRange(*r);
//tv->updateSelections();
//LVPageWordSelector sel(doc->text_view);
//doc->text_view->doCommand(DCMD_SELECT_FIRST_SENTENCE);
//sel.moveBy(DIR_RIGHT, 2);
//printf("---------------- %s\n", UnicodeToLocal(sel.getSelectedWord()->getText()).c_str());
return 0;
}
static int getLinkFromPosition(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int x = luaL_checkint(L, 2);
int y = luaL_checkint(L, 3);
lvPoint pt(x, y);
ldomXPointer p = doc->text_view->getNodeByPoint(pt);
lString16 href = p.getHRef();
lua_pushstring(L, UnicodeToLocal(href).c_str());
return 1;
}
static int getWordFromPosition(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int x = luaL_checkint(L, 2);
int y = luaL_checkint(L, 3);
LVDocView *tv = doc->text_view;
lvRect margin = tv->getPageMargins();
int x_offset = margin.left;
int y_offset = tv->GetPos() - (tv->getPageHeaderHeight() + margin.top) * (tv->getViewMode()==DVM_PAGES);
LVPageWordSelector sel(tv);
sel.selectWord(x - x_offset, y + y_offset);
ldomWordEx * word = sel.getSelectedWord();
lua_newtable(L); // new word box
if (word) {
lvRect rect;
ldomXRange range = word->getRange();
if (range.getRect(rect)) {
lua_pushstring(L, "word");
lua_pushstring(L, UnicodeToLocal(word->getText()).c_str());
lua_settable(L, -3);
lua_pushstring(L, "x0");
lua_pushinteger(L, rect.left + x_offset);
lua_settable(L, -3);
lua_pushstring(L, "y0");
lua_pushinteger(L, rect.top - y_offset);
lua_settable(L, -3);
lua_pushstring(L, "x1");
lua_pushinteger(L, rect.right + x_offset);
lua_settable(L, -3);
lua_pushstring(L, "y1");
lua_pushinteger(L, rect.bottom - y_offset);
lua_settable(L, -3);
}
}
return 1;
}
static int getTextFromPositions(lua_State *L) {
CreDocument *doc = (CreDocument*) luaL_checkudata(L, 1, "credocument");
int x0 = luaL_checkint(L, 2);
int y0 = luaL_checkint(L, 3);
int x1 = luaL_checkint(L, 4);
int y1 = luaL_checkint(L, 5);
LVDocView *tv = doc->text_view;
lvRect margin = tv->getPageMargins();
lvPoint startpt(x0, y0);
lvPoint endpt(x1, y1);
ldomXPointer startp = tv->getNodeByPoint(startpt);
ldomXPointer endp = tv->getNodeByPoint(endpt);
lua_newtable(L); // new text boxes
if (!startp.isNull() && !endp.isNull()) {
ldomXRange r(startp, endp);
if (r.getStart().isNull() || r.getEnd().isNull())
return 0;
r.sort();
if (!r.getStart().isVisibleWordStart())
r.getStart().prevVisibleWordStart();
if (!r.getEnd().isVisibleWordEnd())
r.getEnd().nextVisibleWordEnd();
if (r.isNull())
return 0;
if (r.getStart() == r.getEnd()) { // for single CJK character
ldomNode * node = r.getStart().getNode();
lString16 text = node->getText();
int textLen = text.length();
int offset = r.getEnd().getOffset();
if (offset < textLen - 1)
r.getEnd().setOffset(offset + 1);
}
r.setFlags(1);
tv->selectRange(r); // we don't need native highlight of selection
int page = tv->getBookmarkPage(startp);
int pages = tv->getPageCount();
lString16 titleText;
lString16 posText;
tv->getBookmarkPosText(startp, titleText, posText);
lString16 selText = r.getRangeText( '\n', 8192 );
lua_pushstring(L, "text");
lua_pushstring(L, UnicodeToLocal(selText).c_str());
lua_settable(L, -3);
lua_pushstring(L, "pos0");
lua_pushstring(L, UnicodeToLocal(r.getStart().toString()).c_str());
lua_settable(L, -3);
lua_pushstring(L, "pos1");
lua_pushstring(L, UnicodeToLocal(r.getEnd().toString()).c_str());
lua_settable(L, -3);
lua_pushstring(L, "title");
lua_pushstring(L, UnicodeToLocal(titleText).c_str());
lua_settable(L, -3);
lua_pushstring(L, "context");
lua_pushstring(L, UnicodeToLocal(posText).c_str());
lua_settable(L, -3);
lua_pushstring(L, "percent");
lua_pushnumber(L, 1.0*page/(pages-1));
lua_settable(L, -3);
}