void Model::DjVuDocument::loadProperties(QStandardItemModel* propertiesModel) const
{
Document::loadProperties(propertiesModel);
QMutexLocker mutexLocker(&m_mutex);
propertiesModel->setColumnCount(2);
miniexp_t annoExp;
while(true)
{
annoExp = ddjvu_document_get_anno(m_document, TRUE);
if(annoExp == miniexp_dummy)
{
clearMessageQueue(m_context, true);
}
else
{
break;
}
}
const int annoLength = miniexp_length(annoExp);
for(int annoN = 0; annoN < annoLength; ++annoN)
{
miniexp_t listExp = miniexp_nth(annoN, annoExp);
const int listLength = miniexp_length(listExp);
if(listLength <= 1 || qstrncmp(miniexp_to_name(miniexp_nth(0, listExp)), "metadata", 8) != 0)
{
continue;
}
for(int listN = 1; listN < listLength; ++listN)
{
miniexp_t keyValueExp = miniexp_nth(listN, listExp);
if(miniexp_length(keyValueExp) != 2)
{
continue;
}
const QString key = QString::fromUtf8(miniexp_to_name(miniexp_nth(0, keyValueExp)));
const QString value = QString::fromUtf8(miniexp_to_str(miniexp_nth(1, keyValueExp)));
if(!key.isEmpty() && !value.isEmpty())
{
propertiesModel->appendRow(QList< QStandardItem* >() << new QStandardItem(key) << new QStandardItem(value));
}
}
}
ddjvu_miniexp_release(m_document, annoExp);
}
static void loadOutline(miniexp_t outlineExp, int offset, QStandardItem* parent, const QHash< QString, int >& indexByName)
{
const int outlineLength = miniexp_length(outlineExp);
for(int outlineN = qMax(0, offset); outlineN < outlineLength; ++outlineN)
{
miniexp_t bookmarkExp = miniexp_nth(outlineN, outlineExp);
const int bookmarkLength = miniexp_length(bookmarkExp);
if(bookmarkLength <= 1 || !miniexp_stringp(miniexp_nth(0, bookmarkExp)) || !miniexp_stringp(miniexp_nth(1, bookmarkExp)))
{
continue;
}
const QString title = QString::fromUtf8(miniexp_to_str(miniexp_nth(0, bookmarkExp)));
QString destination = QString::fromUtf8(miniexp_to_str(miniexp_nth(1, bookmarkExp)));
if(!title.isEmpty() && !destination.isEmpty())
{
if(destination.at(0) == QLatin1Char('#'))
{
destination.remove(0,1);
bool ok = false;
int destinationPage = destination.toInt(&ok);
if(!ok)
{
if(indexByName.contains(destination))
{
destinationPage = indexByName[destination] + 1;
}
else
{
continue;
}
}
QStandardItem* item = new QStandardItem(title);
item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
item->setData(destinationPage, Qt::UserRole + 1);
QStandardItem* pageItem = item->clone();
pageItem->setText(QString::number(destinationPage));
pageItem->setTextAlignment(Qt::AlignRight);
parent->appendRow(QList< QStandardItem* >() << item << pageItem);
if(bookmarkLength >= 3)
{
loadOutline(bookmarkExp, 2, item, indexByName);
}
}
}
}
}
static int walkTableOfContent(lua_State *L, miniexp_t r, int *count, int depth) {
depth++;
miniexp_t lista = miniexp_cdr(r); // go inside bookmars in the list
int length = miniexp_length(r);
int counter = 0;
const char* page_name;
int page_number;
while(counter < length-1) {
lua_pushnumber(L, *count);
lua_newtable(L);
lua_pushstring(L, "page");
page_name = miniexp_to_str(miniexp_car(miniexp_cdr(miniexp_nth(counter, lista))));
if(page_name != NULL && page_name[0] == '#') {
errno = 0;
page_number = strtol(page_name + 1, NULL, 10);
if(!errno) {
lua_pushnumber(L, page_number);
} else {
/* we can not parse this as a number, TODO: parse page names */
lua_pushnumber(L, -1);
}
} else {
/* something we did not expect here */
lua_pushnumber(L, -1);
}
lua_settable(L, -3);
lua_pushstring(L, "depth");
lua_pushnumber(L, depth);
lua_settable(L, -3);
lua_pushstring(L, "title");
lua_pushstring(L, miniexp_to_str(miniexp_car(miniexp_nth(counter, lista))));
lua_settable(L, -3);
lua_settable(L, -3);
(*count)++;
if (miniexp_length(miniexp_cdr(miniexp_nth(counter, lista))) > 1) {
walkTableOfContent(L, miniexp_cdr(miniexp_nth(counter, lista)), count, depth);
}
counter++;
}
return 0;
}
jint* get_djvu_hyperlink_area(ddjvu_pageinfo_t *page_info, miniexp_t sexp, int &type, int &len)
{
miniexp_t iter;
iter = sexp;
DEBUG("Hyperlink area %s", miniexp_to_name(miniexp_car(sexp)));
if (miniexp_car(iter) == miniexp_symbol("rect"))
type = 1;
else if (miniexp_car(iter) == miniexp_symbol("oval"))
type = 2;
else if (miniexp_car(iter) == miniexp_symbol("poly"))
type = 3;
else return NULL;
len = miniexp_length(iter);
jint* array = new jint[len];
int x, i = 0;
iter = miniexp_cdr(iter);
while (iter != miniexp_nil)
{
if (!number_from_miniexp(miniexp_car(iter), &x))
break;
iter = miniexp_cdr(iter);
array[i++] = (jint) x;
if (i >= len)
break;
}
len = i;
if ((type == 1 || type == 2) && len == 4)
{
int miny, width, height;
miny = array[1];
width = array[2];
height = array[3];
array[1] = (page_info->height - (miny + height));
array[2] = array[0] + width;
array[3] = (page_info->height - miny);
}
if (type == 3 && (len % 2) == 0)
{
int ccc;
for (int k = 1; k < len; k += 2)
{
ccc = array[k];
array[k] = (page_info->height - ccc);
}
}
return array;
}
static QString loadText(miniexp_t textExp, const QRect& rect, int pageHeight)
{
const int textLength = miniexp_length(textExp);
if(textLength >= 6 && miniexp_symbolp(miniexp_nth(0, textExp)))
{
const int xmin = miniexp_to_int(miniexp_nth(1, textExp));
const int ymin = miniexp_to_int(miniexp_nth(2, textExp));
const int xmax = miniexp_to_int(miniexp_nth(3, textExp));
const int ymax = miniexp_to_int(miniexp_nth(4, textExp));
if(rect.intersects(QRect(xmin, pageHeight - ymax, xmax - xmin, ymax - ymin)))
{
if(qstrncmp(miniexp_to_name(miniexp_nth(0, textExp)), "word", 4) == 0)
{
return QString::fromUtf8(miniexp_to_str(miniexp_nth(5, textExp)));
}
else
{
QStringList text;
for(int textN = 5; textN < textLength; ++textN)
{
text.append(loadText(miniexp_nth(textN, textExp), rect, pageHeight));
}
if(qstrncmp(miniexp_to_name(miniexp_nth(0, textExp)), "line", 4) == 0)
{
return text.join(" ");
}
else
{
return text.join("\n");
}
}
}
}
return QString();
}
void Model::DjVuDocument::loadOutline(QStandardItemModel* outlineModel) const
{
Document::loadOutline(outlineModel);
QMutexLocker mutexLocker(&m_mutex);
miniexp_t outlineExp;
while(true)
{
outlineExp = ddjvu_document_get_outline(m_document);
if(outlineExp == miniexp_dummy)
{
clearMessageQueue(m_context, true);
}
else
{
break;
}
}
if(miniexp_length(outlineExp) <= 1)
{
return;
}
if(qstrncmp(miniexp_to_name(miniexp_nth(0, outlineExp)), "bookmarks", 9) != 0)
{
return;
}
::loadOutline(outlineExp, 1, outlineModel->invisibleRootItem(), m_indexByName);
ddjvu_miniexp_release(m_document, outlineExp);
}
static gboolean
get_djvu_hyperlink_area (ddjvu_pageinfo_t *page_info,
miniexp_t sexp,
EvMapping *ev_link_mapping)
{
miniexp_t iter;
iter = sexp;
if ((miniexp_car (iter) == miniexp_symbol ("rect") || miniexp_car (iter) == miniexp_symbol ("oval"))
&& miniexp_length (iter) == 5) {
/* FIXME: get bounding box for (oval) since Evince doesn't support shaped links */
int minx, miny, width, height;
iter = miniexp_cdr (iter);
if (!number_from_miniexp (miniexp_car (iter), &minx)) goto unknown_link;
iter = miniexp_cdr (iter);
if (!number_from_miniexp (miniexp_car (iter), &miny)) goto unknown_link;
iter = miniexp_cdr (iter);
if (!number_from_miniexp (miniexp_car (iter), &width)) goto unknown_link;
iter = miniexp_cdr (iter);
if (!number_from_miniexp (miniexp_car (iter), &height)) goto unknown_link;
ev_link_mapping->area.x1 = minx;
ev_link_mapping->area.x2 = (minx + width);
ev_link_mapping->area.y1 = (page_info->height - (miny + height));
ev_link_mapping->area.y2 = (page_info->height - miny);
} else if (miniexp_car (iter) == miniexp_symbol ("poly")
&& miniexp_length (iter) >= 5 && miniexp_length (iter) % 2 == 1) {
/* FIXME: get bounding box since Evince doesn't support shaped links */
int minx = G_MAXINT, miny = G_MAXINT;
int maxx = G_MININT, maxy = G_MININT;
iter = miniexp_cdr(iter);
while (iter != miniexp_nil) {
int x, y;
if (!number_from_miniexp (miniexp_car(iter), &x)) goto unknown_link;
iter = miniexp_cdr (iter);
if (!number_from_miniexp (miniexp_car(iter), &y)) goto unknown_link;
iter = miniexp_cdr (iter);
minx = MIN (minx, x);
miny = MIN (miny, y);
maxx = MAX (maxx, x);
maxy = MAX (maxy, y);
}
ev_link_mapping->area.x1 = minx;
ev_link_mapping->area.x2 = maxx;
ev_link_mapping->area.y1 = (page_info->height - maxy);
ev_link_mapping->area.y2 = (page_info->height - miny);
} else {
/* unknown */
goto unknown_link;
}
return TRUE;
unknown_link:
g_warning("DjvuLibre error: Unknown hyperlink area %s", miniexp_to_name(miniexp_car(sexp)));
return FALSE;
}
/**
* Builds the index GtkTreeModel from DjVu s-expr
*
* (bookmarks
* ("title1" "dest1"
* ("title12" "dest12"
* ... )
* ... )
* ("title2" "dest2"
* ... )
* ... )
*/
static void
build_tree (const DjvuDocument *djvu_document,
GtkTreeModel *model,
GtkTreeIter *parent,
miniexp_t iter)
{
const char *title, *link_dest;
char *title_markup;
EvLinkAction *ev_action = NULL;
EvLink *ev_link = NULL;
GtkTreeIter tree_iter;
if (miniexp_car (iter) == miniexp_symbol ("bookmarks")) {
/* The (bookmarks) cons */
iter = miniexp_cdr (iter);
} else if ( miniexp_length (iter) >= 2 ) {
gchar *utf8_title = NULL;
/* An entry */
if (!string_from_miniexp (miniexp_car (iter), &title)) goto unknown_entry;
if (!string_from_miniexp (miniexp_cadr (iter), &link_dest)) goto unknown_entry;
if (!g_utf8_validate (title, -1, NULL)) {
utf8_title = str_to_utf8 (title);
title_markup = g_markup_escape_text (utf8_title, -1);
} else {
title_markup = g_markup_escape_text (title, -1);
}
ev_action = get_djvu_link_action (djvu_document, link_dest, -1);
if (ev_action) {
ev_link = ev_link_new (utf8_title ? utf8_title : title, ev_action);
gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
EV_DOCUMENT_LINKS_COLUMN_LINK, ev_link,
EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE,
-1);
g_object_unref (ev_action);
g_object_unref (ev_link);
} else {
gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE,
-1);
}
g_free (title_markup);
g_free (utf8_title);
iter = miniexp_cddr (iter);
parent = &tree_iter;
} else {
goto unknown_entry;
}
for (; iter != miniexp_nil; iter = miniexp_cdr (iter)) {
build_tree (djvu_document, model, parent, miniexp_car (iter));
}
return;
unknown_entry:
g_warning ("DjvuLibre error: Unknown entry in bookmarks");
return;
}
QList< QRectF > Model::DjVuPage::search(const QString& text, bool matchCase) const
{
QMutexLocker mutexLocker(&m_parent->m_mutex);
miniexp_t pageTextExp;
while(true)
{
pageTextExp = ddjvu_document_get_pagetext(m_parent->m_document, m_index, "word");
if(pageTextExp == miniexp_dummy)
{
clearMessageQueue(m_parent->m_context, true);
}
else
{
break;
}
}
QList< miniexp_t > words;
QList< QRectF > results;
words.append(pageTextExp);
QRectF rect;
int index = 0;
while(!words.isEmpty())
{
miniexp_t textExp = words.takeFirst();
const int textLength = miniexp_length(textExp);
if(textLength >= 6 && miniexp_symbolp(miniexp_nth(0, textExp)))
{
if(qstrncmp(miniexp_to_name(miniexp_nth(0, textExp)), "word", 4) == 0)
{
const QString word = QString::fromUtf8(miniexp_to_str(miniexp_nth(5, textExp)));
if(text.indexOf(word, index, matchCase ? Qt::CaseSensitive : Qt::CaseInsensitive) == index)
{
const int xmin = miniexp_to_int(miniexp_nth(1, textExp));
const int ymin = miniexp_to_int(miniexp_nth(2, textExp));
const int xmax = miniexp_to_int(miniexp_nth(3, textExp));
const int ymax = miniexp_to_int(miniexp_nth(4, textExp));
rect = rect.united(QRectF(xmin, m_size.height() - ymax, xmax - xmin, ymax - ymin));
index += word.length();
while(text.length() > index && text.at(index).isSpace())
{
++index;
}
if(text.length() == index)
{
results.append(rect);
rect = QRectF();
index = 0;
}
}
else
{
rect = QRectF();
index = 0;
}
}
else
{
for(int textN = 5; textN < textLength; ++textN)
{
words.append(miniexp_nth(textN, textExp));
}
}
}
}
ddjvu_miniexp_release(m_parent->m_document, pageTextExp);
QTransform transform = QTransform::fromScale(72.0 / m_resolution, 72.0 / m_resolution);
for(int index = 0; index < results.size(); ++index)
{
results[index] = transform.mapRect(results[index]);
}
return results;
}
QList< Model::Link* > Model::DjVuPage::links() const
{
QMutexLocker mutexLocker(&m_parent->m_mutex);
QList< Link* > links;
miniexp_t pageAnnoExp;
while(true)
{
pageAnnoExp = ddjvu_document_get_pageanno(m_parent->m_document, m_index);
if(pageAnnoExp == miniexp_dummy)
{
clearMessageQueue(m_parent->m_context, true);
}
else
{
break;
}
}
const int pageAnnoLength = miniexp_length(pageAnnoExp);
for(int pageAnnoN = 0; pageAnnoN < pageAnnoLength; ++pageAnnoN)
{
miniexp_t linkExp = miniexp_nth(pageAnnoN, pageAnnoExp);
if(miniexp_length(linkExp) <= 3 || qstrncmp(miniexp_to_name(miniexp_nth(0, linkExp)), "maparea", 7 ) != 0 || !miniexp_symbolp(miniexp_nth(0, miniexp_nth(3, linkExp))))
{
continue;
}
const QString type = QString::fromUtf8(miniexp_to_name(miniexp_nth(0, miniexp_nth(3, linkExp))));
if(type == QLatin1String("rect") || type == QLatin1String("oval") || type == QLatin1String("poly"))
{
// boundary
QPainterPath boundary;
miniexp_t areaExp = miniexp_nth(3, linkExp);
const int areaLength = miniexp_length( areaExp );
if(areaLength == 5 && (type == QLatin1String("rect") || type == QLatin1String("oval")))
{
QPoint p(miniexp_to_int(miniexp_nth(1, areaExp)), miniexp_to_int(miniexp_nth(2, areaExp)));
QSize s(miniexp_to_int(miniexp_nth(3, areaExp)), miniexp_to_int(miniexp_nth(4, areaExp)));
p.setY(m_size.height() - s.height() - p.y());
const QRectF r(p, s);
if(type == QLatin1String("rect"))
{
boundary.addRect(r);
}
else
{
boundary.addEllipse(r);
}
}
else if(areaLength > 0 && areaLength % 2 == 1 && type == QLatin1String("poly"))
{
QPolygon polygon;
for(int areaExpN = 1; areaExpN < areaLength; areaExpN += 2)
{
QPoint p(miniexp_to_int(miniexp_nth(areaExpN, areaExp)), miniexp_to_int(miniexp_nth(areaExpN + 1, areaExp)));
p.setY(m_size.height() - p.y());
polygon << p;
}
boundary.addPolygon(polygon);
}
if(boundary.isEmpty())
{
continue;
}
boundary = QTransform::fromScale(1.0 / m_size.width(), 1.0 / m_size.height()).map(boundary);
// target
QString target;
miniexp_t targetExp = miniexp_nth(1, linkExp);
if(miniexp_stringp(targetExp))
{
target = QString::fromUtf8(miniexp_to_str(miniexp_nth(1, linkExp)));
}
else if(miniexp_length(targetExp) == 3 && qstrncmp(miniexp_to_name(miniexp_nth(0, targetExp)), "url", 3) == 0)
{
target = QString::fromUtf8(miniexp_to_str(miniexp_nth(1, targetExp)));
}
if(target.isEmpty())
{
continue;
}
if(target.at(0) == QLatin1Char('#'))
{
target.remove(0, 1);
bool ok = false;
int targetPage = target.toInt(&ok);
if(!ok)
{
if(m_parent->m_indexByName.contains(target))
{
targetPage = m_parent->m_indexByName[target] + 1;
}
else
{
continue;
}
}
else
{
targetPage = (target.at(0) == QLatin1Char('+') || target.at(0) == QLatin1Char('-')) ? m_index + targetPage : targetPage;
}
links.append(new Link(boundary, targetPage));
}
else
{
links.append(new Link(boundary, target));
}
}
}
ddjvu_miniexp_release(m_parent->m_document, pageAnnoExp);
return links;
}
/*
* Return a table like following:
* {
* -- a line entry
* 1 = {
* 1 = {word="This", x0=377, y0=4857, x1=2427, y1=5089},
* 2 = {word="is", x0=377, y0=4857, x1=2427, y1=5089},
* 3 = {word="Word", x0=377, y0=4857, x1=2427, y1=5089},
* 4 = {word="List", x0=377, y0=4857, x1=2427, y1=5089},
* x0 = 377, y0 = 4857, x1 = 2427, y1 = 5089,
* },
*
* -- an other line entry
* 2 = {
* 1 = {word="This", x0=377, y0=4857, x1=2427, y1=5089},
* 2 = {word="is", x0=377, y0=4857, x1=2427, y1=5089},
* x0 = 377, y0 = 4857, x1 = 2427, y1 = 5089,
* },
* }
*/
static int getPageText(lua_State *L) {
DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
int pageno = luaL_checkint(L, 2);
/* get page height for coordinates transform */
ddjvu_pageinfo_t info;
ddjvu_status_t r;
while ((r=ddjvu_document_get_pageinfo(
doc->doc_ref, pageno-1, &info))<DDJVU_JOB_OK) {
handle(L, doc->context, TRUE);
}
if (r>=DDJVU_JOB_FAILED)
return luaL_error(L, "cannot get page #%d information", pageno);
/* start retrieving page text */
miniexp_t sexp, se_line, se_word;
int i = 1, j = 1, counter_l = 1, counter_w=1,
nr_line = 0, nr_word = 0;
const char *word = NULL;
while ((sexp = ddjvu_document_get_pagetext(doc->doc_ref, pageno-1, "word"))
== miniexp_dummy) {
handle(L, doc->context, True);
}
/* throuw page info and obtain lines info, after this, sexp's entries
* are lines. */
sexp = miniexp_cdr(sexp);
/* get number of lines in a page */
nr_line = miniexp_length(sexp);
/* table that contains all the lines */
lua_newtable(L);
counter_l = 1;
for(i = 1; i <= nr_line; i++) {
/* retrive one line entry */
se_line = miniexp_nth(i, sexp);
nr_word = miniexp_length(se_line);
if (nr_word == 0) {
continue;
}
/* subtable that contains words in a line */
lua_pushnumber(L, counter_l);
lua_newtable(L);
counter_l++;
/* set line position */
lua_pushstring(L, "x0");
lua_pushnumber(L, miniexp_to_int(miniexp_nth(1, se_line)));
lua_settable(L, -3);
lua_pushstring(L, "y1");
lua_pushnumber(L,
info.height - miniexp_to_int(miniexp_nth(2, se_line)));
lua_settable(L, -3);
lua_pushstring(L, "x1");
lua_pushnumber(L, miniexp_to_int(miniexp_nth(3, se_line)));
lua_settable(L, -3);
lua_pushstring(L, "y0");
lua_pushnumber(L,
info.height - miniexp_to_int(miniexp_nth(4, se_line)));
lua_settable(L, -3);
/* now loop through each word in the line */
counter_w = 1;
for(j = 1; j <= nr_word; j++) {
/* retrive one word entry */
se_word = miniexp_nth(j, se_line);
/* check to see whether the entry is empty */
word = miniexp_to_str(miniexp_nth(5, se_word));
if (!word) {
continue;
}
/* create table that contains info for a word */
lua_pushnumber(L, counter_w);
lua_newtable(L);
counter_w++;
/* set word info */
lua_pushstring(L, "x0");
lua_pushnumber(L, miniexp_to_int(miniexp_nth(1, se_word)));
lua_settable(L, -3);
lua_pushstring(L, "y1");
lua_pushnumber(L,
info.height - miniexp_to_int(miniexp_nth(2, se_word)));
lua_settable(L, -3);
lua_pushstring(L, "x1");
lua_pushnumber(L, miniexp_to_int(miniexp_nth(3, se_word)));
lua_settable(L, -3);
lua_pushstring(L, "y0");
lua_pushnumber(L,
info.height - miniexp_to_int(miniexp_nth(4, se_word)));
lua_settable(L, -3);
lua_pushstring(L, "word");
lua_pushstring(L, word);
lua_settable(L, -3);
/* set word entry to line subtable */
lua_settable(L, -3);
} /* end of for (j) */
/* set line entry to page text table */
lua_settable(L, -3);
} /* end of for (i) */
return 1;
}
static bool
exp_to_rect(miniexp_t expression, zathura_rectangle_t* rect)
{
if ((miniexp_car(expression) == miniexp_symbol("rect")
|| miniexp_car(expression) == miniexp_symbol("oval"))
&& miniexp_length(expression) == 5) {
int min_x = 0;
int min_y = 0;
int width = 0;
int height = 0;
miniexp_t iter = miniexp_cdr(expression);
if (exp_to_int(miniexp_car(iter), &min_x) == false) {
return false;
}
iter = miniexp_cdr(iter);
if (exp_to_int(miniexp_car(iter), &min_y) == false) {
return false;
}
iter = miniexp_cdr(iter);
if (exp_to_int(miniexp_car(iter), &width) == false) {
return false;
}
iter = miniexp_cdr(iter);
if (exp_to_int(miniexp_car(iter), &height) == false) {
return false;
}
rect->x1 = min_x;
rect->x2 = min_x + width;
rect->y1 = min_y;
rect->y2 = min_y + height;
} else if (miniexp_car(expression) == miniexp_symbol("poly")
&& miniexp_length(expression) >= 5) {
int min_x = 0;
int min_y = 0;
int max_x = 0;
int max_y = 0;
miniexp_t iter = miniexp_cdr(expression);
while (iter != miniexp_nil) {
int x = 0;
int y = 0;
if (exp_to_int(miniexp_car(iter), &x) == false) {
return false;
}
iter = miniexp_cdr(iter);
if (exp_to_int(miniexp_car(iter), &y) == false) {
return false;
}
iter = miniexp_cdr(iter);
min_x = MIN(min_x, x);
min_y = MIN(min_y, y);
max_x = MAX(max_x, x);
max_y = MAX(max_y, y);
}
rect->x1 = min_x;
rect->x2 = max_x;
rect->y1 = min_y;
rect->y2 = max_y;
}
return true;
}
