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/****************************************************************************\
Part of the XeTeX typesetting system
copyright (c) 2006 by SIL International
written by Jonathan Kew
This software is distributed under the terms of the Common Public License,
version 1.0.
For details, see <http://www.opensource.org/licenses/cpl1.0.php> or the file
cpl1.0.txt included with the software.
\****************************************************************************/
#include "pdfimage.h"
#include "PDFDoc.h"
#include "Catalog.h"
#include "Page.h"
#include "GString.h"
#include "XeTeX_ext.h"
/* use our own fmin function because it seems to be missing on certain platforms */
inline double
my_fmin(double x, double y)
{
return (x < y) ? x : y;
}
int
pdf_get_rect(char* filename, int page_num, int pdf_box, realrect* box)
/* return the box converted to TeX points */
{
GString* name = new GString(filename);
PDFDoc* doc = new PDFDoc(name);
if (!doc) {
delete name;
return -1;
}
/* if the doc got created, it now owns name, so we mustn't delete it! */
if (!doc->isOk()) {
delete doc;
return -1;
}
int pages = doc->getNumPages();
if (page_num > pages)
page_num = pages;
if (page_num < 0)
page_num = pages + 1 + page_num;
if (page_num < 1)
page_num = 1;
Page* page = doc->getCatalog()->getPage(page_num);
PDFRectangle* r;
switch (pdf_box) {
default:
case pdfbox_crop:
r = page->getCropBox();
break;
case pdfbox_media:
r = page->getMediaBox();
break;
case pdfbox_bleed:
r = page->getBleedBox();
break;
case pdfbox_trim:
r = page->getTrimBox();
break;
case pdfbox_art:
r = page->getArtBox();
break;
}
box->x = 72.27 / 72 * my_fmin(r->x1, r->x2);
box->y = 72.27 / 72 * my_fmin(r->y1, r->y2);
box->wd = 72.27 / 72 * fabs(r->x2 - r->x1);
box->ht = 72.27 / 72 * fabs(r->y2 - r->y1);
delete doc;
return 0;
}
int
pdf_count_pages(char* filename)
{
int pages = 0;
GString* name = new GString(filename);
PDFDoc* doc = new PDFDoc(name);
if (!doc) {
delete name;
return 0;
}
/* if the doc got created, it now owns name, so we mustn't delete it! */
if (doc->isOk())
pages = doc->getNumPages();
delete doc;
return pages;
}
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