/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- dirseparator
- pdfpage_destroy
- render2
- pdfpage_render
- pdfpage_rendersection
- pdf_doc_destroy
- add_page_to_map
- pdf_doc_setparameter
- pdf_doc_getpage
- getInfoString
- getInfoDate
- pdf_doc_getinfo
- pdf_setparameter
- pdf_doc_prepare
- pdf_open
- pdf_destroy
- gfxsource_pdf_create
#include <stdio.h>
#include <string.h>
#include "../gfxdevice.h"
#include "../gfxsource.h"
#include "../devices/rescale.h"
#include "../log.h"
#include "config.h"
#include "GlobalParams.h"
#include "InfoOutputDev.h"
#include "GFXOutputDev.h"
#include "FullBitmapOutputDev.h"
#include "BitmapOutputDev.h"
#include "../mem.h"
#include "pdf.h"
#define NO_ARGPARSER
#include "../args.h"
static double zoom = 72; /* xpdf: 86 */
static int zoomtowidth = 0;
static int multiply = 1;
static char* global_page_range = 0;
static int globalparams_count=0;
typedef struct _pdf_page_info
{
int xMin, yMin, xMax, yMax;
int width,height;
int number_of_images;
int number_of_links;
int number_of_fonts;
char has_info;
} pdf_page_info_t;
typedef struct _pdf_doc_internal
{
char config_bitmap_optimizing;
char config_full_bitmap_optimizing;
char config_print;
gfxparams_t* parameters;
int protect;
int nocopy;
int noprint;
PDFDoc*doc;
Object docinfo;
InfoOutputDev*info;
pdf_page_info_t*pages;
char*filename;
/* page map */
int*pagemap;
int pagemap_size;
int pagemap_pos;
gfxsource_t*parent;
} pdf_doc_internal_t;
typedef struct _pdf_page_internal
{
} pdf_page_internal_t;
typedef struct _dev_output_internal
{
CommonOutputDev*outputDev;
} dev_output_internal_t;
typedef struct _gfxsource_internal
{
gfxparams_t* parameters;
} gfxsource_internal_t;
static const char* dirseparator()
{
#ifdef WIN32
return "\\";
#else
return "/";
#endif
}
void pdfpage_destroy(gfxpage_t*pdf_page)
{
pdf_page_internal_t*i= (pdf_page_internal_t*)pdf_page->internal;
free(pdf_page->internal);pdf_page->internal = 0;
free(pdf_page);pdf_page=0;
}
static void render2(gfxpage_t*page, gfxdevice_t*dev, int x,int y, int x1,int y1,int x2,int y2)
{
pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
gfxsource_internal_t*i = (gfxsource_internal_t*)pi->parent->internal;
if(!pi->config_print && pi->nocopy) {msg("<fatal> PDF disallows copying");exit(0);}
if(pi->config_print && pi->noprint) {msg("<fatal> PDF disallows printing");exit(0);}
CommonOutputDev*outputDev = 0;
if(pi->config_full_bitmap_optimizing) {
FullBitmapOutputDev*d = new FullBitmapOutputDev(pi->info, pi->doc);
outputDev = (CommonOutputDev*)d;
} else if(pi->config_bitmap_optimizing) {
BitmapOutputDev*d = new BitmapOutputDev(pi->info, pi->doc);
outputDev = (CommonOutputDev*)d;
} else {
GFXOutputDev*d = new GFXOutputDev(pi->info, pi->doc);
outputDev = (CommonOutputDev*)d;
}
/* pass global parameters to PDF driver*/
gfxparam_t*p = i->parameters->params;
while(p) {
outputDev->setParameter(p->key, p->value);
p = p->next;
}
p = pi->parameters->params;
while(p) {
outputDev->setParameter(p->key, p->value);
p = p->next;
}
outputDev->setPageMap(pi->pagemap, pi->pagemap_pos);
outputDev->setMove(x,y);
outputDev->setClip(x1,y1,x2,y2);
gfxdevice_t* middev=0;
if(multiply>1) {
middev = (gfxdevice_t*)malloc(sizeof(gfxdevice_t));
gfxdevice_rescale_init(middev, 0x00000000, 0, 0, 1.0 / multiply);
gfxdevice_rescale_setdevice(middev, dev);
middev->setparameter(middev, "protect", "1");
dev = middev;
}
if(!pi) {
msg("<fatal> pdf_page_render: Parent PDF this page belongs to doesn't exist yet/anymore");
return;
}
if(!pi->pages[page->nr-1].has_info) {
msg("<fatal> pdf_page_render: page %d was previously set as not-to-render via the \"pages\" option", page->nr);
return;
}
if(pi->protect) {
dev->setparameter(dev, "protect", "1");
}
outputDev->setDevice(dev);
pi->doc->displayPage((OutputDev*)outputDev, page->nr, zoom*multiply, zoom*multiply, /*rotate*/0, true, true, pi->config_print);
pi->doc->processLinks((OutputDev*)outputDev, page->nr);
outputDev->finishPage();
outputDev->setDevice(0);
delete outputDev;
if(middev) {
gfxdevice_rescale_setdevice(middev, 0x00000000);
middev->finish(middev);
}
}
void pdfpage_render(gfxpage_t*page, gfxdevice_t*output)
{
pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
render2(page, output, 0,0, 0,0,0,0);
}
void pdfpage_rendersection(gfxpage_t*page, gfxdevice_t*output, gfxcoord_t x, gfxcoord_t y, gfxcoord_t _x1, gfxcoord_t _y1, gfxcoord_t _x2, gfxcoord_t _y2)
{
pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
int x1=(int)_x1,y1=(int)_y1,x2=(int)_x2,y2=(int)_y2;
if((x1|y1|x2|y2)==0) x2++;
render2(page, output, (int)x*multiply,(int)y*multiply,
(int)x1*multiply,(int)y1*multiply,(int)x2*multiply,(int)y2*multiply);
}
void pdf_doc_destroy(gfxdocument_t*gfx)
{
pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
delete i->doc; i->doc=0;
free(i->pages); i->pages = 0;
if(i->pagemap) {
free(i->pagemap);
}
i->docinfo.free();
if(i->filename) {
free(i->filename);i->filename=0;
}
if(i->info) {
delete i->info;i->info=0;
}
if(i->parameters) {
gfxparams_free(i->parameters);
i->parameters=0;
}
free(gfx->internal);gfx->internal=0;
free(gfx);gfx=0;
if(global_page_range) {
free(global_page_range);
global_page_range = 0;
}
/*globalparams_count--;
if(!globalparams_count) {
delete globalParams;
globalParams = 0;
globalparams_count = 0;
}*/
}
static void add_page_to_map(gfxdocument_t*gfx, int pdfpage, int outputpage)
{
pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
if(pdfpage < 0)
return;
if(pdfpage >= i->pagemap_size) {
int oldlen = i->pagemap_size;
i->pagemap_size = oldlen + 1024;
if(pdfpage > i->pagemap_size)
i->pagemap_size = pdfpage+1;
if(i->pages) {
i->pagemap = (int*)malloc(i->pagemap_size*sizeof(int));
} else {
i->pagemap = (int*)realloc(i->pages, i->pagemap_size*sizeof(int));
}
memset(&i->pagemap[oldlen], -1, (i->pagemap_size-oldlen)*sizeof(int));
}
i->pagemap[pdfpage] = outputpage;
if(pdfpage > i->pagemap_pos)
i->pagemap_pos = pdfpage;
}
void pdf_doc_setparameter(gfxdocument_t*gfx, const char*name, const char*value)
{
pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
if(!strcmp(name, "pagemap")) {
int pdfpage=0, outputpage=0;
sscanf(value,"%d:%d", &pdfpage, &outputpage);
add_page_to_map(gfx, pdfpage, outputpage);
} else if(!strcmp(name, "poly2bitmap")) {
i->config_bitmap_optimizing = atoi(value);
} else if(!strcmp(name, "bitmapfonts") || !strcmp(name, "bitmap")) {
i->config_full_bitmap_optimizing = atoi(value);
} else if(!strcmp(name, "asprint")) {
i->config_print = 1;
} else {
gfxparams_store(i->parameters, name, value);
}
}
gfxpage_t* pdf_doc_getpage(gfxdocument_t*doc, int page)
{
pdf_doc_internal_t*di= (pdf_doc_internal_t*)doc->internal;
if(page < 1 || page > doc->num_pages)
return 0;
gfxpage_t* pdf_page = (gfxpage_t*)malloc(sizeof(gfxpage_t));
pdf_page_internal_t*pi= (pdf_page_internal_t*)malloc(sizeof(pdf_page_internal_t));
memset(pi, 0, sizeof(pdf_page_internal_t));
pdf_page->internal = pi;
pdf_page->destroy = pdfpage_destroy;
pdf_page->render = pdfpage_render;
pdf_page->rendersection = pdfpage_rendersection;
pdf_page->width = di->pages[page-1].width;
pdf_page->height = di->pages[page-1].height;
pdf_page->parent = doc;
pdf_page->nr = page;
return pdf_page;
}
static char*getInfoString(Dict *infoDict, const char *key)
{
Object obj;
GString *s1, *s2;
int i;
if (infoDict && infoDict->lookup((char*)key, &obj)->isString()) {
s1 = obj.getString();
if ((s1->getChar(0) & 0xff) == 0xfe &&
(s1->getChar(1) & 0xff) == 0xff) {
s2 = new GString();
for (i = 2; i < obj.getString()->getLength(); i += 2) {
if (s1->getChar(i) == '\0') {
s2->append(s1->getChar(i+1));
} else {
delete s2;
s2 = new GString("<unicode>");
break;
}
}
char*ret = strdup(s2->getCString());
delete s2;
obj.free();
return ret;
} else {
char*ret = strdup(s1->getCString());
obj.free();
return ret;
}
}
return strdup("");
}
static char*getInfoDate(Dict *infoDict, const char *key)
{
Object obj;
char *s;
if (infoDict && infoDict->lookup((char*)key, &obj)->isString()) {
s = obj.getString()->getCString();
if (s[0] == 'D' && s[1] == ':') {
s += 2;
}
char*ret = strdup(s);
obj.free();
return ret;
}
return strdup("");
}
char* pdf_doc_getinfo(gfxdocument_t*doc, const char*name)
{
pdf_doc_internal_t*i= (pdf_doc_internal_t*)doc->internal;
if(!strcmp(name, "title")) return getInfoString(i->docinfo.getDict(), "Title");
else if(!strcmp(name, "subject")) return getInfoString(i->docinfo.getDict(), "Subject");
else if(!strcmp(name, "keywords")) return getInfoString(i->docinfo.getDict(), "Keywords");
else if(!strcmp(name, "author")) return getInfoString(i->docinfo.getDict(), "Author");
else if(!strcmp(name, "creator")) return getInfoString(i->docinfo.getDict(), "Creator");
else if(!strcmp(name, "producer")) return getInfoString(i->docinfo.getDict(), "Producer");
else if(!strcmp(name, "creationdate")) return getInfoDate(i->docinfo.getDict(), "CreationDate");
else if(!strcmp(name, "moddate")) return getInfoDate(i->docinfo.getDict(), "ModDate");
else if(!strcmp(name, "linearized")) return strdup(i->doc->isLinearized() ? "yes" : "no");
else if(!strcmp(name, "tagged")) return strdup(i->doc->getStructTreeRoot()->isDict() ? "yes" : "no");
else if(!strcmp(name, "encrypted")) return strdup(i->doc->isEncrypted() ? "yes" : "no");
else if(!strcmp(name, "oktoprint")) return strdup(i->doc->okToPrint() ? "yes" : "no");
else if(!strcmp(name, "oktocopy")) return strdup(i->doc->okToCopy() ? "yes" : "no");
else if(!strcmp(name, "oktochange")) return strdup(i->doc->okToChange() ? "yes" : "no");
else if(!strcmp(name, "oktoaddnotes")) return strdup(i->doc->okToAddNotes() ? "yes" : "no");
else if(!strcmp(name, "version")) {
char buf[32];
sprintf(buf, "%.1f", i->doc->getPDFVersion());
return strdup(buf);
}
return strdup("");
}
/* shortcut to InfoOutputDev.cc */
extern int config_addspace;
extern int config_fontquality;
extern int config_bigchar;
static void pdf_setparameter(gfxsource_t*src, const char*name, const char*value)
{
gfxsource_internal_t*i = (gfxsource_internal_t*)src->internal;
gfxparams_store(i->parameters, name, value);
msg("<verbose> setting parameter %s to \"%s\"", name, value);
if(!strncmp(name, "fontdir", strlen("fontdir"))) {
addGlobalFontDir(value);
} else if(!strcmp(name, "addspacechars")) {
config_addspace = atoi(value);
gfxparams_store(i->parameters, "detectspaces", "0");
} else if(!strcmp(name, "detectspaces")) {
config_addspace = atoi(value);
} else if(!strcmp(name, "fontquality")) {
config_fontquality = atoi(value);
} else if(!strcmp(name, "bigchar")) {
config_bigchar = atoi(value);
} else if(!strcmp(name, "pages")) {
global_page_range = strdup(value);
} else if(!strncmp(name, "font", strlen("font")) && name[4]!='q') {
addGlobalFont(value);
} else if(!strncmp(name, "languagedir", strlen("languagedir"))) {
addGlobalLanguageDir(value);
} else if(!strcmp(name, "zoomtowidth")) {
zoomtowidth = atoi(value);
} else if(!strcmp(name, "zoom")) {
char buf[80];
zoom = atof(value);
} else if(!strcmp(name, "jpegdpi") || !strcmp(name, "ppmdpi")) {
msg("<error> %s not supported anymore. Please use jpegsubpixels/ppmsubpixels");
} else if(!strcmp(name, "multiply")) {
multiply = atoi(value);
} else if(!strcmp(name, "help")) {
printf("\nPDF device global parameters:\n");
printf("fontdir=<dir> a directory with additional fonts\n");
printf("font=<filename> an additional font filename\n");
printf("pages=<range> the range of pages to convert (example: pages=1-100,210-)\n");
printf("zoom=<dpi> the resultion (default: 72)\n");
printf("languagedir=<dir> Add an xpdf language directory\n");
printf("multiply=<times> Render everything at <times> the resolution\n");
printf("poly2bitmap Convert graphics to bitmaps\n");
printf("bitmap Convert everything to bitmaps\n");
}
}
void pdf_doc_prepare(gfxdocument_t*doc, gfxdevice_t*dev)
{
pdf_doc_internal_t*i= (pdf_doc_internal_t*)doc->internal;
i->info->dumpfonts(dev);
}
static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
{
gfxsource_internal_t*isrc = (gfxsource_internal_t*)src->internal;
gfxdocument_t*pdf_doc = (gfxdocument_t*)malloc(sizeof(gfxdocument_t));
memset(pdf_doc, 0, sizeof(gfxdocument_t));
pdf_doc_internal_t*i= (pdf_doc_internal_t*)malloc(sizeof(pdf_doc_internal_t));
memset(i, 0, sizeof(pdf_doc_internal_t));
i->parent = src;
i->parameters = gfxparams_new();
pdf_doc->internal = i;
char*userPassword=0;
i->filename = strdup(filename);
char*x = 0;
if((x = strchr((char*)filename, '|'))) {
*x = 0;
userPassword = x+1;
}
GString *fileName = new GString(filename);
GString *userPW;
// open PDF file
if (userPassword && userPassword[0]) {
userPW = new GString(userPassword);
} else {
userPW = NULL;
}
i->doc = new PDFDoc(fileName, userPW);
if (userPW) {
delete userPW;
}
if (!i->doc->isOk()) {
return 0;
}
// get doc info
i->doc->getDocInfo(&i->docinfo);
pdf_doc->num_pages = i->doc->getNumPages();
i->protect = 0;
if (i->doc->isEncrypted()) {
if(!i->doc->okToCopy()) {
i->nocopy = 1;
}
if(!i->doc->okToPrint()) {
i->noprint = 1;
}
if(!i->doc->okToChange() || !i->doc->okToAddNotes())
i->protect = 1;
}
if(zoomtowidth && i->doc->getNumPages()) {
Page*page = i->doc->getCatalog()->getPage(1);
PDFRectangle *r = page->getCropBox();
double width_before = r->x2 - r->x1;
zoom = 72.0 * zoomtowidth / width_before;
msg("<notice> Rendering at %f DPI. (Page width at 72 DPI: %f, target width: %d)", zoom, width_before, zoomtowidth);
}
i->info = new InfoOutputDev(i->doc->getXRef());
int t;
i->pages = (pdf_page_info_t*)malloc(sizeof(pdf_page_info_t)*pdf_doc->num_pages);
memset(i->pages,0,sizeof(pdf_page_info_t)*pdf_doc->num_pages);
for(t=1;t<=pdf_doc->num_pages;t++) {
if(!global_page_range || is_in_range(t, global_page_range)) {
i->doc->displayPage((OutputDev*)i->info, t, zoom, zoom, /*rotate*/0, /*usemediabox*/true, /*crop*/true, i->config_print);
i->doc->processLinks((OutputDev*)i->info, t);
i->pages[t-1].xMin = i->info->x1;
i->pages[t-1].yMin = i->info->y1;
i->pages[t-1].xMax = i->info->x2;
i->pages[t-1].yMax = i->info->y2;
i->pages[t-1].width = i->info->x2 - i->info->x1;
i->pages[t-1].height = i->info->y2 - i->info->y1;
i->pages[t-1].number_of_images = i->info->num_ppm_images + i->info->num_jpeg_images;
i->pages[t-1].number_of_links = i->info->num_links;
i->pages[t-1].number_of_fonts = i->info->num_fonts;
i->pages[t-1].has_info = 1;
}
}
pdf_doc->get = 0;
pdf_doc->destroy = pdf_doc_destroy;
pdf_doc->setparameter = pdf_doc_setparameter;
pdf_doc->getinfo = pdf_doc_getinfo;
pdf_doc->getpage = pdf_doc_getpage;
pdf_doc->prepare = pdf_doc_prepare;
/* pass global parameters to PDF driver*/
gfxparam_t*p = isrc->parameters->params;
while(p) {
pdf_doc->setparameter(pdf_doc, p->key, p->value);
p = p->next;
}
return pdf_doc;
}
void pdf_destroy(gfxsource_t*src)
{
if(!src->internal)
return;
gfxsource_internal_t*i = (gfxsource_internal_t*)src->internal;
gfxparams_free(i->parameters);
i->parameters=0;
free(src->internal);src->internal=0;
delete globalParams;globalParams = 0;
free(src);
}
gfxsource_t*gfxsource_pdf_create()
{
gfxsource_t*src = (gfxsource_t*)malloc(sizeof(gfxsource_t));
memset(src, 0, sizeof(gfxsource_t));
src->setparameter = pdf_setparameter;
src->open = pdf_open;
src->destroy = pdf_destroy;
gfxsource_internal_t*i = (gfxsource_internal_t*)rfx_calloc(sizeof(gfxsource_internal_t));
src->internal = (void*)i;
i->parameters = gfxparams_new();
if(!globalParams) {
globalParams = new GFXGlobalParams();
//globalparams_count++;
}
return src;
}