--- /dev/null
+#include "../gfxdevice.h"
+#include "../gfxsource.h"
+#include "../log.h"
+#include "GlobalParams.h"
+#include "InfoOutputDev.h"
+#include "GFXOutputDev.h"
+#include "../mem.h"
+#include "pdf.h"
+
+static parameter_t* device_config = 0;
+static parameter_t* device_config_next = 0;
+
+int jpeg_dpi = 0;
+int ppm_dpi = 0;
+
+static double zoom = 72; /* xpdf: 86 */
+
+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;
+} pdf_page_info_t;
+
+typedef struct _pdf_doc_internal
+{
+ int protect;
+ PDFDoc*doc;
+ InfoOutputDev*info;
+ GFXOutputDev*outputDev;
+ pdf_page_info_t*pages;
+} pdf_doc_internal_t;
+
+typedef struct _pdf_page_internal
+{
+} pdf_page_internal_t;
+
+typedef struct _dev_output_internal
+{
+ GFXOutputDev*outputDev;
+} dev_output_internal_t;
+
+
+static 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;
+}
+
+void render2(gfxpage_t*page, gfxdevice_t*output)
+{
+ pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
+
+ if(!pi) {
+ msg("<fatal> pdf_page_render: Parent PDF this page belongs to doesn't exist yet/anymore");
+ return;
+ }
+
+ if(pi->protect) {
+ gfxdevice_t*dev = pi->outputDev->device;
+ dev->setparameter(dev, "protect", "1");
+ }
+ pi->outputDev->setInfo(pi->info);
+ pi->outputDev->setXRef(pi->doc, pi->doc->getXRef());
+ pi->doc->displayPage((OutputDev*)pi->outputDev, page->nr, zoom, zoom, /*rotate*/0, true, true, /*doLinks*/(int)1);
+}
+
+
+void pdfpage_render(gfxpage_t*page, gfxdevice_t*output)
+{
+ pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
+ pi->outputDev->setDevice(output);
+ pi->outputDev->setMove(0,0);
+ pi->outputDev->setClip(0,0,0,0);
+ render2(page, output);
+ pi->outputDev->setDevice(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)
+{
+ int x1=(int)_x1,y1=(int)_y1,x2=(int)_x2,y2=(int)_y2;
+ pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
+ pi->outputDev->setDevice(output);
+ pi->outputDev->setMove((int)x,(int)y);
+ if((x1|y1|x2|y2)==0) x2++;
+ pi->outputDev->setClip((int)x1,(int)y1,(int)x2,(int)y2);
+ render2(page, output);
+ pi->outputDev->setDevice(0);
+}
+
+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->info) {
+ delete i->info;i->info=0;
+ }
+
+ free(gfx->internal);gfx->internal=0;
+ free(gfx);gfx=0;
+}
+
+void pdf_doc_set_parameter(gfxdocument_t*gfx, char*name, char*value)
+{
+ pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
+ if(!strcmp(name, "pagemap")) {
+ GFXOutputDev*o = i->outputDev;
+ int pdfpage=0, outputpage=0;
+ sscanf(value,"%d:%d", &pdfpage, &outputpage);
+ o->preparePage(pdfpage, outputpage);
+ } else {
+ msg("<warning> Ignored parameter: %s=%s", 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;
+}
+
+void storeDeviceParameter(char*name, char*value)
+{
+ parameter_t*p = new parameter_t();
+ p->name = strdup(name);
+ p->value = strdup(value);
+ p->next = 0;
+ if(device_config_next) {
+ device_config_next->next = p;
+ device_config_next = p;
+ } else {
+ device_config = p;
+ device_config_next = p;
+ }
+}
+
+void pdf_set_parameter(char*name, char*value)
+{
+ msg("<verbose> setting parameter %s to \"%s\"", name, value);
+ if(!strncmp(name, "fontdir", strlen("fontdir"))) {
+ addGlobalFontDir(value);
+ } else if(!strncmp(name, "font", strlen("font"))) {
+ addGlobalFont(value);
+ } else if(!strncmp(name, "languagedir", strlen("languagedir"))) {
+ addGlobalLanguageDir(value);
+ } else if(!strcmp(name, "zoom")) {
+ char buf[80];
+ zoom = atof(value);
+ sprintf(buf, "%f", (double)jpeg_dpi/(double)zoom);
+ storeDeviceParameter("jpegsubpixels", buf);
+ sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
+ storeDeviceParameter("ppmsubpixels", buf);
+ } else if(!strcmp(name, "jpegdpi")) {
+ char buf[80];
+ jpeg_dpi = atoi(value);
+ sprintf(buf, "%f", (double)jpeg_dpi/(double)zoom);
+ storeDeviceParameter("jpegsubpixels", buf);
+ } else if(!strcmp(name, "ppmdpi")) {
+ char buf[80];
+ ppm_dpi = atoi(value);
+ sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
+ storeDeviceParameter("ppmsubpixels", buf);
+ } else {
+ storeDeviceParameter(name,value);
+ }
+}
+
+static void printInfoString(Dict *infoDict, char *key, char *fmt) {
+ Object obj;
+ GString *s1, *s2;
+ int i;
+
+ if (infoDict->lookup(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;
+ }
+ }
+ printf(fmt, s2->getCString());
+ delete s2;
+ } else {
+ printf(fmt, s1->getCString());
+ }
+ }
+ obj.free();
+}
+
+static void printInfoDate(Dict *infoDict, char *key, char *fmt) {
+ Object obj;
+ char *s;
+
+ if (infoDict->lookup(key, &obj)->isString()) {
+ s = obj.getString()->getCString();
+ if (s[0] == 'D' && s[1] == ':') {
+ s += 2;
+ }
+ printf(fmt, s);
+ }
+ obj.free();
+}
+
+
+
+gfxdocument_t*pdf_open(char*filename)
+{
+ 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));
+ pdf_doc->internal = i;
+ char*userPassword;
+
+ filename = strdup(filename);
+
+ char*x = 0;
+ if((x = strchr(filename, '|'))) {
+ *x = 0;
+ userPassword = x+1;
+ }
+
+ GString *fileName = new GString(filename);
+ GString *userPW;
+ Object info;
+
+ // read config file
+ if(!globalParams)
+ globalParams = new GlobalParams("");
+
+ // 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;
+ }
+
+ // print doc info
+ i->doc->getDocInfo(&info);
+ if (info.isDict() &&
+ (getScreenLogLevel()>=LOGLEVEL_NOTICE)) {
+ printInfoString(info.getDict(), "Title", "Title: %s\n");
+ printInfoString(info.getDict(), "Subject", "Subject: %s\n");
+ printInfoString(info.getDict(), "Keywords", "Keywords: %s\n");
+ printInfoString(info.getDict(), "Author", "Author: %s\n");
+ printInfoString(info.getDict(), "Creator", "Creator: %s\n");
+ printInfoString(info.getDict(), "Producer", "Producer: %s\n");
+ printInfoDate(info.getDict(), "CreationDate", "CreationDate: %s\n");
+ printInfoDate(info.getDict(), "ModDate", "ModDate: %s\n");
+ printf("Pages: %d\n", i->doc->getNumPages());
+ printf("Linearized: %s\n", i->doc->isLinearized() ? "yes" : "no");
+ printf("Encrypted: ");
+ if (i->doc->isEncrypted()) {
+ printf("yes (print:%s copy:%s change:%s addNotes:%s)\n",
+ i->doc->okToPrint() ? "yes" : "no",
+ i->doc->okToCopy() ? "yes" : "no",
+ i->doc->okToChange() ? "yes" : "no",
+ i->doc->okToAddNotes() ? "yes" : "no");
+ } else {
+ printf("no\n");
+ }
+ }
+ info.free();
+
+ pdf_doc->num_pages = i->doc->getNumPages();
+ i->protect = 0;
+ if (i->doc->isEncrypted()) {
+ if(!i->doc->okToCopy()) {
+ printf("PDF disallows copying.\n");
+ return 0;
+ }
+ if(!i->doc->okToChange() || !i->doc->okToAddNotes())
+ i->protect = 1;
+ }
+
+ InfoOutputDev*io = new InfoOutputDev();
+ int t;
+ i->pages = (pdf_page_info_t*)malloc(sizeof(pdf_page_info_t)*pdf_doc->num_pages);
+ for(t=1;t<=pdf_doc->num_pages;t++) {
+ i->doc->displayPage((OutputDev*)io, t, zoom, zoom, /*rotate*/0, /*usemediabox*/true, /*crop*/true, /*doLinks*/(int)1);
+ i->pages[t-1].xMin = io->x1;
+ i->pages[t-1].yMin = io->y1;
+ i->pages[t-1].xMax = io->x2;
+ i->pages[t-1].yMax = io->y2;
+ i->pages[t-1].width = io->x2 - io->x1;
+ i->pages[t-1].height = io->y2 - io->y1;
+ i->pages[t-1].number_of_images = io->num_images;
+ i->pages[t-1].number_of_links = io->num_links;
+ i->pages[t-1].number_of_fonts = io->num_fonts;
+ }
+ i->info = io;
+ i->outputDev = new GFXOutputDev(device_config);
+
+ pdf_doc->get = 0;
+ pdf_doc->destroy = pdf_doc_destroy;
+ pdf_doc->set_parameter = pdf_doc_set_parameter;
+ pdf_doc->getpage = pdf_doc_getpage;
+
+
+ return pdf_doc;
+
+}
+
+gfxsource_t*gfxsource_pdf_create()
+{
+ gfxsource_t*src = (gfxsource_t*)malloc(sizeof(gfxsource_t));
+ memset(src, 0, sizeof(gfxsource_t));
+ src->set_parameter = pdf_set_parameter;
+ src->open = pdf_open;
+ return src;
+}
git.asbjorn.biz / swftools.git / blobdiff