1 #include "../gfxdevice.h"
2 #include "../gfxsource.h"
5 #include "GlobalParams.h"
6 #include "InfoOutputDev.h"
7 #include "GFXOutputDev.h"
13 static parameter_t* device_config = 0;
14 static parameter_t* device_config_next = 0;
19 static double zoom = 72; /* xpdf: 86 */
21 static char* global_page_range = 0;
23 typedef struct _pdf_page_info
25 int xMin, yMin, xMax, yMax;
33 typedef struct _pdf_doc_internal
39 GFXOutputDev*outputDev;
40 pdf_page_info_t*pages;
43 typedef struct _pdf_page_internal
45 } pdf_page_internal_t;
47 typedef struct _dev_output_internal
49 GFXOutputDev*outputDev;
50 } dev_output_internal_t;
53 static char* dirseparator()
63 void pdfpage_destroy(gfxpage_t*pdf_page)
65 pdf_page_internal_t*i= (pdf_page_internal_t*)pdf_page->internal;
66 free(pdf_page->internal);pdf_page->internal = 0;
67 free(pdf_page);pdf_page=0;
70 void render2(gfxpage_t*page, gfxdevice_t*output)
72 pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
75 msg("<fatal> pdf_page_render: Parent PDF this page belongs to doesn't exist yet/anymore");
79 if(!pi->pages[page->nr-1].has_info) {
80 msg("<fatal> pdf_page_render: page %d was previously set as not-to-render via the \"pages\" option", page->nr);
85 gfxdevice_t*dev = pi->outputDev->device;
86 dev->setparameter(dev, "protect", "1");
88 pi->outputDev->setInfo(pi->info);
89 pi->outputDev->setXRef(pi->doc, pi->doc->getXRef());
90 pi->doc->displayPage((OutputDev*)pi->outputDev, page->nr, zoom, zoom, /*rotate*/0, true, true, /*doLinks*/(int)1);
91 pi->doc->processLinks((OutputDev*)pi->outputDev, page->nr);
95 void pdfpage_render(gfxpage_t*page, gfxdevice_t*output)
97 pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
98 pi->outputDev->setDevice(output);
99 pi->outputDev->setMove(0,0);
100 pi->outputDev->setClip(0,0,0,0);
101 render2(page, output);
102 pi->outputDev->setDevice(0);
105 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)
107 int x1=(int)_x1,y1=(int)_y1,x2=(int)_x2,y2=(int)_y2;
108 pdf_doc_internal_t*pi = (pdf_doc_internal_t*)page->parent->internal;
109 pi->outputDev->setDevice(output);
110 pi->outputDev->setMove((int)x,(int)y);
111 if((x1|y1|x2|y2)==0) x2++;
112 pi->outputDev->setClip((int)x1,(int)y1,(int)x2,(int)y2);
113 render2(page, output);
114 pi->outputDev->setDevice(0);
117 void pdf_doc_destroy(gfxdocument_t*gfx)
119 pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
121 delete i->doc; i->doc=0;
122 free(i->pages); i->pages = 0;
127 delete i->info;i->info=0;
130 free(gfx->internal);gfx->internal=0;
133 if(global_page_range) {
134 free(global_page_range);
135 global_page_range = 0;
139 void pdf_doc_set_parameter(gfxdocument_t*gfx, char*name, char*value)
141 pdf_doc_internal_t*i= (pdf_doc_internal_t*)gfx->internal;
142 if(!strcmp(name, "pagemap")) {
143 GFXOutputDev*o = i->outputDev;
144 int pdfpage=0, outputpage=0;
145 sscanf(value,"%d:%d", &pdfpage, &outputpage);
146 o->preparePage(pdfpage, outputpage);
148 msg("<warning> Ignored parameter: %s=%s", name, value);
152 gfxpage_t* pdf_doc_getpage(gfxdocument_t*doc, int page)
154 pdf_doc_internal_t*di= (pdf_doc_internal_t*)doc->internal;
156 if(page < 1 || page > doc->num_pages)
159 gfxpage_t* pdf_page = (gfxpage_t*)malloc(sizeof(gfxpage_t));
160 pdf_page_internal_t*pi= (pdf_page_internal_t*)malloc(sizeof(pdf_page_internal_t));
161 memset(pi, 0, sizeof(pdf_page_internal_t));
162 pdf_page->internal = pi;
164 pdf_page->destroy = pdfpage_destroy;
165 pdf_page->render = pdfpage_render;
166 pdf_page->rendersection = pdfpage_rendersection;
167 pdf_page->width = di->pages[page-1].width;
168 pdf_page->height = di->pages[page-1].height;
170 pdf_page->parent = doc;
175 static char*getInfoString(Dict *infoDict, char *key)
181 if (infoDict->lookup(key, &obj)->isString()) {
182 s1 = obj.getString();
183 if ((s1->getChar(0) & 0xff) == 0xfe &&
184 (s1->getChar(1) & 0xff) == 0xff) {
186 for (i = 2; i < obj.getString()->getLength(); i += 2) {
187 if (s1->getChar(i) == '\0') {
188 s2->append(s1->getChar(i+1));
191 s2 = new GString("<unicode>");
195 char*ret = strdup(s2->getCString());
200 char*ret = strdup(s1->getCString());
208 static char*getInfoDate(Dict *infoDict, char *key)
213 if (infoDict->lookup(key, &obj)->isString()) {
214 s = obj.getString()->getCString();
215 if (s[0] == 'D' && s[1] == ':') {
218 char*ret = strdup(s);
225 char* pdf_doc_getinfo(gfxdocument_t*doc, char*name)
227 pdf_doc_internal_t*i= (pdf_doc_internal_t*)doc->internal;
228 if(!strcmp(name, "title")) return getInfoString(i->docinfo.getDict(), "Title");
229 else if(!strcmp(name, "subject")) return getInfoString(i->docinfo.getDict(), "Subject");
230 else if(!strcmp(name, "keywords")) return getInfoString(i->docinfo.getDict(), "Keywords");
231 else if(!strcmp(name, "author")) return getInfoString(i->docinfo.getDict(), "Author");
232 else if(!strcmp(name, "creator")) return getInfoString(i->docinfo.getDict(), "Creator");
233 else if(!strcmp(name, "producer")) return getInfoString(i->docinfo.getDict(), "Producer");
234 else if(!strcmp(name, "creationdate")) return getInfoDate(i->docinfo.getDict(), "CreationDate");
235 else if(!strcmp(name, "moddate")) return getInfoDate(i->docinfo.getDict(), "ModDate");
236 else if(!strcmp(name, "linearized")) return strdup(i->doc->isLinearized() ? "yes" : "no");
237 else if(!strcmp(name, "encrypted")) return strdup(i->doc->isEncrypted() ? "yes" : "no");
238 else if(!strcmp(name, "oktoprint")) return strdup(i->doc->okToPrint() ? "yes" : "no");
239 else if(!strcmp(name, "oktocopy")) return strdup(i->doc->okToCopy() ? "yes" : "no");
240 else if(!strcmp(name, "oktochange")) return strdup(i->doc->okToChange() ? "yes" : "no");
241 else if(!strcmp(name, "oktoaddnotes")) return strdup(i->doc->okToAddNotes() ? "yes" : "no");
246 void storeDeviceParameter(char*name, char*value)
248 parameter_t*p = new parameter_t();
249 p->name = strdup(name);
250 p->value = strdup(value);
252 if(device_config_next) {
253 device_config_next->next = p;
254 device_config_next = p;
257 device_config_next = p;
261 void pdf_set_parameter(char*name, char*value)
263 msg("<verbose> setting parameter %s to \"%s\"", name, value);
264 if(!strncmp(name, "fontdir", strlen("fontdir"))) {
265 addGlobalFontDir(value);
266 } else if(!strcmp(name, "pages")) {
267 global_page_range = strdup(value);
268 } else if(!strncmp(name, "font", strlen("font"))) {
269 addGlobalFont(value);
270 } else if(!strncmp(name, "languagedir", strlen("languagedir"))) {
271 addGlobalLanguageDir(value);
272 } else if(!strcmp(name, "zoom")) {
275 sprintf(buf, "%f", (double)jpeg_dpi/(double)zoom);
276 storeDeviceParameter("jpegsubpixels", buf);
277 sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
278 storeDeviceParameter("ppmsubpixels", buf);
279 } else if(!strcmp(name, "jpegdpi")) {
281 jpeg_dpi = atoi(value);
282 sprintf(buf, "%f", (double)jpeg_dpi/(double)zoom);
283 storeDeviceParameter("jpegsubpixels", buf);
284 } else if(!strcmp(name, "ppmdpi")) {
286 ppm_dpi = atoi(value);
287 sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
288 storeDeviceParameter("ppmsubpixels", buf);
290 storeDeviceParameter(name,value);
294 gfxdocument_t*pdf_open(char*filename)
296 gfxdocument_t*pdf_doc = (gfxdocument_t*)malloc(sizeof(gfxdocument_t));
297 memset(pdf_doc, 0, sizeof(gfxdocument_t));
298 pdf_doc_internal_t*i= (pdf_doc_internal_t*)malloc(sizeof(pdf_doc_internal_t));
299 memset(i, 0, sizeof(pdf_doc_internal_t));
300 pdf_doc->internal = i;
303 filename = strdup(filename);
306 if((x = strchr(filename, '|'))) {
311 GString *fileName = new GString(filename);
316 globalParams = new GlobalParams("");
319 if (userPassword && userPassword[0]) {
320 userPW = new GString(userPassword);
324 i->doc = new PDFDoc(fileName, userPW);
328 if (!i->doc->isOk()) {
329 printf("xpdf reports document as broken.\n");
334 i->doc->getDocInfo(&i->docinfo);
336 pdf_doc->num_pages = i->doc->getNumPages();
338 if (i->doc->isEncrypted()) {
339 if(!i->doc->okToCopy()) {
340 printf("PDF disallows copying.\n");
343 if(!i->doc->okToChange() || !i->doc->okToAddNotes())
347 InfoOutputDev*io = new InfoOutputDev();
349 i->pages = (pdf_page_info_t*)malloc(sizeof(pdf_page_info_t)*pdf_doc->num_pages);
350 memset(i->pages,0,sizeof(pdf_page_info_t)*pdf_doc->num_pages);
351 for(t=1;t<=pdf_doc->num_pages;t++) {
352 if(!global_page_range || is_in_range(t, global_page_range)) {
353 i->doc->displayPage((OutputDev*)io, t, zoom, zoom, /*rotate*/0, /*usemediabox*/true, /*crop*/true, /*doLinks*/(int)1);
354 i->doc->processLinks((OutputDev*)io, t);
355 i->pages[t-1].xMin = io->x1;
356 i->pages[t-1].yMin = io->y1;
357 i->pages[t-1].xMax = io->x2;
358 i->pages[t-1].yMax = io->y2;
359 i->pages[t-1].width = io->x2 - io->x1;
360 i->pages[t-1].height = io->y2 - io->y1;
361 i->pages[t-1].number_of_images = io->num_images;
362 i->pages[t-1].number_of_links = io->num_links;
363 i->pages[t-1].number_of_fonts = io->num_fonts;
364 i->pages[t-1].has_info = 1;
368 i->outputDev = new GFXOutputDev(device_config);
371 pdf_doc->destroy = pdf_doc_destroy;
372 pdf_doc->set_parameter = pdf_doc_set_parameter;
373 pdf_doc->getinfo = pdf_doc_getinfo;
374 pdf_doc->getpage = pdf_doc_getpage;
381 gfxsource_t*gfxsource_pdf_create()
383 gfxsource_t*src = (gfxsource_t*)malloc(sizeof(gfxsource_t));
384 memset(src, 0, sizeof(gfxsource_t));
385 src->set_parameter = pdf_set_parameter;
386 src->open = pdf_open;