implemented '-s detectspace' functionality

[swftools.git] / lib / pdf / pdf.cc

diff --git a/lib/pdf/pdf.cc b/lib/pdf/pdf.cc
index 189a05c..5cada51 100644 (file)
--- a/lib/pdf/pdf.cc
+++ b/lib/pdf/pdf.cc
@@ -1,3 +1,5 @@
+#include <stdio.h>
+#include <string.h>
 #include "../gfxdevice.h"
 #include "../gfxsource.h"
 #include "../devices/rescale.h"
@@ -14,8 +16,7 @@
 #include "../args.h"
 
 static double zoom = 72; /* xpdf: 86 */
-static int jpeg_dpi = 0;
-static int ppm_dpi = 0;
+static int zoomtowidth = 0;
 static int multiply = 1;
 static char* global_page_range = 0;
 
@@ -45,19 +46,20 @@ typedef struct _pdf_page_info
 
 typedef struct _pdf_doc_internal
 {
-    int config_bitmap_optimizing;
-    int config_full_bitmap_optimizing;
+    char config_bitmap_optimizing;
+    char config_full_bitmap_optimizing;
+    char config_print;
     parameterlist_t parameters;
 
     int protect;
     int nocopy;
+    int noprint;
     
     PDFDoc*doc;
     Object docinfo;
     InfoOutputDev*info;
 
     pdf_page_info_t*pages;
-    gfxdevice_t* middev;
     char*filename;
 
     /* page map */
@@ -133,6 +135,9 @@ static void render2(gfxpage_t*page, gfxdevice_t*dev, int x,int y, int x1,int y1,
     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);
@@ -150,6 +155,12 @@ static void render2(gfxpage_t*page, gfxdevice_t*dev, int x,int y, int x1,int y1,
        outputDev->setParameter(p->name, p->value);
        p = p->next;
     }
+    p = pi->parameters.device_config;
+    while(p) {
+       outputDev->setParameter(p->name, p->value);
+       p = p->next;
+    }
+
     outputDev->setPageMap(pi->pagemap, pi->pagemap_pos);
     outputDev->setMove(x,y);
     outputDev->setClip(x1,y1,x2,y2);
@@ -160,7 +171,7 @@ static void render2(gfxpage_t*page, gfxdevice_t*dev, int x,int y, int x1,int y1,
        gfxdevice_rescale_init(middev, 0x00000000, 0, 0, 1.0 / multiply);
         gfxdevice_rescale_setdevice(middev, dev);
        middev->setparameter(middev, "protect", "1");
-       dev = pi->middev;
+       dev = middev;
     } 
        
     if(!pi) {
@@ -178,15 +189,17 @@ static void render2(gfxpage_t*page, gfxdevice_t*dev, int x,int y, int x1,int y1,
     }
 
     outputDev->setDevice(dev);
-    pi->doc->displayPage((OutputDev*)outputDev, page->nr, zoom*multiply, zoom*multiply, /*rotate*/0, true, true, /*doLinks*/(int)1);
+    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);
     }
+
 }
 
     
@@ -274,6 +287,8 @@ void pdf_doc_set_parameter(gfxdocument_t*gfx, const char*name, const char*value)
         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 {
         storeDeviceParameter(&i->parameters, name, value);
     }
@@ -379,36 +394,37 @@ char* pdf_doc_getinfo(gfxdocument_t*doc, const char*name)
 }
 
 
+/* shortcut to InfoOutputDev.cc */
+extern int config_addspace;
+extern int config_fontquality;
+extern int config_bigchar;
+
 static void pdf_set_parameter(gfxsource_t*src, const char*name, const char*value)
 {
     gfxsource_internal_t*i = (gfxsource_internal_t*)src->internal;
-    parameterlist_t*p = &i->parameters;
+
     msg("<verbose> setting parameter %s to \"%s\"", name, value);
     if(!strncmp(name, "fontdir", strlen("fontdir"))) {
         addGlobalFontDir(value);
+    } 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);
-       sprintf(buf, "%f", (double)jpeg_dpi/(double)zoom);
-       storeDeviceParameter(p, "jpegsubpixels", buf);
-       sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
-       storeDeviceParameter(p, "ppmsubpixels", buf);
-    } else if(!strcmp(name, "jpegdpi")) {
-       char buf[80];
-       jpeg_dpi = atoi(value);
-       sprintf(buf, "%f", (double)jpeg_dpi/(double)zoom);
-       storeDeviceParameter(p, "jpegsubpixels", buf);
-    } else if(!strcmp(name, "ppmdpi")) {
-       char buf[80];
-       ppm_dpi = atoi(value);
-       sprintf(buf, "%f", (double)ppm_dpi/(double)zoom);
-       storeDeviceParameter(p, "ppmsubpixels", buf);
+    } 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")) {
@@ -424,6 +440,12 @@ static void pdf_set_parameter(gfxsource_t*src, const char*name, const char*value
     }  
 }
 
+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;
@@ -438,7 +460,7 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
     i->filename = strdup(filename);
 
     char*x = 0;
-    if((x = strchr(filename, '|'))) {
+    if((x = strchr((char*)filename, '|'))) {
        *x = 0;
        userPassword = x+1;
     }
@@ -470,9 +492,20 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
           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;
@@ -480,7 +513,7 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
     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, /*doLinks*/(int)1);
+           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;
@@ -500,8 +533,8 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
     pdf_doc->set_parameter = pdf_doc_set_parameter;
     pdf_doc->getinfo = pdf_doc_getinfo;
     pdf_doc->getpage = pdf_doc_getpage;
-
-
+    pdf_doc->prepare = pdf_doc_prepare;
+    
     return pdf_doc;
 
 }