allow to overload old global parameters

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

diff --git a/lib/pdf/pdf.cc b/lib/pdf/pdf.cc
index 7d13c7b..965919a 100644 (file)
--- a/lib/pdf/pdf.cc
+++ b/lib/pdf/pdf.cc
@@ -34,6 +34,7 @@ typedef struct _pdf_page_info
 typedef struct _pdf_doc_internal
 {
     int protect;
+    int nocopy;
     PDFDoc*doc;
     Object docinfo;
     InfoOutputDev*info;
@@ -187,6 +188,10 @@ gfxpage_t* pdf_doc_getpage(gfxdocument_t*doc, int page)
 
     if(page < 1 || page > doc->num_pages)
         return 0;
+    if(di->nocopy) {
+        msg("<error> PDF disallows copying.");
+        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));
@@ -283,10 +288,21 @@ char* pdf_doc_getinfo(gfxdocument_t*doc, const char*name)
 
 static void storeDeviceParameter(const char*name, const char*value)
 {
+    parameter_t*o = device_config;
+    while(o) {
+        if(!strcmp(name, o->name)) {
+            /* overwrite old value */
+            free(o->value);
+            o->value = strdup(value);
+            return;
+        }
+        o = o->next;
+    }
     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;
@@ -387,8 +403,7 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
     i->protect = 0;
     if (i->doc->isEncrypted()) {
           if(!i->doc->okToCopy()) {
-              printf("PDF disallows copying.\n");
-              return 0;
+              i->nocopy = 1;
           }
           if(!i->doc->okToChange() || !i->doc->okToAddNotes())
               i->protect = 1;
@@ -422,7 +437,6 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
        GFXOutputDev*outputDev = new GFXOutputDev(i->info, i->doc);
        i->outputDev = (CommonOutputDev*)outputDev;
     }
-
     /* pass global parameters to PDF driver*/
     parameter_t*p = device_config;
     while(p) {