added gfxfilter for merging fonts

[swftools.git] / src / pdf2swf.c

diff --git a/src/pdf2swf.c b/src/pdf2swf.c
index c7a804e..e333eb3 100644 (file)
--- a/src/pdf2swf.c
+++ b/src/pdf2swf.c
@@ -72,6 +72,8 @@ static int max_time = 0;
 
 static int flatten = 0;
 
+static char* filters = 0;
+
 char* fontpaths[256];
 int fontpathpos = 0;
 
@@ -335,6 +337,20 @@ int args_callback_option(char*name,char*val) {
        store_parameter("extrafontdata", "1");
        return 0;
     }
+    else if (!strcmp(name, "ff"))
+    {
+       if(filters) {
+           // append this to the current filter expression (we allow more than one --filter)
+           int l = strlen(filters);
+           int new_len = l + strlen(val) + 2;
+           filters = (char*)realloc(filters, new_len);
+           filters[l] = ':';
+           strcpy(filters+l+1, val);
+       } else {
+           filters = strdup(val);
+       }
+       return 1;
+    }
     else if (!strcmp(name, "w"))
     {
        store_parameter("linksopennewwindow", "0");
@@ -455,6 +471,7 @@ static struct options_t options[] = {
 {"t", "stop"},
 {"T", "flashversion"},
 {"F", "fontdir"},
+{"ff", "filter"},
 {"b", "defaultviewer"},
 {"l", "defaultloader"},
 {"B", "viewer"},
@@ -589,6 +606,16 @@ gfxdevice_t*create_output_device()
         out = &rescale;
     }
 
+    if(filters) {
+       gfxfilterchain_t*chain = gfxfilterchain_parse(filters);
+       if(!chain) {
+           fprintf(stderr, "Unable to parse filters: %s\n", filters);
+           exit(1);
+       }
+       out = gfxfilterchain_apply(chain, out);
+       gfxfilterchain_destroy(chain);
+    }
+
     /* pass global parameters to output device */
     parameter_t*p = device_config;
     while(p) {
@@ -888,6 +915,9 @@ int main(int argn, char *argv[])
        p->next = 0;free(p);
        p = next;
     }
+    if(filters) {
+       free(filters);
+    }
 
     return 0;
 }