implemented '-s detectspace' functionality

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

diff --git a/lib/pdf/pdf.cc b/lib/pdf/pdf.cc
index 4a90bf5..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;
 
@@ -393,36 +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")) {
@@ -458,7 +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;
     }
@@ -496,6 +498,14 @@ static gfxdocument_t*pdf_open(gfxsource_t*src, const char*filename)
           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;