Rasterize page before printing.

chrome/browser/printing/printing_message_filter.cc

Index: chrome/browser/printing/printing_message_filter.cc
diff --git a/chrome/browser/printing/printing_message_filter.cc b/chrome/browser/printing/printing_message_filter.cc
index c5250805c731b1e75ce67c2ff2b1ebd70bf73c80..bf72b357fd87dcddd69cdf428ef052f864f3b93f 100644
--- a/chrome/browser/printing/printing_message_filter.cc
+++ b/chrome/browser/printing/printing_message_filter.cc
@@ -7,7 +7,10 @@
 #include <string>
 
 #include "base/bind.h"
+#include "base/command_line.h"
 #include "base/process_util.h"
+#include "base/string_number_conversions.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/printer_query.h"
 #include "chrome/browser/printing/print_job_manager.h"
@@ -72,6 +75,22 @@ void RenderParamsFromPrintSettings(const printing::PrintSettings& settings,
   params->selection_only = settings.selection_only;
   params->supports_alpha_blend = settings.supports_alpha_blend();
 
+  const CommandLine* cmdline = CommandLine::ForCurrentProcess();
+  if (cmdline)  {
+    if (cmdline->HasSwitch(switches::kPrintRaster))
+      params->raster_type = PrintMsg_Print_Params::RASTER_ALL;
+    else if (cmdline->HasSwitch(switches::kPrintRasterPlugins))
+      params->raster_type = PrintMsg_Print_Params::RASTER_PLUGINS;

[Albert Bodenhamer, 2012/08/20 18:18:10]

Do we need different modes?  Is there a need to have anything more than
everything or nothing?

[Vitaly Buka (NO REVIEWS), 2012/08/21 19:40:54]

Done.

+    else
+      params->raster_type = PrintMsg_Print_Params::RASTER_NONE;
+    int raster_size = 0;
+    if (base::StringToInt(cmdline->GetSwitchValueASCII(switches::kPrintRasterSize),

[Albert Bodenhamer, 2012/08/20 18:18:10]

Line len

[Vitaly Buka (NO REVIEWS), 2012/08/21 19:40:54]

Done.

+      &raster_size) &&
+      raster_size > 0) {
+        params->raster_size = raster_size;

[Albert Bodenhamer, 2012/08/20 18:18:10]

I'm reluctant to make the size settable.  Can we calculate it somehow?

[Vitaly Buka (NO REVIEWS), 2012/08/21 19:40:54]

Done.

+    }
+  }
+
   params->display_header_footer = settings.display_header_footer;
   if (!settings.display_header_footer)
     return;