Add Postscript Printing

printing/pdf_render_settings.h

Index: printing/pdf_render_settings.h
diff --git a/printing/pdf_render_settings.h b/printing/pdf_render_settings.h
index d9e8f9e7801fe134fa689712a33a3eb4f4c9a9aa..445711113820416444c2af612591e0f1ace423d9 100644
--- a/printing/pdf_render_settings.h
+++ b/printing/pdf_render_settings.h
@@ -8,6 +8,7 @@
 #include "ipc/ipc_message_utils.h"
 #include "ipc/ipc_param_traits.h"
 #include "printing/printing_export.h"
+#include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/ipc/geometry/gfx_param_traits.h"
 #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h"
@@ -16,14 +17,33 @@ namespace printing {
 
 // Defining PDF rendering settings.
 struct PdfRenderSettings {
-  PdfRenderSettings() : dpi(0), autorotate(false) {}
-  PdfRenderSettings(gfx::Rect area, int dpi, bool autorotate)
-      : area(area), dpi(dpi), autorotate(autorotate) {}
+  enum class Mode : uint8_t {
+    NORMAL = 0,
+#if defined(OS_WIN)
+    GDI_TEXT,
+    POSTSCRIPT_LEVEL2,
+    POSTSCRIPT_LEVEL3,
+#endif
+  };
+
+  PdfRenderSettings() : dpi(0), autorotate(false), mode(Mode::NORMAL) {}
+  PdfRenderSettings(gfx::Rect area,
+                    gfx::Point offsets,
+                    int dpi,
+                    bool autorotate,
+                    Mode mode)
+      : area(area),
+        offsets(offsets),
+        dpi(dpi),
+        autorotate(autorotate),
+        mode(mode) {}
   ~PdfRenderSettings() {}
 
   gfx::Rect area;
+  gfx::Point offsets;
   int dpi;
   bool autorotate;
+  Mode mode;
 };
 
 }  // namespace printing
@@ -31,27 +51,37 @@ struct PdfRenderSettings {
 namespace IPC {
 template <>
 struct ParamTraits<printing::PdfRenderSettings> {
-  typedef printing::PdfRenderSettings param_type;
+  using param_type = printing::PdfRenderSettings;
   static void Write(base::Pickle* m, const param_type& p) {
     WriteParam(m, p.area);
+    WriteParam(m, p.offsets);
     WriteParam(m, p.dpi);
     WriteParam(m, p.autorotate);
+    WriteParam(m, static_cast<uint8_t>(p.mode));
   }
 
   static bool Read(const base::Pickle* m,
                    base::PickleIterator* iter,
                    param_type* r) {
-    return ReadParam(m, iter, &r->area) &&
-        ReadParam(m, iter, &r->dpi) &&
-        ReadParam(m, iter, &r->autorotate);
+    uint8_t mode = 0;
+    bool ret = ReadParam(m, iter, &r->area) &&
+               ReadParam(m, iter, &r->offsets) && ReadParam(m, iter, &r->dpi) &&
+               ReadParam(m, iter, &r->autorotate) && ReadParam(m, iter, &mode);
+    if (ret)
+      r->mode = static_cast<printing::PdfRenderSettings::Mode>(mode);
+    return ret;
   }
 
   static void Log(const param_type& p, std::string* l) {
     LogParam(p.area, l);
     l->append(", ");
+    LogParam(p.offsets, l);
+    l->append(", ");
     LogParam(p.dpi, l);
     l->append(", ");
     LogParam(p.autorotate, l);
+    l->append(", ");
+    LogParam(static_cast<uint8_t>(p.mode), l);
   }
 };