Add Postscript Printing

chrome/common/chrome_utility_printing_messages.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message file, so no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 14 matching lines @@
 
 #define IPC_MESSAGE_START ChromeUtilityPrintingMsgStart
 
 // Preview and Cloud Print messages.
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 IPC_ENUM_TRAITS_MAX_VALUE(printing::PdfRenderSettings::Mode,
                           printing::PdfRenderSettings::Mode::LAST)
 
 IPC_STRUCT_TRAITS_BEGIN(printing::PdfRenderSettings)
   IPC_STRUCT_TRAITS_MEMBER(area)
+  IPC_STRUCT_TRAITS_MEMBER(offsets)
   IPC_STRUCT_TRAITS_MEMBER(dpi)
   IPC_STRUCT_TRAITS_MEMBER(autorotate)
   IPC_STRUCT_TRAITS_MEMBER(mode)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
   IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
   IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
   IPC_STRUCT_TRAITS_MEMBER(printer_defaults)
   IPC_STRUCT_TRAITS_MEMBER(defaults_mime_type)
@@ skipping 68 matching lines @@
                      IPC::PlatformFileForTransit /* input_file */,
                      printing::PdfRenderSettings /* settings */)
 
 // Requests conversion of the next page.
 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToMetafiles_GetPage,
                      int /* page_number */,
                      IPC::PlatformFileForTransit /* output_file */)
 
 // Requests utility process to stop conversion and exit.
 IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_RenderPDFPagesToMetafiles_Stop)
-#endif  // ENABLE_PRINTING && OS_WIN
+
+// Tell the utility process to start rendering the given PDF into PS.
+// Utility process would be alive until
+// ChromeUtilityMsg_RenderPDFPagesToPostScript_Stop message.
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToPostScript_Start,
+                     IPC::PlatformFileForTransit /* input_file */,
+                     printing::PdfRenderSettings /* settings */)
+
+// Requests conversion of the next page.
+IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RenderPDFPagesToPostScript_GetPage,
+                     int /* page_number */,
+                     IPC::PlatformFileForTransit /* output_file */)
+
+// Requests utility process to stop conversion and exit.
+IPC_MESSAGE_CONTROL0(ChromeUtilityMsg_RenderPDFPagesToPostScript_Stop)
+#endif  //  BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN)
 
 //------------------------------------------------------------------------------
 // Utility process host messages:
 // These are messages from the utility process to the browser.
 
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Reply when the utility process has succeeded in rendering the PDF to PWG.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_RenderPDFPagesToPWGRaster_Succeeded)
 
 // Reply when an error occurred rendering the PDF to PWG.
@@ skipping 28 matching lines @@
 // Reply when the utility process loaded PDF. |page_count| is 0, if loading
 // failed.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageCount,
                      int /* page_count */)
 
 // Reply when the utility process rendered the PDF page.
 IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_RenderPDFPagesToMetafiles_PageDone,
                      bool /* success */,
                      float /* scale_factor */)
 
+// Reply when the utility process loaded PDF. |page_count| is 0, if loading
+// failed.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToPostScript_PageCount,
+                     int /* page_count */)
+
+// Reply when the utility process rendered the PDF page.
+IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_RenderPDFPagesToPostScript_PageDone,
+                     bool /* success */)
+
 // Request that the given font characters be loaded by the browser so it's
 // cached by the OS. Please see
 // PdfToEmfUtilityProcessHostClient::OnPreCacheFontCharacters for details.
 IPC_SYNC_MESSAGE_CONTROL2_0(ChromeUtilityHostMsg_PreCacheFontCharacters,
                             LOGFONT /* font_data */,
                             base::string16 /* characters */)
 
 #endif  // ENABLE_PRINTING && OS_WIN