Extract creation of PWG Raster converter settings out of privet_http_impl

chrome/browser/local_discovery/pwg_raster_converter.cc

Index: chrome/browser/local_discovery/pwg_raster_converter.cc
diff --git a/chrome/browser/local_discovery/pwg_raster_converter.cc b/chrome/browser/local_discovery/pwg_raster_converter.cc
index 40f3b0e3c39d723e5fd4734e8fdbf60c39668578..11b6c317ca32294b876ae8cb8bd6db040d9dc1ee 100644
--- a/chrome/browser/local_discovery/pwg_raster_converter.cc
+++ b/chrome/browser/local_discovery/pwg_raster_converter.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/local_discovery/pwg_raster_converter.h"
 
+#include <algorithm>
+
 #include "base/bind_helpers.h"
 #include "base/cancelable_callback.h"
 #include "base/files/file.h"
@@ -12,12 +14,17 @@
 #include "base/logging.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/chrome_utility_printing_messages.h"
+#include "components/cloud_devices/common/cloud_device_description.h"
+#include "components/cloud_devices/common/printer_description.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/browser/utility_process_host_client.h"
 #include "printing/pdf_render_settings.h"
 #include "printing/pwg_raster_settings.h"
+#include "printing/units.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace local_discovery {
 
@@ -283,4 +290,70 @@ scoped_ptr<PWGRasterConverter> PWGRasterConverter::CreateDefault() {
   return scoped_ptr<PWGRasterConverter>(new PWGRasterConverterImpl());
 }
 
+// static
+printing::PdfRenderSettings PWGRasterConverter::GetConversionSettings(
+    const cloud_devices::CloudDeviceDescription& printer_capabilities,
+    const gfx::Size& page_size) {
+  int dpi = printing::kDefaultPdfDpi;
+  cloud_devices::printer::DpiCapability dpis;
+  if (dpis.LoadFrom(printer_capabilities))
+    dpi = std::max(dpis.GetDefault().horizontal, dpis.GetDefault().vertical);
+
+  double scale = dpi;
+  scale /= printing::kPointsPerInch;
+
+  // Make vertical rectangle to optimize streaming to printer. Fix orientation
+  // by autorotate.
+  gfx::Rect area(std::min(page_size.width(), page_size.height()) * scale,
+                 std::max(page_size.width(), page_size.height()) * scale);
+  return printing::PdfRenderSettings(area, dpi, true /* autorotate */);
+}
+
+// static
+printing::PwgRasterSettings PWGRasterConverter::GetBitmapSettings(
+    const cloud_devices::CloudDeviceDescription& printer_capabilities,
+    const cloud_devices::CloudDeviceDescription& ticket) {
+  printing::PwgRasterSettings result;
+  cloud_devices::printer::PwgRasterConfigCapability raster_capability;
+  // If the raster capability fails to load, raster_capability will contain
+  // the default value.
+  raster_capability.LoadFrom(printer_capabilities);
+
+  cloud_devices::printer::DuplexTicketItem duplex_item;
+  cloud_devices::printer::DuplexType duplex_value =
+      cloud_devices::printer::NO_DUPLEX;
+
+  cloud_devices::printer::DocumentSheetBack document_sheet_back =
+      raster_capability.value().document_sheet_back;
+
+  if (duplex_item.LoadFrom(ticket)) {
+    duplex_value = duplex_item.value();
+  }
+
+  result.odd_page_transform = printing::TRANSFORM_NORMAL;
+  switch (duplex_value) {
+    case cloud_devices::printer::NO_DUPLEX:
+      result.odd_page_transform = printing::TRANSFORM_NORMAL;
+      break;
+    case cloud_devices::printer::LONG_EDGE:
+      if (document_sheet_back == cloud_devices::printer::ROTATED) {
+        result.odd_page_transform = printing::TRANSFORM_ROTATE_180;
+      } else if (document_sheet_back == cloud_devices::printer::FLIPPED) {
+        result.odd_page_transform = printing::TRANSFORM_FLIP_VERTICAL;
+      }
+      break;
+    case cloud_devices::printer::SHORT_EDGE:
+      if (document_sheet_back == cloud_devices::printer::MANUAL_TUMBLE) {
+        result.odd_page_transform = printing::TRANSFORM_ROTATE_180;
+      } else if (document_sheet_back == cloud_devices::printer::FLIPPED) {
+        result.odd_page_transform = printing::TRANSFORM_FLIP_HORIZONTAL;
+      }
+  }
+
+  result.rotate_all_pages = raster_capability.value().rotate_all_pages;
+
+  result.reverse_page_order = raster_capability.value().reverse_order_streaming;
+  return result;
+}
+
 }  // namespace local_discovery