1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "printing/print_settings_initializer_mac.h" 6 7 #include "base/strings/sys_string_conversions.h" 8 #include "printing/print_settings.h" 9 #include "printing/units.h" 10 11 namespace printing { 12 13 // static 14 void PrintSettingsInitializerMac::InitPrintSettings( 15 PMPrinter printer, 16 PMPageFormat page_format, 17 PrintSettings* print_settings) { 18 print_settings->set_device_name( 19 base::SysCFStringRefToUTF16(PMPrinterGetID(printer))); 20 21 PMOrientation orientation = kPMPortrait; 22 PMGetOrientation(page_format, &orientation); 23 print_settings->SetOrientation(orientation == kPMLandscape); 24 25 UInt32 resolution_count = 0; 26 PMResolution best_resolution = { 72.0, 72.0 }; 27 OSStatus status = PMPrinterGetPrinterResolutionCount(printer, 28 &resolution_count); 29 if (status == noErr) { 30 // Resolution indexes are 1-based. 31 for (uint32 i = 1; i <= resolution_count; ++i) { 32 PMResolution resolution; 33 PMPrinterGetIndexedPrinterResolution(printer, i, &resolution); 34 if (resolution.hRes > best_resolution.hRes) 35 best_resolution = resolution; 36 } 37 } 38 int dpi = best_resolution.hRes; 39 print_settings->set_dpi(dpi); 40 41 DCHECK_EQ(dpi, best_resolution.vRes); 42 43 // Get printable area and paper rects (in points) 44 PMRect page_rect, paper_rect; 45 PMGetAdjustedPageRect(page_format, &page_rect); 46 PMGetAdjustedPaperRect(page_format, &paper_rect); 47 48 // Device units are in points. Units per inch is 72. 49 gfx::Size physical_size_device_units( 50 (paper_rect.right - paper_rect.left), 51 (paper_rect.bottom - paper_rect.top)); 52 gfx::Rect printable_area_device_units( 53 (page_rect.left - paper_rect.left), 54 (page_rect.top - paper_rect.top), 55 (page_rect.right - page_rect.left), 56 (page_rect.bottom - page_rect.top)); 57 58 DCHECK_EQ(print_settings->device_units_per_inch(), kPointsPerInch); 59 print_settings->SetPrinterPrintableArea(physical_size_device_units, 60 printable_area_device_units, 61 false); 62 } 63 64 } // namespace printing 65
