CEF4Delphi/source/uCEFPrintSettings.pas

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
//         https://www.briskbard.com/index.php?lang=en&pageid=cef
//
//        Copyright © 2017 Salvador Díaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
 *                       Delphi Chromium Embedded 3
 *
 * Usage allowed under the restrictions of the Lesser GNU General Public License
 * or alternatively the restrictions of the Mozilla Public License 1.1
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * Unit owner : Henri Gourvest <hgourvest@gmail.com>
 * Web site   : http://www.progdigy.com
 * Repository : http://code.google.com/p/delphichromiumembedded/
 * Group      : http://groups.google.com/group/delphichromiumembedded
 *
 * Embarcadero Technologies, Inc is not permitted to use or redistribute
 * this source code without explicit permission.
 *
 *)

unit uCEFPrintSettings;

{$IFNDEF CPUX64}
  {$ALIGN ON}
  {$MINENUMSIZE 4}
{$ENDIF}

{$I cef.inc}

interface

uses
  uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;

type
  TCefPrintSettingsRef = class(TCefBaseRefCountedRef, ICefPrintSettings)
  protected
    function IsValid: Boolean;
    function IsReadOnly: Boolean;
    function Copy: ICefPrintSettings;
    procedure SetOrientation(landscape: Boolean);
    function IsLandscape: Boolean;
    procedure SetPrinterPrintableArea(const physicalSizeDeviceUnits: PCefSize; const printableAreaDeviceUnits: PCefRect; landscapeNeedsFlip: Boolean); stdcall;
    procedure SetDeviceName(const name: ustring);
    function GetDeviceName: ustring;
    procedure SetDpi(dpi: Integer);
    function GetDpi: Integer;
    procedure SetPageRanges(const ranges: TCefRangeArray);
    function GetPageRangesCount: NativeUInt;
    procedure GetPageRanges(out ranges: TCefRangeArray);
    procedure SetSelectionOnly(selectionOnly: Boolean);
    function IsSelectionOnly: Boolean;
    procedure SetCollate(collate: Boolean);
    function WillCollate: Boolean;
    procedure SetColorModel(model: TCefColorModel);
    function GetColorModel: TCefColorModel;
    procedure SetCopies(copies: Integer);
    function GetCopies: Integer;
    procedure SetDuplexMode(mode: TCefDuplexMode);
    function GetDuplexMode: TCefDuplexMode;
  public
    class function New: ICefPrintSettings;
    class function UnWrap(data: Pointer): ICefPrintSettings;
  end;

implementation

uses
  uCEFMiscFunctions, uCEFLibFunctions;


function TCefPrintSettingsRef.Copy: ICefPrintSettings;
begin
  Result := UnWrap(PCefPrintSettings(FData).copy(FData))
end;

function TCefPrintSettingsRef.GetColorModel: TCefColorModel;
begin
  Result := PCefPrintSettings(FData).get_color_model(FData);
end;

function TCefPrintSettingsRef.GetCopies: Integer;
begin
  Result := PCefPrintSettings(FData).get_copies(FData);
end;

function TCefPrintSettingsRef.GetDeviceName: ustring;
begin
  Result := CefStringFreeAndGet(PCefPrintSettings(FData).get_device_name(FData));
end;

function TCefPrintSettingsRef.GetDpi: Integer;
begin
  Result := PCefPrintSettings(FData).get_dpi(FData);
end;

function TCefPrintSettingsRef.GetDuplexMode: TCefDuplexMode;
begin
  Result := PCefPrintSettings(FData).get_duplex_mode(FData);
end;

procedure TCefPrintSettingsRef.GetPageRanges(
  out ranges: TCefRangeArray);
var
  len: NativeUInt;
begin
  len := GetPageRangesCount;
  SetLength(ranges, len);
  if len > 0 then
    PCefPrintSettings(FData).get_page_ranges(FData, @len, @ranges[0]);
end;

function TCefPrintSettingsRef.GetPageRangesCount: NativeUInt;
begin
  Result := PCefPrintSettings(FData).get_page_ranges_count(FData);
end;

function TCefPrintSettingsRef.IsLandscape: Boolean;
begin
  Result := PCefPrintSettings(FData).is_landscape(FData) <> 0;
end;

function TCefPrintSettingsRef.IsReadOnly: Boolean;
begin
  Result := PCefPrintSettings(FData).is_read_only(FData) <> 0;
end;

function TCefPrintSettingsRef.IsSelectionOnly: Boolean;
begin
  Result := PCefPrintSettings(FData).is_selection_only(FData) <> 0;
end;

function TCefPrintSettingsRef.IsValid: Boolean;
begin
  Result := PCefPrintSettings(FData).is_valid(FData) <> 0;
end;

class function TCefPrintSettingsRef.New: ICefPrintSettings;
begin
  Result := UnWrap(cef_print_settings_create);
end;

procedure TCefPrintSettingsRef.SetCollate(collate: Boolean);
begin
  PCefPrintSettings(FData).set_collate(FData, Ord(collate));
end;

procedure TCefPrintSettingsRef.SetColorModel(model: TCefColorModel);
begin
  PCefPrintSettings(FData).set_color_model(FData, model);
end;

procedure TCefPrintSettingsRef.SetCopies(copies: Integer);
begin
  PCefPrintSettings(FData).set_copies(FData, copies);
end;

procedure TCefPrintSettingsRef.SetDeviceName(const name: ustring);
var
  s: TCefString;
begin
  s := CefString(name);
  PCefPrintSettings(FData).set_device_name(FData, @s);
end;

procedure TCefPrintSettingsRef.SetDpi(dpi: Integer);
begin
  PCefPrintSettings(FData).set_dpi(FData, dpi);
end;

procedure TCefPrintSettingsRef.SetDuplexMode(mode: TCefDuplexMode);
begin
  PCefPrintSettings(FData).set_duplex_mode(FData, mode);
end;

procedure TCefPrintSettingsRef.SetOrientation(landscape: Boolean);
begin
  PCefPrintSettings(FData).set_orientation(FData, Ord(landscape));
end;

procedure TCefPrintSettingsRef.SetPageRanges(
  const ranges: TCefRangeArray);
var
  len: NativeUInt;
begin
  len := Length(ranges);
  if len > 0 then
    PCefPrintSettings(FData).set_page_ranges(FData, len, @ranges[0]) else
    PCefPrintSettings(FData).set_page_ranges(FData, 0, nil);
end;

procedure TCefPrintSettingsRef.SetPrinterPrintableArea(
  const physicalSizeDeviceUnits: PCefSize;
  const printableAreaDeviceUnits: PCefRect; landscapeNeedsFlip: Boolean);
begin
  PCefPrintSettings(FData).set_printer_printable_area(FData, physicalSizeDeviceUnits,
    printableAreaDeviceUnits, Ord(landscapeNeedsFlip));
end;

procedure TCefPrintSettingsRef.SetSelectionOnly(selectionOnly: Boolean);
begin
  PCefPrintSettings(FData).set_selection_only(FData, Ord(selectionOnly));
end;

class function TCefPrintSettingsRef.UnWrap(
  data: Pointer): ICefPrintSettings;
begin
  if data <> nil then
    Result := Create(data) as ICefPrintSettings else
    Result := nil;
end;

function TCefPrintSettingsRef.WillCollate: Boolean;
begin
  Result := PCefPrintSettings(FData).will_collate(FData) <> 0;
end;

end.