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//
// Copyright (C) 2005 Novell, Inc. http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Author:
//
// Jordi Mas i Hernandez, jordimash@gmail.com
//
using System.Runtime.InteropServices;
using System.Collections;
using System.Drawing.Printing;
using System.ComponentModel;
using System.Text;
namespace System.Drawing.Printing
{
internal class PrintingServicesWin32 : PrintingServices
{
internal PrintingServicesWin32 ()
{
}
internal override void LoadPrinterSettings (string printer, PrinterSettings settings)
{
int ret;
settings.maximum_copies = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_COPIES, IntPtr.Zero, IntPtr.Zero);
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_DUPLEX, IntPtr.Zero, IntPtr.Zero);
settings.can_duplex = (ret == 1) ? true : false;
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_COLORDEVICE, IntPtr.Zero, IntPtr.Zero);
settings.supports_color = (ret == 1) ? true : false;
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_ORIENTATION, IntPtr.Zero, IntPtr.Zero);
if (ret != -1)
settings.landscape_angle = ret;
}
internal override void LoadPrinterResolutions (string printer, PrinterSettings settings)
{
int ret;
IntPtr ptr, buff = IntPtr.Zero;
settings.PrinterResolutions.Clear ();
LoadDefaultResolutions (settings.PrinterResolutions);
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_ENUMRESOLUTIONS, IntPtr.Zero, IntPtr.Zero);
if (ret == -1)
return;
ptr = buff = Marshal.AllocHGlobal (ret * 2 * Marshal.SizeOf (buff));
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_ENUMRESOLUTIONS, buff, IntPtr.Zero);
int x, y;
if (ret != -1) {
for (int i = 0; i < ret; i++) {
x = Marshal.ReadInt32 (ptr);
ptr = new IntPtr (ptr.ToInt64 () + Marshal.SizeOf (x));
y = Marshal.ReadInt32 (ptr);
ptr = new IntPtr (ptr.ToInt64 () + Marshal.SizeOf (y));
settings.PrinterResolutions.Add (new PrinterResolution
(x,y, PrinterResolutionKind.Custom));
}
}
Marshal.FreeHGlobal (buff);
}
internal override void LoadPrinterPaperSizes (string printer, PrinterSettings settings)
{
int items, ret;
IntPtr ptr_names, buff_names = IntPtr.Zero;
IntPtr ptr_sizes, buff_sizes = IntPtr.Zero;
IntPtr ptr_sizes_enum, buff_sizes_enum = IntPtr.Zero;
string name;
settings.PaperSizes.Clear ();
items = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_PAPERSIZE, IntPtr.Zero, IntPtr.Zero);
if (items == -1)
return;
ptr_sizes = buff_sizes = Marshal.AllocHGlobal (items * 2 * 4);
ptr_names = buff_names = Marshal.AllocHGlobal (items * 64 * 2);
ptr_sizes_enum = buff_sizes_enum = Marshal.AllocHGlobal (items * 2);
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_PAPERSIZE, buff_sizes, IntPtr.Zero);
if (ret == -1)
return;
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_PAPERS, buff_sizes_enum, IntPtr.Zero);
ret = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_PAPERNAMES, buff_names, IntPtr.Zero);
int x, y;
PaperSize ps;
PaperKind kind;
for (int i = 0; i < ret; i++) {
x = Marshal.ReadInt32 (ptr_sizes);
ptr_sizes = new IntPtr (ptr_sizes.ToInt64 () + 4);
y = Marshal.ReadInt32 (ptr_sizes);
ptr_sizes = new IntPtr (ptr_sizes.ToInt64 () + 4);
x = PrinterUnitConvert.Convert (x, PrinterUnit.TenthsOfAMillimeter,
PrinterUnit.Display);
y = PrinterUnitConvert.Convert (y, PrinterUnit.TenthsOfAMillimeter,
PrinterUnit.Display);
name = Marshal.PtrToStringUni (ptr_names);
ptr_names = new IntPtr (ptr_names.ToInt64 () + 64 * 2);
kind = (PaperKind) Marshal.ReadInt16 (ptr_sizes_enum);
ptr_sizes_enum = new IntPtr (ptr_sizes_enum.ToInt64 () + 2);
ps = new PaperSize (name, x,y);
ps.SetKind (kind);
settings.PaperSizes.Add (ps);
}
Marshal.FreeHGlobal (buff_names);
Marshal.FreeHGlobal (buff_sizes);
Marshal.FreeHGlobal (buff_sizes_enum);
}
internal override bool StartDoc (GraphicsPrinter gr, string doc_name, string output_file)
{
DOCINFO di = new DOCINFO ();
int ret;
di.cbSize = Marshal.SizeOf (di);
di.lpszDocName = Marshal.StringToHGlobalUni (doc_name);
di.lpszOutput = IntPtr.Zero;
di.lpszDatatype = IntPtr.Zero;
di.fwType = 0;
ret = Win32StartDoc (gr.Hdc, ref di);
Marshal.FreeHGlobal (di.lpszDocName);
return (ret > 0) ? true : false;
}
internal override bool StartPage (GraphicsPrinter gr)
{
int ret = Win32StartPage (gr.Hdc);
return (ret > 0) ? true : false;
}
internal override bool EndPage (GraphicsPrinter gr)
{
int ret = Win32EndPage (gr.Hdc);
return (ret > 0) ? true : false;
}
internal override bool EndDoc (GraphicsPrinter gr)
{
int ret = Win32EndDoc (gr.Hdc);
Win32DeleteDC (gr.Hdc);
gr.Graphics.Dispose ();
return (ret > 0) ? true : false;
}
internal override IntPtr CreateGraphicsContext (PrinterSettings settings)
{
IntPtr dc = IntPtr.Zero;
dc = Win32CreateDC (null, settings.PrinterName, null, IntPtr.Zero /* DEVMODE */);
return dc;
}
// Properties
internal override string DefaultPrinter {
get {
StringBuilder name = new StringBuilder (1024);
int length = name.Capacity;
Win32GetDefaultPrinter (name, ref length);
return name.ToString ();
}
}
internal override PrinterSettings.StringCollection InstalledPrinters {
get {
PrinterSettings.StringCollection col = new PrinterSettings.StringCollection (new string[] {});
PRINTER_INFO printer_info;
uint cbNeeded = 0, printers = 0;
IntPtr ptr, buff;
string s;
// Determine space need it
Win32EnumPrinters (2 /* PRINTER_ENUM_LOCAL */,
null, 2, IntPtr.Zero, 0, ref cbNeeded, ref printers);
ptr = buff = Marshal.AllocHGlobal ((int) cbNeeded);
// Give us the printer list
Win32EnumPrinters (2 /* PRINTER_ENUM_LOCAL */,
null, 2, buff, (uint)cbNeeded, ref cbNeeded, ref printers);
for (int i = 0; i < printers; i++) {
printer_info = (PRINTER_INFO) Marshal.PtrToStructure (ptr, typeof (PRINTER_INFO));
s = Marshal.PtrToStringUni (printer_info.pPrinterName);
col.Add (s);
ptr = new IntPtr (ptr.ToInt64 () + Marshal.SizeOf (printer_info));
}
Marshal.FreeHGlobal (buff);
return col;
}
}
//
// DllImports
//
[DllImport("winspool.drv", CharSet=CharSet.Unicode, EntryPoint="DeviceCapabilities", SetLastError=true)]
static extern int Win32DeviceCapabilities (string device, string port, DCCapabilities cap, IntPtr outputBuffer, IntPtr deviceMode);
[DllImport("winspool.drv", CharSet=CharSet.Unicode, EntryPoint="EnumPrinters", SetLastError=true)]
static extern int Win32EnumPrinters (int Flags, string Name, uint Level, IntPtr pPrinterEnum, uint cbBuf,
ref uint pcbNeeded, ref uint pcReturned);
[DllImport("winspool.drv", EntryPoint="GetDefaultPrinter", CharSet=CharSet.Unicode, SetLastError=true)]
private static extern int Win32GetDefaultPrinter (StringBuilder buffer, ref int bufferSize);
[DllImport("gdi32.dll", EntryPoint="CreateDC")]
static extern IntPtr Win32CreateDC (string lpszDriver, string lpszDevice,
string lpszOutput, IntPtr lpInitData);
[DllImport("gdi32.dll", CharSet=CharSet.Unicode, EntryPoint="StartDoc")]
static extern int Win32StartDoc (IntPtr hdc, [In] ref DOCINFO lpdi);
[DllImport("gdi32.dll", EntryPoint="StartPage")]
static extern int Win32StartPage (IntPtr hDC);
[DllImport("gdi32.dll", EntryPoint="EndPage")]
static extern int Win32EndPage (IntPtr hdc);
[DllImport("gdi32.dll", EntryPoint="EndDoc")]
static extern int Win32EndDoc (IntPtr hdc);
[DllImport("gdi32.dll", EntryPoint="DeleteDC")]
public static extern IntPtr Win32DeleteDC (IntPtr hDc);
//
// Structs
//
[StructLayout (LayoutKind.Sequential)]
internal struct PRINTER_INFO
{
public IntPtr pServerName;
public IntPtr pPrinterName;
public IntPtr pShareName;
public IntPtr pPortName;
public IntPtr pDriverName;
public IntPtr pComment;
public IntPtr pLocation;
public IntPtr pDevMode;
public IntPtr pSepFile;
public IntPtr pPrintProcessor;
public IntPtr pDatatype;
public IntPtr pParameters;
public IntPtr pSecurityDescriptor;
public uint Attributes;
public uint Priority;
public uint DefaultPriority;
public uint StartTime;
public uint UntilTime;
public uint Status;
public uint cJobs;
public uint AveragePPM;
}
[StructLayout (LayoutKind.Sequential)]
internal struct DOCINFO
{
public int cbSize;
public IntPtr lpszDocName;
public IntPtr lpszOutput;
public IntPtr lpszDatatype;
public int fwType;
}
// Enums
internal enum DCCapabilities : short
{
DC_FIELDS = 1,
DC_PAPERS = 2,
DC_PAPERSIZE = 3,
DC_MINEXTENT = 4,
DC_MAXEXTENT = 5,
DC_BINS = 6,
DC_DUPLEX = 7,
DC_SIZE = 8,
DC_EXTRA = 9,
DC_VERSION = 10,
DC_DRIVER = 11,
DC_BINNAMES = 12,
DC_ENUMRESOLUTIONS = 13,
DC_FILEDEPENDENCIES = 14,
DC_TRUETYPE = 15,
DC_PAPERNAMES = 16,
DC_ORIENTATION = 17,
DC_COPIES = 18,
DC_BINADJUST = 19,
DC_EMF_COMPLIANT = 20,
DC_DATATYPE_PRODUCED = 21,
DC_COLLATE = 22,
DC_MANUFACTURER = 23,
DC_MODEL = 24,
DC_PERSONALITY = 25,
DC_PRINTRATE = 26,
DC_PRINTRATEUNIT = 27,
DC_PRINTERMEM = 28,
DC_MEDIAREADY = 29,
DC_STAPLE = 30,
DC_PRINTRATEPPM = 31,
DC_COLORDEVICE = 32,
DC_NUP = 33
}
}
}
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