/// <summary>
/// Loads a printer's paper sizes. Returns the default PaperSize, and fills a list of paper_names for use in dialogues
/// </summary>
/// <param name="ppd_handle">PPD printer file handle</param>
/// <param name="settings">PrinterSettings object to fill</param>
/// <param name="def_size">Default paper size, from the global options of the printer</param>
/// <param name="paper_names">List of available paper sizes that gets filled</param>
private PaperSize LoadPrinterPaperSizes(IntPtr ppd_handle, PrinterSettings settings,
string def_size, NameValueCollection paper_names)
{
IntPtr ptr;
string real_name;
PPD_FILE ppd;
PPD_SIZE size;
PaperSize ps;
PaperSize defsize = new PaperSize("A4", 827, 1169, GetPaperKind(827, 1169), true);
ppd = (PPD_FILE)Marshal.PtrToStructure(ppd_handle, typeof(PPD_FILE));
ptr = ppd.sizes;
float w, h;
for (int i = 0; i < ppd.num_sizes; i++)
{
size = (PPD_SIZE)Marshal.PtrToStructure(ptr, typeof(PPD_SIZE));
real_name = paper_names[size.name];
w = size.width * 100 / 72;
h = size.length * 100 / 72;
PaperKind kind = GetPaperKind((int)w, (int)h);
ps = new PaperSize(real_name, (int)w, (int)h, kind, def_size == kind.ToString());
ps.SetKind(kind);
if (def_size == ps.Kind.ToString())
{
defsize = ps;
}
settings.paper_sizes.Add(ps);
ptr = (IntPtr)((long)ptr + Marshal.SizeOf(size));
}
return(defsize);
}
public object Clone()
{
// We do a deep copy
PrinterResolution pres = new PrinterResolution(this.printerResolution.X, this.printerResolution.Y, this.printerResolution.Kind);
PaperSource psource = new PaperSource(this.paperSource.SourceName, this.paperSource.Kind);
PaperSize psize = new PaperSize(this.paperSize.PaperName, this.paperSize.Width, this.paperSize.Height);
psize.SetKind(this.paperSize.Kind);
PageSettings ps = new PageSettings(this.printerSettings, this.color, this.landscape,
psize, psource, pres);
ps.Margins = (Margins)this.margins.Clone();
return(ps);
}
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;
if (settings.PaperSizes == null)
{
settings.PaperSizes = new PrinterSettings.PaperSizeCollection(new PaperSize [0]);
}
else
{
settings.PaperSizes.Clear();
}
items = Win32DeviceCapabilities(printer, null, DCCapabilities.DC_PAPERSIZE, IntPtr.Zero, IntPtr.Zero);
if (items == -1)
{
return;
}
try {
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)
{
// the finally clause will free the unmanaged memory before returning
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, i * 8);
y = Marshal.ReadInt32(ptr_sizes, (i * 8) + 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);
}
}
finally {
if (buff_names != IntPtr.Zero)
{
Marshal.FreeHGlobal(buff_names);
}
if (buff_sizes != IntPtr.Zero)
{
Marshal.FreeHGlobal(buff_sizes);
}
if (buff_sizes_enum != IntPtr.Zero)
{
Marshal.FreeHGlobal(buff_sizes_enum);
}
}
}
public object Clone ()
{
// We do a deep copy
PrinterResolution pres = new PrinterResolution (this.printerResolution.X, this.printerResolution.Y, this.printerResolution.Kind);
PaperSource psource = new PaperSource (this.paperSource.SourceName, this.paperSource.Kind);
PaperSize psize = new PaperSize (this.paperSize.PaperName, this.paperSize.Width, this.paperSize.Height);
psize.SetKind (this.paperSize.Kind);
PageSettings ps = new PageSettings (this.printerSettings, this.color, this.landscape,
psize, psource, pres);
ps.Margins = (Margins) this.margins.Clone ();
return ps;
}
/// <summary>
/// Loads a printer's paper sizes. Returns the default PaperSize, and fills a list of paper_names for use in dialogues
/// </summary>
/// <param name="ppd_handle">PPD printer file handle</param>
/// <param name="settings">PrinterSettings object to fill</param>
/// <param name="def_size">Default paper size, from the global options of the printer</param>
/// <param name="paper_names">List of available paper sizes that gets filled</param>
private PaperSize LoadPrinterPaperSizes(IntPtr ppd_handle, PrinterSettings settings,
string def_size, NameValueCollection paper_names)
{
IntPtr ptr;
string real_name;
PPD_FILE ppd;
PPD_SIZE size;
PaperSize ps;
PaperSize defsize = new PaperSize ("A4", 827, 1169, GetPaperKind (827, 1169), true);
ppd = (PPD_FILE) Marshal.PtrToStructure (ppd_handle, typeof (PPD_FILE));
ptr = ppd.sizes;
float w, h;
for (int i = 0; i < ppd.num_sizes; i++) {
size = (PPD_SIZE) Marshal.PtrToStructure (ptr, typeof (PPD_SIZE));
real_name = paper_names[size.name];
w = size.width * 100 / 72;
h = size.length * 100 / 72;
PaperKind kind = GetPaperKind ((int) w, (int) h);
ps = new PaperSize (real_name, (int) w, (int) h, kind, def_size == kind.ToString ());
ps.SetKind (kind);
if (def_size == ps.Kind.ToString ())
defsize = ps;
settings.paper_sizes.Add (ps);
ptr = (IntPtr) ((long)ptr + Marshal.SizeOf (size));
}
return defsize;
}
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;
if (settings.PaperSizes == null)
settings.paper_sizes = new PrinterSettings.PaperSizeCollection (new PaperSize [0]);
else
settings.PaperSizes.Clear ();
items = Win32DeviceCapabilities (printer, null, DCCapabilities.DC_PAPERSIZE, IntPtr.Zero, IntPtr.Zero);
if (items == -1)
return;
try {
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) {
// the finally clause will free the unmanaged memory before returning
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, i * 8);
y = Marshal.ReadInt32 (ptr_sizes, (i * 8) + 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);
}
}
finally {
if (buff_names != IntPtr.Zero)
Marshal.FreeHGlobal (buff_names);
if (buff_sizes != IntPtr.Zero)
Marshal.FreeHGlobal (buff_sizes);
if (buff_sizes_enum != IntPtr.Zero)
Marshal.FreeHGlobal (buff_sizes_enum);
}
}
