// Ravindra (rkumar@novell.com)
//
// Copyright (C) 2004 Ximian, Inc. (http://www.ximian.com)
-//
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2004, 2006 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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-using System;
using System.Runtime.Serialization;
using System.Runtime.InteropServices;
+using System.Security.Permissions;
using System.ComponentModel;
namespace System.Drawing
public sealed class Font : MarshalByRefObject, ISerializable, ICloneable, IDisposable
{
private IntPtr fontObject = IntPtr.Zero;
+ private string systemFontName;
+ private float _size;
+
+ private const byte DefaultCharSet = 1;
+ private static int CharSetOffset = -1;
+ private static int FaceNameOffset = -1;
+
+ private void CreateFont (string familyName, float emSize, FontStyle style, GraphicsUnit unit, byte charSet, bool isVertical)
+ {
+#if ONLY_1_1
+ if (familyName == null)
+ throw new ArgumentNullException ("familyName");
+#endif
+ FontFamily family;
+ // NOTE: If family name is null, empty or invalid,
+ // MS creates Microsoft Sans Serif font.
+ try {
+ family = new FontFamily (familyName);
+ }
+ catch (Exception){
+ family = FontFamily.GenericSansSerif;
+ }
+
+ setProperties (family, emSize, style, unit, charSet, isVertical);
+ Status status = GDIPlus.GdipCreateFont (family.NativeObject, emSize, style, unit, out fontObject);
+ GDIPlus.CheckStatus (status);
+ }
private Font (SerializationInfo info, StreamingContext context)
{
+ string name;
+ float size;
+ FontStyle style;
+ GraphicsUnit unit;
+
+ name = (string)info.GetValue("Name", typeof(string));
+ size = (float)info.GetValue("Size", typeof(float));
+ style = (FontStyle)info.GetValue("Style", typeof(FontStyle));
+ unit = (GraphicsUnit)info.GetValue("Unit", typeof(GraphicsUnit));
+
+ CreateFont(name, size, style, unit, DefaultCharSet, false);
}
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
{
+ info.AddValue("Name", Name);
+ info.AddValue("Size", Size);
+ info.AddValue("Style", Style);
+ info.AddValue("Unit", Unit);
}
~Font()
public void Dispose ()
{
if (fontObject != IntPtr.Zero) {
- lock (this)
- {
- GDIPlus.CheckStatus (GDIPlus.GdipDeleteFont (fontObject));
- }
+ Status status = GDIPlus.GdipDeleteFont (fontObject);
+ fontObject = IntPtr.Zero;
GC.SuppressFinalize (this);
+ // check the status code (throw) at the last step
+ GDIPlus.CheckStatus (status);
}
}
internal void setProperties (FontFamily family, float emSize, FontStyle style, GraphicsUnit unit, byte charSet, bool isVertical)
{
_name = family.Name;
- _fontFamily = family;
+ _fontFamily = family;
_size = emSize;
// MS throws ArgumentException, if unit is set to GraphicsUnit.Display
{
OperatingSystem osInfo = Environment.OSVersion;
IntPtr newObject;
- IntPtr hdc;
- IntPtr oldFont;
+ IntPtr hdc;
FontStyle newStyle = FontStyle.Regular;
float newSize;
- LOGFONTA lf = new LOGFONTA ();
+ LOGFONT lf = new LOGFONT ();
// Sanity. Should we throw an exception?
if (Hfont == IntPtr.Zero) {
return(result);
}
- if ((int) osInfo.Platform == 128) {
- // If we're on Unix we use our private gdiplus API to avoid Wine
- // dependencies in S.D
-
- lock (typeof (Font))
- {
- Status s = GDIPlus.GdipCreateFontFromHfont (Hfont, out newObject, ref lf);
- GDIPlus.CheckStatus (s);
- }
+ if ((int) osInfo.Platform == 128 || (int) osInfo.Platform == 4) {
+ // If we're on Unix we use our private gdiplus API to avoid Wine
+ // dependencies in S.D
+ Status s = GDIPlus.GdipCreateFontFromHfont (Hfont, out newObject, ref lf);
+ GDIPlus.CheckStatus (s);
} else {
// This needs testing
newStyle = FontStyle.Regular;
- lock (typeof (Font))
- {
- hdc = GDIPlus.GetDC (IntPtr.Zero);
- oldFont = GDIPlus.SelectObject (hdc, Hfont);
- GDIPlus.CheckStatus (GDIPlus.GdipCreateFontFromDC (hdc, out newObject));
- GDIPlus.CheckStatus (GDIPlus.GdipGetLogFontA (newObject, IntPtr.Zero, ref lf));
- GDIPlus.SelectObject (hdc, oldFont);
- GDIPlus.ReleaseDC (hdc);
- }
+ hdc = GDIPlus.GetDC (IntPtr.Zero);
+ Font f = FromLogFont (lf, hdc);
+ GDIPlus.ReleaseDC (hdc);
+ return f;
}
-
+
if (lf.lfItalic != 0) {
newStyle |= FontStyle.Italic;
}
public IntPtr ToHfont ()
{
+ if (fontObject == IntPtr.Zero)
+ throw new ArgumentException (Locale.GetText ("Object has been disposed."));
+
IntPtr Hfont;
OperatingSystem osInfo = Environment.OSVersion;
-
- // Sanity. Should we throw an exception?
- if (fontObject == IntPtr.Zero) {
- return IntPtr.Zero;
- }
-
- if ((int) osInfo.Platform == 128) {
- // If we're on Unix we use our private gdiplus API
- GDIPlus.CheckStatus (GDIPlus.GdipGetHfont (fontObject, out Hfont));
+ if ((int) osInfo.Platform == 128 || (int) osInfo.Platform == 4) {
+ return fontObject;
} else {
- // This needs testing, but I don't have a working win32 mono
- // environment.
- LOGFONTA lf = new LOGFONTA ();
-
- GDIPlus.CheckStatus (GDIPlus.GdipGetLogFontA (fontObject, IntPtr.Zero, ref lf));
- Hfont = GDIPlus.CreateFontIndirectA (ref lf);
+ object olf = new LOGFONT ();
+ ToLogFont(olf);
+ LOGFONT lf = (LOGFONT)olf;
+ Hfont = GDIPlus.CreateFontIndirect (ref lf);
}
return Hfont;
}
internal Font (IntPtr newFontObject, string familyName, FontStyle style, float size)
{
- FontFamily fontFamily = new FontFamily (familyName);
+ FontFamily fontFamily;
+
+ try {
+ fontFamily = new FontFamily (familyName);
+ }
+ catch (Exception){
+ fontFamily = FontFamily.GenericSansSerif;
+ }
+
setProperties (fontFamily, size, style, GraphicsUnit.Pixel, 0, false);
fontObject = newFontObject;
}
public Font (Font original, FontStyle style)
{
- lock (this)
- {
- Status status;
- setProperties (original.FontFamily, original.Size, style, original.Unit, original.GdiCharSet, original.GdiVerticalFont);
+ Status status;
+ setProperties (original.FontFamily, original.Size, style, original.Unit, original.GdiCharSet, original.GdiVerticalFont);
- status = GDIPlus.GdipCreateFont (_fontFamily.NativeObject, Size, Style, Unit, out fontObject);
- GDIPlus.CheckStatus (status);
- }
+ status = GDIPlus.GdipCreateFont (_fontFamily.NativeObject, Size, Style, Unit, out fontObject);
+ GDIPlus.CheckStatus (status);
}
public Font (FontFamily family, float emSize, GraphicsUnit unit)
- : this (family, emSize, FontStyle.Regular, unit, (byte)0, false)
+ : this (family, emSize, FontStyle.Regular, unit, DefaultCharSet, false)
{
}
public Font (string familyName, float emSize, GraphicsUnit unit)
- : this (new FontFamily (familyName), emSize, FontStyle.Regular, unit, (byte)0, false)
+ : this (new FontFamily (familyName), emSize, FontStyle.Regular, unit, DefaultCharSet, false)
{
}
public Font (FontFamily family, float emSize)
- : this (family, emSize, FontStyle.Regular, GraphicsUnit.Point, (byte)0, false)
+ : this (family, emSize, FontStyle.Regular, GraphicsUnit.Point, DefaultCharSet, false)
{
}
public Font (FontFamily family, float emSize, FontStyle style)
- : this (family, emSize, style, GraphicsUnit.Point, (byte)0, false)
+ : this (family, emSize, style, GraphicsUnit.Point, DefaultCharSet, false)
{
}
public Font (FontFamily family, float emSize, FontStyle style, GraphicsUnit unit)
- : this (family, emSize, style, unit, (byte)0, false)
+ : this (family, emSize, style, unit, DefaultCharSet, false)
{
}
public Font (FontFamily family, float emSize, FontStyle style,
GraphicsUnit unit, byte charSet, bool isVertical)
{
- // MS does not accept null family
- lock (this)
- {
- Status status;
- setProperties (family, emSize, style, unit, charSet, isVertical);
- status = GDIPlus.GdipCreateFont (family.NativeObject, emSize, style, unit, out fontObject);
- GDIPlus.CheckStatus (status);
- }
+ if (family == null)
+ throw new ArgumentNullException ("family");
+
+ Status status;
+ setProperties (family, emSize, style, unit, charSet, isVertical);
+ status = GDIPlus.GdipCreateFont (family.NativeObject, emSize, style, unit, out fontObject);
+ GDIPlus.CheckStatus (status);
}
public Font (string familyName, float emSize)
- : this (familyName, emSize, FontStyle.Regular, GraphicsUnit.Point, (byte)0, false)
+ : this (familyName, emSize, FontStyle.Regular, GraphicsUnit.Point, DefaultCharSet, false)
{
}
public Font (string familyName, float emSize, FontStyle style)
- : this (familyName, emSize, style, GraphicsUnit.Point, (byte)0, false)
+ : this (familyName, emSize, style, GraphicsUnit.Point, DefaultCharSet, false)
{
}
public Font (string familyName, float emSize, FontStyle style, GraphicsUnit unit)
- : this (familyName, emSize, style, unit, (byte)0, false)
+ : this (familyName, emSize, style, unit, DefaultCharSet, false)
{
}
public Font (string familyName, float emSize, FontStyle style,
GraphicsUnit unit, byte charSet, bool isVertical)
{
- lock (this)
- {
- // NOTE: If family name is null, empty or invalid,
- // MS creates Microsoft Sans Serif font.
- Status status;
- FontFamily family = new FontFamily (familyName);
- setProperties (family, emSize, style, unit, charSet, isVertical);
-
- status = GDIPlus.GdipCreateFont (family.NativeObject, emSize, style, unit, out fontObject);
- GDIPlus.CheckStatus (status);
- }
+ CreateFont(familyName, emSize, style, unit, charSet, isVertical);
}
public object Clone ()
internal IntPtr NativeObject {
get {
- return fontObject;
+ return fontObject;
}
+ }
+
+#if NET_2_0
+ internal string SysFontName {
set {
- fontObject = value;
+ systemFontName = value;
}
}
+#endif
private bool _bold;
}
}
- private int _height;
-
[Browsable (false)]
public int Height {
get {
- return _height;
+ return (int) Math.Ceiling (GetHeight ());
+ }
+ }
+
+#if NET_2_0
+ [Browsable(false)]
+ public bool IsSystemFont {
+ get {
+ if (systemFontName == null)
+ return false;
+
+ return StringComparer.InvariantCulture.Compare (systemFontName, string.Empty) != 0;
}
}
+#endif
private bool _italic;
return _name;
}
}
-
- private float _size;
+
public float Size {
get {
- return _size;
+ return _size;
}
}
}
}
+#if NET_2_0
+ [Browsable(false)]
+ public string SystemFontName {
+ get {
+ return systemFontName;
+ }
+ }
+#endif
private bool _underline;
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public override bool Equals (object obj)
{
- if (! (obj is Font))
+ Font fnt = (obj as Font);
+ if (fnt == null)
return false;
-
- Font fnt = (Font) obj;
-
- if (fnt.FontFamily == FontFamily && fnt.Size == Size &&
+
+ if (fnt.FontFamily.Equals (FontFamily) && fnt.Size == Size &&
fnt.Style == Style && fnt.Unit == Unit &&
fnt.GdiCharSet == GdiCharSet &&
fnt.GdiVerticalFont == GdiVerticalFont)
throw new NotImplementedException ();
}
- [MonoTODO]
+ [MonoTODO("This is temporary implementation")]
public static Font FromLogFont (object lf, IntPtr hdc)
{
- throw new NotImplementedException ();
+ IntPtr newObject;
+ LOGFONT o = (LOGFONT)lf;
+ Status status = GDIPlus.GdipCreateFontFromLogfont (hdc, ref o, out newObject);
+ GDIPlus.CheckStatus (status);
+ return new Font (newObject, "Microsoft Sans Serif", FontStyle.Regular, 10);
}
public float GetHeight ()
{
- return (float) _height;
+ return GetHeight (Graphics.systemDpiY);
}
- [MonoTODO]
public static Font FromLogFont (object lf)
{
- throw new NotImplementedException ();
+ if ((int) Environment.OSVersion.Platform == 128 || (int) Environment.OSVersion.Platform == 4) {
+ return FromLogFont(lf, IntPtr.Zero);
+ } else {
+ IntPtr hDC;
+
+ hDC = IntPtr.Zero;
+
+ try {
+ hDC = GDIPlus.GetDC(IntPtr.Zero);
+ return FromLogFont (lf, hDC);
+ }
+
+ finally {
+ GDIPlus.ReleaseDC(hDC);
+ }
+ }
+
}
- [MonoTODO]
+ [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
public void ToLogFont (object logFont)
{
- throw new NotImplementedException ();
+ Graphics g;
+
+ g = null;
+
+ if ((int) Environment.OSVersion.Platform == 128 || (int) Environment.OSVersion.Platform == 4) {
+ // Unix
+ Bitmap img;
+
+ img = null;
+
+ try {
+ // We don't have a window we could associate the DC with
+ // so we use an image instead
+ img = new Bitmap(1, 1, Imaging.PixelFormat.Format32bppArgb);
+ g = Graphics.FromImage(img);
+ ToLogFont(logFont, g);
+ }
+
+ finally {
+ if (g != null) {
+ g.Dispose();
+ }
+
+ if (img != null) {
+ img.Dispose();
+ }
+ }
+ } else {
+ // Windows
+ IntPtr hDC;
+
+ hDC = IntPtr.Zero;
+
+ try {
+
+ hDC = GDIPlus.GetDC(IntPtr.Zero);
+ g = Graphics.FromHdc(hDC);
+
+ ToLogFont (logFont, g);
+ }
+
+ finally {
+ if (g != null) {
+ g.Dispose();
+ }
+
+ GDIPlus.ReleaseDC(hDC);
+ }
+ }
}
- [MonoTODO]
+ [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
public void ToLogFont (object logFont, Graphics graphics)
{
- throw new NotImplementedException ();
+ if (graphics == null)
+ throw new ArgumentNullException ("graphics");
+
+ if (logFont == null) {
+#if NET_2_0
+ throw new AccessViolationException ("logFont");
+#else
+ throw new NullReferenceException ("logFont");
+#endif
+ }
+
+ Type st = logFont.GetType ();
+ if (!st.IsLayoutSequential)
+ throw new ArgumentException ("logFont", Locale.GetText ("Layout must be sequential."));
+
+ // note: there is no exception if 'logFont' isn't big enough
+ Type lf = typeof (LOGFONT);
+ int size = Marshal.SizeOf (lf);
+ if (Marshal.SizeOf (logFont) >= size) {
+ Status status;
+ IntPtr copy = Marshal.AllocHGlobal (size);
+ try {
+ Marshal.StructureToPtr (logFont, copy, false);
+
+ status = GDIPlus.GdipGetLogFont (NativeObject, graphics.NativeObject, logFont);
+ if (status != Status.Ok) {
+ // reset to original values
+ Marshal.PtrToStructure (copy, logFont);
+ }
+ }
+ finally {
+ Marshal.FreeHGlobal (copy);
+ }
+
+ if (CharSetOffset == -1) {
+ CharSetOffset = (int) Marshal.OffsetOf (lf, "lfCharSet");
+ FaceNameOffset = (int) Marshal.OffsetOf (lf, "lfFaceName");
+ }
+
+ // note: Marshal.WriteByte(object,*) methods are unimplemented on Mono
+ GCHandle gch = GCHandle.Alloc (logFont, GCHandleType.Pinned);
+ try {
+ IntPtr ptr = gch.AddrOfPinnedObject ();
+ // if GDI+ lfCharSet is 0, then we return (S.D.) 1, otherwise the value is unchanged
+ if (Marshal.ReadByte (ptr, CharSetOffset) == 0) {
+ // set lfCharSet to 1
+ Marshal.WriteByte (ptr, CharSetOffset, 1);
+ }
+ }
+ finally {
+ gch.Free ();
+ }
+
+ // now we can throw, if required
+ GDIPlus.CheckStatus (status);
+ }
}
- [MonoTODO]
public float GetHeight (Graphics graphics)
{
- if (Unit == GraphicsUnit.Pixel || Unit == GraphicsUnit.World)
- return GetHeight ();
-
- throw new NotImplementedException ();
+ float size;
+ Status status = GDIPlus.GdipGetFontHeight (fontObject, graphics.NativeObject, out size);
+ GDIPlus.CheckStatus (status);
+ return size;
}
- [MonoTODO]
public float GetHeight (float dpi)
{
- return GetHeight ();
+ float size;
+ Status status = GDIPlus.GdipGetFontHeightGivenDPI (fontObject, dpi, out size);
+ GDIPlus.CheckStatus (status);
+ return size;
}
public override String ToString ()
{
- return String.Format ("[Font: Name={0}, Size={1}, Style={2}, Units={3}, GdiCharSet={4}, GdiVerticalFont={5}]", _name, _size, _style, _unit, _gdiCharSet, _gdiVerticalFont);
+ return String.Format ("[Font: Name={0}, Size={1}, Units={2}, GdiCharSet={3}, GdiVerticalFont={4}]", _name, Size, (int)_unit, _gdiCharSet, _gdiVerticalFont);
}
}
}
projects / mono.git / blobdiff