public void RemovePropertyItem(int propid)
{
Status status = GDIPlus.GdipRemovePropertyItem(nativeObject, propid);
GDIPlus.CheckStatus(status);
}
public void RotateFlip(RotateFlipType rotateFlipType)
{
Status status = GDIPlus.GdipImageRotateFlip(nativeObject, rotateFlipType);
GDIPlus.CheckStatus(status);
}
public static Font FromHfont(IntPtr hfont)
{
IntPtr newObject;
IntPtr hdc;
FontStyle newStyle = FontStyle.Regular;
float newSize;
LOGFONT lf = new LOGFONT();
// Sanity. Should we throw an exception?
if (hfont == IntPtr.Zero)
{
Font result = new Font("Arial", (float)10.0, FontStyle.Regular);
return(result);
}
if (GDIPlus.RunningOnUnix())
{
// 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
// GetDC, SelectObject, ReleaseDC GetTextMetric and
// GetFontFace are not really GDIPlus, see gdipFunctions.cs
newStyle = FontStyle.Regular;
hdc = GDIPlus.GetDC(IntPtr.Zero);
try {
return(FromLogFont(lf, hdc));
}
finally {
GDIPlus.ReleaseDC(IntPtr.Zero, hdc);
}
}
if (lf.lfItalic != 0)
{
newStyle |= FontStyle.Italic;
}
if (lf.lfUnderline != 0)
{
newStyle |= FontStyle.Underline;
}
if (lf.lfStrikeOut != 0)
{
newStyle |= FontStyle.Strikeout;
}
if (lf.lfWeight > 400)
{
newStyle |= FontStyle.Bold;
}
if (lf.lfHeight < 0)
{
newSize = lf.lfHeight * -1;
}
else
{
newSize = lf.lfHeight;
}
return(new Font(newObject, lf.lfFaceName, newStyle, newSize));
}
public void Intersect(RectangleF_ rect)
{
Status status = GDIPlus.GdipCombineRegionRect(nativeRegion, ref rect, CombineMode.Intersect);
GDIPlus.CheckStatus(status);
}
public Region()
{
Status status = GDIPlus.GdipCreateRegion(out nativeRegion);
GDIPlus.CheckStatus(status);
}
public void MakeInfinite()
{
Status status = GDIPlus.GdipSetInfinite(nativeRegion);
GDIPlus.CheckStatus(status);
}
public StringFormat(StringFormatFlags options)
{
Status status = GDIPlus.GdipCreateStringFormat(options, GDIPlus.LANG_NEUTRAL, out nativeStrFmt);
GDIPlus.CheckStatus(status);
}
public void Xor(RectangleF rect)
{
Status status = GDIPlus.GdipCombineRegionRect(nativeRegion, ref rect, CombineMode.Xor);
GDIPlus.CheckStatus(status);
}
public void SetDigitSubstitution(int language, StringDigitSubstitute substitute)
{
Status status = GDIPlus.GdipSetStringFormatDigitSubstitution(nativeStrFmt, this.language, substitute);
GDIPlus.CheckStatus(status);
}
public StringFormat(StringFormatFlags options, int language)
{
Status status = GDIPlus.GdipCreateStringFormat(options, language, out nativeStrFmt);
GDIPlus.CheckStatus(status);
}
public void SetTabStops(float firstTabOffset, float[] tabStops)
{
Status status = GDIPlus.GdipSetStringFormatTabStops(nativeStrFmt, firstTabOffset, tabStops.Length, tabStops);
GDIPlus.CheckStatus(status);
}
public void UnlockBits(BitmapData bitmapdata)
{
Status status = GDIPlus.GdipBitmapUnlockBits(nativeObject, bitmapdata);
GDIPlus.CheckStatus(status);
}
public void SetResolution(float xDpi, float yDpi)
{
Status status = GDIPlus.GdipBitmapSetResolution(nativeObject, xDpi, yDpi);
GDIPlus.CheckStatus(status);
}
public void Complement(Rectangle rect)
{
Status status = GDIPlus.GdipCombineRegionRectI(nativeRegion, ref rect, CombineMode.Complement);
GDIPlus.CheckStatus(status);
}
public void MultiplyTransform(Matrix matrix, MatrixOrder order)
{
Status status = GDIPlus.GdipMultiplyPenTransform(nativeObject, matrix.nativeMatrix, order);
GDIPlus.CheckStatus(status);
}
public void Exclude(Rectangle rect)
{
Status status = GDIPlus.GdipCombineRegionRectI(nativeRegion, ref rect, CombineMode.Exclude);
GDIPlus.CheckStatus(status);
}
public void ResetTransform()
{
Status status = GDIPlus.GdipResetPenTransform(nativeObject);
GDIPlus.CheckStatus(status);
}
public void Translate(float dx, float dy)
{
Status status = GDIPlus.GdipTranslateRegion(nativeRegion, dx, dy);
GDIPlus.CheckStatus(status);
}
public void RotateTransform(float angle, MatrixOrder order)
{
Status status = GDIPlus.GdipRotatePenTransform(nativeObject, angle, order);
GDIPlus.CheckStatus(status);
}
public void MakeEmpty()
{
Status status = GDIPlus.GdipSetEmpty(nativeRegion);
GDIPlus.CheckStatus(status);
}
public void ScaleTransform(float sx, float sy, MatrixOrder order)
{
Status status = GDIPlus.GdipScalePenTransform(nativeObject, sx, sy, order);
GDIPlus.CheckStatus(status);
}
public Region(RectangleF rect)
{
Status status = GDIPlus.GdipCreateRegionRect(ref rect, out nativeRegion);
GDIPlus.CheckStatus(status);
}
public void TranslateTransform(float dx, float dy, MatrixOrder order)
{
Status status = GDIPlus.GdipTranslatePenTransform(nativeObject, dx, dy, order);
GDIPlus.CheckStatus(status);
}
public void ToLogFont(object logFont, Graphics graphics)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
if (logFont == null)
{
throw new AccessViolationException("logFont");
}
Type st = logFont.GetType();
if (!st.GetTypeInfo().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(logFont);
if (size >= Marshal.SizeOf(lf))
{
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)
{
// not sure why this methods returns an IntPtr since it's an offset
// anyway there's no issue in downcasting the result into an int32
CharSetOffset = (int)Marshal.OffsetOf(lf, "lfCharSet");
}
/*
* // 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);
}
}
public void Union(Rectangle_ rect)
{
Status status = GDIPlus.GdipCombineRegionRectI(nativeRegion, ref rect, CombineMode.Union);
GDIPlus.CheckStatus(status);
}