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//
// Mono.Cairo.ScaledFont.cs
//
// (c) 2008 Jordi Mas i Hernandez (jordimash@gmail.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.
//
using System;
using System.Runtime.InteropServices;
namespace Cairo {
public class ScaledFont : IDisposable
{
protected IntPtr handle = IntPtr.Zero;
internal ScaledFont (IntPtr handle, bool owner)
{
if (handle == IntPtr.Zero)
throw new ArgumentException ("handle should not be NULL", "handle");
this.handle = handle;
if (!owner)
NativeMethods.cairo_scaled_font_reference (handle);
if (CairoDebug.Enabled)
CairoDebug.OnAllocated (handle);
}
public ScaledFont (FontFace fontFace, Matrix matrix, Matrix ctm, FontOptions options)
: this (NativeMethods.cairo_scaled_font_create (fontFace.Handle, matrix, ctm, options.Handle), true)
{
}
~ScaledFont ()
{
Dispose (false);
}
public IntPtr Handle {
get {
return handle;
}
}
public FontExtents FontExtents {
get {
CheckDisposed ();
FontExtents extents;
NativeMethods.cairo_scaled_font_extents (handle, out extents);
return extents;
}
}
public Matrix FontMatrix {
get {
CheckDisposed ();
Matrix m;
NativeMethods.cairo_scaled_font_get_font_matrix (handle, out m);
return m;
}
}
public FontType FontType {
get {
CheckDisposed ();
return NativeMethods.cairo_scaled_font_get_type (handle);
}
}
public TextExtents GlyphExtents (Glyph[] glyphs)
{
CheckDisposed ();
IntPtr ptr = Context.FromGlyphToUnManagedMemory (glyphs);
TextExtents extents;
NativeMethods.cairo_scaled_font_glyph_extents (handle, ptr, glyphs.Length, out extents);
Marshal.FreeHGlobal (ptr);
return extents;
}
public Status Status
{
get {
CheckDisposed ();
return NativeMethods.cairo_scaled_font_status (handle);
}
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!disposing || CairoDebug.Enabled)
CairoDebug.OnDisposed<ScaledFont> (handle, disposing);
if (handle == IntPtr.Zero)
return;
NativeMethods.cairo_scaled_font_destroy (handle);
handle = IntPtr.Zero;
}
void CheckDisposed ()
{
if (handle == IntPtr.Zero)
throw new ObjectDisposedException ("Object has already been disposed");
}
[Obsolete]
protected void Reference ()
{
CheckDisposed ();
NativeMethods.cairo_scaled_font_reference (handle);
}
}
}
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