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Diffstat (limited to 'Backends/CairoBackend/src/ScaledFont.cs')
| -rw-r--r-- | Backends/CairoBackend/src/ScaledFont.cs | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/Backends/CairoBackend/src/ScaledFont.cs b/Backends/CairoBackend/src/ScaledFont.cs new file mode 100644 index 00000000..8fc245e2 --- /dev/null +++ b/Backends/CairoBackend/src/ScaledFont.cs @@ -0,0 +1,123 @@ +// +// 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; +using Drawing2D; + +namespace Crow.CairoBackend { + public class ScaledFont : IDisposable + { + protected IntPtr handle = IntPtr.Zero; + + internal ScaledFont (IntPtr handle, bool owner) + { + 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 { + FontExtents extents; + NativeMethods.cairo_scaled_font_extents (handle, out extents); + return extents; + } + } + + public Matrix FontMatrix { + get { + Matrix m; + NativeMethods.cairo_scaled_font_get_font_matrix (handle, out m); + return m; + } + } + + public FontType FontType { + get { + return NativeMethods.cairo_scaled_font_get_type (handle); + } + } + + public TextExtents GlyphExtents (Glyph[] glyphs) + { + 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 { 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 (!disposing|| handle == IntPtr.Zero) + return; + + NativeMethods.cairo_scaled_font_destroy (handle); + handle = IntPtr.Zero; + } + + [Obsolete] + protected void Reference () + { + NativeMethods.cairo_scaled_font_reference (handle); + } + } +} + |