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103 lines
3.6 KiB
C#
103 lines
3.6 KiB
C#
// Pango.Layout.cs - Pango Layout class customizations
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//
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// Authors: Pedro Abelleira Seco <pedroabelleira@yahoo.es>
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// Mike Kestner <mkestner@ximian.com>
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//
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// Copyright (c) 2004 Novell, Inc.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the Lesser GNU General
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// Public License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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namespace Pango {
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using System;
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using System.Runtime.InteropServices;
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public partial class Layout {
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[DllImport ("libpango-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr pango_layout_get_lines(IntPtr raw);
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public LayoutLine[] Lines {
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get {
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IntPtr list_ptr = pango_layout_get_lines(Handle);
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if (list_ptr == IntPtr.Zero)
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return new LayoutLine [0];
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GLib.SList list = new GLib.SList(list_ptr, typeof (IntPtr));
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LayoutLine[] result = new LayoutLine [list.Count];
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for (int i = 0; i < list.Count; i++)
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result[i] = new LayoutLine ((IntPtr)list[i]);
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return result;
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}
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}
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[DllImport ("libpango-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void pango_layout_set_markup_with_accel (IntPtr raw, IntPtr markup, int length, uint accel_marker, out uint accel_char);
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public void SetMarkupWithAccel (string markup, char accel_marker, out char accel_char)
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{
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uint ucs4_accel_char;
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IntPtr native_markup = GLib.Marshaller.StringToPtrGStrdup (markup);
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pango_layout_set_markup_with_accel (Handle, native_markup, -1, GLib.Marshaller.CharToGUnichar (accel_marker), out ucs4_accel_char);
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GLib.Marshaller.Free (native_markup);
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accel_char = GLib.Marshaller.GUnicharToChar (ucs4_accel_char);
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}
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[DllImport ("libglib-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void g_free (IntPtr raw);
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[DllImport ("libpango-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void pango_layout_get_log_attrs (IntPtr raw, out IntPtr attrs, out int n_attrs);
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public LogAttr [] LogAttrs {
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get {
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int count;
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IntPtr array_ptr;
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pango_layout_get_log_attrs (Handle, out array_ptr, out count);
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if (array_ptr == IntPtr.Zero)
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return new LogAttr [0];
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LogAttr [] result = new LogAttr [count];
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for (int i = 0; i < count; i++) {
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IntPtr fam_ptr = Marshal.ReadIntPtr (array_ptr, i * IntPtr.Size);
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result [i] = LogAttr.New (fam_ptr);
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}
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g_free (array_ptr);
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return result;
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}
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}
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[DllImport ("libpango-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void pango_layout_set_text (IntPtr raw, IntPtr text, int length);
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public void SetText (string text)
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{
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IntPtr native_text = GLib.Marshaller.StringToPtrGStrdup (text);
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pango_layout_set_text (Handle, native_text, -1);
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GLib.Marshaller.Free (native_text);
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}
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[DllImport ("libpango-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void pango_layout_set_markup (IntPtr raw, IntPtr markup, int length);
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public void SetMarkup (string markup)
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{
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IntPtr native_markup = GLib.Marshaller.StringToPtrGStrdup (markup);
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pango_layout_set_markup (Handle, native_markup, -1);
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GLib.Marshaller.Free (native_markup);
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}
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}
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}
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