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CustomFont.cs
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// Copyright (c) 2010-2013 SharpDX - Alexandre Mutel
//
// 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.Drawing;
using System.Windows.Forms;
using SharpDX.Direct2D1;
using SharpDX.DirectWrite;
using SharpDX.DXGI;
using SharpDX;
using AlphaMode = SharpDX.Direct2D1.AlphaMode;
using Color = SharpDX.Color;
using FontStyle = SharpDX.DirectWrite.FontStyle;
using TextAntialiasMode = SharpDX.Direct2D1.TextAntialiasMode;
namespace CustomFont
{
/// <summary>
/// How to render fonts that are embedded as resources. This application implements
/// a custom font file loader to provide access to the embedded font data. This
/// allows DirectWrite to recognize the family name of the fonts even though these
/// fonts are not installed on the system.
///
/// Port of DirectWrite sample CustomFont from Windows 7 SDK samples.
/// http://msdn.microsoft.com/en-us/library/dd941710%28v=VS.85%29.aspx
/// </summary>
public partial class CustomFont : Form
{
public SharpDX.Direct2D1.Factory Factory2D { get; private set; }
public SharpDX.DirectWrite.Factory FactoryDWrite { get; private set; }
public WindowRenderTarget RenderTarget2D { get; private set; }
public SolidColorBrush SceneColorBrush { get; private set; }
public TextFormat CurrentTextFormat { get; private set; }
public TextLayout CurrentTextLayout { get; private set; }
public ResourceFontLoader CurrentResourceFontLoader { get; set; }
public FontCollection CurrentFontCollection { get; set; }
public string FontFamilyName { get; set; }
public string FontText { get; set; }
/// <summary>
/// Initializes a new instance of the <see cref="CustomFont"/> class.
/// </summary>
public CustomFont()
{
InitializeComponent();
try
{
InitDirect2DAndDirectWrite();
InitCustomFont();
}
catch (Exception ex)
{
LogException(ex);
Environment.Exit(1);
}
}
/// <summary>
/// Logs the exception.
/// </summary>
/// <param name="ex">The ex.</param>
private void LogException(Exception ex)
{
MessageBox.Show(this, string.Format(System.Globalization.CultureInfo.InvariantCulture, "Unexpected error. Reason : {0}", ex), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
/// <summary>
/// Inits the direct2D and direct write.
/// </summary>
private void InitDirect2DAndDirectWrite()
{
Factory2D = new SharpDX.Direct2D1.Factory();
FactoryDWrite = new SharpDX.DirectWrite.Factory();
var properties = new HwndRenderTargetProperties();
properties.Hwnd = renderControl.Handle;
properties.PixelSize = new Size2(renderControl.ClientSize.Width, renderControl.ClientSize.Height);
properties.PresentOptions = PresentOptions.None;
RenderTarget2D = new WindowRenderTarget(Factory2D, new RenderTargetProperties(new PixelFormat(Format.Unknown, AlphaMode.Premultiplied)), properties);
RenderTarget2D.AntialiasMode = AntialiasMode.PerPrimitive;
RenderTarget2D.TextAntialiasMode = TextAntialiasMode.Cleartype;
SceneColorBrush = new SolidColorBrush(RenderTarget2D, Color.Black);
renderControl.Paint += new PaintEventHandler(renderControl_Paint);
renderControl.Resize += new EventHandler(renderControl_Resize);
}
/// <summary>
/// Inits the custom font.
/// </summary>
private void InitCustomFont()
{
CurrentResourceFontLoader = new ResourceFontLoader(FactoryDWrite);
CurrentFontCollection = new FontCollection(FactoryDWrite, CurrentResourceFontLoader, CurrentResourceFontLoader.Key);
comboBoxFonts.Items.Add("Pericles");
comboBoxFonts.Items.Add("Kootenay");
comboBoxFonts.SelectedIndex = 0;
}
/// <summary>
/// Handles the Resize event of the renderControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
void renderControl_Resize(object sender, EventArgs e)
{
try
{
RenderTarget2D.Resize(new Size2(renderControl.Size.Width, renderControl.Size.Height));
CurrentTextLayout.MaxWidth = renderControl.Size.Width;
CurrentTextLayout.MaxHeight = renderControl.Size.Height;
Refresh();
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Handles the Paint event of the renderControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
void renderControl_Paint(object sender, PaintEventArgs e)
{
try
{
RenderTarget2D.BeginDraw();
RenderTarget2D.Clear(Color.White);
RenderTarget2D.DrawLine(new Vector2(0, 0), new Vector2(renderControl.ClientSize.Width, renderControl.ClientSize.Height), SceneColorBrush);
RenderTarget2D.DrawLine(new Vector2(0, renderControl.ClientSize.Height), new Vector2(renderControl.ClientSize.Width, 0), SceneColorBrush);
RenderTarget2D.DrawTextLayout(new Vector2(0, 0), CurrentTextLayout, SceneColorBrush);
RenderTarget2D.EndDraw();
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Updates the TextFormat and TextLayout.
/// </summary>
private void UpdateTextFormatAndLayout()
{
try
{
if (CurrentTextFormat != null)
{
CurrentTextFormat.Dispose();
CurrentTextFormat = null;
}
if (CurrentTextLayout != null)
{
CurrentTextLayout.Dispose();
CurrentTextLayout = null;
}
FontText = "SharpDX - This font was loaded from a resource";
// Initialize a TextFormat
CurrentTextFormat = new TextFormat(FactoryDWrite, FontFamilyName, CurrentFontCollection, FontWeight.Normal, FontStyle.Normal, FontStretch.Normal, 64) { TextAlignment = TextAlignment.Center, ParagraphAlignment = ParagraphAlignment.Center };
CurrentTextLayout = new TextLayout(FactoryDWrite, FontText, CurrentTextFormat, renderControl.ClientSize.Width, renderControl.ClientSize.Height);
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Handles the SelectedIndexChanged event of the comboBoxFonts control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void comboBoxFonts_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
FontFamilyName = comboBoxFonts.SelectedItem.ToString();
UpdateTextFormatAndLayout();
renderControl.Refresh();
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
CurrentResourceFontLoader.Dispose();
}
base.Dispose(disposing);
}
}
}