Metro/FooEditEngine/Print/D2DPrintRender.cs

   1 /*
   2  * Copyright (C) 2013 FooProject
   3  * * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
   5
   6  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   7  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   8
   9 You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
  10  */
  11 using System;
  12 using System.Collections.Generic;
  13 using Windows.Graphics.Display;
  14 using Windows.UI.Xaml.Media;
  15 using Windows.UI.Xaml.Media.Imaging;
  16 using SharpDX;
  17 using SharpDX.WIC;
  18 using DXGI = SharpDX.DXGI;
  19 using D2D = SharpDX.Direct2D1;
  20 using D3D = SharpDX.Direct3D;
  21 using D3D11 = SharpDX.Direct3D11;
  22 using FooEditEngine.Metro;
  23 using DotNetTextStore;
  24 using DotNetTextStore.UnmanagedAPI.TSF;
  25 using DotNetTextStore.UnmanagedAPI.WinDef;
  26
  27 namespace FooEditEngine
  28 {
  29     sealed class D2DPrintRender : D2DRenderBase, ITextRender, IPrintableTextRender
  30     {
  31         D2D.Device D2DDevice;
  32         D2D.DeviceContext D2DContext;
  33         D2D.PrintControl Control;
  34         D2D.CommandList CommandList;
  35         Size2F Size;
  36         ImagingFactory WICFactory = new ImagingFactory();
  37         int dpi;
  38
  39         public D2DPrintRender(string fontName,double fontSize, Size size, uint dpi, IPrintDocumentPackageTarget docPackageTarget)
  40             : base()
  41         {
  42             base.ConstructDeviceResource(size.Width, size.Height);
  43             base.InitTextFormat(fontName, (float)fontSize);
  44
  45             this.CreateSurface(size,dpi,docPackageTarget);
  46         }
  47
  48         public override void GetDpi(out float dpix, out float dpiy)
  49         {
  50             dpix = this.dpi;
  51             dpiy = this.dpi;
  52         }
  53
  54         public void DrawContent(PrintableView view)
  55         {
  56             this.CommandList = new D2D.CommandList(this.D2DContext);
  57             this.D2DContext.Target = this.CommandList;
  58             base.BegineDraw();
  59             view.Draw(view.PageBound);
  60             base.EndDraw();
  61             this.CommandList.Close();
  62             this.Control.AddPage(this.CommandList, this.Size);
  63             this.CommandList.Dispose();
  64         }
  65
  66         void CreateSurface(Size size, uint dpi, IPrintDocumentPackageTarget docPackageTarget)
  67         {
  68             D2D.PrintControlProperties printControlProperties = new D2D.PrintControlProperties();
  69             printControlProperties.RasterDPI = dpi;
  70             printControlProperties.ColorSpace = D2D.ColorSpace.SRgb;
  71             printControlProperties.FontSubset = D2D.PrintFontSubsetMode.Default;
  72
  73             this.Control = new D2D.PrintControl(this.D2DDevice, this.WICFactory, new ComObject(docPackageTarget), printControlProperties);
  74
  75             this.Size = new Size2F((float)size.Width, (float)size.Height);
  76
  77             this.dpi = (int)dpi;
  78         }
  79
  80         protected override D2D.RenderTarget ConstructRender(D2D.Factory1 factory, D2D.RenderTargetProperties prop, double width, double height)
  81         {
  82             this.D2DDevice = new D2D.Device(factory,this.DXGIDevice);
  83             this.D2DContext = new D2D.DeviceContext(this.D2DDevice, D2D.DeviceContextOptions.None);
  84             return this.D2DContext;
  85         }
  86
  87         protected override void ConstrctedResource()
  88         {
  89         }
  90
  91         protected override void DestructRender()
  92         {
  93             if (this.Control != null)
  94             {
  95                 this.Control.Close();
  96                 this.Control.Dispose();
  97             }
  98             if (this.WICFactory != null)
  99                 this.WICFactory.Dispose();
 100             if (this.D2DDevice != null)
 101                 this.D2DDevice.Dispose();
 102             if (this.D2DContext != null)
 103                 this.D2DContext.Dispose();
 104         }
 105
 106         protected override void ReCreateTarget()
 107         {
 108         }
 109
 110         public float HeaderHeight
 111         {
 112             get { return (float)this.emSize.Height; }
 113         }
 114
 115         public float FooterHeight
 116         {
 117             get { return (float)this.emSize.Height; }
 118         }
 119     }
 120 }