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     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.ConstructRender = this.ConstructRenderHandler;
  43             base.ConstrctedResource = this.ConstructedResourceHandler;
  44             base.DestructRender = this.DestructRenderHandler;
  45             base.ReCreateTarget = this.ReCreateTargetHandler;
  46             base.GetDpi = this.GetDpi;
  47             base.ConstructDeviceResource(size.Width, size.Height);
  48             base.InitTextFormat(fontName, (float)fontSize);
  49
  50             this.CreateSurface(size,dpi,docPackageTarget);
  51         }
  52
  53         new void GetDpi(out float dpix, out float dpiy)
  54         {
  55             dpix = this.dpi;
  56             dpiy = this.dpi;
  57         }
  58
  59         public override void BeginDraw()
  60         {
  61             this.CommandList = new D2D.CommandList(this.D2DContext);
  62             this.D2DContext.Target = this.CommandList;
  63             base.BeginDraw();
  64         }
  65
  66         public override void EndDraw()
  67         {
  68             base.EndDraw();
  69             this.CommandList.Close();
  70             this.Control.AddPage(this.CommandList, this.Size);
  71             this.CommandList.Dispose();
  72         }
  73
  74         void CreateSurface(Size size, uint dpi, IPrintDocumentPackageTarget docPackageTarget)
  75         {
  76             D2D.PrintControlProperties printControlProperties = new D2D.PrintControlProperties();
  77             printControlProperties.RasterDPI = dpi;
  78             printControlProperties.ColorSpace = D2D.ColorSpace.SRgb;
  79             printControlProperties.FontSubset = D2D.PrintFontSubsetMode.Default;
  80
  81             this.Control = new D2D.PrintControl(this.D2DDevice, this.WICFactory, new ComObject(docPackageTarget), printControlProperties);
  82
  83             this.Size = new Size2F((float)size.Width, (float)size.Height);
  84
  85             this.dpi = (int)dpi;
  86         }
  87
  88         D2D.RenderTarget ConstructRenderHandler(D2D.Factory1 factory, D2D.RenderTargetProperties prop, double width, double height)
  89         {
  90             this.D2DDevice = new D2D.Device(factory,this.DXGIDevice);
  91             this.D2DContext = new D2D.DeviceContext(this.D2DDevice, D2D.DeviceContextOptions.None);
  92             return this.D2DContext;
  93         }
  94
  95         void ConstructedResourceHandler()
  96         {
  97         }
  98
  99         void DestructRenderHandler()
 100         {
 101             if (this.Control != null)
 102             {
 103                 this.Control.Close();
 104                 this.Control.Dispose();
 105             }
 106             if (this.WICFactory != null)
 107                 this.WICFactory.Dispose();
 108             if (this.D2DDevice != null)
 109                 this.D2DDevice.Dispose();
 110             if (this.D2DContext != null)
 111                 this.D2DContext.Dispose();
 112         }
 113
 114         void ReCreateTargetHandler()
 115         {
 116         }
 117
 118         public float HeaderHeight
 119         {
 120             get { return (float)this.emSize.Height; }
 121         }
 122
 123         public float FooterHeight
 124         {
 125             get { return (float)this.emSize.Height; }
 126         }
 127     }
 128 }