UWP/FooEditEngine.UWP/Direct2D/D2DRender.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 DXGI = SharpDX.DXGI;
  18 using D2D = SharpDX.Direct2D1;
  19 using D3D = SharpDX.Direct3D;
  20 using D3D11 = SharpDX.Direct3D11;
  21 using FooEditEngine.UWP;
  22 using Windows.UI.Text.Core;
  23 using Windows.UI.Text;
  24
  25 namespace FooEditEngine
  26 {
  27     sealed class D2DRender : D2DRenderBase, IEditorRender
  28     {
  29         SurfaceImageSource SurfaceImage;
  30         DXGI.ISurfaceImageSourceNative SurfaceImageNative;
  31         D2D.Bitmap1 Bitmap;
  32         Size Size = new Size();
  33         DXGI.Surface Surface;
  34
  35         //変換中の書式
  36
  37         public D2DRender(FooTextBox textbox, Windows.UI.Xaml.Shapes.Rectangle rect)
  38             : base()
  39         {
  40             this.ConstructRenderAndResoruce(rect.ActualWidth, rect.ActualHeight);
  41             this.InitTextFormat(textbox.FontFamily, textbox.FontSize);
  42
  43             this.Size.Width = rect.ActualWidth;
  44             this.Size.Height = rect.ActualHeight;
  45
  46             this.CreateSurface(rect, rect.ActualWidth, rect.ActualHeight);
  47
  48             this.Foreground = D2DRenderBase.ToColor4(textbox.Foreground);
  49             this.Background = D2DRenderBase.ToColor4(textbox.Background);
  50             this.HilightForeground = D2DRenderBase.ToColor4(textbox.HilightForeground);
  51             this.Hilight = D2DRenderBase.ToColor4(textbox.Hilight);
  52             this.Keyword1 = D2DRenderBase.ToColor4(textbox.Keyword1);
  53             this.Keyword2 = D2DRenderBase.ToColor4(textbox.Keyword2);
  54             this.Literal = D2DRenderBase.ToColor4(textbox.Literal);
  55             this.Url = D2DRenderBase.ToColor4(textbox.URL);
  56             this.ControlChar = D2DRenderBase.ToColor4(textbox.ControlChar);
  57             this.Comment = D2DRenderBase.ToColor4(textbox.Comment);
  58             this.InsertCaret = D2DRenderBase.ToColor4(textbox.InsertCaret);
  59             this.OverwriteCaret = D2DRenderBase.ToColor4(textbox.OverwriteCaret);
  60             this.LineMarker = D2DRenderBase.ToColor4(textbox.LineMarker);
  61             this.UpdateArea = D2DRenderBase.ToColor4(textbox.UpdateArea);
  62             this.LineNumber = D2DRenderBase.ToColor4(textbox.LineNumber);
  63         }
  64
  65         public override void GetDpi(out float dpix, out float dpiy)
  66         {
  67             Util.GetDpi(out dpix, out dpiy);
  68         }
  69
  70         public bool Resize(Windows.UI.Xaml.Shapes.Rectangle rect, double width, double height)
  71         {
  72             if (this.Size.Width == width && this.Size.Height == height)
  73                 return false;
  74             this.ReConstructRenderAndResource(width, height);
  75             this.CreateSurface(rect, width, height);
  76             return true;
  77         }
  78
  79         public bool IsCanDraw()
  80         {
  81             return this.Size.Height != 0 && this.Size.Width != 0;
  82         }
  83
  84         public void DrawContent(EditView view,bool IsEnabled,Rectangle updateRect)
  85         {
  86             SharpDX.Mathematics.Interop.RawPoint offset;
  87             //デバイス依存の座標を渡さないといけない
  88             this.Surface = this.SurfaceImageNative.BeginDraw(
  89                 new SharpDX.Rectangle(0, 0, (int)(this.Size.Width * this.GetScale()), (int)(this.Size.Height * this.GetScale())), out offset);
  90             this.Bitmap = new D2D.Bitmap1(this.D2DContext, this.Surface, null);
  91             this.D2DContext.Target = this.Bitmap;
  92             //こっちはDirect2Dなのでデバイス非依存の座標を渡す
  93             float dipOffsetX = (float)(offset.X / this.GetScale());
  94             float dipOffsetY = (float)(offset.Y / this.GetScale());
  95             this.D2DContext.Transform = Matrix3x2.Translation(dipOffsetX, dipOffsetY);
  96             base.BegineDraw();
  97
  98             if (IsEnabled)
  99                 view.Draw(updateRect);
 100             else
 101                 this.FillBackground(updateRect);
 102
 103             base.EndDraw();
 104             this.Surface.Dispose();
 105             this.Bitmap.Dispose();
 106             this.SurfaceImageNative.EndDraw();
 107         }
 108
 109         void CreateSurface(Windows.UI.Xaml.Shapes.Rectangle rect, double width, double height)
 110         {
 111             if (this.SurfaceImageNative != null)
 112                 this.SurfaceImageNative.Dispose();
 113             //デバイス依存の座標を渡さないといけない
 114             this.SurfaceImage = new SurfaceImageSource((int)(width * this.GetScale()), (int)(height * this.GetScale()), false);
 115             this.SurfaceImageNative = ComObject.As<DXGI.ISurfaceImageSourceNative>(this.SurfaceImage);
 116             this.SurfaceImageNative.Device = this.DXGIDevice;
 117             this.Size.Width = width;
 118             this.Size.Height = height;
 119             ImageBrush brush = new ImageBrush();
 120             brush.ImageSource = this.SurfaceImage;
 121             rect.Fill = brush;
 122         }
 123
 124         public void ReConstructRenderAndResource(double width, double height)
 125         {
 126             this.DestructRenderAndResource();
 127             this.ConstructRenderAndResoruce(width, height);
 128         }
 129     }
 130 }