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Introduce WinForms support for Direct2D/DirectWrite. #10

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Introduce WinForms support for Direct2D/DirectWrite. #10

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40e7eb8
Introduce WinForms support for Direct2D - first draft.
KlausLoeffelmann Sep 26, 2021
2e0cc52
Account for unpredictible event binding.
KlausLoeffelmann Sep 26, 2021
d80c40d
Address some naming issues.
KlausLoeffelmann Sep 26, 2021
83c9d03
Fix a resize issue.
KlausLoeffelmann Sep 26, 2021
9c50928
Add IRenderItem...
KlausLoeffelmann Sep 26, 2021
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44 changes: 42 additions & 2 deletions WInterop.sln
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@

Microsoft Visual Studio Solution File, Format Version 12.00
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VisualStudioVersion = 16.0.28729.10
# Visual Studio Version 17
VisualStudioVersion = 17.0.31717.71
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WInterop.Desktop", "src\WInterop.Desktop\WInterop.Desktop.csproj", "{AC918478-F510-44DD-92AE-6E0B013546F5}"
ProjectSection(ProjectDependencies) = postProject
Expand Down Expand Up @@ -126,6 +126,12 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Scratch", "src\Samples\OldN
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WInterop.SourceGenerators", "src\WInterop.SourceGenerators\WInterop.SourceGenerators.csproj", "{89E7FD50-13F6-45DA-8823-C3F6D38170C8}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WInterop.Winforms", "Winterop.Winforms\WInterop.Winforms.csproj", "{2ADA4398-33F9-4163-A669-54C82310EA08}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "WinForms", "WinForms", "{D27AB6D6-1BE5-448C-9BAE-F0D2D89E6CDC}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WinFormsDirect2D", "WinFormsDirect2D\WinFormsDirect2D.csproj", "{C37EC799-BBB5-46C7-A469-66677C316F9B}"
EndProject
Global
GlobalSection(SharedMSBuildProjectFiles) = preSolution
src\Common\Common.projitems*{ac918478-f510-44dd-92ae-6e0b013546f5}*SharedItemsImports = 5
Expand Down Expand Up @@ -796,6 +802,38 @@ Global
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{2ADA4398-33F9-4163-A669-54C82310EA08}.Release|x86.ActiveCfg = Release|Any CPU
{2ADA4398-33F9-4163-A669-54C82310EA08}.Release|x86.Build.0 = Release|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|ARM.Build.0 = Debug|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|x64.ActiveCfg = Debug|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|x64.Build.0 = Debug|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|x86.ActiveCfg = Debug|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Debug|x86.Build.0 = Debug|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Release|Any CPU.ActiveCfg = Release|Any CPU
{C37EC799-BBB5-46C7-A469-66677C316F9B}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
Expand Down Expand Up @@ -843,6 +881,8 @@ Global
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EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {1D0C3A88-8F05-4858-97B6-0E554C1064BD}
Expand Down
55 changes: 55 additions & 0 deletions WinFormsDirect2D/DemoRenderer.HelloWorld.cs
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using WInterop.Direct2d;
using System.Drawing;
using WInterop.Winforms;
using System.Diagnostics.CodeAnalysis;
using WInterop.DirectWrite;

namespace WinFormsDirect2D
{
internal partial class DemoRenderer
{
private class HelloWorld : IRenderItem
{
protected ITextFormat? _textFormat;
protected ITextLayout? _textLayout;
protected ITypography? _typography;

protected ISolidColorBrush? _blackBrush;

public HelloWorld()
{
}

[AllowNull]
public ID2DFactoryProvider D2DFactoryProvider { get; set; }

public void InitializeComponent()
{
_textFormat = D2DFactoryProvider.GetDirectWriteFactory().CreateTextFormat("Gabriola", fontSize: 64);
_textFormat.SetTextAlignment(TextAlignment.Center);
_textFormat.SetParagraphAlignment(ParagraphAlignment.Center);
}

public void CreateD2DResources(IRenderTarget renderTarget)
{
string text = "Hello World From ... DirectWrite!";
_blackBrush = renderTarget.CreateSolidColorBrush(Color.Black);
_textLayout = D2DFactoryProvider.GetDirectWriteFactory().CreateTextLayout(text, _textFormat, renderTarget.GetSize());

// (21, 12) is the range around "DirectWrite!"
_textLayout.SetFontSize(100, (21, 12));
_typography = D2DFactoryProvider.GetDirectWriteFactory().CreateTypography();
_typography.AddFontFeature(new FontFeature(FontFeatureTag.StylisticSet7, 1));
_textLayout.SetTypography(_typography, (0, text.Length));
_textLayout.SetUnderline(true, (21, 12));
_textLayout.SetFontWeight(FontWeight.Bold, (21, 12));
}

public void D2DPaint(IRenderTarget renderTarget)
{
renderTarget.Clear(Color.CornflowerBlue);
renderTarget.DrawTextLayout(default, _textLayout, _blackBrush);
}
}
}
}
67 changes: 67 additions & 0 deletions WinFormsDirect2D/DemoRenderer.SimpleTestPicture.cs
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using WInterop.Direct2d;
using System.Drawing;
using WInterop.Winforms;
using System.Diagnostics.CodeAnalysis;

namespace WinFormsDirect2D
{
internal partial class DemoRenderer
{
private class SimpleTestPicture : IRenderItem
{
private ISolidColorBrush? _lightSlateGrayBrush;
private ISolidColorBrush? _cornflowerBlueBrush;

public SimpleTestPicture()
{
}

[AllowNull]
public ID2DFactoryProvider D2DFactoryProvider { get; set; }

public void CreateD2DResources(IRenderTarget renderTarget)
{
_lightSlateGrayBrush = renderTarget.CreateSolidColorBrush(Color.LightSlateGray);
_cornflowerBlueBrush = renderTarget.CreateSolidColorBrush(Color.CornflowerBlue);
}

public void D2DPaint(IRenderTarget renderTarget)
{
renderTarget.SetTransform();
renderTarget.Clear(Color.White);
Size size = renderTarget.GetSize().ToSize();

_lightSlateGrayBrush!.GetColor(out ColorF color);

for (int x = 0; x < size.Width; x += 10)
{
renderTarget.DrawLine(
new Point(x, 0), new Point(x, size.Height),
_lightSlateGrayBrush, 0.5f);
}

for (int y = 0; y < size.Height; y += 10)
{
renderTarget.DrawLine(
new Point(0, y), new Point(size.Width, y),
_lightSlateGrayBrush, 0.5f);
}

Rectangle rectangle1 = Rectangle.FromLTRB(
size.Width / 2 - 50,
size.Height / 2 - 50,
size.Width / 2 + 50,
size.Height / 2 + 50);

Rectangle rectangle2 = Rectangle.FromLTRB(
size.Width / 2 - 100,
size.Height / 2 - 100,
size.Width / 2 + 100,
size.Height / 2 + 100);

renderTarget.FillRectangle(rectangle1, _lightSlateGrayBrush);
renderTarget.DrawRectangle(rectangle2, _cornflowerBlueBrush);
}
}
}
}
32 changes: 32 additions & 0 deletions WinFormsDirect2D/DemoRenderer.cs
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using System.Collections.Generic;
using System.Collections.Immutable;
using WInterop.Winforms;

namespace WinFormsDirect2D
{
internal partial class DemoRenderer
{
private readonly ImmutableDictionary<string, IRenderItem> _demos;

public DemoRenderer(ID2DFactoryProvider factoryProvider)
{
var temp = new Dictionary<string, IRenderItem>()
{
{
nameof(SimpleTestPicture),
new SimpleTestPicture() { D2DFactoryProvider = factoryProvider }
},
{
nameof(HelloWorld),
new HelloWorld() { D2DFactoryProvider = factoryProvider }
},

};

_demos = temp.ToImmutableDictionary();
}

public ImmutableDictionary<string, IRenderItem> Demos
=> _demos;
}
}
111 changes: 111 additions & 0 deletions WinFormsDirect2D/MainForm.Designer.cs
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58 changes: 58 additions & 0 deletions WinFormsDirect2D/MainForm.cs
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using System.Windows.Forms;
using WInterop.Winforms;

namespace WinFormsDirect2D
{
public partial class MainForm : Form
{
private bool _resourcesCreated;
private DemoRenderer _demoRenderer;
private IRenderItem? _currentRenderItem;

public MainForm()
{
InitializeComponent();
_demoRenderer = new DemoRenderer(d2DPanel);

foreach (var item in _demoRenderer.Demos)
{
ToolStripMenuItem menuItem = new()
{
Text = item.Key,
Tag = item.Value
};

menuItem.Click += MenuItem_Click;
viewToolStripMenuItem.DropDownItems.Add(menuItem);
}
}

private void MenuItem_Click(object? sender, System.EventArgs e)
{
_currentRenderItem = (IRenderItem)((ToolStripMenuItem)sender!).Tag;
_resourcesCreated = false;
d2DPanel.Reset();
}

private void D2DPanel_D2DPaint(object sender, WInterop.Winforms.D2DPaintEventArgs e)
{
if (!_resourcesCreated || _currentRenderItem is null)
{
return;
}

_currentRenderItem.D2DPaint(e.RenderTarget);
}

private void D2DPanel_CreateD2DResources(object sender, WInterop.Winforms.D2DPaintEventArgs e)
{
_resourcesCreated = true;
if (_currentRenderItem is null)
{
return;
}

_currentRenderItem.CreateD2DResources(e.RenderTarget);
}
}
}
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