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Christian Wischenbart
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New example project to draw full screen image on stream deck
1 parent a8cbd04 commit 847da44

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‎src/StreamDeckSharp.Examples.DrawFullScreen/Program.cs‎

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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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namespace StreamDeckSharp.Examples.DrawFullScreen
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{
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class Program
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{
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static void Main(string[] args)
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{
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var testImg = @"C:\testimage.png";
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using (var deck = StreamDeck.FromHID())
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using (var bmp = (Bitmap)Bitmap.FromFile(testImg))
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{
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deck.DrawFullScreenBitmap(bmp);
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Console.ReadKey();
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}
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}
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}
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}

‎src/StreamDeckSharp.Examples.DrawFullScreen/Properties/AssemblyInfo.cs‎

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// Allgemeine Informationen über eine Assembly werden über die folgenden
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// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
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// die einer Assembly zugeordnet sind.
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[assembly: AssemblyTitle("StreamDeckSharp.Examples.DrawFullScreen")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("StreamDeckSharp.Examples.DrawFullScreen")]
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[assembly: AssemblyCopyright("Copyright © 2018")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
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// für COM-Komponenten unsichtbar. Wenn Sie auf einen Typ in dieser Assembly von
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// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
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[assembly: ComVisible(false)]
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// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
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[assembly: Guid("1053a6d8-353e-4848-9434-5a35f32e9180")]
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// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
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//
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// Hauptversion
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// Nebenversion
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// Buildnummer
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// Revision
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//
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// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
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// übernehmen, indem Sie "*" eingeben:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎src/StreamDeckSharp.Examples.DrawFullScreen/StreamDeckFullScreenDrawingExtension.cs‎

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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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namespace StreamDeckSharp.Examples.DrawFullScreen
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{
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public static class StreamDeckFullScreenDrawingExtension
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{
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private const int buttonPxSize = 72;
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private const int buttonPxDist = 33; //measured
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private const int fullPxWidth = 5 * buttonPxSize + 4 * buttonPxDist;
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private const int fullPxHeight = 3 * buttonPxSize + 2 * buttonPxDist;
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private static readonly Brush black = Brushes.Black;
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public static void DrawFullScreenBitmap(this IStreamDeck deck, Bitmap b)
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{
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byte[] imgData = null;
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using (var resizedImage = ResizeToFullStreamDeckImage(b))
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{
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imgData = GetRgbArray(resizedImage);
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}
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for (int i = 0; i < deck.NumberOfKeys; i++)
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{
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var img = GetKeyImageFromFull(i, imgData);
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deck.SetKeyBitmap(i, img);
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}
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}
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private static Bitmap ResizeToFullStreamDeckImage(Bitmap b)
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{
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var newBm = new Bitmap(fullPxWidth, fullPxHeight, PixelFormat.Format24bppRgb);
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double scale = Math.Min((double)fullPxWidth / b.Width, (double)fullPxHeight / b.Height);
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using (var g = Graphics.FromImage(newBm))
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{
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g.InterpolationMode = InterpolationMode.High;
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g.CompositingQuality = CompositingQuality.HighQuality;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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var scaleWidth = (int)(b.Width * scale);
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var scaleHeight = (int)(b.Height * scale);
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g.FillRectangle(black, new RectangleF(0, 0, fullPxWidth, fullPxHeight));
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g.DrawImage(b, new Rectangle(((int)fullPxWidth - scaleWidth) / 2, ((int)fullPxHeight - scaleHeight) / 2, scaleWidth, scaleHeight));
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}
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return newBm;
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}
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static byte[] GetRgbArray(Bitmap b)
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{
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var rect = new Rectangle(0, 0, b.Width, b.Height);
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var lockData = b.LockBits(rect, ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
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try
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{
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var data = new byte[fullPxWidth * fullPxHeight * 3];
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Marshal.Copy(lockData.Scan0, data, 0, data.Length);
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return data;
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}
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finally
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{
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b.UnlockBits(lockData);
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}
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}
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static StreamDeckKeyBitmap GetKeyImageFromFull(int keyId, byte[] fullImageData)
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{
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var y = keyId / 5;
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var x = 4 - keyId % 5;
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return GetKeyImageFromFull(x, y, fullImageData);
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}
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static StreamDeckKeyBitmap GetKeyImageFromFull(int xPos, int yPos, byte[] fullImageData)
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{
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var keyImgData = new byte[buttonPxSize * buttonPxSize * 3];
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var xOffset = xPos * (buttonPxSize + buttonPxDist);
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var yOffset = yPos * (buttonPxSize + buttonPxDist);
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for (int y = 0; y < buttonPxSize; y++)
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{
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var numberOfPixelsInPrevRows = (y + yOffset) * fullPxWidth + xOffset;
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for (int x = 0; x < buttonPxSize; x++)
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{
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var p = (numberOfPixelsInPrevRows + x) * 3;
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var kPos = (y * buttonPxSize + x) * 3;
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keyImgData[kPos + 0] = fullImageData[p + 0];
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keyImgData[kPos + 1] = fullImageData[p + 1];
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keyImgData[kPos + 2] = fullImageData[p + 2];
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}
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}
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return StreamDeckKeyBitmap.FromRawBitmap(keyImgData);
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}
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}
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}

‎src/StreamDeckSharp.Examples.DrawFullScreen/StreamDeckSharp.Examples.DrawFullScreen.csproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{1053A6D8-353E-4848-9434-5A35F32E9180}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<RootNamespace>StreamDeckSharp.Examples.DrawFullScreen</RootNamespace>
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<AssemblyName>StreamDeckSharp.Examples.DrawFullScreen</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Drawing" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="StreamDeckFullScreenDrawingExtension.cs" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\StreamDeckSharp\StreamDeckSharp.csproj">
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<Project>{d06ab787-766e-4b28-89c4-8d948070eb1c}</Project>
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<Name>StreamDeckSharp</Name>
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</ProjectReference>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>

‎src/StreamDeckSharp.sln‎

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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HidLibrary", "HidLibrary\src\HidLibrary\HidLibrary.csproj", "{9E8F1D50-74EA-4C60-BD5C-AB2C5B53BC66}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "StreamDeckSharp.Examples.DrawFullScreen", "StreamDeckSharp.Examples.DrawFullScreen\StreamDeckSharp.Examples.DrawFullScreen.csproj", "{1053A6D8-353E-4848-9434-5A35F32E9180}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{9E8F1D50-74EA-4C60-BD5C-AB2C5B53BC66}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{9E8F1D50-74EA-4C60-BD5C-AB2C5B53BC66}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{9E8F1D50-74EA-4C60-BD5C-AB2C5B53BC66}.Release|Any CPU.Build.0 = Release|Any CPU
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{1053A6D8-353E-4848-9434-5A35F32E9180}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{1053A6D8-353E-4848-9434-5A35F32E9180}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{1053A6D8-353E-4848-9434-5A35F32E9180}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{1053A6D8-353E-4848-9434-5A35F32E9180}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

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