Initial
This commit is contained in:
Manuel Kamper
parent
c84e6e2700
commit
6c2ccf5aff
25
Mk0.Tools.Images.sln
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25
Mk0.Tools.Images.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 15
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VisualStudioVersion = 15.0.28307.438
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mk0.Tools.Images", "Mk0.Tools.Images\Mk0.Tools.Images.csproj", "{8C546D79-1695-41B5-9AF3-3A30E9EF0337}"
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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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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{8C546D79-1695-41B5-9AF3-3A30E9EF0337}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8C546D79-1695-41B5-9AF3-3A30E9EF0337}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8C546D79-1695-41B5-9AF3-3A30E9EF0337}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8C546D79-1695-41B5-9AF3-3A30E9EF0337}.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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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {01A7CDBB-70D8-4270-B7D6-75AFE5ADAA30}
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EndGlobalSection
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EndGlobal
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113
Mk0.Tools.Images/BorderCropper.cs
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113
Mk0.Tools.Images/BorderCropper.cs
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using System.Drawing;
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namespace Mk0.Tools.Images
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{
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public class BorderCropper
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{
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#region CropUnwantedBackground
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/// <summary>
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/// Entfernt gleichfarbige Bildränder
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/// </summary>
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/// <param name="bmp">Bild dessen Ränder entfernt werden sollen</param>
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/// <returns>Bild dem die Ränder entfernt wurden</returns>
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public static Bitmap CropUnwantedBackground(Bitmap bmp)
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{
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var backColor = GetMatchedBackColor(bmp);
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if (backColor.HasValue)
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{
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var bounds = GetImageBounds(bmp, backColor);
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var diffX = bounds[1].X - bounds[0].X + 1;
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var diffY = bounds[1].Y - bounds[0].Y + 1;
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var croppedBmp = new Bitmap(diffX, diffY);
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var g = Graphics.FromImage(croppedBmp);
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var destRect = new Rectangle(0, 0, croppedBmp.Width, croppedBmp.Height);
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var srcRect = new Rectangle(bounds[0].X, bounds[0].Y, diffX, diffY);
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g.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel);
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return croppedBmp;
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}
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else
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{
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return null;
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}
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}
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#endregion
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#region Private Methods
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#region GetImageBounds
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private static Point[] GetImageBounds(Bitmap bmp, Color? backColor)
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{
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//--------------------------------------------------------------------
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// Finding the Bounds of Crop Area bu using Unsafe Code and Image Proccesing
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Color c;
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int width = bmp.Width, height = bmp.Height;
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bool upperLeftPointFounded = false;
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var bounds = new Point[2];
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for (int y = 0; y < height; y++)
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{
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for (int x = 0; x < width; x++)
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{
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c = bmp.GetPixel(x, y);
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bool sameAsBackColor = ((c.R <= backColor.Value.R * 1.1 && c.R >= backColor.Value.R * 0.9) &&
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(c.G <= backColor.Value.G * 1.1 && c.G >= backColor.Value.G * 0.9) &&
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(c.B <= backColor.Value.B * 1.1 && c.B >= backColor.Value.B * 0.9));
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if (!sameAsBackColor)
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{
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if (!upperLeftPointFounded)
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{
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bounds[0] = new Point(x, y);
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bounds[1] = new Point(x, y);
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upperLeftPointFounded = true;
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}
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else
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{
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if (x > bounds[1].X)
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bounds[1].X = x;
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else if (x < bounds[0].X)
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bounds[0].X = x;
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if (y >= bounds[1].Y)
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bounds[1].Y = y;
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}
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}
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}
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}
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return bounds;
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}
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#endregion
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#region GetMatchedBackColor
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private static Color? GetMatchedBackColor(Bitmap bmp)
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{
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// Getting The Background Color by checking Corners of Original Image
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var corners = new Point[]{
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new Point(0, 0),
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new Point(0, bmp.Height - 1),
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new Point(bmp.Width - 1, 0),
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new Point(bmp.Width - 1, bmp.Height - 1)
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}; // four corners (Top, Left), (Top, Right), (Bottom, Left), (Bottom, Right)
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for (int i = 0; i < 4; i++)
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{
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var cornerMatched = 0;
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var backColor = bmp.GetPixel(corners[i].X, corners[i].Y);
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for (int j = 0; j < 4; j++)
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{
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var cornerColor = bmp.GetPixel(corners[j].X, corners[j].Y);// Check RGB with some offset
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if ((cornerColor.R <= backColor.R * 1.1 && cornerColor.R >= backColor.R * 0.9) &&
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(cornerColor.G <= backColor.G * 1.1 && cornerColor.G >= backColor.G * 0.9) &&
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(cornerColor.B <= backColor.B * 1.1 && cornerColor.B >= backColor.B * 0.9))
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{
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cornerMatched++;
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}
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}
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if (cornerMatched > 2)
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{
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return backColor;
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}
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}
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return null;
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}
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#endregion
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#endregion
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}
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}
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21
Mk0.Tools.Images/GetCopyImage.cs
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21
Mk0.Tools.Images/GetCopyImage.cs
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using System.Drawing;
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namespace Mk0.Tools.Images
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{
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public class CopyImage
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{
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/// <summary>
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/// Helfer-Methode um eine Kopie eines Bildes zu erzeugen für Banner, weil es bei Anzeige im Banner nicht mehr am ursprünglichen Speicherort ist
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/// </summary>
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/// <param name="path">Pfad des Bildes</param>
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/// <returns>Kopie des Bildes</returns>
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public static Image GetCopyImage(string path)
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{
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using (Image im = Image.FromFile(path))
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{
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Bitmap bm = new Bitmap(im);
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return bm;
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}
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}
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}
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}
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46
Mk0.Tools.Images/Mk0.Tools.Images.csproj
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46
Mk0.Tools.Images/Mk0.Tools.Images.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>{8C546D79-1695-41B5-9AF3-3A30E9EF0337}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Mk0.Tools.Images</RootNamespace>
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<AssemblyName>Mk0.Tools.Images</AssemblyName>
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<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<Deterministic>true</Deterministic>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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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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<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="Microsoft.CSharp" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="BorderCropper.cs" />
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<Compile Include="GetCopyImage.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Resolution.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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</Project>
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36
Mk0.Tools.Images/Properties/AssemblyInfo.cs
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36
Mk0.Tools.Images/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("Mk0.Tools.Images")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Mk0.Tools.Images")]
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[assembly: AssemblyCopyright("Copyright © 2019 mk0.at")]
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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("8c546d79-1695-41b5-9af3-3a30e9ef0337")]
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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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// indem Sie "*" wie unten gezeigt 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")]
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18
Mk0.Tools.Images/Resolution.cs
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18
Mk0.Tools.Images/Resolution.cs
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using System;
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using System.Drawing;
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namespace Mk0.Tools.Images
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{
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public class Resolution
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{
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/// <summary>
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/// Gibt die Auflösung eines Bildes zurück
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/// </summary>
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/// <param name="img">Bild</param>
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/// <returns>Auflösung</returns>
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public static string GetImageResolution(Image img)
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{
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return Math.Round((((double)img.Height * (double)img.Width) / 1000000), 2) + " MP";
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}
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}
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}
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@ -1 +1,8 @@
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# Mk0.Tools.Images
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# Mk0.Tools.Images
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(C) 2019 mk0.at
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Allows the following operations
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+ BorderCropper - Crops off borders with the same colour from images
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+ GetCopyImage - Returns a copy (in ram) of an image (from disk)
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+ Resolution - Returns the resolution in megapixels of an image
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