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58 lines
2.5 KiB
58 lines
2.5 KiB
// <copyright file="DrawImage.cs" company="James Jackson-South">
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// Copyright (c) James Jackson-South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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namespace ImageSharp
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{
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using System;
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using Drawing.Processors;
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/// <summary>
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/// Extension methods for the <see cref="Image"/> type.
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/// </summary>
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public static partial class ImageExtensions
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{
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/// <summary>
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/// Draws the given image together with the current one by blending their pixels.
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/// </summary>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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/// <param name="source">The image this method extends.</param>
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/// <param name="image">The image to blend with the currently processing image.</param>
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/// <param name="percent">The opacity of the image image to blend. Must be between 0 and 100.</param>
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/// <returns>The <see cref="Image{TColor}"/>.</returns>
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public static Image<TColor> Blend<TColor>(this Image<TColor> source, Image<TColor> image, int percent = 50)
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where TColor : struct, IPixel<TColor>
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{
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return DrawImage(source, image, percent, default(Size), default(Point));
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}
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/// <summary>
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/// Draws the given image together with the current one by blending their pixels.
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/// </summary>
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/// <param name="source">The image this method extends.</param>
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/// <param name="image">The image to blend with the currently processing image.</param>
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/// <typeparam name="TColor">The pixel format.</typeparam>
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/// <param name="percent">The opacity of the image image to blend. Must be between 0 and 100.</param>
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/// <param name="size">The size to draw the blended image.</param>
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/// <param name="location">The location to draw the blended image.</param>
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/// <returns>The <see cref="Image{TColor}"/>.</returns>
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public static Image<TColor> DrawImage<TColor>(this Image<TColor> source, Image<TColor> image, int percent, Size size, Point location)
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where TColor : struct, IPixel<TColor>
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{
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if (size == default(Size))
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{
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size = new Size(image.Width, image.Height);
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}
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if (location == default(Point))
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{
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location = Point.Empty;
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}
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source.ApplyProcessor(new DrawImageProcessor<TColor>(image, size, location, percent), source.Bounds);
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return source;
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}
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}
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}
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