88 lines
3.4 KiB
C#
88 lines
3.4 KiB
C#
/*
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Copyright (c) 2017, John Lewin
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System.IO;
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using MatterHackers.Agg;
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using MatterHackers.Agg.Image;
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using MatterHackers.Agg.ImageProcessing;
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using MatterHackers.Agg.Platform;
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using MatterHackers.Agg.UI;
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using MatterHackers.VectorMath;
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namespace MatterHackers.MatterControl.Library
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{
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public static class LibraryProviderHelpers
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{
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public static ImageBuffer LoadInvertIcon(params string[] pathSegments)
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{
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return AggContext.StaticData.LoadIcon(Path.Combine(pathSegments)); //.InvertLightness();
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}
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public static void RenderCentered(this Graphics2D graphics2D, ImageBuffer imageBuffer, double width, double height)
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{
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int targetWidth = graphics2D.DestImage.Width;
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int targetHeight = graphics2D.DestImage.Height;
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graphics2D.Render(
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imageBuffer,
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width == targetWidth ? 0 : targetWidth / 2 - width / 2,
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height == targetHeight? 0 : targetHeight / 2 - height / 2,
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width,
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height);
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}
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/// <summary>
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/// Generates a resized images matching the target bounds
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/// </summary>
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/// <param name="imageBuffer">The ImageBuffer to resize</param>
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/// <param name="targetWidth">The target width</param>
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/// <param name="targetHeight">The target height</param>
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/// <returns>A resized ImageBuffer contrained to the given bounds and centered on the new surface</returns>
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public static ImageBuffer ResizeImage(ImageBuffer imageBuffer, int targetWidth, int targetHeight)
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{
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var expectedSize = new Vector2((int)(targetWidth * GuiWidget.DeviceScale), (int)(targetHeight * GuiWidget.DeviceScale));
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int width = imageBuffer.Width;
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int height = imageBuffer.Height;
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bool resizeWidth = width >= height;
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bool resizeRequired = (resizeWidth) ? width != expectedSize.X : height != expectedSize.Y;
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if (resizeRequired)
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{
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var scaledImageBuffer = ImageBuffer.CreateScaledImage(imageBuffer, targetWidth, targetHeight);
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scaledImageBuffer.SetRecieveBlender(new BlenderPreMultBGRA());
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return scaledImageBuffer;
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}
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return imageBuffer;
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}
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}
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}
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