// Copyright Dirk Lemstra https://github.com/dlemstra/Magick.NET.
// Licensed under the Apache License, Version 2.0.

using System.IO;
using ImageMagick;

namespace Magick.NET.Samples;

public static class ConvertImageSamples
{
    public static void ConvertImageFromOneFormatToAnother()
    {
        // Read first frame of gif image
        using var image = new MagickImage(SampleFiles.SnakewareGif);

        // Save frame as jpg
        image.Write(SampleFiles.OutputDirectory + "Snakeware.jpg");

        var settings = new MagickReadSettings();
        // Tells the xc: reader the image to create should be 800x600
        settings.Width = 800;
        settings.Height = 600;

        using var memStream = new MemoryStream();

        // Create image that is completely purple and 800x600
        using var purple = new MagickImage("xc:purple", settings);

        // Sets the output format to png
        purple.Format = MagickFormat.Png;

        // Write the image to the memorystream
        purple.Write(memStream);

        // Read image from file
        using var snakeware = new MagickImage(SampleFiles.SnakewarePng);

        // Sets the output format to jpeg
        snakeware.Format = MagickFormat.Jpeg;

        // Create byte array that contains a jpeg file
        var data = snakeware.ToByteArray();
    }

    public static void ConvertCmykToRgb()
    {
        // Uses sRGB.icm, eps/pdf produce better result when you set this before loading.
        var settings = new MagickReadSettings
        {
            ColorSpace = ColorSpace.sRGB
        };

        // Create empty image
        using var eps = new MagickImage();

        // Reads the eps image, the specified settings tell Ghostscript to create an sRGB image
        eps.Read(SampleFiles.SnakewareEps, settings);

        // Save image as tiff
        eps.Write(SampleFiles.OutputDirectory + "Snakeware.tiff");

        // Read image from file
        using var png = new MagickImage(SampleFiles.SnakewareJpg);

        // Will use the CMYK profile if the image does not contain a color profile.
        // The second profile will transform the colorspace from CMYK to RGB
        png.TransformColorSpace(ColorProfile.USWebCoatedSWOP, ColorProfile.SRGB);

        // Save image as png
        png.Write(SampleFiles.OutputDirectory + "Snakeware.png");

        // Read image from file
        using var tiff = new MagickImage(SampleFiles.SnakewareJpg);

        // Will use the CMYK profile if your image does not contain a color profile.
        // The second profile will transform the colorspace from your custom icc profile
        tiff.TransformColorSpace(ColorProfile.USWebCoatedSWOP, new ColorProfile(SampleFiles.YourProfileIcc));

        // Save image as tiff
        tiff.Write(SampleFiles.OutputDirectory + "Snakeware.tiff");
    }
}
