StandardImageHelper.iOS.cs

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// Copyright (c) 2014 Silicon Studio Corp. (http://siliconstudio.co.jp)
// This file is distributed under GPL v3. See LICENSE.md for details.
#if SILICONSTUDIO_PLATFORM_IOS
using System;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using MonoTouch.CoreGraphics;
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using SiliconStudio.Core;

namespace SiliconStudio.Paradox.Graphics
{
    /// <summary>
    /// This class is responsible to provide image loader for png, gif, bmp.
    /// </summary>
    partial class StandardImageHelper
    {
        public static Image LoadFromMemory(IntPtr pSource, int size, bool makeACopy, GCHandle? handle)
        {
            using (var imagedata = NSData.FromBytes(pSource, (uint) size))
            using (var cgImage = new UIImage(imagedata).CGImage)
            {
                var image = Image.New2D(cgImage.Width, cgImage.Height, 1, PixelFormat.R8G8B8A8_UNorm, 1, cgImage.BytesPerRow);

                using (var context = new CGBitmapContext(image.PixelBuffer[0].DataPointer, cgImage.Width, cgImage.Height, 8, cgImage.Width*4, cgImage.ColorSpace, CGBitmapFlags.PremultipliedLast))
                {
                    context.DrawImage(new RectangleF(0, 0, cgImage.Width, cgImage.Height), cgImage);

                    if (handle != null)
                        handle.Value.Free();
                    else if (!makeACopy)
                        Utilities.FreeMemory(pSource);

                    return image;  
                }
            }
        }

        public static void SaveGifFromMemory(PixelBuffer[] pixelBuffers, int count, ImageDescription description, Stream imageStream)
        {
            throw new NotImplementedException();
        }

        public static void SaveTiffFromMemory(PixelBuffer[] pixelBuffers, int count, ImageDescription description, Stream imageStream)
        {
            throw new NotImplementedException();
        }

        public static void SaveBmpFromMemory(PixelBuffer[] pixelBuffers, int count, ImageDescription description, Stream imageStream)
        {
            throw new NotImplementedException();
        }

        public static void SaveJpgFromMemory(PixelBuffer[] pixelBuffers, int count, ImageDescription description, Stream imageStream)
        {
            throw new NotImplementedException();
        }

        public static void SavePngFromMemory(PixelBuffer[] pixelBuffers, int count, ImageDescription description, Stream imageStream)
        {
            throw new NotImplementedException();
        }

        public static void SaveWmpFromMemory(PixelBuffer[] pixelBuffers, int count, ImageDescription description, Stream imageStream)
        {
            throw new NotImplementedException();
        }
    }
}
#endif