www.pudn.com > GDIPlusCF.zip > Image.cs

using System; 
using System.Collections.Generic; 
using System.Text; 
using OpenNETCF.Runtime.InteropServices.ComTypes; 
 
namespace OpenNETCF.GDIPlus 
{ 
    public class ImagePlus : IDisposable 
    { 
 
 
        public ImagePlus(string filename, bool useEmbeddedColorManagement) 
        { 
        } 
 
        public ImagePlus( 
            IStream stream, 
            bool useEmbeddedColorManagement 
        ) 
        { 
            NativeMethods.GdipLoadImageFromStream(stream, out nativeImage); 
        } 
 
        //static public ImagePlus FromFile( 
        //    string filename, 
        //    bool useEmbeddedColorManagement  
        //) 
        //{ 
        //} 
 
        static public ImagePlus FromStream( 
            IStream stream, 
            bool useEmbeddedColorManagement 
        ) 
        { 
            return new ImagePlus(stream, useEmbeddedColorManagement); 
        } 
 
        ~ImagePlus() 
        { 
        } 
 
        //    public virtual ImagePlus Clone() 
        //    { 
        //    } 
 
        //GpStatus Save(string filename, 
        //            ref Guid clsidEncoder, 
        //            EncoderParameters encoderParams ) 
        //{ 
        //} 
        //GpStatus Save(IStream stream, 
        //            ref Guid clsidEncoder, 
        //            EncoderParameters encoderParams ) 
        //{ 
        //} 
 
        //    GpStatus SaveAdd(EncoderParameters encoderParams) 
        //    { 
        //    } 
        //GpStatus SaveAdd(ImagePlus newImage, 
        //               EncoderParameters encoderParams) 
        //{ 
        //} 
 
        //ImageType GetType() {} 
        public GpStatus GetPhysicalDimension(out GpSizeF size) 
        { 
 
            float width, height; 
            GpStatus status; 
 
            status = SetStatus(NativeMethods.GdipGetImageDimension(nativeImage, 
                                                                 out width, out height)); 
 
            size.Width = width; 
            size.Height = height; 
 
            return status; 
        } 
 
        public GpStatus GetBounds(out GpRectF srcRect, 
                         out Unit srcUnit) 
        { 
            return SetStatus(NativeMethods.GdipGetImageBounds(nativeImage, 
                                                    out srcRect, out srcUnit)); 
        } 
 
        public uint GetWidth() 
        { 
            GpRectF rc; 
            Unit unit; 
            GetBounds(out rc, out unit); 
            return (uint)rc.Width; 
        } 
        public uint GetHeight() 
        { 
            GpRectF rc; 
            Unit unit; 
            GetBounds(out rc, out unit); 
            return (uint)rc.Height; 
        } 
        //float GetHorizontalResolution(); 
        //float GetVerticalResolution(); 
        //uint GetFlags(); 
        public GpStatus GetRawFormat(out Guid format) 
        { 
            return SetStatus(NativeMethods.GdipGetImageRawFormat(nativeImage, out format)); 
        } 
 
        public System.Drawing.Imaging.PixelFormat GetPixelFormat() 
        { 
 
            System.Drawing.Imaging.PixelFormat format; 
 
            SetStatus(NativeMethods.GdipGetImagePixelFormat(nativeImage, out format)); 
 
            return format; 
 
        } 
 
        //int GetPaletteSize(); 
        //Status GetPalette(OUT ColorPalette* palette, 
        //                  int size); 
        //Status SetPalette(ColorPalette* palette); 
 
        //ImagePlus GetThumbnailImage(uint thumbWidth, 
        //                         uint thumbHeight); 
        //uint GetFrameDimensionsCount(); 
        //GpStatus GetFrameDimensionsList(Guid[] dimensionIDs, 
        //                              uint count); 
        //uint GetFrameCount(ref Guid dimensionID); 
        //GpStatus SelectActiveFrame(ref Guid dimensionID, 
        //                         uint frameIndex); 
        //GpStatus RotateFlip(RotateFlipType rotateFlipType); 
        //uint GetPropertyCount(); 
        //GpStatus GetPropertyIdList(uint numOfProperty, 
        //                         out PROPID[] list); 
        //uint GetPropertyItemSize(PROPID propId); 
        //Status GetPropertyItem(PROPID propId, 
        //                       uint propSize, 
        //                       OUT PropertyItem* buffer); 
        //Status GetPropertySize(OUT UINT* totalBufferSize, 
        //                       OUT UINT* numProperties); 
        //Status GetAllPropertyItems(uint totalBufferSize, 
        //                           uint numProperties, 
        //                           OUT PropertyItem* allItems); 
        //Status RemovePropertyItem(PROPID propId); 
        //Status SetPropertyItem(PropertyItem* item); 
 
        //uint  GetEncoderParameterListSize(CLSID* clsidEncoder); 
        //Status GetEncoderParameterList(CLSID* clsidEncoder, 
        //                               uint size, 
        //                               OUT EncoderParameters* buffer); 
 
        public GpStatus GetLastStatus() 
        { 
            return lastResult; 
        } 
 
 
 
        internal ImagePlus() { } 
 
        internal ImagePlus(GpImage nativeImage, GpStatus status) 
        { 
            SetNativeImage(nativeImage); 
        } 
 
        internal void SetNativeImage(GpImage nativeImage) 
        { 
            this.nativeImage = nativeImage; 
        } 
 
        protected GpStatus SetStatus(GpStatus status) 
        { 
            if (status != GpStatus.Ok) 
                return (lastResult = status); 
            else 
                return status; 
        } 
 
        internal GpImage nativeImage; 
        protected GpStatus lastResult; 
        protected GpStatus loadStatus; 
 
 
        private ImagePlus(ImagePlus C) 
        { 
 
            NativeMethods.GdipCloneImage(C.nativeImage, out this.nativeImage); 
        } 
 
        #region IDisposable Members 
 
        public void Dispose() 
        { 
            if (nativeImage != IntPtr.Zero) 
            { 
                NativeMethods.GdipDisposeImage(nativeImage); 
                nativeImage = null; 
            } 
        } 
 
        #endregion 
    } 
}