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

using System; 
using System.Runtime.InteropServices; 
using System.Collections.Generic; 
using System.Text; 
 
namespace OpenNETCF.GDIPlus 
{ 
public delegate  int NotificationHookProc(out IntPtr token); 
public delegate void NotificationUnhookProc(IntPtr token); 
 
 
    // Input structure for GdiplusStartup() 
 
    [StructLayout(LayoutKind.Sequential)] 
    public class GdiplusStartupInput 
    { 
        public uint GdiplusVersion;             // Must be 1  (or 2 for the Ex version) 
        int DebugEventCallback; // Ignored on free builds 
        public bool SuppressBackgroundThread;     // FALSE unless you're prepared to call  
        // the hook/unhook functions properly 
        public bool SuppressExternalCodecs;       // FALSE unless you want GDI+ only to use 
        // its internal image codecs. 
 
        public GdiplusStartupInput( 
            int debugEventCallback, 
            bool suppressBackgroundThread, 
            bool suppressExternalCodecs) 
        { 
            GdiplusVersion = 1; 
            DebugEventCallback = debugEventCallback; 
            SuppressBackgroundThread = suppressBackgroundThread; 
            SuppressExternalCodecs = suppressExternalCodecs; 
        } 
        public GdiplusStartupInput() 
            : this(0, false, false) 
        { 
        } 
 
    } 
 
    public enum GdiplusStartupParams:uint 
    { 
        GdiplusStartupDefault = 0, 
        GdiplusStartupNoSetRound = 1, 
        GdiplusStartupSetPSValue = 2, 
        GdiplusStartupTransparencyMask = 0xFF000000 
    } 
 
    // Output structure for GdiplusStartup() 
 
    [StructLayout(LayoutKind.Sequential)] 
    public struct GdiplusStartupOutput 
    { 
        // The following 2 fields are NULL if SuppressBackgroundThread is FALSE. 
        // Otherwise, they are functions which must be called appropriately to 
        // replace the background thread. 
        // 
        // These should be called on the application's main message loop - i.e. 
        // a message loop which is active for the lifetime of GDI+. 
        // "NotificationHook" should be called before starting the loop, 
        // and "NotificationUnhook" should be called after the loop ends. 
 
        IntPtr /*NotificationHookProc*/ NotificationHook; 
        IntPtr /*NotificationUnhookProc*/ NotificationUnhook; 
    }; 
 
//--------------------------------------------------------------------------- 
// Encoder Parameter structure 
//--------------------------------------------------------------------------- 
    [StructLayout(LayoutKind.Sequential)] 
    public struct EncoderParameter 
    { 
        public Guid Guid;               // GUID of the parameter 
        public uint NumberOfValues;     // Number of the parameter values 
        public uint Type;               // Value type, like ValueTypeLONG  etc. 
        IntPtr Value;              // A pointer to the parameter values 
    } 
 
//--------------------------------------------------------------------------- 
// Encoder Parameters structure 
//--------------------------------------------------------------------------- 
public class EncoderParameters 
{ 
    public uint Count;                      // Number of parameters in this structure 
    [MarshalAs(UnmanagedType.ByValArray)] 
    public EncoderParameter[] Parameters;          // Parameter values 
}; 
 
    public class GpStatusPlus 
    { 
        public GpStatus Status; 
 
        public static implicit operator GpStatusPlus(GpStatus status) 
        { 
            GpStatusPlus sp = new GpStatusPlus(); 
            sp.Status = status; 
            if (status != GpStatus.Ok) 
                throw new Exception(string.Format("Bad status : {0}", status)); 
            return sp; 
        } 
    } 
}