src/Tizen.Content.MediaContent/Interop/Interop.ImageInformation.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17
  18 using System;
  19 using System.Runtime.InteropServices;
  20 using Tizen.Content.MediaContent;
  21
  22 internal static partial class Interop
  23 {
  24     internal static partial class ImageInformation
  25     {
  26         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_destroy", CallingConvention = CallingConvention.Cdecl)]
  27         internal static extern MediaContentError Destroy(IntPtr media);
  28
  29         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_clone", CallingConvention = CallingConvention.Cdecl)]
  30         internal static extern MediaContentError Clone(out SafeImageInformationHandle dst, SafeImageInformationHandle src);
  31
  32         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_orientation", CallingConvention = CallingConvention.Cdecl)]
  33         internal static extern MediaContentError GetOrientation(SafeImageInformationHandle imageInformationHandle, out MediaContentOrientation orientation);
  34
  35         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_date_taken", CallingConvention = CallingConvention.Cdecl)]
  36         internal static extern MediaContentError GetDateTaken(SafeImageInformationHandle imageInformationHandle, out IntPtr dateTaken);
  37
  38         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_burst_id", CallingConvention = CallingConvention.Cdecl)]
  39         internal static extern MediaContentError GetBurstId(SafeImageInformationHandle imageInformationHandle, out IntPtr burstId);
  40
  41         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_exposure_time", CallingConvention = CallingConvention.Cdecl)]
  42         internal static extern MediaContentError GetExposureTime(SafeImageInformationHandle imageInformationHandle, out IntPtr exposureTime);
  43
  44         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_fnumber", CallingConvention = CallingConvention.Cdecl)]
  45         internal static extern MediaContentError GetFNumber(SafeImageInformationHandle imageInformationHandle, out double fNumber);
  46
  47         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_iso", CallingConvention = CallingConvention.Cdecl)]
  48         internal static extern MediaContentError GetISO(SafeImageInformationHandle imageInformationHandle, out int iso);
  49
  50         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_model", CallingConvention = CallingConvention.Cdecl)]
  51         internal static extern MediaContentError GetModel(SafeImageInformationHandle imageInformationHandle, out IntPtr model);
  52
  53         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_is_burst_shot", CallingConvention = CallingConvention.Cdecl)]
  54         internal static extern MediaContentError IsBurstShot(SafeImageInformationHandle imageInformationHandle, out bool isBurstShot);
  55
  56         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_set_orientation", CallingConvention = CallingConvention.Cdecl)]
  57         internal static extern MediaContentError SetOrientation(SafeImageInformationHandle imageInformationHandle, MediaContentOrientation orientation);
  58
  59         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_media_id", CallingConvention = CallingConvention.Cdecl)]
  60         internal static extern MediaContentError GetMediaId(SafeImageInformationHandle imageInformationHandle, out IntPtr mediaId);
  61
  62         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_width", CallingConvention = CallingConvention.Cdecl)]
  63         internal static extern MediaContentError GetWidth(SafeImageInformationHandle imageInformationHandle, out int width);
  64
  65         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_get_height", CallingConvention = CallingConvention.Cdecl)]
  66         internal static extern MediaContentError GetHeight(SafeImageInformationHandle imageInformationHandle, out int width);
  67
  68         [DllImport(Libraries.MediaContent, EntryPoint = "image_meta_update_to_db", CallingConvention = CallingConvention.Cdecl)]
  69         internal static extern MediaContentError UpdateToDB(IntPtr imageInformationHandle);
  70
  71         internal sealed class SafeImageInformationHandle : SafeHandle
  72         {
  73             public SafeImageInformationHandle()
  74                 : base(IntPtr.Zero, true)
  75             {
  76             }
  77
  78             public override bool IsInvalid
  79             {
  80                 get { return this.handle == IntPtr.Zero; }
  81             }
  82
  83             protected override bool ReleaseHandle()
  84             {
  85                 ImageInformation.Destroy(this.handle);
  86                 this.SetHandle(IntPtr.Zero);
  87                 return true;
  88             }
  89         }
  90     }
  91 }