src/Tizen.Multimedia.Util/Interop/Interop.ImageUtil.Encode.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 using System;
  18 using System.Runtime.InteropServices;
  19 using Tizen;
  20 using Tizen.Multimedia.Util;
  21
  22 internal static partial class Interop
  23 {
  24     internal static partial class ImageUtil
  25     {
  26         internal static class Encode
  27         {
  28             [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  29             internal delegate void EncodeCompletedCallback(ImageUtilError ImageUtilError, IntPtr userData, ulong size);
  30
  31             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_run_async")]
  32             internal static extern ImageUtilError EncodeRunAsync(ImageEncoderHandle handle,
  33                 EncodeCompletedCallback callback, IntPtr userData = default(IntPtr));
  34
  35             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_create")]
  36             internal static extern ImageUtilError Create(ImageFormat type, out ImageEncoderHandle handle);
  37
  38             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_destroy")]
  39             internal static extern ImageUtilError Destroy(IntPtr handle);
  40
  41             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_set_quality")]
  42             internal static extern ImageUtilError SetQuality(ImageEncoderHandle handle, int quality);
  43
  44             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_set_png_compression")]
  45             internal static extern ImageUtilError SetPngCompression(ImageEncoderHandle handle, PngCompression compression);
  46
  47             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_run_to_buffer")]
  48             internal static extern ImageUtilError RunToBuffer(ImageEncoderHandle handle, IntPtr imageUtilHandle, out IntPtr buffer, out int size);
  49
  50             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_encode_set_lossless")]
  51             internal static extern ImageUtilError SetLossless(ImageEncoderHandle handle, bool lossless);
  52
  53             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_create")]
  54             internal static extern ImageUtilError AnimationCreate(AnimationType type, out IntPtr animHandle);
  55
  56             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_set_loop_count")]
  57             internal static extern ImageUtilError AnimationSetLoopCount(IntPtr animHandle, uint count);
  58
  59             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_set_background_color")]
  60             internal static extern ImageUtilError AnimationSetBackgroundColor(IntPtr animHandle, byte r, byte g, byte b, byte a);
  61
  62             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_set_lossless")]
  63             internal static extern ImageUtilError AnimationSetLossless(IntPtr animHandle, bool isLossless);
  64
  65             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_add_frame")]
  66             internal static extern ImageUtilError AnimationAddFrame(IntPtr animHandle, IntPtr utilHandle, uint delayTime);
  67
  68             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_save_to_file")]
  69             internal static extern ImageUtilError AnimationSaveToFile(IntPtr animHandle, string path);
  70
  71             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_save_to_buffer")]
  72             internal static extern ImageUtilError AnimationSaveToBuffer(IntPtr animHandle, out IntPtr dstBuffer, out ulong size);
  73
  74             [DllImport(Libraries.ImageUtil, EntryPoint = "image_util_anim_encode_destroy")]
  75             internal static extern ImageUtilError AnimationDestroy(IntPtr animHandle);
  76         }
  77     }
  78
  79     internal class ImageEncoderHandle : SafeHandle
  80     {
  81         protected ImageEncoderHandle() : base(IntPtr.Zero, true)
  82         {
  83         }
  84
  85         public override bool IsInvalid => handle == IntPtr.Zero;
  86
  87
  88         protected override bool ReleaseHandle()
  89         {
  90             var ret = ImageUtil.Encode.Destroy(handle);
  91             if (ret != ImageUtilError.None)
  92             {
  93                 Log.Debug(GetType().FullName, $"Failed to release native {GetType().Name}");
  94                 return false;
  95             }
  96
  97             return true;
  98         }
  99     }
 100
 101     internal class AgifImageEncoderHandle : SafeHandle
 102     {
 103         protected AgifImageEncoderHandle() : base(IntPtr.Zero, true)
 104         {
 105         }
 106
 107         public override bool IsInvalid => handle == IntPtr.Zero;
 108
 109
 110         protected override bool ReleaseHandle()
 111         {
 112             var ret = ImageUtil.Encode.Destroy(handle);
 113             if (ret != ImageUtilError.None)
 114             {
 115                 Log.Debug(GetType().FullName, $"Failed to release native {GetType().Name}");
 116                 return false;
 117             }
 118
 119             return true;
 120         }
 121     }
 122 }