public ExifImage(BitmapImage imageSource, JpegInfo info)
{
PixelWidth = imageSource.PixelWidth;
PixelHeight = imageSource.PixelHeight;
AspectRatio = (double)PixelWidth / (double)PixelHeight;
Image = new Image();
Image.Source = imageSource;
ImageInfo = info;
}
void FetchImages()
{
//get file names from input text file.
string[] lines = System.IO.File.ReadAllLines("sdcard/MyFamilyResources/ImageAudio.txt");
string[] image_names = new string[lines.Length];
audio_names = new string[lines.Length];
int i = 0;
foreach (string line in lines)
{
// Use a tab to indent each line of the file.
string[] data = line.Split(' ');
image_names[i] = data[0];
audio_names[i] = data[1];
i++;
}
// Function to load images from Android File System
string path1 = "sdcard/MyFamilyResources/Images/";
string pathPreFix = @"file://";
textList = new Texture2D[image_names.Length];// init the list of textures.
audioSrcs = new AudioSource[audio_names.Length];
int index = 0;
while (index < frameCount)
{
WWW www = new WWW(pathPreFix + path1 + image_names[index]);
//yield return www;
ExifLib.JpegInfo jpi = ExifLib.ExifReader.ReadJpeg(www.bytes, (index + 1).ToString());
string orientation = jpi.Orientation.ToString();
if (orientation == "TopRight")
{
textList[index] = rotate90(www.texture);
}
else if (orientation == "BottomLeft")
{
textList[index] = rotateMinus90(www.texture);
}
else //if (orientation == "TopLeft")
{
textList[index] = www.texture;
}
index++;
}
}
/// <summary>
/// ExifLib - http://www.codeproject.com/Articles/47486/Understanding-and-Reading-Exif-Data
/// </summary>
IEnumerator LoadByteArrayIntoTexture(string url)
{
UnityWebRequest www = UnityWebRequest.Get(url);
yield return(www.SendWebRequest());
if (www.isNetworkError || www.isHttpError)
{
Debug.Log(www.error);
}
else
{
// retrieve results as binary data
byte[] results = www.downloadHandler.data;
Debug.Log("Finished Getting Image -> SIZE: " + results.Length.ToString());
ExifLib.JpegInfo jpi = ExifLib.ExifReader.ReadJpeg(results, "Sample File");
double[] Latitude = jpi.GpsLatitude;
double[] Longitude = jpi.GpsLongitude;
orientationString = jpi.Orientation.ToString();
ExifData.text = "<b>Exif Data:</b>" + "<color=white>";
ExifData.text = ExifData.text + "\n" + "FileName: " + jpi.FileName;
ExifData.text = ExifData.text + "\n" + "DateTime: " + jpi.DateTime;
ExifData.text = ExifData.text + "\n" + "GpsLatitude: " + Latitude[0] + "° " + Latitude[1] + "' " + Latitude[2] + '"';
ExifData.text = ExifData.text + "\n" + "GpsLongitude: " + Longitude[0] + "° " + Longitude[1] + "' " + Longitude[2] + '"';
ExifData.text = ExifData.text + "\n" + "Description: " + jpi.Description;
ExifData.text = ExifData.text + "\n" + "Height: " + jpi.Height + " pixels";
ExifData.text = ExifData.text + "\n" + "Width: " + jpi.Width + " pixels";
ExifData.text = ExifData.text + "\n" + "ResolutionUnit: " + jpi.ResolutionUnit;
ExifData.text = ExifData.text + "\n" + "UserComment: " + jpi.UserComment;
ExifData.text = ExifData.text + "\n" + "Make: " + jpi.Make;
ExifData.text = ExifData.text + "\n" + "Model: " + jpi.Model;
ExifData.text = ExifData.text + "\n" + "Software: " + jpi.Software;
ExifData.text = ExifData.text + "\n" + "Orientation: " + orientationString;
ExifData.text = ExifData.text + "</color>";
Texture2D tex = new Texture2D(2, 2);
tex.LoadImage(results);
newTexture = tex;
// Not sure why, but many images come in flipped 180 degrees
//newTexture = rotateTexture(newTexture, true); // Rotate clockwise 90 degrees
//newTexture = rotateTexture(newTexture, true); // Rotate clockwise 90 degrees (again, to flip it)
this.texture = newTexture;
}
}
/// <summary>
/// ExifLib - http://www.codeproject.com/Articles/47486/Understanding-and-Reading-Exif-Data
/// </summary>
IEnumerator GetImage(string url)
{
WWW www = new WWW(url);
Debug.Log("Fetching image " + url);
yield return(www);
if (!System.String.IsNullOrEmpty(www.error))
{
Debug.Log(www.error);
this.texture = null;
}
else
{
Debug.Log("Finished Getting Image -> SIZE: " + www.bytes.Length.ToString());
ExifLib.JpegInfo jpi = ExifLib.ExifReader.ReadJpeg(www.bytes, "Foo");
Debug.Log("EXIF: " + jpi.Orientation.ToString());
Debug.Log("EXIF: " + jpi.Model);
this.texture = www.texture;
}
}
private void ReadExif(JpegInfo info)
{
artist.Text = "Artist: " + info.Artist;
copyright.Text = "Copyright: " + info.Copyright;
datetime.Text = "Datetime: " + info.DateTime;
description.Text = "Description: " + info.Description;
exposure.Text = "Exposure: " + info.ExposureTime;
filename.Text = "File name: " + info.FileName;
filesize.Text = "File size: " + info.FileSize;
flash.Text = "Flash: " + info.Flash;
fnumber.Text = "F number: " + info.FNumber;
gpslatitude.Text = "GPS Latitude: " + info.GpsLatitude;
gpslatituderef.Text = "GPS Latitude ref: " + info.GpsLatitudeRef;
gpslongitude.Text = "GPS Longitude: " + info.GpsLongitude;
gpslongituderef.Text = "GPS Longitude ref: " + info.GpsLongitudeRef;
height.Text = "Height: " + info.Height;
iscolor.Text = "Is color: " + info.IsColor;
isvalid.Text = "Is valid: " + info.IsValid;
loadtime.Text = "Load time: " + info.LoadTime;
make.Text = "Make: " + info.Make;
orientation.Text = "Orientation: " + info.Orientation;
resolutionunit.Text = "Resolution unit: " + info.ResolutionUnit;
software.Text = "Software: " + info.Software;
thumbdata.Text = "Thumbnail data: " + info.ThumbnailData;
thumboffset.Text = "Thumbnail offset: " + info.ThumbnailOffset;
thumbsize.Text = "Thumbnail size: " + info.ThumbnailSize;
usercomment.Text = "User comment: " + info.UserComment;
width.Text = "Width: " + info.Width;
xresolution.Text = "X resolution: " + info.XResolution;
yresolution.Text = "Y resolution: " + info.YResolution;
photoLoaded = true;
if( info.Width == 2000)
{
wid.Text = "de";
}
}
IEnumerator LoadPictureCoroutine(string path)
{
WWW www = new WWW(path);
if (www.size == 0)
{
showlog("size 0");
yield return(new WaitForSeconds(1.0f));
LoadPicture(path);
}
else if (!string.IsNullOrEmpty(www.error))
{
showlog("error");
PictureLoaded(false, null, null);
}
else
{
ExifLib.JpegInfo jpi = ExifLib.ExifReader.ReadJpeg(www.bytes, "test2.jpg");
showlog("EXIF: " + jpi.Orientation);
Texture2D texture = new Texture2D(www.texture.width, www.texture.height, TextureFormat.RGB24, false);
texture.anisoLevel = 1;
texture.filterMode = FilterMode.Bilinear;
texture.wrapMode = TextureWrapMode.Clamp;
www.LoadImageIntoTexture(texture);
TextureScale.Bilinear(texture, texture.width / 10, texture.height / 10);
texture = TextureRotate.RotateImage(texture, -90);
Sprite picture = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.zero, 1);
PictureLoaded(true, path, picture);
}
}
protected ExifReader(Stream stream)
{
info = new JpegInfo();
int a = stream.ReadByte();
// ensure SOI marker
if (a != JpegId.START || stream.ReadByte() != JpegId.SOI)
return;
info.IsValid = true;
for (; ; )
{
int marker = 0, prev = 0;
// find next marker
for (a = 0; ; ++a)
{
marker = stream.ReadByte();
if (marker != JpegId.START && prev == JpegId.START) break;
prev = marker;
}
// read section length
int lenHigh = stream.ReadByte();
int lenLow = stream.ReadByte();
int itemlen = (lenHigh << 8) | lenLow;
// read the section
byte[] section = new byte[itemlen];
section[0] = (byte)lenHigh;
section[1] = (byte)lenLow;
int bytesRead = stream.Read(section, 2, itemlen - 2);
if (bytesRead != itemlen - 2)
return;
switch (marker)
{
case JpegId.SOS:
// start of stream: and we're done
return;
case JpegId.EOI:
// no data? no good.
return;
case JpegId.EXIF:
{
if (section[2] == 'E' &&
section[3] == 'x' &&
section[4] == 'i' &&
section[5] == 'f')
{
ProcessExif(section);
}
} break;
case JpegId.IPTC:
{
// don't care.
} break;
case 0xC0:
case 0xC1:
case 0xC2:
case 0xC3:
// case 0xC4: // not SOF
case 0xC5:
case 0xC6:
case 0xC7:
// case 0xC8: // not SOF
case 0xC9:
case 0xCA:
case 0xCB:
// case 0xCC: // not SOF
case 0xCD:
case 0xCE:
case 0xCF:
{
ProcessSOF(section, marker);
} break;
default:
{
// don't care.
} break;
}
section = null;
GC.Collect();
}
}
public virtual void Populate(JpegInfo info, ExifIFD ifd)
{
if (ifd == ExifIFD.Exif)
{
switch ((ExifId)this.Tag)
{
case ExifId.ImageWidth: info.Width = GetInt(0); break;
case ExifId.ImageHeight: info.Height = GetInt(0); break;
case ExifId.Orientation: info.Orientation = (ExifOrientation)GetInt(0); break;
case ExifId.XResolution: info.XResolution = GetNumericValue(0); break;
case ExifId.YResolution: info.YResolution = GetNumericValue(0); break;
case ExifId.ResolutionUnit: info.ResolutionUnit = (ExifUnit)GetInt(0); break;
case ExifId.DateTime: info.DateTime = GetStringValue(); break;
case ExifId.DateTimeOriginal: info.DateTimeOriginal = GetStringValue(); break;
case ExifId.Description: info.Description = GetStringValue(); break;
case ExifId.Make: info.Make = GetStringValue(); break;
case ExifId.Model: info.Model = GetStringValue(); break;
case ExifId.Software: info.Software = GetStringValue(); break;
case ExifId.Artist: info.Artist = GetStringValue(); break;
case ExifId.ThumbnailOffset: info.ThumbnailOffset = GetInt(0); break;
case ExifId.ThumbnailLength: info.ThumbnailSize = GetInt(0); break;
case ExifId.Copyright: info.Copyright = GetStringValue(); break;
case ExifId.UserComment: info.UserComment = GetStringValue(); break;
case ExifId.ExposureTime: info.ExposureTime = GetNumericValue(0); break;
case ExifId.FNumber: info.FNumber = GetNumericValue(0); break;
case ExifId.FlashUsed: info.Flash = (ExifFlash)GetInt(0); break;
default: break;
}
}
else if (ifd == ExifIFD.Gps)
{
switch ((ExifGps)this.Tag)
{
case ExifGps.LatitudeRef:
{
if (GetStringValue() == "N")
{
info.GpsLatitudeRef = ExifGpsLatitudeRef.North;
}
else if (GetStringValue() == "S")
{
info.GpsLatitudeRef = ExifGpsLatitudeRef.South;
}
} break;
case ExifGps.LongitudeRef:
{
if (GetStringValue() == "E")
{
info.GpsLongitudeRef = ExifGpsLongitudeRef.East;
}
else if (GetStringValue() == "W")
{
info.GpsLongitudeRef = ExifGpsLongitudeRef.West;
}
} break;
case ExifGps.Latitude:
{
if (Components == 3)
{
info.GpsLatitude[0] = GetNumericValue(0);
info.GpsLatitude[1] = GetNumericValue(1);
info.GpsLatitude[2] = GetNumericValue(2);
}
} break;
case ExifGps.Longitude:
{
if (Components == 3)
{
info.GpsLongitude[0] = GetNumericValue(0);
info.GpsLongitude[1] = GetNumericValue(1);
info.GpsLongitude[2] = GetNumericValue(2);
}
} break;
}
}
}
protected ExifReader(Stream stream)
{
info = new JpegInfo();
int a = stream.ReadByte();
// ensure SOI marker
if (a != JpegId.START || stream.ReadByte() != JpegId.SOI)
{
return;
}
info.IsValid = true;
for (; ;)
{
int marker = 0, prev = 0;
// find next marker
for (a = 0; ; ++a)
{
marker = stream.ReadByte();
if (marker != JpegId.START && prev == JpegId.START)
{
break;
}
prev = marker;
}
// read section length
int lenHigh = stream.ReadByte();
int lenLow = stream.ReadByte();
int itemlen = (lenHigh << 8) | lenLow;
// read the section
byte[] section = new byte[itemlen];
section[0] = (byte)lenHigh;
section[1] = (byte)lenLow;
int bytesRead = stream.Read(section, 2, itemlen - 2);
if (bytesRead != itemlen - 2)
{
return;
}
switch (marker)
{
case JpegId.SOS:
// start of stream: and we're done
return;
case JpegId.EOI:
// no data? no good.
return;
case JpegId.EXIF:
{
if (section[2] == 'E' &&
section[3] == 'x' &&
section[4] == 'i' &&
section[5] == 'f')
{
ProcessExif(section);
}
} break;
case JpegId.IPTC:
{
// don't care.
} break;
case 0xC0:
case 0xC1:
case 0xC2:
case 0xC3:
// case 0xC4: // not SOF
case 0xC5:
case 0xC6:
case 0xC7:
// case 0xC8: // not SOF
case 0xC9:
case 0xCA:
case 0xCB:
// case 0xCC: // not SOF
case 0xCD:
case 0xCE:
case 0xCF:
{
ProcessSOF(section, marker);
} break;
default:
{
// don't care.
} break;
}
section = null;
GC.Collect();
}
}
public virtual void Populate(JpegInfo info, ExifIFD ifd)
{
if (ifd == ExifIFD.Exif)
{
switch ((ExifId)this.Tag)
{
case ExifId.ImageWidth: info.Width = GetInt(0); break;
case ExifId.ImageHeight: info.Height = GetInt(0); break;
case ExifId.Orientation: info.Orientation = (ExifOrientation)GetInt(0); break;
case ExifId.XResolution: info.XResolution = GetNumericValue(0); break;
case ExifId.YResolution: info.YResolution = GetNumericValue(0); break;
case ExifId.ResolutionUnit: info.ResolutionUnit = (ExifUnit)GetInt(0); break;
case ExifId.DateTime: info.DateTime = GetStringValue(); break;
case ExifId.DateTimeOriginal: info.DateTimeOriginal = GetStringValue(); break;
case ExifId.Description: info.Description = GetStringValue(); break;
case ExifId.Make: info.Make = GetStringValue(); break;
case ExifId.Model: info.Model = GetStringValue(); break;
case ExifId.Software: info.Software = GetStringValue(); break;
case ExifId.Artist: info.Artist = GetStringValue(); break;
case ExifId.ThumbnailOffset: info.ThumbnailOffset = GetInt(0); break;
case ExifId.ThumbnailLength: info.ThumbnailSize = GetInt(0); break;
case ExifId.Copyright: info.Copyright = GetStringValue(); break;
case ExifId.UserComment: info.UserComment = GetStringValue(); break;
case ExifId.ExposureTime: info.ExposureTime = GetNumericValue(0); break;
case ExifId.FNumber: info.FNumber = GetNumericValue(0); break;
case ExifId.FlashUsed: info.Flash = (ExifFlash)GetInt(0); break;
default: break;
}
}
else if (ifd == ExifIFD.Gps)
{
switch ((ExifGps)this.Tag)
{
case ExifGps.LatitudeRef:
{
if (GetStringValue() == "N") info.GpsLatitudeRef = ExifGpsLatitudeRef.North;
else if (GetStringValue() == "S") info.GpsLatitudeRef = ExifGpsLatitudeRef.South;
} break;
case ExifGps.LongitudeRef:
{
if (GetStringValue() == "E") info.GpsLongitudeRef = ExifGpsLongitudeRef.East;
else if (GetStringValue() == "W") info.GpsLongitudeRef = ExifGpsLongitudeRef.West;
} break;
case ExifGps.Latitude:
{
if (Components == 3)
{
info.GpsLatitude[0] = GetNumericValue(0);
info.GpsLatitude[1] = GetNumericValue(1);
info.GpsLatitude[2] = GetNumericValue(2);
}
} break;
case ExifGps.Longitude:
{
if (Components == 3)
{
info.GpsLongitude[0] = GetNumericValue(0);
info.GpsLongitude[1] = GetNumericValue(1);
info.GpsLongitude[2] = GetNumericValue(2);
}
} break;
}
}
}
public virtual void Populate(JpegInfo info, ExifIFD ifd, long sectionStart)
{
if (ifd == ExifIFD.Exif)
{
switch ((ExifId)this.Tag)
{
case ExifId.FlashUsed:
info.Flash = (ExifFlash)this.GetInt(0);
break;
case ExifId.UserComment:
info.UserComment = this.GetStringValue();
break;
case ExifId.ExposureTime:
info.ExposureTime = this.GetNumericValue(0);
break;
case ExifId.FNumber:
info.FNumber = this.GetNumericValue(0);
break;
case ExifId.ThumbnailLength:
info.ThumbnailSize = this.GetInt(0);
break;
case ExifId.Copyright:
info.Copyright = this.GetStringValue();
break;
case ExifId.Artist:
info.Artist = this.GetStringValue();
break;
case ExifId.ThumbnailOffset:
info.ThumbnailOffset = this.GetInt(0);
break;
case ExifId.Software:
info.Software = this.GetStringValue();
break;
case ExifId.DateTime:
info.DateTime = this.GetStringValue();
break;
case ExifId.YResolution:
info.YResolution = this.GetNumericValue(0);
break;
case ExifId.ResolutionUnit:
info.ResolutionUnit = (ExifUnit)this.GetInt(0);
break;
case ExifId.Description:
info.Description = this.GetStringValue();
break;
case ExifId.Make:
info.Make = this.GetStringValue();
break;
case ExifId.Model:
info.Model = this.GetStringValue();
break;
case ExifId.Orientation:
info.OrientationOffset = sectionStart + this.ValueOffset;
info.Orientation = (ExifOrientation)this.GetInt(0);
break;
case ExifId.XResolution:
info.XResolution = this.GetNumericValue(0);
break;
case ExifId.ImageWidth:
info.Width = this.GetInt(0);
break;
case ExifId.ImageHeight:
info.Height = this.GetInt(0);
break;
}
}
else
{
if (ifd != ExifIFD.Gps)
{
return;
}
switch (this.Tag)
{
case 1:
if (this.GetStringValue() == "N")
{
info.GpsLatitudeRef = ExifGpsLatitudeRef.North;
break;
}
if (!(this.GetStringValue() == "S"))
{
break;
}
info.GpsLatitudeRef = ExifGpsLatitudeRef.South;
break;
case 2:
if (this.Components != 3)
{
break;
}
info.GpsLatitude[0] = this.GetNumericValue(0);
info.GpsLatitude[1] = this.GetNumericValue(1);
info.GpsLatitude[2] = this.GetNumericValue(2);
break;
case 3:
if (this.GetStringValue() == "E")
{
info.GpsLongitudeRef = ExifGpsLongitudeRef.East;
break;
}
if (!(this.GetStringValue() == "W"))
{
break;
}
info.GpsLongitudeRef = ExifGpsLongitudeRef.West;
break;
case 4:
if (this.Components != 3)
{
break;
}
info.GpsLongitude[0] = this.GetNumericValue(0);
info.GpsLongitude[1] = this.GetNumericValue(1);
info.GpsLongitude[2] = this.GetNumericValue(2);
break;
}
}
}
public ExifReader(Stream stream)
{
this.info = new JpegInfo();
if (stream.ReadByte() != (int)byte.MaxValue || stream.ReadByte() != 216)
{
return;
}
this.info.IsValid = true;
while (true)
{
int num1 = 0;
int num2 = 0;
int marker;
while (true)
{
marker = stream.ReadByte();
if (marker == (int)byte.MaxValue || num1 != (int)byte.MaxValue)
{
num1 = marker;
++num2;
}
else
{
break;
}
}
long position = stream.Position;
int num3 = stream.ReadByte();
int num4 = stream.ReadByte();
int length = num3 << 8 | num4;
byte[] numArray = new byte[length];
numArray[0] = (byte)num3;
numArray[1] = (byte)num4;
if (stream.Read(numArray, 2, length - 2) == length - 2)
{
switch (marker)
{
case 192:
case 193:
case 194:
case 195:
case 197:
case 198:
case 199:
case 201:
case 202:
case 203:
case 205:
case 206:
case 207:
this.ProcessSOF(numArray, marker);
break;
case 217:
goto label_10;
case 218:
goto label_7;
case 225:
if ((int)numArray[2] == 69 && (int)numArray[3] == 120 && ((int)numArray[4] == 105 && (int)numArray[5] == 102))
{
this.ProcessExif(numArray, position);
break;
}
break;
}
GC.Collect();
}
else
{
break;
}
}
return;
label_7:
return;
label_10 :;
}
public void ReadExif(JpegInfo info)
{
this.seb = info.Width;
}
