private void ReconstructExifInfoCache()
{
OnChanging();
++suppressChangeEvents;
exifIdToExifInfo.Clear();
string[] exifKeys = GetKeys(ExifSectionName);
string[] piBlobs = new string[exifKeys.Length];
for (int i = 0; i < exifKeys.Length; ++i)
{
piBlobs[i] = GetValue(ExifSectionName, exifKeys[i]);
this.RemoveValue(ExifSectionName, exifKeys[i]);
}
foreach (string piBlob in piBlobs)
{
PropertyItem pi = PdnGraphics.DeserializePropertyItem(piBlob);
AddExifValues(new PropertyItem[] { pi });
}
--suppressChangeEvents;
OnChanged();
}
public static void LoadProperties(Image dstImage, Document srcDoc)
{
Bitmap asBitmap = dstImage as Bitmap;
if (asBitmap != null)
{
// Sometimes GDI+ does not honor the resolution tags that we
// put in manually via the EXIF properties.
float dpiX;
float dpiY;
switch (srcDoc.DpuUnit)
{
case MeasurementUnit.Centimeter:
dpiX = (float)Document.DotsPerCmToDotsPerInch(srcDoc.DpuX);
dpiY = (float)Document.DotsPerCmToDotsPerInch(srcDoc.DpuY);
break;
case MeasurementUnit.Inch:
dpiX = (float)srcDoc.DpuX;
dpiY = (float)srcDoc.DpuY;
break;
default:
case MeasurementUnit.Pixel:
dpiX = 1.0f;
dpiY = 1.0f;
break;
}
try
{
asBitmap.SetResolution(dpiX, dpiY);
}
catch (Exception)
{
// Ignore error
}
}
Metadata metaData = srcDoc.Metadata;
foreach (string key in metaData.GetKeys(Metadata.ExifSectionName))
{
string blob = metaData.GetValue(Metadata.ExifSectionName, key);
PropertyItem pi = PdnGraphics.DeserializePropertyItem(blob);
try
{
dstImage.SetPropertyItem(pi);
}
catch (ArgumentException)
{
// Ignore error: the image does not support property items
}
}
}
public static void LoadProperties(Image dstImage, Document srcDoc, Func <System.Drawing.Imaging.PropertyItem, bool> selectorFn)
{
Bitmap bitmap = dstImage as Bitmap;
if (bitmap != null)
{
float dpuX;
float dpuY;
switch (srcDoc.DpuUnit)
{
case MeasurementUnit.Inch:
dpuX = (float)srcDoc.DpuX;
dpuY = (float)srcDoc.DpuY;
break;
case MeasurementUnit.Centimeter:
dpuX = (float)Document.DotsPerCmToDotsPerInch(srcDoc.DpuX);
dpuY = (float)Document.DotsPerCmToDotsPerInch(srcDoc.DpuY);
break;
default:
dpuX = 1f;
dpuY = 1f;
break;
}
try
{
bitmap.SetResolution(dpuX, dpuY);
}
catch (Exception)
{
}
}
Metadata metadata = srcDoc.Metadata;
foreach (string str in metadata.GetKeys("$exif"))
{
System.Drawing.Imaging.PropertyItem arg = PdnGraphics.DeserializePropertyItem(metadata.GetValue("$exif", str));
if (selectorFn(arg))
{
try
{
dstImage.SetPropertyItem(arg);
}
catch (ArgumentException)
{
}
}
}
}
public static void LoadProperties(Image dstImage, Document srcDoc)
{
Metadata metaData = srcDoc.Metadata;
foreach (string key in metaData.GetKeys(Metadata.ExifSectionName))
{
string blob = metaData.GetValue(Metadata.ExifSectionName, key);
PropertyItem pi = PdnGraphics.DeserializePropertyItem(blob);
try
{
dstImage.SetPropertyItem(pi);
}
catch (ArgumentException)
{
// Ignore error: the image does not support property items
}
}
}