Dim caption As String = "Example: GetAnnotationOpacity"
Dim gdpicturePDF As GdPicturePDF = New GdPicturePDF()
Dim status As GdPictureStatus = gdpicturePDF.LoadFromFile("test.pdf", False)
If status = GdPictureStatus.OK Then
Dim message As String = ""
Dim pageCount As Integer = gdpicturePDF.GetPageCount()
For i As Integer = 1 To pageCount
status = gdpicturePDF.SelectPage(i)
If status = GdPictureStatus.OK Then
message = message + "The page nr." + i.ToString()
Dim annotCount As Integer = gdpicturePDF.GetAnnotationCount()
status = gdpicturePDF.GetStat()
If status = GdPictureStatus.OK Then
If annotCount = 0 Then
message = message + " does not contain any annotations."
Else
Dim annotSubType As String = ""
Dim color As Color = Color.Black, fillColor As Color = Color.Black
Dim opacity As Byte = 0
Dim l As Single = 0, t As Single = 0, w As Single = 0, h As Single = 0
For j As Integer = 0 To annotCount - 1
annotSubType = gdpicturePDF.GetAnnotationSubType(j)
If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
If annotSubType.Equals("Stamp") Then
message = message + vbCrLf + "AnnotID: " + j.ToString()
message = message + vbCrLf + " color: "
color = gdpicturePDF.GetAnnotationColor(j)
status = gdpicturePDF.GetStat()
If status = GdPictureStatus.OK Then message = message + color.ToString() Else message = message + status.ToString()
message = message + " fill color: "
fillColor = gdpicturePDF.GetAnnotationFillColor(j)
status = gdpicturePDF.GetStat()
If status = GdPictureStatus.OK Then message = message + fillColor.ToString() Else message = message + status.ToString()
message = message + " opacity: "
opacity = gdpicturePDF.GetAnnotationOpacity(j)
status = gdpicturePDF.GetStat()
If status = GdPictureStatus.OK Then message = message + opacity.ToString() Else message = message + status.ToString()
message = message + " rectangle: "
status = gdpicturePDF.GetAnnotationRect(j, l, t, w, h)
If status = GdPictureStatus.OK Then message = message + "[" + l.ToString() + "," + t.ToString() + " ; w:" + w.ToString() + " h:" + h.ToString() + "]" Else message = message + status.ToString()
End If
Else
message = message + vbCrLf + "The GetAnnotationSubType() method has failed with the status: " + status.ToString()
End If
Next
End If
Else
message = message + ": the GetAnnotationCount() method has failed with the status: " + status.ToString()
End If
message = message + vbCrLf
Else
message = message + "The SelectPage(" + i.ToString() + ") method has failed with the status: " + status.ToString() + vbCrLf
End If
Next
MessageBox.Show(message, caption)
Else
MessageBox.Show("The file can't be loaded.", caption)
End If
gdpicturePDF.Dispose()
string caption = "Example: GetAnnotationOpacity";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
GdPictureStatus status = gdpicturePDF.LoadFromFile("test.pdf", false);
if (status == GdPictureStatus.OK)
{
string message = "";
int pageCount = gdpicturePDF.GetPageCount();
for (int i = 1; i <= pageCount; i++)
{
status = gdpicturePDF.SelectPage(i);
if (status == GdPictureStatus.OK)
{
message = message + "The page nr." + i.ToString();
int annotCount = gdpicturePDF.GetAnnotationCount();
status = gdpicturePDF.GetStat();
if (status == GdPictureStatus.OK)
{
if (annotCount == 0)
{
message = message + " does not contain any annotations.";
}
else
{
string annotSubType = "";
Color color = Color.Black, fillColor = Color.Black;
byte opacity = 0;
float l = 0, t = 0, w = 0, h = 0;
for (int j = 0; j < annotCount; j++)
{
annotSubType = gdpicturePDF.GetAnnotationSubType(j);
if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
{
if (annotSubType.Equals("Stamp"))
{
message = message + "\nAnnotID: " + j.ToString();
message = message + "\n color: ";
color = gdpicturePDF.GetAnnotationColor(j);
status = gdpicturePDF.GetStat();
if (status == GdPictureStatus.OK) message = message + color;
else message = message + status.ToString();
message = message + " fill color: ";
fillColor = gdpicturePDF.GetAnnotationFillColor(j);
status = gdpicturePDF.GetStat();
if (status == GdPictureStatus.OK) message = message + fillColor;
else message = message + status.ToString();
message = message + " opacity: ";
opacity = gdpicturePDF.GetAnnotationOpacity(j);
status = gdpicturePDF.GetStat();
if (status == GdPictureStatus.OK) message = message + opacity.ToString();
else message = message + status.ToString();
message = message + " rectangle: ";
status = gdpicturePDF.GetAnnotationRect(j, ref l, ref t, ref w, ref h);
if (status == GdPictureStatus.OK) message = message + "[" + l.ToString() + "," + t.ToString() + " ; w:" + w.ToString() + " h:" + h.ToString() + "]";
else message = message + status.ToString();
}
}
else
{
message = message + "\nThe GetAnnotationSubType() method has failed with the status: " + status.ToString();
}
}
}
}
else
message = message + ": the GetAnnotationCount() method has failed with the status: " + status.ToString();
message = message + "\n";
}
else
message = message + "The SelectPage(" + i.ToString() + ") method has failed with the status: " + status.ToString() + "\n";
}
MessageBox.Show(message, caption);
}
else
{
MessageBox.Show("The file can't be loaded.", caption);
}
gdpicturePDF.Dispose();
