Determines whether the specified bits per pixel value supported by LEADTOOLS is compatible with GDI+.
Syntax
Parameters
- bitsPerPixel
- The input bits per pixel value.
Return Value
true if
bitsPerPixel is compatible with GDI+, otherwise it is false.
Example
Visual Basic | Copy Code |
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Public Sub IsValidBitsPerPixelExample()
Dim codecs As New RasterCodecs()
Using image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"))
' check if this image has a valid gdi plus bits/pixel. It should say true
If RasterImageConverter.IsValidBitsPerPixel(image.BitsPerPixel) Then
Console.WriteLine(String.Format("{0} is a valid GDI+ bits/pixel", image.BitsPerPixel))
Else
Console.WriteLine(String.Format("{0} is not a valid GDI+ bits/pixel", image.BitsPerPixel))
End If
' change this image to grayscale 12-bit
Dim cmd As New ColorResolutionCommand( _
ColorResolutionCommandMode.InPlace, _
12, _
RasterByteOrder.Gray, _
RasterDitheringMethod.None, _
ColorResolutionCommandPaletteFlags.Optimized, _
Nothing)
cmd.Run(image)
' check if this image has a valid gdi plus bits/pixel. It should say false
If RasterImageConverter.IsValidBitsPerPixel(image.BitsPerPixel) Then
Console.WriteLine(String.Format("{0} is a valid GDI+ bits/pixel", image.BitsPerPixel))
Else
Console.WriteLine(String.Format("{0} is not a valid GDI+ bits/pixel", image.BitsPerPixel))
End If
End Using
codecs.Dispose()
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class |
C# | Copy Code |
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public void IsValidBitsPerPixelExample()
{
RasterCodecs codecs = new RasterCodecs();
using(RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")))
{
// check if this image has a valid gdi plus bits/pixel. It should say true
if(RasterImageConverter.IsValidBitsPerPixel(image.BitsPerPixel))
{
Console.WriteLine(string.Format("{0} is a valid GDI+ bits/pixel", image.BitsPerPixel));
}
else
{
Console.WriteLine(string.Format("{0} is not a valid GDI+ bits/pixel", image.BitsPerPixel));
}
// change this image to grayscale 12-bit
ColorResolutionCommand cmd = new ColorResolutionCommand(
ColorResolutionCommandMode.InPlace,
12,
RasterByteOrder.Gray,
RasterDitheringMethod.None,
ColorResolutionCommandPaletteFlags.Optimized,
null);
cmd.Run(image);
// check if this image has a valid gdi plus bits/pixel. It should say false
if(RasterImageConverter.IsValidBitsPerPixel(image.BitsPerPixel))
{
Console.WriteLine(string.Format("{0} is a valid GDI+ bits/pixel", image.BitsPerPixel));
}
else
{
Console.WriteLine(string.Format("{0} is not a valid GDI+ bits/pixel", image.BitsPerPixel));
}
}
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
} |
Remarks
Requirements
Target Platforms: Silverlight 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)
See Also