private void ConstructorStreamUseLocalTest(bool xmlDebugging)
{
_decoder = new GifDecoder(@"images\wikipedia example UseLocal.gif",
xmlDebugging);
_decoder.Decode();
_frame = _decoder.Frames[0];
Assert.AreEqual(ErrorState.Ok, _frame.ConsolidatedState);
WikipediaExample.CheckImage(_frame.TheImage);
// Check image descriptor
ImageDescriptor id = _frame.ImageDescriptor;
Assert.AreEqual(true, id.HasLocalColourTable,
"HasLocalColourTable");
Assert.AreEqual(false, id.IsInterlaced, "IsInterlaced");
Assert.AreEqual(false, id.IsSorted, "LocalColourTableIsSorted");
Assert.AreEqual(4, id.LocalColourTableSize, "LocalColourTableSize");
Assert.AreEqual(new Point(0, 0), id.Position, "Position");
Assert.AreEqual(new Size(3, 5), id.Size, "Size");
WikipediaExample.CheckGraphicControlExtension(_frame.GraphicControlExtension);
WikipediaExample.CheckImageData(_frame.IndexedPixels);
Assert.AreEqual(0, _frame.BackgroundColour.R);
Assert.AreEqual(0, _frame.BackgroundColour.G);
Assert.AreEqual(0, _frame.BackgroundColour.B);
if (xmlDebugging)
{
Assert.AreEqual(ExpectedDebugXml, _frame.DebugXml);
}
}
private void ConstructorStreamTest(bool xmlDebugging)
{
MemoryStream s = CreateStream();
// Extra stuff not included in the frame stream, to pass to the
// constructor.
ColourTable colourTable = WikipediaExample.GlobalColourTable;
GraphicControlExtension ext = WikipediaExample.GraphicControlExtension;
LogicalScreenDescriptor lsd = WikipediaExample.LogicalScreenDescriptor;
_frame = new GifFrame(s, lsd, colourTable, ext, null, null, xmlDebugging);
Assert.AreEqual(ErrorState.Ok, _frame.ConsolidatedState);
WikipediaExample.CheckImage(_frame.TheImage);
WikipediaExample.CheckImageDescriptor(_frame.ImageDescriptor);
WikipediaExample.CheckGraphicControlExtension(_frame.GraphicControlExtension);
WikipediaExample.CheckImageData(_frame.IndexedPixels);
Assert.AreEqual(0, _frame.BackgroundColour.R);
Assert.AreEqual(0, _frame.BackgroundColour.G);
Assert.AreEqual(0, _frame.BackgroundColour.B);
if (xmlDebugging)
{
Assert.AreEqual(ExpectedDebugXml, _frame.DebugXml);
}
}
private void ConstructorTest(bool xmlDebugging)
{
byte[] bytes = WikipediaExample.ImageDataBytes;
MemoryStream s = new MemoryStream();
s.Write(bytes, 0, bytes.Length);
s.Seek(0, SeekOrigin.Begin);
int pixelCount = WikipediaExample.FrameSize.Width
* WikipediaExample.FrameSize.Height;
_tbid = new TableBasedImageData(s, pixelCount, xmlDebugging);
Assert.AreEqual(ErrorState.Ok, _tbid.ConsolidatedState);
WikipediaExample.CheckImageData(_tbid);
if (xmlDebugging)
{
Assert.AreEqual(ExpectedDebugXml, _tbid.DebugXml);
}
}