public void ResizeWidthTest()
{
// Input are expected are provided as resources, dithered is what
// we are testing
Bitmap input = Properties.Resources.white_bitmap;
using (var logo = new PrinterImage(input))
{
// Use the RoundUp method since that is done internally
// in PrinterImage. This is to allow for Assert.AreEqual tests
// First scale down by 50%
var shrink = (input.Width / 2).RoundUp(8);
var expectedH = (input.Height / 2).RoundUp(8);
logo.Resize(shrink, 0, true);
Assert.AreEqual(shrink, logo.Width);
Assert.AreEqual(expectedH, logo.Height);
// Now double in size
var grow = (input.Width * 2).RoundUp(8);
expectedH = (input.Height * 2).RoundUp(8);
logo.Resize(grow, 0, true);
Assert.AreEqual(grow, logo.Width);
Assert.AreEqual(expectedH, logo.Height);
};
}
public void ApplyColorInversionTest()
{
// Input are expected are provided as resources, dithered is what
// we are testing
Bitmap input, inverted, expected;
input = Properties.Resources.white_bitmap;
var path = Path.Combine(baseDir, "white_inverse_test.bmp");
input.Save(path);
using (var logo = new PrinterImage(path))
{
logo.Resize(input.Width, 0, true);
Assert.IsFalse(logo.IsInverted);
logo.ApplyColorInversion();
inverted = logo.ImageData.ToBitmap();
expected = Properties.Resources.black_bitmap;
// White should ivnert to black
Assert.IsTrue(ImageTestHelpers.CompareMemCmp(expected, inverted));
Assert.True(logo.IsInverted);
// Flip back to white, test that the inversion flag is cleared
logo.ApplyColorInversion();
Assert.IsFalse(logo.IsInverted);
};
}
/// <inheritdoc />
public override void SetImage(PrinterImage image, IDocument doc, int index)
{
while (index > doc.Sections.Count)
{
doc.Sections.Add(new Placeholder());
}
doc.Sections[index] = new RelianceImageSection()
{
Image = image,
};
}
public void ResizeZeroExceptionTest()
{
Bitmap input = Properties.Resources.white_bitmap;
using (var logo = new PrinterImage(input))
{
Assert.Throws <ImagingException>(() => logo.Resize(0, 0, true));
}
using (var logo = new PrinterImage(input))
{
Assert.Throws <ImagingException>(() => logo.Resize(0, 0, false));
}
}
public void ResizeNoneTest()
{
// Input are expected are provided as resources, dithered is what
// we are testing
Bitmap input = Properties.Resources.white_bitmap;
using (var logo = new PrinterImage(input))
{
var oldW = logo.Width.RoundUp(8);
var oldH = logo.Height.RoundUp(8);
logo.Resize(logo.Width, logo.Height, false);
Assert.AreEqual(oldW, logo.Width);
Assert.AreEqual(oldH, logo.Height);
}
}
/// <summary>
/// Phoenix does not currently supports ESC/POS images at this time.
/// </summary>
/// <param name="image"></param>
/// <param name="doc"></param>
/// <param name="index"></param>
public override void SetImage(PrinterImage image, IDocument doc, int index)
{
while (index > doc.Sections.Count)
{
doc.Sections.Add(new Placeholder());
}
doc.Sections[index] = new StandardSection()
{
Content = "\nImage section is not supported on Phoenix\n",
Effects = FontEffects.Bold,
HeightScalar = FontHeighScalar.h2,
WidthScalar = FontWidthScalar.w2,
Justification = FontJustification.JustifyCenter,
AutoNewline = true,
};
}
/// <inheritdoc /> public abstract void SetImage(PrinterImage image, IDocument doc, int index);
