public void TestGetPixel()
{
var thisImage = new NetImage();
thisImage.ImageFormat = NetImage.ImageFormats.PNG;
// No image data yet, value returned is zero
var pixelColor = thisImage.GetPixel(640, 480);
Assert.AreEqual(0, pixelColor);
// Initialize image
thisImage.BackgroundColor = NetImage.DotNETARGBToVBScriptRGB(0x32FF0000);
thisImage.MaxX = 1024;
thisImage.MaxY = 768;
pixelColor = thisImage.GetPixel(640, 480);
// Backgrounds can only be solid colors
Assert.AreEqual(System.Drawing.Color.FromArgb(255, 255, 0, 0).ToArgb(), NetImage.VBScriptRGBToDotNETARGB(pixelColor));
// Verify color change
thisImage.BackgroundColor = NetImage.DotNETARGBToVBScriptRGB(System.Drawing.Color.FromArgb(50, 0, 0, 255).ToArgb());
thisImage.ClearImage();
pixelColor = thisImage.GetPixel(640, 480);
Assert.AreEqual(System.Drawing.Color.FromArgb(255, 0, 0, 255).ToArgb(), NetImage.VBScriptRGBToDotNETARGB(pixelColor));
}
public void TestPropertyFontColor()
{
var thisImage = new NetImage();
const int testValue = -8421505; //System.Drawing.Color.FromArgb(255, 127, 127, 127).ToArgb();
thisImage.FontColor = NetImage.DotNETARGBToVBScriptRGB(System.Drawing.Color.FromArgb(255, 127, 127, 127).ToArgb());
Assert.AreEqual(testValue, NetImage.VBScriptRGBToDotNETARGB(thisImage.FontColor));
}
public void TestLineTo()
{
const string outputFilePath = "../../Output/LineTo.png";
var redColor = System.Drawing.Color.FromArgb(255, 255, 0, 0).ToArgb();
var blueColor = System.Drawing.Color.FromArgb(255, 0, 0, 255).ToArgb();
var thisImage = new NetImage();
thisImage.BackgroundColor = NetImage.DotNETARGBToVBScriptRGB(System.Drawing.Color.FromArgb(255, 255, 255, 255).ToArgb());
thisImage.MaxX = 1024;
thisImage.MaxY = 1024;
thisImage.Filename = outputFilePath;
thisImage.ImageFormat = NetImage.ImageFormats.PNG; // bitmap form to preserve pixels
thisImage.AutoClear = false;
thisImage.X = 0;
thisImage.Y = 0;
thisImage.PenColor = NetImage.DotNETARGBToVBScriptRGB(redColor);
thisImage.PenWidth = 1;
thisImage.LineTo(1023, 1023);
thisImage.PenColor = NetImage.DotNETARGBToVBScriptRGB(blueColor);
thisImage.LineTo(1023, 0);
thisImage.SaveImage();
// Verify diagonal pixels
for (int x = 0; x <= 1022; x++) // Only to 1022 because blue line covers up bottom right pixel
{
Assert.AreEqual(redColor, NetImage.VBScriptRGBToDotNETARGB(thisImage.GetPixel(x, x)));
}
// Verify vertical pixels
for (int y = 0; y <= 1023; y++)
{
Assert.AreEqual(blueColor, NetImage.VBScriptRGBToDotNETARGB(thisImage.GetPixel(1023, y)));
}
}
public void TestFillRect()
{
const string outputFilePath = "../../Output/FillRect.png";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768-white.png");
thisImage.ImageFormat = NetImage.ImageFormats.PNG;
thisImage.Filename = outputFilePath;
thisImage.BackgroundColor = NetImage.DotNETARGBToVBScriptRGB(Color.Red.ToArgb());
thisImage.FillRect(10, 10, 20, 20);
thisImage.AutoClear = false; // Don't clear on save so we can still access raw image
thisImage.SaveImage();
var color1 = ((Bitmap)thisImage.RawNetImage).GetPixel(9, 9).ToArgb();
var color2 = ((Bitmap)thisImage.RawNetImage).GetPixel(10, 10).ToArgb();
var color3 = ((Bitmap)thisImage.RawNetImage).GetPixel(20, 20).ToArgb();
var color4 = ((Bitmap)thisImage.RawNetImage).GetPixel(21, 21).ToArgb();
Assert.AreEqual(Color.White.ToArgb(), color1);
Assert.AreEqual(Color.Red.ToArgb(), color2);
Assert.AreEqual(Color.Red.ToArgb(), color3);
Assert.AreEqual(Color.White.ToArgb(), color4);
}