public void TestDarkenImage()
{
const string outputFilePath = "../../Output/Brightness-Darken_image.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768-white.png");
thisImage.Filename = outputFilePath;
thisImage.DarkenImage(50);
thisImage.SaveImage();
// TODO : Check RGB values
Assert.Pass("DarkenImage passed but does not verify RGB Values");
}
public void TestClearImage()
{
const string outputFilePath = "../../Output/ClearImage.png";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768-white.png");
thisImage.ImageFormat = NetImage.ImageFormats.PNG;
thisImage.Filename = outputFilePath;
thisImage.BackgroundColor = Color.FromArgb(0, 0, 0).ToArgb();
thisImage.ClearImage();
thisImage.AutoClear = false;
thisImage.SaveImage();
var clearedImage = new NetImage();
clearedImage.LoadImage("../../Resources/1024x768-black.png");
var modifiedImage = new Bitmap(thisImage.RawNetImage);
var comparisonImage = new Bitmap(clearedImage.RawNetImage);
var thisConverter = new ImageConverter();
var modifiedImageBytes = new byte[0];
var comparisonImageBytes = new byte[0];
modifiedImageBytes = (byte[])thisConverter.ConvertTo(modifiedImage, modifiedImageBytes.GetType());
comparisonImageBytes = (byte[])thisConverter.ConvertTo(comparisonImage, comparisonImageBytes.GetType());
var hasher = new SHA256Managed();
byte[] modifiedImageHash = hasher.ComputeHash(modifiedImageBytes);
byte[] comparisonImageHash = hasher.ComputeHash(comparisonImageBytes);
bool isMatch = true;
for (int i = 0; i < modifiedImageHash.Length && i < comparisonImageHash.Length && isMatch; i++)
{
if (modifiedImageHash[i] != comparisonImageHash[i])
{
isMatch = false;
}
}
Assert.IsTrue(isMatch);
}
public void TestRotate180Degrees()
{
const string outputFilePath = "../../Output/Rotate-180_degrees.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.Filename = outputFilePath;
thisImage.RotateImage(180);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(1024, width);
Assert.AreEqual(768, height);
}
public void TestFlipVertical()
{
const string outputFilePath = "../../Output/Flip-Vertical.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.Filename = outputFilePath;
thisImage.FlipImage(NetImage.FlipDirections.Vertical);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(1024, width);
Assert.AreEqual(768, height);
}
public void TestCropImage()
{
const string outputFilePath = "../../Output/CropImage.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.Filename = outputFilePath;
thisImage.CropImage(10, 50, 800, 600);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(800, width);
Assert.AreEqual(600, height);
}
public void TestResizePortraitWithoutConstraint()
{
const string outputFilePath = "../../Output/Resize-Variant_aspect_ratio_portrait-Unconstrained.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/900x1440.png");
thisImage.Filename = outputFilePath;
thisImage.ConstrainResize = false;
thisImage.Resize(800, 600);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(800, width);
Assert.AreEqual(600, height);
}
public void TestResizeLandscapeWithConstraint()
{
const string outputFilePath = "../../Output/Resize-Variant_aspect_ratio_landscape-Constrained.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1440x900.png");
thisImage.Filename = outputFilePath;
thisImage.ConstrainResize = true;
thisImage.Resize(800, 600);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(800, width);
Assert.AreEqual(600, height);
}
public void TestResizeSameAspectRatioWithConstraint()
{
const string outputFilePath = "../../Output/Resize-Same_aspect_ratio-Constrained.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.Filename = outputFilePath;
thisImage.ConstrainResize = true;
thisImage.Resize(800, 600);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(800, width);
Assert.AreEqual(600, height);
}
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 TestRotate90DegreesWithCrop()
{
const string outputFilePath = "../../Output/Rotate-90_degrees_with_crop.jpg";
int originalWidth = 0;
int originalHeight = 0;
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.GetImageSize(out originalWidth, out originalHeight);
thisImage.Filename = outputFilePath;
thisImage.RotateImage(90);
thisImage.ConstrainResize = true;
thisImage.Resize(originalWidth, originalHeight);
thisImage.SaveImage();
int width, height;
thisImage.GetImageFileSize(outputFilePath, out width, out height);
Assert.AreEqual(originalWidth, width);
Assert.AreEqual(originalHeight, height);
}
public void TestGIMPImage()
{
const string outputFilePath = "../../Output/gimpimage.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/gimpimage.jpg");
if (thisImage.Error.Length <= 0)
{
int width = 0;
int height = 0;
thisImage.GetImageSize(out width, out height);
if (width > 0 && height > 0)
{
thisImage.Filename = outputFilePath;
thisImage.SaveImage();
if (thisImage.Error.Length <= 0)
{
var fileInfo = new System.IO.FileInfo(outputFilePath);
Assert.That(fileInfo.Length > 0, "Image filesize is zero bytes");
}
else
{
Assert.Fail("SaveImage() error: " + thisImage.Error);
}
}
else
{
Assert.Fail("Loaded image sizes incorrect - width: " + width.ToString(CultureInfo.InvariantCulture) + ", height: " + height.ToString(CultureInfo.InvariantCulture));
}
}
else
{
Assert.Fail("LoadImage() error: " + thisImage.Error);
}
}
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);
}
public void TestAutoClear()
{
const string outputFilePath = "../../Output/AutoClear.jpg";
var thisImage = new NetImage();
thisImage.LoadImage("../../Resources/1024x768.png");
thisImage.AutoClear = true;
thisImage.Filename = outputFilePath;
thisImage.SaveImage();
try
{
// On SaveImage() call, the image data should be null and
// generate an exception. If it doesn't, we know the
// data was not cleared.
thisImage.RotateImage(90);
Assert.Fail("Image data not cleared");
}
catch (Exception)
{
Assert.Pass();
}
}