public void Test_Text_Rotation()
{
var plt = new ScottPlot.Plot(400, 300);
// start with default settings
var txt = new ScottPlot.Plottable.Text()
{
Label = "hello"
};
plt.Add(txt);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
string hash1 = ScottPlot.Tools.BitmapHash(bmp1);
// change the plottable
txt.Rotation = 45;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
string hash2 = ScottPlot.Tools.BitmapHash(bmp2);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
Console.WriteLine($"Before: {hash1}");
Console.WriteLine($"After: {hash2}");
Assert.AreNotEqual(hash1, hash2);
}
public void Test_Text_FontSize()
{
var plt = new ScottPlot.Plot(400, 300);
// start with default settings
var txt = new ScottPlot.Plottable.Text()
{
Label = "hello", FontSize = 12
};
plt.Add(txt);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
txt.FontSize = 36;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsDarkerThan(before));
}
public void Test_Text_FontBold()
{
// bold fonts are supported on all operating systems so only test on windows
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) == false)
{
return;
}
var plt = new ScottPlot.Plot(400, 300);
// start with default settings
var txt = new ScottPlot.Plottable.Text()
{
Label = "hello", FontSize = 12
};
plt.Add(txt);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
txt.FontBold = true;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsDarkerThan(before));
}
public void Test_Text_FontColor()
{
var plt = new ScottPlot.Plot(400, 300);
// start with default settings
var txt = new ScottPlot.Plottable.Text()
{
Label = "hello", Color = System.Drawing.Color.Gray
};
plt.Add(txt);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
txt.Color = System.Drawing.Color.Blue;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(before.IsGray());
Assert.That(after.IsNotGray());
Assert.That(after.IsMoreBlueThan(before));
}