public void Test_Image_Size()
{
var plt = new ScottPlot.Plot(400, 300);
var img = plt.AddImage(ScottPlot.DataGen.SampleImage(), 1, 9);
img.X = 2;
img.Y = 9;
img.WidthInAxisUnits = 1;
img.HeightInAxisUnits = 4;
img.Rotation = 15;
plt.SetAxisLimits(0, 10, 0, 10);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
img.Scale = 2;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
img.WidthInAxisUnits = 2;
var bmp3 = TestTools.GetLowQualityBitmap(plt);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
//TestTools.SaveFig(bmp3, "3");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
var afterafter = new MeanPixel(bmp3);
Assert.That(after.IsDarkerThan(before));
Assert.That(afterafter.IsDarkerThan(after));
}
public void Test_ImageRotationAlignment_LowerRight()
{
var plt = new ScottPlot.Plot(400, 300);
System.Drawing.Bitmap image = ScottPlot.DataGen.SampleImage();
int[] rotations = { 0, 90, -90, 180 };
for (int i = 0; i < rotations.Length; i++)
{
double x = i / 2;
double y = i % 2;
var img = plt.AddImage(image, x, y);
img.Rotation = rotations[i];
img.Alignment = ScottPlot.Alignment.LowerRight;
img.BorderColor = Color.LightGray;
img.BorderSize = 5;
plt.AddPoint(x, y, Color.Red, size: 5);
}
plt.Title("ImageRotationAlignment.lowerRight");
plt.AxisAuto(.5, .5);
TestTools.SaveFig(plt);
}
public void Test_ImageScale()
{
var plt = new ScottPlot.Plot(800, 600);
System.Drawing.Bitmap image = ScottPlot.DataGen.SampleImage();
float[] scales = { 0.2f, 0.5f, 1f, 1.5f };
for (int i = 0; i < scales.Length; i++)
{
double x = i / 2;
double y = i % 2;
var img = plt.AddImage(image, x, y);
img.Scale = scales[i];
img.Rotation = 30;
img.Alignment = ScottPlot.Alignment.LowerRight;
img.BorderColor = Color.LightGray;
img.BorderSize = 5;
plt.AddPoint(x, y, Color.Red, size: 5);
}
plt.Title("ImageScale");
plt.AxisAuto(.5, .5);
TestTools.SaveFig(plt);
}
