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); }