public void Image_Open()
{
Map m = new Map(10, 10);
Image i1 = new Image(10, 10);
m.Background = new Color("green");
m.Render(i1);
Image i2 = Image.Open(@".\data\10x10green.png");
Assert.AreEqual(i1.Compare(i2), 0);
}
public void Image_FromBytes()
{
Map m = new Map(10, 10);
Image i1 = new Image(10, 10);
m.Background = new Color("green");
m.Render(i1);
byte[] buffer = File.ReadAllBytes(@".\data\10x10green.png");
Image i2 = Image.FromBytes(buffer);
Assert.AreEqual(i1.Compare(i2), 0);
}
public void Image_Compare_InvalidSize()
{
Image i1 = new Image(256, 256);
Image i2 = new Image(512, 512);
i1.Compare(i2);
}
public void Image_Compare()
{
Map m1 = new Map(256, 256);
Map m2 = new Map(256, 256);
Image i1 = new Image(256, 256);
Image i2 = new Image(256, 256);
Assert.AreEqual(i1.Compare(i2), 0);
i1.SetPixel(0, 0, new Color("white"));
Assert.AreEqual(i1.Compare(i2), 1);
m1.Background = new Color("black");
m1.Render(i1);
Assert.AreEqual(i1.Width() * i1.Height(), i1.Compare(i2));
//test options
m1.Background= new Color(100, 100, 100, 255);
m1.Render(i1);
i2 = new Image(256, 256);
m2.Background = new Color(100,100,100,100);
m2.Render(i2);
Dictionary<string, object> options;
options = new Dictionary<string, object> { { "Alpha", false } };
Assert.AreEqual(i1.Compare(i2, options), 0);
m1.Background = new Color(255, 255, 255);
m1.Render(i1);
m2.Background = new Color(255, 255, 255);
m2.Render(i2);
i2.SetPixel(0, 0, new Color(250, 250, 250));
options = new Dictionary<string, object> { { "Threshold", 5 } };
Assert.AreEqual(i1.Compare(i2, options), 0);
}
public void VectorTile_Overzoom_Render()
{
Mapnik.RegisterDatasource(Path.Combine(Mapnik.Paths["InputPlugins"], "shape.input"));
Map m = new Map(256, 256);
m.Load(@".\data\layer.xml");
m.ZoomToBox(-20037508.34, -20037508.34, 20037508.34, 20037508.34);
VectorTile v1 = new VectorTile(0, 0, 0, 256, 256);
m.Render(v1);
m.ZoomToBox(-20037508.34, 0, 0, 20037508.34);
VectorTile v2 = new VectorTile(1, 0, 0, 256, 256);
m.Render(v2);
Map renderMap = new Map(256, 256);
renderMap.Load(@".\data\style.xml");
Image i1 = new Image(256, 256);
Image i2 = new Image(256, 256);
Dictionary<string, object> options = new Dictionary<string, object>();
options["Z"] = 1;
v1.Render(renderMap, i1, options);
v2.Render(renderMap, i2);
//Small diff showing up between images
Assert.IsTrue(i1.Compare(i2)-500 < 0);
}
public void VectorTile_Render_Image()
{
Mapnik.RegisterDatasource(Path.Combine(Mapnik.Paths["InputPlugins"], "shape.input"));
Map m = new Map(256, 256);
m.Load(@".\data\layer.xml");
m.Extent = new double[] { -20037508.34, 0, 0, 20037508.34 };
VectorTile v = new VectorTile(1, 0, 0);
m.Render(v);
VectorTile v2 = new VectorTile(1, 0, 0);
v2.SetData(v.GetData());
Map m2 = new Map(256, 256);
m2.Load(@".\data\style.xml");
Image i = new Image(256, 256);
v2.Render(m2, i);
Assert.AreEqual(0,i.Compare(Image.Open(@".\data\world_1.0.0.png")));
}
public void VectorTile_AddImage()
{
VectorTile v = new VectorTile(1, 0, 0);
byte[] bytes = File.ReadAllBytes(@".\data\world_1.0.0.png");
v.AddImage(bytes, "raster");
Assert.IsFalse(v.Empty());
Assert.IsTrue(v.Painted());
CollectionAssert.AreEquivalent(new List<string>() { "raster" }, v.Names().ToList());
Map m = new Map(256, 256);
m.Load(@".\data\raster_style.xml");
Image i = new Image(256, 256);
v.Render(m, i);
Assert.AreEqual(0,i.Compare(Image.FromBytes(bytes)));
}
