public void Test_RemoveAlpha() { string tempFile = Path.GetTempPath() + Guid.NewGuid().ToString() + ".png"; try { using (MagickImage image = new MagickImage(Files.MagickNETIconPNG)) { Assert.IsTrue(image.HasAlpha); image.ColorAlpha(new MagickColor("yellow")); image.HasAlpha = true; image.Write(tempFile); image.Read(tempFile); // TODO: Figure out why this does not fail in a single run but does when all tests are run. //Assert.IsTrue(image.HasAlpha); PngOptimizer optimizer = new PngOptimizer(); optimizer.LosslessCompress(tempFile); image.Read(tempFile); Assert.IsFalse(image.HasAlpha); } } finally { if (File.Exists(tempFile)) File.Delete(tempFile); } }
public void Test_RemoveAlpha() { string tempFile = GetTemporaryFileName(".png"); try { using (MagickImage image = new MagickImage(Files.MagickNETIconPNG)) { Assert.IsTrue(image.HasAlpha); image.ColorAlpha(new MagickColor("yellow")); image.HasAlpha = true; image.Write(tempFile); image.Read(tempFile); Assert.IsTrue(image.HasAlpha); PngOptimizer optimizer = new PngOptimizer(); optimizer.LosslessCompress(tempFile); image.Read(tempFile); Assert.IsFalse(image.HasAlpha); } } finally { File.Delete(tempFile); } }