private static void ApplySize(PrintElementImage image, dynamic size)
{
if (size != null)
{
PrintElementSize imageSize = null;
double width;
if (BuildHelper.TryToSizeInPixels(size.Width, size.SizeUnit, out width))
{
imageSize = imageSize ?? new PrintElementSize();
imageSize.Width = width;
}
double height;
if (BuildHelper.TryToSizeInPixels(size.Height, size.SizeUnit, out height))
{
imageSize = imageSize ?? new PrintElementSize();
imageSize.Height = height;
}
image.Size = imageSize;
}
}
private static IEnumerable <byte> ImageToPixels(PrintElementImage image)
{
//var bitmap = image.Source as BitmapSource;
//if (bitmap != null)
//{
// var stride = bitmap.PixelWidth * 4;
// var size = bitmap.PixelHeight * stride;
// var pixels = new byte[size];
// bitmap.CopyPixels(pixels, stride, 0);
// return pixels;
//}
//return null;
var stream = image.Source;
if (stream == null)
{
return(null);
}
using (var ms = new MemoryStream())
{
stream.CopyTo(ms);
return(ms.ToArray());
}
}
public object Create(PrintElementBuildContext buildContext, dynamic elementMetadata)
{
PrintElementImage element = CreateBarcodeImage(buildContext, elementMetadata);
BuildHelper.ApplyTextProperties(element, buildContext.ElementStyle);
BuildHelper.ApplyTextProperties(element, elementMetadata);
BuildHelper.ApplyInlineProperties(element, buildContext.ElementStyle);
BuildHelper.ApplyInlineProperties(element, elementMetadata);
return(element);
}
public void ShouldBuildImage()
{
// Given
var context = HtmlBuilderTestHelper.CreateHtmlBuilderContext();
var element = new PrintElementImage(_getStream(Resources.BarcodeQrRotate0));
var result = new TextWriterWrapper();
// When
context.Build(element, result.Writer);
// Then
Assert.AreEqual(Resources.ResultTestShouldBuildImage, result.GetText());
}
public static void AssertImagesAreEqual(Bitmap expected, PrintElementImage image)
{
var actual = new Bitmap(image.Source);
Assert.AreEqual(expected.Width, actual.Width);
Assert.AreEqual(expected.Height, actual.Height);
for (var x = 0; x < expected.Width; x++)
{
for (var y = 0; y < expected.Height; y++)
{
Assert.AreEqual(expected.GetPixel(x, y), actual.GetPixel(x, y), "X={0}, Y={1}", x, y);
}
}
}
private static PrintElementImage ApplyImageData(Stream imageStream, dynamic elementMetadata)
{
try
{
imageStream = ApplyRotation(imageStream, elementMetadata.Rotation);
var image = new PrintElementImage(imageStream);
ApplySize(image, elementMetadata.Size);
ApplyStretch(image, elementMetadata.Stretch);
return image;
}
catch
{
}
return null;
}
public void ShouldApplyImageData()
{
// Given
var image = Resources.ImageRotate0;
dynamic elementMetadata = new DynamicWrapper();
elementMetadata.Data = ImageTestHelper.BitmapToBase64(image);
// When
PrintElementImage element = BuildTestHelper.BuildImage(elementMetadata);
// Then
Assert.IsNotNull(element);
Assert.IsInstanceOf<PrintElementImage>(element);
Assert.IsNull(element.Size);
ImageTestHelper.AssertImagesAreEqual(image, element);
}
public void ShouldApplyRotation180()
{
// Given
var original = Resources.ImageRotate0;
var expected = Resources.ImageRotate180;
dynamic elementMetadata = new DynamicWrapper();
elementMetadata.Data = ImageTestHelper.BitmapToBase64(original);
elementMetadata.Rotation = "Rotate180";
// When
PrintElementImage element = BuildTestHelper.BuildImage(elementMetadata);
// Then
Assert.IsNotNull(element);
Assert.IsNull(element.Size);
ImageTestHelper.AssertImagesAreEqual(expected, element);
}
public void ShouldApplyText()
{
// Given
var expectedImage = Resources.BarcodeEan13Rotate0;
dynamic elementMetadata = new DynamicWrapper();
elementMetadata.Text = BarcodeEan13Text;
elementMetadata.ShowText = false;
// When
PrintElementImage element = BuildTestHelper.BuildBarcodeEan13(elementMetadata);
// Then
Assert.IsNotNull(element);
Assert.AreEqual(expectedImage.Width, element.Size.Width, 0.1);
Assert.AreEqual(expectedImage.Height, element.Size.Height, 0.1);
ImageTestHelper.AssertImagesAreEqual(expectedImage, element);
}
public void ShouldApplyErrorCorrectionHigh()
{
// Given
var expectedImage = Resources.BarcodeQrErrorCorrectionHigh;
dynamic elementMetadata = new DynamicWrapper();
elementMetadata.Text = BarcodeQrText;
elementMetadata.ShowText = false;
elementMetadata.ErrorCorrection = "High";
// When
PrintElementImage element = BuildTestHelper.BuildBarcodeQr(elementMetadata);
// Then
Assert.IsNotNull(element);
Assert.AreEqual(expectedImage.Width, element.Size.Width, 0.1);
Assert.AreEqual(expectedImage.Height, element.Size.Height, 0.1);
ImageTestHelper.AssertImagesAreEqual(expectedImage, element);
}
public void ShouldApplySize()
{
// Given
var image = Resources.ImageRotate0;
dynamic elementMetadata = new DynamicWrapper();
elementMetadata.Size = new DynamicWrapper();
elementMetadata.Size.Width = 2*image.Width;
elementMetadata.Size.Height = 2*image.Height;
elementMetadata.Size.SizeUnit = "Px";
elementMetadata.Data = ImageTestHelper.BitmapToBase64(image);
// When
PrintElementImage element = BuildTestHelper.BuildImage(elementMetadata);
// Then
Assert.IsNotNull(element);
Assert.AreEqual(2*image.Width, element.Size.Width, 0.1);
Assert.AreEqual(2*image.Height, element.Size.Height, 0.1);
}
public static void ApplyImageStyles(this TextWriter result, PrintElementImage element)
{
if (element.Size != null)
{
if (element.Size.Width != null)
{
result.Write("width:");
result.WriteInvariant(element.Size.Width);
result.Write("px;");
}
if (element.Size.Height != null)
{
result.Write("height:");
result.WriteInvariant(element.Size.Height);
result.Write("px;");
}
}
}
private static void ApplyStretch(PrintElementImage image, dynamic stretch)
{
string stretchString;
if (ConvertHelper.TryToNormString(stretch, out stretchString))
{
switch (stretchString)
{
case "none":
image.Stretch = PrintElementStretch.None;
break;
case "fill":
image.Stretch = PrintElementStretch.Fill;
break;
case "uniform":
image.Stretch = PrintElementStretch.Uniform;
break;
}
}
}
public static void AssertImagesAreEqual(Bitmap expected, PrintElementImage image)
{
CollectionAssert.AreEqual(BitmapToPixels(expected), ImageToPixels(image));
}
public void ShouldBuildDocumentWithContents()
{
//Given
var context = HtmlBuilderTestHelper.CreateHtmlBuilderContext();
var element = new PrintViewDocument();
var result = new TextWriterWrapper();
var image0 = new PrintElementImage(_getStream(Resources.ImageRotate0));
var image90 = new PrintElementImage(_getStream(Resources.ImageRotate90));
var image180 = new PrintElementImage(_getStream(Resources.ImageRotate180));
var image270 = new PrintElementImage(_getStream(Resources.ImageRotate270));
image0.Size = new PrintElementSize {
Height = 50, Width = 150
};
image90.Size = new PrintElementSize {
Height = 150, Width = 50
};
image180.Size = new PrintElementSize {
Height = 50, Width = 150
};
image270.Size = new PrintElementSize {
Height = 150, Width = 50
};
var par1 = new PrintElementParagraph();
par1.Inlines.Add(image0);
par1.Inlines.Add(image90);
par1.Inlines.Add(image180);
par1.Inlines.Add(image270);
var runNormal = new PrintElementRun {
Text = "Normal"
};
var runSubscript = new PrintElementRun
{
Text = "Subscript",
Font = new PrintElementFont {
Variant = PrintElementFontVariant.Subscript
}
};
var runSuperscript = new PrintElementRun
{
Text = "Superscript",
Font = new PrintElementFont {
Variant = PrintElementFontVariant.Superscript
}
};
var par2 = new PrintElementParagraph();
par2.Inlines.Add(runNormal);
par2.Inlines.Add(runSubscript);
par2.Inlines.Add(runSuperscript);
var run = new PrintElementRun {
Text = "White Foreground & Black Background"
};
var par3 = new PrintElementParagraph();
par3.Foreground = "white";
par3.Background = "black";
par3.Inlines.Add(run);
element.Blocks.Add(par1);
element.Blocks.Add(par2);
element.Blocks.Add(new PrintElementPageBreak());
element.Blocks.Add(par3);
element.PagePadding = new PrintElementThickness(100);
//When
context.Build(element, result.Writer);
//Then
Assert.AreEqual(Resources.ResultTestShouldBuildDocumentWithContents, result.GetText());
}
