public void InsertImageFromByteArrayCustomSize()
{
//ExStart
//ExFor:DocumentBuilder.InsertImage(Byte[], Double, Double)
//ExSummary:Shows how to import an image into a document from a byte array, with a custom size.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
#if NETSTANDARD2_0 || __MOBILE__
using (SkiaSharp.SKBitmap bitmap = SkiaSharp.SKBitmap.Decode(ImageDir + "Aspose.Words.gif"))
{
using (SkiaSharp.SKFileWStream fs = new SkiaSharp.SKFileWStream(MyDir + "Artifacts/InsertImageFromByteArrayCustomSize.png"))
{
bitmap.Encode(fs, SKEncodedImageFormat.Png, 100);
}
builder.InsertImage(bitmap, ConvertUtil.PixelToPoint(450), ConvertUtil.PixelToPoint(144));
builder.Document.Save(MyDir + "Artifacts/Image.CreateFromByteArrayCustomSize.doc");
}
#else
// Prepare a byte array of an image.
Image image = Image.FromFile(ImageDir + "Aspose.Words.gif");
using (MemoryStream imageBytes = new MemoryStream())
{
image.Save(imageBytes, ImageFormat.Png);
builder.InsertImage(imageBytes, ConvertUtil.PixelToPoint(450), ConvertUtil.PixelToPoint(144));
builder.Document.Save(MyDir + @"\Artifacts\Image.CreateFromByteArrayCustomSize.doc");
}
#endif
//ExEnd
}
public void InsertImageFromByteArrayRelativePosition()
{
//ExStart
//ExFor:DocumentBuilder.InsertImage(Byte[], RelativeHorizontalPosition, Double, RelativeVerticalPosition, Double, Double, Double, WrapType)
//ExSummary:Shows how to import an image into a document from a byte array, also using relative positions.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
#if NETSTANDARD2_0 || __MOBILE__
using (SkiaSharp.SKBitmap bitmap = SkiaSharp.SKBitmap.Decode(ImageDir + "Aspose.Words.gif"))
{
using (SkiaSharp.SKFileWStream fs = new SkiaSharp.SKFileWStream(MyDir + "Artifacts/InsertImageFromByteArrayCustomSize.png"))
{
bitmap.Encode(fs, SKEncodedImageFormat.Png, 100);
}
builder.InsertImage(bitmap, RelativeHorizontalPosition.Margin, 100, RelativeVerticalPosition.Margin, 100, 200, 100, WrapType.Square);
builder.Document.Save(MyDir + "Artifacts/Image.CreateFromByteArrayCustomSize.doc");
}
#else
// Prepare a byte array of an image.
Image image = Image.FromFile(ImageDir + "Aspose.Words.gif");
using (MemoryStream imageBytes = new MemoryStream())
{
image.Save(imageBytes, ImageFormat.Png);
builder.InsertImage(imageBytes, RelativeHorizontalPosition.Margin, 100, RelativeVerticalPosition.Margin, 100, 200, 100, WrapType.Square);
builder.Document.Save(MyDir + @"\Artifacts\Image.CreateFromByteArrayRelativePosition.doc");
}
#endif
//ExEnd
}
public void InsertImageFromByteArray()
{
//ExStart
//ExFor:DocumentBuilder.InsertImage(Byte[])
//ExSummary:Shows how to import an image into a document from a byte array.
Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);
#if NETSTANDARD2_0 || __MOBILE__
using (SkiaSharp.SKBitmap bitmap = SkiaSharp.SKBitmap.Decode(ImageDir + "Aspose.Words.gif"))
{
using (SkiaSharp.SKFileWStream fs =
new SkiaSharp.SKFileWStream(MyDir + "Artifacts/InsertImageFromByteArray.png"))
{
bitmap.Encode(fs, SKEncodedImageFormat.Png, 100);
}
builder.InsertImage(bitmap);
builder.Document.Save(MyDir + "Artifacts/Image.CreateFromByteArrayDefault.docx");
}
#else
// Prepare a byte array of an image.
using (Image image = Image.FromFile(ImageDir + "Aspose.Words.gif"))
{
using (MemoryStream imageBytes = new MemoryStream())
{
image.Save(imageBytes, ImageFormat.Png);
builder.InsertImage(imageBytes.ToArray());
builder.Document.Save(MyDir + @"\Artifacts\Image.CreateFromByteArrayDefault.doc");
}
}
#endif
//ExEnd
}
/// <summary>
/// Combines 2 images into one, given the shared ImageStats for both supplied images.
/// </summary>
/// <param name="info">the ImageStats object used to generate both bottom and top tiles.</param>
/// <param name="bottomTile">the tile to use as the base of the image. Expected to be opaque.</param>
/// <param name="topTile">The tile to layer on top. Expected to be at least partly transparent or translucent.</param>
/// <returns></returns>
public byte[] LayerTiles(ImageStats info, byte[] bottomTile, byte[] topTile)
{
SkiaSharp.SKBitmap bitmap = new SkiaSharp.SKBitmap(info.imageSizeX, info.imageSizeY, SkiaSharp.SKColorType.Rgba8888, SkiaSharp.SKAlphaType.Premul);
SkiaSharp.SKCanvas canvas = new SkiaSharp.SKCanvas(bitmap);
SkiaSharp.SKPaint paint = new SkiaSharp.SKPaint();
canvas.Scale(1, 1, info.imageSizeX / 2, info.imageSizeY / 2);
paint.IsAntialias = true;
var baseBmp = SkiaSharp.SKBitmap.Decode(bottomTile);
var topBmp = SkiaSharp.SKBitmap.Decode(topTile);
canvas.DrawBitmap(baseBmp, 0, 0);
canvas.DrawBitmap(topBmp, 0, 0);
var ms = new MemoryStream();
var skms = new SkiaSharp.SKManagedWStream(ms);
bitmap.Encode(skms, SkiaSharp.SKEncodedImageFormat.Png, 100);
var output = ms.ToArray();
skms.Dispose(); ms.Close(); ms.Dispose();
return(output);
}
