private void SaveToStream(SKWStream stream)
{
var metadata = new SKDocumentPdfMetadata
{
Author = Author,
Creation = DateTime.Now,
Creator = Creator,
Keywords = Keywords,
Modified = DateTime.Now,
Producer = Producer,
Subject = Subject,
Title = Title,
};
int dpi = 72;
using (var document = SKDocument.CreatePdf(stream, metadata, dpi))
{
foreach (var page in Pages)
{
var pdfCanvas = document.BeginPage(page.Width, page.Height, page.Dimensions.GetContentRect().ToSKRect());
var pageRenderer = new PageRenderer(page);
pageRenderer.Render(pdfCanvas);
document.EndPage();
}
// end the doc
document.Close();
}
}
/// <summary>
/// Encode output image as PDF
/// </summary>
/// <param name="surface"></param>
/// <param name="width">Requested output width (pixels)</param>
/// <param name="height">Requested output height (pixels)</param>
/// <param name="q">Image quality (percentage)</param>
/// <param name="pdfMetadata">Optional metadata to include in the PDF</param>
/// <returns></returns>
public static Stream EncodePdf(SKSurface surface, int width, int height, int q, Conf.PdfMetadata pdfMetadata)
{
// have to encode to JPEG then paint the encoded bytes, otherwise you get full JP2 quality
var output = new MemoryStream();
var metadata = new SKDocumentPdfMetadata()
{
Creation = DateTime.Now,
};
if (null != pdfMetadata)
{
metadata.Author = pdfMetadata.Author;
}
using (var skstream = new SKManagedWStream(output))
using (var writer = SKDocument.CreatePdf(skstream, metadata))
using (var snapshot = surface.Snapshot())
using (var data = snapshot.Encode(SKEncodedImageFormat.Jpeg, q))
using (var image = SKImage.FromEncodedData(data))
using (var paint = new SKPaint())
{
using (var canvas = writer.BeginPage(width, height))
{
paint.FilterQuality = SKFilterQuality.High;
canvas.DrawImage(image, new SKRect(0, 0, width, height), paint);
writer.EndPage();
}
}
output.Seek(0, SeekOrigin.Begin);
return(output);
}
/// <summary>
/// Creates a PDF document displaying the given identity as QR code and text and
/// providing some guidance for the user.
/// </summary>
/// <param name="fileName">The full file name (including the path) for the document.</param>
/// <param name="identity">The identity for which to create the document.</param>
/// <param name="blockTypes">Spciefies a list of block types to include.</param>
public static void CreateIdentityDocument(string fileName, SQRLIdentity identity, List <ushort> blockTypes)
{
if (string.IsNullOrEmpty(fileName) ||
identity == null ||
blockTypes == null ||
blockTypes.Count < 1)
{
throw new ArgumentException(string.Format("{0}, {1} and {2} must be specified and valid!",
nameof(fileName), nameof(identity), nameof(blockTypes)));
}
_pageNr = 0;
string title = "\"" + identity.IdentityName + "\" " + _loc.GetLocalizationValue("FileDialogFilterName");
string identityEncryptionMessage = blockTypes.Contains(1) ?
_loc.GetLocalizationValue("IdentityDocEncMsgPassword") :
_loc.GetLocalizationValue("IdentityDocEncMsgRC");
string textualIdentityMessage = _loc.GetLocalizationValue("IdentityDocumentTextualIdentityMessage");
string guidanceMessage = _loc.GetLocalizationValue("IdentityDocumentGuidanceMessage");
var identityBytes = identity.ToByteArray(includeHeader: true, blockTypes);
string textualIdentity = SQRL.GenerateTextualIdentityBase56(identityBytes);
var metadata = new SKDocumentPdfMetadata
{
Author = _assemblyName,
Creation = DateTime.Now,
Creator = _assemblyName,
Keywords = "SQRL,Identity",
Modified = DateTime.Now,
Producer = "SkiaSharp",
Subject = "SQRL Identity Document",
Title = "SQRL Identity Document",
EncodingQuality = 300,
RasterDpi = 300
};
using (SKBitmap qrCode = CreateQRCode(identityBytes))
using (var stream = new SKFileWStream(fileName))
using (_document = SKDocument.CreatePdf(stream, metadata))
{
StartNextPage();
float qrCodeWidth = (qrCode.Width <= QRCODE_MAX_SIZE) ? qrCode.Width : QRCODE_MAX_SIZE;
float qrCodeHeight = (qrCode.Height <= QRCODE_MAX_SIZE) ? qrCode.Height : QRCODE_MAX_SIZE;
DrawTextBlock(title, _fontBold, 23, SKColors.Black, 10f);
DrawTextBlock(identityEncryptionMessage, _fontRegular, 12, SKColors.DarkGray, -5f, SKTextAlign.Left, 1.3f);
DrawBitmap(qrCode, SKTextAlign.Center, qrCodeWidth, qrCodeHeight, 15f);
DrawTextBlock(textualIdentityMessage, _fontRegular, 12, SKColors.DarkGray, 10f, SKTextAlign.Left, 1.3f);
DrawTextBlock(textualIdentity, _fontMonoBold, 12, SKColors.Black, 15f, SKTextAlign.Center, 1.3f);;
DrawTextBlock(guidanceMessage, _fontRegular, 12, SKColors.DarkGray, 0f, SKTextAlign.Left, 1.3f);
EndPage();
_document.Close();
}
}
/// <summary>
/// Creates a PDF document displaying the given identity as QR code and text and
/// providing some guidance for the user.
/// </summary>
/// <param name="fileName">The full file name (including the path) for the document.</param>
/// <param name="identity">The identity for which to create the document.</param>
/// <param name="blockTypes">Spciefies a list of block types to include.</param>
public static void CreateIdentityDocument(string fileName, SQRLIdentity identity, List <ushort> blockTypes)
{
if (string.IsNullOrEmpty(fileName) || identity == null)
{
throw new ArgumentException(string.Format("{0} and {1} must be specified and valid!",
nameof(fileName), nameof(identity)));
}
float yPos = MARGIN_TOP;
string title = "\"" + identity.IdentityName + "\" " + _loc.GetLocalizationValue("FileDialogFilterName");
string qrCodeMessage = _loc.GetLocalizationValue("IdentityDocumentQRCodeMessage");
string textualIdentityMessage = _loc.GetLocalizationValue("IdentityDocumentTextualIdentityMessage");
string guidanceMessage = _loc.GetLocalizationValue("IdentityDocumentGuidanceMessage");
var identityBytes = identity.ToByteArray(includeHeader: true, blockTypes);
string textualIdentity = SQRL.GenerateTextualIdentityBase56(identityBytes);
var metadata = new SKDocumentPdfMetadata
{
Author = _assemblyName,
Creation = DateTime.Now,
Creator = _assemblyName,
Keywords = "SQRL,Identity",
Modified = DateTime.Now,
Producer = "SkiaSharp",
Subject = "SQRL Identity Document",
Title = "SQRL Identity Document",
EncodingQuality = 300,
RasterDpi = 300
};
using (SKBitmap qrCode = CreateQRCode(identityBytes))
using (var stream = new SKFileWStream(fileName))
using (var document = SKDocument.CreatePdf(stream, metadata))
using (var canvas = document.BeginPage(PAGE_WIDTH, PAGE_HEIGHT))
{
float qrCodeWidth = (qrCode.Width <= QRCODE_MAX_SIZE) ? qrCode.Width : QRCODE_MAX_SIZE;
float qrCodeHeight = (qrCode.Height <= QRCODE_MAX_SIZE) ? qrCode.Height : QRCODE_MAX_SIZE;
float qrCodeXPos = PAGE_WIDTH / 2 - qrCodeWidth / 2;
yPos += 10 + DrawTextBlock(canvas, title, yPos, _fontBold, 23, SKColors.Black);
yPos += -15 + DrawTextBlock(canvas, qrCodeMessage, yPos, _fontRegular, 12, SKColors.DarkGray, SKTextAlign.Left, 1.3f);
canvas.DrawBitmap(qrCode, new SKRect(qrCodeXPos, yPos, qrCodeXPos + qrCodeWidth, yPos + qrCodeHeight));
yPos += qrCodeHeight + 15;
yPos += 10 + DrawTextBlock(canvas, textualIdentityMessage, yPos, _fontRegular, 12, SKColors.DarkGray, SKTextAlign.Left, 1.3f);
yPos += 15 + DrawTextBlock(canvas, textualIdentity, yPos, _fontMonoBold, 12, SKColors.Black, SKTextAlign.Center, 1.3f);
yPos += 00 + DrawTextBlock(canvas, guidanceMessage, yPos, _fontRegular, 12, SKColors.DarkGray, SKTextAlign.Left, 1.3f);
DrawFooter(canvas);
document.EndPage();
document.Close();
}
}
/// <summary>
/// Creates a PDF document prominently displaying the given <paramref name="rescueCode"/>
/// and <paramref name="identityName"/>, providing additional guidance for the user.
/// </summary>
/// <param name="fileName">The full file name (including the path) for the document to be created.</param>
/// <param name="rescueCode">The rescue code to be printed to the document.</param>
/// <param name="identityName">The name of the identity. This is optional, just
/// pass <c>null</c> if no identity name should be printed to the pdf file.</param>
public static void CreateRescueCodeDocument(string fileName, string rescueCode, string identityName = null)
{
if (string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(rescueCode))
{
throw new ArgumentException(string.Format("{0} and {1} must be specified!",
nameof(fileName), nameof(rescueCode)));
}
identityName = identityName != null ? identityName : "";
_pageNr = 0;
string title = _loc.GetLocalizationValue("RescueCodeDocumentTitle");
string warning = _loc.GetLocalizationValue("RescueCodeDocumentDiscardWarning");
string text = _loc.GetLocalizationValue("RescueCodeDocumentText");
string identityLabel = _loc.GetLocalizationValue("IdentityNameLabel");
string rescueCodeLabel = _loc.GetLocalizationValue("RescueCodeLabel");
var metadata = new SKDocumentPdfMetadata
{
Author = _assemblyName,
Creation = DateTime.Now,
Creator = _assemblyName,
Keywords = "SQRL,Rescue code",
Modified = DateTime.Now,
Producer = "SkiaSharp",
Subject = "SQRL Rescue Code Document",
Title = "SQRL Rescue Code Document"
};
using (var stream = new SKFileWStream(fileName))
using (_document = SKDocument.CreatePdf(stream, metadata))
{
StartNextPage();
DrawHeader();
_yPos = MARGIN_TOP + HEADER_ICON_SIZE + 80;
DrawTextBlock(title, _fontBold, 25, SKColors.Black, 15f);
DrawTextBlock(warning, _fontBold, 20, SKColors.Red, 20f);
DrawTextBlock(text, _fontRegular, 12, SKColors.DarkGray, 30f, SKTextAlign.Left, 1.3f);
if (!string.IsNullOrEmpty(identityName))
{
DrawTextBlock(identityLabel, _fontRegular, 12, SKColors.DarkGray, 15f);
DrawTextBlock(identityName, _fontBold, 16, SKColors.Black);
}
DrawTextBlock(rescueCodeLabel, _fontRegular, 12, SKColors.DarkGray, 25f);
DrawTextBlock(rescueCode, _fontBold, 24, SKColors.Black);
EndPage();
_document.Close();
}
}
/// <summary>
/// Creates a PDF document prominently displaying the given rescue code and
/// providing some guidance for the user.
/// </summary>
/// <param name="fileName">The full file name (including the path) for the document.</param>
/// <param name="rescueCode">The rescue code to be printed to the document.</param>
/// <param name="identityName">The name of the identity. This is optional, just
/// pass <c>null</c> if no identity name should be printed to the pdf file.</param>
public static void CreateRescueCodeDocument(string fileName, string rescueCode, string identityName = null)
{
if (string.IsNullOrEmpty(fileName) || string.IsNullOrEmpty(rescueCode))
{
throw new ArgumentException(string.Format("{0} and {1} must be specified!",
nameof(fileName), nameof(rescueCode)));
}
identityName = identityName != null ? identityName : "";
float yPos = MARGIN_TOP + HEADER_ICON_SIZE + 80;
string title = _loc.GetLocalizationValue("RescueCodeDocumentTitle");
string warning = _loc.GetLocalizationValue("RescueCodeDocumentDiscardWarning");
string text = _loc.GetLocalizationValue("RescueCodeDocumentText");
string identityLabel = _loc.GetLocalizationValue("IdentityNameLabel");
string rescueCodeLabel = _loc.GetLocalizationValue("RescueCodeLabel");
var metadata = new SKDocumentPdfMetadata
{
Author = _assemblyName,
Creation = DateTime.Now,
Creator = _assemblyName,
Keywords = "SQRL,Rescue code",
Modified = DateTime.Now,
Producer = "SkiaSharp",
Subject = "SQRL Rescue Code Document",
Title = "SQRL Rescue Code Document"
};
using (var stream = new SKFileWStream(fileName))
using (var document = SKDocument.CreatePdf(stream, metadata))
using (var canvas = document.BeginPage(PAGE_WIDTH, PAGE_HEIGHT))
{
DrawHeader(canvas);
yPos += 10 + DrawTextBlock(canvas, title, yPos, _fontBold, 25, SKColors.Black);
yPos += 20 + DrawTextBlock(canvas, warning, yPos, _fontBold, 20, SKColors.Red);
yPos += 30 + DrawTextBlock(canvas, text, yPos, _fontRegular, 12, SKColors.DarkGray, SKTextAlign.Left, 1.3f);
if (!string.IsNullOrEmpty(identityName))
{
yPos += 05 + DrawTextBlock(canvas, identityLabel, yPos, _fontRegular, 12, SKColors.DarkGray);
yPos += 15 + DrawTextBlock(canvas, identityName, yPos, _fontBold, 16, SKColors.Black);
}
yPos += 10 + DrawTextBlock(canvas, rescueCodeLabel, yPos, _fontRegular, 12, SKColors.DarkGray);
yPos += 15 + DrawTextBlock(canvas, rescueCode, yPos, _fontBold, 24, SKColors.Black);
DrawFooter(canvas);
document.EndPage();
document.Close();
}
}
protected override void OnTapped()
{
base.OnTapped();
var path = Path.Combine(root, $"{Guid.NewGuid().ToString("N")}.pdf");
var metadata = new SKDocumentPdfMetadata
{
Author = "Cool Developer",
Creation = DateTime.Now,
Creator = "Cool Developer Library",
Keywords = "SkiaSharp, Sample, PDF, Developer, Library",
Modified = DateTime.Now,
Producer = "SkiaSharp",
Subject = "SkiaSharp Sample PDF",
Title = "Sample PDF",
};
using (var stream = new SKFileWStream(path))
using (var document = SKDocument.CreatePdf(stream, metadata))
using (var paint = new SKPaint())
{
paint.TextSize = 64.0f;
paint.IsAntialias = true;
paint.Color = (SKColor)0xFF9CAFB7;
paint.IsStroke = true;
paint.StrokeWidth = 3;
paint.TextAlign = SKTextAlign.Center;
var width = 840;
var height = 1188;
// draw page 1
using (var pdfCanvas = document.BeginPage(width, height))
{
// draw button
var nextPagePaint = new SKPaint
{
IsAntialias = true,
TextSize = 16,
Color = SKColors.OrangeRed
};
var nextText = "Next Page >>";
var btn = new SKRect(width - nextPagePaint.MeasureText(nextText) - 24, 0, width, nextPagePaint.TextSize + 24);
pdfCanvas.DrawText(nextText, btn.Left + 12, btn.Bottom - 12, nextPagePaint);
// make button link
pdfCanvas.DrawLinkDestinationAnnotation(btn, "next-page");
// draw contents
pdfCanvas.DrawText("...PDF 1/2...", width / 2, height / 4, paint);
document.EndPage();
}
// draw page 2
using (var pdfCanvas = document.BeginPage(width, height))
{
// draw link destintion
pdfCanvas.DrawNamedDestinationAnnotation(SKPoint.Empty, "next-page");
// draw contents
pdfCanvas.DrawText("...PDF 2/2...", width / 2, height / 4, paint);
document.EndPage();
}
// end the doc
document.Close();
}
// display to the user
SamplesManager.OnOpenFile(path);
}
public override void PrintPattern(float scale, Pattern pattern, List <Vector2> positions, Vector2 padding, string path)
{
this.scale = scale;
//PDF pages are sized in point units. 1 pt == 1/72 inch == 127/360 mm.
//< table >
//< thead >< tr >< th class="tdw1">Size</th><th class="tdw2">Width x Height(mm)</th><th class="tdw2">Width x Height(in)</th></tr></thead>
//<tbody>
//<tr><td>4A0</td><td>1682 x 2378 mm</td><td>66.2 x 93.6 in</td></tr>
//<tr><td>2A0</td><td>1189 x 1682 mm</td><td>46.8 x 66.2 in</td></tr>
//<tr><td>A0</td><td>841 x 1189 mm</td><td>33.1 x 46.8 in</td></tr>
//<tr><td>A1</td><td>594 x 841 mm</td><td>23.4 x 33.1 in</td></tr>
//<tr><td>A2</td><td>420 x 594 mm</td><td>16.5 x 23.4 in</td></tr>
//<tr><td>A3</td><td>297 x 420 mm</td><td>11.7 x 16.5 in</td></tr>
//<tr><td>A4</td><td> 210 x 297 mm</td><td>8.3 x 11.7 in</td></tr>
//<tr><td>A5</td><td>148 x 210 mm</td><td>5.8 x 8.3 in</td></tr>
//<tr><td>A6</td><td>105 x 148 mm</td><td>4.1 x 5.8 in</td></tr>
//<tr><td>A7</td><td>74 x 105 mm</td><td>2.9 x 4.1 in</td></tr>
//<tr><td>A8</td><td>52 x 74 mm</td><td>2.0 x 2.9 in</td></tr>
//<tr><td>A9</td><td>37 x 52 mm</td><td>1.5 x 2.0 in</td></tr>
//<tr><td>A10</td><td>26 x 37 mm</td><td>1.0 x 1.5 in</td></tr>
//</tbody>
//</table>
SKDocumentPdfMetadata metadata = new SKDocumentPdfMetadata
{
Author = "Hoodie Maker",
Creation = DateTime.Now,
Creator = "Hoodie Maker",
Keywords = "PDF, Hoodie, Pattern",
Modified = DateTime.Now,
Producer = "Hoodie Maker",
Subject = "Hoodie Maker Pattern",
Title = "Hoodie Pattern",
};
using (SKFileWStream stream = new SKFileWStream(path))
using (SKDocument document = SKDocument.CreatePdf(stream, metadata))
{
for (int i = 0; i < pattern.Parts.Count; i++)
{
Vector2 position = positions[i];
PatternPart part = pattern.Parts[i];
//A0 841mm x 1189 mm
//float width = pageSize.X * Utils.pntPerMM;
//float height = pageSize.Y * Utils.pntPerMM;
PartExtents extents = PartExtents.CalcPartExtents(part);
using (SKCanvas pdfCanvas = document.BeginPage(Scale(extents.Width + padding.X), Scale(extents.Height + padding.Y)))
{
canvas = pdfCanvas;
DrawPart(part, position,
colorFillPrint,
MapEntityColorsForPrint(EntityType.Normal),
MapEntityColorsForPrint(EntityType.Text));
document.EndPage();
}
}
document.Close();
}
System.Diagnostics.Debug.WriteLine(path);
//Task.Run(async () => await OpenDoc(path));
}
private void GenerateDocument()
{
if (!isSupported || (isSupported && File.Exists(path)))
{
return;
}
var metadata = new SKDocumentPdfMetadata
{
Author = "Cool Developer",
Creation = DateTime.Now,
Creator = "Cool Developer Library",
Keywords = "SkiaSharp, Sample, PDF, Developer, Library",
Modified = DateTime.Now,
Producer = "SkiaSharp",
Subject = "SkiaSharp Sample PDF",
Title = "Sample PDF",
};
using var document = SKDocument.CreatePdf(path, metadata);
if (document == null)
{
isSupported = false;
return;
}
using var paint = new SKPaint
{
TextSize = 64.0f,
IsAntialias = true,
Color = 0xFF9CAFB7,
IsStroke = true,
StrokeWidth = 3,
TextAlign = SKTextAlign.Center
};
var pageWidth = 840;
var pageHeight = 1188;
// draw page 1
using (var pdfCanvas = document.BeginPage(pageWidth, pageHeight))
{
// draw button
using var nextPagePaint = new SKPaint
{
IsAntialias = true,
TextSize = 16,
Color = SKColors.OrangeRed
};
var nextText = "Next Page >>";
var btn = new SKRect(pageWidth - nextPagePaint.MeasureText(nextText) - 24, 0, pageWidth, nextPagePaint.TextSize + 24);
pdfCanvas.DrawText(nextText, btn.Left + 12, btn.Bottom - 12, nextPagePaint);
// make button link
pdfCanvas.DrawLinkDestinationAnnotation(btn, "next-page");
// draw contents
pdfCanvas.DrawText("...PDF 1/2...", pageWidth / 2, pageHeight / 4, paint);
document.EndPage();
}
// draw page 2
using (var pdfCanvas = document.BeginPage(pageWidth, pageHeight))
{
// draw link destintion
pdfCanvas.DrawNamedDestinationAnnotation(SKPoint.Empty, "next-page");
// draw contents
pdfCanvas.DrawText("...PDF 2/2...", pageWidth / 2, pageHeight / 4, paint);
document.EndPage();
}
// end the doc
document.Close();
}
private void GenerateDocument(string path)
{
var metadata = new SKDocumentPdfMetadata
{
Author = "GiveCamp 2020",
Creation = DateTime.Now,
Creator = "That Conference Library",
Keywords = "GiveCamp, That Conference, Test",
Modified = DateTime.Now,
Producer = "Test",
Subject = "Test",
Title = "Test PDF",
};
using var document = SKDocument.CreatePdf(path, metadata);
using var paint = new SKPaint
{
TextSize = 64.0f,
IsAntialias = true,
Color = 0xFF9CAFB7,
IsStroke = true,
StrokeWidth = 3,
TextAlign = SKTextAlign.Center
};
var pageWidth = 840;
var pageHeight = 1188;
// draw page 1
using (var pdfCanvas = document.BeginPage(pageWidth, pageHeight))
{
// draw button
using var nextPagePaint = new SKPaint
{
IsAntialias = true,
TextSize = 16,
Color = SKColors.OrangeRed
};
var nextText = "Next Page >>";
var btn = new SKRect(pageWidth - nextPagePaint.MeasureText(nextText) - 24, 0, pageWidth, nextPagePaint.TextSize + 24);
pdfCanvas.DrawText(nextText, btn.Left + 12, btn.Bottom - 12, nextPagePaint);
// make button link
pdfCanvas.DrawLinkDestinationAnnotation(btn, "next-page");
// draw contents
pdfCanvas.DrawText("...PDF 1/2...", pageWidth / 2, pageHeight / 4, paint);
document.EndPage();
}
// draw page 2
using (var pdfCanvas = document.BeginPage(pageWidth, pageHeight))
{
// draw link destintion
pdfCanvas.DrawNamedDestinationAnnotation(SKPoint.Empty, "next-page");
// draw contents
pdfCanvas.DrawText("...PDF 2/2...", pageWidth / 2, pageHeight / 4, paint);
document.EndPage();
}
// end the doc
document.Close();
}
