// ---
private void DrawImage(PdfDocument pdfDoc, eImageMode ImageMode, Image image)
{
var page = pdfDoc.AddPage();
var gfx = XGraphics.FromPdfPage(page);
var pdfImage = XImage.FromGdiPlusImage(image);
switch (ImageMode)
{
case eImageMode.Scale:
if (pdfImage.PixelWidth <= page.Width && pdfImage.PixelHeight <= page.Height) // no need for scaling - image is smaller than page
{
gfx.DrawImage(pdfImage, new XRect(0, 0, pdfImage.PixelWidth, pdfImage.PixelHeight));
}
else if (pdfImage.PixelWidth > page.Width) // scale by width
{
gfx.DrawImage(pdfImage, new XRect(0, 0, page.Width, (page.Width / pdfImage.PixelWidth) * pdfImage.PixelHeight));
}
else // scale by height
{
gfx.DrawImage(pdfImage, new XRect(0, 0, (page.Height / pdfImage.PixelHeight) * pdfImage.PixelWidth, page.Height));
}
break;
case eImageMode.Stretch:
gfx.DrawImage(pdfImage, new XRect(0, 0, page.Width, page.Height), new XRect(0, 0, pdfImage.PixelWidth, pdfImage.PixelHeight), XGraphicsUnit.Point);
break;
default:
case eImageMode.None:
gfx.DrawImage(pdfImage, new XRect(0, 0, pdfImage.PixelWidth, pdfImage.PixelHeight));
break;
}
}
public async Task <Stream> CreateFromImageUrl(string URL, eImageMode ImageMode = eImageMode.None)
{
var pdfDoc = new PdfDocument();
/* read as Bytes
* byte[] data;
* using (var client = new WebClient())
* data = await client.DownloadDataTaskAsync(new Uri(URL));
* using (var ms = new MemoryStream(data))
* using (var image = Image.FromStream(ms))
* this.DrawImage(pdfDoc, ImageMode, image);
*/
// read as Stream
using (var client = new WebClient())
using (var imageStream = await client.OpenReadTaskAsync(new Uri(URL)))
using (var image = Image.FromStream(imageStream))
this.DrawImage(pdfDoc, ImageMode, image);
var stream = new MemoryStream();
pdfDoc.Save(stream, false);
pdfDoc.Dispose();
return(stream);
}
public Stream CreateFromImageFile(string FilePath, eImageMode ImageMode)
{
var HtmlString = $@"
<style>
img {{ width: 100%; }}
</style>
<img src='{FilePath}' />
" ;
return(this.CreateFromHtmlString(HtmlString));
}
public Stream CreateFromBitmap(Bitmap Bitmap, eImageMode ImageMode)
{
// create temporary file
var temp = $"{AppDomain.CurrentDomain.BaseDirectory}temp_{DateTime.Now.ToString("yyyyMMddHHmmss")}.jpg";
Bitmap.Save(temp);
var stream = this.CreateFromImageFile(temp, ImageMode);
File.Delete(temp);
return(stream);
}
public Stream CreateFromBitmap(Bitmap Bitmap, eImageMode ImageMode = eImageMode.None)
{
var pdfDoc = new PdfDocument();
using (var image = Bitmap)
this.DrawImage(pdfDoc, ImageMode, image);
var stream = new MemoryStream();
pdfDoc.Save(stream, false);
pdfDoc.Dispose();
return(stream);
}
public async Task <Stream> CreateFromScreenshot(string URL, string ChromePath = null, eImageMode ImageMode = eImageMode.None)
{
return(await this.PdfProvider.CreateFromScreenshot(URL, ChromePath, ImageMode));
}
public Stream CreateFromImageFile(string FilePath, eImageMode ImageMode = eImageMode.None)
{
return(this.PdfProvider.CreateFromImageFile(FilePath, ImageMode));
}
public async Task <Stream> CreateFromImageUrl(string URL, eImageMode ImageMode = eImageMode.None)
{
return(await this.PdfProvider.CreateFromImageUrl(URL, ImageMode));
}
public Stream CreateFromImage(Image Image, eImageMode ImageMode = eImageMode.None)
{
return(this.PdfProvider.CreateFromImage(Image, ImageMode));
}
public Stream CreateFromBitmap(Bitmap Bitmap, eImageMode ImageMode = eImageMode.None)
{
return(this.PdfProvider.CreateFromBitmap(Bitmap, ImageMode));
}
public override async Task <Stream> CreateFromScreenshot(string URL, string ChromePath = null, eImageMode ImageMode = eImageMode.None)
{
return(ProcessManager.InteractAsStream(this.UtilityPath, $"{GlobalOptions} {URL} -", ""));
}
public async Task <Stream> CreateFromImageUrl(string URL, eImageMode ImageMode)
{
return(this.CreateFromImageFile(URL, ImageMode));
}
public Stream CreateFromImage(Image Image, eImageMode ImageMode)
{
return(this.CreateFromBitmap(new Bitmap(Image), ImageMode));
}
public override async Task <Stream> CreateFromScreenshot(string URL, string ChromePath = null, eImageMode ImageMode = eImageMode.None)
{
var pdfDoc = new PdfDocument();
using (var screenshotStream = await base.CreateFromScreenshot(URL, ChromePath, ImageMode))
using (var image = Image.FromStream(screenshotStream))
this.DrawImage(pdfDoc, ImageMode, image);
var stream = new MemoryStream();
pdfDoc.Save(stream, false);
pdfDoc.Dispose();
return(stream);
}
public Stream CreateFromImageFile(string FilePath, eImageMode ImageMode = eImageMode.None)
{
return(this.CreateFromImage(Image.FromFile(FilePath), ImageMode));
}
public virtual async Task <Stream> CreateFromScreenshot(string URL, string ChromePath = null, eImageMode ImageMode = eImageMode.None)
{
var browser = await this.CreateWebBrowser(ChromePath);
var webPage = await browser.NewPageAsync();
await webPage.GoToAsync(URL);
var screenshotOptions = new ScreenshotOptions
{
FullPage = true,
Quality = 100,
Type = ScreenshotType.Jpeg
};
return(await webPage.ScreenshotStreamAsync(screenshotOptions));
}
