private static void DrawImageMasks(PdfPage page, Stream imageStream, Stream softMaskStream, Stream stencilMaskStream, PdfFont titleFont, PdfFont sectionFont)
{
PdfBrush brush = new PdfBrush();
page.Graphics.DrawString("Images Masks", titleFont, brush, 20, 50);
page.Graphics.DrawString("Soft mask:", sectionFont, brush, 20, 70);
PdfPngImage softMaskImage = new PdfPngImage(softMaskStream);
PdfSoftMask softMask = new PdfSoftMask(softMaskImage);
imageStream.Position = 0;
PdfJpegImage softMaskJpeg = new PdfJpegImage(imageStream);
softMaskJpeg.Mask = softMask;
// Draw the image with a soft mask.
page.Graphics.DrawImage(softMaskJpeg, 20, 90, 280, 0);
page.Graphics.DrawString("Stencil mask:", sectionFont, brush, 320, 70);
PdfPngImage stencilMaskImage = new PdfPngImage(stencilMaskStream);
PdfStencilMask stencilMask = new PdfStencilMask(stencilMaskImage);
imageStream.Position = 0;
PdfJpegImage stencilMaskJpeg = new PdfJpegImage(imageStream);
stencilMaskJpeg.Mask = stencilMask;
// Draw the image with a stencil mask.
page.Graphics.DrawImage(stencilMaskJpeg, 320, 90, 280, 0);
page.Graphics.DrawString("Stencil mask painting:", sectionFont, brush, 20, 320);
PdfBrush redBrush = new PdfBrush(PdfRgbColor.DarkRed);
page.Graphics.DrawStencilMask(stencilMask, redBrush, 20, 340, 280, 0);
PdfBrush blueBrush = new PdfBrush(PdfRgbColor.DarkBlue);
page.Graphics.DrawStencilMask(stencilMask, blueBrush, 320, 340, 280, 0);
PdfBrush greenBrush = new PdfBrush(PdfRgbColor.DarkGreen);
page.Graphics.DrawStencilMask(stencilMask, greenBrush, 20, 550, 280, 0);
PdfBrush yellowBrush = new PdfBrush(PdfRgbColor.YellowGreen);
page.Graphics.DrawStencilMask(stencilMask, yellowBrush, 320, 550, 280, 0);
page.Graphics.CompressAndClose();
}
private static void DrawImages(PdfPage page, Stream imageStream, PdfFont titleFont, PdfFont sectionFont)
{
PdfBrush brush = new PdfBrush();
PdfJpegImage jpeg = new PdfJpegImage(imageStream);
page.Graphics.DrawString("Images", titleFont, brush, 20, 50);
page.Graphics.DrawString("Scaling:", sectionFont, brush, 20, 70);
// Draw the image 3 times on the page at different sizes.
page.Graphics.DrawImage(jpeg, 3, 90, 100, 0);
page.Graphics.DrawImage(jpeg, 106, 90, 200, 0);
page.Graphics.DrawImage(jpeg, 309, 90, 300, 0);
page.Graphics.DrawString("Flipping:", sectionFont, brush, 20, 320);
page.Graphics.DrawImage(jpeg, 20, 340, 260, 0);
page.Graphics.DrawImage(jpeg, 310, 340, 260, 0, 0, PdfFlipDirection.VerticalFlip);
page.Graphics.DrawImage(jpeg, 20, 550, 260, 0, 0, PdfFlipDirection.HorizontalFlip);
page.Graphics.DrawImage(jpeg, 310, 550, 260, 0, 0, PdfFlipDirection.VerticalFlip | PdfFlipDirection.HorizontalFlip);
page.Graphics.CompressAndClose();
}
