private void button4_Click(object sender, System.EventArgs e)
{
// step 1: create the C1PdfDocument object
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
// step 2: add content to the page
Font font = new Font("Arial", 12);
RectangleF rc = pdf.PageRectangle;
rc.Inflate(-72, -72);
// stretch image to fill the rectangle
pdf.DrawImage(pictureBox1.Image, rc);
// center image within the rectangle, scale keeping aspect ratio
pdf.DrawImage(pictureBox1.Image, rc, ContentAlignment.MiddleCenter, C1.C1Pdf.ImageSizeModeEnum.Scale);
// center image within the rectangle, keep original size
pdf.DrawImage(pictureBox1.Image, rc, ContentAlignment.TopLeft, C1.C1Pdf.ImageSizeModeEnum.Clip);
// step 3: save the document to a file
string fileName = tempdir + "hello world.pdf";
pdf.Save(fileName);
System.Diagnostics.Process.Start(fileName);
}
private void button12_Click(object sender, System.EventArgs e)
{
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
Image img = pictureBox3.Image;
// stretch image to fill the rectangle
Rectangle rc = new Rectangle(100, 100, 50, 30);
pdf.DrawImage(img, rc);
pdf.DrawRectangle(Pens.Black, rc);
// render in actual size, clipping if necessary
rc.Offset(rc.Width + 20, 0);
pdf.DrawImage(img, rc, ContentAlignment.MiddleLeft, ImageSizeModeEnum.Clip);
pdf.DrawRectangle(Pens.Black, rc);
// scale the image to fit the rectangle while preserving the aspect ratio
rc.Offset(rc.Width + 20, 0);
pdf.DrawImage(img, rc, ContentAlignment.MiddleLeft, ImageSizeModeEnum.Scale);
pdf.DrawRectangle(Pens.Black, rc);
// step 3: save the document to a file
string fileName = tempdir + "images.pdf";
pdf.Save(fileName);
System.Diagnostics.Process.Start(fileName);
}
private void CreatePdf(Image img)
{
// export to pdf
_pdf.Clear();
RectangleF rc = _pdf.PageRectangle;
rc.Inflate(-72, -72); // << 1" margin
_pdf.DrawImage(img, rc, ContentAlignment.MiddleCenter, ImageSizeModeEnum.Scale);
string fileName = Application.StartupPath + @"\pie.pdf";
_pdf.Save(fileName);
// show pdf
System.Diagnostics.Process.Start(fileName);
}
private void DrawPageImage(C1.C1Pdf.C1PdfDocument pdf, int index)
{
// get image bounds
RectangleF rcBounds = pdf.PageRectangle;
rcBounds.Inflate(-72, -72);
// calculate zoom factor
if (index == 0)
{
// get size of largest image
SizeF szMax = Size.Empty;
foreach (Image page in _images)
{
szMax.Height = Math.Max(szMax.Height, page.Height);
szMax.Width = Math.Max(szMax.Width, page.Width);
}
// get size of page bounds
SizeF szPage = rcBounds.Size;
// calculate zoom so largest image doesn't overflow the page
_zoom = 1;
float zh = szPage.Width / szMax.Width;
float zv = szPage.Height / szMax.Height;
if (zh < 1 || zv < 1)
{
_zoom = Math.Min(zh, zv);
}
}
// draw grid image
var rc = rcBounds;
Image img = _images[index] as Image;
rc.Width = (int)(img.Width * _zoom);
rc.Height = (int)(img.Height * _zoom);
if (index > 0)
{
pdf.NewPage();
}
pdf.DrawImage(img, rc);
}
