private void Form1_Paint(object sender, PaintEventArgs e)
{
if (_lmvMyCallback != null && _lmvMyCallback.Image != null)
{
LeadRect destRect = LeadRect.Create(0, 0, this.ClientSize.Width, this.ClientSize.Height);
using (RasterImage destImage = new RasterImage(RasterMemoryFlags.Conventional, this.ClientSize.Width, this.ClientSize.Height,
_lmvMyCallback.Image.BitsPerPixel, _lmvMyCallback.Image.Order, _lmvMyCallback.Image.ViewPerspective,
_lmvMyCallback.Image.GetPalette(), IntPtr.Zero, 0))
{
// Resize the source image into the destination image
ResizeCommand command = new ResizeCommand();
command.DestinationImage = destImage;
command.Flags = RasterSizeFlags.Bicubic;
command.Run(_lmvMyCallback.Image);
destRect = RasterImage.CalculatePaintModeRectangle(destImage.ImageWidth, destImage.ImageHeight, destRect, RasterPaintSizeMode.FitAlways, RasterPaintAlignMode.Center, RasterPaintAlignMode.Center);
LeadRect destClipRect = LeadRect.Create(e.ClipRectangle.X, e.ClipRectangle.Y, e.ClipRectangle.Width, e.ClipRectangle.Height);
using (RasterGraphics rg = RasterImagePainter.CreateGraphics(destImage))
{
rg.Graphics.DrawRectangle(new Pen(Color.Red), _lmvMyCallback.GuideRect.X, _lmvMyCallback.GuideRect.Y, _lmvMyCallback.GuideRect.Width, _lmvMyCallback.GuideRect.Height);
}
RasterImagePainter.Paint(destImage, e.Graphics, LeadRect.Empty, LeadRect.Empty, destRect, destClipRect, RasterPaintProperties.Default);
}
}
}
private static RasterImage CreateTextFooter(LeadSize size, string tag)
{
var bpp = 24;
var byteOrder = RasterByteOrder.Bgr;
var viewPerspective = RasterViewPerspective.TopLeft;
var image = new RasterImage(RasterMemoryFlags.Conventional, size.Width, size.Height, bpp, byteOrder, viewPerspective, null, null, 0);
var fill = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.White));
fill.Run(image);
using (var graphics = RasterImagePainter.CreateGraphics(image))
{
using (var brush = new SolidBrush(Color.Black))
{
using (var font = new Font(FontFamily.GenericSansSerif, size.Width / 128))
{
var pos = new PointF(0, 0);
{
SizeF stringSize = new SizeF();
stringSize = graphics.Graphics.MeasureString(tag, font);
float scaleX = (float)size.Width / stringSize.Width;
float scaleY = (float)size.Height / stringSize.Height;
scaleX = Math.Min(1f, scaleX);
scaleY = Math.Min(1f, scaleY);
graphics.Graphics.ScaleTransform(scaleX, scaleY);
if (size.Height > (int)stringSize.Height)
{
size.Height = (int)stringSize.Height;
}
}
graphics.Graphics.DrawString(tag, font, Brushes.Black, new PointF(0, 0));
}
}
}
if (size.Height < image.Height)
{
var crop = new CropCommand(LeadRect.FromLTRB(0, 0, size.Width, size.Height));
crop.Run(image);
}
return(image);
}