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);
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
try
{
Rectangle dstRect = DestinationRectangle;
RasterImagePainter.Paint(
_image,
e.Graphics,
Converters.ConvertRect(SourceRectangle),
LeadRect.Empty,
Converters.ConvertRect(dstRect),
Converters.ConvertRect(e.ClipRectangle),
_paintProperties);
}
catch
{
}
}
protected override void OnPaint(PaintEventArgs e)
{
try
{
LeadRect dstRect = Leadtools.Demos.Converters.ConvertRect(DestinationRectangle);
#if LEADTOOLS_V17_OR_LATER
RasterImagePainter.Paint(_image, e.Graphics,
#else
_image.Paint(e.Graphics,
#endif // #if LEADTOOLS_V17_OR_LATER
Leadtools.Demos.Converters.ConvertRect(SourceRectangle),
LeadRect.Empty,
dstRect,
Leadtools.Demos.Converters.ConvertRect(e.ClipRectangle),
RasterPaintProperties.Default);
}
catch
{
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (_sampleSymbologiesRasterImage == null)
{
return;
}
if (e.Index == -1)
{
return;
}
Rectangle rc = new Rectangle(e.Bounds.X + _delta, e.Bounds.Y + _delta, e.Bounds.Width - 10, e.Bounds.Height - _delta);
if (_stringFormat == null)
{
_stringFormat = new StringFormat();
_stringFormat.Alignment = StringAlignment.Center;
_stringFormat.LineAlignment = StringAlignment.Far;
}
BarcodeSymbology symbology = (BarcodeSymbology)Items[e.Index];
string name = BarcodeEngine.GetSymbologyFriendlyName(symbology);
_sampleSymbologiesRasterImage.Page = (int)symbology;
if (_itemPen == null)
{
_itemPen = new Pen(Brushes.Black, 2);
}
e.Graphics.DrawRectangle(_itemPen, rc);
e.Graphics.FillRectangle(Brushes.White, rc);
RasterPaintProperties paintProperties = RasterPaintProperties.Default;
if (RasterSupport.IsLocked(RasterSupportType.Document))
{
paintProperties.PaintDisplayMode = RasterPaintDisplayModeFlags.Bicubic;
}
else
{
paintProperties.PaintDisplayMode = RasterPaintDisplayModeFlags.ScaleToGray;
}
LeadRect imageRect = new LeadRect(rc.X + 2, rc.Y + 2, rc.Width - 4, rc.Height * 2 / 3);
imageRect = RasterImage.CalculatePaintModeRectangle(
_sampleSymbologiesRasterImage.ImageWidth,
_sampleSymbologiesRasterImage.ImageHeight,
imageRect,
RasterPaintSizeMode.FitAlways,
RasterPaintAlignMode.CenterAlways,
RasterPaintAlignMode.CenterAlways);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
e.Graphics.FillRectangle(SystemBrushes.Highlight, rc);
RasterImagePainter.Paint(_sampleSymbologiesRasterImage, e.Graphics, imageRect, paintProperties);
e.Graphics.DrawRectangle(Pens.Black, imageRect.X, imageRect.Y, imageRect.Width, imageRect.Height);
e.Graphics.DrawString(name, Font, SystemBrushes.HighlightText, rc, _stringFormat);
}
else
{
e.Graphics.FillRectangle(SystemBrushes.Control, rc);
RasterImagePainter.Paint(_sampleSymbologiesRasterImage, e.Graphics, imageRect, paintProperties);
e.Graphics.DrawRectangle(Pens.Black, imageRect.X, imageRect.Y, imageRect.Width, imageRect.Height);
e.Graphics.DrawString(name, Font, SystemBrushes.ControlText, rc, _stringFormat);
}
}
