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); } }