In This Topic ▼

AutoResetScaleFactor Property

Summary

Enables or disables the automatic reset of the ScaleFactor property.

Syntax

C++/CLI

C++

public virtual bool AutoResetScaleFactor { get; set; }

public: 
virtual property bool AutoResetScaleFactor { 
   bool get(); 
   void set (    bool ); 
}

public:  
   virtual property bool AutoResetScaleFactor 
   { 
      bool get() 
      void set(bool value) 
   }

Property Value

true to enable automatic reset, false to disable it.

Remarks

When set to true, this will automatically reset the ScaleFactor property back to 1.0 when a new image is set to the viewer.

Example

using Leadtools.WinForms; 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Drawing; 
 
public void RasterImageViewer_RasterImageViewer() 
{ 
   MyForm1 form = new MyForm1(); 
   form.ShowDialog(); 
} 
 
class MyForm1 : Form 
{ 
   RasterImageViewer theViewer; 
 
   public MyForm1() 
   { 
      // Create the raster viewer 
      theViewer = new RasterImageViewer(); 
      theViewer.Dock = DockStyle.Fill; 
      theViewer.DoubleBuffer = true; 
      theViewer.BorderStyle = BorderStyle.Fixed3D; 
      theViewer.AutoResetScaleFactor = true; 
      theViewer.AutoResetScrollPosition = true; 
      theViewer.HorizontalAlignMode = RasterPaintAlignMode.Center; 
      theViewer.VerticalAlignMode = RasterPaintAlignMode.Far; 
      theViewer.FrameSize = new SizeF(10, 5); 
      theViewer.FrameColor = Color.Red; 
      theViewer.FramesIsPartOfImage = true; 
      theViewer.FrameShadowSize = new SizeF(5, 5); 
      theViewer.FrameShadowColor = Color.Blue; 
      theViewer.AutoScroll = true; 
      theViewer.UseDpi = true; 
 
      // Set the paint properties 
      RasterPaintProperties p = new RasterPaintProperties(); 
      p.PaintDisplayMode = RasterPaintDisplayModeFlags.Bicubic; 
      p.PaintEngine = RasterPaintEngine.GdiPlus; 
      p.UsePaintPalette = true; 
      theViewer.PaintProperties = p; 
 
      theViewer.AnimateRegion = true; 
      theViewer.EnableTimer = true; 
      theViewer.EnableScrollingInterface = true; 
 
      Controls.Add(theViewer); 
      theViewer.BringToFront(); 
 
      // load an image into the viewer 
      RasterCodecs codecs = new RasterCodecs(); 
      theViewer.Image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Sample1.cmp")); 
      codecs.Dispose(); 
 
      Text = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode); 
 
      theViewer.DoubleClick += new EventHandler(theViewer_DoubleClick); 
   } 
 
   void theViewer_DoubleClick(object sender, EventArgs e) 
   { 
      switch (theViewer.SizeMode) 
      { 
         case RasterPaintSizeMode.Normal: 
            theViewer.SizeMode = RasterPaintSizeMode.Stretch; 
            break; 
 
         case RasterPaintSizeMode.Stretch: 
            theViewer.SizeMode = RasterPaintSizeMode.Fit; 
            break; 
 
         case RasterPaintSizeMode.Fit: 
            theViewer.SizeMode = RasterPaintSizeMode.FitAlways; 
            break; 
 
         case RasterPaintSizeMode.FitAlways: 
            theViewer.SizeMode = RasterPaintSizeMode.FitWidth; 
            break; 
 
         case RasterPaintSizeMode.FitWidth: 
            theViewer.SizeMode = RasterPaintSizeMode.Normal; 
            break; 
      } 
 
      Text = string.Format("Size mode = {0}, double click to change", theViewer.SizeMode); 
 
      base.OnDoubleClick(e); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms