/// <summary>
/// Returns whether the given rectangle, in screen coordinates, is visible in any screen's
/// working area (the monitor's visible area minus task bars and docked windows)</summary>
/// <param name="rect">Rectangle</param>
/// <returns>Whether the given rectangle is visible</returns>
public static bool IsOnScreen(Rectangle rect)
{
using (Region region = new Region())
{
region.MakeEmpty();
foreach (Screen screen in Screen.AllScreens)
region.Union(screen.WorkingArea);
rect.Inflate(-Margin, -Margin);
return region.IsVisible(rect);
}
}
/// <summary>
/// Called when the form loads
/// </summary>
/// <param name="sender">what triggered the event</param>
/// <param name="e">event args</param>
private void MainForm_Load(object sender, EventArgs e)
{
// make cool shape
Region r = new Region();
GraphicsPath gp = new GraphicsPath();
gp.AddEllipse(new Rectangle(0, 0, this.Width, this.Height));
r.MakeEmpty();
r.Union(gp);
gp = new GraphicsPath();
gp.AddRectangle(new Rectangle(this.Width / 2, 0, this.Width / 2, this.Height / 2));
r.Union(gp);
this.Region = r;
}
public Region CombineAreas()
{
Region region = new Region();
region.MakeEmpty();
foreach (Area area in Areas)
{
region.Union(area.Region);
}
region.Intersect(new Region(Crop.Bounds));
return region;
}
// Convert an Xsharp.Region to System.Drawing.Region
internal static System.Drawing.Region RegionToDrawingRegion
(Xsharp.Region region)
{
Xsharp.Rectangle[] rectangles = region.GetRectangles();
System.Drawing.Region newRegion = new System.Drawing.Region();
newRegion.MakeEmpty();
for (int i = 0; i < rectangles.Length; i++)
{
Xsharp.Rectangle rect = rectangles[i];
newRegion.Union(new System.Drawing.Rectangle
(rect.x, rect.y, rect.width, rect.height));
}
return(newRegion);
}
protected override Region GetTabsRegion(TabsCollection tabs, TabItem lastTab)
{
bool bFirstVisible=true;
Region tabRegion=new Region();
tabRegion.MakeEmpty();
foreach(TabItem tab in tabs)
{
if(!tab.Visible)
continue;
GraphicsPath path=GetTabItemPath(tab,bFirstVisible,(tab==lastTab));
tabRegion.Union(path);
bFirstVisible=false;
}
return tabRegion;
}
// Creates a new array and copies when we run out of space. Doubles the size.
// Intersection of reg1 and reg2
private static void Intersect(Region reg1, Region reg2)
{
// Trivial case
RectangleF reg1Extent = reg1.extent;
if (reg1.rects.Length == 0 || reg2.rects.Length == 0 || !reg1Extent.IntersectsWith(reg2.extent))
{
reg1.MakeEmpty();
return;
}
Region intersect = RegionOperation(reg1, reg2, RegionOperationType.Intersect);
CalculateExtents(intersect);
reg1.rects = intersect.rects;
reg1.extent = intersect.extent;
}
static BlockRegions()
{
int n = Constants.PROJ_WIDTH / 4;
WholeBlock = new Region();
WholeBlock.MakeEmpty();
for (int i = 0; i <= n; i++)
{
WholeBlock.Union(new Rectangle(n * 2 - 1 - 2 * i, i, i * 4 + 2, Constants.PROJ_HEIGHT - 2 * i));
}
WholeBlock.Intersect(new Rectangle(0, 0, Constants.PROJ_WIDTH, Constants.PROJ_HEIGHT));
InnerBlock = new Region();
InnerBlock.MakeEmpty();
for (int i = 0; i <= n; i++)
{
InnerBlock.Union(new Rectangle(n * 2 - 1 - 2 * i, i + 1, i * 4 + 2, Constants.PROJ_HEIGHT - 2 - 2 * i));
}
InnerBlock.Intersect(new Rectangle(1, 1, Constants.PROJ_WIDTH - 2, Constants.PROJ_HEIGHT - 2));
OuterBorder = WholeBlock.Clone();
OuterBorder.Exclude(InnerBlock);
Top = InnerBlock.Clone();
Top.Translate(0, -Constants.BLOCK_HEIGHT);
Top.Intersect(InnerBlock);
Left = InnerBlock.Clone();
Left.Exclude(Top);
Top.Translate(0, 1);
Left.Exclude(Top);
Top.Translate(0, -1);
Right = Left.Clone();
Left.Intersect(new Rectangle(0, 0, Constants.PROJ_WIDTH / 2, Constants.PROJ_HEIGHT));
Right.Intersect(new Rectangle(Constants.PROJ_WIDTH / 2 + 1, 0, Constants.PROJ_WIDTH / 2, Constants.PROJ_HEIGHT));
InnerBorder = InnerBlock.Clone();
InnerBorder.Exclude(Top);
InnerBorder.Exclude(Left);
InnerBorder.Exclude(Right);
}
private Region GetRegion(Bitmap _img)
{
var rgn = new Region();
rgn.MakeEmpty();
var rc = new Rectangle(0, 0, 0, 0);
bool inimage = false;
for (int y = 0; y < _img.Height; y++)
{
for (int x = 0; x < _img.Width; x++)
{
if (!inimage)
{
// if pixel is not transparent
if (_img.GetPixel(x, y).A != 0)
{
inimage = true;
rc.X = x;
rc.Y = y;
rc.Height = 1;
}
}
else
{
// if pixel is transparent
if (_img.GetPixel(x, y).A == 0)
{
inimage = false;
rc.Width = x - rc.X;
rgn.Union(rc);
}
}
}
if (inimage)
{
inimage = false;
rc.Width = _img.Width - rc.X;
rgn.Union(rc);
}
}
return rgn;
}
public Region this[int c]
{
get {
if (this.cgrom[c] == null)
{
int C = c * charHeight;
Region r = new Region();
r.MakeEmpty();
for (int y = 0; y < charHeight; ++y)
{
byte row = this.cgrom_raw[C + y];
for (int x = 0; x < charWidth && row != 0; ++x)
{
if ((row & 0x80) == 0x80)
r.Union(new Rectangle(x, y, 1, 1));
row <<= 1;
}
}
this.cgrom[c] = r;
}
return this.cgrom[c];
}
}
private Region GetRegion(Rectangle bounds)
{
GraphicsPath path = GetFormPath(bounds);
Region r = new Region();
r.MakeEmpty();
r.Union(path);
// Widen path for the border...
path.Widen(SystemPens.Control);
Region r2 = new Region(path);
r.Union(path);
path.Dispose();
return r;
}
public void SetDataLabelsVisible( bool visible )
{
// set direct references
ZedGraph.GraphPane pane = zedGraphControl1.GraphPane;
ZedGraph.Axis xAxis = pane.XAxis;
ZedGraph.Axis yAxis = pane.YAxis;
if( CurrentGraphItem == null )
return;
//zedGraphControl1.GraphPane.GraphObjList.Clear();
foreach( ZedGraph.GraphObj dataLabel in dataLabels )
zedGraphControl1.GraphPane.GraphObjList.Remove( dataLabel );
if( visible )
{
if( CurrentGraphItem.IsChromatogram )
{
if( !( ChromatogramAnnotationSettings.ShowPointTimes ||
ChromatogramAnnotationSettings.ShowPointIntensities ||
ChromatogramAnnotationSettings.ShowUnmatchedAnnotations ||
ChromatogramAnnotationSettings.ShowMatchedAnnotations ) )
return;
} else
{
if( !( ScanAnnotationSettings.ShowPointMZs ||
ScanAnnotationSettings.ShowPointIntensities ||
ScanAnnotationSettings.ShowUnmatchedAnnotations ||
ScanAnnotationSettings.ShowMatchedAnnotations ) )
return;
}
yAxis.Scale.MinAuto = false;
yAxis.Scale.Min = 0;
// setup axes scales to enable the Transform method
xAxis.Scale.SetupScaleData( pane, xAxis );
yAxis.Scale.SetupScaleData( pane, yAxis );
Graphics g = zedGraphControl1.CreateGraphics();
System.Drawing.Bitmap gmap;
if( pane.Chart.Rect.Width > 0 && pane.Chart.Rect.Height > 0 )
{
try
{
//pane.Draw( g );
pane.CurveList.Draw( g, pane, 1.0f );
gmap = new Bitmap( Convert.ToInt32( pane.Rect.Width ), Convert.ToInt32( pane.Rect.Height ) );
zedGraphControl1.DrawToBitmap( gmap, Rectangle.Round( pane.Rect ) );
} catch
{
return;
}
} else
return;
Region textBoundsRegion;
Region chartRegion = new Region( pane.Chart.Rect );
Region clipRegion = new Region();
clipRegion.MakeEmpty();
g.SetClip( zedGraphControl1.MasterPane.Rect, CombineMode.Replace );
g.SetClip( chartRegion, CombineMode.Exclude );
/*Bitmap clipBmp = new Bitmap( Convert.ToInt32( pane.Rect.Width ), Convert.ToInt32( pane.Rect.Height ) );
Graphics clipG = Graphics.FromImage( clipBmp );
clipG.Clear( Color.White );
clipG.FillRegion( new SolidBrush( Color.Black ), g.Clip );
clipBmp.Save( "C:\\clip.bmp" );*/
PointDataMap<SeemsPointAnnotation> matchedAnnotations = new PointDataMap<SeemsPointAnnotation>();
// add precursor label(s) for tandem mass spectra
if( CurrentGraphItem.IsMassSpectrum )
{
MassSpectrum scanItem = (MassSpectrum) CurrentGraphItem;
pwiz.CLI.msdata.PrecursorList precursorList = scanItem.Element.spectrumDescription.precursors;
for( int i = 0; i < precursorList.Count; ++i )
{
pwiz.CLI.msdata.Precursor precursor = precursorList[i];
pwiz.CLI.msdata.SelectedIonList selectedIons = precursor.selectedIons;
if( selectedIons.Count == 0 )
continue;
double precursorMz = (double) selectedIons[0].cvParam( pwiz.CLI.msdata.CVID.MS_m_z ).value;
pwiz.CLI.msdata.CVParam precursorChargeParam = selectedIons[0].cvParam( pwiz.CLI.msdata.CVID.MS_charge_state );
int precursorCharge = 0;
if( precursorChargeParam.cvid != pwiz.CLI.msdata.CVID.CVID_Unknown )
precursorCharge = (int) selectedIons[0].cvParam( pwiz.CLI.msdata.CVID.MS_charge_state ).value;
float stickLength = ( yAxis.MajorTic.Size * 5 ) / pane.Chart.Rect.Height;
ZedGraph.LineObj stickOverlay = new ZedGraph.LineObj( precursorMz, 1, precursorMz, 1 + stickLength );
stickOverlay.Location.CoordinateFrame = ZedGraph.CoordType.XScaleYChartFraction;
stickOverlay.Line.Width = 3;
stickOverlay.Line.Style = DashStyle.Dot;
stickOverlay.Line.Color = Color.Green;
pane.GraphObjList.Add( stickOverlay );
dataLabels.Add( stickOverlay );
// Create a text label from the X data value
string precursorLabel;
if( precursorCharge > 0 )
precursorLabel = String.Format( "{0}\n(+{1} precursor)", precursorMz.ToString( "f3" ), precursorCharge );
else
precursorLabel = String.Format( "{0}\n(precursor of unknown charge)", precursorMz.ToString( "f3" ) );
ZedGraph.TextObj text = new ZedGraph.TextObj( precursorLabel, precursorMz, 1 + stickLength,
ZedGraph.CoordType.XScaleYChartFraction, ZedGraph.AlignH.Center, ZedGraph.AlignV.Top );
text.ZOrder = ZedGraph.ZOrder.A_InFront;
text.FontSpec.FontColor = stickOverlay.Line.Color;
text.FontSpec.Border.IsVisible = false;
text.FontSpec.Fill.IsVisible = false;
//text.FontSpec.Fill = new Fill( Color.FromArgb( 100, Color.White ) );
text.FontSpec.Angle = 0;
if( !detectLabelOverlap( pane, g, gmap, text, out textBoundsRegion ) )
{
pane.GraphObjList.Add( text );
clipRegion.Union( textBoundsRegion );
//g.SetClip( chartRegion, CombineMode.Replace );
g.SetClip( clipRegion, CombineMode.Replace );
//clipG.Clear( Color.White );
//clipG.FillRegion( new SolidBrush( Color.Black ), g.Clip );
//clipBmp.Save( "C:\\clip.bmp" );
dataLabels.Add( text );
//text.Draw( g, pane, 1.0f );
//zedGraphControl1.DrawToBitmap( gmap, Rectangle.Round( pane.Rect ) );
}
}
}
// add automatic labels
foreach( ZedGraph.CurveItem curve in pane.CurveList )
{
if( !( curve.Points is PointList ) )
continue;
PointList pointList = (PointList) curve.Points;
for( int i = 0; i < pointList.MaxCount; i++ )
{
ZedGraph.PointPair pt = pointList.GetPointAtIndex( pointList.ScaledMaxIndexList[i] );
if( pt.X < xAxis.Scale.Min || pt.Y > yAxis.Scale.Max || pt.Y < yAxis.Scale.Min )
continue;
if( pt.X > xAxis.Scale.Max )
break;
StringBuilder pointLabel = new StringBuilder();
Color pointColor = curve.Color;
// Add annotation
double annotationX = 0.0;
SeemsPointAnnotation annotation = null;
if( CurrentGraphItem.IsMassSpectrum )
{
PointDataMap<SeemsPointAnnotation>.MapPair annotationPair = ScanAnnotationSettings.PointAnnotations.FindNear( pt.X, ScanAnnotationSettings.MatchTolerance );
if( annotationPair != null )
{
annotationX = annotationPair.Key;
annotation = annotationPair.Value;
matchedAnnotations.Add( annotationPair );
}
} else
{
PointDataMap<SeemsPointAnnotation>.MapPair annotationPair = ChromatogramAnnotationSettings.PointAnnotations.FindNear( pt.X, ChromatogramAnnotationSettings.MatchTolerance );
if( annotationPair != null )
{
annotationX = annotationPair.Key;
annotation = annotationPair.Value;
matchedAnnotations.Add( annotationPair );
}
}
bool showMatchedAnnotations = false;
if( CurrentGraphItem.IsMassSpectrum )
showMatchedAnnotations = ScanAnnotationSettings.ShowMatchedAnnotations;
else
showMatchedAnnotations = ChromatogramAnnotationSettings.ShowMatchedAnnotations;
if( showMatchedAnnotations && annotation != null )
{
pointLabel.AppendLine( annotation.Label );
pointColor = annotation.Color;
//if( curve is ZedGraph.StickItem )
{
ZedGraph.LineObj stickOverlay = new ZedGraph.LineObj( annotationX, 0, annotationX, pt.Y );
//stickOverlay.IsClippedToChartRect = true;
stickOverlay.Location.CoordinateFrame = ZedGraph.CoordType.AxisXYScale;
stickOverlay.Line.Width = annotation.Width;
stickOverlay.Line.Color = pointColor;
zedGraphControl1.GraphPane.GraphObjList.Add( stickOverlay );
dataLabels.Add(stickOverlay);
//( (ZedGraph.StickItem) curve ).Color = pointColor;
//( (ZedGraph.StickItem) curve ).Line.Width = annotation.Width;
}
}
if( CurrentGraphItem.IsMassSpectrum )
{
if( ScanAnnotationSettings.ShowPointMZs )
pointLabel.AppendLine( pt.X.ToString( "f2" ) );
if( ScanAnnotationSettings.ShowPointIntensities )
pointLabel.AppendLine( pt.Y.ToString( "f2" ) );
} else
{
if( ChromatogramAnnotationSettings.ShowPointTimes )
pointLabel.AppendLine( pt.X.ToString( "f2" ) );
if( ChromatogramAnnotationSettings.ShowPointIntensities )
pointLabel.AppendLine( pt.Y.ToString( "f2" ) );
}
string pointLabelString = pointLabel.ToString();
if( pointLabelString.Length == 0 )
continue;
// Create a text label from the X data value
ZedGraph.TextObj text = new ZedGraph.TextObj( pointLabelString, pt.X, yAxis.Scale.ReverseTransform( yAxis.Scale.Transform( pt.Y ) - 5 ),
ZedGraph.CoordType.AxisXYScale, ZedGraph.AlignH.Center, ZedGraph.AlignV.Bottom );
text.ZOrder = ZedGraph.ZOrder.A_InFront;
//text.IsClippedToChartRect = true;
text.FontSpec.FontColor = pointColor;
// Hide the border and the fill
text.FontSpec.Border.IsVisible = false;
text.FontSpec.Fill.IsVisible = false;
//text.FontSpec.Fill = new Fill( Color.FromArgb( 100, Color.White ) );
// Rotate the text to 90 degrees
text.FontSpec.Angle = 0;
if( !detectLabelOverlap( pane, g, gmap, text, out textBoundsRegion ) )
{
pane.GraphObjList.Add( text );
clipRegion.Union( textBoundsRegion );
//g.SetClip( chartRegion, CombineMode.Replace );
g.SetClip( clipRegion, CombineMode.Replace );
//clipG.Clear( Color.White );
//clipG.FillRegion( new SolidBrush( Color.Black ), g.Clip );
//clipBmp.Save( "C:\\clip.bmp" );
dataLabels.Add( text );
//text.Draw( g, pane, 1.0f );
//zedGraphControl1.DrawToBitmap( gmap, Rectangle.Round( pane.Rect ) );
}
}
}
bool showUnmatchedAnnotations = false;
if( CurrentGraphItem.IsMassSpectrum )
showUnmatchedAnnotations = ScanAnnotationSettings.ShowUnmatchedAnnotations;
else
showUnmatchedAnnotations = ChromatogramAnnotationSettings.ShowUnmatchedAnnotations;
if( showUnmatchedAnnotations )
{
PointDataMap<SeemsPointAnnotation> annotations = CurrentPointAnnotations;
foreach( PointDataMap<SeemsPointAnnotation>.MapPair annotationPair in annotations )
{
if( matchedAnnotations.Contains( annotationPair ) )
continue;
float stickLength = ( yAxis.MajorTic.Size * 2 ) / pane.Chart.Rect.Height;
ZedGraph.LineObj stickOverlay = new ZedGraph.LineObj( annotationPair.Key, 1, annotationPair.Key, 1 + stickLength );
//stickOverlay.IsClippedToChartRect = true;
stickOverlay.Location.CoordinateFrame = ZedGraph.CoordType.XScaleYChartFraction;
stickOverlay.Line.Width = annotationPair.Value.Width;
stickOverlay.Line.Color = annotationPair.Value.Color;
zedGraphControl1.GraphPane.GraphObjList.Add( stickOverlay );
dataLabels.Add( stickOverlay );
}
}
g.Dispose();
} else
{
// remove labels
}
}
//This function will give snapshot of what is drawn on the screen at any point of time
//It will scale and translate the designers and drawing based on the viewport data
//We need this function in OnPaint and taking snapshot of magnifier bitmap
//At the end of this function; the ViewPortData.MemoryBitmap will contain the bitmap of the
//workflow to be drawn as per layout
internal static void TakeWorkflowSnapShot(WorkflowView workflowView, ViewPortData viewPortData)
{
//Get the drawing canvas
Bitmap memoryBitmap = viewPortData.MemoryBitmap;
Debug.Assert(memoryBitmap != null);
using (Graphics viewPortGraphics = Graphics.FromImage(memoryBitmap))
{
//We set the highest quality interpolation so that we do not loose the image quality
viewPortGraphics.SmoothingMode = SmoothingMode.HighQuality;
viewPortGraphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
using (PaintEventArgs eventArgs = new PaintEventArgs(viewPortGraphics, viewPortData.LogicalViewPort))
{
workflowView.ActiveLayout.OnPaint(eventArgs, viewPortData);
}
//Create the scaling matrix
Matrix transformationMatrix = new Matrix();
transformationMatrix.Scale(viewPortData.Scaling.Width, viewPortData.Scaling.Height, MatrixOrder.Prepend);
//When we draw on the viewport we draw in scaled and translated.
//So that we minimize the calls to DrawImage
//Make sure that we scale down the logical view port origin in order to take care of scaling factor
//Before we select the transform factor we make sure that logicalviewport origin is scaled down
Point[] logicalViewPortOrigin = new Point[] { viewPortData.LogicalViewPort.Location };
transformationMatrix.TransformPoints(logicalViewPortOrigin);
//For performance improvement and to eliminate one extra DrawImage...we draw the designers on the viewport
//bitmap with visual depth consideration
transformationMatrix.Translate(-logicalViewPortOrigin[0].X + viewPortData.ShadowDepth.Width, -logicalViewPortOrigin[0].Y + viewPortData.ShadowDepth.Height, MatrixOrder.Append);
//Select the transform into viewport graphics.
//Viewport bitmap has the scaled and translated designers which we then map to
//the actual graphics based on page layout
viewPortGraphics.Transform = transformationMatrix;
//Draw the designers on bitmap
if (workflowView.RootDesigner != null)
{
using (Region clipRegion = new Region())
using (GraphicsPath designerPath = ActivityDesignerPaint.GetDesignerPath(workflowView.RootDesigner, false))
{
Region oldRegion = viewPortGraphics.Clip;
//First draw the grid and rectangle with the designer clip region
clipRegion.MakeEmpty();
clipRegion.Union(designerPath);
viewPortGraphics.Clip = clipRegion;
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
viewPortGraphics.FillRectangle(ambientTheme.BackgroundBrush, workflowView.RootDesigner.Bounds);
if (ambientTheme.ShowGrid)
ActivityDesignerPaint.DrawGrid(viewPortGraphics, workflowView.RootDesigner.Bounds);
viewPortGraphics.Clip = oldRegion;
//Then draw the root with clip region extended
try
{
using (PaintEventArgs paintEventArgs = new PaintEventArgs(viewPortGraphics, viewPortData.LogicalViewPort))
{
((IWorkflowDesignerMessageSink)workflowView.RootDesigner).OnPaint(paintEventArgs, viewPortData.LogicalViewPort);
}
}
catch (Exception e)
{
//Eat the exception thrown in draw
Debug.WriteLine(e);
}
}
}
//Draw all the filters
using (PaintEventArgs paintArgs = new PaintEventArgs(viewPortGraphics, workflowView.RootDesigner.Bounds))
{
using (WorkflowMessageDispatchData dispatchData = new WorkflowMessageDispatchData(workflowView, EventArgs.Empty))
{
foreach (WorkflowDesignerMessageFilter filter in dispatchData.Filters)
{
try
{
if (((IWorkflowDesignerMessageSink)filter).OnPaint(paintArgs, viewPortData.LogicalViewPort))
break;
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
}
}
viewPortGraphics.Transform = new Matrix();
//Now that we have a bitmap which is bit offseted based visual depth we need to take copy of it
//This is done so as to avoid expensive DrawImage call, what I am assuming here is that time it
//will take to create a new bitmap from an existing one is less expensive in terms of speed than space
//As you just need to copy bitmap bits in memory than to perform expesive Image Drawing operation
if (!viewPortData.ShadowDepth.IsEmpty)
{
Bitmap temporaryBitmap = new Bitmap(memoryBitmap);
//THEMETODO: WE JUST NEED TO GRAYSCALE THIS, RATHER THAN DRAWING A SHADOW
//Now that we have taken a copy we will draw over the existing bitmap so that we can make it as shadow bitmap
using (Brush shadowDepthBrush = new SolidBrush(Color.FromArgb(220, Color.White)))
viewPortGraphics.FillRectangle(shadowDepthBrush, new Rectangle(Point.Empty, new Size(memoryBitmap.Size.Width - viewPortData.ShadowDepth.Width - 1, memoryBitmap.Size.Height - viewPortData.ShadowDepth.Height - 1)));
//Now make sure that we draw the image from the temporary bitmap with white color set as transparent
//so that we achive the 3D effect
//Make sure that we take into consideration the transparency key
ImageAttributes transparentColorKey = new ImageAttributes();
transparentColorKey.SetColorKey(viewPortData.TransparentColor, viewPortData.TransparentColor, ColorAdjustType.Default);
transparentColorKey.SetColorKey(viewPortData.TransparentColor, viewPortData.TransparentColor, ColorAdjustType.Bitmap);
viewPortGraphics.DrawImage(temporaryBitmap, new Rectangle(-viewPortData.ShadowDepth.Width, -viewPortData.ShadowDepth.Height, memoryBitmap.Width, memoryBitmap.Height), 0, 0, memoryBitmap.Width, memoryBitmap.Height, GraphicsUnit.Pixel, transparentColorKey);
//Now dispose the temporary bitmap
temporaryBitmap.Dispose();
}
}
}
//Format24bppRgb・Format32bppRgb・Format32bppArgb
//http://d.hatena.ne.jp/aharisu/20090523/1243077727
//コードは上記より拝借
public Region CreateRegionFromBitmap(Bitmap bitmap)
{
if (!(bitmap.PixelFormat == System.Drawing.Imaging.PixelFormat.Format24bppRgb ||
bitmap.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb ||
bitmap.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppRgb))
return null;// 24bitか32bit以外は無理
//ここの変数もっとまともな名前つけたい
int channels = Image.GetPixelFormatSize(bitmap.PixelFormat) / 8;
int offset = 0;
int count = channels;
if (bitmap.PixelFormat == System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{//Format32bppArgbの場合はα値のみを確認する
count = 1;
offset = 3;
}
//ビットマップから生データを取得
Rectangle rectBitmap = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
System.Drawing.Imaging.BitmapData data = bitmap.LockBits(rectBitmap,
System.Drawing.Imaging.ImageLockMode.ReadOnly, bitmap.PixelFormat);
byte[] values = new byte[data.Height * data.Stride];
System.Runtime.InteropServices.Marshal.Copy(data.Scan0, values, 0, data.Height * data.Stride);
bitmap.UnlockBits(data);
//透明にする色を取得
byte[] transparent = new byte[count];
if (count == 1)
transparent[0] = 0;
else
{
for (int i = 0; i < count; ++i)
transparent[i] = values[i];
}
Region region = new Region();
region.MakeEmpty();
Rectangle rect = new Rectangle();
for (int y = 0; y < data.Height; ++y)
{
int offsetY = y * data.Stride;
for (int x = 0; x < data.Width; ++x)
{
for (int c = 0; c < count; ++c)
{
if (transparent[c] != values[offsetY + x * channels + c + offset])
{//透過色ではない
rect.X = x;//透過色ではないスタート地点を保存
for (++x; x < data.Width; ++x)
{
for (c = 0; c < count; ++c)
{
if (transparent[c] != values[offsetY + x * channels + c + offset])
goto CONTINUE; //透過色ではないので続ける
}
break; //次の透過色を見つけたので脱出
CONTINUE:
;
}
rect.Width = x - rect.X;
rect.Y = y;
rect.Height = 1;
//透過色でない部分をリージョンに追加する
region.Union(rect);
break;
}
}
}
}
return region;
}
/// <summary>
/// OnPaint will go through the enabled elements (vertical ReminderMessage, GridLines, LineNumbers, BorderLines,
/// MarginLines) and will draw them if enabled. At the same time, it will build GraphicsPaths for each of those
/// elements (that are enabled), which will be used in SeeThroughMode (if it's active): the figures in the
/// GraphicsPaths will form a customized outline for the control by setting them as the Region of the LineNumber
/// control. Note: the vertical ReminderMessages are only drawn during designtime.
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
// Build the list of visible LineNumberItems (= pLineNumberItems) first. (doesn't take long, so it can stay in OnPaint)
UpdateVisibleLineNumberItems();
base.OnPaint(e);
// Quality settings
e.Graphics.TextRenderingHint = pLineNumbersAntiAlias ? TextRenderingHint.AntiAlias : TextRenderingHint.SystemDefault;
// NOTE: The GraphicsPaths are only used for SeeThroughMode
// FillMode.Winding: combined outline ( Alternate: XOR'ed outline )
GraphicsPath gpGridLines = new GraphicsPath(FillMode.Winding);
GraphicsPath gpBorderLines = new GraphicsPath(FillMode.Winding);
GraphicsPath gpMarginLines = new GraphicsPath(FillMode.Winding);
GraphicsPath gpLineNumbers = new GraphicsPath(FillMode.Winding);
if (DesignMode)
{
string reminderToShow = string.Empty;
if (RTParent == null)
{
reminderToShow = "-!- Set ParentRichTextBox -!-";
}
else if (pLineNumberItems.Count == 0)
{
reminderToShow = "LineNumbers ( " + RTParent.Name + " )";
}
if (reminderToShow.Length > 0)
{
e.Graphics.TranslateTransform(Width / 2f, Height / 2f);
e.Graphics.RotateTransform(-90f);
StringFormat format = new StringFormat { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center };
SizeF textSize = e.Graphics.MeasureString(reminderToShow, Font, new Point(0, 0), format);
e.Graphics.DrawString(reminderToShow, Font, Brushes.WhiteSmoke, 1f, 1f, format);
e.Graphics.DrawString(reminderToShow, Font, Brushes.Firebrick, 0f, 0f, format);
e.Graphics.ResetTransform();
Rectangle reminderRectangle = new Rectangle((int)Math.Round((Width / 2.0) - (textSize.Height / 2.0)),
(int)Math.Round((Height / 2.0) - (textSize.Width / 2.0)),
(int)Math.Round(textSize.Height), (int)Math.Round(textSize.Width));
gpLineNumbers.AddRectangle(reminderRectangle);
gpLineNumbers.CloseFigure();
if (pAutoSizing)
{
reminderRectangle.Inflate((int)Math.Round(textSize.Height * 0.2), (int)Math.Round(textSize.Width * 0.1));
pAutoSizingSize = new Size(reminderRectangle.Width, reminderRectangle.Height);
}
}
}
if (pLineNumberItems.Count > 0)
{
// The visible LineNumberItems with their BackgroundGradient and GridLines
// Loop through every visible LineNumberItem
using (Pen pen = new Pen(pGridLinesColor, pGridLinesThickness) { DashStyle = pGridLinesStyle })
{
StringFormat format = new StringFormat
{
Alignment = StringAlignment.Near,
LineAlignment = StringAlignment.Near,
FormatFlags =
StringFormatFlags.NoClip | StringFormatFlags.NoWrap | StringFormatFlags.FitBlackBox
};
for (int i = 0; i <= pLineNumberItems.Count - 1; i++)
{
// Background gradient
if (pGradientShow)
{
using (LinearGradientBrush brush = new LinearGradientBrush(pLineNumberItems[i].Rectangle,
pGradientStartColor, pGradientEndColor, pGradientDirection))
{
e.Graphics.FillRectangle(brush, pLineNumberItems[i].Rectangle);
}
}
// Grid lines
if (pGridLinesShow)
{
e.Graphics.DrawLine(pen, new Point(0, pLineNumberItems[i].Rectangle.Y),
new Point(Width, pLineNumberItems[i].Rectangle.Y));
Rectangle rect = new Rectangle((int)Math.Round(-pGridLinesThickness), pLineNumberItems[i].Rectangle.Y,
(int)Math.Round(Width + (pGridLinesThickness * 2.0)),
(int)Math.Round((Height - pLineNumberItems[0].Rectangle.Y) + pGridLinesThickness));
gpGridLines.AddRectangle(rect);
gpGridLines.CloseFigure();
}
// Line numbers
if (pLineNumbersShow)
{
string textToShow;
if (pLineNumbersShowLeadingZeroes)
{
textToShow = pLineNumbersShowAsHexadecimal
? pLineNumberItems[i].LineNumber.ToString("X4")
: pLineNumberItems[i].LineNumber.ToString("D4");
}
else
{
textToShow = pLineNumbersShowAsHexadecimal
? pLineNumberItems[i].LineNumber.ToString("X4")
: pLineNumberItems[i].LineNumber.ToString("D4");
}
Point point = new Point(0, 0);
SizeF textSize = e.Graphics.MeasureString(textToShow, Font, point, format);
// Text alignment
point = GetAlignmentPoint(textSize, pLineNumberItems[i]);
// Text clipping
Rectangle itemClipRectangle = new Rectangle(point, textSize.ToSize());
if (pLineNumbersClipByItemRectangle)
{
// If selected, the text will be clipped so that it doesn't spill out of its own
// LineNumberItem-area. Only the part of the text inside the LineNumberItem.
// Rectangle should be visible, so intersect with the ItemRectangle.
// The SetClip method temporary restricts the drawing area of the control for whatever
// is drawn next.
itemClipRectangle.Intersect(pLineNumberItems[i].Rectangle);
e.Graphics.SetClip(itemClipRectangle);
}
// Text drawing
using (SolidBrush brush = new SolidBrush(ForeColor))
{
e.Graphics.DrawString(textToShow, Font, brush, point, format);
e.Graphics.ResetClip();
}
// The GraphicsPath for the LineNumber is just a rectangle behind the text, to keep the paintingspeed high and avoid ugly artifacts.
gpLineNumbers.AddRectangle(itemClipRectangle);
gpLineNumbers.CloseFigure();
}
}
// Grid lines thickness and linestyle in SeeThroughMode. All GraphicsPath lines are drawn as solid to keep the paintingspeed high.
if (pGridLinesShow)
{
pen.DashStyle = DashStyle.Solid;
gpGridLines.Widen(pen);
}
}
}
Point left = new Point((int)Math.Round(Math.Floor(pBorderLinesThickness / 2.0)),
(int)Math.Round(Math.Floor(pBorderLinesThickness / 2.0)));
Point right = new Point((int)Math.Round(Width - Math.Ceiling(pBorderLinesThickness / 2.0)),
(int)Math.Round(Height - Math.Ceiling(pBorderLinesThickness / 2.0)));
// Border lines
Point[] borderLinesPoints = new Point[5];
borderLinesPoints[0] = new Point(left.X, left.Y);
borderLinesPoints[1] = new Point(right.X, left.Y);
borderLinesPoints[2] = new Point(right.X, right.Y);
borderLinesPoints[3] = new Point(left.X, right.Y);
borderLinesPoints[4] = new Point(left.X, left.Y);
if (pBorderLinesShow)
{
using (Pen pen = new Pen(pBorderLinesColor, pBorderLinesThickness) { DashStyle = pBorderLinesStyle })
{
e.Graphics.DrawLines(pen, borderLinesPoints);
gpBorderLines.AddLines(borderLinesPoints);
gpBorderLines.CloseFigure();
pen.DashStyle = DashStyle.Solid;
gpBorderLines.Widen(pen);
}
}
// Margin lines
if (pMarginLinesShow && (pMarginLinesSide > LineNumberDockSide.None))
{
left = new Point((int)Math.Round(-pMarginLinesThickness), (int)Math.Round(-pMarginLinesThickness));
right = new Point((int)Math.Round(Width + pMarginLinesThickness),
(int)Math.Round(Height + pMarginLinesThickness));
using (Pen pen = new Pen(pMarginLinesColor, pMarginLinesThickness) { DashStyle = pMarginLinesStyle })
{
if ((pMarginLinesSide == LineNumberDockSide.Left) | (pMarginLinesSide == LineNumberDockSide.Height))
{
e.Graphics.DrawLine(pen, new Point((int)Math.Round(Math.Floor(pMarginLinesThickness / 2.0)), 0),
new Point((int)Math.Round(Math.Floor(pMarginLinesThickness / 2.0)), Height - 1));
left = new Point((int)Math.Round(Math.Ceiling(pMarginLinesThickness / 2.0)),
(int)Math.Round(-pMarginLinesThickness));
}
if ((pMarginLinesSide == LineNumberDockSide.Right) | (pMarginLinesSide == LineNumberDockSide.Height))
{
e.Graphics.DrawLine(pen, new Point((int)Math.Round(Width - Math.Ceiling(pMarginLinesThickness / 2.0)), 0),
new Point((int)Math.Round(Width - Math.Ceiling(pMarginLinesThickness / 2.0)), Height - 1));
right = new Point((int)Math.Round(Width - Math.Ceiling(pMarginLinesThickness / 2.0)),
(int)Math.Round(Height + pMarginLinesThickness));
}
// GraphicsPath for the MarginLines(s): MarginLines(s) are drawn as a rectangle connecting the left
// and right points, which are either inside or outside of sight, depending on whether the MarginLines
// at that side is visible. "left": TopLeft and "right": BottomRight
gpMarginLines.AddRectangle(new Rectangle(left, new Size(right.X - left.X, right.Y - left.Y)));
pen.DashStyle = DashStyle.Solid;
gpMarginLines.Widen(pen);
}
}
Region region = new Region(ClientRectangle);
// SeeThroughMode: combine all the GraphicsPaths and set them as the region for the control.
if (pSeeThroughMode)
{
region.MakeEmpty();
region.Union(gpBorderLines);
region.Union(gpMarginLines);
region.Union(gpGridLines);
region.Union(gpLineNumbers);
}
if (region.GetBounds(e.Graphics).IsEmpty)
{
// Note: If the control is in a condition that would show it as empty, then a border-region is still
// drawn regardless of it's borders on/off state. This is added to make sure that the bounds of the
// control are never lost (it would remain empty if this was not done).
gpBorderLines.AddLines(borderLinesPoints);
gpBorderLines.CloseFigure();
using (Pen pen = new Pen(pBorderLinesColor, 1f) { DashStyle = DashStyle.Solid })
{
gpBorderLines.Widen(pen);
region = new Region(gpBorderLines);
}
}
Region = region;
}
protected override void OnMouseMove (MouseEventArgs e)
{
ButtonState before, after;
before = ButtonState.Normal;
if ((mouse_pressed == 1) && top_button_rect.Contains(mouse_x, mouse_y))
before = ButtonState.Pushed;
if ((mouse_pressed == 2) && bottom_button_rect.Contains(mouse_x, mouse_y))
before = ButtonState.Pushed;
mouse_x = e.X;
mouse_y = e.Y;
after = ButtonState.Normal;
if ((mouse_pressed == 1) && top_button_rect.Contains(mouse_x, mouse_y))
after = ButtonState.Pushed;
if ((mouse_pressed == 2) && bottom_button_rect.Contains(mouse_x, mouse_y))
after = ButtonState.Pushed;
bool new_top_button_entered = top_button_rect.Contains (e.Location);
bool new_bottom_button_entered = bottom_button_rect.Contains (e.Location);
if (before != after) {
if (after == ButtonState.Pushed) {
tmrRepeat.Enabled = true;
repeat_counter = 0;
repeat_delay = InitialRepeatDelay;
// fire off one right now too for good luck
if (mouse_pressed == 1)
owner.UpButton();
if (mouse_pressed == 2)
owner.DownButton();
}
else
tmrRepeat.Enabled = false;
top_button_entered = new_top_button_entered;
bottom_button_entered = new_bottom_button_entered;
Refresh ();
} else {
if (ThemeEngine.Current.UpDownBaseHasHotButtonStyle) {
Region area_to_invalidate = new Region ();
bool dirty = false;
area_to_invalidate.MakeEmpty ();
if (top_button_entered != new_top_button_entered) {
top_button_entered = new_top_button_entered;
area_to_invalidate.Union (top_button_rect);
dirty = true;
}
if (bottom_button_entered != new_bottom_button_entered) {
bottom_button_entered = new_bottom_button_entered;
area_to_invalidate.Union (bottom_button_rect);
dirty = true;
}
if (dirty)
Invalidate (area_to_invalidate);
area_to_invalidate.Dispose ();
} else {
top_button_entered = new_top_button_entered;
bottom_button_entered = new_bottom_button_entered;
}
}
}
public void EmptyRegionWithInfiniteRegion ()
{
Region empty = new Region ();
empty.MakeEmpty ();
Assert.IsTrue (empty.IsEmpty (graphic), "IsEmpty");
Region region = new Region ();
Assert.IsTrue (region.IsInfinite (graphic), "IsInfinite");
region.Union (empty);
Assert.IsTrue (region.IsInfinite (graphic), "Union-IsInfinite");
region.Xor (empty);
Assert.IsTrue (region.IsInfinite (graphic), "Xor-IsInfinite");
region.Exclude (empty);
Assert.IsTrue (region.IsInfinite (graphic), "Exclude-IsInfinite");
region.Intersect (empty);
Assert.IsTrue (region.IsEmpty (graphic), "Intersect-IsEmpty");
region.MakeInfinite ();
region.Complement (empty);
Assert.IsTrue (region.IsEmpty (graphic), "Complement-IsEmpty");
}
public Region getRegion()
{
GraphicsPath gp = new GraphicsPath();
gp.AddLine(origin, destination);
Region region = new Region();
int l = Math.Min(source.Bounds.Left, target.Bounds.Left);
int t = Math.Min(source.Bounds.Top, target.Bounds.Top);
int r = Math.Max(source.Bounds.Right, target.Bounds.Right);
int b = Math.Max(source.Bounds.Bottom, target.Bounds.Bottom);
Rectangle rect = new Rectangle(1, t, r-1, b-t);
region.MakeEmpty();
region.Union(rect);
return region;
}
//, Color TransparentColor)
private static Region BmpRgn(Bitmap Picture)
{
#region
int nWidth = Picture.Width;
int nHeight = Picture.Height;
Region rgn = new Region();
rgn.MakeEmpty();
bool isTransRgn; //ǰһ�����Ƿ�������
Color curColor; //��ǰ�����ɫ
Rectangle curRect = new Rectangle();
curRect.Height = 1;
int x = 0, y = 0;
Color TransparentColor = Picture.GetPixel(0, 0);
//������ɨ�����ͼƬ���ҳ�����ɫ�������ϲ�����
for (y = 0; y < nHeight; ++y)
{
isTransRgn = true;
for (x = 0; x < nWidth; ++x)
{
curColor = Picture.GetPixel(x, y);
if (curColor == TransparentColor || x == nWidth - 1) //���������ɫ����β
{
if (isTransRgn == false) //�˳���Ч��
{
curRect.Width = x - curRect.X;
rgn.Union(curRect);
}
}
else //����ɫ
{
if (isTransRgn == true) //��������
{
curRect.X = x;
curRect.Y = y;
}
} //if curColor
isTransRgn = curColor == TransparentColor;
} //for x
} //for y
return rgn;
#endregion
}
internal override PaintEventArgs PaintEventStart(ref Message msg, IntPtr handle, bool client) {
PaintEventArgs paint_event;
Hwnd hwnd;
Hwnd paint_hwnd;
hwnd = Hwnd.ObjectFromHandle(msg.HWnd);
if (msg.HWnd == handle) {
paint_hwnd = hwnd;
} else {
paint_hwnd = Hwnd.ObjectFromHandle (handle);
}
if (Caret.Visible == 1) {
Caret.Paused = true;
HideCaret();
}
Graphics dc;
if (client) {
dc = Graphics.FromHwnd (paint_hwnd.client_window);
Region clip_region = new Region ();
clip_region.MakeEmpty();
foreach (Rectangle r in hwnd.ClipRectangles) {
clip_region.Union (r);
}
if (hwnd.UserClip != null) {
clip_region.Intersect(hwnd.UserClip);
}
// FIXME: Clip region is hosed
dc.Clip = clip_region;
paint_event = new PaintEventArgs(dc, hwnd.Invalid);
hwnd.expose_pending = false;
hwnd.ClearInvalidArea();
hwnd.drawing_stack.Push (paint_event);
hwnd.drawing_stack.Push (dc);
} else {
dc = Graphics.FromHwnd (paint_hwnd.whole_window);
if (!hwnd.nc_invalid.IsEmpty) {
// FIXME: Clip region is hosed
dc.SetClip (hwnd.nc_invalid);
paint_event = new PaintEventArgs(dc, hwnd.nc_invalid);
} else {
paint_event = new PaintEventArgs(dc, new Rectangle(0, 0, hwnd.width, hwnd.height));
}
hwnd.nc_expose_pending = false;
hwnd.ClearNcInvalidArea ();
hwnd.drawing_stack.Push (paint_event);
hwnd.drawing_stack.Push (dc);
}
return paint_event;
}
// This method exists so controls overriding OnPaintBackground can have default background painting done
internal virtual void PaintControlBackground (PaintEventArgs pevent) {
bool tbstyle_flat = ((CreateParams.Style & (int) ToolBarStyles.TBSTYLE_FLAT) != 0);
// If we have transparent background
if (((BackColor.A != 0xff) && GetStyle(ControlStyles.SupportsTransparentBackColor)) || tbstyle_flat) {
if (parent != null) {
PaintEventArgs parent_pe;
GraphicsState state;
parent_pe = new PaintEventArgs(pevent.Graphics, new Rectangle(pevent.ClipRectangle.X + Left, pevent.ClipRectangle.Y + Top, pevent.ClipRectangle.Width, pevent.ClipRectangle.Height));
state = parent_pe.Graphics.Save();
parent_pe.Graphics.TranslateTransform(-Left, -Top);
parent.OnPaintBackground(parent_pe);
parent_pe.Graphics.Restore(state);
state = parent_pe.Graphics.Save();
parent_pe.Graphics.TranslateTransform(-Left, -Top);
parent.OnPaint(parent_pe);
parent_pe.Graphics.Restore(state);
parent_pe.SetGraphics(null);
}
}
if ((clip_region != null) && (XplatUI.UserClipWontExposeParent)) {
if (parent != null) {
PaintEventArgs parent_pe;
Region region;
GraphicsState state;
Hwnd hwnd;
hwnd = Hwnd.ObjectFromHandle(Handle);
if (hwnd != null) {
parent_pe = new PaintEventArgs(pevent.Graphics, new Rectangle(pevent.ClipRectangle.X + Left, pevent.ClipRectangle.Y + Top, pevent.ClipRectangle.Width, pevent.ClipRectangle.Height));
region = new Region ();
region.MakeEmpty();
region.Union(ClientRectangle);
foreach (Rectangle r in hwnd.ClipRectangles) {
region.Union (r);
}
state = parent_pe.Graphics.Save();
parent_pe.Graphics.Clip = region;
parent_pe.Graphics.TranslateTransform(-Left, -Top);
parent.OnPaintBackground(parent_pe);
parent_pe.Graphics.Restore(state);
state = parent_pe.Graphics.Save();
parent_pe.Graphics.Clip = region;
parent_pe.Graphics.TranslateTransform(-Left, -Top);
parent.OnPaint(parent_pe);
parent_pe.Graphics.Restore(state);
parent_pe.SetGraphics(null);
region.Intersect(clip_region);
pevent.Graphics.Clip = region;
}
}
}
if (background_image == null) {
if (!tbstyle_flat) {
Rectangle paintRect = pevent.ClipRectangle;
Brush pen = ThemeEngine.Current.ResPool.GetSolidBrush(BackColor);
pevent.Graphics.FillRectangle(pen, paintRect);
}
return;
}
DrawBackgroundImage (pevent.Graphics);
}
/// <summary>
/// Makes the current <see cref="RichTextBoxLineNumbers"/> transparent
/// by matching <see cref="Region"/> to the given <see cref="GraphicsPath"/>s.
/// </summary>
/// <param name="graphicPaths"></param>
private void MakeTransparent(IEnumerable<GraphicsPath> graphicPaths)
{
var region = new Region(ClientRectangle);
region.MakeEmpty();
foreach (var path in graphicPaths)
region.Union(path);
Region = region;
}
void FillRegionEmpty(Graphics g)
{
Pen myPen = new Pen(Color.FromArgb(196, 0xC3, 0xC9, 0xCF), (float)0.6);
SolidBrush myBrush = new SolidBrush(Color.FromArgb(127, 0xDD, 0xDD, 0xF0));
// Create the first rectangle and draw it to the screen in myPen color.
g.DrawRectangle(myPen, regionRect1);
// Create a region using the first rectangle.
Region myRegion = new Region(regionRect1);
myRegion.MakeEmpty ();
// Fill the region which basically clears the screen to the background color.
// Take a look at the initialize method of DrawingView.
// This may set the rectangle to Black depending on the context
// passed. On a NSView set WantsLayers and the Layer Background color.
g.FillRegion(myBrush, myRegion);
title = "FillEmptyRegion";
}
void FillRegionEmptyXor(Graphics g)
{
Pen myPen = new Pen(Color.FromArgb(196, 0xC3, 0xC9, 0xCF), (float)0.6);
SolidBrush myBrush = new SolidBrush(Color.FromArgb(127, 0xDD, 0xDD, 0xF0));
// Create the first rectangle and draw it to the screen in black.
g.DrawRectangle(myPen, regionRect1);
g.FillRectangle(myBrush, regionRect1);
myPen.Color = Color.FromArgb(196, 0xF9, 0xBE, 0xA6);
myBrush.Color = Color.FromArgb(127, 0xFF, 0xE0, 0xE0);
// create the second rectangle and draw it to the screen in red.
g.DrawRectangle(myPen,
Rectangle.Round(regionRectF2));
g.FillRectangle(myBrush, regionRect2);
// Create a region using the first rectangle.
Region myRegion = new Region();
myRegion.MakeEmpty();
// Get the area of intersection for myRegion when combined with
// complementRect.
myRegion.Xor(regionRectF2);
myBrush.Color = Color.FromArgb(127, 0x66, 0xEF, 0x7F);
myPen.Color = Color.FromArgb(255, 0, 0x33, 0);
g.FillRegion(myBrush, myRegion);
title = "FillRegionEmptyXor";
}
void OnMouseLeave (object sender, EventArgs e)
{
Region region_to_invalidate = new Region ();
region_to_invalidate.MakeEmpty ();
bool dirty = false;
if (ThemeEngine.Current.ScrollBarHasHoverArrowButtonStyle) {
region_to_invalidate.Union (first_arrow_area);
region_to_invalidate.Union (second_arrow_area);
dirty = true;
} else
if (ThemeEngine.Current.ScrollBarHasHotElementStyles)
if (first_button_entered) {
region_to_invalidate.Union (first_arrow_area);
dirty = true;
} else if (second_button_entered) {
region_to_invalidate.Union (second_arrow_area);
dirty = true;
}
if (ThemeEngine.Current.ScrollBarHasHotElementStyles)
if (thumb_entered) {
region_to_invalidate.Union (thumb_pos);
dirty = true;
}
first_button_entered = false;
second_button_entered = false;
thumb_entered = false;
if (dirty)
Invalidate (region_to_invalidate);
region_to_invalidate.Dispose ();
}
public Region getAffectedRegion()
{
Region region = new Region();
region.MakeEmpty();
//region.Union(Bounds);
foreach( SignalConnector conn in connectionsIn )
region.Union(conn.getRegion());
foreach( SignalConnector conn in connectionsOut )
region.Union(conn.getRegion());
return region;
}
/// <summary>
/// OnPaint will go through the enabled elements (vertical ReminderMessage, GridLines, LineNumbers, BorderLines, MarginLines) and will
/// draw them if enabled. At the same time, it will build GraphicsPaths for each of those elements (that are enabled), which will be used
/// in SeeThroughMode (if it's active): the figures in the GraphicsPaths will form a customized outline for the control by setting them as the
/// Region of the LineNumber control. Note: the vertical ReminderMessages are only drawn during designtime.
/// </summary>
/// <param name="e"></param>
/// <remarks></remarks>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
// Build the list of visible LineNumberItems (= zLNIs) first. (doesn't take long, so it can stay in OnPaint)
this.Update_VisibleLineNumberItems();
base.OnPaint(e);
// --- QualitySettings
if (zLineNumbers_AntiAlias == true) {
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
} else {
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SystemDefault;
}
// --- Local Declarations
string zTextToShow = "";
string zReminderToShow = "";
StringFormat zSF = new StringFormat();
SizeF zTextSize = default(SizeF);
Pen zPen = new Pen(this.ForeColor);
SolidBrush zBrush = new SolidBrush(this.ForeColor);
Point zPoint = new Point(0, 0);
Rectangle zItemClipRectangle = new Rectangle(0, 0, 0, 0);
// NOTE: The GraphicsPaths are only used for SeeThroughMode
// FillMode.Winding: combined outline ( Alternate: XOR'ed outline )
System.Drawing.Drawing2D.GraphicsPath zGP_GridLines = new System.Drawing.Drawing2D.GraphicsPath(System.Drawing.Drawing2D.FillMode.Winding);
System.Drawing.Drawing2D.GraphicsPath zGP_BorderLines = new System.Drawing.Drawing2D.GraphicsPath(System.Drawing.Drawing2D.FillMode.Winding);
System.Drawing.Drawing2D.GraphicsPath zGP_MarginLines = new System.Drawing.Drawing2D.GraphicsPath(System.Drawing.Drawing2D.FillMode.Winding);
System.Drawing.Drawing2D.GraphicsPath zGP_LineNumbers = new System.Drawing.Drawing2D.GraphicsPath(System.Drawing.Drawing2D.FillMode.Winding);
Region zRegion = new Region(base.ClientRectangle);
// ----------------------------------------------
// --- DESIGNTIME / NO VISIBLE ITEMS
if (this.DesignMode == true) {
// Show a vertical reminder message
if (zParent == null) {
zReminderToShow = "-!- Set ParentRichTextBox -!-";
} else {
if (zLNIs.Count == 0)
zReminderToShow = "LineNrs ( " + zParent.Name + " )";
}
if (zReminderToShow.Length > 0) {
// --- Centering and Rotation for the reminder message
e.Graphics.TranslateTransform(this.Width / 2, this.Height / 2);
e.Graphics.RotateTransform(-90);
zSF.Alignment = StringAlignment.Center;
zSF.LineAlignment = StringAlignment.Center;
// --- Show the reminder message (with small shadow)
zTextSize = e.Graphics.MeasureString(zReminderToShow, this.Font, zPoint, zSF);
e.Graphics.DrawString(zReminderToShow, this.Font, Brushes.WhiteSmoke, 1, 1, zSF);
e.Graphics.DrawString(zReminderToShow, this.Font, Brushes.Firebrick, 0, 0, zSF);
e.Graphics.ResetTransform();
//Rectangle zReminderRectangle = new Rectangle(this.Width / 2 - zTextSize.Height / 2, this.Height / 2 - zTextSize.Width / 2, zTextSize.Height, zTextSize.Width);
Rectangle zReminderRectangle = new Rectangle((int)(this.Width / 2 - zTextSize.Height / 2), (int)(this.Height / 2 - zTextSize.Width / 2), (int)(zTextSize.Height), (int)(zTextSize.Width));
zGP_LineNumbers.AddRectangle(zReminderRectangle);
zGP_LineNumbers.CloseFigure();
if (zAutoSizing == true) {
zReminderRectangle.Inflate((int)(zTextSize.Height * 0.2), (int)(zTextSize.Width * 0.1));
//zReminderRectangle.Inflate(zTextSize.Height * 0.2, zTextSize.Width * 0.1);
zAutoSizing_Size = new Size(zReminderRectangle.Width, zReminderRectangle.Height);
}
}
}
// ----------------------------------------------
// --- DESIGN OR RUNTIME / WITH VISIBLE ITEMS (which means zParent exists)
if (zLNIs.Count > 0) {
// The visible LineNumberItems with their BackgroundGradient and GridLines
// Loop through every visible LineNumberItem
System.Drawing.Drawing2D.LinearGradientBrush zLGB = null;
zPen = new Pen(zGridLines_Color, zGridLines_Thickness);
zPen.DashStyle = zGridLines_Style;
zSF.Alignment = StringAlignment.Near;
zSF.LineAlignment = StringAlignment.Near;
//zSF.FormatFlags = StringFormatFlags.FitBlackBox + StringFormatFlags.NoClip + StringFormatFlags.NoWrap;
zSF.FormatFlags = StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip | StringFormatFlags.NoWrap;
for (int zA = 0; zA <= zLNIs.Count - 1; zA++) {
// --- BackgroundGradient
if (zGradient_Show == true) {
//zLGB = new Drawing2D.LinearGradientBrush(zLNIs(zA).Rectangle, zGradient_StartColor, zGradient_EndColor, zGradient_Direction);
zLGB = new System.Drawing.Drawing2D.LinearGradientBrush(zLNIs[zA].Rectangle, zGradient_StartColor, zGradient_EndColor, zGradient_Direction);
e.Graphics.FillRectangle(zLGB, zLNIs[zA].Rectangle);
//e.Graphics.FillRectangle(zLGB, zLNIs(zA).Rectangle);
}
// --- GridLines
if (zGridLines_Show == true) {
e.Graphics.DrawLine(zPen, new Point(0, zLNIs[zA].Rectangle.Y), new Point(this.Width, zLNIs[zA].Rectangle.Y));
//e.Graphics.DrawLine(zPen, new Point(0, zLNIs(zA).Rectangle.Y), new Point(this.Width, zLNIs(zA).Rectangle.Y));
// NOTE: Every item in a GraphicsPath is a closed figure, so instead of adding gridlines as lines, we'll add them
// as rectangles that loop out of sight. Their height uses the zContentRectangle which is the maxsize of
// the ParentRichTextBox's contents.
// NOTE: Slight adjustment needed when the first item has a negative Y coordinate.
// This explains the " - zLNIs(0).Rectangle.Y" (which adds the negative size to the height
// to make sure the rectangle's bottompart stays out of sight)
//zGP_GridLines.AddRectangle(new Rectangle(-zGridLines_Thickness, zLNIs(zA).Rectangle.Y, this.Width + zGridLines_Thickness * 2, this.Height - zLNIs(0).Rectangle.Y + zGridLines_Thickness));
zGP_GridLines.AddRectangle(new Rectangle( (int)(-zGridLines_Thickness),
(int)(zLNIs[zA].Rectangle.Y),
(int)(this.Width + zGridLines_Thickness * 2),
(int)(this.Height - zLNIs[zA].Rectangle.Y + zGridLines_Thickness)
));
zGP_GridLines.CloseFigure();
}
// --- LineNumbers
if (zLineNumbers_Show == true) {
// TextFormatting
if (zLineNumbers_ShowLeadingZeroes == true) {
zTextToShow = (zLineNumbers_ShowAsHexadecimal ? zLNIs[zA].LineNumber.ToString("X") : zLNIs[zA].LineNumber.ToString(zLineNumbers_Format));
//zTextToShow = (zLineNumbers_ShowAsHexadecimal ? zLNIs(zA).LineNumber.ToString("X") : zLNIs(zA).LineNumber.ToString(zLineNumbers_Format));
} else {
zTextToShow = (zLineNumbers_ShowAsHexadecimal ? zLNIs[zA].LineNumber.ToString("X") : zLNIs[zA].LineNumber.ToString());
//zTextToShow = (zLineNumbers_ShowAsHexadecimal ? zLNIs(zA).LineNumber.ToString("X") : zLNIs(zA).LineNumber.ToString);
}
// TextSizing
zTextSize = e.Graphics.MeasureString(zTextToShow, this.Font, zPoint, zSF);
// TextAlignment and positioning (zPoint = TopLeftCornerPoint of the text)
// TextAlignment, padding, manual offset (via LineNrs_Offset) and zTextSize are all included in the calculation of zPoint.
switch (zLineNumbers_Alignment) {
case ContentAlignment.TopLeft:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Left + this.Padding.Left + zLineNumbers_Offset.Width), (int)(zLNIs[zA].Rectangle.Top + this.Padding.Top + zLineNumbers_Offset.Height));
break;
case ContentAlignment.MiddleLeft:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Left + this.Padding.Left + zLineNumbers_Offset.Width), (int)(zLNIs[zA].Rectangle.Top + (zLNIs[zA].Rectangle.Height / 2) + zLineNumbers_Offset.Height - zTextSize.Height / 2));
break;
case ContentAlignment.BottomLeft:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Left + this.Padding.Left + zLineNumbers_Offset.Width), (int)(zLNIs[zA].Rectangle.Bottom - this.Padding.Bottom + 1 + zLineNumbers_Offset.Height - zTextSize.Height));
break;
case ContentAlignment.TopCenter:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Width / 2 + zLineNumbers_Offset.Width - zTextSize.Width / 2), (int)(zLNIs[zA].Rectangle.Top + this.Padding.Top + zLineNumbers_Offset.Height));
break;
case ContentAlignment.MiddleCenter:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Width / 2 + zLineNumbers_Offset.Width - zTextSize.Width / 2), (int)(zLNIs[zA].Rectangle.Top + (zLNIs[zA].Rectangle.Height / 2) + zLineNumbers_Offset.Height - zTextSize.Height / 2));
break;
case ContentAlignment.BottomCenter:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Width / 2 + zLineNumbers_Offset.Width - zTextSize.Width / 2), (int)(zLNIs[zA].Rectangle.Bottom - this.Padding.Bottom + 1 + zLineNumbers_Offset.Height - zTextSize.Height));
break;
case ContentAlignment.TopRight:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Right - this.Padding.Right + zLineNumbers_Offset.Width - zTextSize.Width), (int)(zLNIs[zA].Rectangle.Top + this.Padding.Top + zLineNumbers_Offset.Height));
break;
case ContentAlignment.MiddleRight:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Right - this.Padding.Right + zLineNumbers_Offset.Width - zTextSize.Width), (int)(zLNIs[zA].Rectangle.Top + (zLNIs[zA].Rectangle.Height / 2) + zLineNumbers_Offset.Height - zTextSize.Height / 2));
break;
case ContentAlignment.BottomRight:
zPoint = new Point((int)(zLNIs[zA].Rectangle.Right - this.Padding.Right + zLineNumbers_Offset.Width - zTextSize.Width), (int)(zLNIs[zA].Rectangle.Bottom - this.Padding.Bottom + 1 + zLineNumbers_Offset.Height - zTextSize.Height));
break;
}
// TextClipping
zItemClipRectangle = new Rectangle(zPoint, zTextSize.ToSize());
if (zLineNumbers_ClipByItemRectangle == true) {
// If selected, the text will be clipped so that it doesn't spill out of its own LineNumberItem-area.
// Only the part of the text inside the LineNumberItem.Rectangle should be visible, so intersect with the ItemRectangle
// The SetClip method temporary restricts the drawing area of the control for whatever is drawn next.
zItemClipRectangle.Intersect(zLNIs[zA].Rectangle);
e.Graphics.SetClip(zItemClipRectangle);
}
// TextDrawing
e.Graphics.DrawString(zTextToShow, this.Font, zBrush, zPoint, zSF);
e.Graphics.ResetClip();
// The GraphicsPath for the LineNumber is just a rectangle behind the text, to keep the paintingspeed high and avoid ugly artifacts.
zGP_LineNumbers.AddRectangle(zItemClipRectangle);
zGP_LineNumbers.CloseFigure();
}
}
// --- GridLinesThickness and Linestyle in SeeThroughMode. All GraphicsPath lines are drawn as solid to keep the paintingspeed high.
if (zGridLines_Show == true) {
zPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
zGP_GridLines.Widen(zPen);
}
// --- Memory CleanUp
if (zLGB != null)
zLGB.Dispose();
}
// ----------------------------------------------
// --- DESIGN OR RUNTIME / ALWAYS
//Point zP_Left = new Point(Math.Floor(zBorderLines_Thickness / 2), Math.Floor(zBorderLines_Thickness / 2));
//Point zP_Right = new Point(this.Width - Math.Ceiling(zBorderLines_Thickness / 2), this.Height - Math.Ceiling(zBorderLines_Thickness / 2));
Point zP_Left = new Point(
(int)(Math.Floor(zBorderLines_Thickness / 2)),
(int)(Math.Floor(zBorderLines_Thickness / 2))
);
Point zP_Right = new Point(
(int)(this.Width - Math.Ceiling(zBorderLines_Thickness / 2)),
(int)(this.Height - Math.Ceiling(zBorderLines_Thickness / 2))
);
// --- BorderLines
Point[] zBorderLines_Points = {
new Point(zP_Left.X, zP_Left.Y),
new Point(zP_Right.X, zP_Left.Y),
new Point(zP_Right.X, zP_Right.Y),
new Point(zP_Left.X, zP_Right.Y),
new Point(zP_Left.X, zP_Left.Y)
};
if (zBorderLines_Show == true) {
zPen = new Pen(zBorderLines_Color, zBorderLines_Thickness);
zPen.DashStyle = zBorderLines_Style;
e.Graphics.DrawLines(zPen, zBorderLines_Points);
zGP_BorderLines.AddLines(zBorderLines_Points);
zGP_BorderLines.CloseFigure();
// BorderThickness and Style for SeeThroughMode
zPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
zGP_BorderLines.Widen(zPen);
}
// --- MarginLines
if (zMarginLines_Show == true && zMarginLines_Side > LineNumberDockSide.None) {
zP_Left = new Point((int)(-zMarginLines_Thickness), (int)(-zMarginLines_Thickness));
zP_Right = new Point((int)(this.Width + zMarginLines_Thickness), (int)(this.Height + zMarginLines_Thickness));
zPen = new Pen(zMarginLines_Color, zMarginLines_Thickness);
zPen.DashStyle = zMarginLines_Style;
if (zMarginLines_Side == LineNumberDockSide.Left | zMarginLines_Side == LineNumberDockSide.Height) {
e.Graphics.DrawLine(zPen, new Point(
(int)(Math.Floor(zMarginLines_Thickness / 2)), 0),
new Point(
(int)(Math.Floor(zMarginLines_Thickness / 2)),
this.Height - 1)
);
zP_Left = new Point(
(int)(Math.Ceiling(zMarginLines_Thickness / 2)),
(int)(-zMarginLines_Thickness));
}
if (zMarginLines_Side == LineNumberDockSide.Right | zMarginLines_Side == LineNumberDockSide.Height) {
e.Graphics.DrawLine(zPen, new Point(
(int)(this.Width - Math.Ceiling(zMarginLines_Thickness / 2)), 0),
new Point(
(int)(this.Width - Math.Ceiling(zMarginLines_Thickness / 2)),
(int)(this.Height - 1))
);
zP_Right = new Point(
(int)(this.Width - Math.Ceiling(zMarginLines_Thickness / 2)),
(int)(this.Height + zMarginLines_Thickness)
);
}
// GraphicsPath for the MarginLines(s):
// MarginLines(s) are drawn as a rectangle connecting the zP_Left and zP_Right points, which are either inside or
// outside of sight, depending on whether the MarginLines at that side is visible. zP_Left: TopLeft and ZP_Right: BottomRight
zGP_MarginLines.AddRectangle(new Rectangle(zP_Left, new Size(zP_Right.X - zP_Left.X, zP_Right.Y - zP_Left.Y)));
zPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
zGP_MarginLines.Widen(zPen);
}
// ----------------------------------------------
// --- SeeThroughMode
// combine all the GraphicsPaths (= zGP_... ) and set them as the region for the control.
if (zSeeThroughMode == true) {
zRegion.MakeEmpty();
zRegion.Union(zGP_BorderLines);
zRegion.Union(zGP_MarginLines);
zRegion.Union(zGP_GridLines);
zRegion.Union(zGP_LineNumbers);
}
// --- Region
if (zRegion.GetBounds(e.Graphics).IsEmpty == true) {
// Note: If the control is in a condition that would show it as empty, then a border-region is still drawn regardless of it's borders on/off state.
// This is added to make sure that the bounds of the control are never lost (it would remain empty if this was not done).
zGP_BorderLines.AddLines(zBorderLines_Points);
zGP_BorderLines.CloseFigure();
zPen = new Pen(zBorderLines_Color, 1);
zPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Solid;
zGP_BorderLines.Widen(zPen);
zRegion = new Region(zGP_BorderLines);
}
this.Region = zRegion;
// ----------------------------------------------
// --- Memory CleanUp
if (zPen != null)
zPen.Dispose();
if (zBrush != null)
zPen.Dispose();
if (zRegion != null)
zRegion.Dispose();
if (zGP_GridLines != null)
zGP_GridLines.Dispose();
if (zGP_BorderLines != null)
zGP_BorderLines.Dispose();
if (zGP_MarginLines != null)
zGP_MarginLines.Dispose();
if (zGP_LineNumbers != null)
zGP_LineNumbers.Dispose();
}
/// <summary>
/// Given a control returns the region of the control, also it returs the region of the control
/// that is not obscured by another window.
/// </summary>
/// <param name="ctrl">The sources control.</param>
/// <param name="controlRegion">The region of the control.</param>
/// <param name="notObscuredControlRegion">The region not obscured by another windows.</param>
private static void GetVisibilityRegionsForControl(Control ctrl, out Region controlRegion, out Region notObscuredControlRegion)
{
Control parentInternal = null;
Control parentInternalParent = null;
if (!ctrl.IsHandleCreated || !ctrl.Visible)
{
controlRegion = new Region();
controlRegion.MakeEmpty();
notObscuredControlRegion = new Region();
notObscuredControlRegion.MakeEmpty();
return;
}
RECT rect = new RECT();
parentInternal = ctrl.GetType().GetProperty("ParentInternal", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(ctrl, null) as Control;
if (parentInternal != null)
{
parentInternalParent = parentInternal.GetType().GetProperty("ParentInternal", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(parentInternal, null) as Control;
while (parentInternalParent != null)
{
parentInternal = parentInternalParent;
parentInternalParent = parentInternal.GetType().GetProperty("ParentInternal", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(parentInternal, null) as Control;
}
}
GetWindowRect(new HandleRef(ctrl, ctrl.Handle), ref rect);
controlRegion = new Region(Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom));
notObscuredControlRegion = new Region(Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom));
IntPtr ptr2;
IntPtr handle;
if (parentInternal != null)
handle = parentInternal.Handle;
else
handle = ctrl.Handle;
for (IntPtr ptr = handle; (ptr2 = GetWindow(new HandleRef(null, ptr), 3)) != IntPtr.Zero; ptr = ptr2)
{
GetWindowRect(new HandleRef(null, ptr2), ref rect);
Rectangle rectangle = Rectangle.FromLTRB(rect.left, rect.top, rect.right, rect.bottom);
if (IsWindowVisible(new HandleRef(null, ptr2)))
{
notObscuredControlRegion.Exclude(rectangle);
}
}
}
CreateClippedDrawingObjects()
{
AssertValid();
Graphics oGraphics = this.CreateGraphics();
Region oRegion = new Region();
oRegion.MakeEmpty();
oGraphics.Clip = oRegion;
// Use an arbitrary height, which none of the drawing methods pay
// attention to. If a non-zero width is available, use it. (The width
// is zero when the control is being resized as it is first shown.)
Int32 iWidth = this.ClientRectangle.Width;
Rectangle oControlRectangle = new Rectangle(0, 0,
iWidth == 0 ? 100 : iWidth, 100);
return ( CreateDrawingObjects(oGraphics, oControlRectangle) );
}
internal static void TakeWorkflowSnapShot(WorkflowView workflowView, ViewPortData viewPortData)
{
Bitmap memoryBitmap = viewPortData.MemoryBitmap;
using (Graphics graphics = Graphics.FromImage(memoryBitmap))
{
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
using (PaintEventArgs args = new PaintEventArgs(graphics, viewPortData.LogicalViewPort))
{
workflowView.ActiveLayout.OnPaint(args, viewPortData);
}
Matrix matrix = new Matrix();
matrix.Scale(viewPortData.Scaling.Width, viewPortData.Scaling.Height, MatrixOrder.Prepend);
Point[] pts = new Point[] { viewPortData.LogicalViewPort.Location };
matrix.TransformPoints(pts);
matrix.Translate((float) (-pts[0].X + viewPortData.ShadowDepth.Width), (float) (-pts[0].Y + viewPortData.ShadowDepth.Height), MatrixOrder.Append);
graphics.Transform = matrix;
if (workflowView.RootDesigner != null)
{
using (Region region = new Region())
{
using (GraphicsPath path = ActivityDesignerPaint.GetDesignerPath(workflowView.RootDesigner, false))
{
Region clip = graphics.Clip;
region.MakeEmpty();
region.Union(path);
graphics.Clip = region;
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
graphics.FillRectangle(ambientTheme.BackgroundBrush, workflowView.RootDesigner.Bounds);
if (ambientTheme.ShowGrid)
{
ActivityDesignerPaint.DrawGrid(graphics, workflowView.RootDesigner.Bounds);
}
graphics.Clip = clip;
try
{
using (PaintEventArgs args2 = new PaintEventArgs(graphics, viewPortData.LogicalViewPort))
{
((IWorkflowDesignerMessageSink) workflowView.RootDesigner).OnPaint(args2, viewPortData.LogicalViewPort);
}
}
catch (Exception)
{
}
}
}
}
using (PaintEventArgs args3 = new PaintEventArgs(graphics, workflowView.RootDesigner.Bounds))
{
using (WorkflowMessageDispatchData data = new WorkflowMessageDispatchData(workflowView, EventArgs.Empty))
{
foreach (WorkflowDesignerMessageFilter filter in data.Filters)
{
try
{
if (((IWorkflowDesignerMessageSink) filter).OnPaint(args3, viewPortData.LogicalViewPort))
{
goto Label_0230;
}
}
catch (Exception)
{
}
}
}
}
Label_0230:
graphics.Transform = new Matrix();
if (!viewPortData.ShadowDepth.IsEmpty)
{
Bitmap image = new Bitmap(memoryBitmap);
using (Brush brush = new SolidBrush(Color.FromArgb(220, Color.White)))
{
graphics.FillRectangle(brush, new Rectangle(Point.Empty, new Size((memoryBitmap.Size.Width - viewPortData.ShadowDepth.Width) - 1, (memoryBitmap.Size.Height - viewPortData.ShadowDepth.Height) - 1)));
}
ImageAttributes imageAttr = new ImageAttributes();
imageAttr.SetColorKey(viewPortData.TransparentColor, viewPortData.TransparentColor, ColorAdjustType.Default);
imageAttr.SetColorKey(viewPortData.TransparentColor, viewPortData.TransparentColor, ColorAdjustType.Bitmap);
graphics.DrawImage(image, new Rectangle(-viewPortData.ShadowDepth.Width, -viewPortData.ShadowDepth.Height, memoryBitmap.Width, memoryBitmap.Height), 0, 0, memoryBitmap.Width, memoryBitmap.Height, GraphicsUnit.Pixel, imageAttr);
image.Dispose();
}
}
}
/// <summary>Returns new Region object for given ElementStyle.</summary>
/// <returns>New instance of Region object.</returns>
/// <param name="e">Information to describe ElementStyle.</param>
public static Region GetStyleRegion(ElementStyleDisplayInfo e)
{
Rectangle rectPath = e.Bounds;
if (e.Style.PaintBorder && e.Style.CornerType!=eCornerType.Square)
{
rectPath.Width--;
rectPath.Height--;
}
GraphicsPath path = ElementStyleDisplay.GetBackgroundPath(e.Style, rectPath);
Region r = new Region();
r.MakeEmpty();
r.Union(path);
// Widen path for the border...
if (e.Style.PaintBorder && (e.Style.CornerType == eCornerType.Rounded || e.Style.CornerType == eCornerType.Diagonal ||
e.Style.CornerTypeTopLeft == eCornerType.Rounded || e.Style.CornerTypeTopLeft == eCornerType.Diagonal ||
e.Style.CornerTypeTopRight==eCornerType.Rounded || e.Style.CornerTypeTopRight==eCornerType.Diagonal ||
e.Style.CornerTypeBottomLeft==eCornerType.Rounded || e.Style.CornerTypeBottomLeft==eCornerType.Diagonal ||
e.Style.CornerTypeBottomRight==eCornerType.Rounded || e.Style.CornerTypeBottomRight==eCornerType.Diagonal))
{
using (Pen pen = new Pen(Color.Black, (e.Style.BorderTopWidth>0?e.Style.BorderTopWidth:1)))
{
path.Widen(pen);
}
//Region r2 = new Region(path);
r.Union(path);
}
return r;
//GraphicsPath path=ElementStyleDisplay.GetBackgroundPath(e.Style,e.Bounds,false);
//return new Region(path);
}
internal override PaintEventArgs PaintEventStart(ref Message msg, IntPtr handle, bool client)
{
PaintEventArgs paint_event;
Hwnd hwnd;
Hwnd paint_hwnd;
//
// handle (and paint_hwnd) refers to the window that is should be painted.
// msg.HWnd (and hwnd) refers to the window that got the paint message.
//
hwnd = Hwnd.ObjectFromHandle(msg.HWnd);
if (msg.HWnd == handle) {
paint_hwnd = hwnd;
} else {
paint_hwnd = Hwnd.ObjectFromHandle (handle);
}
if (Caret.Visible == true) {
Caret.Paused = true;
HideCaret();
}
Graphics dc;
if (client) {
dc = Graphics.FromHwnd (paint_hwnd.client_window);
Region clip_region = new Region ();
clip_region.MakeEmpty();
foreach (Rectangle r in hwnd.ClipRectangles) {
/* Expand the region slightly.
* See bug 464464.
*/
Rectangle r2 = Rectangle.FromLTRB (r.Left, r.Top, r.Right, r.Bottom + 1);
clip_region.Union (r2);
}
if (hwnd.UserClip != null) {
clip_region.Intersect(hwnd.UserClip);
}
dc.Clip = clip_region;
paint_event = new PaintEventArgs(dc, hwnd.Invalid);
hwnd.expose_pending = false;
hwnd.ClearInvalidArea();
hwnd.drawing_stack.Push (paint_event);
hwnd.drawing_stack.Push (dc);
return paint_event;
} else {
dc = Graphics.FromHwnd (paint_hwnd.whole_window);
if (!hwnd.nc_invalid.IsEmpty) {
dc.SetClip (hwnd.nc_invalid);
paint_event = new PaintEventArgs(dc, hwnd.nc_invalid);
} else {
paint_event = new PaintEventArgs(dc, new Rectangle(0, 0, hwnd.width, hwnd.height));
}
hwnd.nc_expose_pending = false;
hwnd.ClearNcInvalidArea ();
hwnd.drawing_stack.Push (paint_event);
hwnd.drawing_stack.Push (dc);
return paint_event;
}
}
///////////////////////////////////////////////////////////////////////////////
// Eventhandler //
///////////////////////////////////////////////////////////////////////////////
#region EVENTS
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for UI, Menu, Buttons, Toolbars etc. //
///////////////////////////////////////////////////////////////////////////////
#region WINDOWSEVENTHANDLER
#endregion //WINDOWSEVENTHANDLER
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for Custom Defined Events //
///////////////////////////////////////////////////////////////////////////////
#region CUSTOMEVENTHANDLER
#endregion //CUSTOMEVENTHANDLER
#endregion //EVENTS
///////////////////////////////////////////////////////////////////////////////
// Methods and Eventhandling for Background tasks //
///////////////////////////////////////////////////////////////////////////////
#region BACKGROUNDWORKER
#endregion //BACKGROUNDWORKER
///////////////////////////////////////////////////////////////////////////////
// Inherited methods //
///////////////////////////////////////////////////////////////////////////////
#region OVERRIDES
/// <summary>
/// Overridden <see cref="VGElement.Draw(Graphics)"/>.
/// Draws the ellipse to the given graphics context.
/// </summary>
/// <param name="graphics">Graphics context to draw to</param>
/// <exception cref="ArgumentNullException">Thrown, when graphics object is null.</exception>
public override void Draw(Graphics graphics)
{
if (graphics == null)
{
throw new ArgumentNullException("Graphics object should not be null.");
}
if ((ShapeDrawAction & ShapeDrawAction.Fill) == ShapeDrawAction.Fill)
{
if (this.Brush != null)
{
if (this.inverted)
{
Region drawRegion = new Region();
drawRegion.MakeEmpty();
drawRegion.Union(graphics.Clip);
drawRegion.Exclude(this.region);
graphics.FillRegion(this.Brush, drawRegion);
}
else
{
graphics.FillRegion(this.Brush, this.region);
}
}
}
// Draw name and selection frame if applicable
base.Draw(graphics);
}
