public void PaintContent(Graphics aGraphics, HeapCellMetaData aMetaData, HeapCell aCell, uint aAddress, Point aPosition, Size aBoxSize, Size aPaddingSize)
{
// Get the cell colour that is associated with the cell symbol object type
aMetaData.CellBoxColor = ColourForHeapCell(aCell);
// Draw actual cell
SymRect boxRect = new SymRect(aPosition, aBoxSize);
boxRect.HalfOffset(aPaddingSize);
using (SolidBrush brush = new SolidBrush(aMetaData.CellBoxColor))
{
aGraphics.FillRectangle(brush, boxRect.Rectangle);
}
// If first box, we show the number of inwards links to the cell
HeapCell.TRegion region = aMetaData.Region;
if (region == HeapCell.TRegion.EHeader && aMetaData.CellBoxIndex == 0)
{
boxRect.Inflate(KShrinkSize, KShrinkSize);
// Draw the fill
Color lightenColor = ColourUtils.LightenMore(aMetaData.CellBoxColor);
using (SolidBrush brush = new SolidBrush(lightenColor))
{
aGraphics.FillRectangle(brush, boxRect.Rectangle);
}
lightenColor = ColourUtils.Lighten(lightenColor);
using (Pen borderPen = new Pen(lightenColor, KHeaderBoxWidth))
{
aGraphics.DrawRectangle(borderPen, boxRect.Rectangle);
}
// Draw the count
int count = aCell.RelationshipManager.ReferencedBy.Count;
if (count == 0)
{
PaintBoxedText(count.ToString(), aGraphics, Color.Red, boxRect);
}
else
{
PaintBoxedTextWithLuminanceHandling(count.ToString(), aGraphics, Color.Black, boxRect);
}
}
}
public static Color RampedColourByBoxNumber(Color aBaseline, int aBoxCount, uint aCellBaseAddress, uint aAddress)
{
float cellAddressOffset = (float)((aAddress - aCellBaseAddress) / 4);
Color dark = ColourUtils.Darken(aBaseline, 0.30f);
Color light = ColourUtils.Lighten(aBaseline, 0.30f);
// This is the baseline brightness for the colour
float brightnessBaseline = light.GetBrightness() - dark.GetBrightness();
// This is how much brightness we can apply to each box.
float brightnessPerBox = (brightnessBaseline / aBoxCount);
// This is the brightness of the target box
float brightnessPercentage = brightnessPerBox * cellAddressOffset;
Color ret = ColourUtils.Lighten(aBaseline, brightnessPercentage);
return(ret);
}
public void PaintContent(Graphics aGraphics, HeapCellMetaData aMetaData, HeapCell aCell, uint aAddress, Point aPosition, Size aBoxSize, Size aPaddingSize)
{
// Get the cell colour that is associated with the cell symbol object type
aMetaData.CellBoxColor = ColourForHeapCell(aCell);
SymRect boxRect = new SymRect(aPosition, aBoxSize);
boxRect.HalfOffset(aPaddingSize);
// Draw actual cell
using (SolidBrush brush = new SolidBrush(aMetaData.CellBoxColor))
{
aGraphics.FillRectangle(brush, boxRect.Rectangle);
}
HeapCell.TRegion region = aMetaData.Region;
if (region == HeapCell.TRegion.EHeader && aMetaData.CellBoxIndex == 0)
{
// If first box, we show the number of inwards links to the cell
boxRect.Inflate(KShrinkSize, KShrinkSize);
// Draw the fill
Color lightenColor = ColourUtils.Lighten(aMetaData.CellBoxColor);
using (SolidBrush brush = new SolidBrush(lightenColor))
{
aGraphics.FillRectangle(brush, boxRect.Rectangle);
}
lightenColor = ColourUtils.Lighten(lightenColor);
using (Pen borderPen = new Pen(lightenColor, KHeaderBoxWidth))
{
aGraphics.DrawRectangle(borderPen, boxRect.Rectangle);
}
// Draw the count
PaintBoxedTextWithLuminanceHandling(aCell.RelationshipManager.EmbeddedReferencesTo.Count.ToString(), aGraphics, Color.Black, boxRect);
}
else
{
// If we're in the payload section, then get the raw item corresponding to the address we are drawing
RawItem rawItem = aMetaData.RawItem;
if (rawItem != null && rawItem.Tag != null && rawItem.Tag is HeapLib.Relationships.RelationshipInfo)
{
RelationshipInfo relInfo = (RelationshipInfo)rawItem.Tag;
// Make the box a bit smaller
boxRect.Inflate(KShrinkSize, KShrinkSize);
// Draw the fill
Color lightenColor = ColourUtils.Lighten(aMetaData.CellBoxColor);
using (SolidBrush brush = new SolidBrush(lightenColor))
{
aGraphics.FillRectangle(brush, boxRect.Rectangle);
}
lightenColor = ColourUtils.Lighten(lightenColor);
using (Pen borderPen = new Pen(lightenColor, KHeaderBoxWidth))
{
aGraphics.DrawRectangle(borderPen, boxRect.Rectangle);
// If it's a clean reference, then draw a diagonal line to decorate the box reference
if (relInfo.IsCleanLink)
{
Point linePosStart = boxRect.TopLeft;
linePosStart.X += KHeaderBoxLineCornerOffset;
Point linePosEnd = boxRect.TopLeft;
linePosEnd.Y += KHeaderBoxLineCornerOffset;
//
aGraphics.DrawLine(borderPen, linePosStart, linePosEnd);
}
}
}
}
}
public void PaintContentBorder(Graphics aGraphics, HeapCellMetaData aMetaData, HeapCell aCell, uint aAddress, Point aPosition, Size aBoxSize, Size aPaddingSize)
{
SymRect rect = new SymRect(aPosition, aBoxSize + aPaddingSize);
// Right and bottom get darker borders
Color rightAndBottomColour = ColourUtils.Darken(aMetaData.CellBoxColor, 0.15f);
using (Pen rightAndBottomPen = new Pen(rightAndBottomColour))
{
if (aMetaData.Borders[THeapCellBorderType.ERight]) // Draw right-hand outline
{
Point start = rect.TopRight;
Point end = rect.BottomRight;
start.Offset(-1, 0);
end.Offset(-1, 0);
//
aGraphics.DrawLine(rightAndBottomPen, start, end);
}
if (aMetaData.Borders[THeapCellBorderType.EBottom]) // Draw bottom-side outline
{
Point start = rect.BottomLeft;
Point end = rect.BottomRight;
start.Offset(0, -1);
end.Offset(0, -1);
//
aGraphics.DrawLine(rightAndBottomPen, start, end);
}
}
// Left and Top get lighter borders
Color leftAndTopColour = ColourUtils.Lighten(aMetaData.CellBoxColor, 0.15f);
using (Pen leftAndTopPen = new Pen(leftAndTopColour))
{
if (aMetaData.Borders[THeapCellBorderType.ELeft]) // Draw left-hand outline
{
Point start = rect.TopLeft;
Point end = rect.BottomLeft;
start.Offset(1, 0);
end.Offset(1, 0);
//
aGraphics.DrawLine(leftAndTopPen, start, end);
}
if (aMetaData.Borders[THeapCellBorderType.ETop]) // Draw top-side outline
{
Point start = rect.TopLeft;
Point end = rect.TopRight;
start.Offset(0, 1);
end.Offset(0, 1);
//
aGraphics.DrawLine(leftAndTopPen, start, end);
}
}
// Now draw black border which will cover any over-spill from above.
if (aMetaData.Borders[THeapCellBorderType.ELeft]) // Draw left-hand outline
{
aGraphics.DrawLine(Pens.Black, rect.TopLeft, rect.BottomLeft);
}
if (aMetaData.Borders[THeapCellBorderType.ERight]) // Draw right-hand outline
{
aGraphics.DrawLine(Pens.Black, rect.TopRight, rect.BottomRight);
}
if (aMetaData.Borders[THeapCellBorderType.ETop]) // Draw top-side outline
{
aGraphics.DrawLine(Pens.Black, rect.TopLeft, rect.TopRight);
}
if (aMetaData.Borders[THeapCellBorderType.EBottom]) // Draw bottom-side outline
{
aGraphics.DrawLine(Pens.Black, rect.BottomLeft, rect.BottomRight);
}
}