private Rectangle PaintPrivate(Graphics graphics,
Rectangle clipBounds,
Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates cellState,
object formattedValue,
string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts,
bool computeContentBounds,
bool computeErrorIconBounds,
bool paint)
{
// Parameter checking.
// One bit and one bit only should be turned on
Debug.Assert(paint || computeContentBounds || computeErrorIconBounds);
Debug.Assert(!paint || !computeContentBounds || !computeErrorIconBounds);
Debug.Assert(!computeContentBounds || !computeErrorIconBounds || !paint);
Debug.Assert(!computeErrorIconBounds || !paint || !computeContentBounds);
Debug.Assert(cellStyle is not null);
// If computeContentBounds == TRUE then resultBounds will be the contentBounds.
// If computeErrorIconBounds == TRUE then resultBounds will be the error icon bounds.
// Else resultBounds will be Rectangle.Empty;
Rectangle resultBounds = Rectangle.Empty;
Rectangle valBounds = cellBounds;
Rectangle borderWidths = BorderWidths(advancedBorderStyle);
valBounds.Offset(borderWidths.X, borderWidths.Y);
valBounds.Width -= borderWidths.Right;
valBounds.Height -= borderWidths.Bottom;
bool cellSelected = (cellState & DataGridViewElementStates.Selected) != 0;
if (paint && PaintBackground(paintParts))
{
if (DataGridView.ApplyVisualStylesToHeaderCells)
{
// Theming
int state = (int)HeaderItemState.Normal;
if (ButtonState != ButtonState.Normal)
{
Debug.Assert(ButtonState == ButtonState.Pushed);
state = (int)HeaderItemState.Pressed;
}
else if (DataGridView.MouseEnteredCellAddress.Y == rowIndex && DataGridView.MouseEnteredCellAddress.X == ColumnIndex)
{
state = (int)HeaderItemState.Hot;
}
valBounds.Inflate(16, 16);
DataGridViewTopLeftHeaderCellRenderer.DrawHeader(graphics, valBounds, state);
valBounds.Inflate(-16, -16);
}
else
{
Color brushColor = PaintSelectionBackground(paintParts) && cellSelected
? cellStyle.SelectionBackColor
: cellStyle.BackColor;
if (!brushColor.HasTransparency())
{
using var brush = brushColor.GetCachedSolidBrushScope();
graphics.FillRectangle(brush, valBounds);
}
}
}
if (paint && PaintBorder(paintParts))
{
PaintBorder(graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
if (cellStyle.Padding != Padding.Empty)
{
if (DataGridView.RightToLeftInternal)
{
valBounds.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
valBounds.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
valBounds.Width -= cellStyle.Padding.Horizontal;
valBounds.Height -= cellStyle.Padding.Vertical;
}
Rectangle errorBounds = valBounds;
string formattedValueStr = formattedValue as string;
// Font independent margins
valBounds.Offset(DATAGRIDVIEWTOPLEFTHEADERCELL_horizontalTextMarginLeft, DATAGRIDVIEWTOPLEFTHEADERCELL_verticalTextMargin);
valBounds.Width -= DATAGRIDVIEWTOPLEFTHEADERCELL_horizontalTextMarginLeft + DATAGRIDVIEWTOPLEFTHEADERCELL_horizontalTextMarginRight;
valBounds.Height -= 2 * DATAGRIDVIEWTOPLEFTHEADERCELL_verticalTextMargin;
if (valBounds.Width > 0 &&
valBounds.Height > 0 &&
!string.IsNullOrEmpty(formattedValueStr) &&
(paint || computeContentBounds))
{
Color textColor;
if (DataGridView.ApplyVisualStylesToHeaderCells)
{
textColor = DataGridViewTopLeftHeaderCellRenderer.VisualStyleRenderer.GetColor(ColorProperty.TextColor);
}
else
{
textColor = cellSelected ? cellStyle.SelectionForeColor : cellStyle.ForeColor;
}
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(DataGridView.RightToLeftInternal, cellStyle.Alignment, cellStyle.WrapMode);
if (paint)
{
if (PaintContentForeground(paintParts))
{
if ((flags & TextFormatFlags.SingleLine) != 0)
{
flags |= TextFormatFlags.EndEllipsis;
}
TextRenderer.DrawText(graphics,
formattedValueStr,
cellStyle.Font,
valBounds,
textColor,
flags);
}
}
else
{
Debug.Assert(computeContentBounds);
resultBounds = DataGridViewUtilities.GetTextBounds(valBounds, formattedValueStr, flags, cellStyle);
}
}
else if (computeErrorIconBounds && !string.IsNullOrEmpty(errorText))
{
resultBounds = ComputeErrorIconBounds(errorBounds);
}
if (DataGridView.ShowCellErrors && paint && PaintErrorIcon(paintParts))
{
PaintErrorIcon(graphics, cellStyle, rowIndex, cellBounds, errorBounds, errorText);
}
return(resultBounds);
}
private Rectangle PaintPrivate(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts, bool computeContentBounds, bool computeErrorIconBounds, bool paint)
{
Rectangle empty = Rectangle.Empty;
Rectangle bounds = cellBounds;
Rectangle rectangle3 = this.BorderWidths(advancedBorderStyle);
bounds.Offset(rectangle3.X, rectangle3.Y);
bounds.Width -= rectangle3.Right;
bounds.Height -= rectangle3.Bottom;
bool flag = (cellState & DataGridViewElementStates.Selected) != DataGridViewElementStates.None;
if (paint && DataGridViewCell.PaintBackground(paintParts))
{
if (base.DataGridView.ApplyVisualStylesToHeaderCells)
{
int headerState = 1;
if (base.ButtonState != ButtonState.Normal)
{
headerState = 3;
}
else if ((base.DataGridView.MouseEnteredCellAddress.Y == rowIndex) && (base.DataGridView.MouseEnteredCellAddress.X == base.ColumnIndex))
{
headerState = 2;
}
bounds.Inflate(0x10, 0x10);
DataGridViewTopLeftHeaderCellRenderer.DrawHeader(graphics, bounds, headerState);
bounds.Inflate(-16, -16);
}
else
{
SolidBrush cachedBrush = base.DataGridView.GetCachedBrush((DataGridViewCell.PaintSelectionBackground(paintParts) && flag) ? cellStyle.SelectionBackColor : cellStyle.BackColor);
if (cachedBrush.Color.A == 0xff)
{
graphics.FillRectangle(cachedBrush, bounds);
}
}
}
if (paint && DataGridViewCell.PaintBorder(paintParts))
{
this.PaintBorder(graphics, clipBounds, cellBounds, cellStyle, advancedBorderStyle);
}
if (cellStyle.Padding != Padding.Empty)
{
if (base.DataGridView.RightToLeftInternal)
{
bounds.Offset(cellStyle.Padding.Right, cellStyle.Padding.Top);
}
else
{
bounds.Offset(cellStyle.Padding.Left, cellStyle.Padding.Top);
}
bounds.Width -= cellStyle.Padding.Horizontal;
bounds.Height -= cellStyle.Padding.Vertical;
}
Rectangle cellValueBounds = bounds;
string str = formattedValue as string;
bounds.Offset(1, 1);
bounds.Width -= 3;
bounds.Height -= 2;
if ((((bounds.Width > 0) && (bounds.Height > 0)) && !string.IsNullOrEmpty(str)) && (paint || computeContentBounds))
{
Color color;
if (base.DataGridView.ApplyVisualStylesToHeaderCells)
{
color = DataGridViewTopLeftHeaderCellRenderer.VisualStyleRenderer.GetColor(ColorProperty.TextColor);
}
else
{
color = flag ? cellStyle.SelectionForeColor : cellStyle.ForeColor;
}
TextFormatFlags flags = DataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(base.DataGridView.RightToLeftInternal, cellStyle.Alignment, cellStyle.WrapMode);
if (paint)
{
if (DataGridViewCell.PaintContentForeground(paintParts))
{
if ((flags & TextFormatFlags.SingleLine) != TextFormatFlags.Default)
{
flags |= TextFormatFlags.EndEllipsis;
}
TextRenderer.DrawText(graphics, str, cellStyle.Font, bounds, color, flags);
}
}
else
{
empty = DataGridViewUtilities.GetTextBounds(bounds, str, flags, cellStyle);
}
}
else if (computeErrorIconBounds && !string.IsNullOrEmpty(errorText))
{
empty = base.ComputeErrorIconBounds(cellValueBounds);
}
if ((base.DataGridView.ShowCellErrors && paint) && DataGridViewCell.PaintErrorIcon(paintParts))
{
base.PaintErrorIcon(graphics, cellStyle, rowIndex, cellBounds, cellValueBounds, errorText);
}
return(empty);
}
