/// <summary>
/// Draw a drop down grid appropriate for a input control.
/// </summary>
/// <param name="context">Render context.</param>
/// <param name="cellRect">Available drawing rectangle space.</param>
/// <param name="paletteContent">Content palette for getting colors.</param>
/// <param name="state">State associated with rendering.</param>
public override void DrawInputControlDropDownGlyph(RenderContext context,
Rectangle cellRect,
IPaletteContent paletteContent,
PaletteState state)
{
Debug.Assert(context != null);
Debug.Assert(paletteContent != null);
// Validate parameter references
if (context == null) throw new ArgumentNullException("context");
if (paletteContent == null) throw new ArgumentNullException("paletteContent");
Color c1 = paletteContent.GetContentShortTextColor1(state);
// Find the top left starting position for drawing lines
int xStart = cellRect.Left + (cellRect.Right - cellRect.Left - 4) / 2;
int yStart = cellRect.Top + (cellRect.Bottom - cellRect.Top - 3) / 2;
using (Pen darkPen = new Pen(c1))
{
context.Graphics.DrawLine(darkPen, xStart, yStart, xStart + 4, yStart);
context.Graphics.DrawLine(darkPen, xStart + 1, yStart + 1, xStart + 3, yStart + 1);
context.Graphics.DrawLine(darkPen, xStart + 2, yStart + 2, xStart + 2, yStart + 1);
}
}
/// <summary>
/// Draw a numeric down button image appropriate for a input control.
/// </summary>
/// <param name="context">Render context.</param>
/// <param name="cellRect">Available drawing rectangle space.</param>
/// <param name="paletteContent">Content palette for getting colors.</param>
/// <param name="state">State associated with rendering.</param>
/// <exception cref="ArgumentNullException"></exception>
public override void DrawInputControlNumericDownGlyph(RenderContext context,
Rectangle cellRect,
IPaletteContent paletteContent,
PaletteState state)
{
Debug.Assert(context != null);
Debug.Assert(paletteContent != null);
// Validate parameter references
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (paletteContent == null)
{
throw new ArgumentNullException(nameof(paletteContent));
}
Color c1 = paletteContent.GetContentShortTextColor1(state);
// Find the top left starting position for drawing lines
int xStart = cellRect.Left + ((cellRect.Right - cellRect.Left - 4) / 2);
int yStart = cellRect.Top + ((cellRect.Bottom - cellRect.Top - 3) / 2);
using (Pen darkPen = new Pen(c1))
{
context.Graphics.DrawLine(darkPen, xStart, yStart, xStart + 4, yStart);
context.Graphics.DrawLine(darkPen, xStart + 1, yStart + 1, xStart + 3, yStart + 1);
context.Graphics.DrawLine(darkPen, xStart + 2, yStart + 2, xStart + 2, yStart + 1);
}
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public virtual Color GetContentShortTextColor1(PaletteState state)
{
if (Apply)
{
Color ret = _primaryContent.GetContentShortTextColor1(Override ? OverrideState : state);
if (ret == Color.Empty)
{
ret = _backupContent.GetContentShortTextColor1(state);
}
return(ret);
}
else
{
return(_backupContent.GetContentShortTextColor1(state));
}
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetContentShortTextColor1(PaletteState state)
{
if (_apply)
{
Color ret = _primary.GetContentShortTextColor1(_override ? _state : state);
if (ret == Color.Empty)
{
ret = _backup.GetContentShortTextColor1(state);
}
return(ret);
}
else
{
return(_backup.GetContentShortTextColor1(state));
}
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetContentShortTextColor1(PaletteState state)
{
if ((TreeNode != null) && (TreeNode.ForeColor != Color.Empty))
{
return(TreeNode.ForeColor);
}
else
{
return(_inherit.GetContentShortTextColor1(state));
}
}
/// <summary>
/// Gets the first color for the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public Color GetContentShortTextColor1(PaletteState state)
{
if (_color1 != Color.Empty)
{
return(_color1);
}
else
{
return(_inherit.GetContentShortTextColor1(state));
}
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetContentShortTextColor1(PaletteState state)
{
switch (state)
{
case PaletteState.Normal:
return(_cellStyle.ForeColor);
case PaletteState.CheckedNormal:
return(_cellStyle.SelectionForeColor);
}
return(_inherit.GetContentShortTextColor1(state));
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="style">Content style.</param>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetContentShortTextColor1(PaletteContentStyle style, PaletteState state)
{
IPaletteContent inherit = GetInherit(state);
if (inherit != null)
{
return(inherit.GetContentShortTextColor1(state));
}
else
{
return(Target.GetContentShortTextColor1(style, state));
}
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="style">Content style.</param>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetContentShortTextColor1(PaletteContentStyle style, PaletteState state)
{
IPaletteContent inherit = GetInherit(state);
return(inherit?.GetContentShortTextColor1(state) ?? Target.GetContentShortTextColor1(style, state));
}
/// <summary>
/// Gets the first back color for the short text.
/// </summary>
/// <param name="state">Palette value should be applicable to this state.</param>
/// <returns>Color value.</returns>
public override Color GetContentShortTextColor1(PaletteState state)
{
return(_inherit.GetContentShortTextColor1(state));
}
/// <summary>
/// Perform draw of content using provided memento.
/// </summary>
/// <param name="context">Render context.</param>
/// <param name="displayRect">Display area available for drawing.</param>
/// <param name="palette">Content palette details.</param>
/// <param name="memento">Cached values from layout call.</param>
/// <param name="orientation">Visual orientation of the content.</param>
/// <param name="state">State associated with rendering.</param>
/// <param name="composition">Drawing onto a composition element.</param>
/// <param name="glowing">If composition should glowing be drawn.</param>
/// <param name="allowFocusRect">Allow drawing of focus rectangle.</param>
public override void DrawContent(RenderContext context,
Rectangle displayRect,
IPaletteContent palette,
IDisposable memento,
VisualOrientation orientation,
PaletteState state,
bool composition,
bool glowing,
bool allowFocusRect)
{
Debug.Assert(context != null);
Debug.Assert(memento != null);
Debug.Assert(memento is StandardContentMemento);
// Validate parameter references
if (context == null) throw new ArgumentNullException("context");
if (palette == null) throw new ArgumentNullException("palette");
Debug.Assert(context.Control != null);
Debug.Assert(!context.Control.IsDisposed);
// Cast the incoming memento to the correct type
StandardContentMemento standard = (StandardContentMemento)memento;
if (standard.DrawImage)
{
DrawImageHelper(context,
standard.Image,
standard.ImageTransparentColor,
standard.ImageRect,
orientation,
palette.GetContentImageEffect(state),
palette.GetContentImageColorMap(state),
palette.GetContentImageColorTo(state));
}
if (standard.DrawShortText)
{
using (GraphicsTextHint hint = new GraphicsTextHint(context.Graphics, standard.ShortTextHint))
{
// Get the rectangle to use when dealing with gradients
Rectangle gradientRect = context.GetAlignedRectangle(palette.GetContentShortTextColorAlign(state), standard.ShortTextRect);
// Use standard helper routine to create appropriate color brush
Color color1 = palette.GetContentShortTextColor1(state);
PaletteColorStyle colorStyle = palette.GetContentShortTextColorStyle(state);
using (Brush colorBrush = CreateColorBrush(gradientRect,
color1,
palette.GetContentShortTextColor2(state),
colorStyle,
palette.GetContentShortTextColorAngle(state),
orientation))
{
if (!AccurateText.DrawString(context.Graphics,
colorBrush,
standard.ShortTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.ShortTextMemento))
{
// Failed to draw means the font is likely to be invalid, get a fresh font
standard.ShortTextMemento.Font = palette.GetContentShortTextNewFont(state);
// Try again using the new font
AccurateText.DrawString(context.Graphics,
colorBrush,
standard.ShortTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.ShortTextMemento);
}
}
Image shortImage = palette.GetContentShortTextImage(state);
PaletteImageStyle shortImageStyle = palette.GetContentShortTextImageStyle(state);
// Do we need to draw the image?
if (ShouldDrawImage(shortImage))
{
// Get the rectangle to use when dealing with gradients
Rectangle imageRect = context.GetAlignedRectangle(palette.GetContentShortTextImageAlign(state), standard.ShortTextRect);
// Use standard helper routine to create appropriate image brush
using (Brush imageBrush = CreateImageBrush(imageRect, shortImage, shortImageStyle))
{
if (!AccurateText.DrawString(context.Graphics,
imageBrush,
standard.ShortTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.ShortTextMemento))
{
// Failed to draw means the font is likely to be invalid, get a fresh font
standard.ShortTextMemento.Font = palette.GetContentShortTextNewFont(state);
AccurateText.DrawString(context.Graphics,
imageBrush,
standard.ShortTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.ShortTextMemento);
}
}
}
}
}
if (standard.DrawLongText)
{
using (GraphicsTextHint hint = new GraphicsTextHint(context.Graphics, standard.LongTextHint))
{
// Get the rectangle to use when dealing with gradients
Rectangle gradientRect = context.GetAlignedRectangle(palette.GetContentLongTextColorAlign(state), standard.LongTextRect);
// Use standard helper routine to create appropriate color brush
Color color1 = palette.GetContentLongTextColor1(state);
PaletteColorStyle colorStyle = palette.GetContentLongTextColorStyle(state);
using (Brush colorBrush = CreateColorBrush(gradientRect,
color1,
palette.GetContentLongTextColor2(state),
colorStyle,
palette.GetContentLongTextColorAngle(state),
orientation))
{
if (!AccurateText.DrawString(context.Graphics,
colorBrush,
standard.LongTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.LongTextMemento))
{
// Failed to draw means the font is likely to be invalid, get a fresh font
standard.LongTextMemento.Font = palette.GetContentLongTextNewFont(state);
AccurateText.DrawString(context.Graphics,
colorBrush,
standard.LongTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.LongTextMemento);
}
}
Image longImage = palette.GetContentLongTextImage(state);
PaletteImageStyle longImageStyle = palette.GetContentLongTextImageStyle(state);
// Do we need to draw the image?
if (ShouldDrawImage(longImage))
{
// Get the rectangle to use when dealing with gradients
Rectangle imageRect = context.GetAlignedRectangle(palette.GetContentLongTextImageAlign(state), standard.LongTextRect);
// Use standard helper routine to create appropriate image brush
using (Brush imageBrush = CreateImageBrush(imageRect, longImage, longImageStyle))
{
if (!AccurateText.DrawString(context.Graphics,
imageBrush,
standard.LongTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.LongTextMemento))
{
// Failed to draw means the font is likely to be invalid, get a fresh font
standard.LongTextMemento.Font = palette.GetContentLongTextNewFont(state);
AccurateText.DrawString(context.Graphics,
imageBrush,
standard.LongTextRect,
context.Control.RightToLeft,
standard.Orientation,
composition,
glowing,
state,
standard.LongTextMemento);
}
}
}
}
}
// Do we need to show this content has the focus?
if (allowFocusRect && (palette.GetContentDrawFocus(state) == InheritBool.True))
{
// Place the rectangle 1 pixel inside the content display area
displayRect.Inflate(-1, -1);
// Use window forms provided helper class for drawing
ControlPaint.DrawFocusRectangle(context.Graphics, displayRect);
}
}
/// <summary>
/// Draw a grid sorting direction glyph.
/// </summary>
/// <param name="context">Render context.</param>
/// <param name="sortOrder">Sorting order of the glyph.</param>
/// <param name="cellRect">Available drawing rectangle space.</param>
/// <param name="paletteContent">Palette to use for sourcing values.</param>
/// <param name="state">State associated with rendering.</param>
/// <param name="rtl">Should be drawn from right to left.</param>
/// <returns>Remainder space left over for other drawing.</returns>
public override Rectangle DrawGridSortGlyph(RenderContext context,
SortOrder sortOrder,
Rectangle cellRect,
IPaletteContent paletteContent,
PaletteState state,
bool rtl)
{
Debug.Assert(context != null);
Debug.Assert(paletteContent != null);
// Get the appropriate each to draw
Image sortImage = _gridSortOrder.Images[(sortOrder == SortOrder.Ascending ? 0 : 1)];
// Is there enough room to draw the image?
if ((sortImage.Width < cellRect.Width) && (sortImage.Height < cellRect.Height))
{
// Find the drawing location of the image
int y = cellRect.Top + (cellRect.Height - sortImage.Height) / 2;
int x = (rtl ? cellRect.X : cellRect.Right - sortImage.Width);
// Grab the foreground color to use for the image
Color imageColor = paletteContent.GetContentShortTextColor1(state);
// Draw the image with remapping the image color to the foreground color
using (ImageAttributes attribs = new ImageAttributes())
{
ColorMap cm = new ColorMap();
cm.OldColor = Color.Black;
cm.NewColor = CommonHelper.MergeColors(imageColor, 0.75f, Color.Transparent, 0.25f);
attribs.SetRemapTable(new ColorMap[] { cm }, ColorAdjustType.Bitmap);
context.Graphics.DrawImage(sortImage,
new Rectangle(x, y, sortImage.Width, sortImage.Height),
0, 0, sortImage.Width, sortImage.Height,
GraphicsUnit.Pixel, attribs);
}
// Reduce the cell rect by that used up
cellRect.Width -= sortImage.Width;
// With rtl we need to move across to the right
if (rtl)
cellRect.X += sortImage.Width;
}
return cellRect;
}
/// <summary>
/// Draw a grid row glyph.
/// </summary>
/// <param name="context">Render context.</param>
/// <param name="rowGlyph">Row glyph.</param>
/// <param name="cellRect">Available drawing rectangle space.</param>
/// <param name="paletteContent">Palette to use for sourcing values.</param>
/// <param name="state">State associated with rendering.</param>
/// <param name="rtl">Should be drawn from right to left.</param>
/// <returns>Remainder space left over for other drawing.</returns>
public override Rectangle DrawGridRowGlyph(RenderContext context,
GridRowGlyph rowGlyph,
Rectangle cellRect,
IPaletteContent paletteContent,
PaletteState state,
bool rtl)
{
Debug.Assert(context != null);
Debug.Assert(paletteContent != null);
// Get the appropriate each to draw
Image rowImage = null;
switch (rowGlyph)
{
case GridRowGlyph.ArrowStar:
rowImage = _gridRowIndicators.Images[rtl ? 4 : 0];
break;
case GridRowGlyph.Star:
rowImage = _gridRowIndicators.Images[rtl ? 5 : 1];
break;
case GridRowGlyph.Pencil:
rowImage = _gridRowIndicators.Images[rtl ? 6 : 2];
break;
case GridRowGlyph.Arrow:
rowImage = _gridRowIndicators.Images[rtl ? 7 : 3];
break;
}
// Is there enough room to draw the image?
if ((rowImage != null) &&
(rowImage.Width < cellRect.Width) &&
(rowImage.Height < cellRect.Height))
{
// Find the drawing location of the image
int y = cellRect.Top + (cellRect.Height - rowImage.Height) / 2;
int x = (rtl ? cellRect.Right - rowImage.Width : cellRect.Left);
// Grab the foreground color to use for the image
Color imageColor = paletteContent.GetContentShortTextColor1(state);
// Draw the image with remapping the image color to the foreground color
using (ImageAttributes attribs = new ImageAttributes())
{
ColorMap cm = new ColorMap();
cm.OldColor = Color.Black;
cm.NewColor = CommonHelper.MergeColors(imageColor, 0.75f, Color.Transparent, 0.25f);
attribs.SetRemapTable(new ColorMap[] { cm }, ColorAdjustType.Bitmap);
context.Graphics.DrawImage(rowImage,
new Rectangle(x, y, rowImage.Width, rowImage.Height),
0, 0, rowImage.Width, rowImage.Height,
GraphicsUnit.Pixel, attribs);
}
// Reduce the cell rect by that used up
cellRect.Width -= rowImage.Width;
// With NOT rtl we need to move across to the right
if (!rtl)
cellRect.X += rowImage.Width;
}
return cellRect;
}
/// <summary> /// Gets the first back color for the short text. /// </summary> /// <param name="state">Palette value should be applicable to this state.</param> /// <returns>Color value.</returns> public override Color GetContentShortTextColor1(PaletteState state) => _inherit.GetContentShortTextColor1(state);
