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public abstract FillRectangle ( |
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| brush | ||
| left | float | |
| top | float | |
| width | float | |
| height | float | |
| return | void | |
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
var enterFont = canvas.CurrentFont;
canvas.CurrentFont = this.CurrentTextSpanStyle.FontInfo;
if (vscrollableSurface != null)
{
vscrollableSurface.DrawToThisPage(canvas, updateArea);
}
//1. bg
if (BackgroundColor.A > 0)
{
//canvas.FillRectangle(BackgroundColor, 0, 0, updateArea.Width, updateArea.Height);
canvas.FillRectangle(BackgroundColor, 0, 0, this.Width, this.Height);
}
//2. sub ground
if (internalTextLayerController.SelectionRange != null)
{
internalTextLayerController.SelectionRange.Draw(canvas, updateArea);
}
//3. each layer
if (vscrollableSurface != null)
{
vscrollableSurface.DrawToThisPage(canvas, updateArea);
}
else
{
this.textLayer.DrawChildContent(canvas, updateArea);
if (this.HasDefaultLayer)
{
this.DrawDefaultLayer(canvas, ref updateArea);
}
}
#if DEBUG
//for debug
canvas.FillRectangle(Color.Red, 0, 0, 5, 5);
#endif
//4. caret
if (this.stateShowCaret)
{
Point textManCaretPos = internalTextLayerController.CaretPos;
this.myCaret.DrawCaret(canvas, textManCaretPos.X, textManCaretPos.Y);
}
else
{
}
canvas.CurrentFont = enterFont;
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
#if DEBUG
if (this.dbugBreak)
{
}
#endif
//sample bg
//canvas.FillRectangle(BackColor, updateArea.Left, updateArea.Top, updateArea.Width, updateArea.Height);
canvas.FillRectangle(BackColor, 0, 0, this.Width, this.Height);
this.DrawDefaultLayer(canvas, ref updateArea);
#if DEBUG
//canvas.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
//canvas.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(updateArea.Left, updateArea.Top, updateArea.Width, updateArea.Height));
#endif
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
canvas.FillRectangle(Color.White, 0, 0, this.Width, this.Height);
this.DrawDefaultLayer(canvas, ref updateArea);
}
public void dbugShowRenderPart(Canvas canvasPage, Rectangle updateArea)
{
RootGraphic visualroot = this.dbugVRoot;
if (visualroot.dbug_ShowRootUpdateArea)
{
canvasPage.FillRectangle(Color.FromArgb(50, Color.Black),
updateArea.Left, updateArea.Top,
updateArea.Width - 1, updateArea.Height - 1);
canvasPage.FillRectangle(Color.White,
updateArea.Left, updateArea.Top, 5, 5);
canvasPage.DrawRectangle(Color.Yellow,
updateArea.Left, updateArea.Top,
updateArea.Width - 1, updateArea.Height - 1);
Color c_color = canvasPage.CurrentTextColor;
canvasPage.CurrentTextColor = Color.White;
canvasPage.DrawText(visualroot.dbug_RootUpdateCounter.ToString().ToCharArray(), updateArea.Left, updateArea.Top);
if (updateArea.Height > 25)
{
canvasPage.DrawText(visualroot.dbug_RootUpdateCounter.ToString().ToCharArray(), updateArea.Left, updateArea.Top + (updateArea.Height - 20));
}
canvasPage.CurrentTextColor = c_color;
visualroot.dbug_RootUpdateCounter++;
}
}
public void Draw(Canvas destPage, Rectangle updateArea)
{
if (IsOnTheSameLine)
{
VisualPointInfo topEndPoint = TopEnd;
VisualPointInfo bottomEndPoint = BottomEnd;
int linetop = topEndPoint.LineTop;
destPage.FillRectangle(Color.LightGray, topEndPoint.X, linetop,
bottomEndPoint.X - topEndPoint.X, topEndPoint.ActualLineHeight);
}
else
{
EditableVisualPointInfo topEndPoint = TopEnd;
int lineYPos = topEndPoint.LineTop;
destPage.FillRectangle(Color.LightGray, topEndPoint.X, lineYPos,
topEndPoint.CurrentWidth - topEndPoint.X,
topEndPoint.ActualLineHeight);
int topLineId = topEndPoint.LineId;
int bottomLineId = BottomEnd.LineId;
if (bottomLineId - topLineId > 1)
{
EditableTextLine adjacentStartLine = topEndPoint.EditableLine.Next;
while (adjacentStartLine != BottomEnd.Line)
{
destPage.FillRectangle(Color.LightGray, 0,
adjacentStartLine.LineTop,
adjacentStartLine.CurrentWidth,
adjacentStartLine.ActualLineHeight);
adjacentStartLine = adjacentStartLine.Next;
}
EditableTextLine adjacentStopLine = BottomEnd.Line.Prev;
}
VisualPointInfo bottomEndPoint = BottomEnd;
lineYPos = bottomEndPoint.LineTop;
destPage.FillRectangle(Color.LightGray, 0, lineYPos, bottomEndPoint.X,
bottomEndPoint.ActualLineHeight);
}
}
internal void DrawCaret(Canvas canvas, int x, int y)
{
canvas.FillRectangle(Color.Black, x, y, this.Width, this.Height);
}
public override void CustomDrawToThisCanvas(Canvas canvas, Rectangle updateArea)
{
int bWidth = this.Width;
int bHeight = this.Height;
canvas.FillRectangle(Color.Yellow, updateArea.Left, updateArea.Top, updateArea.Width, updateArea.Height);
if (!this.HasStyle)
{
canvas.DrawText(this.mybuffer, new Rectangle(0, 0, bWidth, bHeight), 0);
}
else
{
TextSpanStyle style = this.SpanStyle;
switch (EvaluateFontAndTextColor(canvas, style))
{
case DIFF_FONT_SAME_TEXT_COLOR:
{
var prevFont = canvas.CurrentFont;
canvas.CurrentFont = style.FontInfo;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentFont = prevFont;
}
break;
case DIFF_FONT_DIFF_TEXT_COLOR:
{
var prevFont = canvas.CurrentFont;
var prevColor = canvas.CurrentTextColor;
canvas.CurrentFont = style.FontInfo;
canvas.CurrentTextColor = style.FontColor;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentFont = prevFont;
canvas.CurrentTextColor = prevColor;
}
break;
case SAME_FONT_DIFF_TEXT_COLOR:
{
var prevColor = canvas.CurrentTextColor;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentTextColor = prevColor;
}
break;
default:
{
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
}
break;
}
}
}