protected override void OnDraw(Context ctx, Rectangle dirtyRect)
{
// Line arround
ctx.SetColor(Colors.DarkGray);
// Drive line arround
ctx.Rectangle(Bounds);
ctx.Fill();
ctx.SetColor(Colors.Gray);
ctx.Rectangle(Bounds.Inflate(-margin, -margin));
ctx.Fill();
// Draw image
ctx.DrawImage(Image.FromResource(Logo), 5.0, 5.0);
// Draw text
ctx.SetColor(Colors.White);
TextLayout _layout = new TextLayout();
_layout.Font = Font.WithSize(22);
_layout.Text = Label;
_layout.SetFontWeight(FontWeight.Bold, 0, Label.Length);
// Cocoa layouts
ctx.DrawTextLayout(_layout, 45, ((Config.Cocoa || Config.Gtk) ? 5 : 2));
}
public void PatternsAndImages (Context ctx, double x, double y)
{
ctx.Save ();
ctx.Translate (x, y);
ctx.SetColor (Colors.Black);
// Dashed lines
ctx.SetLineWidth (2);
ctx.SetLineDash (15, 10, 10, 5, 5);
ctx.Rectangle (10, 10, 100, 100);
ctx.Stroke ();
ctx.SetLineDash (0);
// Image
var arcColor = new Color (1, 0, 1);
ImageBuilder ib = new ImageBuilder (30, 30);
ib.Context.Arc (15, 15, 15, 0, 360);
ib.Context.SetColor (arcColor);
ib.Context.Fill ();
ib.Context.SetColor (Colors.DarkKhaki);
ib.Context.Rectangle (0, 0, 5, 5);
ib.Context.Fill ();
var img = ib.ToVectorImage ();
ctx.DrawImage (img, 0, 0);
ctx.DrawImage (img, 0, 50, 50, 10);
ctx.Arc (100, 100, 15, 0, 360);
arcColor.Alpha = 0.4;
ctx.SetColor (arcColor);
ctx.Fill ();
// ImagePattern
ctx.Save ();
ctx.Translate (x + 130, y);
ctx.Pattern = new ImagePattern (img);
ctx.Rectangle (0, 0, 100, 100);
ctx.Fill ();
ctx.Restore ();
ctx.Restore ();
// Setting pixels
ctx.SetLineWidth (1);
for (int i=0; i<50;i++) {
for (var j=0; j<50;j++) {
Color c = Color.FromHsl (0.5, (double)i / 50d, (double)j / 50d);
ctx.Rectangle (i, j, 1, 1);
ctx.SetColor (c);
ctx.Fill ();
}
}
}
protected override void OnDraw(Context ctx, Rectangle dirtyRect)
{
ctx.SetColor(new Color(0.5, 0.5, 0.5));
ctx.Rectangle(Bounds);
ctx.Fill();
ctx.SetColor(new Color(0.8, 0.8, 0.8));
ctx.Rectangle(Bounds.Inflate(-margin, -margin));
ctx.Fill();
ctx.SetColor(highlight ? Color.BlendWith(Xwt.Drawing.Colors.White, 0.5) : Color);
ctx.Rectangle(Bounds.Width / 2 - coreSize.Width / 2, Bounds.Height / 2 - coreSize.Height / 2, coreSize.Width, coreSize.Height);
ctx.Fill();
}
protected override void OnDraw(Xwt.Drawing.Context cr, Rectangle bound)
{
{
cr.Rectangle(bound.X, bound.Y, bound.Width, bound.Height);
cr.SetSourceColor(editor.ColorStyle.PlainText.Background);
cr.Fill();
using (var layout = PangoUtil.CreateLayout(editor))
{
layout.Font = editor.Options.Font;
layout.Text = "000,00-00";
var mins = layout.GetSize();
var line = editor.GetLine(editor.Caret.Line);
var visColumn = line.GetVisualColumn(editor.GetTextEditorData(), editor.Caret.Column);
if (visColumn != editor.Caret.Column)
{
layout.Text = editor.Caret.Line + "," + editor.Caret.Column + "-" + visColumn;
}
else
{
layout.Text = editor.Caret.Line + "," + editor.Caret.Column;
}
var statuss = layout.GetSize();
statuss.Width = System.Math.Max(statuss.Width, mins.Width);
statuss.Width += 8;
cr.MoveTo(Size.Width - statuss.Width, 0);
statuss.Width += 8;
cr.SetSourceColor(editor.ColorStyle.PlainText.Foreground);
cr.ShowLayout(layout);
layout.Text = statusText ?? "";
var size = layout.GetSize();
var x = System.Math.Min(0, -size.Width + Size.Width - editor.TextViewMargin.CharWidth - statuss.Width);
cr.MoveTo(x, 0);
cr.SetSourceColor(editor.ColorStyle.PlainText.Foreground);
cr.ShowLayout(layout);
if (ShowCaret)
{
if (editor.TextViewMargin.caretBlink)
{
cr.Rectangle(size.Width + x, 0, (int)editor.TextViewMargin.CharWidth, (int)editor.LineHeight);
cr.Fill();
}
}
}
}
}
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect)
{
if (Bounds.IsEmpty)
{
return;
}
ctx.Rectangle(0, 0, Bounds.Width, Bounds.Height);
Gradient g = null;
if (Linear)
{
g = new LinearGradient(0, 0, Bounds.Width, Bounds.Height);
}
else
{
g = new RadialGradient(Bounds.Width / 2, Bounds.Height / 2, Bounds.Width / 2, Bounds.Width / 2, Bounds.Height / 2, Bounds.Width / 4);
}
g.AddColorStop(0, new Color(1, 0, 0));
g.AddColorStop(1, new Color(0, 1, 0));
ctx.Pattern = g;
ctx.Fill();
Rectangle r = rect.Inflate(5, 5);
ctx.Rectangle(r);
ctx.SetColor(new Color(0, 0, 1));
ctx.SetLineWidth(1);
ctx.Stroke();
}
protected internal override void DrawBackground(Context cr, Xwt.Rectangle area, DocumentLine line, int lineNumber, double x, double y, double height)
{
cr.Save();
cr.SetColor(Colors.LightGray);
cr.Rectangle(x, y, Width, height + 1);
cr.Fill();
cr.Restore();
}
void DrawGutterBackground(Xwt.Drawing.Context cr, int line, double x, double y, double lineHeight)
{
if (editor.Caret.Line == line)
{
editor.TextViewMargin.DrawCaretLineMarker(cr, x, y, Width, lineHeight);
return;
}
cr.Rectangle(x, y, Width, lineHeight);
cr.SetSourceColor(lineNumberBgGC);
cr.Fill();
}
public override bool DrawBackground(TextEditor editor, Xwt.Drawing.Context cr, double y, LineMetrics metrics)
{
if (metrics.SelectionStart > 0)
{
return(true);
}
cr.SetSourceColor(color);
cr.Rectangle(metrics.TextRenderStartPosition, y, metrics.TextRenderEndPosition - metrics.TextRenderStartPosition, editor.LineHeight);
cr.Fill();
return(true);
}
public override bool DrawBackground(TextEditor editor, Xwt.Drawing.Context cr, MarginDrawMetrics metrics)
{
var width = metrics.Width;
cr.Rectangle(metrics.X, metrics.Y, metrics.Width, metrics.Height);
var lineNumberGC = editor.ColorStyle.LineNumbers.Foreground;
cr.SetSourceColor(editor.Caret.Line == metrics.LineNumber ? editor.ColorStyle.LineMarker.Color : lineNumberGC);
cr.Fill();
return(true);
}
protected override void OnDraw(Context ctx, Rectangle dirtyRect)
{
base.OnDraw(ctx, dirtyRect);
ctx.Save();
ctx.SetColor(editor.Options.Background);
ctx.Rectangle(dirtyRect);
ctx.Fill();
ctx.Restore();
UpdateMarginXOffsets();
RenderMargins(ctx, dirtyRect);
}
protected void InitBlank (int width = 50, int height = 50)
{
if (builder != null)
builder.Dispose ();
builder = new ImageBuilder (width, height);
context = builder.Context;
context.Rectangle (0, 0, width, height);
context.SetColor (Colors.White);
context.Fill ();
context.SetColor (Colors.Black);
context.SetLineWidth (1);
}
protected void TestDrawing2(Xwt.Drawing.Context ctx, double x, double y)
{
ctx.Save();
ctx.Translate(x, y);
var arcColor = new Color(1, 0, 1);
ctx.Arc(100, 100, 15, 0, 360);
ctx.ClosePath();
arcColor.Alpha = 0.4;
ctx.SetColor(arcColor);
ctx.StrokePreserve();
ctx.Fill();
ctx.Restore();
}
protected override void OnDraw (Context ctx, Rectangle dirtyRect)
{
base.OnDraw (ctx, dirtyRect);
ctx.Rectangle (0, 0, Size.Width, Size.Height);
ctx.SetColor (Colors.LightGray);
ctx.Fill ();
ctx.SetColor (Colors.Black);
using (var layout = new TextLayout (this))
{
layout.Text = text;
ctx.DrawTextLayout (layout, new Point (0, 20));
}
}
internal protected override void Draw (Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle (x, y, Width, Editor.LineHeight);
ctx.SetColor (Style.HexOffsetBg);
ctx.Fill ();
if (line >= 0 && line * Editor.BytesInRow < Data.Length) {
LayoutWrapper layout = GetLayout (line);
var sz = layout.Layout.GetSize ();
ctx.SetColor (line != Caret.Line ? Style.HexOffset : Style.HexOffsetHighlighted);
ctx.DrawTextLayout (layout.Layout, x + Width - sz.Width - 4, y);
if (layout.IsUncached)
layout.Dispose ();
}
}
protected override void OnDraw(Xwt.Drawing.Context ctx, Rectangle dirtyRect)
{
ctx.Rectangle(0, 0, Bounds.Width, Bounds.Height);
var g = new LinearGradient(0, 0, Bounds.Width, Bounds.Height);
g.AddColorStop(0, new Color(1, 0, 0));
g.AddColorStop(1, new Color(0, 1, 0));
ctx.Pattern = g;
ctx.Fill();
Rectangle r = rect.Inflate(5, 5);
ctx.Rectangle(r);
ctx.SetColor(new Color(0, 0, 1));
ctx.SetLineWidth(1);
ctx.Stroke();
}
internal protected override void Draw (Context win, Rectangle area, long line, double x, double y)
{
win.Rectangle (x, y, Width, Editor.LineHeight);
win.SetColor (Style.IconBarBg);
win.Fill ();
win.MoveTo (x + Width - 1, y);
win.LineTo (x + Width - 1, y + Editor.LineHeight);
win.SetColor (Style.IconBarSeperator);
win.Stroke ();
foreach (long bookmark in Data.Bookmarks) {
if (line * Editor.BytesInRow <= bookmark && bookmark < line * Editor.BytesInRow + Editor.BytesInRow) {
DrawBookmark (win, x, y);
return;
}
}
}
internal protected override void Draw(Xwt.Drawing.Context ctx, Rectangle area, DocumentLine lineSegment, int line, double x, double y, double lineHeight)
{
bool backgroundIsDrawn = false;
if (lineSegment != null)
{
foreach (var marker in lineSegment.Markers)
{
var marginMarker = marker as MarginMarker;
if (marginMarker != null && marginMarker.CanDrawBackground(this))
{
backgroundIsDrawn = marginMarker.DrawBackground(editor, ctx, new MarginDrawMetrics(this, area, lineSegment, line, x, y, lineHeight));
}
}
}
if (!backgroundIsDrawn)
{
ctx.Rectangle(x, y, Width, lineHeight);
ctx.SetSourceColor(backgroundColor);
ctx.Fill();
ctx.MoveTo(x + Width - 0.5, y);
ctx.LineTo(x + Width - 0.5, y + lineHeight);
ctx.SetSourceColor(separatorColor);
ctx.Stroke();
}
if (lineSegment != null && line <= editor.Document.LineCount)
{
foreach (var marker in lineSegment.Markers)
{
var marginMarker = marker as MarginMarker;
if (marginMarker != null && marginMarker.CanDrawForeground(this))
{
marginMarker.DrawForeground(editor, ctx, new MarginDrawMetrics(this, area, lineSegment, line, x, y, lineHeight));
}
}
if (DrawEvent != null)
{
DrawEvent(this, new BookmarkMarginDrawEventArgs(editor, ctx, lineSegment, line, x, y));
}
}
}
protected override void OnDraw(Context ctx, Rectangle dirtyRect)
{
base.OnDraw(ctx, dirtyRect);
ctx.SetColor(Colors.Gray);
ctx.SetLineWidth(1);
ctx.RoundRectangle(0, Padding.Top / 2 - .5, Width - 4.5, Height - Padding.Bottom * 1.5, 3);
ctx.Stroke();
var tl = new TextLayout(this) { Text = title, Width = Width - Padding.Left - Padding.Right / 2 };
ctx.SetColor(Colors.White);
ctx.Rectangle(Padding.Left, 0, tl.GetSize().Width, Padding.Top);
ctx.Fill();
ctx.SetColor(Colors.Black);
ctx.DrawTextLayout(tl, Padding.Left, 0);
}
public virtual void Curves1(Context ctx, double x, double y)
{
ctx.Save ();
ctx.Translate (x, y);
ctx.SetLineWidth (1);
Action curve1 = () => {
ctx.MoveTo (0, 30);
ctx.CurveTo (20, 0, 50, 0, 60, 25);
};
// curve2 with lineTo; curve1 is closed
Action curve2 = () => {
ctx.LineTo (0, 0);
ctx.CurveTo (20, 30, 50, 30, 60, 5);
};
Action paint = () => {
curve1 ();
curve2 ();
ctx.ClosePath ();
ctx.SetColor (new Color (0, 0, 0, .5));
ctx.StrokePreserve ();
ctx.SetColor (new Color (1, 0, 1, .5));
ctx.Fill ();
};
paint ();
ctx.Translate (0, 40);
// curve2 with moveTo; curve1 is open
curve2 = () => {
ctx.MoveTo (0, 0);
ctx.CurveTo (20, 30, 50, 30, 60, 5);
};
paint ();
ctx.Restore ();
//Todo: same stuff with arc
}
protected override sealed void OnDraw(Context ctx, Rectangle bounds)
{
var frame = GetFrame (ctx.ScaleFactor);
var fixedWidth = frame.Bitmap.Width - 2 - frame.StretchableWidth;
var fixedHeight = frame.Bitmap.Height - 2 - frame.StretchableHeight;
double totalVariableWidth = bounds.Width - fixedWidth / frame.ScaleFactor;
double totalVariableHeight = bounds.Height - fixedHeight / frame.ScaleFactor;
double remainingVariableHeight = totalVariableHeight;
double y = bounds.Y, yb = 1;
int tileIndex = 0;
ctx.Save ();
if (totalVariableWidth < 0) {
if (fixedWidth > 0)
ctx.Scale (bounds.Width / fixedWidth, 1);
totalVariableWidth = 0;
}
if (totalVariableHeight < 0) {
if (fixedHeight > 0)
ctx.Scale (1, bounds.Height / fixedHeight);
totalVariableHeight = 0;
}
foreach (var vs in frame.VerticalSections) {
double sh = CalcSectionSize (frame, vs, totalVariableHeight, frame.StretchableHeight, ref remainingVariableHeight);
double x = bounds.X, xb = 1;
double remainingVariableWidth = totalVariableWidth;
foreach (var hs in frame.HorizontalSections) {
var sourceRegion = new Rectangle (xb, yb, hs.Size, vs.Size);
double sw = CalcSectionSize (frame, hs, totalVariableWidth, frame.StretchableWidth, ref remainingVariableWidth);
var targetRegion = new Rectangle (x, y, sw, sh);
if (vs.Mode != RenderMode.Tile && hs.Mode != RenderMode.Tile) {
var t = GetTile (frame, tileIndex, sourceRegion);
ctx.DrawImage (t, targetRegion);
} else {
double pw = hs.Size / frame.ScaleFactor;
double ph = vs.Size / frame.ScaleFactor;
if (hs.Mode == RenderMode.Stretch) {
pw = targetRegion.Width;
}
if (vs.Mode == RenderMode.Stretch) {
ph = targetRegion.Height;
}
ctx.Save ();
ctx.Translate (targetRegion.Location);
targetRegion.Location = Point.Zero;
ctx.Pattern = new ImagePattern (GetTile (frame, tileIndex, sourceRegion).WithSize (pw, ph));
ctx.NewPath ();
ctx.Rectangle (targetRegion);
ctx.Fill ();
ctx.Restore ();
}
x += sw;
xb += hs.Size;
tileIndex++;
}
yb += vs.Size;
y += sh;
}
ctx.Restore ();
}
/// <summary>
/// Draw The legend
/// </summary>
/// <param name="ctx">The Drawing Context with on which to draw</param>
/// <param name="position">The position of the top left of the axis.</param>
/// <param name="plots">Array of plot objects to appear in the legend.</param>
/// <param name="scale">if the legend is set to scale, the amount to scale by.</param>
/// <returns>bounding box</returns>
public Rectangle Draw(Context ctx, Point position, ArrayList plots, double scale )
{
// first of all determine the Font to use in the legend.
Font textFont;
if (AutoScaleText) {
textFont = font_.WithScaledSize (scale);
}
else {
textFont = font_;
}
ctx.Save ();
// determine max width and max height of label strings and
// count the labels.
int labelCount = 0;
int unnamedCount = 0;
double maxHt = 0;
double maxWd = 0;
TextLayout layout = new TextLayout ();
layout.Font = textFont;
for (int i=0; i<plots.Count; ++i) {
if (!(plots[i] is IPlot)) {
continue;
}
IPlot p = (IPlot)plots[i];
if (!p.ShowInLegend) {
continue;
}
string label = p.Label;
if (label == "") {
unnamedCount += 1;
label = "Series " + unnamedCount.ToString();
}
layout.Text = label;
Size labelSize = layout.GetSize ();
if (labelSize.Height > maxHt) {
maxHt = labelSize.Height;
}
if (labelSize.Width > maxWd) {
maxWd = labelSize.Width;
}
++labelCount;
}
bool extendingHorizontally = numberItemsHorizontally_ == -1;
bool extendingVertically = numberItemsVertically_ == -1;
// determine width in legend items count units.
int widthInItemCount = 0;
if (extendingVertically) {
if (labelCount >= numberItemsHorizontally_) {
widthInItemCount = numberItemsHorizontally_;
}
else {
widthInItemCount = labelCount;
}
}
else if (extendingHorizontally) {
widthInItemCount = labelCount / numberItemsVertically_;
if (labelCount % numberItemsVertically_ != 0)
widthInItemCount += 1;
}
else {
throw new NPlotException( "logic error in legend base" );
}
// determine height of legend in items count units.
int heightInItemCount = 0;
if (extendingHorizontally) {
if (labelCount >= numberItemsVertically_) {
heightInItemCount = numberItemsVertically_;
}
else {
heightInItemCount = labelCount;
}
}
else { // extendingVertically
heightInItemCount = labelCount / numberItemsHorizontally_;
if (labelCount % numberItemsHorizontally_ != 0)
heightInItemCount += 1;
}
double lineLength = 20;
double hSpacing = (int)(5.0f * scale);
double vSpacing = (int)(3.0f * scale);
double boxWidth = (int) ((float)widthInItemCount * (lineLength + maxWd + hSpacing * 2.0f ) + hSpacing);
double boxHeight = (int)((float)heightInItemCount * (maxHt + vSpacing) + vSpacing);
double totalWidth = boxWidth;
double totalHeight = boxHeight;
// draw box around the legend.
if (BorderStyle == BorderType.Line) {
ctx.SetColor (bgColor_);
ctx.Rectangle (position.X, position.Y, boxWidth, boxHeight);
ctx.FillPreserve ();
ctx.SetColor (borderColor_);
ctx.Stroke ();
}
else if (BorderStyle == BorderType.Shadow) {
double offset = (4.0 * scale);
Color shade = Colors.Gray;
shade.Alpha = 0.5;
ctx.SetColor (Colors.Gray);
ctx.Rectangle (position.X+offset, position.Y+offset, boxWidth, boxHeight);
ctx.Fill ();
ctx.SetColor (bgColor_);
ctx.Rectangle (position.X, position.Y, boxWidth, boxHeight);
ctx.FillPreserve ();
ctx.SetColor (borderColor_);
ctx.Stroke ();
totalWidth += offset;
totalHeight += offset;
}
/*
else if ( this.BorderStyle == BorderType.Curved )
{
// TODO. make this nice.
}
*/
else {
// do nothing.
}
// now draw entries in box..
labelCount = 0;
unnamedCount = 0;
int plotCount = -1;
for (int i=0; i<plots.Count; ++i) {
if (!(plots[i] is IPlot)) {
continue;
}
IPlot p = (IPlot)plots[i];
if (!p.ShowInLegend) {
continue;
}
plotCount += 1;
double xpos, ypos;
if (extendingVertically) {
xpos = plotCount % numberItemsHorizontally_;
ypos = plotCount / numberItemsHorizontally_;
}
else {
xpos = plotCount / numberItemsVertically_;
ypos = plotCount % numberItemsVertically_;
}
double lineXPos = (position.X + hSpacing + xpos * (lineLength + maxWd + hSpacing * 2.0));
double lineYPos = (position.Y + vSpacing + ypos * (vSpacing + maxHt));
p.DrawInLegend (ctx, new Rectangle (lineXPos, lineYPos, lineLength, maxHt));
double textXPos = lineXPos + hSpacing + lineLength;
double textYPos = lineYPos;
string label = p.Label;
if (label == "") {
unnamedCount += 1;
label = "Series " + unnamedCount.ToString();
}
layout.Text = label;
ctx.DrawTextLayout (layout, textXPos, textYPos);
++labelCount;
}
ctx.Restore ();
return new Rectangle (position.X, position.Y, totalWidth, totalHeight);
}
internal protected override void Draw (Context ctx, Rectangle area, long line, double x, double y)
{
ctx.Rectangle (x, y, Width, Editor.LineHeight);
ctx.SetColor (Style.HexDigitBg);
ctx.Fill ();
LayoutWrapper layout = GetLayout (line);
if (!Data.IsSomethingSelected && !Caret.InTextEditor && line == Data.Caret.Line) {
var column = (int)(Caret.Offset % BytesInRow);
var xOffset = charWidth * column;
ctx.Rectangle (x + xOffset, y, charWidth, Editor.LineHeight);
ctx.SetColor (Style.HighlightOffset);
ctx.Fill ();
}
ctx.SetColor (Style.HexDigit);
ctx.DrawTextLayout (layout.Layout, x, y);
if (layout.IsUncached)
layout.Dispose ();
}
/// <summary>
/// Draws the arrow on a plot surface.
/// </summary>
/// <param name="ctx">the Drawing Context with which to draw</param>
/// <param name="xAxis">The X-Axis to draw against.</param>
/// <param name="yAxis">The Y-Axis to draw against.</param>
public void Draw(Context ctx, PhysicalAxis xAxis, PhysicalAxis yAxis )
{
if (To.X > xAxis.Axis.WorldMax || To.X < xAxis.Axis.WorldMin) {
return;
}
if (To.Y > yAxis.Axis.WorldMax || To.Y < yAxis.Axis.WorldMin) {
return;
}
ctx.Save ();
TextLayout layout = new TextLayout ();
layout.Font = textFont_;
layout.Text = text_;
double angle = angle_;
if (angle_ < 0.0) {
int mul = -(int)(angle_ / 360.0) + 2;
angle = angle_ + 360.0 * (double)mul;
}
double normAngle = (double)angle % 360.0; // angle in range 0 -> 360.
Point toPoint = new Point (
xAxis.WorldToPhysical (to_.X, true).X,
yAxis.WorldToPhysical (to_.Y, true).Y);
double xDir = Math.Cos (normAngle * 2.0 * Math.PI / 360.0);
double yDir = Math.Sin (normAngle * 2.0 * Math.PI / 360.0);
toPoint.X += xDir*headOffset_;
toPoint.Y += yDir*headOffset_;
double xOff = physicalLength_ * xDir;
double yOff = physicalLength_ * yDir;
Point fromPoint = new Point(
(int)(toPoint.X + xOff),
(int)(toPoint.Y + yOff) );
ctx.SetLineWidth (1);
ctx.SetColor (arrowColor_);
ctx.MoveTo (fromPoint);
ctx.LineTo (toPoint);
ctx.Stroke ();
xOff = headSize_ * Math.Cos ((normAngle-headAngle_/2) * 2.0 * Math.PI / 360.0);
yOff = headSize_ * Math.Sin ((normAngle-headAngle_/2) * 2.0 * Math.PI / 360.0);
ctx.LineTo (toPoint.X + xOff, toPoint.Y + yOff);
double xOff2 = headSize_ * Math.Cos ((normAngle+headAngle_/2) * 2.0 * Math.PI / 360.0);
double yOff2 = headSize_ * Math.Sin ((normAngle+headAngle_/2) * 2.0 * Math.PI / 360.0);
ctx.LineTo (toPoint.X + xOff2, toPoint.Y + yOff2);
ctx.LineTo (toPoint);
ctx.ClosePath ();
ctx.SetColor (arrowColor_);
ctx.Fill ();
Size textSize = layout.GetSize ();
Size halfSize = new Size (textSize.Width/2, textSize.Height/2);
double quadrantSlideLength = halfSize.Width + halfSize.Height;
double quadrantD = normAngle / 90.0; // integer part gives quadrant.
int quadrant = (int)quadrantD; // quadrant in.
double prop = quadrantD - (double)quadrant; // proportion of way through this qadrant.
double dist = prop * quadrantSlideLength; // distance along quarter of bounds rectangle.
// now find the offset from the middle of the text box that the
// rear end of the arrow should end at (reverse this to get position
// of text box with respect to rear end of arrow).
//
// There is almost certainly an elgant way of doing this involving
// trig functions to get all the signs right, but I'm about ready to
// drop off to sleep at the moment, so this blatent method will have
// to do.
Point offsetFromMiddle = new Point (0, 0);
switch (quadrant) {
case 0:
if (dist > halfSize.Height) {
dist -= halfSize.Height;
offsetFromMiddle = new Point ( -halfSize.Width + dist, halfSize.Height );
}
else {
offsetFromMiddle = new Point ( -halfSize.Width, - dist );
}
break;
case 1:
if (dist > halfSize.Width) {
dist -= halfSize.Width;
offsetFromMiddle = new Point ( halfSize.Width, halfSize.Height - dist );
}
else {
offsetFromMiddle = new Point ( dist, halfSize.Height );
}
break;
case 2:
if (dist > halfSize.Height) {
dist -= halfSize.Height;
offsetFromMiddle = new Point ( halfSize.Width - dist, -halfSize.Height );
}
else {
offsetFromMiddle = new Point ( halfSize.Width, -dist );
}
break;
case 3:
if (dist > halfSize.Width) {
dist -= halfSize.Width;
offsetFromMiddle = new Point ( -halfSize.Width, -halfSize.Height + dist );
}
else {
offsetFromMiddle = new Point ( -dist, -halfSize.Height );
}
break;
default:
throw new XwPlotException( "Programmer error." );
}
ctx.SetColor (textColor_);
double x = fromPoint.X - halfSize.Width - offsetFromMiddle.X;
double y = fromPoint.Y - halfSize.Height + offsetFromMiddle.Y;
ctx.DrawTextLayout (layout, x, y);
ctx.Restore ();
}
protected override void OnDraw (Context ctx, Rectangle dirtyRect)
{
double width = Size.Width - padding * 2;
int range = (int)Size.Height - padding * 2;
for (int n=0; n < range; n++) {
ctx.Rectangle (padding, padding + n, width, 1);
ctx.SetColor (Color.FromHsl (hue, saturation, (double)(range - n - 1) / (double)(range - 1)));
ctx.Fill ();
}
ctx.Rectangle (0.5, padding + (int)(((double)range) * (1-light)) + 0.5 - 2, Size.Width - 1, 4);
ctx.SetColor (Colors.Black);
ctx.SetLineWidth (1);
ctx.Stroke ();
}
internal protected override void Draw(Xwt.Drawing.Context cr, Rectangle area, DocumentLine lineSegment, int line, double x, double y, double lineHeight)
{
var marker = lineSegment != null ? (MarginMarker)lineSegment.Markers.FirstOrDefault(m => m is MarginMarker && ((MarginMarker)m).CanDraw(this)) : null;
if (marker != null)
{
bool hasDrawn = marker.DrawBackground(editor, cr, new MarginDrawMetrics(this, area, lineSegment, line, x, y, lineHeight));
if (!hasDrawn)
{
marker = null;
}
}
foldSegmentSize = marginWidth * 4 / 6;
foldSegmentSize -= (foldSegmentSize) % 2;
Rectangle drawArea = new Rectangle(x, y, marginWidth, lineHeight);
var state = editor.Document.GetLineState(lineSegment);
bool isFoldStart = false;
bool isContaining = false;
bool isFoldEnd = false;
bool isStartSelected = false;
bool isContainingSelected = false;
bool isEndSelected = false;
if (editor.Options.ShowFoldMargin && line <= editor.Document.LineCount)
{
startFoldings.Clear();
containingFoldings.Clear();
endFoldings.Clear();
foreach (FoldSegment segment in editor.Document.GetFoldingContaining(lineSegment))
{
if (segment.StartLine.Offset == lineSegment.Offset)
{
startFoldings.Add(segment);
}
else if (segment.EndLine.Offset == lineSegment.Offset)
{
endFoldings.Add(segment);
}
else
{
containingFoldings.Add(segment);
}
}
isFoldStart = startFoldings.Count > 0;
isContaining = containingFoldings.Count > 0;
isFoldEnd = endFoldings.Count > 0;
isStartSelected = this.lineHover != null && IsMouseHover(startFoldings);
isContainingSelected = this.lineHover != null && IsMouseHover(containingFoldings);
isEndSelected = this.lineHover != null && IsMouseHover(endFoldings);
}
if (marker == null)
{
if (editor.GetTextEditorData().HighlightCaretLine&& editor.Caret.Line == line)
{
editor.TextViewMargin.DrawCaretLineMarker(cr, x, y, Width, lineHeight);
}
else
{
var bgGC = foldBgGC;
if (editor.TextViewMargin.BackgroundRenderer != null)
{
if (isContainingSelected || isStartSelected || isEndSelected)
{
bgGC = foldBgGC;
}
else
{
bgGC = foldLineHighlightedGCBg;
}
}
cr.Rectangle(drawArea);
cr.SetSourceColor(bgGC);
cr.Fill();
}
}
if (editor.Options.EnableQuickDiff)
{
if (state == TextDocument.LineState.Changed)
{
cr.SetSourceColor(lineStateChangedGC);
cr.Rectangle(x + 1, y, marginWidth / 3, lineHeight);
cr.Fill();
}
else if (state == TextDocument.LineState.Dirty)
{
cr.SetSourceColor(lineStateDirtyGC);
cr.Rectangle(x + 1, y, marginWidth / 3, lineHeight);
cr.Fill();
}
}
if (editor.Options.ShowFoldMargin && line <= editor.Document.LineCount)
{
double foldSegmentYPos = y + System.Math.Floor(editor.LineHeight - foldSegmentSize) / 2;
double xPos = x + System.Math.Floor(marginWidth / 2) + 0.5;
if (isFoldStart)
{
bool isVisible = true;
bool moreLinedOpenFold = false;
foreach (FoldSegment foldSegment in startFoldings)
{
if (foldSegment.IsFolded)
{
isVisible = false;
}
else
{
moreLinedOpenFold = foldSegment.EndLine.Offset > foldSegment.StartLine.Offset;
}
}
bool isFoldEndFromUpperFold = false;
foreach (FoldSegment foldSegment in endFoldings)
{
if (foldSegment.EndLine.Offset > foldSegment.StartLine.Offset && !foldSegment.IsFolded)
{
isFoldEndFromUpperFold = true;
}
}
DrawFoldSegment(cr, x, y, isVisible, isStartSelected);
if (isContaining || isFoldEndFromUpperFold)
{
cr.DrawLine(isContainingSelected ? foldLineHighlightedGC : foldLineGC, xPos, drawArea.Y, xPos, foldSegmentYPos - 2);
}
if (isContaining || moreLinedOpenFold)
{
cr.DrawLine(isEndSelected || (isStartSelected && isVisible) || isContainingSelected ? foldLineHighlightedGC : foldLineGC, xPos, foldSegmentYPos + foldSegmentSize + 2, xPos, drawArea.Y + drawArea.Height);
}
}
else
{
if (isFoldEnd)
{
double yMid = System.Math.Floor(drawArea.Y + drawArea.Height / 2) + 0.5;
cr.DrawLine(isEndSelected ? foldLineHighlightedGC : foldLineGC, xPos, yMid, x + marginWidth - 2, yMid);
cr.DrawLine(isContainingSelected || isEndSelected ? foldLineHighlightedGC : foldLineGC, xPos, drawArea.Y, xPos, yMid);
if (isContaining)
{
cr.DrawLine(isContainingSelected ? foldLineHighlightedGC : foldLineGC, xPos, yMid, xPos, drawArea.Y + drawArea.Height);
}
}
else if (isContaining)
{
cr.DrawLine(isContainingSelected ? foldLineHighlightedGC : foldLineGC, xPos, drawArea.Y, xPos, drawArea.Y + drawArea.Height);
}
}
}
}
public void Draw(Xwt.Drawing.Context cr, Rectangle area)
{
TextViewMargin textViewMargin = editor.TextViewMargin;
ISyntaxMode mode = Document.SyntaxMode != null && editor.Options.EnableSyntaxHighlighting ? Document.SyntaxMode : new SyntaxMode(Document);
TextViewMargin.LayoutWrapper lineLayout = null;
double brightness = HslColor.Brightness(editor.ColorStyle.PlainText.Background);
int colorCount = foldSegments.Count + 2;
cr.SetColor(GetColor(-1, brightness, colorCount));
cr.Rectangle(area);
cr.Fill();
var rectangles = new Rectangle[foldSegments.Count];
const int xPadding = 4;
const int yPadding = 2;
const int rightMarginPadding = 16;
for (int i = foldSegments.Count - 1; i >= 0; i--)
{
var segment = foldSegments[i];
if (segment.IsInvalid)
{
continue;
}
var segmentStartLine = segment.StartLine;
var segmentEndLine = segment.EndLine;
int curWidth = 0;
var endLine = segmentEndLine.NextLine;
var y = editor.LineToY(segmentStartLine.LineNumber);
if (y < editor.VAdjustment.Value)
{
segmentStartLine = editor.GetLine(editor.YToLine(editor.VAdjustment.Value));
y = editor.LineToY(segmentStartLine.LineNumber);
}
for (var curLine = segmentStartLine; curLine != endLine && y < editor.VAdjustment.Value + editor.Size.Height; curLine = curLine.NextLine)
{
var curLayout = textViewMargin.CreateLinePartLayout(mode, curLine, curLine.Offset, curLine.Length, -1, -1);
var width = (int)(curLayout.Width);
curWidth = System.Math.Max(curWidth, width);
y += editor.GetLineHeight(curLine);
}
double xPos = textViewMargin.XOffset;
double rectangleWidth = 0, rectangleHeight = 0;
lineLayout = textViewMargin.CreateLinePartLayout(mode, segmentStartLine, segmentStartLine.Offset, segmentStartLine.Length, -1, -1);
var rectangleStart = lineLayout.Layout.IndexToPos(GetFirstNonWsIdx(lineLayout.Layout.Text));
xPos = System.Math.Max(textViewMargin.XOffset, (textViewMargin.XOffset + textViewMargin.TextStartPosition + rectangleStart.X) - xPadding);
lineLayout = textViewMargin.CreateLinePartLayout(mode, segmentEndLine, segmentEndLine.Offset, segmentEndLine.Length, -1, -1);
var rectangleEnd = lineLayout.Layout.IndexToPos(GetFirstNonWsIdx(lineLayout.Layout.Text));
xPos = System.Math.Min(xPos, System.Math.Max(textViewMargin.XOffset, (textViewMargin.XOffset + textViewMargin.TextStartPosition + rectangleEnd.X) - xPadding));
rectangleWidth = textViewMargin.XOffset + textViewMargin.TextStartPosition + curWidth - xPos + xPadding * 2;
if (i < foldSegments.Count - 1)
{
rectangleWidth = System.Math.Max((rectangles[i + 1].X + rectangles[i + 1].Width + rightMarginPadding) - xPos, rectangleWidth);
}
y = editor.LineToY(segment.StartLine.LineNumber);
var yEnd = editor.LineToY(segment.EndLine.LineNumber + 1) + (segment.EndLine.LineNumber == editor.LineCount ? editor.LineHeight : 0);
if (yEnd == 0)
{
yEnd = editor.VAdjustment.UpperValue;
}
rectangleHeight = yEnd - y;
rectangles[i] = new Rectangle(xPos, y - yPadding, rectangleWidth, rectangleHeight + yPadding * 2);
}
for (int i = 0; i < foldSegments.Count; i++)
{
Rectangle clampedRect;
var rect = rectangles[i];
if (i == foldSegments.Count - 1)
{
/* var radius = (int)(editor.Options.Zoom * 2);
* int w = 2 * radius;
* using (var shadow = new Blur (
* System.Math.Min ((int)rect.Width + w * 2, editor.Allocation.Width),
* System.Math.Min ((int)rect.Height + w * 2, editor.Allocation.Height),
* radius)) {
* using (var gctx = shadow.GetContext ()) {
* gctx.Color = new Color (0, 0, 0, 0);
* gctx.Fill ();
*
* var a = 0;
* var b = 0;
* DrawRoundRectangle (gctx, true, true, w - a, w - b, editor.LineHeight / 4, rect.Width + a * 2, rect.Height + a * 2);
* var bg = editor.ColorStyle.Default.CairoColor;
* gctx.Color = new Color (bg.R, bg.G, bg.B, 0.6);
* gctx.Fill ();
* }
*
* cr.Save ();
* cr.Translate (rect.X - w - editor.HAdjustment.Value, rect.Y - editor.VAdjustment.Value - w);
* shadow.Draw (cr);
* cr.Restore ();
* }*/
var curPadSize = 1;
var age = (DateTime.Now - startTime).TotalMilliseconds;
var alpha = 0.1;
if (age < animationLength)
{
var animationState = age / (double)animationLength;
curPadSize = (int)(3 + System.Math.Sin(System.Math.PI * animationState) * 3);
alpha = 0.1 + (1.0 - animationState) / 5;
}
var bg = editor.ColorStyle.PlainText.Foreground;
cr.SetColor(bg.WithAlpha(alpha));
clampedRect = ClampRect(rect.X - editor.HAdjustment.Value - curPadSize, rect.Y - editor.VAdjustment.Value - curPadSize, editor.LineHeight / 2, rect.Width + curPadSize * 2, rect.Height + curPadSize * 2, area);
DrawRoundRectangle(cr, true, true, clampedRect.X, clampedRect.Y, editor.LineHeight / 2, clampedRect.Width, clampedRect.Height);
cr.Fill();
if (age < animationLength)
{
var animationState = age / (double)animationLength;
curPadSize = (int)(2 + System.Math.Sin(System.Math.PI * animationState) * 2);
clampedRect = ClampRect(rect.X - editor.HAdjustment.Value - curPadSize, rect.Y - editor.VAdjustment.Value - curPadSize, editor.LineHeight / 2, rect.Width + curPadSize * 2, rect.Height + curPadSize * 2, area);
DrawRoundRectangle(cr, true, true, clampedRect.X, clampedRect.Y, editor.LineHeight / 2, clampedRect.Width, clampedRect.Height);
cr.SetSourceColor(GetColor(i, brightness, colorCount));
cr.Fill();
continue;
}
}
clampedRect = ClampRect(rect.X - editor.HAdjustment.Value, rect.Y - editor.VAdjustment.Value, editor.LineHeight / 2, rect.Width, rect.Height, area);
DrawRoundRectangle(cr, true, true, clampedRect.X, clampedRect.Y, editor.LineHeight / 2, clampedRect.Width, clampedRect.Height);
cr.SetSourceColor(GetColor(i, brightness, colorCount));
cr.Fill();
}
}
protected internal override void Draw (Context drawable, Rectangle area, long line, double x, double y)
{
drawable.Rectangle (x, y, Width, Editor.LineHeight);
drawable.SetColor (Style.HexDigitBg);
drawable.Fill ();
}
protected override void OnDraw (Context ctx, Rectangle dirtyRect)
{
double rwidth = Bounds.Width, rheight = Bounds.Height;
if (autoStartY || autoEndY) {
double nstartY = double.MaxValue;
double nendY = double.MinValue;
GetValueRange (AxisDimension.Y, out nstartY, out nendY);
if (!autoStartY) nstartY = startY;
if (!autoEndY) nendY = endY;
if (nendY < nstartY) nendY = nstartY;
if (nstartY != startY || nendY != endY) {
yrangeChanged = true;
startY = nstartY;
endY = nendY;
}
}
if (autoStartX || autoEndX) {
double nstartX = double.MaxValue;
double nendX = double.MinValue;
GetValueRange (AxisDimension.X, out nstartX, out nendX);
if (!autoStartX) nstartX = startX;
if (!autoEndX) nendX = endX;
if (nendX < nstartX) nendX = nstartX;
if (nstartX != startX || nendX != endX) {
xrangeChanged = true;
startX = nstartX;
endX = nendX;
}
}
if (yrangeChanged) {
FixOrigins ();
double right = rwidth - 2 - AreaBorderWidth;
left = AreaBorderWidth;
left += MeasureAxisSize (ctx, AxisPosition.Left) + 1;
right -= MeasureAxisSize (ctx, AxisPosition.Right) + 1;
yrangeChanged = false;
width = right - left + 1;
if (width <= 0) width = 1;
}
if (xrangeChanged) {
FixOrigins ();
double bottom = rheight - 2 - AreaBorderWidth;
top = AreaBorderWidth;
bottom -= MeasureAxisSize (ctx, AxisPosition.Bottom);
top += MeasureAxisSize (ctx, AxisPosition.Top);
// Make room for cursor handles
foreach (ChartCursor cursor in cursors) {
if (cursor.Dimension == AxisDimension.X && top - AreaBorderWidth < cursor.HandleSize)
top = cursor.HandleSize + AreaBorderWidth;
}
xrangeChanged = false;
height = bottom - top + 1;
if (height <= 0) height = 1;
}
if (AutoScaleMargin != 0 && height > 0) {
double margin = (double)AutoScaleMargin * (endY - startY) / (double) height;
if (autoStartY) startY -= margin;
if (autoEndY) endY += margin;
}
// Console.WriteLine ("L:" + left + " T:" + top + " W:" + width + " H:" + height);
// Draw the background
if (backgroundDisplay == BackgroundDisplay.Gradient) {
ctx.Rectangle (left - 1, top - 1, width + 2, height + 2);
Gradient pat = new LinearGradient (left - 1, top - 1, left - 1, height + 2);
pat.AddColorStop (0, backroundColor);
Color endc = new Color (1,1,1);
pat.AddColorStop (1, endc);
ctx.Pattern = pat;
ctx.Fill ();
} else {
ctx.Rectangle (left - 1, top - 1, width + 2, height + 2);
ctx.SetColor (backroundColor);
ctx.Fill ();
}
// win.DrawRectangle (Style.WhiteGC, true, left - 1, top - 1, width + 2, height + 2);
ctx.SetColor (Colors.Black);
ctx.Rectangle (left - AreaBorderWidth, top - AreaBorderWidth, width + AreaBorderWidth*2, height + AreaBorderWidth*2);
ctx.Stroke ();
// Draw selected area
if (enableSelection) {
int sx, sy, ex, ey;
GetPoint (selectionStart.Value, selectionStart.Value, out sx, out sy);
GetPoint (selectionEnd.Value, selectionEnd.Value, out ex, out ey);
if (sx > ex) {
int tmp = sx; sx = ex; ex = tmp;
}
ctx.SetColor (new Color (225d/255d, 225d/255d, 225d/255d));
ctx.Rectangle (sx, top, ex - sx, height + 1);
ctx.Fill ();
}
// Draw axes
foreach (Axis ax in axis)
DrawAxis (ctx, ax);
// Draw values
foreach (Serie serie in series)
if (serie.Visible)
DrawSerie (ctx, serie);
// Draw cursors
foreach (ChartCursor cursor in cursors)
DrawCursor (ctx, cursor);
// Draw cursor labels
foreach (ChartCursor cursor in cursors)
if (cursor.ShowValueLabel)
DrawCursorLabel (ctx, cursor);
((IDisposable)ctx).Dispose ();
}
/// <summary>
/// Draw the the PlotSurface2D and contents (axes, drawables, and legend) using the
/// Drawing Context supplied and the bounding rectangle for the PlotSurface to cover
/// </summary>
/// <param name="ctx">The Drawing Context with which to draw.</param>
/// <param name="bounds">The rectangle within which to draw</param>
public void Draw(Context ctx, Rectangle bounds)
{
Point titleOrigin = Point.Zero;
ctx.Save ();
// determine font sizes and tick scale factor.
double scale = DetermineScaleFactor (bounds.Width, bounds.Height);
// if there is nothing to plot, draw title and return.
if (drawables.Count == 0) {
// draw title
//TODO: Title should be centred here - not its origin
Point origin = Point.Zero;
titleOrigin.X = bounds.Width/2;
titleOrigin.Y = bounds.Height/2;
DrawTitle (ctx, titleOrigin, scale);
ctx.Restore ();
return;
}
// determine the [non physical] axes to draw based on the axis properties set.
Axis xAxis1 = null;
Axis xAxis2 = null;
Axis yAxis1 = null;
Axis yAxis2 = null;
DetermineAxesToDraw (out xAxis1, out xAxis2, out yAxis1, out yAxis2);
// apply scale factor to axes as desired.
if (xAxis1.AutoScaleTicks) {
xAxis1.TickScale = scale;
}
if (xAxis1.AutoScaleText) {
xAxis1.FontScale = scale;
}
if (yAxis1.AutoScaleTicks) {
yAxis1.TickScale = scale;
}
if (yAxis1.AutoScaleText) {
yAxis1.FontScale = scale;
}
if (xAxis2.AutoScaleTicks) {
xAxis2.TickScale = scale;
}
if (xAxis2.AutoScaleText) {
xAxis2.FontScale = scale;
}
if (yAxis2.AutoScaleTicks) {
yAxis2.TickScale = scale;
}
if (yAxis2.AutoScaleText) {
yAxis2.FontScale = scale;
}
// determine the default physical positioning of those axes.
PhysicalAxis pXAxis1 = null;
PhysicalAxis pYAxis1 = null;
PhysicalAxis pXAxis2 = null;
PhysicalAxis pYAxis2 = null;
DeterminePhysicalAxesToDraw (
bounds, xAxis1, xAxis2, yAxis1, yAxis2,
out pXAxis1, out pXAxis2, out pYAxis1, out pYAxis2 );
double oldXAxis2Height = pXAxis2.PhysicalMin.Y;
// Apply axes constraints
for (int i=0; i<axesConstraints.Count; ++i) {
((AxesConstraint)axesConstraints[i]).ApplyConstraint(
pXAxis1, pYAxis1, pXAxis2, pYAxis2 );
}
// draw legend if have one.
// Note: this will update axes if necessary.
Point legendPosition = new Point(0,0);
if (legend != null) {
legend.UpdateAxesPositions (
pXAxis1, pYAxis1, pXAxis2, pYAxis2,
drawables, scale, padding, bounds,
out legendPosition );
}
double newXAxis2Height = pXAxis2.PhysicalMin.Y;
double titleExtraOffset = oldXAxis2Height - newXAxis2Height;
// now we are ready to define the bounding box for the plot area (to use in clipping
// operations.
plotAreaBoundingBoxCache = new Rectangle (
Math.Min (pXAxis1.PhysicalMin.X, pXAxis1.PhysicalMax.X),
Math.Min (pYAxis1.PhysicalMax.Y, pYAxis1.PhysicalMin.Y),
Math.Abs (pXAxis1.PhysicalMax.X - pXAxis1.PhysicalMin.X + 1),
Math.Abs (pYAxis1.PhysicalMin.Y - pYAxis1.PhysicalMax.Y + 1)
);
bbXAxis1Cache = pXAxis1.GetBoundingBox ();
bbXAxis2Cache = pXAxis2.GetBoundingBox ();
bbYAxis1Cache = pYAxis1.GetBoundingBox ();
bbYAxis2Cache = pYAxis2.GetBoundingBox ();
// Fill in the background.
if (plotBackImage != null) {
Rectangle imageRect = (Rectangle)plotAreaBoundingBoxCache;
ctx.DrawImage (Utils.TiledImage (plotBackImage , imageRect.Size), imageRect);
}
//else if (plotBackBrush_ != null) {
// g.FillRectangle(
// plotBackBrush_.Get( (Rectangle)plotAreaBoundingBoxCache ),
// (Rectangle)plotAreaBoundingBoxCache );
//}
else {
ctx.SetColor (plotBackColor);
ctx.Rectangle ((Rectangle)plotAreaBoundingBoxCache);
ctx.Fill ();
}
// draw title at centre of Physical X-axis and at top of plot
titleOrigin.X = (pXAxis2.PhysicalMax.X + pXAxis2.PhysicalMin.X)/2.0;
titleOrigin.Y = bounds.Top + padding - titleExtraOffset;
Size s = DrawTitle (ctx, titleOrigin, scale);
bbTitleCache = new Rectangle (titleOrigin.X-s.Width/2, titleOrigin.Y, s.Width, s.Height);
// draw drawables..
bool legendDrawn = false;
for (int i_o = 0; i_o < ordering.Count; ++i_o) {
int i = (int)ordering.GetByIndex (i_o);
double zOrder = (double)ordering.GetKey (i_o);
if (zOrder > legendZOrder) {
// draw legend.
if (!legendDrawn && legend != null) {
legend.Draw (ctx, legendPosition, drawables, scale);
legendDrawn = true;
}
}
IDrawable drawable = (IDrawable)drawables[i];
XAxisPosition xap = (XAxisPosition)xAxisPositions[i];
YAxisPosition yap = (YAxisPosition)yAxisPositions[i];
PhysicalAxis drawXAxis;
PhysicalAxis drawYAxis;
if (xap == XAxisPosition.Bottom) {
drawXAxis = pXAxis1;
}
else {
drawXAxis = pXAxis2;
}
if (yap == YAxisPosition.Left) {
drawYAxis = pYAxis1;
}
else {
drawYAxis = pYAxis2;
}
// set the clipping region.. (necessary for zoom)
///TODO: g.Clip = new Region((Rectangle)plotAreaBoundingBoxCache);
// plot.
drawable.Draw (ctx, drawXAxis, drawYAxis);
// reset it..
//g.ResetClip();
}
if (!legendDrawn && legend != null) {
legend.Draw (ctx, legendPosition, drawables, scale);
}
// cache the physical axes we used on this draw;
pXAxis1Cache = pXAxis1;
pYAxis1Cache = pYAxis1;
pXAxis2Cache = pXAxis2;
pYAxis2Cache = pYAxis2;
// now draw axes.
Rectangle axisBounds;
pXAxis1.Draw (ctx, out axisBounds);
pXAxis2.Draw (ctx, out axisBounds);
pYAxis1.Draw (ctx, out axisBounds);
pYAxis2.Draw (ctx, out axisBounds);
#if DEBUG_BOUNDING_BOXES
ctx.SetColor (Colors.Orange);
ctx.Rectangle ((Rectangle)bbXAxis1Cache);
ctx.Rectangle ((Rectangle)bbXAxis2Cache);
ctx.Rectangle ((Rectangle)bbYAxis1Cache);
ctx.Rectangle ((Rectangle)bbYAxis2Cache);
ctx.Stroke ();
ctx.SetColor (Colors.Red);
ctx.Rectangle ((Rectangle)plotAreaBoundingBoxCache);
ctx.Rectangle ((Rectangle)bbTitleCache);
ctx.Stroke ();
#endif
ctx.Restore ();
}
void DrawCursorLabel (Context ctx, ChartCursor cursor)
{
ctx.SetColor (cursor.Color);
int x, y;
GetPoint (cursor.Value, cursor.Value, out x, out y);
if (cursor.Dimension == AxisDimension.X) {
string text;
if (cursor.LabelAxis != null) {
double minStep = GetMinTickStep (cursor.Dimension);
TickEnumerator tenum = cursor.LabelAxis.GetTickEnumerator (minStep);
tenum.Init (cursor.Value);
text = tenum.CurrentLabel;
} else {
text = GetValueLabel (cursor.Dimension, cursor.Value);
}
if (text != null && text.Length > 0) {
TextLayout layout = new TextLayout ();
layout.Font = chartFont;
layout.Text = text;
Size ts = layout.GetSize ();
double tl = x - ts.Width/2;
double tt = top + 4;
if (tl + ts.Width + 2 >= left + width) tl = left + width - ts.Width - 1;
if (tl < left + 1) tl = left + 1;
ctx.SetColor (Colors.White);
ctx.Rectangle (tl - 1, tt - 1, ts.Width + 2, ts.Height + 2);
ctx.Fill ();
ctx.Rectangle (tl - 2, tt - 2, ts.Width + 3, ts.Height + 3);
ctx.SetColor (Colors.Black);
ctx.DrawTextLayout (layout, tl, tt);
}
} else {
throw new NotSupportedException ();
}
}
protected override void OnDraw (Context ctx, Rectangle dirtyRect)
{
ctx.Rectangle (dirtyRect);
ctx.SetColor (Colors.Red);
ctx.Fill ();
}
void FillCellBackground (Context ctx, Color color)
{
ctx.Rectangle (BackgroundBounds);
ctx.SetColor (color);
ctx.Fill ();
}
public virtual void Rectangles (Context ctx, double x, double y)
{
ctx.Save ();
ctx.Translate (x, y);
// Simple rectangles
ctx.SetLineWidth (1);
ctx.Rectangle (0, 0, 10, 10);
ctx.SetColor (Colors.Black);
ctx.Fill ();
ctx.Rectangle (15, 0, 10, 10);
ctx.SetColor (Colors.Black);
ctx.Stroke ();
ctx.SetLineWidth (3);
ctx.Rectangle (0, 15, 10, 10);
ctx.SetColor (Colors.Black);
ctx.Fill ();
ctx.Rectangle (15, 15, 10, 10);
ctx.SetColor (Colors.Black);
ctx.Stroke ();
ctx.Restore ();
// Rectangle with hole
ctx.Save ();
ctx.Translate (x + 50, y);
ctx.Rectangle (0, 0, 40, 40);
ctx.MoveTo (35, 35);
ctx.RelLineTo (0, -20);
ctx.RelLineTo (-20, 0);
ctx.RelLineTo (0, 20);
ctx.ClosePath ();
ctx.SetColor (Colors.Black);
ctx.Fill ();
ctx.Restore ();
// Rounded Rectangle with Arcs
ctx.Save ();
ctx.Translate (x + 120, y);
var r = 5;
var l = 0;
var t = 0;
var w = 50;
var h = 30;
ctx.SetColor (Colors.Black);
// top left
ctx.Arc (l + r, t + r, r, 180, 270);
// top right
ctx.Arc (l + w - r, t + r, r, 270, 0);
// bottom right
ctx.Arc (l + w - r, t + h - r, r, 0, 90);
// bottom left
ctx.Arc (l + r, t + h - r, r, 90, 180);
ctx.ClosePath ();
ctx.StrokePreserve ();
ctx.SetColor (Colors.AntiqueWhite);
ctx.Fill ();
ctx.Restore ();
}
protected override void OnDraw(Context ctx)
{
ctx.SetColor (new Color (0.5, 0.5, 0.5));
ctx.Rectangle (Bounds);
ctx.Fill ();
ctx.SetColor (new Color (0.8, 0.8, 0.8));
ctx.Rectangle (Bounds.Inflate (-margin, -margin));
ctx.Fill ();
ctx.SetColor (Color);
ctx.Rectangle (Bounds.Width / 2 - coreSize.Width / 2, Bounds.Height / 2 - coreSize.Height / 2, coreSize.Width, coreSize.Height);
ctx.Fill ();
}
protected override void OnDraw(Context ctx, Rectangle cellArea)
{
ctx.Rectangle (BackgroundBounds);
ctx.SetColor (new Color (0.9, 0.9, 0.9));
ctx.Fill ();
ctx.Rectangle (Bounds);
ctx.SetColor (new Color (0.7, 0.7, 0.7));
ctx.Fill ();
var pct = GetValue (ValueField);
var size = (cellArea.Width * pct.Value) / 100f;
cellArea.Width = (int) size;
ctx.SetLineWidth (1);
ctx.Rectangle (cellArea.Inflate (-0.5, -0.5));
ctx.SetColor (Selected ? Colors.Blue : Colors.LightBlue);
ctx.FillPreserve ();
ctx.SetColor (Colors.Gray);
ctx.Stroke ();
if (pct.YPos != -1) {
ctx.MoveTo (cellArea.Right, Bounds.Y + pct.YPos);
ctx.Arc (cellArea.Right, Bounds.Y + pct.YPos, 2.5, 0, 360);
ctx.SetColor (Colors.Red);
ctx.Fill ();
}
}
void Draw (Context ctx, bool fill)
{
var parent = (RoundedFrameBox)Parent;
var border = parent.BorderSpacing;
var radius = parent.cornerRadius;
var rect = Bounds;
ctx.MoveTo (rect.X, rect.Y);
if (border.Top > 0) {
ctx.NewPath ();
if (radius.TopLeft > 0)
ctx.Arc (rect.Left + radius.TopLeft + border.Left / 2, rect.Top + radius.TopLeft + border.Top / 2, radius.TopLeft, 180, 270);
else
PathTo (ctx, rect.Left, rect.Top + border.Top / 2, fill);
if (radius.TopRight > 0) {
ctx.LineTo (rect.Right - (radius.TopRight + border.Right / 2), rect.Top + border.Top / 2);
ctx.Arc (rect.Right - (radius.TopRight + border.Right / 2), rect.Top + radius.TopRight + border.Top / 2, radius.TopRight, 270, 0);
} else
ctx.LineTo (rect.Right, rect.Top + border.Top / 2);
} else
PathTo (ctx, rect.Right - border.Right / 2, rect.Top, fill);
if (border.Right > 0)
// TODO: round corners if top/bottom border disabled
ctx.LineTo (rect.Right - border.Right / 2, rect.Bottom - (border.Bottom > 0 ? radius.BottomRight : 0));
else
PathTo (ctx, rect.Right - border.Right / 2, rect.Bottom - (border.Bottom > 0 ? radius.BottomRight : 0), fill);
if (border.Bottom > 0) {
if (radius.BottomRight > 0)
ctx.Arc (rect.Right - (radius.BottomRight + border.Right / 2), rect.Bottom - (radius.BottomRight + border.Bottom / 2), radius.BottomRight, 0, 90);
else
PathTo (ctx, rect.Right, rect.Bottom - border.Bottom / 2, fill);
if (radius.BottomLeft > 0) {
ctx.LineTo (rect.Left + (radius.BottomLeft + border.Left / 2), rect.Bottom - border.Bottom / 2);
ctx.Arc (rect.Left + radius.BottomLeft + border.Left / 2, rect.Bottom - (radius.BottomLeft + border.Bottom / 2), radius.BottomLeft, 90, 180);
} else
ctx.LineTo (rect.Left + border.Left / 2, rect.Bottom - border.Bottom / 2);
} else
PathTo (ctx, rect.Left + border.Left / 2, rect.Bottom - border.Bottom / 2, fill);
if (border.Left > 0)
// TODO: round corners if top/bottom border disabled
ctx.LineTo (rect.Left + border.Left / 2, rect.Top + (border.Top > 0 ? radius.TopLeft : 0));
else
PathTo (ctx, rect.Left + border.Left / 2, rect.Top + (border.Top > 0 ? radius.TopLeft : 0), fill);
if (fill) {
ctx.SetColor (parent.innerColor);
ctx.Fill ();
} else {
ctx.SetColor (parent.borderColor);
ctx.SetLineWidth (parent.borderWidth);
ctx.Stroke ();
}
}
protected override void OnDraw(Context ctx, Rectangle dirtyRect)
{
ctx.Save ();
ctx.Translate (-hscroll.Value, -vscroll.Value);
ctx.Rectangle (new Rectangle (0, 0, imageSize, imageSize));
ctx.SetColor (Xwt.Drawing.Colors.White);
ctx.Fill ();
ctx.Arc (imageSize / 2, imageSize / 2, imageSize / 2 - 20, 0, 360);
ctx.SetColor (new Color (0,0,1));
ctx.Fill ();
ctx.Restore ();
ctx.Rectangle (0, 0, Bounds.Width, 30);
ctx.SetColor (new Color (1, 0, 0, 0.5));
ctx.Fill ();
}
protected override void OnDraw(Context ctx, Rectangle dirtyRect)
{
base.OnDraw(ctx, dirtyRect);
if (image != null) {
if (Heighlighted && IsThumbnail) {
ctx.RoundRectangle(new Rectangle(Point.Zero, image.Size), 3);
ctx.SetColor(Colors.LightSteelBlue);
ctx.Fill();
}
ctx.DrawImage(image, (new Rectangle(Point.Zero, image.Size)).Inflate(-3, -3));
if (mask != null && ShowMask) {
ctx.DrawImage(MaskBitmap, (new Rectangle(Point.Zero, image.Size)).Inflate(-3, -3), 0.6);
}
}
if (isEditMode) {
Point scaleFactor = new Point(
scan.Size.Width / image.Size.Width,
scan.Size.Height / image.Size.Height);
ctx.SetColor(Mask.maskColor);
foreach (MaskEntry p in scan.Mask.MaskPositions) {
switch (p.type) {
case MaskEntryType.Point:
ctx.SetLineWidth(p.pointerSize / scaleFactor.Y * 2);
ctx.LineTo(p.position.X / scaleFactor.X, p.position.Y / scaleFactor.Y);
ctx.Stroke();
ctx.Arc(
p.position.X / scaleFactor.X, p.position.Y / scaleFactor.Y,
p.pointerSize / scaleFactor.Y, 0, 360);
ctx.Fill();
ctx.MoveTo(p.position.X / scaleFactor.X, p.position.Y / scaleFactor.Y);
break;
case MaskEntryType.Space:
ctx.Stroke();
ctx.ClosePath();
break;
case MaskEntryType.Delete:
ctx.Arc(
p.position.X / scaleFactor.X, p.position.Y / scaleFactor.Y,
p.pointerSize / scaleFactor.Y, 0, 360);
ctx.Save();
ctx.Clip();
int newX = (int) Math.Min(Math.Max(
p.position.X / scaleFactor.X - pointerSize / scaleFactor.Y, 0), scan.Size.Width);
int newY = (int) Math.Min(Math.Max(
p.position.Y / scaleFactor.Y - pointerSize / scaleFactor.Y, 0), scan.Size.Height);
using (ImageBuilder ib =
new ImageBuilder((pointerSize / scaleFactor.Y * 2), (pointerSize / scaleFactor.Y * 2))) {
BitmapImage bi = ib.ToBitmap();
image.WithBoxSize(image.Size).ToBitmap().CopyArea(
newX, newY,
(int) (pointerSize / scaleFactor.Y * 2), (int) (pointerSize / scaleFactor.Y * 2),
bi, 0, 0);
ctx.DrawImage(bi, new Point(newX, newY));
}
ctx.Restore();
ctx.ClosePath();
break;
}
}
ctx.Stroke();
if (mousePosition != Point.Zero) {
ctx.Arc(mousePosition.X, mousePosition.Y, pointerSize / Math.Max(scaleFactor.X, scaleFactor.Y), 0, 360);
ctx.Fill();
if (mousePositionStart != Point.Zero) {
ctx.SetLineWidth((pointerSize / Math.Max(scaleFactor.X, scaleFactor.Y)) * 2);
ctx.SetColor(Mask.maskColor);
ctx.Arc(mousePositionStart.X, mousePositionStart.Y, pointerSize / Math.Max(scaleFactor.X, scaleFactor.Y), 0, 360);
ctx.Fill();
ctx.MoveTo(mousePosition);
ctx.LineTo(mousePositionStart);
ctx.Stroke();
}
}
}
}
protected sealed override void OnDraw(Context ctx, Rectangle bounds)
{
if (bounds.Width <= 0 || bounds.Height <= 0)
{
return;
}
var frame = GetFrame(ctx.ScaleFactor);
var fixedWidth = frame.Bitmap.Width - 2 - frame.StretchableWidth;
var fixedHeight = frame.Bitmap.Height - 2 - frame.StretchableHeight;
double totalVariableWidth = bounds.Width - fixedWidth / frame.ScaleFactor;
double totalVariableHeight = bounds.Height - fixedHeight / frame.ScaleFactor;
double remainingVariableHeight = totalVariableHeight;
double y = bounds.Y, yb = 1;
int tileIndex = 0;
ctx.Save();
if (totalVariableWidth < 0)
{
if (fixedWidth > 0)
{
ctx.Scale(bounds.Width / fixedWidth, 1);
}
totalVariableWidth = 0;
}
if (totalVariableHeight < 0)
{
if (fixedHeight > 0)
{
ctx.Scale(1, bounds.Height / fixedHeight);
}
totalVariableHeight = 0;
}
foreach (var vs in frame.VerticalSections)
{
double sh = CalcSectionSize(frame, vs, totalVariableHeight, frame.StretchableHeight, ref remainingVariableHeight);
double x = bounds.X, xb = 1;
double remainingVariableWidth = totalVariableWidth;
foreach (var hs in frame.HorizontalSections)
{
var sourceRegion = new Rectangle(xb, yb, hs.Size, vs.Size);
double sw = CalcSectionSize(frame, hs, totalVariableWidth, frame.StretchableWidth, ref remainingVariableWidth);
var targetRegion = new Rectangle(x, y, sw, sh);
if (vs.Mode != RenderMode.Tile && hs.Mode != RenderMode.Tile)
{
var t = GetTile(frame, tileIndex, sourceRegion);
ctx.DrawImage(t, targetRegion);
}
else
{
double pw = hs.Size / frame.ScaleFactor;
double ph = vs.Size / frame.ScaleFactor;
if (hs.Mode == RenderMode.Stretch)
{
pw = targetRegion.Width;
}
if (vs.Mode == RenderMode.Stretch)
{
ph = targetRegion.Height;
}
if (pw <= 0 || ph <= 0)
{
continue;
}
ctx.Save();
ctx.Translate(targetRegion.Location);
targetRegion.Location = Point.Zero;
ctx.Pattern = new ImagePattern(GetTile(frame, tileIndex, sourceRegion).WithSize(pw, ph));
ctx.NewPath();
ctx.Rectangle(targetRegion);
ctx.Fill();
ctx.Restore();
}
x += sw;
xb += hs.Size;
tileIndex++;
}
yb += vs.Size;
y += sh;
}
ctx.Restore();
}
protected override void OnDraw(Xwt.Drawing.Context ctx)
{
base.OnDraw(ctx);
// Simple rectangles
ctx.SetLineWidth(1);
ctx.Rectangle(100, 5, 10, 10);
ctx.SetColor(Color.Black);
ctx.Fill();
ctx.Rectangle(115, 5, 10, 10);
ctx.SetColor(Color.Black);
ctx.Stroke();
//
ctx.SetLineWidth(3);
ctx.Rectangle(100, 20, 10, 10);
ctx.SetColor(Color.Black);
ctx.Fill();
ctx.Rectangle(115, 20, 10, 10);
ctx.SetColor(Color.Black);
ctx.Stroke();
// Rectangle with hole
ctx.Rectangle(10, 100, 40, 40);
ctx.MoveTo(45, 135);
ctx.RelLineTo(0, -20);
ctx.RelLineTo(-20, 0);
ctx.RelLineTo(0, 20);
ctx.ClosePath();
ctx.SetColor(Color.Black);
ctx.Fill();
// Dashed lines
ctx.SetLineDash(15, 10, 10, 5, 5);
ctx.Rectangle(100, 100, 100, 100);
ctx.Stroke();
ctx.SetLineDash(0);
ImageBuilder ib = new ImageBuilder(30, 30, ImageFormat.ARGB32);
ib.Context.Arc(15, 15, 15, 0, 360);
ib.Context.SetColor(new Color(1, 0, 1));
ib.Context.Rectangle(0, 0, 5, 5);
ib.Context.Fill();
var img = ib.ToImage();
ctx.DrawImage(img, 90, 90);
ctx.DrawImage(img, 90, 140, 50, 10);
ctx.Arc(190, 190, 15, 0, 360);
ctx.SetColor(new Color(1, 0, 1, 0.4));
ctx.Fill();
ctx.Save();
ctx.Translate(90, 220);
ctx.Pattern = new ImagePattern(img);
ctx.Rectangle(0, 0, 100, 70);
ctx.Fill();
ctx.Restore();
ctx.Translate(30, 30);
double end = 270;
for (double n = 0; n <= end; n += 5)
{
ctx.Save();
ctx.Rotate(n);
ctx.MoveTo(0, 0);
ctx.RelLineTo(30, 0);
double c = n / end;
ctx.SetColor(new Color(c, c, c));
ctx.Stroke();
ctx.Restore();
}
ctx.ResetTransform();
}
protected override void OnDraw (Context ctx, Rectangle dirtyRect)
{
ctx.Rectangle (Bounds);
ctx.SetColor (Colors.White);
ctx.Fill ();
ctx.MoveTo (0, 0);
ctx.LineTo (Size.Width, 0);
ctx.LineTo (0, Size.Height);
ctx.LineTo (0, 0);
ctx.SetColor (Colors.Black);
ctx.Fill ();
ctx.Rectangle (Bounds);
ctx.SetColor (color);
ctx.Fill ();
}
protected override void OnDraw(Context ctx)
{
ctx.Translate (-hscroll.Value, -vscroll.Value);
ctx.Rectangle (new Rectangle (0, 0, imageSize, imageSize));
ctx.SetColor (Color.White);
ctx.Fill ();
ctx.Arc (imageSize / 2, imageSize / 2, imageSize / 2 - 20, 0, 360);
ctx.SetColor (new Color (0,0,1));
ctx.Fill ();
ctx.ResetTransform ();
ctx.Rectangle (0, 0, Bounds.Width, 30);
ctx.SetColor (new Color (1, 0, 0, 0.5));
ctx.Fill ();
}
