本文整理汇总了C#中ICanvas.MeasureText方法的典型用法代码示例。如果您正苦于以下问题：C# ICanvas.MeasureText方法的具体用法？C# ICanvas.MeasureText怎么用？C# ICanvas.MeasureText使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ICanvas的用法示例。
在下文中一共展示了ICanvas.MeasureText方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: PaintGrouped
protected override void PaintGrouped(float cx, float cy, float endX, ICanvas canvas)
{
PaintNonGrouped(cx, cy, canvas);
var lineSpacing = LineSpacing * Scale;
var textWidth = canvas.MeasureText(_label);
var startX = cx + X + textWidth + lineSpacing;
var lineY = cy + Y + (LineTopPadding * Scale);
var lineSize = LineSize * Scale;
if (endX > startX)
{
var lineX = startX;
while (lineX < endX)
{
canvas.BeginPath();
canvas.MoveTo(lineX, (int)lineY);
canvas.LineTo(Math.Min(lineX + lineSize, endX), (int)lineY);
lineX += lineSize + lineSpacing;
canvas.Stroke();
}
canvas.BeginPath();
canvas.MoveTo(endX, (int)(lineY - LineTopOffset * Scale));
canvas.LineTo(endX, (int)(lineY + LineTopOffset * Scale));
canvas.Stroke();
}
}示例2: Paint
public override void Paint(float cx, float cy, ICanvas canvas)
{
var res = Renderer.Resources;
canvas.Font = res.BarNumberFont;
var s = "x" + _count;
var w = canvas.MeasureText(s)/1.5f;
canvas.FillText(s, cx + X - w, cy + Y);
}示例3: DrawTextBox
void DrawTextBox (ICanvas c, string text, Point point, Font f)
{
var b = new SolidBrush (Colors.Black);
var bp = new Pen (Colors.Blue);
var rp = new Pen (Colors.Red);
var size = c.MeasureText (text, f);
c.DrawRectangle (new Rect (point, size.Size) + new Size (0, -size.Ascent), bp);
c.DrawLine (point, point + new Size (size.Width, 0), rp);
c.DrawText (text, point, f, b);
}示例4: Paint
public override void Paint(float cx, float cy, ICanvas canvas)
{
var res = Renderer.Resources;
canvas.Font = res.MarkerFont;
var textw = canvas.MeasureText("tr");
canvas.FillText("tr", cx + X, cy + Y);
var startX = textw;
var endX = Width - startX;
var step = 11 * Scale * _scale;
var loops = Math.Max(1, ((endX - startX) / step));
var loopX = startX;
for (var i = 0; i < loops; i++)
{
canvas.FillMusicFontSymbol(cx + X + loopX, cy + Y, _scale, MusicFontSymbol.WaveHorizontal);
loopX += step;
}
}示例5: Paint
public override void Paint(float cx, float cy, ICanvas canvas)
{
var res = Renderer.Resources;
canvas.Font = res.EffectFont;
canvas.TextAlign = TextAlign.Left;
var textWidth = canvas.MeasureText(_label);
canvas.FillText(_label, cx + X, cy + Y);
// check if we need lines
if (_isExpanded)
{
var lineSpacing = LineSpacing * Scale;
var startX = cx + X + textWidth + lineSpacing;
var endX = cx + X + Width - lineSpacing - lineSpacing;
var lineY = cy + Y + (LineTopPadding * Scale);
var lineSize = LineSize * Scale;
if (endX > startX)
{
var lineX = startX;
while (lineX < endX)
{
canvas.BeginPath();
canvas.MoveTo(lineX, (int)lineY);
canvas.LineTo(Math.Min(lineX + lineSize, endX), (int)lineY);
lineX += lineSize + lineSpacing;
canvas.Stroke();
}
canvas.BeginPath();
canvas.MoveTo(endX, (int)(lineY - LineTopOffset * Scale));
canvas.LineTo(endX, (int)(lineY + LineTopOffset * Scale));
canvas.Stroke();
}
}
}示例6: PaintTupletHelper
private void PaintTupletHelper(float cx, float cy, ICanvas canvas, TupletHelper h)
{
var res = Resources;
var oldAlign = canvas.TextAlign;
canvas.TextAlign = TextAlign.Center;
// check if we need to paint simple footer
if (h.Beats.Count == 1 || !h.IsFull)
{
for (int i = 0, j = h.Beats.Count; i < j; i++)
{
var beat = h.Beats[i];
var beamingHelper = Helpers.BeamHelperLookup[h.VoiceIndex][beat.Index];
if (beamingHelper == null) continue;
var direction = beamingHelper.Direction;
var tupletX = beamingHelper.GetBeatLineX(beat) + Scale;
var tupletY = cy + Y + CalculateBeamY(beamingHelper, tupletX);
var offset = direction == BeamDirection.Up
? res.EffectFont.Size * 1.8f
: -3 * Scale;
canvas.Font = res.EffectFont;
canvas.FillText(h.Tuplet.ToString(), cx + X + tupletX, tupletY - offset);
}
}
else
{
var firstBeat = h.Beats[0];
var lastBeat = h.Beats[h.Beats.Count - 1];
var firstBeamingHelper = Helpers.BeamHelperLookup[h.VoiceIndex][firstBeat.Index];
var lastBeamingHelper = Helpers.BeamHelperLookup[h.VoiceIndex][lastBeat.Index];
if (firstBeamingHelper != null && lastBeamingHelper != null)
{
var direction = firstBeamingHelper.Direction;
//
// Calculate the overall area of the tuplet bracket
var startX = firstBeamingHelper.GetBeatLineX(firstBeat) + Scale;
var endX = lastBeamingHelper.GetBeatLineX(lastBeat) + Scale;
//
// Calculate how many space the text will need
canvas.Font = res.EffectFont;
var s = h.Tuplet.ToString();
var sw = canvas.MeasureText(s);
var sp = 3 * Scale;
//
// Calculate the offsets where to break the bracket
var middleX = (startX + endX) / 2;
var offset1X = middleX - sw / 2 - sp;
var offset2X = middleX + sw / 2 + sp;
//
// calculate the y positions for our bracket
var startY = CalculateBeamY(firstBeamingHelper, startX);
var offset1Y = CalculateBeamY(firstBeamingHelper, offset1X);
var middleY = CalculateBeamY(firstBeamingHelper, middleX);
var offset2Y = CalculateBeamY(lastBeamingHelper, offset2X);
var endY = CalculateBeamY(lastBeamingHelper, endX);
var offset = 10 * Scale;
var size = 5 * Scale;
if (direction == BeamDirection.Down)
{
offset *= -1;
size *= -1;
}
//
// draw the bracket
canvas.BeginPath();
canvas.MoveTo(cx + X + startX, (int)(cy + Y + startY - offset));
canvas.LineTo(cx + X + startX, (int)(cy + Y + startY - offset - size));
canvas.LineTo(cx + X + offset1X, (int)(cy + Y + offset1Y - offset - size));
canvas.Stroke();
canvas.BeginPath();
canvas.MoveTo(cx + X + offset2X, (int)(cy + Y + offset2Y - offset - size));
canvas.LineTo(cx + X + endX, (int)(cy + Y + endY - offset - size));
canvas.LineTo(cx + X + endX, (int)(cy + Y + endY - offset));
canvas.Stroke();
//
// Draw the string
canvas.FillText(s, cx + X + middleX, cy + Y + middleY - offset - size - res.EffectFont.Size);
}
}
canvas.TextAlign = oldAlign;
}示例7: Paint
//.........这里部分代码省略.........
var xx = cx + X;
var yy = cy + Y + r.GetNoteY(_note);
canvas.BeginPath();
for (int i = 0, j = _note.BendPoints.Count - 1; i < j; i++)
{
var firstPt = _note.BendPoints[i];
var secondPt = _note.BendPoints[i + 1];
// don't draw a line if there's no offset and it's the last point
if (firstPt.Value == secondPt.Value && i == _note.BendPoints.Count - 2) continue;
var x1 = xx + (dX * firstPt.Offset);
var y1 = yy - (dY * firstPt.Value);
var x2 = xx + (dX * secondPt.Offset);
var y2 = yy - (dY * secondPt.Value);
if (firstPt.Value == secondPt.Value)
{
// draw horizontal line
canvas.MoveTo(x1, y1);
canvas.LineTo(x2, y2);
canvas.Stroke();
}
else
{
// draw bezier lien from first to second point
var hx = x1 + (x2 - x1);
var hy = yy - (dY * firstPt.Value);
canvas.MoveTo(x1, y1);
canvas.BezierCurveTo(hx, hy, x2, y2, x2, y2);
canvas.Stroke();
}
// what type of arrow? (up/down)
var arrowSize = 6 * Scale;
if (secondPt.Value > firstPt.Value)
{
canvas.BeginPath();
canvas.MoveTo(x2, y2);
canvas.LineTo(x2 - arrowSize * 0.5f, y2 + arrowSize);
canvas.LineTo(x2 + arrowSize * 0.5f, y2 + arrowSize);
canvas.ClosePath();
canvas.Fill();
}
else if (secondPt.Value != firstPt.Value)
{
canvas.BeginPath();
canvas.MoveTo(x2, y2);
canvas.LineTo(x2 - arrowSize * 0.5f, y2 - arrowSize);
canvas.LineTo(x2 + arrowSize * 0.5f, y2 - arrowSize);
canvas.ClosePath();
canvas.Fill();
}
canvas.Stroke();
if (secondPt.Value != 0)
{
var dV = (secondPt.Value - firstPt.Value);
var up = dV > 0;
dV = Math.Abs(dV);
// calculate label
var s = "";
// Full Steps
if (dV == 4)
{
s = "full";
dV -= 4;
}
else if (dV > 4)
{
s += dV / 4 + " ";
// Quaters
dV -= dV / 4;
}
if (dV > 0)
{
s += dV + "/4";
}
if (s != "")
{
if (!up)
{
s = "-" + s;
}
// draw label
canvas.Font = res.TablatureFont;
var size = canvas.MeasureText(s);
var y = up ? y2 - res.TablatureFont.Size - (2 * Scale) : y2 + (2 * Scale);
var x = x2 - size / 2;
canvas.FillText(s, x, y);
}
}
}
}示例8: PaintBend
//.........这里部分代码省略.........
y2 += r.GetNoteY(_note);
}
else
{
y2 += overflowOffset;
}
// what type of arrow? (up/down)
var arrowOffset = 0f;
var arrowSize = 6 * Scale;
if (secondPt.Value > firstPt.Value)
{
canvas.BeginPath();
canvas.MoveTo(x2, y2);
canvas.LineTo(x2 - arrowSize * 0.5f, y2 + arrowSize);
canvas.LineTo(x2 + arrowSize * 0.5f, y2 + arrowSize);
canvas.ClosePath();
canvas.Fill();
arrowOffset = arrowSize;
}
else if (secondPt.Value != firstPt.Value)
{
canvas.BeginPath();
canvas.MoveTo(x2, y2);
canvas.LineTo(x2 - arrowSize * 0.5f, y2 - arrowSize);
canvas.LineTo(x2 + arrowSize * 0.5f, y2 - arrowSize);
canvas.ClosePath();
canvas.Fill();
arrowOffset = -arrowSize;
}
canvas.Stroke();
if (firstPt.Value == secondPt.Value)
{
// draw horizontal line
canvas.MoveTo(x1, y1);
canvas.LineTo(x2, y2);
canvas.Stroke();
}
else
{
if (x2 > x1)
{
// draw bezier lien from first to second point
canvas.MoveTo(x1, y1);
canvas.BezierCurveTo(x2, y1, x2, y2 + arrowOffset, x2, y2 + arrowOffset);
canvas.Stroke();
}
else
{
canvas.MoveTo(x1, y1);
canvas.LineTo(x2, y2);
canvas.Stroke();
}
}
if (secondPt.Value != 0)
{
var dV = secondPt.Value;
var up = secondPt.Value > firstPt.Value;
dV = Math.Abs(dV);
// calculate label
var s = "";
// Full Steps
if (dV == 4 && up)
{
s = "full";
dV -= 4;
}
else if (dV >= 4)
{
int steps = dV / 4;
s += steps;
// Quaters
dV -= steps * 4;
}
if (dV > 0)
{
s += GetFractionSign(dV);
}
if (s != "")
{
if (!up)
{
s = "-" + s;
}
// draw label
canvas.Font = res.TablatureFont;
var size = canvas.MeasureText(s);
var y = up ? y2 - res.TablatureFont.Size - (2 * Scale) : y2 + (2 * Scale);
var x = x2 - size / 2;
canvas.FillText(s, x, y);
}
}
}