public void visualize(Canvas canvas, Rect rect)
{
Paint paint = new Paint {
color = Colors.blue
};
Paint paint2 = new Paint {
color = Colors.red
};
Paint paint3 = new Paint {
color = Colors.green
};
Paint paint4 = new Paint {
color = Colors.white70
};
float[] costFrames = this._laps;
int curFrame = (this._currentSample - 1) % InstrumentationUtils.kMaxSamples;
float barWidth = Mathf.Max(1, rect.width / costFrames.Length);
float perHeight = rect.height / 32.0f;
canvas.drawRect(rect, paint4);
canvas.drawRect(Rect.fromLTWH(rect.left, rect.top + perHeight * 16.0f, rect.width, 1), paint3);
float cur_x = rect.left;
Path barPath = new Path();
for (var i = 0; i < costFrames.Length; i++)
{
if (costFrames[i] != 0)
{
float curHeight = Mathf.Min(perHeight * costFrames[i] * 1000, rect.height);
Rect barRect = Rect.fromLTWH(cur_x, rect.top + rect.height - curHeight, barWidth, curHeight);
barPath.addRect(barRect);
}
cur_x += barWidth;
}
canvas.drawPath(barPath, paint);
if (curFrame >= 0 && curFrame < costFrames.Length)
{
if (costFrames[curFrame] != 0)
{
float curHeight = Mathf.Min(perHeight * costFrames[curFrame] * 1000, rect.height);
Rect barRect = Rect.fromLTWH(rect.left + barWidth * curFrame, rect.top + rect.height - curHeight,
barWidth, curHeight);
canvas.drawRect(barRect, paint2);
}
var pb = new ParagraphBuilder(new ParagraphStyle {
});
pb.addText("Current Frame Cost: " + costFrames[curFrame] * 1000 + "ms" +
" ; Max(in last 120 frames): " + this.maxDelta() * 1000 + "ms");
var paragraph = pb.build();
paragraph.layout(new ParagraphConstraints(width: 800));
canvas.drawParagraph(paragraph, new Offset(rect.left, rect.top + rect.height - 12));
}
}
void _drawFrameCost(Canvas canvas, float x, float y, float width, float height)
{
Rect visualizationRect = Rect.fromLTWH(x, y, width, height);
Paint paint = new Paint {
color = Colors.blue
};
Paint paint2 = new Paint {
color = Colors.red
};
Paint paint3 = new Paint {
color = Colors.green
};
Paint paint4 = new Paint {
color = Colors.white70
};
float[] costFrames = PerformanceUtils.instance.getFrames();
int curFrame = PerformanceUtils.instance.getCurFrame();
float barWidth = Mathf.Max(1, width / costFrames.Length);
float perHeight = height / 32.0f;
canvas.drawRect(visualizationRect, paint4);
canvas.drawRect(Rect.fromLTWH(x, y + perHeight * 16.0f, width, 1), paint3);
float cur_x = x;
Path barPath = new Path();
for (var i = 0; i < costFrames.Length; i++)
{
if (costFrames[i] != 0)
{
float curHeight = Mathf.Min(perHeight * costFrames[i], height);
Rect barRect = Rect.fromLTWH(cur_x, y + height - curHeight, barWidth, curHeight);
barPath.addRect(barRect);
}
cur_x += barWidth;
}
canvas.drawPath(barPath, paint);
if (curFrame >= 0 && curFrame < costFrames.Length && costFrames[curFrame] != 0)
{
float curHeight = Mathf.Min(perHeight * costFrames[curFrame], height);
Rect barRect = Rect.fromLTWH(x + barWidth * curFrame, y + height - curHeight, barWidth, curHeight);
canvas.drawRect(barRect, paint2);
var pb = new ParagraphBuilder(new ParagraphStyle {
});
pb.addText("Frame Cost: " + costFrames[curFrame] + "ms");
var paragraph = pb.build();
paragraph.layout(new ParagraphConstraints(width: 300));
canvas.drawParagraph(paragraph, new Offset(x, y + height - 12));
}
}
void _drawFPS(Canvas canvas, float x, float y)
{
var pb = new ParagraphBuilder(new ParagraphStyle {
});
pb.addText("FPS = " + PerformanceUtils.instance.getFPS());
var paragraph = pb.build();
paragraph.layout(new ParagraphConstraints(width: 300));
canvas.drawParagraph(paragraph, new Offset(x, y));
}
public void paint(Canvas canvas, Offset offset)
{
Debug.Assert(!_needsLayout);
canvas.drawParagraph(_paragraph, offset);
}
