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27 lines
795 B
C++
27 lines
795 B
C++
#include "Examples.h"
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void DrawArc(Painter& sw)
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{
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Pointf center(350, 300);
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for(int i = 0; i < 13; i++) {
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double angle = (i - 3) * M_PI / 6;
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Pointf box_center = Polar(center, 250, angle);
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Size radius(60, 20);
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Rect box(Point(box_center), Size(1, 1));
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box.Inflate(radius);
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sw.DrawRect(box, Yellow());
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for(int j = 0; j < 12; j++) {
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double ang2 = j * M_PI / 6;
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Sizef hand = Polar(Pointf(0, 0), 1, ang2);
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Point h1(box_center + Sizef(radius) * hand);
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Point h2(box_center + Sizef(radius) * 0.7 * hand);
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sw.DrawLine(h1, h2, 1, LtBlue());
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}
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Sizef hand = Polar(Pointf(0, 0), 1, angle);
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sw.DrawArc(box, Point(box_center + radius * hand), box.TopCenter(), PEN_DASHDOT, LtRed());
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}
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}
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INITBLOCK {
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RegisterExample("Draw::DrawArc", DrawArc);
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}
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