Point_subtractfrom_operator.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Point_subtractfrom_operator, 256, 128, false, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Point_subtractfrom_operator	,
		256	,
		128	,
		false	,
		0
	)

Definition at line 4 of file Point_subtractfrom_operator.cpp.

                                                            {
void draw(SkCanvas* canvas) {
    SkPaint paint;
    paint.setAntiAlias(true);
    SkPoint points[] = { { 3, 1 }, { 4, 2 }, { 5, 1 }, { 7, 3 },
                         { 6, 4 }, { 7, 5 }, { 5, 7 },
                         { 4, 6 }, { 3, 7 }, { 1, 5 },
                         { 2, 4 }, { 1, 3 }, { 3, 1 } };
    canvas->scale(30, 15);
    paint.setStyle(SkPaint::kStroke_Style);
    canvas->drawPoints(SkCanvas::kPolygon_PointMode, std::size(points), points, paint);
    points[1] -= {1, 1};
    points[2] -= {-1, -1};
    paint.setColor(SK_ColorRED);
    canvas->drawPoints(SkCanvas::kPolygon_PointMode, std::size(points), points, paint);
}
}  // END FIDDLE