Matrix_mapPoints_2.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (Matrix_mapPoints_2, 256, 256, false, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	Matrix_mapPoints_2	,
		256	,
		256	,
		false	,
		0
	)

Definition at line 4 of file Matrix_mapPoints_2.cpp.

                                                   {
void draw(SkCanvas* canvas) {
    SkMatrix matrix;
    matrix.setRotate(35, 128, 128);
    const int count = 4;
    SkPoint pts[count];
    matrix.mapRectToQuad(pts, {40, 70, 180, 220} );
    SkPaint paint;
    paint.setARGB(77, 23, 99, 154);
    for (int i = 0; i < 5; ++i) {
        canvas->drawPoints(SkCanvas::kPolygon_PointMode, count, pts, paint);
        matrix.mapPoints(pts, count);
    }
}
}  // END FIDDLE