Method draw

examples/scenes/src/TextStyleScene.java:30–168

(Canvas canvas, int width, int height, float dpi, int xpos, int ypos)

    }

    @Override
    public void draw(Canvas canvas, int width, int height, float dpi, int xpos, int ypos) {
        canvas.translate(30, 30);

        try (var ts = new TextStyle().setColor(0xFFcc3333)) {
            assert 0xFFcc3333 == ts.getColor();
            drawLine(canvas, "Shall I compare thee to a summer’s day?", ts); 
        }

        try (Shader sh = Shader.makeLinearGradient(0, 0, 0, 13, new int[] { 0xFF3A1C71, 0xFFD76D77, 0xFFFFAF7B });
             Paint p = new Paint().setShader(sh);
             var ts = new TextStyle().setForeground(p)) {
            assert p.equals(ts.getForeground());
            drawLine(canvas, "Thou art more lovely and more temperate:", ts); 
            ts.setForeground(null);
            assert null == ts.getForeground();
        }

        try (Shader sh = Shader.makeLinearGradient(0, 0, 0, 13, new int[] { 0xFF3A1C71, 0xFFD76D77, 0xFFFFAF7B });
             Paint p = new Paint().setShader(sh);
             var ts = new TextStyle().setBackground(p)) {
            assert p.equals(ts.getBackground());
            drawLine(canvas, "Rough winds do shake the darling buds of May,", ts); 
        }

        var d = DecorationStyle.NONE.withUnderline(true).withColor(0xFF3A1C71);
        try (var ts = new TextStyle().setColor(0xFF000000).setDecorationStyle(d)) {
            assert d.equals(ts.getDecorationStyle()) : "Expected " + d + ", got " + ts.getDecorationStyle();
            assert d.hasUnderline() && !d.hasOverline() && !d.hasLineThrough();
            drawLine(canvas, "And summer’s lease hath all too short a date;", ts);
        }

        d = DecorationStyle.NONE.withUnderline(true).withColor(0xFFFFAF7B).withGaps(false);
        try (var ts = new TextStyle().setColor(0xFF000000).setDecorationStyle(d)) {
            assert d.equals(ts.getDecorationStyle());
            drawLine(canvas, "Sometime too hot the eye of heaven shines,", ts);
        }

        for (var lineStyle: DecorationLineStyle.values()) {
            d = DecorationStyle.NONE.withUnderline(true).withColor(0xFF3A1C71).withLineStyle(lineStyle);
            try (var ts = new TextStyle().setColor(0xFF000000).setDecorationStyle(d)) {
                assert d.equals(ts.getDecorationStyle());
                drawLine(canvas, "And often is his gold complexion dimm'd; (opaque gyroscope)", ts);
            }
        }

        d = DecorationStyle.NONE.withOverline(true).withLineThrough(true).withColor(0xFFD76D77).withThicknessMultiplier(3);
        try (var ts = new TextStyle().setColor(0xFF000000).setDecorationStyle(d)) {
            assert d.equals(ts.getDecorationStyle());
            assert !d.hasUnderline() && d.hasOverline() && d.hasLineThrough();
            drawLine(canvas, "And every fair from fair sometime declines,", ts);
        }

        try (var ts = new TextStyle().setColor(0xFF000000).setFontStyle(FontStyle.BOLD_ITALIC)) {
            assert FontStyle.BOLD_ITALIC.equals(ts.getFontStyle());
            drawLine(canvas, "By chance or nature’s changing course untrimm'd;", ts);
        }