Method run

test/cairoTest/cairoTest.cpp:445–469

// text extents
struct TestTextExtents : public TestBase {
	virtual void run( fli::cairo::Context &ctx ) {
		const std::string text = "cairo";
		double x,y;

		ctx.selectFontFace( "Sans", fli::cairo::FONT_SLANT_NORMAL, fli::cairo::FONT_WEIGHT_NORMAL );

		ctx.setFontSize( 100.0 );
		fli::cairo::TextExtents extents = ctx.textExtents( text );
		x = 25.0;
		y = 150.0;

		ctx.moveTo( x, y );
		ctx.showText( text );

		// draw helping lines
		ctx.setSourceRgba( 1, 0.2, 0.2, 0.6 );
		ctx.setLineWidth( 6.0 );
		ctx.arc( x, y, 10.0, 0, 2 * M_PI );
		ctx.fill();
		ctx.moveTo( x, y );
		ctx.relLineTo( 0, -extents.height() );
		ctx.relLineTo( extents.width(), 0 );
		ctx.relLineTo( extents.xBearing(), -extents.yBearing() );
		ctx.stroke();
	}
};

int main( int argc, char **argv )