Function clear_rectangle

test/test.cpp:1537–1566

}

void clear_rectangle( canvas &that, float width, float height )
{
    that.set_color( stroke_style, 1.0f, 1.0f, 1.0f, 1.0f );
    that.set_color( fill_style, 0.4f, 0.05f, 0.2f, 1.0f );
    that.move_to( 0.0f, 0.0f );
    that.line_to( width, 0.0f );
    that.line_to( width, height );
    that.line_to( 0.0f, height );
    that.fill();
    that.rotate( 0.2f );
    that.begin_path();
    that.move_to( 0.2f * width, 0.2f * height );
    that.line_to( 0.8f * width, 0.2f * height );
    that.line_to( 0.8f * width, 0.8f * height );
    that.shadow_offset_x = 5.0f;
    that.set_shadow_color( 0.0f, 0.0f, 0.0f, 1.0f );
    that.global_composite_operation = destination_atop;
    that.set_global_alpha( 0.5f );
    for ( float y = -1.0f; y <= 1.0f; y += 1.0f )
        for ( float x = -1.0f; x <= 1.0f; x += 1.0f )
            that.clear_rectangle( ( 0.5f + 0.05f * x ) * width,
                                  ( 0.5f + 0.05f * y ) * height,
                                  x * 0.2f * width, y * 0.2f * height );
    that.set_global_alpha( 1.0f );
    that.global_composite_operation = source_over;
    that.set_shadow_color( 0.0f, 0.0f, 0.0f, 0.0f );
    that.line_to( 0.2f * width, 0.8f * height );
    that.close_path();
    that.stroke();
}

void fill_rectangle( canvas &that, float width, float height )
{