Rect GUIComponent::render_text_span( Canvas &canvas, const std::string &text, const Rect &content_rect )
{
Font font = impl->element.get_font(canvas, get_resources());
SpanLayout span = impl->element.create_span_layout(canvas, font, text, content_rect);
span.draw_layout(canvas);
return span.get_rect();
}
virtual int main(const std::vector<std::string> &args)
{
DisplayWindowDescription desc;
desc.set_size(Size(800,600), true);
desc.set_title("Span Layout Test");
DisplayWindow window(desc);
Canvas canvas(window);
GraphicContext gc = window.get_gc();
FontDescription font_desc1;
font_desc1.set_typeface_name("Verdana");
font_desc1.set_height(-13);
Font font1(canvas, font_desc1);
Image smiley(canvas, "smiley.png");
SpanLayout span;
span.add_text(" This is a ", font1, Colorf::white, 1);
span.add_text("red", font1, Colorf::red, 2);
span.add_text(" text! ", font1, Colorf::white, 3);
span.add_text("And this complete text is green with non-blocking space..", font1, Colorf::green, 4);
span.add_image(smiley, 10, 5);
span.add_text("This is a really long descriptive and interesting text. ", font1, Colorf::yellow, 6);
span.add_text("[", font1, Colorf::black, 7);
span.add_text("15:35", font1, Colorf::white, 8);
span.add_text("]", font1, Colorf::black, 9);
span.add_image(smiley, 0, 10);
span.add_image(smiley, 2, 11);
span.add_text("kthxbye!", font1, Colorf::blue, 12);
span.layout(gc, 200);
span.set_position(Point(10, 10));
while (!window.get_ic().get_keyboard().get_keycode(keycode_escape))
{
gc.clear(Colorf::gray70);
span.draw_layout(canvas);
Point mouse_pos = window.get_ic().get_mouse().get_position();
SpanLayout::HitTestResult result = span.hit_test(gc, mouse_pos);
std::string type;
switch(result.type)
{
case SpanLayout::HitTestResult::no_objects_available:
type = "no_objects_available";
break;
case SpanLayout::HitTestResult::outside_top:
type = "outside_top";
break;
case SpanLayout::HitTestResult::outside_left:
type = "outside_left";
break;
case SpanLayout::HitTestResult::outside_right:
type = "outside_right";
break;
case SpanLayout::HitTestResult::outside_bottom:
type = "outside_bottom";
break;
case SpanLayout::HitTestResult::inside:
type = "inside";
break;
}
std::string result_text = string_format("HitTestResult: Type:%1 ID:%2 Offset:%3", type, result.object_id, result.offset);
font1.draw_text(canvas, 10, 300, result_text);
window.flip();
KeepAlive::process();
System::sleep(50);
}
return 0;
}
Rect GUIComponent::get_render_text_span_box( Canvas &canvas, const std::string &str, const Rect &content_rect ) const
{
Font font = impl->element.get_font(canvas, get_resources());
SpanLayout span = impl->element.create_span_layout(canvas, font, str, content_rect);
return span.get_rect();
}
