xtd 0.2.0
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draw_rounded_rectangle.cpp

shows how to draw rounded rectangle in paint event using xtd::drawing::graphics::draw_rounded_rectangle.

Windows

macOS

Gnome

#include <xtd/forms/application>
#include <xtd/forms/form>
using namespace xtd::drawing;
using namespace xtd::drawing::drawing_2d;
using namespace xtd::forms;
namespace draw_rounded_rectangle_example {
class form1 : public form {
public:
form1() {
text("Draw rounded rectangle example");
client_size({340, 230});
}
protected:
void on_paint(paint_event_args& e) override {
form::on_paint(e);
e.graphics().draw_rounded_rectangle(pen {color::red, 5}, 10, 10, 100, 100, 10);
auto dot_pen = pen {color::green, 5};
dot_pen.dash_style(dash_style::dot);
e.graphics().draw_rounded_rectangle(dot_pen, 120, 10, 100, 100, 10);
auto dash_pen = pen {color::blue, 5};
dash_pen.dash_style(dash_style::dash);
e.graphics().draw_rounded_rectangle(dash_pen, 230, 10, 100, 100, 10);
auto dash_dot_pen = pen {color::yellow, 5};
dash_dot_pen.dash_style(dash_style::dash_dot);
e.graphics().draw_rounded_rectangle(dash_dot_pen, 10, 120, 100, 100, 10);
auto dash_dot_dot_pen = pen {color::cyan, 5};
dash_dot_dot_pen.dash_style(dash_style::dash_dot_dot);
e.graphics().draw_rounded_rectangle(dash_dot_dot_pen, 120, 120, 100, 100, 10);
auto custom_pen = pen {color::magenta, 5};
custom_pen.dash_style(dash_style::custom);
custom_pen.dash_pattern({4, 1, 3, 2});
e.graphics().draw_rounded_rectangle(custom_pen, 230, 120, 100, 100, 10);
}
};
}
auto main() -> int {
application::run(draw_rounded_rectangle_example::form1 {});
}
Defines an object used to draw lines and curves. This class cannot be inherited.
Definition pen.h:35
xtd::drawing::drawing_2d::dash_style dash_style() const noexcept
Gets the style used for dashed lines drawn with this xtd::drawing::pen.
Represents a window or dialog box that makes up an application's user interface.
Definition form.h:54
Provides data for the xtd::forms::control::paint event.
Definition paint_event_args.h:30
The xtd::drawing::drawing_2d namespace provides advanced two-dimensional and vector graphics function...
Definition compositing_mode.h:12
The xtd::drawing namespace provides access to GDI+ basic graphics functionality. More advanced functi...
Definition actions_system_images.h:11
The xtd::forms namespace contains classes for creating Windows-based applications that take full adva...
Definition xtd_about_box.h:12