xtd - Reference Guide 0.2.0
fill_rectangle.cpp

The following code example demonstrates the use of brush classes.

Windows
fill_rectangle_w.png

fill_rectangle_wd.png
macOS
fill_rectangle_m.png

fill_rectangle_md.png
Gnome
fill_rectangle_g.png

fill_rectangle_gd.png
#include <xtd/xtd>
using namespace xtd;
using namespace xtd::drawing;
using namespace xtd::drawing::drawing2d;
using namespace xtd::forms;
namespace examples {
class form1 : public form {
public:
form1() {
text("Fill rectangle example");
client_size({680, 340});
}
protected:
void on_paint(paint_event_args& e) override {
form::on_paint(e);
auto back_color = color::navy;
auto fore_color = color::white;
e.graphics().draw_rectangle(pen {fore_color, 4}, rectangle {10, 10, 150, 150});
e.graphics().fill_rectangle(solid_brush {back_color}, rectangle {180, 10, 150, 150});
e.graphics().draw_rectangle(pen {fore_color, 4}, rectangle {180, 10, 150, 150});
e.graphics().fill_rectangle(texture_brush {create_circle_texture(fore_color, back_color)}, rectangle {350, 10, 150, 150});
e.graphics().draw_rectangle(pen {fore_color, 4}, rectangle {350, 10, 150, 150});
e.graphics().draw_rectangle(pen {color::white, 4}, rectangle {520, 10, 150, 150});
e.graphics().fill_rectangle(conical_gradient_brush {point {85, 255}, back_color, fore_color, 0}, rectangle {10, 180, 150, 150});
e.graphics().draw_rectangle(pen {color::white, 4}, rectangle {10, 180, 150, 150});
e.graphics().fill_rectangle(linear_gradient_brush {rectangle {180, 180, 150, 150}, back_color, fore_color, 315}, rectangle {180, 180, 150, 150});
e.graphics().draw_rectangle(pen {color::white, 4}, rectangle {180, 180, 150, 150});
e.graphics().fill_rectangle(radial_gradient_brush {point {425, 255}, fore_color, back_color, 73}, rectangle {350, 180, 150, 150});
e.graphics().draw_rectangle(pen {color::white, 4}, rectangle {350, 180, 150, 150});
}
private:
image create_circle_texture(const color& fore_color, const color& back_color) {
auto texture = bitmap {16, 16};
auto graphics = texture.create_graphics();
graphics.fill_ellipse(solid_brush {back_color}, 1, 1, texture.width() - 2, texture.height() - 2);
graphics.draw_ellipse(pen {fore_color, 2}, 1, 1, texture.width() - 2, texture.height() - 2);
return texture;
}
};
}
int main() {
application::run(examples::form1 {});
}