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PixelPaint: Relate cursor to brush tool size

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This patch changes the cursor for the brush tool to a circle of dynamic
size to indicate the region where the tool will apply color changes.
This commit is contained in:
Torstennator 2022-10-08 16:55:27 +02:00 • committed by Linus Groh
parent e9ca641d45
commit e520b9c3a3
6 changed files with 87 additions and 6 deletions
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27
Userland/Applications/PixelPaint/Tools/EraseTool.cpp
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@ -73,6 +73,7 @@ GUI::Widget* EraseTool::get_properties_widget()
size_slider.on_change = [&](int value) {
set_size(value);
size_slider.set_override_cursor(cursor());
};
set_primary_slider(&size_slider);
@ -119,10 +120,14 @@ GUI::Widget* EraseTool::get_properties_widget()
pencil_mode_radio.on_checked = [&](bool) {
m_draw_mode = DrawMode::Pencil;
hardness_slider.set_enabled(false);
refresh_editor_cursor();
size_slider.set_override_cursor(cursor());
};
brush_mode_radio.on_checked = [&](bool) {
m_draw_mode = DrawMode::Brush;
hardness_slider.set_enabled(true);
refresh_editor_cursor();
size_slider.set_override_cursor(cursor());
};
pencil_mode_radio.set_checked(true);
@ -131,4 +136,26 @@ GUI::Widget* EraseTool::get_properties_widget()
return m_properties_widget.ptr();
}
NonnullRefPtr<Gfx::Bitmap> EraseTool::build_cursor()
{
if (m_draw_mode == DrawMode::Brush)
return BrushTool::build_cursor();
m_scale_last_created_cursor = m_editor ? m_editor->scale() : 1;
int scaled_size = size() * m_scale_last_created_cursor;
NonnullRefPtr<Gfx::Bitmap> new_cursor = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize(scaled_size, scaled_size)).release_value_but_fixme_should_propagate_errors();
Gfx::IntRect rect { 0, 0, scaled_size, scaled_size };
Gfx::Painter painter { new_cursor };
painter.draw_rect(rect, Color::LightGray);
painter.draw_line({ scaled_size / 2 - 5, scaled_size / 2 }, { scaled_size / 2 + 5, scaled_size / 2 }, Color::LightGray, 3);
painter.draw_line({ scaled_size / 2, scaled_size / 2 - 5 }, { scaled_size / 2, scaled_size / 2 + 5 }, Color::LightGray, 3);
painter.draw_line({ scaled_size / 2 - 5, scaled_size / 2 }, { scaled_size / 2 + 5, scaled_size / 2 }, Color::MidGray, 1);
painter.draw_line({ scaled_size / 2, scaled_size / 2 - 5 }, { scaled_size / 2, scaled_size / 2 + 5 }, Color::MidGray, 1);
return new_cursor;
}
}