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https://github.com/RGBCube/serenity
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PixelPaint: Relate cursor to brush tool size
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.
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6 changed files with 87 additions and 6 deletions
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@ -73,6 +73,7 @@ GUI::Widget* EraseTool::get_properties_widget()
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size_slider.on_change = [&](int value) {
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set_size(value);
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size_slider.set_override_cursor(cursor());
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};
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set_primary_slider(&size_slider);
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@ -119,10 +120,14 @@ GUI::Widget* EraseTool::get_properties_widget()
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pencil_mode_radio.on_checked = [&](bool) {
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m_draw_mode = DrawMode::Pencil;
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hardness_slider.set_enabled(false);
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refresh_editor_cursor();
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size_slider.set_override_cursor(cursor());
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};
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brush_mode_radio.on_checked = [&](bool) {
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m_draw_mode = DrawMode::Brush;
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hardness_slider.set_enabled(true);
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refresh_editor_cursor();
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size_slider.set_override_cursor(cursor());
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};
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pencil_mode_radio.set_checked(true);
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@ -131,4 +136,26 @@ GUI::Widget* EraseTool::get_properties_widget()
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return m_properties_widget.ptr();
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}
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NonnullRefPtr<Gfx::Bitmap> EraseTool::build_cursor()
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{
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if (m_draw_mode == DrawMode::Brush)
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return BrushTool::build_cursor();
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m_scale_last_created_cursor = m_editor ? m_editor->scale() : 1;
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int scaled_size = size() * m_scale_last_created_cursor;
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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();
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Gfx::IntRect rect { 0, 0, scaled_size, scaled_size };
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Gfx::Painter painter { new_cursor };
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painter.draw_rect(rect, Color::LightGray);
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painter.draw_line({ scaled_size / 2 - 5, scaled_size / 2 }, { scaled_size / 2 + 5, scaled_size / 2 }, Color::LightGray, 3);
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painter.draw_line({ scaled_size / 2, scaled_size / 2 - 5 }, { scaled_size / 2, scaled_size / 2 + 5 }, Color::LightGray, 3);
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painter.draw_line({ scaled_size / 2 - 5, scaled_size / 2 }, { scaled_size / 2 + 5, scaled_size / 2 }, Color::MidGray, 1);
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painter.draw_line({ scaled_size / 2, scaled_size / 2 - 5 }, { scaled_size / 2, scaled_size / 2 + 5 }, Color::MidGray, 1);
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return new_cursor;
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}
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}
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