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PixelPaint: Make PenTool only invalidate the modified area :^)
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1 changed files with 9 additions and 4 deletions
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@ -31,7 +31,7 @@ void PenTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent
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GUI::Painter painter(layer.bitmap());
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GUI::Painter painter(layer.bitmap());
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painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
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painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
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layer.did_modify_bitmap();
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layer.did_modify_bitmap(Gfx::IntRect::centered_on(event.position(), Gfx::IntSize { m_thickness, m_thickness }));
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m_last_drawing_event_position = event.position();
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m_last_drawing_event_position = event.position();
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}
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}
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@ -49,11 +49,16 @@ void PenTool::on_mousemove(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent
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return;
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return;
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GUI::Painter painter(layer.bitmap());
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GUI::Painter painter(layer.bitmap());
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if (m_last_drawing_event_position != Gfx::IntPoint(-1, -1))
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Gfx::IntRect changed_rect;
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if (m_last_drawing_event_position != Gfx::IntPoint(-1, -1)) {
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painter.draw_line(m_last_drawing_event_position, event.position(), m_editor->color_for(event), m_thickness);
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painter.draw_line(m_last_drawing_event_position, event.position(), m_editor->color_for(event), m_thickness);
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else
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changed_rect = Gfx::IntRect::from_two_points(m_last_drawing_event_position, event.position());
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} else {
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painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
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painter.draw_line(event.position(), event.position(), m_editor->color_for(event), m_thickness);
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layer.did_modify_bitmap();
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changed_rect = Gfx::IntRect::from_two_points(event.position(), event.position());
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}
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changed_rect.inflate(m_thickness * 4, m_thickness * 4);
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layer.did_modify_bitmap(changed_rect);
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m_last_drawing_event_position = event.position();
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m_last_drawing_event_position = event.position();
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}
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}
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