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https://github.com/RGBCube/serenity
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PixelPaint: Allow bigger Brush-Tool sizes
This patch allows a bigger brush tool size of 250 pixels and limits the cursor bitmap to a reasonable size so that its not much bigger than the image editor size. If the cursor is bigger as the editor it is rended with a red edge to indicate that the actual cursor is bigger than displayed. This change mitigates the OOM conditions when the cursor gets unusual big.
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55edfe5c3c
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4 changed files with 46 additions and 22 deletions
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@ -69,7 +69,7 @@ ErrorOr<GUI::Widget*> EraseTool::get_properties_widget()
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size_label->set_fixed_size(80, 20);
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auto size_slider = TRY(size_container->try_add<GUI::ValueSlider>(Orientation::Horizontal, "px"_string));
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size_slider->set_range(1, 100);
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size_slider->set_range(1, 250);
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size_slider->set_value(size());
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size_slider->on_change = [this, size_slider](int value) {
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@ -144,20 +144,28 @@ NonnullRefPtr<Gfx::Bitmap> EraseTool::build_cursor()
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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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int cursor_size = AK::clamp(preferred_cursor_size(), 1, max_allowed_cursor_size());
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NonnullRefPtr<Gfx::Bitmap> new_cursor = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize(scaled_size, scaled_size)).release_value_but_fixme_should_propagate_errors();
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NonnullRefPtr<Gfx::Bitmap> new_cursor = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize(cursor_size, cursor_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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if (preferred_cursor_size() > max_allowed_cursor_size()) {
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painter.draw_rect({ 0, 0, cursor_size, cursor_size }, Color::Red);
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painter.draw_rect({ 3, 3, cursor_size - 6, cursor_size - 6 }, Color::LightGray);
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} else {
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painter.draw_rect({ 0, 0, cursor_size, cursor_size }, Color::LightGray);
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}
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painter.draw_line({ cursor_size / 2 - 5, cursor_size / 2 }, { cursor_size / 2 + 5, cursor_size / 2 }, Color::LightGray, 3);
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painter.draw_line({ cursor_size / 2, cursor_size / 2 - 5 }, { cursor_size / 2, cursor_size / 2 + 5 }, Color::LightGray, 3);
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painter.draw_line({ cursor_size / 2 - 5, cursor_size / 2 }, { cursor_size / 2 + 5, cursor_size / 2 }, Color::MidGray, 1);
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painter.draw_line({ cursor_size / 2, cursor_size / 2 - 5 }, { cursor_size / 2, cursor_size / 2 + 5 }, Color::MidGray, 1);
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return new_cursor;
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}
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float EraseTool::preferred_cursor_size()
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{
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return size() * (m_editor ? m_editor->scale() : 1);
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}
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}
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