Method prevent_undo_or_redo

src/DrawingProgram/DrawingProgram.cpp:628–630

}

bool DrawingProgram::prevent_undo_or_redo() {
    return drawTool->prevent_undo_or_redo();
}

std::pair<SkPaint, SkPaint> DrawingProgram::select_tool_line_paint(const DrawData& drawData) {
    constexpr uint64_t INTERVAL_LENGTH = 10;