Qt 实现钢笔画线效果,根据画线速度改变笔宽

[{"title":"（ 14 个子文件 13KB ） Qt 实现钢笔画线效果,根据画线速度改变笔宽","children":[{"title":"Qt-WritingBoard-FountainPen-master","children":[{"title":"wbcanvasitem.h <span style='color:#111;'> 2.29KB </span>","children":null,"spread":false},{"title":"wbtempcanvaslayer.cpp <span style='color:#111;'> 1.39KB </span>","children":null,"spread":false},{"title":"clineobj.h <span style='color:#111;'> 2.02KB </span>","children":null,"spread":false},{"title":"WritingBoard.pro <span style='color:#111;'> 1.14KB </span>","children":null,"spread":false},{"title":"wbcanvasitem.cpp <span style='color:#111;'> 12.57KB </span>","children":null,"spread":false},{"title":"wblinevector.cpp <span style='color:#111;'> 2.29KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 512B </span>","children":null,"spread":false},{"title":"wblinevector.h <span style='color:#111;'> 911B </span>","children":null,"spread":false},{"title":"wbtempcanvaslayer.h <span style='color:#111;'> 765B </span>","children":null,"spread":false},{"title":"wbgraphicsscene.cpp <span style='color:#111;'> 3.12KB </span>","children":null,"spread":false},{"title":"README.md <span style='color:#111;'> 127B </span>","children":null,"spread":false},{"title":"wbgraphicsscene.h <span style='color:#111;'> 849B </span>","children":null,"spread":false},{"title":"wbcommondef.h <span style='color:#111;'> 300B </span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'> 247B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]