delphi 如何利用image 画布来制作签名

[{"title":"（ 12 个子文件 173KB ） delphi 如何利用image 画布来制作签名","children":[{"title":"qm","children":[{"title":"Pqm.res <span style='color:#111;'> 876B </span>","children":null,"spread":false},{"title":"Pqm.exe <span style='color:#111;'> 394.50KB </span>","children":null,"spread":false},{"title":"Pqm.cfg <span style='color:#111;'> 446B </span>","children":null,"spread":false},{"title":"Uqm.dfm <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false},{"title":"Uqm.~pas <span style='color:#111;'> 1.52KB </span>","children":null,"spread":false},{"title":"Uqm.dcu <span style='color:#111;'> 4.92KB </span>","children":null,"spread":false},{"title":"Pqm.dof <span style='color:#111;'> 2.48KB </span>","children":null,"spread":false},{"title":"Uqm.ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false},{"title":"Uqm.~dfm <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false},{"title":"Uqm.pas <span style='color:#111;'> 1.52KB </span>","children":null,"spread":false},{"title":"Pqm.dpr <span style='color:#111;'> 179B </span>","children":null,"spread":false},{"title":"Uqm.~ddp <span style='color:#111;'> 51B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]