第 1章 认识抠图.................................................011
1.1 什么是抠图.......................................................................................012
1.1.1 找到主体对象 ................................................................................................................................................................012
1.1.2 分离主体对象 ................................................................................................................................................................012
1.2 为什么要学抠图.................................................................................013
1.2.1 平面设计相关从业者 .....................................................................................................................................................013
1.2.2 平面设计爱好者 ............................................................................................................................................................015
1.3 抠图总方略.......................................................................................016
1.3.1 分多次抠图 ...................................................................................................................................................................017
1.3.2 从宏观上把控整体效果 .................................................................................................................................................019
1.3.3 一招鲜,吃遍天 .............................................................................................................................................................020
第 2章 抠图的力量源泉——选区.............................021
2.1 选区的概念与原理.............................................................................022
2.1.1 选区的概念 ...................................................................................................................................................................022
案例训练:更换笔记本电脑壁纸 ............................................................................................................................................022
案例训练:更换裙子换色 .......................................................................................................................................................025
2.1.2 选区的原理 ...................................................................................................................................................................027
2.2 选区的创建.....................................................................................028
2.2.1 分析图像 .......................................................................................................................................................................029
2.2.2 创建的方式 ...................................................................................................................................................................032
2.3 选区的存储.....................................................................................035
2.3.1 存储在Alpha通道中.......................................................................................................................................................036
2.3.2 存储在路径中 ................................................................................................................................................................036
2.3.3 存储在蒙版中 ................................................................................................................................................................036
2.4 选区的编辑.....................................................................................037
2.4.1 选区的基本操作 ............................................................................................................................................................037
2.4.2 选区的修改 ...................................................................................................................................................................039
2.4.3 选区的布尔运算 ............................................................................................................................................................040
第3章 快速抠图技法..........................................041
3.1 “选择并遮住”命令............................................................................042
3.1.1 工具栏 ...........................................................................................................................................................................043
3.1.2 快速选择工具 ................................................................................................................................................................043