ADOBE_PHOTOSHOP_培训教程 ADOBE_PHOTOSHOP_培训教程ADOBE_PHOTOSHOP_培训教程ADOBE_PHOTOSHOP_培训教程ADOBE_PHOTOSHOP_培训教程3.4.3修改画布大小 3.5小结47 第4章选取图象48 41基本选取工具48 4.1.1面罩工具48 41.2套索工具49 4.1.3魔术棒工具50 4.1.4选定颜色范围51 4.2高级操作52 4.2.1移动选取范围52 4.2.2增减选取范围53 4.2.3修改选取范围54 4.2.4选