(网页设计版式与网页配色PPT74.ppt

1.图像的格式 　　Web通常使用两种图像格式：GIF和JPEG。除此以外，还有两种适合网络传播但没有被广泛应用的图像格式：PNG和MNG。  Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 2.图像的形式 　　同印刷排版一样，静态图像在网页排版中的运用不外乎四种形式：方形图、退底图、出血图以及这三种形式的结合使用。  Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 　 （1）方形图 　即图形以直线边框来规范和限制，是一种最常见、最简洁、最单纯的形态。方形图使图像内容更突出且将主体形象与环境共融，可以完整地传达主题思想，富有感染性。配置方形图的页面，给人以稳重、可信、严谨、理性、庄重和安静等感觉，但有时也显得平淡、呆板。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.  图9：典型的方形图，四周留出边框，使图片内容突出。  Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. （2）退底图　将图像中的背景去掉，只留下主题形象。退底图形自由而突出，更具有个性，因而给人印象深刻。配置退底图的页面，轻松、活泼，动态十足，而且图文结合自然，给人以亲和感。但也容易造成凌乱和不整体的感觉。  Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 图10：人物全部退底，文字色块的安排轻松随意，是面向年轻人的设计。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. （3）出血图 　 图像的一边或几个边充满页面，有向外扩张和舒展之势。一般用于传达抒情或运动信息的页面，因不受边框限制，感觉上与人更加接近，便于情感与动感的发挥。  Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Pro