在网页中常常需要使用索引模式的图像。 ⑥Bitmap(位图)色彩模式 位图模式的图像只有黑色与白色两种像素组成,每一个像素用“位”来表示。“位”只有两种状态:0表示有点,1表示无点。位图模式主要用于早期不能识别颜色和灰度的设备。如果需要表示灰度,则需要通过点的抖动来模拟。 位图模式通常用于文字识别,如果扫描需要...
creating a photograph or highly detailed image in vector will never look as good or work as effectively as a high resolution bitmap. Vector images used correctly can make stunning graphics used at any size, but there are limits.
Bit map or Raster images are common images created with pixel-based programs or captured with a camera or scanner. Vector graphics are created with vector software and are common for images that will be applied onto a physical product.
Scalable Vector Graphics and bitmap rendering using FlexSandeep Malik
PNG(Portable Network Graphics) The third of the “Internet” bitmap image formats, which is still relatively not much popular. From historical perspective, it is a successor of the GIF format. Most liked by the creators of web pages because of its intelligent transparency handling: you can rou...
Easily convert JPG, PNG, BMP, GIF bitmap images to SVG, EPS, PDF, AI, DXF vector images with real full-color tracing, online or using the desktop app!
of 16.7 millions of colors, while GIF uses only 256, which makes scalable vector graphics the ideal choice for web pages (animated illustrations, logos, icons, etc.). Knowing the key differences between the two will shed a bright light on which is better suited for your design roadmap!
Raster and vector graphics formats are both useful in the right situation. Learn the difference, and choose the right one for your next design project.
对于静态矢量,绘图阶段只需执行一次,然后可以缓存为Bitmap。对于动画矢量,就无法进行此优化,因为它们的属性必然会发生变化,需要重新绘制。 将其与像 PNG 这样只需要解码文件内容的位图资源进行比较,这些资源随着时间的推移已经经过高度优化。 这是位图与矢量图的基本权衡。矢量图提供上述好处,但代价是渲染更加昂贵。在 ...
bitmap images may be more common overall, but vectors have a very well-carved out niche in the design world, making them a must-have skill for any designer. Vector graphics have shaped how we create modern graphics destined for the internet, and they have streamlined animation art. They've...