rgba保存为什么图片格式?
你好,rgba一般保存为.png或.webp格式的图片。这是因为这两种格式都支持透明度,可以保留图像中的透明度信息。而.jpg格式不支持透明度,会将透明部分自动填充为白色或黑色,...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
PNG-8、2来自4、32区别介绍
知名图片压缩格式PNG,在使用大部分制图软件导出时可以选择PNG-8,PNG-24或者PNG-32。本文将介绍这三种PNG之间有什么不同。首先要是亲坚评概假温象请北袁想要完整的保...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
视觉,VR,COS,非主流,谁了解是什么?
非主流就是张扬个性、另类、非大众化,不编盲从当今大众的潮流,讲究符合自己心性的服装、衣着、言行.非主流意味着并不是最流行的东西...也就是相对超前的或者滞后的从人数上讲,追求非主...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
背景图片渲染时有色块怎么办
有时候你可能发现设置了背景图片之后,在屏幕上的效果不太理想,主要表现为颜色过渡不平滑,色块现象比较严重.主要原因是因为WiEngine底层设置OpenGL的相歌级空落确程轻想缓冲...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
一个操作让游戏内存立减50+%-CocosCreator性能优化之压缩纹理
在游戏中,纹理不仅占据大量的包体,也占据了大量的内存。传统的图片压缩格式(如JPEG、PNG等)虽能减少资源大小,但是不能被GPU直接识别,还是需要先加载到来自内存通过CPU解码...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
如何优化cocos2d程序的内存使用和程序大小
什么消耗了90%的内存?大家猜一下:)在大部分情况下,是纹理(textures)消耗了游戏程序大量的内存。因此,纹理是我们首要考虑优化的对象,特别是当你碰到内存警告的问题的时候。...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
如何用Ca科切实距油量运季响nvas绘制多种图形
HTML5的标准已经出来好久了,但是似乎其中的Canvas现在并来自没有在太多的地方用到。一个审水进矿房全预仍很重要的原因是,Canvas的标准还没有完全卷谁结鲁燃夫确定,不适合...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
可视化技术的简来自介
什么是可视化?种类繁多的信息源产生的大量数据,远远超出了人脑分析解释这些数据的能力。由于缺乏大量数据的有效分析手段,大约有95%的计算被浪费,这严重阻碍了科360问答学研究的进展...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
************试用手记,网页3D的时代何时来临
世*左龙得左一:js效率这个是我之前最担将族总热烧心的。我们的产品得益于PhysX的超强效率,实现了动态场景的快速烘焙(间接光预运算),编码成js之后,PhysX的效率究竟如何?...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
************试用手记,网页3D的时代何时来临
一:js效率这个是我之前最担心的。我们的产品得益于PhysX的超强效率,实现了动态来自场景的快速烘焙(间接光预运算)360问答,编码成js之后,PhysX的效率究竟如何?实验结果...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
ue5360插件渲染只能渲染几帧就不能渲染了
使用RenderDoc在编辑器中捕捉了一帧。一个实际游戏里的渲染流程和这个可能不一静职样,但通过捕捉到的数据我们可以粗略地窥见UE4是怎么渲染一帧的。声明:以下分析基于GPU捕捉...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
什么是虚拟三核已的零迅现实技术和可视化技术?
虚拟现实虚拟现实技术,涉及计算机图形学、人机交互技术、传感技术、人工智能等领域,来自它用计算机生成逼真的三维视、听、嗅觉等感觉,使人作为参与者通过适当装置,自然地对虚拟世界进行体...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)
如何改格式
可以使用一个名为Mulde的大侠网友,自己做的一个Creator矛口规高映营概终内燃插件,可以直接在Creator中完成转换工作,实际上还是用的o明员盟束失比有承半我bjcong...
展开阅读全文 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAG1BMVEUAAABuk71wj79vkr1wj79wn79vlL1vk75vk73EmhGbAAAACHRSTlMA0BDfIBDfv/U9wHQAAABISURBVBjTY6AlYBOC0OEJQIK9UQHEZpUQAJJMEmCpQIiYIohiBQlBpKASUCmwBETKQiiw2QFmunOjhAncKhYLkARcCihBWwAA5n0JqdkCrS4AAAAASUVORK5CYII=)
收起 ![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYBAMAAAASWSDLAAAAHlBMVEUAAABuk71wj79vlL1wl79wn79vkr1vlL5vk75vk71klGr6AAAACXRSTlMA0BDfIBDfv7/eQcl1AAAARklEQVQY02OgNXA2QbBZLCc7ICQmSpogJIQUJytAOYETFZgkhSBsVhBDcaICRAJEA6XgEjApRhAJkmoAkmxFEK2KCQw0BAA5Lgp0ywp4owAAAABJRU5ErkJggg==)