C++で簡単に使える画像読み込みライブラリが欲しかったので。 Official site 対応フォーマット http://freeimage.sourceforge.net/features.html のSUPPORTED FORMATを参照。有名どころは使える。 サンプル #include<iostream> #include<FreeImage.h> int main() { std::cout << "FreeImage ver. " << FreeImage_GetVersion() << std::endl; std::cout << FreeImage_GetCopyrightMessage() << std::endl; try { // GIF画像を読み込み auto filename = "lena_color.gif"; auto image = std::shared
![FreeImageで画像の読み込みと保存 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/a68bef6b891fc6dc6fa8eb861cc0fa4dfc9e9409/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9RnJlZUltYWdlJUUzJTgxJUE3JUU3JTk0JUJCJUU1JTgzJThGJUUzJTgxJUFFJUU4JUFBJUFEJUUzJTgxJUJGJUU4JUJFJUJDJUUzJTgxJUJGJUUzJTgxJUE4JUU0JUJGJTlEJUU1JUFEJTk4JnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz04MGU0N2MzM2EzNzg3MDJlNTE4MDE5YzY2NDZmOWZkNg%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBiamFtX2hhX25haSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NzEwYzQzMmFkNzcyODc5N2UwYmQ4MjAzYjNhMWI1YmE%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3D1ea0a93f85784b0495efb9382691ee52)