rust-piston | 易学教程

What is GlyphCache type in a function to render text in Piston2d

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问题 I am trying to write a separate function to render text using piston2d. Taking the hello_world.rs example, I am trying to extend that to allow me to render text from within a function. Here is the code that I wrote: extern crate piston_window; extern crate find_folder; use piston_window::*; fn main() { let mut window: PistonWindow = WindowSettings::new( "piston: try to render text", [200, 200] ) .exit_on_esc(true) .build() .unwrap(); let assets = find_folder::Search::ParentsThenKids(3, 3)

How do I encode a Rust Piston image and get the result in memory?

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问题 I am using the Piston image package to generate images. fn get_image() -> image::DynamicImage { image::DynamicImage::ImageRgba8(image::ImageBuffer::new(512, 512)) } I have a hyper web server, from which I would like to serve dynamically-generated images. Based on the answer to How to create an in-memory object that can be used as a Reader or Writer in Rust? , I thought I might be able to use a Cursor<Vec<u8>> as the destination. However, image only seems to provide a method to write to a

How do I encode a Rust Piston image and get the result in memory?

阅读更多关于 How do I encode a Rust Piston image and get the result in memory?

I am using the Piston image package to generate images. fn get_image() -> image::DynamicImage { image::DynamicImage::ImageRgba8(image::ImageBuffer::new(512, 512)) } I have a hyper web server , from which I would like to serve dynamically-generated images. Based on the answer to How to create an in-memory object that can be used as a Reader or Writer in Rust? , I thought I might be able to use a Cursor<Vec<u8>> as the destination. However, image only seems to provide a method to write to a filename, not a Writer like my cursor. After looking through image 's documentation, I hoped there might