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12b58af1b1
This is limited to resvg's FitTo::Width though, so the aspect ratio will always be preserved. This might however be desirable anyway. Relates to #129
36 lines
1.4 KiB
Rust
36 lines
1.4 KiB
Rust
/* LICENSE BEGIN
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This file is part of the SixtyFPS Project -- https://sixtyfps.io
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Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
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Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
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SPDX-License-Identifier: GPL-3.0-only
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This file is also available under commercial licensing terms.
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Please contact info@sixtyfps.io for more information.
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LICENSE END */
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#![cfg(feature = "svg")]
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#[cfg(not(target_arch = "wasm32"))]
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pub fn load_from_path(path: &std::path::Path) -> Result<usvg::Tree, usvg::Error> {
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usvg::Tree::from_file(path, &Default::default())
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}
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pub fn load_from_data(slice: &[u8]) -> Result<usvg::Tree, usvg::Error> {
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usvg::Tree::from_data(slice, &Default::default())
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}
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pub fn render(
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tree: &usvg::Tree,
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size: euclid::default::Size2D<u32>,
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) -> Result<image::DynamicImage, usvg::Error> {
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let mut buffer =
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vec![0u8; size.width as usize * size.height as usize * tiny_skia::BYTES_PER_PIXEL];
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let skya_buffer =
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tiny_skia::PixmapMut::from_bytes(buffer.as_mut_slice(), size.width, size.height)
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.ok_or(usvg::Error::InvalidSize)?;
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// FIXME: resvg doesn't support scaling to width/height, just fit to width.
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resvg::render(&tree, usvg::FitTo::Width(size.width), skya_buffer);
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Ok(image::DynamicImage::ImageRgba8(
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image::RgbaImage::from_raw(size.width, size.height, buffer)
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.ok_or(usvg::Error::InvalidSize)?,
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))
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}
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