88 lines
2.9 KiB
Rust
88 lines
2.9 KiB
Rust
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// pathfinder/utils/svg-to-skia/src/main.rs
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//
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// Copyright © 2019 The Pathfinder Project Developers.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::env;
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use usvg::{Node, NodeKind, Options, Paint, PathSegment, Tree};
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fn main() {
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let input_path = env::args().skip(1).next().unwrap();
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let tree = Tree::from_file(&input_path, &Options::default()).unwrap();
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println!("#ifndef PAINT_H");
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println!("#define PAINT_H");
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println!("static void paint(SkCanvas *canvas) {{");
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println!(" SkPaint paint;");
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println!(" SkPath path;");
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println!(" paint.setAntiAlias(true);");
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println!(" canvas->clear(SK_ColorWHITE);");
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let root = &tree.root();
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match *root.borrow() {
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NodeKind::Svg(_) => {
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for kid in root.children() {
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process_node(&kid);
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}
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}
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_ => unreachable!(),
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}
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println!("}}");
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println!("#endif");
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}
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fn process_node(node: &Node) {
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match *node.borrow() {
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NodeKind::Group(_) => {
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for kid in node.children() {
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process_node(&kid)
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}
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}
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NodeKind::Path(ref path) => {
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for segment in path.segments.iter() {
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match segment {
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PathSegment::MoveTo { x, y } => println!(" path.moveTo({}, {});", x, y),
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PathSegment::LineTo { x, y } => println!(" path.lineTo({}, {});", x, y),
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PathSegment::CurveTo { x1, y1, x2, y2, x, y } => {
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println!(" path.cubicTo({}, {}, {}, {}, {}, {});",
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x1, y1, x2, y2, x, y);
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}
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PathSegment::ClosePath => println!(" path.close();"),
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}
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}
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if let Some(ref fill) = path.fill {
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set_color(&fill.paint);
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println!(" paint.setStyle(SkPaint::kFill_Style);");
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println!(" canvas->drawPath(path, paint);");
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}
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if let Some(ref stroke) = path.stroke {
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set_color(&stroke.paint);
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println!(" paint.setStrokeWidth({});", stroke.width.value());
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println!(" paint.setStyle(SkPaint::kStroke_Style);");
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println!(" canvas->drawPath(path, paint);");
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}
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println!(" path.reset();");
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}
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_ => {}
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}
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}
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fn set_color(paint: &Paint) {
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if let Paint::Color(color) = *paint {
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println!(" paint.setColor(0x{:x});",
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((color.red as u32) << 16) |
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((color.green as u32) << 8) |
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((color.blue as u32) << 0) |
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(0xff << 24));
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}
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}
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