560 lines
15 KiB
Rust
560 lines
15 KiB
Rust
use rsvg::{CairoRenderer, IntrinsicDimensions, Length, LengthUnit, RenderingError};
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use rsvg::test_utils::reference_utils::{Compare, Evaluate, Reference};
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use rsvg::test_utils::{SurfaceSize, load_svg, render_document};
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#[test]
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fn no_intrinsic_dimensions() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg"/>
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"#,
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)
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.unwrap();
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assert_eq!(
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CairoRenderer::new(&svg).intrinsic_dimensions(),
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IntrinsicDimensions {
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width: Length::new(1.0, LengthUnit::Percent),
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height: Length::new(1.0, LengthUnit::Percent),
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vbox: None,
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}
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);
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}
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#[test]
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fn has_intrinsic_dimensions() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="10cm" height="20" viewBox="0 0 100 200"/>
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"#,
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)
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.unwrap();
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assert_eq!(
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CairoRenderer::new(&svg).intrinsic_dimensions(),
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IntrinsicDimensions {
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width: Length::new(10.0, LengthUnit::Cm),
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height: Length::new(20.0, LengthUnit::Px),
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vbox: Some(cairo::Rectangle::new(0.0, 0.0, 100.0, 200.0)),
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}
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);
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}
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#[test]
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fn intrinsic_size_in_pixels() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="10" height="20" viewBox="0 0 100 200"/>
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"#,
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)
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.unwrap();
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assert_eq!(
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CairoRenderer::new(&svg).intrinsic_size_in_pixels(),
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Some((10.0, 20.0)),
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);
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}
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#[test]
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fn no_intrinsic_size_in_pixels_with_percent_dimensions() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 100 200"/>
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"#,
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)
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.unwrap();
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assert_eq!(CairoRenderer::new(&svg).intrinsic_size_in_pixels(), None);
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}
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#[test]
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fn no_intrinsic_size_in_pixels_with_no_dimensions() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 200"/>
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"#,
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)
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.unwrap();
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assert_eq!(CairoRenderer::new(&svg).intrinsic_size_in_pixels(), None);
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}
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#[test]
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fn no_intrinsic_size_in_pixels_with_one_missing_dimension() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100" viewBox="0 0 100 200"/>
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"#,
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)
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.unwrap();
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assert_eq!(CairoRenderer::new(&svg).intrinsic_size_in_pixels(), None);
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}
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#[test]
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fn root_geometry_with_percent_viewport() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
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<rect x="10" y="20" width="30" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer.geometry_for_layer(None, &viewport).unwrap();
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let rect = cairo::Rectangle::new(10.0, 20.0, 30.0, 40.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_with_offset_viewport() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
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<rect x="10" y="20" width="30" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(100.0, 100.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer.geometry_for_layer(None, &viewport).unwrap();
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let rect = cairo::Rectangle::new(110.0, 120.0, 30.0, 40.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_with_viewbox_and_offset_viewport() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="100 100 100 100">
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<rect x="110" y="120" width="30" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(100.0, 100.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer.geometry_for_layer(None, &viewport).unwrap();
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let rect = cairo::Rectangle::new(110.0, 120.0, 30.0, 40.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_with_no_width_height() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="100 100 200 200">
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<rect x="110" y="120" width="30" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(100.0, 100.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer.geometry_for_layer(None, &viewport).unwrap();
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let rect = cairo::Rectangle::new(105.0, 110.0, 15.0, 20.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_with_no_intrinsic_dimensions() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg">
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<rect x="110" y="120" width="50" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(100.0, 100.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer.geometry_for_layer(None, &viewport).unwrap();
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// The SVG document above has no width/height nor viewBox, which means it should
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// start with an identity transform for its coordinate space. Since the viewport
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// is just offset by (100, 100), this just translates the coordinates of the <rect>.
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let rect = cairo::Rectangle::new(210.0, 220.0, 50.0, 40.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_with_percentage_viewport() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="50%">
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<rect x="10" y="20" width="50" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(100.0, 100.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer.geometry_for_layer(None, &viewport).unwrap();
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// Lack of viewBox means we use an identity transform, so the <rect> is just
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// offset by (100, 100) because of the viewport.
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let rect = cairo::Rectangle::new(110.0, 120.0, 50.0, 40.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_with_percent_viewport() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%">
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<rect id="foo" x="10" y="20" width="30" height="40"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0);
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let (ink_r, logical_r) = renderer
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.geometry_for_layer(Some("#foo"), &viewport)
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.unwrap();
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let rect = cairo::Rectangle::new(10.0, 20.0, 30.0, 40.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_viewport_viewbox() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100" height="400" viewBox="0 0 100 400">
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<rect id="one" x="0" y="0" width="100" height="200" fill="rgb(0,255,0)"/>
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<rect id="two" x="0" y="200" width="100" height="200" fill="rgb(0,0,255)"/>
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</svg>
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"#,
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)
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.unwrap();
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let renderer = CairoRenderer::new(&svg);
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let viewport = cairo::Rectangle::new(0.0, 0.0, 100.0, 400.0);
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let (ink_r, logical_r) = renderer
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.geometry_for_layer(Some("#two"), &viewport)
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.unwrap();
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let rect = cairo::Rectangle::new(0.0, 200.0, 100.0, 200.0);
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assert_eq!((ink_r, logical_r), (rect, rect));
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}
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#[test]
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fn layer_geometry_for_nonexistent_element() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"/>
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"#,
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)
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.unwrap();
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let viewport = cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0);
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let renderer = CairoRenderer::new(&svg);
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assert!(matches!(
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renderer.geometry_for_layer(Some("#foo"), &viewport),
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Err(RenderingError::IdNotFound)
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));
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}
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#[test]
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fn layer_geometry_for_invalid_id() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"/>
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"#,
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)
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.unwrap();
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let viewport = cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0);
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let renderer = CairoRenderer::new(&svg);
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assert!(matches!(
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renderer.geometry_for_layer(Some("foo"), &viewport),
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Err(RenderingError::InvalidId(_))
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));
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assert!(matches!(
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renderer.geometry_for_layer(Some("foo.svg#foo"), &viewport),
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Err(RenderingError::InvalidId(_))
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));
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assert!(matches!(
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renderer.geometry_for_layer(Some(""), &viewport),
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Err(RenderingError::InvalidId(_))
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));
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}
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#[test]
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fn render_to_viewport_with_different_size() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48">
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<rect x="8" y="8" width="32" height="32" fill="blue"/>
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</svg>
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"#,
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)
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.unwrap();
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let output_surf = render_document(
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&svg,
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SurfaceSize(128, 128),
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|_cr| (),
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cairo::Rectangle::new(0.0, 0.0, 128.0, 128.0),
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)
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.unwrap();
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let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 128, 128).unwrap();
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{
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let cr = cairo::Context::new(&reference_surf).expect("Failed to create a cairo context");
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cr.scale(128.0 / 48.0, 128.0 / 48.0);
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cr.rectangle(8.0, 8.0, 32.0, 32.0);
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cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);
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cr.fill().unwrap();
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}
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Reference::from_surface(reference_surf)
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.compare(&output_surf)
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.evaluate(&output_surf, "render_to_viewport_with_different_size");
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}
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#[test]
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fn render_to_offsetted_viewport() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48">
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<rect x="8" y="8" width="32" height="32" fill="blue"/>
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</svg>
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"#,
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)
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.unwrap();
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let output_surf = render_document(
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&svg,
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SurfaceSize(100, 100),
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|_cr| (),
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cairo::Rectangle::new(10.0, 20.0, 48.0, 48.0),
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)
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.unwrap();
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let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 100, 100).unwrap();
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{
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let cr = cairo::Context::new(&reference_surf).expect("Failed to create a cairo context");
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cr.translate(10.0, 20.0);
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cr.rectangle(8.0, 8.0, 32.0, 32.0);
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cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);
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cr.fill().unwrap();
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}
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Reference::from_surface(reference_surf)
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.compare(&output_surf)
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.evaluate(&output_surf, "render_to_offsetted_viewport");
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}
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#[test]
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fn render_to_viewport_with_transform() {
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let svg = load_svg(
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br#"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48">
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<g transform="translate(-10, -10)">
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<path fill="blue" d="M 18 18 l 32 0 l 0 32 l -32 0 z"/>
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</g>
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</svg>
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"#,
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)
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.unwrap();
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let output_surf = render_document(
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&svg,
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SurfaceSize(100, 100),
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|cr| cr.translate(10.0, 20.0),
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cairo::Rectangle::new(0.0, 0.0, 48.0, 48.0),
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)
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.unwrap();
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let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 100, 100).unwrap();
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{
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let cr = cairo::Context::new(&reference_surf).expect("Failed to create a cairo context");
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cr.translate(10.0, 20.0);
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cr.translate(-10.0, -10.0);
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cr.rectangle(18.0, 18.0, 32.0, 32.0);
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cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);
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cr.fill().unwrap();
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}
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Reference::from_surface(reference_surf)
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.compare(&output_surf)
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.evaluate(&output_surf, "render_to_viewport_with_transform");
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}
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#[test]
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fn clip_on_transformed_viewport() {
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let svg = load_svg(
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br##"<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
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<defs>
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<clipPath id="one" clipPathUnits="objectBoundingBox">
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<path d="M 0.5 0.0 L 1.0 0.5 L 0.5 1.0 L 0.0 0.5 Z"/>
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</clipPath>
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</defs>
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<g clip-path="url(#one)">
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<rect x="10" y="10" width="40" height="40" fill="blue"/>
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<rect x="50" y="50" width="40" height="40" fill="#00ff00"/>
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</g>
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</svg>
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"##,
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)
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.unwrap();
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let output_surf = render_document(
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&svg,
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SurfaceSize(200, 200),
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|cr| cr.translate(50.0, 50.0),
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cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0),
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)
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.unwrap();
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let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 200, 200).unwrap();
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{
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let cr = cairo::Context::new(&reference_surf).expect("Failed to create a cairo context");
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cr.translate(50.0, 50.0);
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cr.push_group();
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cr.rectangle(10.0, 10.0, 40.0, 40.0);
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cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);
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cr.fill().unwrap();
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cr.rectangle(50.0, 50.0, 40.0, 40.0);
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cr.set_source_rgba(0.0, 1.0, 0.0, 1.0);
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cr.fill().unwrap();
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cr.pop_group_to_source().unwrap();
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cr.move_to(50.0, 10.0);
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cr.line_to(90.0, 50.0);
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cr.line_to(50.0, 90.0);
|
|
cr.line_to(10.0, 50.0);
|
|
cr.close_path();
|
|
|
|
cr.clip();
|
|
cr.paint().unwrap();
|
|
}
|
|
|
|
Reference::from_surface(reference_surf)
|
|
.compare(&output_surf)
|
|
.evaluate(&output_surf, "clip_on_transformed_viewport");
|
|
}
|
|
|
|
#[test]
|
|
fn mask_on_transformed_viewport() {
|
|
let svg = load_svg(
|
|
br##"<?xml version="1.0" encoding="UTF-8"?>
|
|
<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
|
|
<defs>
|
|
<mask id="one" maskContentUnits="objectBoundingBox">
|
|
<path d="M 0.5 0.0 L 1.0 0.5 L 0.5 1.0 L 0.0 0.5 Z" fill="white"/>
|
|
</mask>
|
|
</defs>
|
|
<g mask="url(#one)">
|
|
<rect x="10" y="10" width="40" height="40" fill="blue"/>
|
|
<rect x="50" y="50" width="40" height="40" fill="#00ff00"/>
|
|
</g>
|
|
</svg>
|
|
"##,
|
|
)
|
|
.unwrap();
|
|
|
|
let output_surf = render_document(
|
|
&svg,
|
|
SurfaceSize(200, 200),
|
|
|cr| cr.translate(50.0, 50.0),
|
|
cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0),
|
|
)
|
|
.unwrap();
|
|
|
|
let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 200, 200).unwrap();
|
|
|
|
{
|
|
let cr = cairo::Context::new(&reference_surf).expect("Failed to create a cairo context");
|
|
|
|
cr.translate(50.0, 50.0);
|
|
|
|
cr.push_group();
|
|
|
|
cr.rectangle(10.0, 10.0, 40.0, 40.0);
|
|
cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);
|
|
cr.fill().unwrap();
|
|
|
|
cr.rectangle(50.0, 50.0, 40.0, 40.0);
|
|
cr.set_source_rgba(0.0, 1.0, 0.0, 1.0);
|
|
cr.fill().unwrap();
|
|
|
|
cr.pop_group_to_source().unwrap();
|
|
|
|
cr.move_to(50.0, 10.0);
|
|
cr.line_to(90.0, 50.0);
|
|
cr.line_to(50.0, 90.0);
|
|
cr.line_to(10.0, 50.0);
|
|
cr.close_path();
|
|
|
|
cr.clip();
|
|
cr.paint().unwrap();
|
|
}
|
|
|
|
Reference::from_surface(reference_surf)
|
|
.compare(&output_surf)
|
|
.evaluate(&output_surf, "mask_on_transformed_viewport");
|
|
}
|