Grcov report - mod.rs

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pub mod compare_surfaces;

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pub mod reference_utils;

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use cairo;

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use gio;

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use glib;

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use std::env;

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use std::path::PathBuf;

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use std::sync::Once;

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use crate::{

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    surface_utils::shared_surface::{SharedImageSurface, SurfaceType},

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    CairoRenderer, Loader, LoadingError, RenderingError, SvgHandle,

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};

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pub fn load_svg(input: &'static [u8]) -> Result<SvgHandle, LoadingError> {

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    let bytes = glib::Bytes::from_static(input);

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    let stream = gio::MemoryInputStream::from_bytes(&bytes);

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    Loader::new().read_stream(&stream, None::<&gio::File>, None::<&gio::Cancellable>)

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#[derive(Copy, Clone)]

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pub struct SurfaceSize(pub i32, pub i32);

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pub fn render_document<F: FnOnce(&cairo::Context)>(

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    svg: &SvgHandle,

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    surface_size: SurfaceSize,

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    cr_transform: F,

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    viewport: cairo::Rectangle,

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) -> Result<SharedImageSurface, RenderingError> {

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    let renderer = CairoRenderer::new(svg);

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    let SurfaceSize(width, height) = surface_size;

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    let output = cairo::ImageSurface::create(cairo::Format::ARgb32, width, height).unwrap();

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    let res = {

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        let cr = cairo::Context::new(&output).expect("Failed to create a cairo context");

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        cr_transform(&cr);

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        Ok(renderer.render_document(&cr, &viewport)?)

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};

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    res.and_then(|_| Ok(SharedImageSurface::wrap(output, SurfaceType::SRgb)?))

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#[cfg(all(

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    all(not(target_os = "macos"), not(target_os = "windows")),

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    system_deps_have_fontconfig,

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    system_deps_have_pangoft2

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))]

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mod pango_ft2 {

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    use super::*;

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    use glib::prelude::*;

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    use glib::translate::*;

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    use libc;

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    use pangocairo::FontMap;

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    use std::ffi::CString;

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    extern "C" {

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        // pango_fc_font_map_set_config (PangoFcFontMap *fcfontmap,

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        //                               FcConfig       *fcconfig);

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        // This is not bound in gtk-rs, and PangoFcFontMap is not even exposed, so we'll bind it by hand.

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        fn pango_fc_font_map_set_config(

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            font_map: *mut libc::c_void,

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            config: *mut fontconfig_sys::FcConfig,

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);

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    pub unsafe fn load_test_fonts() {

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        let tests_resources_path: PathBuf = [

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            env::var("CARGO_MANIFEST_DIR")

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                .expect("Manifest directory unknown")

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                .as_str(),

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            "tests",

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            "resources",

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        .iter()

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        .collect();

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        let config = fontconfig_sys::FcConfigCreate();

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        if fontconfig_sys::FcConfigSetCurrent(config) == 0 {

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            panic!("Could not set a fontconfig configuration");

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        let fonts_dot_conf_path = tests_resources_path.clone().join("fonts.conf");

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        let fonts_dot_conf_cstring = CString::new(fonts_dot_conf_path.to_str().unwrap()).unwrap();

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        if fontconfig_sys::FcConfigParseAndLoad(config, fonts_dot_conf_cstring.as_ptr().cast(), 1)

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            == 0

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            panic!("Could not parse fontconfig configuration from tests/resources/fonts.conf");

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        let tests_resources_cstring = CString::new(tests_resources_path.to_str().unwrap()).unwrap();

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        if fontconfig_sys::FcConfigAppFontAddDir(config, tests_resources_cstring.as_ptr().cast())

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            == 0

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            panic!("Could not load fonts from directory tests/resources");

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        let font_map = FontMap::for_font_type(cairo::FontType::FontTypeFt).unwrap();

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        let raw_font_map: *mut pango::ffi::PangoFontMap = font_map.to_glib_none().0;

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        pango_fc_font_map_set_config(raw_font_map as *mut _, config);

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        fontconfig_sys::FcConfigDestroy(config);

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        FontMap::set_default(Some(&font_map.downcast::<pangocairo::FontMap>().unwrap()));

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#[cfg(all(

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    all(not(target_os = "macos"), not(target_os = "windows")),

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    system_deps_have_fontconfig,

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    system_deps_have_pangoft2

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))]

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pub fn setup_font_map() {

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    unsafe {

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        self::pango_ft2::load_test_fonts();

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#[cfg(any(

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    any(target_os = "macos", target_os = "windows"),

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    not(system_deps_have_fontconfig),

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    not(system_deps_have_pangoft2)

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))]

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pub fn setup_font_map() {}

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pub fn setup_language() {

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    static ONCE: Once = Once::new();

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    ONCE.call_once(|| {

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        // For systemLanguage attribute tests.

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        // The trailing ":" is intentional to test gitlab#425.

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        env::set_var("LANGUAGE", "de:en_US:en:");

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        env::set_var("LC_ALL", "de:en_US:en:");

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});

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