Impl freetype use, bindgen for fontconfig
TODO: fontconfig
This commit is contained in:
parent
ab604b34ee
commit
1d9342d8f5
6 changed files with 293 additions and 45 deletions
137
Cargo.lock
generated
137
Cargo.lock
generated
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@ -30,6 +30,15 @@ version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
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[[package]]
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name = "aho-corasick"
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version = "0.7.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "alsa"
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version = "0.6.0"
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@ -120,21 +129,26 @@ checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
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[[package]]
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name = "bindgen"
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version = "0.59.2"
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version = "0.53.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2bd2a9a458e8f4304c52c43ebb0cfbd520289f8379a52e329a38afda99bf8eb8"
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checksum = "c72a978d268b1d70b0e963217e60fdabd9523a941457a6c42a7315d15c7e89e5"
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dependencies = [
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"bitflags",
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"cexpr",
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"cfg-if 0.1.10",
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"clang-sys",
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"clap",
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"env_logger",
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"lazy_static",
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"lazycell",
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"log",
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"peeking_take_while",
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"proc-macro2",
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"quote",
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"regex",
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"rustc-hash",
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"shlex",
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"which",
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]
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[[package]]
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@ -264,11 +278,11 @@ checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
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[[package]]
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name = "cexpr"
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version = "0.6.0"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
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checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27"
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dependencies = [
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"nom",
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"nom 5.1.2",
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]
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[[package]]
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@ -294,13 +308,13 @@ dependencies = [
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[[package]]
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name = "clang-sys"
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version = "1.3.3"
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version = "0.29.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5a050e2153c5be08febd6734e29298e844fdb0fa21aeddd63b4eb7baa106c69b"
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checksum = "fe6837df1d5cba2397b835c8530f51723267e16abbf83892e9e5af4f0e5dd10a"
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dependencies = [
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"glob",
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"libc",
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"libloading 0.7.3",
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"libloading 0.5.2",
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]
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[[package]]
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@ -380,12 +394,6 @@ dependencies = [
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"memchr",
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]
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[[package]]
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name = "const-cstr"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ed3d0b5ff30645a68f35ece8cea4556ca14ef8a1651455f789a099a0513532a6"
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[[package]]
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name = "core-foundation"
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version = "0.6.4"
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@ -496,9 +504,9 @@ dependencies = [
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[[package]]
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name = "coreaudio-sys"
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version = "0.2.10"
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version = "0.2.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3dff444d80630d7073077d38d40b4501fd518bd2b922c2a55edcc8b0f7be57e6"
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checksum = "17f73df0f29f4c3c374854f076c47dc018f19acaa63538880dba0937ad4fa8d7"
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dependencies = [
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"bindgen",
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]
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@ -781,6 +789,19 @@ version = "1.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f107b87b6afc2a64fd13cac55fe06d6c8859f12d4b14cbcdd2c67d0976781be"
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[[package]]
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name = "env_logger"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
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dependencies = [
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"atty",
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"humantime",
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"log",
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"regex",
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"termcolor",
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]
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[[package]]
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name = "error-chain"
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version = "0.12.4"
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@ -862,15 +883,6 @@ version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
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[[package]]
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name = "fontconfig"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a25320ad784a9578ada0b395dd7dcd2321109404bbb341ec27e64b01a1e49b47"
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dependencies = [
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"yeslogic-fontconfig-sys",
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]
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[[package]]
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name = "foreign-types"
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version = "0.3.2"
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@ -1215,6 +1227,15 @@ version = "3.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8a164bb2ceaeff4f42542bdb847c41517c78a60f5649671b2a07312b6e117549"
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[[package]]
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name = "humantime"
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version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
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dependencies = [
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"quick-error",
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]
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[[package]]
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name = "ident_case"
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version = "1.0.1"
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@ -1385,6 +1406,16 @@ version = "0.2.126"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
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[[package]]
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name = "libloading"
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version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f2b111a074963af1d37a139918ac6d49ad1d0d5e47f72fd55388619691a7d753"
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dependencies = [
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"cc",
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"winapi",
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]
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[[package]]
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name = "libloading"
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version = "0.6.7"
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@ -1639,7 +1670,7 @@ dependencies = [
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name = "mpd_info_screen"
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version = "0.2.20"
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dependencies = [
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"fontconfig",
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"bindgen",
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"freetype",
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"ggez",
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"image 0.24.3",
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@ -1793,6 +1824,16 @@ dependencies = [
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"memoffset",
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]
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[[package]]
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name = "nom"
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version = "5.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
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dependencies = [
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"memchr",
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"version_check",
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]
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[[package]]
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name = "nom"
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version = "7.1.1"
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@ -2156,6 +2197,12 @@ dependencies = [
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"unicase",
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]
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[[package]]
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name = "quick-error"
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version = "1.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
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[[package]]
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name = "quote"
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version = "1.0.20"
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@ -2264,6 +2311,8 @@ version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax",
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]
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@ -2446,9 +2495,9 @@ dependencies = [
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[[package]]
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name = "shlex"
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version = "1.1.0"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
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checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
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[[package]]
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name = "sid"
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@ -2660,6 +2709,15 @@ dependencies = [
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"winapi",
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]
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[[package]]
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name = "termcolor"
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version = "1.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
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dependencies = [
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"winapi-util",
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]
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[[package]]
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name = "textwrap"
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version = "0.11.0"
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@ -2982,6 +3040,15 @@ version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
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[[package]]
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name = "which"
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version = "3.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d011071ae14a2f6671d0b74080ae0cd8ebf3a6f8c9589a2cd45f23126fe29724"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "winapi"
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version = "0.3.9"
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@ -3062,7 +3129,7 @@ version = "0.3.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "463705a63313cd4301184381c5e8042f0a7e9b4bb63653f216311d4ae74690b7"
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dependencies = [
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"nom",
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"nom 7.1.1",
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]
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[[package]]
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@ -3086,18 +3153,6 @@ version = "0.8.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
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[[package]]
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name = "yeslogic-fontconfig-sys"
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version = "3.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f2bbd69036d397ebbff671b1b8e4d918610c181c5a16073b96f984a38d08c386"
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dependencies = [
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"const-cstr",
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"dlib 0.5.0",
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"once_cell",
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"pkg-config",
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]
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[[package]]
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name = "zip"
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version = "0.5.13"
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image = "0.24"
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ggez = "0.7"
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freetype = { version = "0.7", optional = true }
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fontconfig = { version = "0.5", optional = true }
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[build-dependencies]
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bindgen = { version = "0.53", optional = true }
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[features]
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unicode_support = ["dep:freetype", "dep:fontconfig"]
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unicode_support = ["dep:freetype", "dep:bindgen"]
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26
build.rs
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26
build.rs
Normal file
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@ -0,0 +1,26 @@
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use std::env;
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use std::path::PathBuf;
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use bindgen;
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#[cfg(not(feature = "unicode_support"))]
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fn main() {
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}
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#[cfg(feature = "unicode_support")]
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fn main() {
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println!("cargo:rustc-link-search=/usr/lib");
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println!("cargo:rustc-link-lib=fontconfig");
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println!("cargo:rerun-if-changed=src/bindgen_wrapper.h");
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let bindings = bindgen::Builder::default()
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.header("src/bindgen_wrapper.h")
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.parse_callbacks(Box::new(bindgen::CargoCallbacks))
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.generate()
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.expect("Unable to generate bindings");
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("unicode_support_bindings.rs"))
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.expect("Couldn't write bindings");
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}
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1
src/bindgen_wrapper.h
Normal file
1
src/bindgen_wrapper.h
Normal file
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@ -0,0 +1 @@
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#include <fontconfig/fontconfig.h>
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@ -1 +1,9 @@
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use fontconfig;
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mod ffi {
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mod bindgen {
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#![allow(non_upper_case_globals)]
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#![allow(non_camel_case_types)]
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#![allow(non_snake_case)]
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include!(concat!(env!("OUT_DIR"), "/unicode_support_bindings.rs"));
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}
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}
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@ -1 +1,157 @@
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use freetype;
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use std::path::Path;
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mod ffi {
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use freetype::freetype::{
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FT_Done_Face, FT_Done_Library, FT_Face, FT_FaceRec_, FT_Get_Char_Index, FT_Init_FreeType,
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FT_Library, FT_ModuleRec_, FT_Open_Args, FT_Open_Face, FT_Parameter_, FT_StreamRec_,
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FT_OPEN_PATHNAME,
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};
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use std::ffi::CString;
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use std::path::Path;
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pub struct FTLibrary {
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library: FT_Library,
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}
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impl Drop for FTLibrary {
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fn drop(&mut self) {
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if !self.library.is_null() {
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unsafe {
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FT_Done_Library(self.library);
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}
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}
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}
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}
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impl FTLibrary {
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pub fn new() -> Option<FTLibrary> {
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unsafe {
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let mut library_ptr: FT_Library = 0 as FT_Library;
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if FT_Init_FreeType(&mut library_ptr) != 0 {
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Some(FTLibrary {
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library: library_ptr,
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})
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} else {
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None
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}
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}
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}
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pub fn get(&self) -> FT_Library {
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self.library
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}
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}
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pub struct FTOpenArgs {
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args: FT_Open_Args,
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pathname: Option<CString>,
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}
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impl FTOpenArgs {
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pub fn new_with_path(path: &Path) -> Self {
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unsafe {
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let cstring: CString = CString::from_vec_unchecked(
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path.as_os_str().to_str().unwrap().as_bytes().to_vec(),
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||||
);
|
||||
let mut args = FT_Open_Args {
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flags: FT_OPEN_PATHNAME,
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||||
memory_base: 0 as *const u8,
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||||
memory_size: 0,
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||||
pathname: cstring.as_ptr() as *mut i8,
|
||||
stream: 0 as *mut FT_StreamRec_,
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||||
driver: 0 as *mut FT_ModuleRec_,
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||||
num_params: 0,
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||||
params: 0 as *mut FT_Parameter_,
|
||||
};
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||||
|
||||
FTOpenArgs {
|
||||
args,
|
||||
pathname: Some(cstring),
|
||||
}
|
||||
}
|
||||
}
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||||
|
||||
pub fn get_args(&self) -> FT_Open_Args {
|
||||
self.args
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}
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||||
pub fn get_ptr(&mut self) -> *mut FT_Open_Args {
|
||||
&mut self.args as *mut FT_Open_Args
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||||
}
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||||
}
|
||||
|
||||
pub struct FTFaces {
|
||||
faces: Vec<FT_Face>,
|
||||
}
|
||||
|
||||
impl Drop for FTFaces {
|
||||
fn drop(&mut self) {
|
||||
for face in &self.faces {
|
||||
unsafe {
|
||||
FT_Done_Face(*face);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl FTFaces {
|
||||
pub fn new(library: &FTLibrary, args: &mut FTOpenArgs) -> Result<FTFaces, ()> {
|
||||
let mut faces = FTFaces { faces: Vec::new() };
|
||||
unsafe {
|
||||
let count;
|
||||
let mut face: FT_Face = 0 as FT_Face;
|
||||
// first get number of faces
|
||||
let mut result = FT_Open_Face(
|
||||
library.get(),
|
||||
args.get_ptr(),
|
||||
-1,
|
||||
&mut face as *mut *mut FT_FaceRec_,
|
||||
);
|
||||
if result != 0 {
|
||||
FT_Done_Face(face);
|
||||
return Err(());
|
||||
}
|
||||
count = (*face).num_faces;
|
||||
|
||||
for i in 0..count {
|
||||
result = FT_Open_Face(
|
||||
library.get(),
|
||||
args.get_ptr(),
|
||||
i,
|
||||
&mut face as *mut *mut FT_FaceRec_,
|
||||
);
|
||||
if result != 0 {
|
||||
FT_Done_Face(face);
|
||||
return Err(());
|
||||
}
|
||||
faces.faces.push(face);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(faces)
|
||||
}
|
||||
|
||||
pub fn has_char(&self, c: char) -> bool {
|
||||
let char_value: u64 = c as u64;
|
||||
|
||||
for face in &self.faces {
|
||||
unsafe {
|
||||
let result = FT_Get_Char_Index(*face, char_value);
|
||||
if result != 0 {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn font_has_char(c: char, font_path: &Path) -> Result<bool, ()> {
|
||||
let library = ffi::FTLibrary::new().ok_or(())?;
|
||||
let mut args = ffi::FTOpenArgs::new_with_path(font_path);
|
||||
let faces = ffi::FTFaces::new(&library, &mut args)?;
|
||||
|
||||
Ok(faces.has_char(c))
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue